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  • view-port resize vs document resize in IE

    - by mkoryak
    window.resize event in IE doesnt do what i thought it does. I thought it only triggered when the physical window/view-port changed size (ie user hits maximize on the browser window for example), but it is also triggered if i change the document size, introducing scroll bars. is there any way to tell those two things apart: view port resize, and document resize without writing an elaborate hack?

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  • Delphi: How to call a method when i click a control?

    - by Ian Boyd
    i have a method: procedure Frob(Sender: TObject); that i want to call when i click a menu item. The method comes to me though an interface: animal: IAnimal; IAnimal = interface procedure Frob(Sender: TObject); end; The question revolves around what to assign to the OnClick event handler of a menu item (i.e. control): var animal: IAnimal; ... begin ... menuItem := TMenuItem.Create(FileMenu) menuItem.Caption := 'Click me!'; menuItem.OnClick := <-------- what to do ... end; The obvious choice, my first attempt, and the wrong answer is: menuItem.OnClick := animal.Frob; So how can i call a method when user clicks a control? See also Why doesn't it work?

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  • Do not fire 'zoom_changed' event when calling fitBounds function on map

    - by Encore PTL
    Is there a way to prevent the zoom_change event from being triggered if it occurs due to fitBounds() ? I am having an issue where I need to do a search on the server from client when there is a zoom change to map but every time I call fitBounds() it causes zoom_change to trigger which causes the client to do another search on the server. I am only interested in zoom_change done by users and not programmatically using fitBounds.

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  • Youtube video on load through Jquery/JS

    - by jonthecoder2346
    My goal is to display a youtube video through a javascript function that will read the embedded code and load the video automatically in the div assigned. But I am not getting anything shown in the div assigned for the video. Is it because it has to be triggered by a button click? <script type="text/javascript"> var last_cnad_text_1 = ''; var options_cnad_text_1 = { embedMethod:'fill', maxWidth:320, maxHeight: 320 }; function loadVideo() { val = $('#cnad_text_1').val(); if ( val != '' && val != last_cnad_text_1 ) { last_cnad_text_1 = val; $("#embed_cnad_text_1").oembed(val,options_cnad_text_1); } } $(function(){ $('#cnad_text_1').keydown(loadVideo()); $('#cnad_text_1').click(loadVideo()); $('#cnad_text_1').change(loadVideo()); }); </script> <body> <input id="cnad_text_1" type="text" value="" size="60" name="cnad[text_1]"> <div id="embed_cnad_text_1"></div> </body> </html>

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  • Image container instead of event object in image load event handler

    - by avok00
    I stumbled upon a very strange thing. In FF 3.6 (not tested others yet) I add onload handler to an image like this: imgRef.addEventListener("load", activateLink, false); When load event fires, in activateLink(evt) the evt paramater is not an event, but the "a" tag that contains the image. Why is this? function activateLink(evt) { // evt turns out to be a refference to <a> tag (HTMLAnchorElement) that contains the image. // Actually two of them. Both dynamically added with addElement. } I remembered another fact that may be relevant. I have multiple images with the same src that all have registered this same event handler activateLink. Could this be the problem?

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  • Validating a text box value using javascript

    - by swathi
    Hi all, I have a textbox.The user will be entering entering a number in this box.The user should enter two digits followed by a period "." and another digit.It would look something like 22.3 or 00.5 or 01.2. If the textbox is not empty,I want to enforce a function which validates the value entered by the user(and gives them an alert if the value entered is not according to the format mentioned above) .This function needs to be triggered when the textbox loses its focus.I am not sure how to go ahead in writing this function as i am still new to this. Any help would be appreciated.Thanks in advance. p.s This function should be triggered each time there is a change in the value.Like suppose, the user enters a value 22, then when the textbox loses its focus,the javascript function should be triggered giving them an alert asking the user to change it to the accepted format which is 22.0.The function should be triggered again when the textbox loses its focus(after the change has been done).This time there would not be an alert since the user entered it in the right format.

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  • jquery question

    - by OM The Eternity
    I am using the Jquery library to copy the text enter in one textfield to another textfield using a check box when clicked.. which is as follows <html> <head> <script src="js/jquery.js" ></script> </head> <body> <form> <input type="text" name="startdate" id="startdate" value=""/> <input type="text" name="enddate" id="enddate" value=""/> <input type="checkbox" name="checker" id="checker" /> </form> <script> $(document).ready(function(){ $("input#checker").bind("click",function(o){ if($("input#checker:checked").length){ $("#enddate").val($("#startdate").val()); }else{ $("#enddate").val(""); } }); } ); </script> </body> </html> now here i want the check box to be selected by default, so that the data entered in start date get copied automatically as check box is checked by default... so what event should be called here in jquery script? please help me in resolving this issue...

