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• bind event handler on keydown listen function JavaScript jQuery

  - by user1644123

  I am trying to bind a handler to an event. The event is a keydown function. The handler will listen for hit variables to produce one of two conditions. The 1st condition (odd number of hits) will perform 1 function, the 2nd (even number of hits) will perform another function. To elaborate, the 1st function will scroll to one element, the 2nd will scroll to another element. My syntax may be the wrong approach, but it works for the 1st condition, but not the 2nd. I think I have the conditional statement in the wrong place. How can I rewrite this to work as intended? Thank you kindly, in advance! $(document).keydown(function(e) { switch (e.which) { case 37: break; case 38: break; case 39: break; case 40: //bottom arrow key var hits = 0; if (hits % 2 !== 0) { $('#wrap').animate({ scrollTop: $("#scrollToHere").offset().top }, 2800); } else { $('#wrap').animate({ scrollTop: $("#scroll2ToHere").offset().top }, 2800); } hits++; return false; break; } })? *I moved "var hits = 0;" to the top, but it only works! But is there a way I can reset the whole thing after every two hits? I want to reset because when there is a bug and if I press a 3rd time it scrolls to the very top of the page, where there is no element to make it scroll to the top. Why would it scroll to the top of the page if I never scripted it to do so?? *

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• HOw to make image stay inside the div box on scrolling

  - by Mirage

  I have the image position fixed inside div and code is gven below #content{ margin-top:100px; width:900px; color:#009; border:1px solid red; overflow:hidden; display:block; } img { float:left; position:fixed; top:140px; padding:50px; } #text{ display:block; border:1px solid green; width:500px; height:1200px; float:right; overflow:scroll; } #footer{ clear:both; width:600px; height:300px; border:2x solid blue; color:#939; } HTML is <div id="content" > <img src="bar.jpg" width="46" height="639" /> <div id="text"> ggggggggggggggggggfgdfgdfgdgdfgdgdfgdf </div> </div> <div id="footer"> Footer text </div> </body> Now when i scroll down then image comes out of the content div box. IS there any way so that even if i scroll the image bar should stay inside the div box. The screen shot shows my problem First Screen is ok without scrolling But when i scroll the text full then it covers my footer as well

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• Been asked a dozen times, but no luck from what I've read. Prevent Anchor Jumping on page load

  - by jasenmp

  I'm currently working with WP theme that can be found here: sanjay.dmediastudios.com I'm currently using 'smooth scroll' on my page, I'm attempting to have the page smoothly scroll to the requested section when coming from an external link (for instance coming from the blog page takes you to sanjay.dmediastudios.com/#portfolio) from there I want the page to start at the top and THEN scroll to the portfolio section. What's happening is it briefly displays the 'portfolio section' (anchor jump) and THEN resets to the top and scrolls down. It's driving me nuts :(. Here is the code I'm using: Click function for smooth scroll: $(function() { $('.menu li a').click(function() { if (location.pathname.replace(/^\//, '') == this.pathname.replace(/^\//, '') && location.hostname == this.hostname) { var target = $(this.hash); target = target.length ? target : $('[name=' + this.hash.slice(1) + ']'); if (target.length) { $root.animate({ scrollTop: target.offset().top - 75 }, 800, 'swing'); return false; } } }); //end of click function }); The page load function: $(window).on("load", function() { if (location.hash) { // do the test straight away window.scrollTo(0, 0); // execute it straight away setTimeout(function() { window.scrollTo(0, 0); // run it a bit later also for browser compatibility }, 1); } var urlHash = window.location.href.split("#")[1]; if (urlHash && $('#' + urlHash).length) $('html,body').animate({ scrollTop: $('#' + urlHash).offset().top - 75 }, 800, 'swing'); }); Any help would be MUCH appreciated.

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• Same function on multiple div classes doesn't work

  - by Sebass van Boxel

  I'm doing something terribly wrong and just can't find the solution for it. Situation: I've got a number of products with a number of quotes per product. Those quote automatically scroll in a div. If the scroll reaches the last quote is scroll back to the first one. What works: The function basically works when it's applied on 1 div, but when applied on multiple div it doesn't scroll back to the first one or keeps scrolling endlessly. This is the function i've written for this: function quoteSlide(divname){ $total = ($(divname+" > div").size()) $width = $total * 160; $(divname).css('width', ($width)); console.log ($totalleft *-1); if ($width - 160 > $totalleft *-1){ $currentleft = $(divname).css('left'); $step = -160; $totalleft = parseInt($currentleft)+$step; }else{ $totalleft = 0; } $(divname).animate(     { left: $totalleft }, // what we are animating     'slow', // how fast we are animating     'swing', // the type of easing     function() { // the callback }); } It's being executed by something like: quoteSlide('#quotecontainer_1'); in combination with a setInterval so it keeps scrolling automatically. This is the jsFiddle where it goes wrong (So applied on more than 1 div) http://jsfiddle.net/FsrbZ/. This is the jsFiddle where everything goes okay. (applied on 1 div) When changing the following: quoteSlide('#quotecontainer_1'); quoteSlide('#quotecontainer_2'); setInterval(function() { quoteSlide('#quotecontainer_1'); quoteSlide('#quotecontainer_2'); }, 3400);? to quoteSlide('#quotecontainer_1'); setInterval(function() { quoteSlide('#quotecontainer_1'); }, 3400);? it does work... but only on 1 quotecontainer.

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• mcsCustomscrollbar append new content not working

  - by Dariel Pratama

  i have this script in my website. $(document).ready(function(){ var comment = $('textarea[name=comment_text]').val(); var vid = $('input[name=video_id]').val(); $('#add_comment').on('click', function(){ $.post('<?php echo site_url('comment/addcomments'); ?>', $('#comment-form').serialize(), function(data){ data = JSON.parse(data); if(data.userdata){ var date = new Date(data.userdata.comment_create_time * 1000); var picture = data.userdata.user_image.length > 0 ? 'fileupload/'+data.userdata.user_image:'images/no_pic.gif'; var newComment = '<div class="row">\ <div class="col-md-4">\ <img src="<?php echo base_url(); ?>'+picture+'" class="profile-pic margin-top-15" />\ </div>\ <div class="col-md-8 no-pade">\ <p id="comment-user" class="margin-top-15">'+data.userdata.user_firstname+' '+data.userdata.user_lastname+'</p>\ <p id="comment-time">'+date.getTime()+'</p>\ </div>\ <div class="clearfix"></div>\ <div class="col-md-12 margin-top-15" id="comment-text">'+data.userdata.comment_text +'</div>\ <div class="col-md-12">\ <div class="hr-grey margin-top-15"></div>\ </div>\ </div>'; $('#comment-scroll').append($(newComment)); $('#comment').modal('hide'); } }); }); }); what i expect when a comment added to the DB and the PHP page give JSON response, the new comment will be added to the last line of $('#comment-scroll'). #comment-scroll is also have custom scroll bar by mcsCustomscrollbar. the above script also hiding the modal dialog when comment saved and it's working fine which is mean data.userdata is not empty, but why the append() isnt?

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• Small adventure game

  - by Nick Rosencrantz

  I'm making a small adventure game where the player can walk through Dungeons and meet scary characters: The whole thing is 20 java classes and I'm making this a standalone frame while it could very well be an applet I don't want to make another applet since I might want to recode this in C/C++ if the game or game engine turns out a success. The engine is the most interesting part of the game, it controls players and computer-controlled characters such as Zombies, Reptile Warriors, Trolls, Necromancers, and other Persons. These persons can sleep or walk around in the game and also pick up and move things. I didn't add many things so I suppose that is the next thing to do is to add things that can get used now that I already added many different types of walking persons. What do you think I should add and do with things in the game? The things I have so far is: package adventure; /** * The data type for things. Subclasses will be create that takes part of the story */ public class Thing { /** * The name of the Thing. */ public String name; /** * @param name The name of the Thing. */ Thing( String name ) { this.name = name; } } public class Scroll extends Thing { Scroll (String name) { super(name); } } class Key extends Thing { Key (String name) { super(name); } } The key is the way to win the game if you figure our that you should give it to a certain person and the scroll can protect you from necromancers and trolls. If I make this game more Dungeons and Dragons-inspired, do you think will be any good? Any other ideas that you think I could use here? The Threadwhich steps time forward and wakes up persons is called simulation. Do you think I could do something more advanced with this class? package adventure; class Simulation extends Thread { private PriorityQueue Eventqueue; Simulation() { Eventqueue = new PriorityQueue(); start(); } public void wakeMeAfter(Wakeable SleepingObject, double time) { Eventqueue.enqueue(SleepingObject, System.currentTimeMillis()+time); } public void run() { while(true) { try { sleep(5); //Sov i en halv sekund if (Eventqueue.getFirstTime() <= System.currentTimeMillis()) { ((Wakeable)Eventqueue.getFirst()).wakeup(); Eventqueue.dequeue(); } } catch (InterruptedException e ) { } } } } And here is the class that makes up the actual world: package adventure; import java.awt.*; import java.net.URL; /** * Subklass to World that builds up the Dungeon World. */ public class DungeonWorld extends World { /** * * @param a Reference to adventure game. * */ public DungeonWorld(Adventure a) { super ( a ); // Create all places createPlace( "Himlen" ); createPlace( "Stairs3" ); createPlace( "IPLab" ); createPlace( "Dungeon3" ); createPlace( "Stairs5" ); createPlace( "C2M2" ); createPlace( "SANS" ); createPlace( "Macsal" ); createPlace( "Stairs4" ); createPlace( "Dungeon2" ); createPlace( "Datorsalen" ); createPlace( "Dungeon");//, "Ljushallen.gif" ); createPlace( "Cola-automaten", "ColaAutomat.gif" ); createPlace( "Stairs2" ); createPlace( "Fable1" ); createPlace( "Dungeon1" ); createPlace( "Kulverten" ); // Create all connections between places connect( "Stairs3", "Stairs5", "Down", "Up" ); connect( "Dungeon3", "SANS", "Down", "Up" ); connect( "Dungeon3", "IPLab", "West", "East" ); connect( "IPLab", "Stairs3", "West", "East" ); connect( "Stairs5", "Stairs4", "Down", "Up" ); connect( "Macsal", "Stairs5", "South", "Norr" ); connect( "C2M2", "Stairs5", "West", "East" ); connect( "SANS", "C2M2", "West", "East" ); connect( "Stairs4", "Dungeon", "Down", "Up" ); connect( "Datorsalen", "Stairs4", "South", "Noth" ); connect( "Dungeon2", "Stairs4", "West", "East" ); connect( "Dungeon", "Stairs2", "Down", "Up" ); connect( "Dungeon", "Cola-automaten", "South", "North" ); connect( "Stairs2", "Kulverten", "Down", "Up" ); connect( "Stairs2", "Fable1", "East", "West" ); connect( "Fable1", "Dungeon1", "South", "North" ); // Add things // --- Add new things here --- getPlace("Cola-automaten").addThing(new CocaCola("Ljummen cola")); getPlace("Cola-automaten").addThing(new CocaCola("Avslagen Cola")); getPlace("Cola-automaten").addThing(new CocaCola("Iskall Cola")); getPlace("Cola-automaten").addThing(new CocaCola("Cola Light")); getPlace("Cola-automaten").addThing(new CocaCola("Cuba Cola")); getPlace("Stairs4").addThing(new Scroll("Scroll")); getPlace("Dungeon3").addThing(new Key("Key")); Simulation sim = new Simulation(); // Load images to be used as appearance-parameter for persons Image studAppearance = owner.loadPicture( "Person.gif" ); Image asseAppearance = owner.loadPicture( "Asse.gif" ); Image trollAppearance = owner.loadPicture( "Loke.gif" ); Image necromancerAppearance = owner.loadPicture( "Necromancer.gif" ); Image skeletonAppearance = owner.loadPicture( "Reptilewarrior.gif" ); Image reptileAppearance = owner.loadPicture( "Skeleton.gif" ); Image zombieAppearance = owner.loadPicture( "Zombie.gif" ); // --- Add new persons here --- new WalkingPerson(sim, this, "Peter", studAppearance); new WalkingPerson(sim, this, "Zombie", zombieAppearance ); new WalkingPerson(sim, this, "Zombie", zombieAppearance ); new WalkingPerson(sim, this, "Skeleton", skeletonAppearance ); new WalkingPerson(sim, this, "John", studAppearance ); new WalkingPerson(sim, this, "Skeleton", skeletonAppearance ); new WalkingPerson(sim, this, "Skeleton", skeletonAppearance ); new WalkingPerson(sim, this, "Skeleton", skeletonAppearance ); new WalkingPerson(sim, this, "Sean", studAppearance ); new WalkingPerson(sim, this, "Reptile", reptileAppearance ); new LabAssistant(sim, this, "Kate", asseAppearance); new LabAssistant(sim, this, "Jenna", asseAppearance); new Troll(sim, this, "Troll", trollAppearance); new Necromancer(sim, this, "Necromancer", necromancerAppearance); } /** * * The place where persons are placed by default * *@return The default place. * */ public Place defaultPlace() { return getPlace( "Datorsalen" ); } private void connect( String p1, String p2, String door1, String door2) { Place place1 = getPlace( p1 ); Place place2 = getPlace( p2 ); place1.addExit( door1, place2 ); place2.addExit( door2, place1 ); } } Thanks

