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Greasemonkey: load url using GM_xmlhttpRequest and createContextualFragment

- by Dave

I have the following GreaseMonkey Script: GM_xmlhttpRequest({ method: 'GET', url: "http://www.testurl.com", headers: { 'User-agent': 'Mozilla/4.0 (compatible) Greasemonkey/0.3', }, onload: function(responseDetails) { var tagString = responseDetails.responseText; var range = document.createRange(); range.selectNode(document.body); var documentFragment = range.createContextualFragment(tagString); How do I now extract stuff from documentFragment? documentFragment.getElementById(''), document.body etc all returns undefined. I suspect this is due to the createContextualFragment method returning a XPCNativeWrapper object, but how do I work around this to access the underlying DOM? Thanks

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Accessing and binding events to an ASP.NET Grid view using Jquery

- by Sayem Ahmed

I have an ASP page which displays a text box when it loads. It takes an input number, send it to the server through post back, and then displays some record in a grid view. After a number is input into the box, the server fetches some data from a database and add records to the grid view. It also contains a link column, whose URL is set to "#", so that the page isn't redirected when it is clicked. Now I want to bind a jquery "click" event to that link. How can I do that ? I have tried that to do myself but failed, because it is not available when the DOM is loaded (since it only contains rows when a number is input through the box), and is being modified through ASP.NET Ajax post back.

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Drag and drop: jQuery UI or Scriptaculous?

- by jpartogi

Dear all, I am in the middle of the road whether to use jQuery UI or Scriptaculous for drag and drop. I am using Ruby on Rails, and Scriptaculous support in Ruby on Rails is superb with the existence of scriptaculous_helper.rb. But I have already use jQuery for the ajax and DOM manipulation. I do not mind to use scriptaculous since we can use jQuery.noConflict() in the code. I also kind of get the impression that scriptaculous drag and drop is better than jQuery UI drag and drop based on the online demos. So back to the original question, which one would you recommend as a drag and drop library and which one do you think is better than the other? Scriptaculous or jQuery UI?

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Disappearing IE6 elements.

- by Stefan Kendall

I don't know what could be causing this issue, but for some reason, elements on my page (list navigation items, specifically), are disappearing in IE6. That is, from IE developer toolbar, I can see that the elements are there, and the DOM/css is correct, but the elements just aren't visible. The odd thing is that if you set or toggle ANY css element on the list items with the IE6 toolbar, the elements appear. I also have a hover() jQuery action set on the list navigation items, and the event fires as if the elements were visible and working correctly. What could possibly be going wrong here? I initially thought z-index could be an issue, but changing ANY attribute or css value (not necessarily z-index), causes the element to render. I should note, however, that doing this programmatically does not cause the elements to display properly, even if triggered seconds after the page load.

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Dojo not working for me.

- by pfdevil

Hello, I can't get my dojo working. I've tried everything. Here is the code: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html> <head> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/dojo/1.4/dojo/dojo.xd.js"> dojo.addOnLoad(function(){ console.log("page ready, can modify DOM anytime after this"); }); </script> </head> <body> </body> </html>

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Light weight C++ SAX XML parser

- by John Bartholomew

I know of at least three light weight C++ XML parsers: RapidXML, TinyXML and PugiXML. However, all three use a DOM based interface (ie, they build their own in-memory representation of the XML document and then provide an interface to traverse and manipulate it). For most situations that I have to deal with, I much prefer the SAX interface (where the parser just spits out a stream of events like start-of-tag, and the application code is responsible for doing whatever it wants based on those events). Can anyone recommend a light weight C++ XML library with a SAX interface? Edit: I should also note the Microsoft XmlLite library, which does use a SAX interface. Unfortunately, it's ruled out for me at the moment since as far as I know it's closed source and Windows only (please correct me if I'm wrong on this).