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  • Issue in CheckedChanged event

    - by Gaddigesh
    I have a check box and I have subscribed for the CheckedChanged event. The handler does some operations in there. I check and uncheck the checkbox programmatically (ex: chkbx_Name.Checked = true), and the CheckedChanged event gets fired. I want this event to be fired only when I manually check or uncheck it. Is there any way to avoid firing of this event when i check/uncheck it programmatically?

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  • WithEvents LinkedList is it Impossible?

    - by serhio
    What is the optimal approach to a WithEvents Collection - VB.NET? Have you any remarks on the code bellow (skipping the Nothing verifications)? The problem is when I obtain the LinkedListNode(Of Foo) in a For Each block I can set myNode.Value = something, and here is a handlers leak... -Could I override the FooCollection's GetEnumerator in this case? -No. :( cause NotInheritable Class LinkedListNode(Of T) Class Foo Public Event SelectedChanged As EventHandler End Class Class FooCollection Inherits LinkedList(Of Foo) Public Event SelectedChanged As EventHandler Protected Overloads Sub AddFirst(ByVal item As Foo) AddHandler item.SelectedChanged, AddressOf OnSelectedChanged MyBase.AddFirst(item) End Sub Protected Overloads Sub AddLast(ByVal item As Foo) AddHandler item.SelectedChanged, AddressOf OnSelectedChanged MyBase.AddLast(item) End Sub ' ------------------- ' Protected Overloads Sub RemoveFirst() RemoveHandler MyBase.First.Value.SelectedChanged, _ AddressOf OnSelectedChanged MyBase.RemoveFirst() End Sub Protected Overloads Sub RemoveLast(ByVal item As Foo) RemoveHandler MyBase.Last.Value.SelectedChanged, _ AddressOf OnSelectedChanged MyBase.RemoveLast() End Sub ' ------------------- ' Protected Sub OnSelectedChanged(ByVal sender As Object, ByVal e As EventArgs) RaiseEvent SelectedChanged(sender, e) End Sub End Class

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  • How do I stop a page from unloading (navigating away) in JS?

    - by Natalie Downe
    Does anyone know how to stop a page from reloading or navigating away? jQuery(function($) { /* global on unload notification */ warning = true; if(warning) { $(window).bind("unload", function() { if (confirm("Do you want to leave this page") == true) { //they pressed OK alert('ok'); } else { // they pressed Cancel alert('cancel'); return false; } }); } }); I am working on an e-commerce site at the moment, the page that displays your future orders has the ability to alter the quantities of items ordered using +/- buttons. Changing the quantities this way this doesn't actually change the order itself, they have to press confirm and therefore committing a positive action to change the order. However if they have changed the quantities and navigate away from the page I would like to warn them they are doing so in case this is an accident, as the changed quantities will be lost if they navigate away or refresh the page. In the code above I am using a global variable which will be false by default (its only true for testing), when a quantity is changed I will update this variable to be true, and when they confirm the changes I will set it to false. If warning is true and the page is unloaded, I offer them a confirmation box, if they say no they would like to stay on this page I need to stop it from unloading. return false isn't working, it still lets the user navigate away (the alerts are there for debugging only) Any ideas?

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  • mootools event listener disappears after element.innerHTML is changed

    - by baiano
    I putting together a page that will display a set of stored values. I am using mootools and AJAX calls to update the values without needing to refresh the page each time the user selects a new item from the drop down menus. the HTML each line looks something like: <div class="selections"> <input class="checkbox selector" type="checkbox" CHECKED /> <span class="b_name"> <select class="b_n selector"> <!-- options --> </select> </span> <span class="b_level"> <select class="b_l selector"> <!-- options --> </select> </span> <span class="values"> <!-- the values --> </span> In the head I have set up an event listener like: $$('.selector').addEvent('change', function(event){changeValues(this);}); My problem is that when the "b_name" select changes I have to update the list of options in the "b_level" select. I accomplish that by getting a list of the possible options from my database through a php script on another page and replacing "b_level"'s innerHTML. Once I do that, the event listener attached to "b_l selector" no longer works. I tried to resolve this issue by explicitly attaching an event listener to "b_l selector" each time "b_name" changes like so: row.getElement('.b_l').addEvent('change', function(event){changeValues(row.getElement('.b_l'));}); where 'row' is the html element 'div.selections'. It still isn't working and I have no idea what's going on. Can anyone offer a suggestion as to how I can get this resolved? or perhaps a better way to do what I'm doing. Thanks

