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  • WPF and routed event

    - by user109534
    I have a WPF window, which has a button that is inside a stackPanel, which is inside another stackPanel I wrote an event handler for the button for the MouseDown event. I want to execute this eventHandler three times for the button and the parent (stack panel) and the parent's parent How can I achieve that with the routed event, by writing only one event handler? I don't want to repeat the event handler code. Thanks

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  • How to dispatch event from application to module in flex

    - by Viliam Husár
    Is there a way how modules can listen to parent application event? My current solution that works is: private function directoryRemoteObject_saveCompany_resultHandler(e:ResultEvent):void { this.directoryModuleLoader.child.dispatchEvent(new CompanyEvent(CompanyEvent.COMPANY_SAVED, e.result as int)); } this means that I need to dispatch event for every module. Isn't there better solution? Thanks.

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  • build notification in visual Studio 2008\2010 - WMI etc

    - by AWC
    I want to be notified when a build has been completed\failed in visual studio and I DO NOT want to use pre\post build steps, I want an external process or VS plugin that will count the number of builds. So is there anyway to achieve this using something like WMI or other such technology? I'm not interested in third party libaries, I want to write a plugin for visual studio.

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  • how to hook up default beforeunload event on an aspx page ?

    - by Nikhil Vaghela
    I have a custom web part placed on one of the application page in SharePoint. This page it seems already have a function which gets executed on windows beforeunload javascript event. My problem is that i too need to execute some client side code (to prompt user for any unsaved changes in my web part) on windows beforeunload event. How can i achieve this ? I mean let the default event be fired as well as call my function also ? Appreciate any help. Nikhil.

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  • How do I cancel the link action?

    - by Tobbe
    I though returning false would be enough to cancel the link action, but apparently it isn't. When I click the link in the code below I do get the 'click' message, which is expected. But I also end up at google.com, which is unexpected. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <title>Link test</title> <script> window.addEventListener('load', function () { document.getElementsByTagName('a')[0].addEventListener('click', function () { alert('click'); return false; }, false); }, false); </script> </head> <body> <a href="http://www.google.com">google</a> </body> </html> How can I make the url NOT change when clicking the link? Pure JavaScript solutions only please, no additional libraries (like jQuery). It only has to work in FireFox 3+ and Chrome.

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  • detachEvent not working with named anonymous functions

    - by Polshgiant
    I ran into a problem in IE8 today (Note that I only need to support IE) that I can't seem to explain: detachEvent wouldn't work when using a named anonymous function handler. document.getElementById('iframeid').attachEvent("onreadystatechange", function onIframeReadyStateChange() { if (event.srcElement.readyState != "complete") { return; } event.srcElement.detachEvent("onreadystatechange", onIframeReadyStateChange); // code here was running every time my iframe's readyState // changed to "complete" instead of only the first time }); I eventually figured out that changing onIframeReadyStateChange to use arguments.callee (which I normally avoid) instead solved the issue: document.getElementById('iframeid').attachEvent("onreadystatechange", function () { if (event.srcElement.readyState != "complete") { return; } event.srcElement.detachEvent("onreadystatechange", arguments.callee); // code here now runs only once no matter how many times the // iframe's readyState changes to "complete" }); What gives?! Shouldn't the first snippet work fine?

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  • Is there a way to delay an event handler (say for 1 sec) in Windows Forms

    - by Essam
    I need to be able to delay the event handlers for some controls (like a button) to be fired for example after 1 sec of the actual event (click event for example) .. is this possible by the .net framework ? I use a timer and call my code from the timer's tick event as below but I am not sure if this is the best approach ! void onButtonClick( ..) { timer1.Enabled = true; } void onTimerTick( ..) { timer.Enabled = false; CallMyCodeNow(); }

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  • Javascript timers

    - by resopollution
    I'm starting on a javascript MMORPG that will actually work smoothly. Currently, I created a demo to prove that I can move characters around and have them chat with each other, as well as see eachother move around live. http://set.rentfox.net/ Now Javascript timers are something I have not used extensively, but from what I know, correct me if I'm wrong, is that having multiple setIntervals happening at the same time doesn't really work well b/c it's all on a single thread. Lets say I wanted to have 10 different people nuking fireballs at a monster by using sprite background positioning with setInterval -- that animation would require 10 setIntervals doing repainting of the DOM for sprite background-position shifts. Wouldn't that be a big buggy? I was wondering if there was a way around all this, perhaps using Canvas, so that animations can all happen concurrently without creating an event queue and I don't have to worry about timers. Hope that makes sense, and please let me know if I need to clarify further.

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  • OpenLayers: Raise event when map is zoomed or moved by user

    - by David Pfeffer
    I'm using OpenLayers to display OpenStreetMap maps. (Though, I'd assume this should be general enough to work for any map product...) I'm displaying some very sophisticated vector overlays, and the amount and resolution of the features I'm returning from the server via GeoJSON to overlay has proven too much for many computers. What I'd like to do now instead is to only send data befitting the resolution of the current zoom, and fitting the current view port. This should be relatively easy to do using the GetResolution and CalculateBounds methods on the Map object. However, I don't know when to call these methods because I can't find a way to register a function to be called when the user pans the map (changing the view port) or zooms the map (changing the resolution and view port). How can I get a callback when the user pans or zooms the map?