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• How to Control Screen Layouts in LightSwitch

  - by ChrisD

  Visual Studio LightSwitch has a bunch of screen templates that you can use to quickly generate screens. They give you good starting points that you can customize further. When you add a new screen to your project you see a set of screen templates that you can choose from. These templates lay out all the related data you choose to put on a screen automatically for you. And don’t under estimate them; they do a great job of laying out controls in a smart way. For instance, a tab control will be used when you select more than one related set of data to display on a screen. However, you’re not limited to taking the layout as is. In fact, the screen designer is pretty flexible and allows you to create stacks of controls in a variety of configurations. You just need to visualize your screen as a series of containers that you can lay out in rows and columns. You then place controls or stacks of controls into these areas to align the screen exactly how you want. If you’re new in Visual Studio LightSwitch, you can see this tutorial. OK, Let’s start with a simple example. I have already designed my data entities for a simple order tracking system similar to the Northwind database. I also have added a Search Data  Screen to search my Products already. Now I will add a new Details Screen for my Products and make it the default screen via the “Add New Screen” dialog: The screen designer picks a simple layout for me based on the single entity I chose, in this case Product. Hit F5 to run the application, select a Product on the search screen to open the Product Details Screen. Notice that it’s pretty simple because my entity is simple. Click the “Customize” button in the top right of the screen so we can start tweaking it. The left side of the screen shows the containership of controls and data bindings (called the content tree) and the right side shows the live preview with data. Notice that we have a simple layout of two rows but only one row is populated (with a vertical stack of controls in this case). The bottom row is empty. You can envision the screen like this: Each container will display a group of data that you select. For instance in the above screen, the top row is set to a vertical stack control and the group of data to display is coming from Product. So when laying out screens you need to think in terms of containers of controls bound to groups of data. To change the data to which a container is bound, select the data item next to the container: You can select the “New Group” item in order to create more containers (or controls) within the current container. For instance to totally control the layout, select the Product in the top row and hit the delete key. This will delete the vertical stack and therefore all the controls on the screen. The content tree will still have two rows, but the rows are now both empty. If you want a layout of four containers (two rows and two columns) then select “New Group” for the data item and then change the vertical stack control to “Two Columns” for both of the rows as shown here: You can keep going on and on by selecting new groups and choosing between rows or columns. Here’s a layout with 8 containers, 4 rows and 2 columns: And here is a layout with 7 content areas; one row across the top of the screen and three rows with two columns below that: When you select Choose Content and select a data item like Product it will populate all the controls within the container (row or column in a vertical stack) however you have complete control on what to display within each group. You can delete fields you don’t want to display and/or change their controls. You can also change the size of controls and how they display by changing the settings in the properties window. If you are in the Screen Designer (and not the customization mode like we are here) you can also drag-drop data items from the left-hand side of the screen to the content tree. Note, however, that not all areas of the tree will allow you to drop a data item if there is a binding already set to a different set of data. For instance you can’t drop a Customer ID into the same group as a Product if they originate from different entities. To get around this, all you need to do is create a new group and content area as shown above. Let’s take a more complex example that deals with more than just product. I want to design a complex screen that displays Products and their Category, as well as all the OrderDetails for which that product is selected. This time I will create a new screen and select List and Details, select the Products screen data, and include the related OrderDetails. However I’m going to totally change the layout so that a Product grid is at the top left and below that is the selected Product detail. Below that will be the Category text fields and image in two columns below. On the right side I want the OrderDetails grid to take up the whole right side of the screen. All this can be done in customization mode while you’re debugging the application. To do this, I first deleted all the content items in the tree and then re-created the content tree as shown in the image below. I also set the image to be larger and the description textbox to be 5 rows using the property window below the live preview. I added the green lines to indicate the containers and show how it maps to the content tree (click to enlarge): I hope this demystifies the screen designer a little bit. Remember that screen templates are excellent starting points – you can take them as-is or customize them further. It takes a little fooling around with customizing screens to get them to do exactly what you want but there are a ton of possibilities once you get the hang of it. Stay tuned for more information on how to create your own screen templates that show up in the “Add New Screen” dialog. Enjoy! The tutorial that might be interested: Adding Custom Control In LightSwitch

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• How to set a imageButton is an RSS