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  • Hooking a synchronous event handler on a form submit button in JS

    - by Xzhsh
    Hi, I'm working on a security project in javascript (something I honestly have not used), and I'm having some trouble with EventListeners. My code looks something like this: function prevclick(evt) { evt.preventDefault(); document.loginform.submitbtn.removeEventListener('click',prevclick,false); var req = new XMLHttpRequest(); req.open("GET","testlog.php?submission=complete",false); req.send(); document.loginform.submitbtn.click(); //tried this and loginform.submit() } document.loginform.submitbtn.addEventListener('click',prevclick,false); But the problem is, the submit button doesn't submit the form on the first click (it does, however, send the http request on the first click), and on the second click of the submit button, it works as normal. I think there is a problem with the synchronization, but I do need to have the request processed before forwarding the user to the next page. Any ideas on this would be great. Thanks in advance.

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  • image onclick event not working

    - by heart_throbber
    im tryin to make a onclick event for my image, but its not workin..the alert is not showing up.. $(document).ready(function(){ $('img.closeAttrIcon').click(function(){ alert("ww"); }); }); even if i try like this with ..bind.. no hope... $(document).ready(function(){ $('img.closeAttrIcon').bind('click',function(){ alert("ww"); }); }); the html will be created during this event: $('a#btnAddStdntAttr').click(function(){ var newAttr = '<div class="attrParent"><br class="clear"><label></label><input type="text" id="stdntAttributeKey1" maxlength="250" style="width: 13%;" name="stdntAttributeKey1"/>'; newAttr+= '<input type="text" id="stdntAttributeValue1" maxlength="250" style="width: 13%;" name="stdntAttributeValue1"/>'; newAttr+= '<img src="<c:url value="/static/images/closeIcon.png"/>" onclick="removeStdntAttr();" class="closeAttrIcon" alt="Close" title="Close" /></div>'; $(this).after(newAttr); }); what am i doing wrong here..please help..

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  • Call event from original thread ??

    - by user311883
    Hi all, Here is my problem, I have a class which have a object who throw an event and in this event I throw a custom event from my class. But unfortunately the original object throw the event from another thread and so my event is also throw on another thread. This cause a exception when my custom event try to access from controls. Here is a code sample to better understand : class MyClass { // Original object private OriginalObject myObject; // My event public delegate void StatsUpdatedDelegate(object sender, StatsArgs args); public event StatsUpdatedDelegate StatsUpdated; public MyClass() { // Original object event myObject.AnEvent += new EventHandler(myObject_AnEvent); } // This event is called on another thread private void myObject_AnEvent(object sender, EventArgs e) { // Throw my custom event here StatsArgs args = new StatsArgs(..........); StatsUpdated(this, args); } } So when on my windows form I call try to update a control from the event StatsUpdated I get a cross thread exception cause it has been called on another thread. What I want to do is throw my custom event on the original class thread, so control can be used within it. Anyone can help me ?

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  • MooTools request fails

    - by acoder
    Hi everyone, I am trying to achieve this task using MooTools. Description: I have three buttons. Two buttons outside myDiv and one button inside myDiv. A click on any of these buttons initiates an AJAX request (passing button variable to "button.php") and updates myDiv content based on the response text. So, after update, myDiv shows Button3 link + a message showing which button has been clicked. The problem: Everything seems to work fine but after several clicks, it happens that myDiv shows loader.gif image and stops. After this, if I wait a few moments, the browser sometimes stops working (gets blocked). I noticed this problem with IE6. Does anyone know what does this problem mean and how it can be avoided? index.html <html> <head> <script type="text/javascript" src="mootools/mootools-1.2.4-core-nc.js"></script> <script type="text/javascript" src="mootools/mootools-1.2.4.4-more.js"></script> <script type="text/javascript"> window.addEvent('domready', function() { $("myPage").addEvent("click:relay(a)", function(e) { e.stop(); var myRequest = new Request({ method: 'post', url: 'button.php', data: { button : this.get('id'), test : 'test' }, onRequest: function() { $('myDiv').innerHTML = '<img src="images/loader.gif" />'; }, onComplete: function(response) { $('myDiv').innerHTML = response; } }); myRequest.send(); }); }); </script> </head> <body> <div id="myPage"> <a href="#" id="button1">Button1</a> <a href="#" id="button2">Button2</a> <div id="myDiv"> <a href="#" id="button3">Button3</a> </div> </div> </body> </html> button.php <a href="#" id="button3"Button3</a> <br><br> <?php echo 'You clicked ['.$_REQUEST['button'].']'; ?>