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Adding childs to list of parents with jquery /mvc2

- by John Landheer

Hi, I have a table of products on my page, each product has zero or more colors, the colors are shown as a list beneath the product. After the colors I have a button to add a color. The button will do an ajax call with the parent product id to a controller which will return a JSON object with color information. My problem is where to store the product id in the DOM, should I put it in a hidden field and use jquery in the click event of the "add color" to get to it? What is the best way to do this? TIA, John EDIT: The page is initially rendered on the server so I don't want to use jquery to add the id's to the page.

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Best placement for javascript in Asp.net MVC app that heavily uses partial views

- by KallDrexx

What is the best place for javascript that is specific to a partial view? For example, if I have a partial view (loaded via ajax call) with some divs and I want to turn those divs into an accordian, would it be better put the $("#section").accordion() in script tags inside of the partial view, or in a .js file in the function that retrieves that partial view and inserts it into the DOM? Obviously, common methods I will be keeping in a .js file, however I am more talking about javascript very specific to the partial view itself. Most things I find on the net seem to say to put all javascript into a separate .js but nothing addresses the idea of partial views.

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How to center text around point using xaml

- by Pete d'Oronzio

I would like to be able to place the word "hello" centered on a specific point. I need to do this completely in XAML without extra code. Best I can tell, all the text alignment properties/styles in XAML act on text within some bouding canvas or other element. Since I don't know the length of the text I want to center, I can't center it using my own code. The reason I need to solve the problem entirely in XAML is that I'm not using WPF to create the XAML, I'm writing it directly to an XML DOM. It will then be loaded into a Silverlight or WPF control for display. In most graphic languages, including SVG, which is where my code originated, text can be aligned against a "stationary point" without a bounding box. Any suggestions appreciated

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jQuery UI: Drag and clone from original div, but keep clones

- by Nic Hubbard

I have a div, which has jQuery UI Draggable applied. What I want to do, is click and drag that, and create a clone that is kept in the dom and not removed when dropped. Think of a deck of cards, my box element is the deck, and I want to pull cards/divs off that deck and have them laying around my page, but they would be clones of the original div. I just want to make sure that you cannot create another clone of one of the cloned divs. I have used the following, which didn't work like I wanted: $(".box").draggable({ axis: 'y', containment: 'html', start: function(event, ui) { $(this).clone().appendTo('body'); } });

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Memory footprint of a parsed XML file in Classic ASP?

- by Pete Duncanson

Anyone know of a way to find out the amount of memory/size of a XMLDocument once it has parsed a XML file? I've been doing "beer mat" calculations so far but have been asked to come up with some more legit numbers through monitoring some how. I need to create about 1500 XML files (via FreeThreadedXMl-DOM object), which verge between 3-9K in size and store them in Application vars but our SysAdmin is worried about us gobbling up too much memory. Other than the crude method of booting up a fresh IIS instance and then loading everything in and monitoring before and after memory usage in Task Manager I can't think of a way of doing it with a bit more accuracy.

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.attr("disabled", "disabled") problem

- by meo

i have this function where basically add and remove the disabled attribute form a input field: $(bla).click(function(){ if (something) { console.log($target.prev("input")) // gives out the right object $target.toggleClass("open").prev("input").attr("disabled", "disabled"); }else{ $target.toggleClass("open").prev("input").removeAttr("disabled"); //this works } }) the removeAttr works fine but when i need to add the disabled again it does just nothing. My console.log is triggering (and giving me back the right input field) so I'm sure my that my if statement works. But if i inspect the DOM with firebug the disabled attribute does not appear. can someone help me? PS: please don't focus on the function or the if statement itself, works fine its just that attr that dies not work for disabled...

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How to open window pop-up from Silverlight Out-of-Browser?

