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  • Resize text area to fit all text on load jquery

    - by CR41G14
    I understand there has been a lot of discussion on this but I have yet to find a solution to fix my needs. Basically I need to autogrow a text area not when you type but on load. I am pulling in content from a database and dependant on the user's settings an overlay is produced over the text area, but upon doing this the text areas are not scrollable therefore I need to autosize these to show all the text. I have tried scrollHeight but this is not working great as there are multiple text boxes on the screen Thanks

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  • Problem with adjacent function in prototype

    - by xain
    Hi, I have this code: <input name="rz" class="required validate-string" style="margin-left:17px" id="rz" title="Input rz value" size="23" /> <p class="msg" style="display:none;">Input rz value</p> In the head I have: Event.observe(window, 'load', function() { $$("input").each(function(field){ Event.observe(field, "focus", function(input) { input.adjacent('p.msg').show(); }); Event.observe(field, "blur", function(input) { input.adjacent('p.msg').hide(); }); }); }); The idea is that when the input get the focus, the p element appears and on blur it goes away. The problem is that neither is working, and the error console shows "input.adjacent is not a function" I'm using prototype 1.6.1 and scriptaculous 1.8.3

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  • Poll the Server with Ajax and Dojo

    - by mickthomposn
    I'm using dojo.xhrPost to sent Ajax Requests The call is wrapped by a function sendRequest() I've now to continuously (every 3sec) send the same ajax Post to the server How can I implement a Server Poll with Dojo? I basically need to call sendRequest() every 3 secs

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  • Calling a function that resides in the main page from a plugin?

    - by Justin Lee
    I want to call a function from within plugin, but the function is on the main page and not the plugin's .js file. EDIT I have jQuery parsing a very large XML file and building, subsequently, a large list (1.1 MB HTML file when dynamic content is copied, pasted, then saved) that has expand/collapse functionality through a plugin. The overall performance on IE is super slow and doggy, assuming since the page/DOM is so big. I am currently trying to save the collapsed content in the event.data when it is collapsed and remove it from the DOM, then bring it back when it is told to expand... the issue that I am having is that when I bring the content back, obviously the "click" and "hover" events are gone. I'm trying to re-assign them, currently doing so inside the plugin after the plugin expands the content. The issue then though is that is says the function that I declare within the .click() is not defined. Also the hover event doesn't seem to be re-assigning either.... if ($(event.data.trigger).attr('class').indexOf('collapsed') != -1 ) { // if expanding // console.log(event.data.targetContent); $(event.data.trigger).after(event.data.targetContent); $(event.data.target).hide(); /* This Line --->*/ $(event.data.target + 'a.addButton').click(addResourceToList); $(event.data.target + 'li.resource') .hover( function() { if (!($(this).attr("disabled"))) { $(this).addClass("over"); $(this).find("a").css({'display':'block'}); } }, function () { if (!($(this).attr("disabled"))) { $(this).removeClass("over"); $(this).children("a").css({'display':'none'}); } } ); $(event.data.target).css({ "height": "0px", "padding-top": "0px", "padding-bottom": "0px", "margin-top": "0px", "margin-bottom": "0px"}); $(event.data.target).show(); $(event.data.target).animate({ height: event.data.heightVal + "px", paddingTop: event.data.topPaddingVal + "px", paddingBottom: event.data.bottomPaddingVal + "px", marginTop: event.data.topMarginVal + "px", marginBottom: event.data.bottomMarginVal + "px"}, "normal");//, function(){$(this).hide();}); $(event.data.trigger).removeClass("collapsed"); $.cookies.set('jcollapserSub_' + event.data.target, 'expanded', {hoursToLive: 24 * 365}); } else if ($(event.data.trigger).attr('class').indexOf('collapsed') == -1 ) { // if collapsing $(event.data.target).animate({ height: "0px", paddingTop: "0px", paddingBottom: "0px", marginTop: "0px", marginBottom: "0px"}, "normal", function(){$(this).hide();$(this).remove();}); $(event.data.trigger).addClass("collapsed"); $.cookies.set('jcollapserSub_' + event.data.target, 'collapsed', {hoursToLive: 24 * 365}); } EDIT So, having new eyes truly makes a difference. As I was reviewing the code in this post this morning after being away over the weekend, I found where I had err'd. This: $(event.data.target + 'a.addButton').click(addResourceToList); Should be this (notice the space before a.addbutton): $(event.data.target + ' a.addButton').click(addResourceToList); Same issue with the "li.resource". So it was never pointing to the right elements... Thank you, Rene, for your help!!