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  • javascript :Object doesn't support this property or method

    - by Kaushik
    In my jsp page, I have in the tag, the following code: <script type="text/javascript" src="<%=request.getContextPath()%>/static/js/common/common.js"></script> <script type="text/javascript"> // Function for Suppressing the JS Error function silentErrorHandler() {return true;} window.onerror=silentErrorHandler; </script> If there is some javascript executing on the jsp page after this, then I guess silentErrorHandler() will have no effect. i.e. the error will still show on page. IS this correct? Because the error is showing and am not sure why. The second part of the question is this: The error is Webpage error details User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.2; AskTbFXTV5/5.9.1.14019) Timestamp: Fri, 7 Jan 2011 21:26:23 UTC Message: Object doesn't support this property or method Line: 613 Char: 1 Code: 0 URI: http://localhost:9080/Claris/static/js/common/common.js And finally, line 613 states document.captureEvents(Event.MOUSEUP); There is error on IE8. Runs fine on Mozilla and IE7. Any suggestions will be very helpful

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  • What's a good way to throw and handle events in PHP?

    - by techexpert
    Hi everyone, I am just trying to get a general idea about the event prcessing mechanism in PHP5 in as neat way as possible. First of all I understand that a PHP application is not exactly a persistent type, so the events may not make a lot of sense, but from the OO perspective it might be a very elegant way to "communicate" between the objects. So I am thinking that it would make sense to separate the events on the external events, such as $_POST & $_GET and the internal ones, i.e. function callbacks. As far as the external ones, is it a good idea to process the $_GETs and $_POSTs directly, or is it better to wrap them into an event of some sort? Also, in order to process the internal events, do you have to pass the reference to the event handler/dispatcher to each class so they know how to throw them? I was thinking to use the PEAR EventDispatcher to do the work, but I am open to other suggestions. Thank you!

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  • What's wrong with addlistener... how do i fire my event

    - by KoolKabin
    I am using the following functions to do my task. It works fine when cursor moves away from textbox but if i want to fire the same event from code say like next function i get error... function addEvent( obj, type, fn ) { if (obj.addEventListener) { obj.addEventListener( type, fn, false ); } else if (obj.attachEvent) { obj["e"+type+fn] = fn; obj[type+fn] = function() { obj"e"+type+fn; } obj.attachEvent( "on"+type, obj[type+fn] ); } else { obj["on"+type] = obj["e"+type+fn]; } } function addEventByName(ObjName, event, func){ MyEle = document.getElementsByName(ObjName); addEvent(MyEle[0], event, func); } addEventByName("txtBox", 'blur', function(){ alert('hello'); }); function fire(){ x = document.getElementsByName('txtBox')[0]; x.blur(); //gives error x.onblur(); //gives error }

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  • Wxpython cut copy paste and openfiledialog...

    - by Marius
    i have a web browser made in python with menu. in one menu i have cut copy paste but no functionality and i need to make them work. i need an example of class oncopy.(event menu) Open file i manage to work like this .takes file and print on screen the link to that file but how can make open dialog to open a file at least one type of file?

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  • how to count checked checkboxes in different divs

