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  • Page Loading Screen in PHP

    - by Palani
    Hi all, I am working on a Php page which loads more images,so I want to show the User as the Page is currently Loading. I have tried but it does not working correctly. The loading image should be run until all image gets load.How to implement for this?

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  • Shortest way of attaching multiple DOM elements to one event handler using Jquery?

    - by Camsoft
    I need to attach a single event handler to multiple DOM elements using jQuery. I'm currently achieving this using jQuery's each() method. See below: $([elm1, elm2, elm3]).each(function() { this.click(eventHandler); }); I was wondering if there is a way to do this without using the each method and closure. I thought I would be able to do something like: $(elm1, elm2, elm3).click(eventHandler); This kind of statement works using Prototype.js but not in jQuery.The reason I ask the question is because after using both Prototype.js and jQuery I have found that jQuery requires simpler statements to achieve the same tasks in almost every area so I assume there must be a better way of doing this?

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  • prototype/javascript - firefox not firing keypress/keydown event unless focus is in textbox

    - by Chloraphil
    The following works fine on IE6, IE7, and chrome. Not working on ff 3.0.7. <html><head> <script src="prototype.js" type="text/javascript" ></script> <script type="text/javascript"> Event.observe(window, 'load', function(){ Event.observe(document.body, 'keydown', myEventHandler); alert('window load'); }); function myEventHandler(evt) { alert(evt); } </script> </head> <body > <input type="text" /><br><br> </body></html> EDIT: By "not working" I mean myEventHandler is not firing in firefox. EDIT2: Furthermore, it works fine when focus is on the input element. I want it fire for all keydowns.

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  • Validation of textarea

    - by Hulk
    How to validate a textarea in a form.i.e, it should not be empty or have any new lines and if so raise an alert <script> function val() { //ifnewline found or blank raise an alert } </script> <form> <textarea name = "pt_text" rows = "8" cols = "8" class = "input" WRAP ></textarea> <input type=""button" onclick="val();" </form> Thanks

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  • Event Listner in php

    - by isurulucky
    Hi, I want my web server to notify me through a php page when an event occurs at a another TCP server, to which the php page has successfully connected via a socket. The event is like the TCP server want to send a message to the web server, etc. Is there any way to accomplish this and/or any references on how to do it??? Thank You!!

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  • VB Equivalent of C# Event Creation

    - by Steven
    I'm trying to extend the GridView class to always show the header and footer even when the datasource is empty. I found this website: link. However, it is written in C# but I use VB. What's the VB equivalent of line 76 (public event MustAddARowHandler MustAddARow;)?

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  • Detecting a image 404 in javascript.

    - by xal
    After a user uploads a file we have to do some additional processing with the images such as resizing and upload to S3. This can take up to 10 extra seconds. Obviously we do this in a background. However, we want to show the user the result page immediately and simply show spinners in place until the images arrive in their permanent home on s3. I'm looking for a way to detect that a certain image failed to load correctly (404) in a cross browser way. If that happens, we want to use JS to show a spinner in it's place and reload the image every few seconds until it can be successfully loaded from s3.

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  • JavaScript: input validation in the keydown event

    - by c411
    Hi, I'm attempting to do info validation against user text input in the process of keydown event. The reason that I am trying to validate in the keydown event is because I do not want to display the characters those that are considered to be illegal in the input box at the beginning. The validation I am writing is like this, function validateUserInput(){ var code = this.event.keyCode; if ((code<48||code>57) // numerical &&code!==46 //delete &&code!==8 //back space &&code!==37 // <- arrow &&code!==39) // -> arrow { this.event.preventDefault(); } } I can keep going like this, however I am seeing drawbacks on this implmentation. Those are, for example, Conditional statement become longer and longer when I put more conditions to be examined. keyCodes can be different by browsers. I have to not only check what is not legal but also have to check what are exceptionals. In above examples, delete,backspace, and arrow keys are exceptionals. But the feature that I don't want to lose is having not to display the input in the textarea unless it passes the validation. (In case the user try to put illegal characters in the textarea, nothing should appear at all) That is why I am not doing validation upon keyup event. So my question is, Are there better ways to validate input in keydown event than checking keyCode by keyCode? Are there other ways to capture the user inputs other than keydown event before browser displays it? And a way to put the validation on it? Thanks for the help in advance.