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  • Rails and SWFUpload: Sporadic Failure on Upload and Response Issue

    - by Gimli
    I've got SWFUpload version 2.5 beta 3 attached to my Rails 2.3.2 application and it works great 75% of the time. The other 25%, I get types of failure. The first failure is a failure to upload. The activity starts, but never actually sends the file to the servers. In my JS, when setting breakpoints, it stops between setting the post params and starting the upload (last two lines below): var params = { "authenticity_token": authToken, "photo[name]": $("#photo_name").val(), "photo[description]": $("#photo_description").val(), "photo[post_id]": $("#post_id").val() }; params[keyName] = key; swfu.setPostParams(params); swfu.startUpload(); It just occurred to me that the file might not being queued, but I've got a handler attached to show the file name in a text box and that works consistently. The second issue is this: Sometimes the response string is truncated. I'm rendering a partial in Rails without a layout to show the uploaded file data in my layout. Most of the time this partial comes through fine, but sometimes it comes through as only the first line, or only parts of the first several lines. The variables seem to be coming through into the view just fine. Any ideas? Thanks!

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  • loop html table using jquery and for loop (not for each)

    - by Mandeep Singh
    I have a HTML table <table id="mytab"> <thead> <th>col1</th> <th>col2</th> </thead> <tbody> <tr> <td>1</td> <td>2</td> </tr> <tr> <td>11</td> <td>22</td> </tbody> </table> and i am writing the jquery function function LoopTable() { $row = $('#mytab tbody >tr"); //here I have successfully find all the rows. //now i want to loop on rows and find each column row for (var i=0; i<$rows.length; i++) { //need something here to find col data } what I should use to have column values from row

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  • Parsing XML with jQuery

    - by Jamie
    I've used this: $(document).ready(function () { $.ajax({ type: "GET", url: "http://domain.com/languages.php", dataType: "xml", success: xmlParser }); }); function xmlParser(xml) { $('#load').fadeOut(); $(xml).find("result").each(function () { $(".main").append('' + $(this).find("language").text() + ''); $(".lang").fadeIn(1000); }); } I used a local XML file on my computer, it works fine, but when I change the URL to an website, it just keeps loading all the time... How do I get this to work?

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  • Different actions on multiple Keydown event

    - by Billy Mitchell
    Okay, so my question (im hoping) is fairly simple. I want to know what to do so that I can create different events for the same keycode. For instance Id like to fade out a div and fade a new one in on the first keypress, then fade that one out and fade a new one in on keypress. Thanks! $(document).keydown(function() { if (event.keyCode == '40') { $('.div-1').fadeOut("slow") $('.div-2').fadeIn("slow") // I'd like this event to occur on the Second keydown $('.div-2').fadeOut("slow") $('.div-3').fadeIn("slow") } });

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  • Implemeting web-based autocomplete for structured input

    - by ravigad
    I am looking to implement web-based autocomplete for structured commands. So, for example, suppose I was trying to implement a web-based Windows command line with autocomplete, in such a case I would want to suggest all the available commands, then, once a user selects a command, all the options for that command, then if a user enters a switch (say '-' dash or '/' slash) then offer all the switches for that command and all the relevant values that can follow, and so on. All from the same text input box. If you have used version 4.0 of JIRA, I am thinking of something similar to the JQL search input box that they have implemented. I have not managed to find any tutorials that look at this scenario end-to-end (which is a shame, because it would be great to see more applications that do this). What I am looking for is some guidance on the steps needed to implement this solution: Do you have any experience implementing such a solution and if so what components did you use? Would you use a framework such as ANTLR to provide the available options to the end user? If not what would do? Sorry for raising such a general question, but my main problem is working out how the pieces fit together as opposed to, say, how to do autocomplete or how to parse/tokenize an input command...

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  • From a Maya scene to a WebGL animation, where to start?

    - by Tower
    Hi, I've got some time, and I really would like to learn to get my Maya animated scenes into WebGL. I'm not sure where to start really. It would be amazing if I could make a Canvas element and place a Maya scene into it so that it's animating. Does anyone got a tutorial or some hints? PS. Answers about 3ds Max are also welcome!

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  • PHP/JS/JQUERY: Smart method to Auto check/updating a points status

    - by Azzyh
    Hello. Hi everyone. So right now I am using me of this: function checkpoints() { var postThis = 'checker.php?userid='+ $('#user_id_points').val(); $.post(postThis, function(data){ $(".vispoints").html(data).find(".vispoints1").fadeIn("slow") }); setTimeout(checkpoints, 5000); } This function repeats each 5 seconds (sending request each 5 seconds) and running the checker.php each 5 seconds, to show how many points you got. (checker.php echo out how many points you've got in a span class vispoints1). Now isnt there a smarter method doing this, instead of sending requests like this all the time.. I mean sites like facebook and that, they dont do like this to check if you e.g got a new friend request? Hope you can help me find a better method examples would be good too.