  - by L?c Song

  I have a feed_layout.xml <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <LinearLayout android:baselineAligned="false" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_marginTop="10dp" android:orientation="horizontal" > <LinearLayout android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:orientation="vertical" > <ImageButton android:layout_width="138dp" android:layout_height="138dp" android:layout_gravity="center" android:onClick="homeImageButton" android:scaleType="fitStart" android:src="@drawable/home" android:tag="1" /> </LinearLayout> <LinearLayout android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:orientation="vertical" > <ImageButton android:layout_width="138dp" android:layout_height="138dp" android:layout_gravity="center" android:scaleType="centerCrop" android:onClick="thegioiImageButton" android:src="@drawable/home" android:tag="2" /> </LinearLayout> </LinearLayout> <LinearLayout android:baselineAligned="false" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_marginTop="10dp" android:orientation="horizontal" > <LinearLayout android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:orientation="vertical" > <ImageButton android:layout_width="138dp" android:layout_height="138dp" android:layout_gravity="center" android:scaleType="centerCrop" android:onClick="giaitriImageButton" android:src="@drawable/home" android:tag="3" /> </LinearLayout> <LinearLayout android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:orientation="vertical" > <ImageButton android:layout_width="138dp" android:layout_height="138dp" android:layout_gravity="center" android:scaleType="centerCrop" android:onClick="thethaoImageButton" android:src="@drawable/home" android:tag="4" /> </LinearLayout> </LinearLayout> <LinearLayout android:baselineAligned="false" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_marginTop="10dp" android:orientation="horizontal" > <LinearLayout android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:orientation="vertical" > <ImageButton android:layout_width="138dp" android:layout_height="138dp" android:layout_gravity="center" android:scaleType="centerCrop" android:onClick="khoahocImageButton" android:src="@drawable/home" android:tag="5" /> </LinearLayout> <LinearLayout android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:orientation="vertical" > <ImageButton android:layout_width="138dp" android:layout_height="138dp" android:layout_gravity="center" android:scaleType="centerCrop" android:onClick="xeImageButton" android:src="@drawable/home" android:tag="6" /> </LinearLayout> </LinearLayout> </LinearLayout> and feedActivity.java package com.dqh.vnexpressrssreader; import android.R.string; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.util.Log; import android.view.View; import android.widget.ImageButton; import android.widget.Toast; public class FeedActivity extends Activity { public String tagImg; private static final String TAG = "FeedActivity"; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.feed_layout); } public void homeImageButton(View v) { ImageButton imageButtonClicked = (ImageButton)v; tagImg = imageButtonClicked.getTag().toString(); setTagImg(tagImg); String tt = getTagImg(); Log.d(TAG, "FeedId: " + tt); Intent intent = new Intent(getApplicationContext(), ItemsActivity.class); startActivityForResult(intent, 0); } public void thegioiImageButton(View v) { ImageButton imageButtonClicked = (ImageButton)v; tagImg = imageButtonClicked.getTag().toString(); //Log.d(TAG, "FeedId: " + imageButtonClicked.getTag()); Log.d(TAG, "FeedId: " + tagImg); Intent intent = new Intent(getApplicationContext(), ItemsActivity.class); startActivityForResult(intent, 0); } } and RssReader.java /** * */ package com.dqh.vnexpressrssreader.reader; import java.util.ArrayList; import java.util.List; import org.json.JSONException; import org.json.JSONObject; import com.dqh.vnexpressrssreader.FeedActivity; import com.dqh.vnexpressrssreader.NewsRssReaderDB; import com.dqh.vnexpressrssreader.util.RSSHandler; import com.dqh.vnexpressrssreader.util.Tintuc; import android.content.Context; import android.text.Html; import android.util.Log; /** * @author rob * */ public class RssReader { private final static String TAG = "RssReader"; private final static String BOLD_OPEN = "<B>"; private final static String BOLD_CLOSE = "</B>"; private final static String BREAK = "<BR>"; private final static String ITALIC_OPEN = "<I>"; private final static String ITALIC_CLOSE = "</I>"; private final static String SMALL_OPEN = "<SMALL>"; private final static String SMALL_CLOSE = "</SMALL>"; /** * This method defines a feed URL and then calles our SAX Handler to read the tintuc list * from the stream * * @return List<JSONObject> - suitable for the List View activity */ public static List<JSONObject> getLatestRssFeed(Context context) { NewsRssReaderDB newsRssReaderDB = new NewsRssReaderDB(context); List<Tintuc> tintucsFromDB = newsRssReaderDB.getLists(); return fillData(tintucsFromDB); } public static void getLatestRssFeed(Context context, String feed) { NewsRssReaderDB newsRssReaderDB = new NewsRssReaderDB(context); feed = "http://vnexpress.net/rss/the-gioi.rss"; //RSS 2 feed = "http://vnexpress.net/rss/the-thao.rss"; //RSS 3 feed = "http://vnexpress.net/rss/home.rss"; RSSHandler rh = new RSSHandler(); List<Tintuc> tintucs = rh.getLatestTintucs(feed); if ((tintucs != null) && (tintucs.size() > 0)) { for (Tintuc tintuc : tintucs) { if ((tintuc.getUrl() != null) && !newsRssReaderDB.checkUrlExist(tintuc.getUrl().toString())) { long tintucId = newsRssReaderDB.insertTintuc(tintuc); if (tintucId > 0) { Log.d(TAG, "saved tintucId: " + tintucId); } else { Log.e(TAG, "saved tintucId fail"); } } else { Log.e(TAG, "tintucs exist!"); } } } } /** * This method takes a list of Tintuc objects and converts them in to the * correct JSON format so the info can be processed by our list view * * @param tintucs - list<Tintuc> * @return List<JSONObject> - suitable for the List View activity */ private static List<JSONObject> fillData(List<Tintuc> tintucs) { List<JSONObject> items = new ArrayList<JSONObject>(); for (Tintuc tintuc : tintucs) { JSONObject current = new JSONObject(); try { buildJsonObject(tintuc, current); } catch (JSONException e) { Log.e("RSS ERROR", "Error creating JSON Object from RSS feed"); } items.add(current); } return items; } /** * This method takes a single Tintuc Object and converts it in to a single JSON object * including some additional HTML formating so they can be displayed nicely * * @param tintuc * @param current * @throws JSONException */ private static void buildJsonObject(Tintuc tintuc, JSONObject current) throws JSONException { String title = tintuc.getTieude(); String description = tintuc.getMota(); ///////////////////////// //////// 2 ///////////// String date = tintuc.getPubDate(); String imgLink = tintuc.getImgLink(); StringBuffer sb = new StringBuffer(); sb.append(BOLD_OPEN).append(title).append(BOLD_CLOSE); sb.append(BREAK); sb.append(description); sb.append(BREAK); sb.append(SMALL_OPEN).append(ITALIC_OPEN).append(date).append(ITALIC_CLOSE).append(SMALL_CLOSE); current.put("text", Html.fromHtml(sb.toString())); current.put("imageLink", imgLink); current.put("url", tintuc.getUrl().toString()); current.put("title", tintuc.getTieude()); } } I have 1 array RSS and I want each ImageButton is assigned a Rss??. I have attempt to call to FeedActivity from RSSReader but not be help me !

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• SharePoint 2010 Center and Fixed Width of all content on page including the ribbon