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  • C# / Winforms - Visually remove button click event

    - by Wayne Koorts
    .NET newbie alert Using Visual C# 2008 Express Edition I have accidentally created a click event for a button. I then deleted the automatically-created method code, which resulted in an error saying that the function, which had now been referenced in the form loading code, could no longer be found. Deleting the following line from the Form1.Designer.cs file's InitializeComponent() function... this.btnCopy.Click += new System.EventHandler(this.btnCopy_Click); ... seems to do the trick, however, it makes me feel very dirty because of the following warning at the beginning of the #region: /// Required method for Designer support - do not modify /// the contents of this method with the code editor. I haven't been able to find a way to do this using the form designer, which I assume is the means implied by this warning. What is the correct way to do this?

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  • No right-click event Firefox 3.6

    - by cdmckay
    I'm in the process of porting an app to JavaScript/CSS and it uses right-click. For some reason Firefox 3.6 for Windows isn't issuing a right-click event, but Chrome and IE do. Here's some test code. If you right-click #test then you get nothing in Firefox but you get an alert under Chrome and IE. <html> <head> <title>Hi</title> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script> <script type="text/javascript"> $(function(){ $("#test").get(0).oncontextmenu = function() { return false; }; $("#test").mousedown(function() { alert("hi"); }); }); </script> </head> <body> <div id="test" style="background: red;">Hi</div> </body> </html> Why isn't the right-click event being generated in Firefox?

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  • Dynamic Jquery Accordion

    - by kwek-kwek
    How do I default an accordion to be closed on start-up. here is the sample view here Here is the code: <script> $(function() { $("#accordion").tabs("#accordion div.pane", {tabs: 'h3', effect: 'slide'}); }); </script> <script> // add new effect to the tabs $.tools.tabs.addEffect("slide", function(i, done) { // 1. upon hiding, the active pane has a ruby background color this.getPanes().slideUp("slow").css({backgroundColor: "#fff"}); // 2. after a pane is revealed, its background is set to its original color (transparent) this.getPanes().eq(i).slideDown("slow", function() { $(this).css({backgroundColor: 'transparent'}); // the supplied callback must be called after the effect has finished its job done.call(); }); }); </script>

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  • Buttons OnClick Event not firing when it causes a textboxes onChange event to fire first

    - by user48408
    I have a few textboxes and button to save their values on a webpage. The onchange event of the textboxes fires some js which adds the changed text to a js array. The ok button when clicked flushes this to the database via a webservice. This works fine except when the onchange event is caused by clicking the ok button. In this scenario the onchange of the textboxes still fires but the onClick event of the button does not. Any ideas? textboxes look something like <input name="ctrlJPView$tbcTabContainer$Details$JP_Details_Address2Text" type="text" value="test" id="ctrlJPView_tbcTabContainer_Details_JP_Details_Address2Text" onchange="addSaveDetails('Jobs###' + document.getElementById('ctrlJPView_tbcTabContainer_Details_JP_Details_Address2Text').value + ');" style="font-size:8pt;Left:110px;Top:29px;Width:420px;Height:13px;Position:absolute;" /> My save button <input type="button" name="ctrlJPView$btnOk" value="OK" onclick="saveAmendments();refreshJobGrids();return false;__doPostBack('ctrlJPView$btnOk','')" id="ctrlJPView_btnOk" class="ControlText" style="width:60px;" /> UPDATE: I guess this comes down to one of two things. 1) Something is happening before the onClick of the button gets called to surpress that call such as an inadvertent return false; or 2) the onClick event isn't firing at all. Now I've rem'd out everything actually inside the functions that are being called beforehand but the problem persists. But if i remove the call altogether it works (???)

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  • How to test if raising an event results in a method being called conditional on value of parameters

    - by MattC
    I'm trying to write a unit test that will raise an event on a mock object which my test class is bound to. What I'm keen to test though is that when my test class gets it's eventhandler called it should only call a method on certain values of the eventhandlers parameters. My test seems to pass even if I comment the code that calls ProcessPriceUpdate(price); I'm in VS2005 so no lambdas please :( So... public delegate void PriceUpdateEventHandler(decimal price); public interface IPriceInterface{ event PriceUpdateEventHandler PriceUpdate; } public class TestClass { IPriceInterface priceInterface = null; TestClass(IPriceInterface priceInterface) { this.priceInterface = priceInterface; } public void Init() { priceInterface.PriceUpdate += OnPriceUpdate; } public void OnPriceUpdate(decimal price) { if(price > 0) ProcessPriceUpdate(price); } public void ProcessPriceUpdate(decimal price) { //do something with price } } And my test so far :s public void PriceUpdateEvent() { MockRepository mock = new MockRepository(); IPriceInterface pi = mock.DynamicMock<IPriceInterface>(); TestClass test = new TestClass(pi); decimal prc = 1M; IEventRaiser raiser; using (mock.Record()) { pi.PriceUpdate += null; raiser = LastCall.IgnoreArguments().GetEventRaiser(); Expect.Call(delegate { test.ProcessPriceUpdate(prc); }).Repeat.Once(); } using (mock.Playback()) { test.Init(); raiser.Raise(prc); } }