- by Jeaffrey Gilbert

I need to open window pop-up from Silverlight Out-of-Browser application. I've added parameter <param name="enablehtmlaccess" value="true" /> in Index.html, but executing this from code behind: HtmlPage.Window.Navigate(new Uri(myUrl), "_blank", myFeatures); still returns error: Silverlight OOB Error: The DOM/scripting bridge is disabled. I've read about this post, does it mean that I can't open pop-up from OOB? Why I need to do this, because actually I've shown the HTML page in OOB Silverlight by WebBrowser control within ChildWindow but when I click an anchor in HTML page, which linked to _blank page, it jumps to my default browser. It doesn't meet the requirement, except launch that HTML index page also in default browser at the first time, triggered from button control in OOB Silverlight. Is that possible? Please advice, thanks.

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Robust unit-testing of HTML in PHP

- by asbja

I'm adding unit-tests to an older PHP codebase at work. I will be testing and then rewriting a lot of HTML generation code and currently I'm just testing if the generated strings are identical to the expected string, like so: (using PHPUnit) public function testConntype_select() { $this->assertEquals( '<select><option value="blabla">Some text</option></select>', conntype_select(1); // A value from the test dataset. ); } This way has the downside that attribute ordering, whitespace and a lot of other irrelevant details are tested as well. I'm wondering if there are any better ways to do this. For example if there are any good and easy ways to compare the generated DOM trees. I found very similar questions for ruby, but couldn't find anything for PHP.

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dojox.enhancedGrid get Selected Row

- by user256007

How can I get the Selected Row Object of dojox.enhancedGrid ? I am using selectionMode: 'single' e.g. with Radio Buttons. dijit.byId("gridViewWidget").selection.selectedIndex Returns the rowIndex. But how to get the rowObject of that Index ? I can get the rowNode()But What I need is value of the id column of that Row. Its possible to travarse the HTML DOM returned by rowNode() But Is theer any straight forward way ?

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Cast ASP type object to HtmlControl

- by Joris

Hey'all How do I cast a li dom element as HtmlControl from an ASP type object? I tried it like this: var li = (HtmlControl)sender; I get a InvalidCastException... The thing is, I want to make the li (a tab) clickable, and then update an UpdatePanel... But when I start like this <li id="li" runat="server" onclick="tab2_Click"> FooBar </li> I get an error because the object is not defined... how to cast?

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If you're not supposed to use Regular Expressions to parse HTML, then how are HTML parsers written?

- by Andy E

I see questions every day asking how to parse or extract something from some HTML string and the first answer/comment is always "Don't use RegEx to parse HTML, lest you feel the wrath!" (that last part is sometimes omitted). This is rather confusing for me, I always thought that in general, the best way to parse any complicated string is to use a regular expression. So how does a HTML parser work? Doesn't it use regular expressions to parse. One particular argument for using a regular expression is that there's not always a parsing alternative (such as JavaScript, where DOMDocument isn't a universally available option). jQuery, for instance, seems to manage just fine using a regex to convert a HTML string to DOM nodes. Not sure whether or not to CW this, it's a genuine question that I want to be answered and not really intended to be a discussion thread.

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Displaying a DHTML layer over a Silverlight UI...

- by Kevin Grossnicklaus

I have a MOSS 2007 publishing site which incorporates some Silverlight components on various pages. Beyond a few areas the rest of the site is SharePoint and ASPX (i.e. standard HTML/javascript). I'm looking at incorporating a dynamic/dropdown menu to the main navigation. Unfortunately on a few of the pages the menu sits close to a Silverlight area and, when a menu is pulled down it falls "behind" the Silverlight block. Is there something simple I'm not doing or is there a limitation that Silverlight always be on top of dynamic content displayed via the rest of the HTML DOM? Any ideas? -Kevin

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How to get value of a input field in Javascript

- by gaurav.mishra280295

I am using valums-file-uploader plugin. It allows me to upload files using ajax. I have a problem with it. I have the following script- <input type="text" id="Gaurav" name="Gaurav" /> <script src="fileuploader.js" type="text/javascript"></script> <script> function createUploader(){ var uploader = new qq.FileUploader({ element: document.getElementById('file'), action: 'do-nothing.php', params:{param: document.getElementById('Gaurav').value}, allowedExtensions: ['jpg', 'jpeg', 'png', 'gif'], minSizeLimit: 1, debug: false }); } // in your app create uploader as soon as the DOM is ready // dont wait for the window to load window.onload = createUploader; </script> In it, I want to set the value of param entered by the user. The code is working properly for default value of Gaurav, but didn't work for user inputted value.