  - by Bill Daugherty

  All, I am trying to make the width of the sharepoint 2010 web site to be within a fixed width and centered across the screen. I would like for it to be 800px and centered. When i do this, it seems like it starts to work until the ribbion bar renters. Here is my attempt so far: body.v4/* _lcid="1033" _version="14.0.4536" _LocalBinding */ body,form{ margin:0px; width:800px; text-align:center; vertical-align:middle; } .ms-toolbar{ font-family:verdana; font-size:8pt; text-decoration:none; /* [ReplaceColor(themeColor:"Hyperlink")] */ color:#0072BC; } a.ms-toolbar:hover{ text-decoration:underline; /* [ReplaceColor(themeColor:"Accent1",themeShade:"0.8")] */ color:#005e9a; } .ms-toolbar-togglebutton-on{ /* [ReplaceColor(themeColor:"Accent3-Darker")] */ border:1px solid #2353b2; /* [ReplaceColor(themeColor:"Accent4-Lightest")] */ background-color:#fffacc; } table.ms-toolbar{ height:45px; border:none; /* [RecolorImage(themeColor:"Light2",includeRectangle:{x:0,y:610,width:1,height:42})] */ background:url("/_layouts/images/bgximg.png") repeat-x -0px -610px; /* [ReplaceColor(themeColor:"Light1")] */ background-color:#fff; } table.ms-toolbar{ /* [ReplaceColor(themeColor:"Light2-Lightest")] */ border:1px solid #f1f1f2; } .ms-menutoolbar{ /* [ReplaceColor(themeColor:"Light2-Lightest")] */ border-bottom:1px solid #f1f1f2; /* [ReplaceColor(themeColor:"Light1")] */ background-color:#fff; /* [RecolorImage(themeColor:"Light2",includeRectangle:{x:0,y:610,width:1,height:42})] */ background:url("/_layouts/images/bgximg.png") repeat-x -0px -610px; height:45px; } .ms-menutoolbar td{ padding:0px 0px 0px 4px; margin:0px; border:none; } .ms-menutoolbar td a{ /* [ReplaceColor(themeColor:"Hyperlink")] */ color:#0072bc; font-size:8pt; font-family:verdana; text-decoration:none; } .ms-menutoolbar td a:hover{ /* [ReplaceColor(themeColor:"Hyperlink",themeShade:"0.82")] */ color:#005e9a; text-decoration:none; } .ms-menubuttoninactivehover,.ms-buttoninactivehover{ margin:3px; padding:3px 4px 4px 4px; border:1px solid transparent; background-color:transparent; white-space:nowrap; } .ms-menubuttonactivehover,.ms-buttonactivehover{ margin:3px; padding:3px 4px 4px 4px; /* [RecolorImage(themeColor:"Light1-Darkest",includeRectangle:{x:0,y:431,width:1,height:21})] */ background:url("/_layouts/images/bgximg.png") repeat-x -0px -431px; /* [ReplaceColor(themeColor:"Light1")] */ background-color:#fff; /* [ReplaceColor(themeColor:"Light1-Lighter")] */ border:solid 1px #cccccc; cursor:pointer; } .ms-buttoninactivehover{ white-space:nowrap; } .ms-buttoninactivehover img,.ms-buttonactivehover img{ margin:0px 1px 0px 0px; } td.ms-menutoolbarheader{ font-size:10pt; font-family:verdana; /* [ReplaceColor(themeColor:"Accent3-Medium")] */ color:#204d89; font-weight:bold; line-height:16px; padding-left:7px; padding-right:7px; } .ms-listheaderlabel{ /* [ReplaceColor(themeColor:"Dark2")] */ color:#204d89; } .ms-listheaderlabel,.ms-viewselector,.ms-viewselectortext,.ms-viewselectorhover{ font-size:8pt; font-family:tahoma; } .ms-menutoolbar td td.ms-viewselector,.ms-menutoolbar td td.ms-viewselectorhover,.ms-toolbar td td.ms-viewselector,.ms-toolbar td td.ms-viewselectorhover,td.ms-viewselector{ /* [ReplaceColor(themeColor:"Light1")] */ background-color:#ffffff; /* [ReplaceColor(themeColor:"Dark2-Medium")] */ border:1px solid #D3D6DA; font-weight:bold; padding:0px; } .ms-menutoolbar td td{ border:none; } div.ms-viewselector,div.ms-viewselectorhover{ padding:2px 4px 2px 4px; cursor:pointer; } div.ms-viewselector a,div.ms-viewselectorhover a.ms-menu-a span{ /* [ReplaceColor(themeColor:"Dark1")] */ color:#000000; } .ms-viewselector-arrow{ vertical-align:middle; } .ms-menutoolbar td td.ms-viewselectorhover,.ms-toolbar td td.ms-viewselectorhover{ /* [RecolorImage(themeColor:"Accent1",method:"Tinting",includeRectangle:{x:0,y:654,width:1,height:18})] */ background:url("/_layouts/images/bgximg.png") repeat-x -0px -654px; /* [ReplaceColor(themeColor:"Accent1-Lighter")] */ border-color:#91cdf2; /* [ReplaceColor(themeColor:"Accent1",themeTint:"0.35")] */ background-color:#ccebff; } .ms-bottompaging{ /* [ReplaceColor(themeColor:"Accent3-Lightest")] */ background:#ebf3ff; } .ms-bottompagingline1{ height:3px; /* [ReplaceColor(themeColor:"Light1")] */ background-color:#ffffff; } .ms-bottompagingline2,.ms-bottompagingline3{ height:1px; /* [ReplaceColor(themeColor:"Light1")] */ background-color:#ffffff; } .ms-bottompaging .ms-vb{ /* [ReplaceColor(themeColor:"Light1")] */ background-color:#ffffff; } .ms-bottompagingline2 img,.ms-bottompagingline3 img,.ms-partline img{ display:none; } .ms-paging{ padding-left:11px; padding-right:11px; padding-bottom:4px; font-family:tahoma,sans-serif; font-size:8pt; font-weight:normal; /* [ReplaceColor(themeColor:"Accent3-Darker")] */ color:#204d89; } .ms-bottompaging .ms-paging{ /* [ReplaceColor(themeColor:"Dark1-Medium")] */ color:#4c4c4c; } .ms-menutoolbar .ms-splitbuttondropdown{ padding:3px 2px 0px 2px; } .ms-menutoolbar .ms-splitbuttontext{ padding:0px 7px 1px 7px; } .ms-splitbutton{ margin:0px 2px; } .ms-splitbuttonhover{ margin:0px 2px; /* [RecolorImage(themeColor:"Accent6-Darker",method:"Tinting",includeRectangle:{x:0,y:431,width:1,height:21})] */ background:url("/_layouts/images/bgximg.png") repeat-x -0px -431px; border-collapse:collapse; height:22px; background-color:#fff; } .ms-splitbuttonhover .ms-splitbuttondropdown{ padding:3px 1px 0px 2px; } .ms-splitbuttonhover .ms-splitbuttontext{ padding:0px 6px 0px 6px; } .ms-splitbuttonhover .ms-splitbuttondropdown,.ms-splitbuttonhover .ms-splitbuttontext{ border:solid 1px #cccccc; cursor:pointer; } .ms-propertysheet { font-size:1em; } .ms-propertysheet th.ms-gridT1 { text-align:left; /* [ReplaceColor(themeColor:"Dark1")] */ color:#000000; width:190px; } .ms-viewselect a:link{ font-size:8pt; font-family:Verdana,sans-serif; /* [ReplaceColor(themeColor:"Accent3")] */ color:#003399; } select{ font-size:8pt; font-family:Verdana,sans-serif; } hr{ /* [ReplaceColor(themeColor:"Accent3")] */ color:#003399; height:2px; } .ms-input{ font-size:8pt; font-family:Verdana,sans-serif; } .ms-treeviewouter{ margin-top:5px; } .ms-quicklaunch table td{ /* [ReplaceColor(themeColor:"Accent3-Lighter")] */ border-top:1px solid #add1ff; } .ms-quicklaunch .ms-treeviewouter table td{ border-top:none; } .ms-quicklaunch table.ms-navheader td,.ms-quicklaunch span.ms-navheader{ padding:1px 4px 4px 4px; } div.ms-treeviewouter > div > div{ border:none; } .ms-quicklaunch span.ms-navheader{ /* [ReplaceColor(themeColor:"Accent3-Lightest")] */ background-color:#d6e8ff; /* [ReplaceColor(themeColor:"Accent3-Lighter")] */ border-top:1px solid #add1ff; /* [ReplaceColor(themeColor:"Accent3-Lightest")] */ border-left:solid 1px #f2f8ff; /* [ReplaceColor(themeColor:"Accent3-Lighter")] */ border-bottom:1px solid #add1ff; padding:1px 6px 3px 6px; } .ms-quicklaunch table.ms-navsubmenu2 td{ border:none; } .ms-quicklaunch table.ms-selectednavheader td{ width:100%; /* [ReplaceColor(themeColor:"Accent6-Lightest")] */ background-color:#fff699; } .ms-quicklaunch table.ms-selectednavheader{ border:none; } .ms-quicklaunch span{ display:block; } .ms-quicklaunch div.ms-navsubmenu1 br{ display:none; } .ms-quicklaunch table.ms-selectednav{ /* [ReplaceColor(themeColor:"Accent6-Darker")] */ border:solid 1px #d2b47a; /* [RecolorImage(themeColor:"Accent1",method:"Tinting")] */ background-image:url("/_layouts/images/selectednav.gif"); background-repeat:repeat-x; /* [ReplaceColor(themeColor:"Accent6-Lightest")] */ background-color:#ffe6a0; margin:2px; margin-bottom:0; width:97%; } .ms-quicklaunch table.ms-selectednav td{ background:transparent url("/_layouts/images/selectednavbullet.gif"); background-repeat:no-repeat; background-position:left top; /* [ReplaceColor(themeColor:"Light1")] */ border:solid 1px #ffffff; padding:0px 4px 1px 12px; margin:0px; } table.ms-selectednav td a.ms-selectednav{ background:none; /* [ReplaceColor(themeColor:"Dark1")] */ color:#000000; } .ms-quicklaunch table.ms-selectednavheader td{ width:100%; /* [ReplaceColor(themeColor:"Accent6-Lighter")] */ background-color:#ffe6a0; /* [RecolorImage(themeColor:"Accent1",method:"Tinting")] */ background-image:url("/_layouts/images/selectednav.gif"); background-repeat:repeat-x; padding-top:2px; padding-bottom:2px; /* [ReplaceColor(themeColor:"Light1")] */ border-top:solid 1px #ffffff; /* [ReplaceColor(themeColor:"Light1")] */ border-left:solid 1px #ffffff; padding:1px 6px 3px 6px; } .ms-selectednavheader a{ font-weight:bold; /* [ReplaceColor(themeColor:"Dark1")] */ color:#000000; text-decoration:none; } .ms-selectednavheader a:hover{ /* [ReplaceColor(themeColor:"Dark1")] */ color:#000000; text-decoration:underline; } table.ms-navitem td,span.ms-navitem{ background-image:url("/_layouts/images/navBullet.gif"); background-repeat:no-repeat; background-position:left top; padding:3px 6px 4px 16px; font-family:tahoma; } .ms-navsubmenu1{ width:100%; border-collapse:collapse; /* [ReplaceColor(themeColor:"Light1-Lightest")] */ background-color:#f2f8ff; } .ms-navsubmenu2{ width:100%; /* [ReplaceColor(themeColor:"Light1-Lightest")] */ background-color:#f2f8ff; margin-bottom:6px; } table.ms-navselected{ padding:2px; } table.ms-navselected,span.ms-navselected{ /* [RecolorImage(themeColor:"Accent6",method:"Tinting")] */ background-image:url("/_layouts/images/SELECTEDNAV.GIF"); /* [ReplaceColor(themeColor:"Accent6-Lighter")] */ background-color:#ffe6a0; background-repeat:repeat-x; } table.ms-navselected td{ background-image:url("/_layouts/images/navBullet.gif"); background-repeat:no-repeat; background-position:top left; padding:3px 6px 4px 17px; } table.ms-navheader td{ background-image:none; } .ms-navheader a{ font-weight:bold; /* [ReplaceColor(themeColor:"Accent3")] */ color:#003399; text-decoration:none; } .ms-navheader a:hover{ /* [ReplaceColor(themeColor:"Dark1")] */ color:#000000; text-decoration:underline; } .ms-navitem a{ /* [ReplaceColor(themeColor:"Dark2")] */ color:#3b4f65 !important; text-decoration:none; display:inline-block; } .ms-navitem a:hover{ /* [ReplaceColor(themeColor:"Accent1")] */ color:#44aff6 !important; text-decoration:underline !important; } .ms-quicklaunchouter{ border:none; margin-bottom:5px; } .ms-quicklaunchouter{ margin:0px 1px 2px 1px; } .ms-treeviewouter a.ms-navitem{ padding:4px 4px 5px; margin-left:4px; border-color:transparent; border-width:1px; border-style:solid !important; } .ms-tvselected a.ms-navitem{ /* [RecolorImage(themeColor:"Light1")] */ background:url("/_layouts/images/selbg.png") repeat-x left top; /* [ReplaceColor(themeColor:"Accent1",themeTint:"0.15")] */ background-color:#ccebff; /* [ReplaceColor(themeColor:"Accent1-Lighter")] */ border-color:#91cdf2; /* [ReplaceColor(themeColor:"Accent1-Lightest")] */ border-top-color:#c6e5f8; border-width:1px; border-style:solid !important; /* [ReplaceColor(themeColor:"Dark2")] */ color:#003759 !important; display:inline-block; } .ms-tvselected a:hover{ /* [ReplaceColor(themeColor:"Dark2")] */ color:#003759 !important; } table.ms-recyclebin td{ /* [ReplaceColor(themeColor:"Light1-Lightest")] */ background-color:#f2f8ff; width:100%; /* [ReplaceColor(themeColor:"Light1")] */ border-top:solid 1px #ffffff; /* [ReplaceColor(themeColor:"Light1")] */ border-left:solid 1px #ffffff; padding:3px 5px 7px 3px; } table.ms-recyclebin td a{ font-weight:bold; /* [ReplaceColor(themeColor:"Accent5-Darker")] */ color:#008800; text-decoration:none; } table.ms-recyclebin td a:hover{ /* [ReplaceColor(themeColor:"Dark1")] */ color:#000000; text-decoration:underline; } .ms-quickLaunch{ padding-top:5px; } .ms-quickLaunch h3{ font-size:1em; font-weight:normal; /* [ReplaceColor(themeColor:"Dark2")] */ color:#929fad; margin:0px 0px 6px 10px; } .ms-quicklaunchheader{ padding:2px 6px 4px 10px; font-weight:bold; /* [ReplaceColor(themeColor:"Light1-Lighter")] */ color:#676767; background-image:url("/_layouts/images/quickLaunchHeader.gif"); background-repeat:repeat-x; /* [ReplaceColor(themeColor:"Accent3-Lightest")] */ background-color:#d6e8ff; /* [ReplaceColor(themeColor:"Light1-Lightest")] */ border-left:solid 1px #f2f8ff; margin-left:-7px; font-size:inherit; } .ms-quicklaunchheader a,.ms-unselectednav a{ /* [ReplaceColor(themeColor:"Dark1-Lighter")] */ color:#676767 !important; text-decoration:none; } .ms-quicklaunchheader a:hover{ /* [ReplaceColor(themeColor:"Dark1")] */ color:#000000 !important; text-decoration:underline; } .ms-navline{ /* [ReplaceColor(themeColor:"Light1-Darker")] */ border-bottom:1px solid #adadad; } .ms-navwatermark{ /* [ReplaceColor(themeColor:"Accent6-Lighter")] */ color:#ffdf88; } .ms-selectednav{ border:1px solid #2353b2; /* [ReplaceColor(themeColor:"Accent6-Lightest")] */ background:#fff699; padding-top:1px; padding-bottom:2px; } .ms-unselectednav{ /* [ReplaceColor(themeColor:"Accent3-Medium")] */ border:1px solid #83b0ec; padding-top:1px; padding-bottom:2px; } .ms-verticaldots{ /* [ReplaceColor(themeColor:"Accent3-Medium")] */ border-right:1px solid #83b0ec; border-left:none; } .ms-nav{ /* [ReplaceColor(themeColor:"Accent3-Medium")] */ background-color:#83b0ec; font-family:tahoma; } .ms-globalTitleArea{ text-align:right; background-image:url("/_layouts/images/siteTitleBKGD.gif"); background-position:right top; background-repeat:repeat-y; padding-left:5px; padding-right:0px; padding-top:1px; } .ms-titlearea{ /* [ReplaceColor(themeColor:"Dark1-Lighter")] */ color:#666666; font-family:tahoma; font-size:8pt; letter-spacing:.1em; } .ms-titlearea a { /* [ReplaceColor(themeColor:"Accent3-Darker")] */ color:#3966bf; text-decoration:none; } .ms-titlearea a:hover { /* [ReplaceColor(themeColor:"Dark1")] */ color:#000000; text-decoration:underline; } .ms-titlearealeft { /* [ReplaceColor(themeColor:"Accent3-Lightest")] */ background-color:#d6e8ff; } TD.ms-titleareaframe,Div.ms-titleareaframe,.ms-pagetitleareaframe{ background:url("/_layouts/images/bgximg.png") repeat-x -0px -461px; /* [ReplaceColor(themeColor:"Accent3-Lightest")] */ background-color:#d6e8ff; text-align:left; } div.ms-titleareaframe{ height:100%; } .ms-pagetitleareaframe table{ background-image:url("/_layouts/images/topshape.jpg"); background-repeat:no-repeat; background-position:332px 4px; height:54px; } .ms-titlearealine{ /* [ReplaceColor(themeColor:"Accent3-Medium")] */ background-color:#83b0ec; } .ms-titleareaframe table td.ms-titlearea,.ms-areaseparator table td.ms-titlearea,.ms-pagetitleareaframe table td.ms-titlearea{ padding:7px 0px 1px 0px; } .ms-sitemapdirectional,.ms-sitemapdirectional a{ unicode-bidi:embed; } .ms-areaseparatorcorner{ background-image:url("/_layouts/images/framecornergrad.gif"); background-position:left top; background-repeat:repeat-y; height:8px; /* [ReplaceColor(themeColor:"Accent5-Medium")] */ border-right:1px solid #6f9dd9; } td.ms-areaseparatorleft{ background:#d6e8ff url("/_layouts/images/bgximg.png") repeat-x -0px -461px; /* [ReplaceColor(themeColor:"Accent5-Medium")] */ border-right:1px solid #6f9dd9; height:100%; } div.ms-areaseparatorleft{ background-repeat:no-repeat; background-position:-143px 0px; /* [ReplaceColor(themeColor:"Accent5-Medium")] */ border-right:1px solid #6f9dd9; height:100%; } div.ms-areaseparatorright{ /* [ReplaceColor(themeColor:"Accent5-Medium")] */ border-left:1px solid #6f9dd9; padding-right:2px; height:100%; } .ms-titlearearight .ms-areaseparatorright{ background:#d6e8ff url("/_layouts/images/bgximg.png") repeat-x -0px -461px; /* [ReplaceColor(themeColor:"Accent5-Medium")] */ border-left:1px solid #6f9dd9; padding-right:2px; height:100%; } .ms-areaseparator{ /* [ReplaceColor(themeColor:"Accent4-Lightest")] */ background-color:#ffeaad; border-right:none; border-left:none; padding-left:5px; height:61px; } .ms-pagemargin{ background-color:#83b0ec; height:100%; } td.ms-rightareacell div.ms-pagemargin{ /* [ReplaceColor(themeColor:"Accent3-Medium")] */ background-color:#83b0ec; height:100%; /* [ReplaceColor(themeColor:"Accent3-Medium")] */ border-left:solid 1px #83b0ec; } .ms-bodyareacell{ vertical-align:top; } .ms-pagebottommargin,.ms-pagebottommarginleft,.ms-pagebottommarginright{ /* [ReplaceColor(themeColor:"Accent3-Medium")] */ background:#83b0ec; } .ms-bodyareapagemargin{ /* [ReplaceColor(themeColor:"Accent3-Medium")] */ background:#83b0ec; /* [ReplaceColor(themeColor:"Accent3-Lighter")] */ border-top:1px solid #6f9dd9; } .ms-bodyareaframe{ vertical-align:top; height:100%; /* [ReplaceColor(themeColor:"Light1")] */ background-color:#ffffff; /* [ReplaceColor(themeColor:"Accent3-Lighter")] */ border:1px solid #6f9dd9; } .ms-bodyareaframe{ padding:10px; } .ms-pagetitle{ /* [ReplaceColor(themeColor:"Dark1")] */ color:#000000; font-family:verdana; font-size:16pt; margin:0px 0px 4px 0px; font-weight:normal; } .ms-pagetitle a{ text-decoration:none; /* [ReplaceColor(themeColor:"Dark1")] */ color:#000000; margin:0; font-weight:normal; } .ms-pagetitle a:hover{ } .ms-vh table.ms-selectedtitle,.ms-vh2 table.ms-selectedtitle,.ms-vh-icon table.ms-selectedtitle,.ms-vh table.ms-unselectedtitle,.ms-vh2 table.ms-unselectedtitle,.ms-vh-icon table.ms-unselectedtitle{ height:21px; } .ms-vh