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  • Is there anyway to prevent onbeforeunload event from triggering when using internet explorer

    - by newName
    I have a function that is suppose to trigger when user closes their browser and I have put the code in the "window.onbeforeunload" function. The thing is every time if I reloads the page in Internet Explorer, the onbeforeunload event will also trigger which is a problem because I only wants it to trigger only when the user closes or navigates away from the current page but not on a page refresh/reload. Therefore I'm not sure if onbeforeunload is intended to trigger even on a page refresh/reload and if it is intended to, then is there another way to work round it? Thanks

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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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  • How do you add a key handler to a GWT FlexTable?

    - by Eric Landry
    I'm trying to change the row highlighting in my FlexTable using KeyCodes.KEY_UP/DOWN. This doesn't seem to work (based on 1809155): public class KeyAwareFlexTable extends FlexTable implements KeyDownHandler, HasKeyDownHandlers { public KeyAwareFlexTable() { this.addKeyDownHandler(this); } @Override public void onKeyDown(KeyDownEvent event) { GWT.log("onKeyDown"); // check if up/down & do something useful } @Override public HandlerRegistration addKeyDownHandler(KeyDownHandler handler) { return addDomHandler(handler, KeyDownEvent.getType()); } } I've also tried this (based on this site): FlexTable table = new FlexTable() { @Override public void onBrowserEvent(Event event) { super.onBrowserEvent(event); GWT.log("Event type = " + DOM.eventGetType(event)); switch (DOM.eventGetType(event)) { case Event.ONKEYDOWN: if (DOM.eventGetKeyCode(event) == KeyCodes.KEY_UP) { GWT.log("up"); } else if (DOM.eventGetKeyCode(event) == KeyCodes.KEY_DOWN) { GWT.log("down"); } break; default: break; } } }; table.sinkEvents(Event.ONKEYDOWN); I'm looking for a way to have this behavior more or less. Does anybody have a way to do this in GWT?

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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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  • How to execute a program on PostBuild event in parallel?

    - by John
    I managed to set the compiler to execute another program when the project is built/ran with the following directive in project options: call program.exe param1 param2 The problem is that the compiler executes "program.exe" and waits for it to terminate and THEN the project executable is ran. What I ask: How to set the compiler to run both executables in paralel without waiting for the one in PostBuild event to terminate? Thanks in advance

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  • How to access the jQuery event object in a Seaside callback

    - by Mef
    Basically, I want to translate the following into Seaside Smalltalk: $(".myDiv").bind('click', function(e) { console.log(e); }); Besides that I don't want to console.log the event, but access it in my ajax callback. The most promising approach seemed to be something like html div onClick: (html jQuery ajax callback: [:v | self halt] value: (???); with: 'Foo'. But I couldn't find any way to access the event that caused the callback. Intuitively, I would try html jQuery this event for the ??? part, but the Seaside jQuery wrapper doesn't know any message that comes close to event. Any help is appreciated. There has to be away to access the event data...

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  • Simulating mouse clicks on Mac OSX does not work for some applications.

    - by Thomi
    Hi, I'm writing an App for Mac OSX 10.6 and later in C++. One part of theapp needs to simulate mouse movement and mouse clicks. I do this currently by posting CGEvent objects using CGEventPost(kCGHIDEventTap, event);. This works, for the msot part - I can simulate mouse movement and clicks just fine, but it seems to fail in some areas. For example: In Mozilla firefox & Safari, I can click on all the menus, but cannot click on a link within a website. When I try, the link is highlighted, but the browser never follows the link. However, I can right-click on a link, select "open link in new tab", and everything works as expected. I can click on the "Dashboard" icon to brink up the dashboard, but I cannot click on the "i" button on any of the dashboard widgets. This inconsistency is along application boundaries - Does anyone have any idea what the cause might be?

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  • Simulating mouse clicks on Mac OSX does not work for some applications.

    - by Thomi
    Hi, I'm writing an App for Mac OSX 10.6 and later in C++. One part of theapp needs to simulate mouse movement and mouse clicks. I do this currently by posting CGEvent objects using CGEventPost(kCGHIDEventTap, event);. This works, for the msot part - I can simulate mouse movement and clicks just fine, but it seems to fail in some areas. For example: In Mozilla firefox & Safari, I can click on all the menus, but cannot click on a link within a website. When I try, the link is highlighted, but the browser never follows the link. However, I can right-click on a link, select "open link in new tab", and everything works as expected. I can click on the "Dashboard" icon to brink up the dashboard, but I cannot click on the "i" button on any of the dashboard widgets. This inconsistency is along application boundaries - Does anyone have any idea what the cause might be?