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Colspan in IE7/8 not respected

- by Stefan Kendall

The DOM looks like this: <table> <tr> <td>a</td>...<td>g</td> </tr> <tr> <td colspan="3"> <table> ... </table> </td> </tr> <tr> <td></td>...<td></td> </tr> </table> Any idea why this wouldn't work in IE? I tried setting width:auto on the TD holding the inner table, and table-layout:fixed isn't viable because the tabular data is generated dynamically. What could be going wrong?

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How come jQuery can't remove this element?

- by George Edison

I have a table like this: <table id='inventory_table'> <tr id='no_items_avail'> <td> There are no items in the database. </td> </tr> </table> And I want to get rid of it with jQuery like this: $('#inventory_table tbody tr#no_items_avail').remove(); However it doesn't seem to be working at all. What am I doing wrong? Edit: Also, the row above was originally inserted into the DOM with another jQuery call: $('#inventory_table tbody').append("<tr id='no_items_avail'....... If that helps. And, running: alert($('#no_items_avail').text()); yields "There are no items in the database." as expected.

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Does XercesC contain an extensive logic of XMLSchema validation?

- by seas

Tried to implement a small XML validation tool with XercesC. For some reason I cannot use existing validators right from the box - I need some preprocessing and would like to combine it with validation in a single tool. I used DOM parser and specified DOMErrorHandler. Instead of a set of errors with detailed messages like I saw from xmllint for the same xml and xmlschema files, only one message appeared that document has a wrong structure without details. Probably, I did something wrong. But also assume XercesC doesn't contain xmllint functionality right from the box. Does anybody can give me a hint before I spent too much time? Thanks.

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Changing content of HTMLDocument displayed in a JTextPane

- by kayahr

I'm displaying some tables as HTML code (rendered by a Freemarker template) with a JTextPane. I also have some HTML links in this HTML output which can be used to interact with the values of the table (For example "Delete a row" and stuff like this). Currently I always recreate the whole HTML output on each change and replace the whole document in the JTextPane with the new one. This is getting really slow and the JTextPane always changes the scroll position when I do this. Is it possible to change only parts of the HTML code during runtime without replacing the whole document? In a real browser I would use the DOM and do something like document.getElementById("price").innerHTML = "$123.44". Is something like that possible with the HTMLDocument in a JTextPane?

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selectors-api for data attributes

- by MJ

In HTML5, CSS selectors seem to operate well with data-* attributes. For example: <style> div[data-foo='bar'] { background:#eee; } </style> <div data-foo='bar'>colored</div> <div>not colored</div> will properly style the first . But, attempts to select such elements using the selectors-api fail. Examples: var foos = document.querySelectorAll("div[data-foo]='bar'"); or var foos = document.querySelectorAll("div data-foo='bar'"); in Chrome and Safari, this produces a cryptic error: SYNTAX_ERR: DOM Exception 12 Any thoughts on how to use the selectors-api to properly select elements on the basis of data-* attributes?

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Jquery selectors by CSS class in IE is really slow--workarounds?

- by Sam Lee

I have a web app where I have several elements with class="classA". I want to select and apply a function to all of them. I am doing the obvious thing, which is $(".classA").each(function () { ... }). This works just fine in Chrome/Safari/Firefox but is really slow in IE. It turns out IE has serious performance issues when selecting things by CSS class in jQuery. I was wondering if anyone has suggestions on good ways to deal with this. I can't use ID selectors because there can be multiple DOM elements I want to select.

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