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  • jQuery resizable() dynamic maxWidth option

    - by Vitaliy Isikov
    I have 3 columns that are resizable. When one is made wider, the one to it's left is made smaller. Essentially there are only 2 handles. Left col and Mid col. So when Mid col is made thinner, Right col expands accordingly. All three of them are contained with a 900px parent div, so the sum of all three is always 900. They have max and min widths set statically. My issue is that if you take the left handle and move it all the way to the right you're still able to use the right handle and expand the mid col past the edge of the parent div. I thought of a way to solve that issue by writing up a function that checks the widths of the columns and then subtracts left and right columns from the parent div width, I called it mWid. This leaves me with the number I want to set as the maxWidth for Mid col. Now the issue is that mWid is not gettings updated for here "maxWidth: mWid" Here is what the function for the right handle looks like: $(function() { $("#midResizable").resizable({ handles: 'e', containment: '#container', maxWidth: mWid, // gets set once, but doesn't update! WHY? minWidth: 195, resize: function(event, ui) { contWidth = $('#container').width() newWidth = $(this).width() leftWidth = $('#leftResizable').width() rightWidth = $('#rightResizable').width() $("#rightResizable").css("width", (contWidth-15)-(newWidth)-(leftWidth)+"px"); checkWid() } }); }); function checkWid() { rightWidth = $('#rightResizable').width() leftWidth = $('#leftResizable').width() contWidth = $('#container').width() mWid = (contWidth-15)-(rightWidth)-(leftWidth) }

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  • How to design app to be modular / support plugins

    - by Lee
    I'm currently in the process of refactoring my webplayer so that we'll be more easily able to run it on our other internet radio stations. Much of the setup between these players will be very similar, however, some will need to have different UI plugins / other plugins. Currently in the webplayer I do something like this in it's init(): _this.ui = new UI(); _this.ui.playlist = new Playlist(); _this.ui.channelDropdown = new ChannelDropdown(); _this.ui.timecode = ne Timecode(); etc etc This works fine but that blocks me into requiring those objects at run time. What I'd like to do is be able to add those based on the stations needs. Basically my question is, do I need to add some kind of "addPlugin()" functionality here? And if I do that, do I need to constantly check from my WebPlayer object if that plugin exists before it attempts to use it? Like... if (_hasPlugin('playlist')) this.plugins.playlist.add(track); I apologize if some of this might not be clear... really trying to get my head wrapped around all of this. I feel I'm closer but I'm still stuck. Any advice on how I should proceed with this would be greatly appreciated. Thanks in advance, Lee

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  • How can I add a function reference to an object literal

    - by rob
    I need to add binders to DOM elements after rendering is done. Therefore I want to pass a list with (ID, callback) tuples to the rendering function so it can bind it after the rendering is done. So i would like to create a list of such objects and pass it to the rendering function: {id:'#someDOMelement', callback: someObject.someFunction} and bind it after the rendering like this: $(binders[i].id).bind('click', binders[i].callback);

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  • How to Not Submit a Form Using AJAXToolkit AutoComplete Extender?

    - by deepss
    Hi I have used AJAXToolkit AutoComplete extender in my project.It works fines.But the issue is with the form of the page. when i type in the AutoComplete, i get list of suggestions.When i click on the page other than the Autocomplete, the form gets submitted. any suggestions how to stop submission of entire form whenever i click on the page?I use .net 2.0

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  • Where do current (not HTML5) browsers stand on clipboard support for non-text data?

    - by John
    I don't really know where the line is between the browser itself and HTML/JS here. But let's say I want to write a web-app where I can copy a chunk of data from MSPaint (select, CTRL+c) and paste it into a web-page in some way... ultimately the point is the data goes to the server without me having to save it as a file first. Where are the problems here - browsers or client-side technologies? For instance if JS can't do it, could Flex/Silverlight? Advice on future technology welcome, but doesn't really answer the question - where are we right now with IE/FF/Chrome and JS/Flex/SL?

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  • triggering an onchange event of a select box

    - by swathi
    Hi all, I have a select box, which i can populate using two methods. First - Just by selecting any one of the option in the select box. Second - I have a link just beside the select box.Clicking this link takes me to a page2, which has the same options but as links in page2.When i click one of them , it populates the select box. Selecting the option directly from the "select" triggers an onchange event in it. But when i click the link, select my required option from that page, it does not trigger the onchange event in the select box. I am not sure where i am doing a mistake. Thanks in advance.

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  • Create collage with multiple images

    - by Andres
    I'm having quite a challenge... I have a web page where the user clicks on images, those images have to be added together to create only one image and the user must be able to download that group of images as only one... I have no idea how to do this, any tip or info so I can start researching? Here is an example I found searching with google: In my case each of the squares of the image would be a totally different image but this Is what I have to achieve... Thanks!

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