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  • Get values of textareas generated dynamically

    - by Hulk
    In the below code,the textaraes are generated dynamically ,now how to get these values for validations in valid() function.. <script> function valid() { //get all textarea vales for validation } function add(col_det) { var row = '<tr>'; row += '<td>'; row += '<textarea rows = "8" cols = "8" class = "input" WRAP id="row_details'+r_count+'" name ="row_details'+r_count+'"></textarea>'; row += '</td>'; for (var i=0;i<col_det.length;i++) { row += '<td> <div id = "div_content_bold"> <textarea rows = "2" cols = "8" class = "input" id="c_details'+c_count+'" name="col_details'+l_count+'" WRAP ></textarea> </div> </td>'; } row += '<td></td>'; row += '</tr>'; return row; } $(document).ready(function() { var cnt = '<input type="text" name="title" id="title" ><br><br>'; cnt += '<table cellspacing="0" cellpadding="0" border="1" width="100%" id="l_table">'; cnt += '<tr>'; cnt += '<th width="30%">Category</th>'; cnt += headers(col_data); cnt += '<th width="10%">Grade obtained</th>'; cnt += '</tr>'; for(var i=0;i<criteria;i++) { cnt += add(col_data,i); } cnt += '</table>'; $('#content').append(cnt); }); </script> <form action="create/" method="post" name="aa"> <div id="content"></div> <table> <tr><td> <input type="submit" value="Save" id="Save" onclick="javascript:var ret=validate(row_c,c_count);return ret;"/></td></tr> Thanks....

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  • javascript textbox call event when value changes

    - by Senica Gonzalez
    I have a textbox, and whenever the value of the box changes, I want to check and see if 20 digits have been entered. I thought that I would use the onChange event, but this seems to be interpreted as the onBlur event on IE. So then I thought I would use onKeyDown, but the problem comes in if the user wants to paste a value into the field, then the function never gets called. There are no other form boxes so I can't rely on onBlur or expect that they will change focus ever. How do I do this? I just want to evaluate the value of the textbox everytime the value of the textbox changes. <input type="text" onKeyDown="myfunction()">

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  • Calling javascript class within other Js

    - by harigm
    I have Aptana plugin in eclipse, I have a javascript (one.js) and i have included one more Javscript(two.js) within one.js. I click on any functions within one.js and if those functions exists in the same one.js, the control is going to the respective function. Suppose if the function exists in two.js, the control is not going to two.js Can any one help me with this?

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  • IE8 (compatibility mode) won't load my Ajax content

    - by Jens Roland
    Hi all - I am working on a jQuery script on http://www.qxl.dk/ and I can't seem to get IE7 (or more accurately, IE8 in IE7 compatibility mode) to load my content. The sidebar box on the right named "QXL Aktuelt" loads its HTML content from an external file using Ajax load(), then triggers a custom jQuery event ("aktuelt_loaded") that starts a carousel script (like a scrolling newsticker). Several other content sections on the same page are loaded through Ajax and they work just fine, so I'm wondering what's going wrong. Everything works as expected in Firefox 3.6 and IE8, but not in IE8's compatibility mode. The script that loads the Ajax content is (inline on the page): <div id="qxlaktueltHolder"></div> <script type="text/javascript"> $("#qxlaktueltHolder").load("/contents/dk/modul/qxlaktuelt/qxlaktuelt.htm", function() { $("#qxlaktueltHolder").trigger("qxlaktuelt_loaded", []); }); </script> <script type='text/javascript' src='http://www.qxl.dk/contents/dk/js/jcarousellite_1.0.1.min.js'></script> <script type='text/javascript' src='http://www.qxl.dk/contents/dk/js/qxlaktuelt_liveload.js'></script> The external script that responds to the event is in the following file: http://www.qxl.dk/contents/dk/js/qxlaktuelt_liveload.js All ideas are very welcome.