table.ms-selectedtitle,.ms-vh2 table.ms-selectedtitle,.ms-vh-icon table.ms-selectedtitle{ /* [ReplaceColor(themeColor:"Light1-Lighter")] */ background-color:#dde1e5; border:none; } .ms-vh2 .ms-selectedtitle .ms-vb,.ms-vh2 .ms-unselectedtitle .ms-vb{ padding-left:5px; padding-right:5px; padding-top:1px; } .ms-vh-icon .ms-selectedtitle .ms-vb,.ms-vh-icon .ms-unselectedtitle .ms-vb{ padding-left:0px; vertical-align:middle; } .ms-propertysheet th.ms-vh2,.ms-propertysheet th.ms-vh2-nofilter{ font-family:tahoma; } .ms-listviewtable .ms-vh2,.ms-summarystandardbody .ms-vh2{ padding:1px 1px 0px 1px; } .ms-listviewtable .ms-vb2,.ms-summarystandardbody .ms-vb2{ padding-left:2px; padding-right:7px; } .ms-selectedtitle{ /* [ReplaceColor(themeColor:"Light1")] */ background-color:#ffffff; /* [ReplaceColor(themeColor:"Accent4-Darker")] */ border:1px solid #b09460; margin:0px; padding:0px; cursor:pointer; } .ms-selectedtitlealternative { /* [ReplaceColor(themeColor:"Light1")] */ background-color:#ffffff; /* [ReplaceColor(themeColor:"Accent4-Darker")] */ border:1px solid #b09460; margin:0px; padding:0px; cursor:pointer; } .ms-unselectedtitle{ background-color:transparent; margin:0px; padding:0px; } .ms-newgif{ display:inline-block; margin-left:5px; } .ms-menuimagecell{ /* [RecolorImage(themeColor:"Accent1",method:"Tinting")] */ background:url("/_layouts/images/selectednav.gif") repeat-x; /* [ReplaceColor(themeColor:"Accent6-Lighter")] */ background-color:#ffe6a0; cursor:pointer; /* [ReplaceColor(themeColor:"Light1")] */ border:solid 1px #ffffff; padding:0px; height:18px; } .ms-vh .ms-menuimagecell,.ms-vh2 .ms-menuimagecell,.ms-vh-icon .ms-menuimagecell{ height:20px; } .ms-vh .ms-menuimagecell img,.ms-vh2 .ms-menuimagecell img,.ms-vh-icon .ms-menuimagecell img{ margin-top:2px; margin-bottom:2px; } .ms-descriptiontext{ /* [ReplaceColor(themeColor:"Dark1-Medium")] */ color:#4c4c4c; font-family:tahoma; font-size:8pt; text-align:left; } .ms-statusdescriptiontext { color:#4c4c4c; background-color:#FFFF00; font-family:tahoma; font-size:8pt; text-align:left; } .ms-webpartpagedescription{ font-family:verdana; font-size:8pt; /* [ReplaceColor(themeColor:"Dark1-Lighter")] */ color:#5a5a5a; padding:8px 12px 0px 12px; } .ms-separator { /* [ReplaceColor(themeColor:"Light2",themeShade:"0.02")] */ color:#f1f1f2; background-repeat:repeat-x; border:none; padding-left:4px; font-size:10pt; } .ms-rtetoolbarmenu .ms-separator{ padding-left:0px !important; /* [ReplaceColor(themeColor:"Accent3-Medium")] */ color:#83b0ec; } .ms-separator img { height:12px; width:1px; margin:0px 1px 0px 1px; /* [ReplaceColor(themeColor:"Light2",themeShade:"0.02")] */ background:#f1f1f2; } .ms-propertysheet th.ms-authoringcontrols { /* [ReplaceColor(themeColor:"Accent3-Lightest")] */ background-color:#f1f1f2; text-align:left; } table.ms-authoringcontrols > tbody > tr > td{ vertical-align:middle; } td.ms-authoringcontrols > label,td.ms-authoringcontrols > span > label,td.ms-authoringcontrols > table > tbody > tr > td > label{ vertical-align:middle; } .ms-propertysheet th.ms-linksectionheader { /* [ReplaceColor(themeColor:"Dark1")] */ color:#000000; font-family:tahoma; font-size:8pt; font-weight:bold; text-align:left; } .ms-linksectionitemdescription{ padding-left:3px; padding-top:7px; } .ms-propertysheet .ms-sectionheader a,.ms-propertysheet .ms-sectionheader a:hover { /* [ReplaceColor(themeColor:"Dark1-Lighter")] */ color:#525252; text-decoration:none; } .ms-partline { height:3px; /* [ReplaceColor(themeColor:"Dark2",themeTint:"0.17")] */ border-bottom:1px solid #EBEBEB; } .ms-propertysheet{ font-family:verdana; font-size:1em; text-align:left; /* [ReplaceColor(themeColor:"Dark1-Medium")] */ color:#4c4c4c; } .ms-propertysheet th{ font-family:verdana; font-size:8pt; /* [ReplaceColor(themeColor:"Dark1-Medium")] */ color:#4c4c4c; font-weight:normal; } .ms-propertysheet a{ text-decoration:none; /* [ReplaceColor(themeColor:"Accent3-Darker")] */ color:#3966bf; } .ms-propertysheet a:hover{ text-decoration:underline; /* [ReplaceColor(themeColor:"Dark1")] */ color:#000000; } .ms-vh,.ms-vh2,.ms-vh-icon-empty,.ms-vhImage,.ms-vh2-nograd,.ms-vh3-nograd,.ms-vh2-nograd-icon,.ms-vh2-nofilter-icon,.ms-ph{ font-weight:normal; /* [ReplaceColor(themeColor:"Light1-Medium")] */ color:#b2b2b2; text-align:left; text-decoration:none; vertical-align:top; } .ms-vh-icon{ vertical-align:middle; } .ms-gb,.ms-gb2,.ms-gbload,.ms-vb-tall,.ms-vb-user,.ms-pb,.ms-pb-selected td{ /* [ReplaceColor(themeColor:"Dark1")] */ color:#000000; } .ms-gb a,.ms-gb2 a{ /* [ReplaceColor(themeColor:"Accent3")] */ color:#003399; } .ms-vh,.ms-vh2,.ms-vh-icon,.ms-vh-icon-empty,.ms-vhImage,.ms-gb,.ms-gb2,.ms-gbload,.ms-vb,.ms-vb2,.ms-vb-tall,.ms-vb-user,.ms-vh2-nograd,.ms-vh3-nograd,.ms-vh2-nograd-icon,.ms-vh2-nofilter-icon,.ms-pb,.ms-pb-selected,.ms-ph{ font-size:8pt; line-height:1.2; font-family:Verdana,Helvetica,sans-serif; } .ms-vh,.ms-vh2,.ms-vh2-nograd,.ms-vh3-nograd,.ms-vh2-nograd-icon,.ms-vh2-nofilter-icon,.ms-ph{ white-space:nowrap; } .ms-vh,.ms-vh2,.ms-vh-icon,.ms-vh2-nofilter-icon,.ms-viewheadertr .ms-vh-group,.ms-vh2-nograd,.ms-vh3-nograd,.ms-vh2-nograd-icon,.ms-ph,.ms-pickerresultheadertr{ background-repeat:repeat-x; padding-top:1px; padding-bottom:0px; } .ms-viewheadertr th{ padding-top:5px !important; } .ms-disc .ms-viewheadertr th.ms-vh2{ padding:1px 5px 0px 4px; } .ms-disc .ms-vh2 .ms-selectedtitle .ms-vb,.ms-disc .ms-vh2 .ms-unselectedtitle .ms-vb{ padding-left:4px; } th.ms-vh3-nograd{ width:12px; /* [ReplaceColor(themeColor:"Light1-Darker")] */ color:#949494; font-size:8pt; font-family:tahoma,sans-serif; } .ms-vh .ms-vh{ background-image:none; border-left:none; padding-left:1px; background-color:transparent; } .ms-vh2,.ms-ph{ padding:3px 8px 1px; } .ms-vh-div{ padding-top:5px; } .ms-vh-icon,.ms-vh2-nograd-icon,.ms-vh2-nofilter-icon{ width:12px; } .ms-vh-icon{ padding-left:6px; padding-right:4px; padding-bottom:3px; } .ms-vh-icon-empty{ width:0px; } .ms-vh a,.ms-vh a:visited,.ms-vh2 a{ /* [ReplaceColor(themeColor:"Dark1-Lightest")] */ color:#7f7f7f; text-decoration:none; } .ms-vh a:hover,.ms-vh2 a:hover{ text-decoration:underline; } .ms-imnImgTD { padding-right:2px; padding-bottom:5px; } .ms-vhltr .ms-imnImgTD { padding-right:2px; } .ms-vhrtl .ms-imnImgTD { padding-left:2px; } .ms-imnTxtTD { padding-top:0px; } .ms-vhImage{ width:18pt } .ms-standardheader{ font-size:1em; margin:0em; text-align:left; /* [ReplaceColor(themeColor:"Dark1")] */ color:#525252; } .ms-formlabel h3.ms-standardheader{ font-weight:normal; color:auto; } .ms-linksectionheader .ms-standardheader{ /* [ReplaceColor(themeColor:"Dark1")] */ color:#000000; } .ms-gb{ height:22px; /* [ReplaceColor(themeColor:"Light1")] */ background-color:#ffffff; font-weight:bold; /* [ReplaceColor(themeColor:"Accent3-Lighter")] */ border-bottom:1px solid #8ebbf5; /* [ReplaceColor(themeColor:"Light1-Lightest")] */ border-top:1px solid #f9f9f9; padding-bottom:3px; } .ms-gb .ms-vb2{ font-weight:normal; } .ms-listviewtable .ms-gb,.ms-listviewtable .ms-gb2{ padding-top:14px; } .ms-gb2{ height:22px; /* [ReplaceColor(themeColor:"Dark1-Medium")] */ color:#4c4c4c; padding-bottom:3px; /* [ReplaceColor(themeColor:"Accent3-Lightest")] */ border-bottom:1px solid #e3efff; /* [ReplaceColor(themeColor:"Light1-Lightest")] */ border-top:1px solid #f9f9f9; } .ms-gbload{ height:22px; /* [ReplaceColor(themeColor:"Dark1-Medium")] */ color:#4c4c4c; /* [ReplaceColor(themeColor:"Light1")] */ background-color:#ffffff; padding-bottom:3px; } .ms-vb,.ms-vb2,.ms-vb-user,.ms-vb-tall,.ms-pb,.ms-pb-selected { /* [ReplaceColor(themeColor:"Dark1")] */ color:#6d6f72; vertical-align:top; } .ms-vb a:link,.ms-vb2 a:link,.ms-vb-user a:link{ /* [ReplaceColor(themeColor:"Hyperlink")] */ color:#0072BC; text-decoration:none; } .ms-vb a:hover,.ms-vb2 a:hover,.ms-vb-user a:hover{ text-decoration:underline; } .ms-vb a:visited,.ms-vb2 a:visited,.ms-vb-user a:visited{ /* [ReplaceColor(themeColor:"Hyperlink")] */ color:#0072BC; text-decoration:none; } .ms-vb a:visited:hover,.ms-vb2 a:visited:hover,.ms-vb-user a:visited:hover{ /* [ReplaceColor(themeColor:"Hyperlink")] */ color:#0072BC; text-decoration:underline; } .ms-alternatingstrong .ms-vb a:link,.ms-alternatingstrong .ms-vb2 a:link,.ms-alternatingstrong .ms-vb-user a:link,.ms-alternatingstrong .ms-vb a:visited,.ms-alternatingstrong .ms-vb2 a:visited,.ms-alternatingstrong .ms-vb-user a:visited,.ms-alternatingstrong .ms-vb a:visited:hover,.ms-alternatingstrong .ms-vb2 a:visited:hover,.ms-alternatingstrong .ms-vb-user a:visited:hover{ /* [ReplaceColor(themeColor