    - by KMKMAHESH
    <head><title>STUDENT WISE EXAM BACKLOGS DISPLAY FOR EXAM REGISTRATION</title> <style type="text/css"> th { font-family:Arial; color:black; border:1px solid #000; } thead { display:table-header-group; } tbody { display:table-row-group; } td { border:1px solid #000; } </style> <script type="text/javascript" > function check_value(year,sem){ ysem="ys"+year+sem; var reg=document.registration.regulation.value; subjectsys="subjects"+year+sem; amountsys="amount"+year+sem; if(year==1){ if(sem==1){ var value_list = document.getElementById("ys11").getElementsByTagName('input'); } if(sem==2){ var value_list = document.getElementById("ys12").getElementsByTagName('input'); } }elseif(year==2){ if(sem==1){ var value_list = document.getElementById("ys21").getElementsByTagName('input'); } if(sem==2){ var value_list = document.getElementById("ys22").getElementsByTagName('input'); } }elseif(year==3){ if(sem==1){ var value_list = document.getElementById("ys31").getElementsByTagName('input'); } if(sem==2){ var value_list = document.getElementById("ys32").getElementsByTagName('input'); } }elseif(year==4){ if(sem==1){ var value_list = document.getElementById("ys41").getElementsByTagName('input'); } if(sem==2){ var value_list = document.getElementById("ys42").getElementsByTagName('input'); } } values = 0; for (var i=0; i<value_list.length; i++){ if (value_list[i].checked) { values=values+1; } } document.getElementById(subjectsys).value=values; if (values=="0") { document.getElementById(amountsys).innerHTML=""; return; } if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp=new XMLHttpRequest(); } else {// code for IE6, IE5 xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange=function() { if (xmlhttp.readyState==4 && xmlhttp.status==200) { document.getElementById(amountsys).innerHTML=xmlhttp.responseText; } } xmlhttp.open("GET","fee.php?year="+year+"&reg="+reg+"&sem="+sem+"&sub="+values,true); xmlhttp.send(); } </script> </head> <form id="registration" name="registration" action=subverify.php method=POST></br></br> <center> Backlog Subjects for <b>08KN1A1219</b> </br></br> <table border='1'><tr> <th width='40'>&nbsp;</th><th width='90'>Regulation</th><th width='40'>Year</th> <th width='40'>Sem</th><th width='350'>Subname</th> <th width='70'>Internals</th><th width='70'>Externals</th> </tr><div id="ys41"><tr> <td width='40'><center><input type="checkbox" name="sub[]" value="344" onclick="check_value(4,1)"></center></td> <td width='90'><center>R07</center></td><td width='40'><center>4</center></td><td width='40'><center>1</center></td> <td width='350'>EMBEDDED SYSTEMS</td><td width='70'><center>18</center></td> <td width='70'><center>17</center></td></tr><tr><td colspan=5 align=right><b>Subjects: </b><input size=2 type=textbox id=subjects41 name=subjects41 value=0 maxlength=2 readonly=readonly></td> <td align=right><b>Amount :</b></td> <input type='hidden' name='regulation' id=regulationsubjects41 value='R07'> <td><div id="amount41"><input type="textbox" name="amountval41" value="0" size="5" maxlength="5" readonly="readonly"></div></td></tr></div><div id="ys42"><tr> <td width='40'><center><input type="checkbox" name="sub[]" value="527" onclick="check_value(4,2)"></center></td> <td width='90'><center>R07</center></td><td width='40'><center>4</center></td><td width='40'><center>2</center></td> <td width='350'>DESIGN PATTERNS</td><td width='70'><center>12</center></td> <td width='70'><center>14</center></td></tr><tr><td colspan=5 align=right><b>Subjects: </b><input size=2 type=textbox id=subjects42 name=subjects42 value=0 maxlength=2 readonly=readonly></td> <td align=right><b>Amount :</b></td> <input type='hidden' name='regulation' id=regulationsubjects42 value='R07'> <td><div id="amount42"><input type="textbox" name="amountval42" value="0" size="5" maxlength="5" readonly="readonly"></div></td></tr></div><tr><td colspan=7><center><b><div id="maintotal"><input type="textbox" name="maintotal" value="0" size="5" maxlength="5" readonly="readonly"></div></center></b></td></tr><tr></tr></table></br></br> <center><input type='hidden' name='htno' value='08KN1A1219'> <input type='submit' value='Register'></center></form></br> this is a output of a php file with using dynamic data in the form i want to count only the checkboxes in the div and it has to display in that subjectsdiv like subjects41 and subjects42 can any one please help me to update this javascript it passes some ajax request for displaying the fee

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  • Unit Test Event Handler

    - by Thomas Tran
    I got this event handle and how can I do unit test for this public class MyLearningEvent { private event EventHandler _Closed; public event EventHandler Closed { add { _Closed -= value; _Closed += value; } remove { _Closed -= value; } } public void OnClosed() { if (_Closed != null) _Closed(this, EventArgs.Empty); } } Just modified code so that much clear Thanks

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