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  • Javascript onunload form submit isn't submitting data

    - by Kevin
    I currently have form that checks if a user has unsubmitted changes when they leave the page with a function called through the onunload event. Here's the function: function saveOnExit() { var answer = confirm("You are about to leave the page. All unsaved work will be lost. Would you like to save now?"); if (answer) { document.main_form.submit(); } } And here's the form: <body onunload="saveOnExit()"> <form name="main_form" id="main_form" method="post" action="submit.php" onsubmit="saveScroll()"> <textarea name="comments"></textarea> <input type="submit" name="submit2" value="Submit!"/> </form> I'm not sure what I'm doing wrong here. The data gets submitted and saved in my database if I just press the submit button for the form. However, trying to submit the form through the onunload event doesn't result in anything being stored, from what I can tell. I've tried adding onclick alerts to the submitt button and onsubmit alerts to the form elements and I can verify that the submit button is being triggered and that the form does get submitted. However, nothing gets passed stored in the database. Any ideas as to what I'm doing wrong? Thanks.

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  • detect focus on browser address bar?

    - by jedierikb
    Is there a way to detect when focus has been put onto the address-bar or the browser-search-bar? I ask because I am trying to keep focus on one element in my document, but adding a blur() listener to that element works too well in safari mac -- you can't put focus on the address-bar!

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  • add remove field in java script

    - by rajanikant
    Hi every body. i want to add and remove some html input in javascript i have done for add function . it work properly. but unable to remove. my code is following fields = 1; function addInput() { if (fields != 10) { document.getElementById('text').innerHTML += "<tr><td width='15%' align='left' valign='top' class='subheading'><input type='text' name='date[]' id='date[]' /></td><td width='15%' align='left' valign='top' class='subheading'><input type='text' name='time[]' id='time[]' /></td><td width='20%' align='left' valign='top' class='subheading'><input type='text' name='module[]' id='module[]' /></td><td width='15%' align='left' valign='top' class='subheading'><input type='text' name='organisation[]' id='organisation[]' /></td><td width='20%' align='left' valign='top' class='subheading' nowrap='nowrap'><input type='text' name='category[]' id='category[]' /></td><td width='20%' align='left' valign='top' class='text' nowrap='nowrap'>Add | Remove </td></tr>"; fields += 1; } else { document.getElementById('text').innerHTML += "<br />Only 10 upload fields allowed."; document.form.add.disabled=true; } } fields1=10 function removeInput() { if (fields1 !=1) { document.getElementById('text').innerHTML += ""; fields -= 1; } } and my php function is function addSession() {?> <table cellpadding="5" cellspacing="0" width="100%"> <tr> <td width="10%" align="left" valign="top" colspan="6" bgcolor="#993333" class="heading">Add Session </span></td> </tr><tr class="bgrow"> <td width="10%" align="left" valign="top" class="subheading">Datum </span></td> <td width="20%" align="left" valign="top" class="subheading">Tijd</td> <td width="35%" align="left" valign="top" class="subheading">Module</td> <td width="15%" align="left" valign="top" class="subheading">Organisatie</td> <td width="20%" align="left" valign="top" class="subheading" nowrap="nowrap">Category</td> <td width="20%" align="left" valign="top" class="subheading" nowrap="nowrap">Action</td> </tr> <tr > <td width="15%" align="left" valign="top" class="subheading"><input type="text" name="date_0" id="date_0" /></td> <td width="15%" align="left" valign="top" class="subheading"><input type="text" name="time_0" id="time_0" /></td> <td width="20%" align="left" valign="top" class="subheading"><input type="text" name="module_0" id="module_0" /></td> <td width="15%" align="left" valign="top" class="subheading"><input type="text" name="organisation_o" id="organisation_o" /></td> <td width="20%" align="left" valign="top" class="subheading" nowrap="nowrap"><input type="text" name="cat_0" id="cat_0" /></td> <td width="20%" align="left" valign="top" class="text" nowrap="nowrap"><span onclick="addInput()" class="link">Add</span> | <span onclick="removeInput()" class="link">Remove </span></td> </tr> <tbody id="text"> </tbody> <?php } ?> can any one give me solution?

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  • Javascript onfocus event

    - by tazim
    I have textbox whose value if entered needs to be validated using some regularexpression I need to validate the value as user is entering the data. Which is suitable event can be used for this ? some sample example of using onfocus event on textbox will be helpful

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