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• Using HTML 5 SessionState to save rendered Page Content

  - by Rick Strahl

  HTML 5 SessionState and LocalStorage are very useful and super easy to use to manage client side state. For building rich client side or SPA style applications it's a vital feature to be able to cache user data as well as HTML content in order to swap pages in and out of the browser's DOM. What might not be so obvious is that you can also use the sessionState and localStorage objects even in classic server rendered HTML applications to provide caching features between pages. These APIs have been around for a long time and are supported by most relatively modern browsers and even all the way back to IE8, so you can use them safely in your Web applications. SessionState and LocalStorage are easy The APIs that make up sessionState and localStorage are very simple. Both object feature the same API interface which  is a simple, string based key value store that has getItem, setItem, removeitem, clear and  key methods. The objects are also pseudo array objects and so can be iterated like an array with  a length property and you have array indexers to set and get values with. Basic usage  for storing and retrieval looks like this (using sessionStorage, but the syntax is the same for localStorage - just switch the objects):// set var lastAccess = new Date().getTime(); if (sessionStorage) sessionStorage.setItem("myapp_time", lastAccess.toString()); // retrieve in another page or on a refresh var time = null; if (sessionStorage) time = sessionStorage.getItem("myapp_time"); if (time) time = new Date(time * 1); else time = new Date(); sessionState stores data that is browser session specific and that has a liftetime of the active browser session or window. Shut down the browser or tab and the storage goes away. localStorage uses the same API interface, but the lifetime of the data is permanently stored in the browsers storage area until deleted via code or by clearing out browser cookies (not the cache). Both sessionStorage and localStorage space is limited. The spec is ambiguous about this - supposedly sessionStorage should allow for unlimited size, but it appears that most WebKit browsers support only 2.5mb for either object. This means you have to be careful what you store especially since other applications might be running on the same domain and also use the storage mechanisms. That said 2.5mb worth of character data is quite a bit and would go a long way. The easiest way to get a feel for how sessionState and localStorage work is to look at a simple example. You can go check out the following example online in Plunker: http://plnkr.co/edit/0ICotzkoPjHaWa70GlRZ?p=preview which looks like this: Plunker is an online HTML/JavaScript editor that lets you write and run Javascript code and similar to JsFiddle, but a bit cleaner to work in IMHO (thanks to John Papa for turning me on to it). The sample has two text boxes with counts that update session/local storage every time you click the related button. The counts are 'cached' in Session and Local storage. The point of these examples is that both counters survive full page reloads, and the LocalStorage counter survives a complete browser shutdown and restart. Go ahead and try it out by clicking the Reload button after updating both counters and then shutting down the browser completely and going back to the same URL (with the same browser). What you should see is that reloads leave both counters intact at the counted values, while a browser restart will leave only the local storage counter intact. The code to deal with the SessionStorage (and LocalStorage not shown here) in the example is isolated into a couple of wrapper methods to simplify the code: function getSessionCount() { var count = 0; if (sessionStorage) { var count = sessionStorage.getItem("ss_count"); count = !count ? 0 : count * 1; } $("#txtSession").val(count); return count; } function setSessionCount(count) { if (sessionStorage) sessionStorage.setItem("ss_count", count.toString()); } These two functions essentially load and store a session counter value. The two key methods used here are: sessionStorage.getItem(key); sessionStorage.setItem(key,stringVal); Note that the value given to setItem and return by getItem has to be a string. If you pass another type you get an error. Don't let that limit you though - you can easily enough store JSON data in a variable so it's quite possible to pass complex objects and store them into a single sessionStorage value:var user = { name: "Rick", id="ricks", level=8 } sessionStorage.setItem("app_user",JSON.stringify(user)); to retrieve it:var user = sessionStorage.getItem("app_user"); if (user) user = JSON.parse(user); Simple! If you're using the Chrome Developer Tools (F12) you can also check out the session and local storage state on the Resource tab:   You can also use this tool to refresh or remove entries from storage. What we just looked at is a purely client side implementation where a couple of counters are stored. For rich client centric AJAX applications sessionStorage and localStorage provide a very nice and simple API to store application state while the application is running. But you can also use these storage mechanisms to manage server centric HTML applications when you combine server rendering with some JavaScript to perform client side data caching. You can both store some state information and data on the client (ie. store a JSON object and carry it forth between server rendered HTML requests) or you can use it for good old HTTP based caching where some rendered HTML is saved and then restored later. Let's look at the latter with a real life example. Why do I need Client-side Page Caching for Server Rendered HTML? I don't know about you, but in a lot of my existing server driven applications I have lists that display a fair amount of data. Typically these lists contain links to then drill down into more specific data either for viewing or editing. You can then click on a link and go off to a detail page that provides more concise content. So far so good. But now you're done with the detail page and need to get back to the list, so you click on a 'bread crumbs trail' or an application level 'back to list' button and… …you end up back at the top of the list - the scroll position, the current selection in some cases even filters conditions - all gone with the wind. You've left behind the state of the list and are starting from scratch in your browsing of the list from the top. Not cool! Sound familiar? This a pretty common scenario with server rendered HTML content where it's so common to display lists to drill into, only to lose state in the process of returning back to the original list. Look at just about any traditional forums application, or even StackOverFlow to see what I mean here. Scroll down a bit to look at a post or entry, drill in then use the bread crumbs or tab to go back… In some cases returning to the top of a list is not a big deal. On StackOverFlow that sort of works because content is turning around so quickly you probably want to actually look at the top posts. Not always though - if you're browsing through a list of search topics you're interested in and drill in there's no way back to that position. Essentially anytime you're actively browsing the items in the list, that's when state becomes important and if it's not handled the user experience can be really disrupting. Content Caching If you're building client centric SPA style applications this is a fairly easy to solve problem - you tend to render the list once and then update the page content to overlay the detail content, only hiding the list temporarily until it's used again later. It's relatively easy to accomplish this simply by hiding content on the page and later making it visible again. But if you use server rendered content, hanging on to all the detail like filters, selections and scroll position is not quite as easy. Or is it??? This is where sessionStorage comes in handy. What if we just save the rendered content of a previous page, and then restore it when we return to this page based on a special flag that tells us to use the cached version? Let's see how we can do this. A real World Use Case Recently my local ISP asked me to help out with updating an ancient classifieds application. They had a very busy, local classifieds app that was originally an ASP classic application. The old app was - wait for it: frames based - and even though I lobbied against it, the decision was made to keep the frames based layout to allow rapid browsing of the hundreds of posts that are made on a daily basis. The primary reason they wanted this was precisely for the ability to quickly browse content item by item. While I personally hate working with Frames, I have to admit that the UI actually works well with the frames layout as long as you're running on a large desktop screen. You can check out the frames based desktop site here: http://classifieds.gorge.net/ However when I rebuilt the app I also added a secondary view that doesn't use frames. The main reason for this of course was for mobile displays which work horribly with frames. So there's a somewhat mobile friendly interface to the interface, which ditches the frames and uses some responsive design tweaking for mobile capable operation: http://classifeds.gorge.net/mobile  (or browse the base url with your browser width under 800px)   Here's what the mobile, non-frames view looks like:   As you can see this means that the list of classifieds posts now is a list and there's a separate page for drilling down into the item. And of course… originally we ran into that usability issue I mentioned earlier where the browse, view detail, go back to the list cycle resulted in lost list state. Originally in mobile mode you scrolled through the list, found an item to look at and drilled in to display the item detail. Then you clicked back to the list and BAM - you've lost your place. Because there are so many items added on a daily basis the full list is never fully loaded, but rather there's a "Load Additional Listings"  entry at the button. Not only did we originally lose our place when coming back to the list, but any 'additionally loaded' items are no longer there because the list was now rendering  as if it was the first page hit. The additional listings, and any filters, the selection of an item all were lost. Major Suckage! Using Client SessionStorage to cache Server Rendered Content To work around this problem I decided to cache the rendered page content from the list in SessionStorage. Anytime the list renders or is updated with Load Additional Listings, the page HTML is cached and stored in Session Storage. Any back links from the detail page or the login or write entry forms then point back to the list page with a back=true query string parameter. If the server side sees this parameter it doesn't render the part of the page that is cached. Instead the client side code retrieves the data from the sessionState cache and simply inserts it into the page. It sounds pretty simple, and the overall the process is really easy, but there are a few gotchas that I'll discuss in a minute. But first let's look at the implementation. Let's start with the server side here because that'll give a quick idea of the doc structure. As I mentioned the server renders data from an ASP.NET MVC view. On the list page when returning to the list page from the display page (or a host of other pages) looks like this: https://classifieds.gorge.net/list?back=True The query string value is a flag, that indicates whether the server should render the HTML. Here's what the top level MVC Razor view for the list page looks like:@model MessageListViewModel @{ ViewBag.Title = "Classified Listing"; bool isBack = !string.IsNullOrEmpty(Request.QueryString["back"]); } <form method="post" action="@Url.Action("list")"> <div id="SizingContainer"> @if (!isBack) { @Html.Partial("List_CommandBar_Partial", Model) <div id="PostItemContainer" class="scrollbox" xstyle="-webkit-overflow-scrolling: touch;"> @Html.Partial("List_Items_Partial", Model) @if (Model.RequireLoadEntry) { <div class="postitem loadpostitems" style="padding: 15px;"> <div id="LoadProgress" class="smallprogressright"></div> <div class="control-progress"> Load additional listings... </div> </div> } </div> } </div> </form> As you can see the query string triggers a conditional block that if set is simply not rendered. The content inside of #SizingContainer basically holds  the entire page's HTML sans the headers and scripts, but including the filter options and menu at the top. In this case this makes good sense - in other situations the fact that the menu or filter options might be dynamically updated might make you only cache the list rather than essentially the entire page. In this particular instance all of the content works and produces the proper result as both the list along with any filter conditions in the form inputs are restored. Ok, let's move on to the client. On the client there are two page level functions that deal with saving and restoring state. Like the counter example I showed earlier, I like to wrap the logic to save and restore values from sessionState into a separate function because they are almost always used in several places.page.saveData = function(id) { if (!sessionStorage) return; var data = { id: id, scroll: $("#PostItemContainer").scrollTop(), html: $("#SizingContainer").html() }; sessionStorage.setItem("list_html",JSON.stringify(data)); }; page.restoreData = function() { if (!sessionStorage) return; var data = sessionStorage.getItem("list_html"); if (!data) return null; return JSON.parse(data); }; The data that is saved is an object which contains an ID which is the selected element when the user clicks and a scroll position. These two values are used to reset the scroll position when the data is used from the cache. Finally the html from the #SizingContainer element is stored, which makes for the bulk of the document's HTML. In this application the HTML captured could be a substantial bit of data. If you recall, I mentioned that the server side code renders a small chunk of data initially and then gets more data if the user reads through the first 50 or so items. The rest of the items retrieved can be rather sizable. Other than the JSON deserialization that's Ok. Since I'm using SessionStorage the storage space has no immediate limits. Next is the core logic to handle saving and restoring the page state. At first though this would seem pretty simple, and in some cases it might be, but as the following code demonstrates there are a few gotchas to watch out for. Here's the relevant code I use to save and restore:$( function() { … var isBack = getUrlEncodedKey("back", location.href); if (isBack) { // remove the back key from URL setUrlEncodedKey("back", "", location.href); var data = page.restoreData(); // restore from sessionState if (!data) { // no data - force redisplay of the server side default list window.location = "list"; return; } $("#SizingContainer").html(data.html); var el = $(".postitem[data-id=" + data.id + "]"); $(".postitem").removeClass("highlight"); el.addClass("highlight"); $("#PostItemContainer").scrollTop(data.scroll); setTimeout(function() { el.removeClass("highlight"); }, 2500); } else if (window.noFrames) page.saveData(null); // save when page loads $("#SizingContainer").on("click", ".postitem", function() { var id = $(this).attr("data-id"); if (!id) return true; if (window.noFrames) page.saveData(id); var contentFrame = window.parent.frames["Content"]; if (contentFrame) contentFrame.location.href = "show/" + id; else window.location.href = "show/" + id; return false; }); … The code starts out by checking for the back query string flag which triggers restoring from the client cache. If cached the cached data structure is read from sessionStorage. It's important here to check if data was returned. If the user had back=true on the querystring but there is no cached data, he likely bookmarked this page or otherwise shut down the browser and came back to this URL. In that case the server didn't render any detail and we have no cached data, so all we can do is redirect to the original default list view using window.location. If we continued the page would render no data - so make sure to always check the cache retrieval result. Always! If there is data the it's loaded and the data.html data is restored back into the document by simply injecting the HTML back into the document's #SizingContainer element:$("#SizingContainer").html(data.html); It's that simple and it's quite quick even with a fully loaded list of additional items and on a phone. The actual HTML data is stored to the cache on every page load initially and then again when the user clicks on an element to navigate to a particular listing. The former ensures that the client cache always has something in it, and the latter updates with additional information for the selected element. For the click handling I use a data-id attribute on the list item (.postitem) in the list and retrieve the id from that. That id is then used to navigate to the actual entry as well as storing that Id value in the saved cached data. The id is used to reset the selection by searching for the data-id value in the restored elements. The overall process of this save/restore process is pretty straight forward and it doesn't require a bunch of code, yet it yields a huge improvement in the usability of the site on mobile devices (or anybody who uses the non-frames view). Some things to watch out for As easy as it conceptually seems to simply store and retrieve cached content, you have to be quite aware what type of content you are caching. The code above is all that's specific to cache/restore cycle and it works, but it took a few tweaks to the rest of the script code and server code to make it all work. There were a few gotchas that weren't immediately obvious. Here are a few things to pay attention to: Event Handling Logic Timing of manipulating DOM events Inline Script Code Bookmarking to the Cache Url when no cache exists Do you have inline script code in your HTML? That script code isn't going to run if you restore from cache and simply assign or it may not run at the time you think it would normally in the DOM rendering cycle. JavaScript Event Hookups The biggest issue I ran into with this approach almost immediately is that originally I had various static event handlers hooked up to various UI elements that are now cached. If you have an event handler like:$("#btnSearch").click( function() {…}); that works fine when the page loads with server rendered HTML, but that code breaks when you now load the HTML from cache. Why? Because the elements you're trying to hook those events to may not actually be there - yet. Luckily there's an easy workaround for this by using deferred events. With jQuery you can use the .on() event handler instead:$("#SelectionContainer").on("click","#btnSearch", function() {…}); which monitors a parent element for the events and checks for the inner selector elements to handle events on. This effectively defers to runtime event binding, so as more items are added to the document bindings still work. For any cached content use deferred events. Timing of manipulating DOM Elements Along the same lines make sure that your DOM manipulation code follows the code that loads the cached content into the page so that you don't manipulate DOM elements that don't exist just yet. Ideally you'll want to check for the condition to restore cached content towards the top of your script code, but that can be tricky if you have components or other logic that might not all run in a straight line. Inline Script Code Here's another small problem I ran into: I use a DateTime Picker widget I built a while back that relies on the jQuery date time picker. I also created a helper function that allows keyboard date navigation into it that uses JavaScript logic. Because MVC's limited 'object model' the only way to embed widget content into the page is through inline script. This code broken when I inserted the cached HTML into the page because the script code was not available when the component actually got injected into the page. As the last bullet - it's a matter of timing. There's no good work around for this - in my case I pulled out the jQuery date picker and relied on native <input type="date" /> logic instead - a better choice these days anyway, especially since this view is meant to be primarily to serve mobile devices which actually support date input through the browser (unlike desktop browsers of which only WebKit seems to support it). Bookmarking Cached Urls When you cache HTML content you have to make a decision whether you cache on the client and also not render that same content on the server. In the Classifieds app I didn't render server side content so if the user comes to the page with back=True and there is no cached content I have to a have a Plan B. Typically this happens when somebody ends up bookmarking the back URL. The easiest and safest solution for this scenario is to ALWAYS check the cache result to make sure it exists and if not have a safe URL to go back to - in this case to the plain uncached list URL which amounts to effectively redirecting. This seems really obvious in hindsight, but it's easy to overlook and not see a problem until much later, when it's not obvious at all why the page is not rendering anything. Don't use <body> to replace Content Since we're practically replacing all the HTML in the page it may seem tempting to simply replace the HTML content of the <body> tag. Don't. The body tag usually contains key things that should stay in the page and be there when it loads. Specifically script tags and elements and possibly other embedded content. It's best to create a top level DOM element specifically as a placeholder container for your cached content and wrap just around the actual content you want to replace. In the app above the #SizingContainer is that container. Other Approaches The approach I've used for this application is kind of specific to the existing server rendered application we're running and so it's just one approach you can take with caching. However for server rendered content caching this is a pattern I've used in a few apps to retrofit some client caching into list displays. In this application I took the path of least resistance to the existing server rendering logic. Here are a few other ways that come to mind: Using Partial HTML Rendering via AJAXInstead of rendering the page initially on the server, the page would load empty and the client would render the UI by retrieving the respective HTML and embedding it into the page from a Partial View. This effectively makes the initial rendering and the cached rendering logic identical and removes the server having to decide whether this request needs to be rendered or not (ie. not checking for a back=true switch). All the logic related to caching is made on the client in this case. Using JSON Data and Client RenderingThe hardcore client option is to do the whole UI SPA style and pull data from the server and then use client rendering or databinding to pull the data down and render using templates or client side databinding with knockout/angular et al. As with the Partial Rendering approach the advantage is that there's no difference in the logic between pulling the data from cache or rendering from scratch other than the initial check for the cache request. Of course if the app is a  full on SPA app, then caching may not be required even - the list could just stay in memory and be hidden and reactivated. I'm sure there are a number of other ways this can be handled as well especially using  AJAX. AJAX rendering might simplify the logic, but it also complicates search engine optimization since there's no content loaded initially. So there are always tradeoffs and it's important to look at all angles before deciding on any sort of caching solution in general. State of the Session SessionState and LocalStorage are easy to use in client code and can be integrated even with server centric applications to provide nice caching features of content and data. In this post I've shown a very specific scenario of storing HTML content for the purpose of remembering list view data and state and making the browsing experience for lists a bit more friendly, especially if there's dynamically loaded content involved. If you haven't played with sessionStorage or localStorage I encourage you to give it a try. There's a lot of cool stuff that you can do with this beyond the specific scenario I've covered here… Resources Overview of localStorage (also applies to sessionStorage) Web Storage Compatibility Modernizr Test Suite© Rick Strahl, West Wind Technologies, 2005-2013Posted in JavaScript  HTML5  ASP.NET  MVC   Tweet !function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0];if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src="//platform.twitter.com/widgets.js";fjs.parentNode.insertBefore(js,fjs);}}(document,"script","twitter-wjs"); (function() { var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true; po.src = 'https://apis.google.com/js/plusone.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s); })();

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• Word 2010 Beta - Vertically center content on a single page

  - by rodey

  I am writing a paper using Word 2010 Beta and need to horizontally and vertically center my title page. I can horz. center but when I do a vertical center it applies that to the entire document. How do I do a vertical center on just a single page?

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• mplayer audio desync

  - by geek

  I have and avi file and an ac3 file that contains an alternate audio stream. I run mplayer like: mplayer -audiofile foo.ac3 bar.avi mplayer takes the audio stream from the ac3 file as expected, but when I try to scroll the video using arrows or pgup/pgdown keys, the audio gets desynced: mplayer just starts playing the audio stream from the beginning. Do I have to pass any additional command line arguments in order to make it scroll properly without desyncing audio?

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• Why has my zoom feature stopped working in OSX 10.6?

  - by Kev

  For the life of me I can't get the zoom feature to work on OSX 10.6 on my Max Mini. It's a fresh install, I have the wireless mighty mouse with the small grey scroll ball and the small wireless Apple metal keyboard. I've tried enabling "Zoom using scroll ball whilst holding ^Control" mouse System Preference. I also tried enabling Zoom in "Universal Access" in the System Preferences. This did work in OSX 10.5, but seems to have stopped since I installed 10.6.

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• Does Apple Magic Mouse fully work on Windows 7 x86/x64?

  - by Sorin Sbarnea

  I would like to know if Apple Magic Mouse works on Windows 7 (x86/x64) on non-Apple computers. Here are some checklists: x64 compatibility left click right click middle button? vertical scroll horizontal scroll bind additional gestures to keystrokes? are any usage problems? In case it works please advise on how to get the drivers.

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• Synaptics Touchpad on Dell Inspiron Stops Responding Sometimes.

  - by DaveDev

  Sometimes for no reason that I can observe my Synaptics touchpad will stop responding to scroll the scroll function (I swipe my finger down the right side). I then have to reboot to get it back. Does anyone know how to fix this? Preferably without upgrading the driver - I upgraded the driver before and it turned out to be crap. I don't want to do that again. I have an Inspiron 9400 with Windows XP Media Centre Edition

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• email/pic format problem

  - by user26610

  A client sent me some vertical pics but they show up on my server as horizontal images. I viewed them via the browser -did not use an email client to view them. I forwarded his email to him and he says when he opens it the images are vertical. I don't have a clue.

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• How do I get Chrome to remember where I was on a webpage after I hit backspace?

  - by verve

  One of the many reasons I hate Chrome is this: in IE when I scroll down a webpage and click on an article to read it and then hit the Backspace button IE always remembers how far down on the page I was so I never have to re-scroll down every single time I want to return to the main page after clicking on an article but this technique never works in Chrome! So inefficient. How do I get Chrome to remember where I was reading on a page when I hit the Backspace button?

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• Can you suggest a good twitter client for desktop pc (windows 7)? [closed]

  - by detj

  Possible Duplicate: Which Twitter app do you use? I need a robust, responsive twitter client for Windows which runs natively (no Adobe Air plz) and eats less resources. I've already tried Seesmic for Windows, it's slow and sluggish and the lists doesn't scroll with my touchpad scroll, which is really a pain.

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• VMWare Ubuntu guest multitouch touchpad

  - by Petr Marek

  Related: Use Synaptics Touchpad Scroll in VMware Guest I've read that it's not possible to enable multitouch in vmware guest. What confuses me, is that when I use something special (like two finger scroll) in guest OS, I can see the cursor change to the scrolling one. Is this some kind of virtualization bug or is there a possibility that I can enable multitouch in guest? Host: Windows 7 Guest: Ubuntu 12.04

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• Arrow keys don't work in htop on OS X in Terminal

  - by Daniel Huckstep

  Not sure when it happened, or what I did (if anything), but my arrow keys don't work in htop anymore to scroll around. You should be able to press up and down to scroll up and down the process list, but they don't work. Some keys tend to be the equivalent of 'go back' or something. If I'm on the settings screen, left, up and down all go back to the main screen. htop seems to be the only affected program.

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• How to select all text inside text area of code field on web pages

  - by Moorage

  In all the forums web pages the download links are given inside the [code] braces that looks like text area with white background. When the download links are in large numbers then there are scroll bars. I find it difficult to scroll up and then select and then drag down to select all links. Is there any way to select all , when I click on select all on right click then it usually selects the text from whole page not from that code segment

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• How do I :split a window if the window already has been :vsplit?

  - by Evan Carroll

  Let's say you open two files through a vertical split.. vim -O 1 2 Now how would I split this window horizontally across both of the vertical windows? So this is what a :vsplit looks like: ----------------- | | | | | | | | | | | | | | | | | | ----------------- I want the end result to look like ----------------- | | | | | | | | | ----------------- | | | | | | -----------------

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• Scrolling content in a kindle book

  - by Dave

  I'm wondering if anyone is aware of a way to scroll content in a kindle book. I thought I had the problem solved by using calibre but I quickly discovered that since the content is DRMed, I'm not allowed to read the book with this reader. lame The specific book I'm reading has code examples in it, but it is difficult to follow them without being able to specifically scroll through the examples. This doesn't even touch on the fact that the code content is also poorly formatted.

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• Can you use ScrollIntoView() with a PagedCollectionView in a Silverlight DataGrid?

  - by Simon

  Is it possible to scroll to a particular row (by object identity) in a Silverlight DataGrid that has an ItemsSource which is a PagedCollectionView. I am loading a list of orders that are grouped by day/status etc. I need to be able to scroll to a particular order. var pcv = new PagedCollectionView(e.Result.Orders); gridOrders.ItemsSource = pcv; Unfortunately ScrollIntoView(order) doesn't work because of the PagedCollectionView. An article on DataGrid from MSDN shows that it is possible to scroll to a group in a PagedCollectionView, but that's not really much use. foreach (CollectionViewGroup group in pcv.Groups) { dataGrid1.ScrollIntoView(group, null); dataGrid1.CollapseRowGroup(group, true); } Is there a way to do this ?

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• WPF: Apply ScrollBar Style to ListBox Template - Error object cannot be added to border

  - by TheMar

  Hi, I thought this may be straightforward question but did not find any definitive answer while searching net or SO. I have created scrollbar style (using standard scroll bard template - Blend 2) I am not sure how to apply this style "MyScrollStyle" to a ListBox Template . I saw on ListBox template they have Scroll Viewer -- which should contain the scrollbar Assuming it is something simple as ---Content Added--- After going through lot of xaml in template edit I kind of understood how to apply style. I am trying to add the scroll view style set in this example -http://blog.xamltemplates.net/wp-content/uploads/2008/12/scrollviewer.zip, to my list view template but it gives error -- System.Windows.Markup.XamlParseException was unhandled Message="'ScrollViewer' object cannot be added to 'Border'. Exception has been thrown by the target of an invocation. Error at object 'System.Windows.Controls.ScrollViewer' in markup file 'MenuModule, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null;component/resources/Resources.xaml' Line 19 Position 26." Source="PresentationFramework" LineNumber=19 LinePosition=26 NameContext="1_T" Any help is appreciated Thank you, The Mar

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