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  • how to show image popup

    - by shamim
    http://www.kampyle.com/software-feedback-analytics On this url clicking on image it's become popup ,clicking on popup image show the next one .how to do it?*when popup show feedbace image on right corner does not hide.*how to do it? *I also want to know this process name?*

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  • Apache tiles and body onload event. Known issue?

    - by Angus
    We're prototyping a new visual framework using Apache Tiles for markup templating. Often the document onload event (actually prototype's dom:loaded event) is getting fired before all DOM objects are actually loaded Is it possible that the tiles templates are loading in an asynchronous fashion and therefore doing an end run around the event handler? Has anyone else had this experience? Can anyone share a robust workaround? thanks in advance

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  • access exception when invoking method of an anonymous class using java reflection

    - by Asaf David
    Hello I'm trying to use an event dispatcher to allow a model to notify subscribed listeners when it changes. the event dispatcher receives a handler class and a method name to call during dispatch. the presenter subscribes to the model changes and provide a Handler implementation to be called on changes. Here's the code (I'm sorry it's a bit long). EventDispacther: package utils; public class EventDispatcher<T> { List<T> listeners; private String methodName; public EventDispatcher(String methodName) { listeners = new ArrayList<T>(); this.methodName = methodName; } public void add(T listener) { listeners.add(listener); } public void dispatch() { for (T listener : listeners) { try { Method method = listener.getClass().getMethod(methodName); method.invoke(listener); } catch (Exception e) { System.out.println(e.getMessage()); } } } } Model: package model; public class Model { private EventDispatcher<ModelChangedHandler> dispatcher; public Model() { dispatcher = new EventDispatcher<ModelChangedHandler>("modelChanged"); } public void whenModelChange(ModelChangedHandler handler) { dispatcher.add(handler); } public void change() { dispatcher.dispatch(); } } ModelChangedHandler: package model; public interface ModelChangedHandler { void modelChanged(); } Presenter: package presenter; public class Presenter { private final Model model; public Presenter(Model model) { this.model = model; this.model.whenModelChange(new ModelChangedHandler() { @Override public void modelChanged() { System.out.println("model changed"); } }); } } Main: package main; public class Main { public static void main(String[] args) { Model model = new Model(); Presenter presenter = new Presenter(model); model.change(); } } Now, I except to get the "model changed" message. However, I'm getting an java.lang.IllegalAccessException: Class utils.EventDispatcher can not access a member of class presenter.Presenter$1 with modifiers "public". I understand that the class to blame is the anonymous class i created inside the presenter, however I don't know how to make it any more 'public' than it currently is. If i replace it with a named nested class it seem to work. It also works if the Presenter and the EventDispatcher are in the same package, but I can't allow that (several presenters in different packages should use the EventDispatcher) any ideas?

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  • javascript select box hanging on second select in ie7

    - by bsandrabr
    I have a drop down select box inside a div. When the user clicks on change, a dropdown box appears next to the change/submit button and the user makes a selection which then updates the db and the selection appears instead of the dropdown. All works fine in IE8 and firefox but in IE7 it allows one selection (there are several identical dropdowns) but the second time a selection is made it hangs on please wait. This is the relevant code <td width=200> <input type="button" onclick="startChanging(this)" value="Change" /></td> <script type="text/javascript"> var selectBox, isEditing = false; var recordvalue; if( window.XMLHttpRequest ) { recordvalue = new XMLHttpRequest(); } else if( window.ActiveXObject ) { try { recordvalue = new ActiveXObject('Microsoft.XMLHTTP'); } catch(e) {} } window.onload = function () { selectBox = document.getElementById('changer'); selectBox.id = ''; selectBox.parentNode.removeChild(selectBox); }; function startChanging(whatButton) { if( isEditing && isEditing != whatButton ) { return; } //no editing of other entries if( isEditing == whatButton ) { changeSelect(whatButton); return; } //this time, act as "submit" isEditing = whatButton; whatButton.value = 'Submit'; var theRow = whatButton.parentNode.parentNode; var stateCell = theRow.cells[3]; //the cell that says "present" stateCell.className = 'editing'; //so you can use CSS to remove the background colour stateCell.replaceChild(selectBox,stateCell.firstChild); //PRESENT is replaced with the select input selectBox.selectedIndex = 0; } function changeSelect(whatButton) { isEditing = true; //don't allow it to be clicked until submission is complete whatButton.value = 'Change'; var stateCell = selectBox.parentNode; var theRow = stateCell.parentNode; var editid = theRow.cells[0].firstChild.firstChild.nodeValue; //text inside the first cell var value = selectBox.firstChild.options[selectBox.firstChild.selectedIndex].value; //the option they chose selectBox.parentNode.replaceChild(document.createTextNode('Please wait...'),selectBox); if( !recordvalue ) { //allow fallback to basic HTTP location.href = 'getupdate.php?id='+editid+'&newvalue='+value; } else { recordvalue.onreadystatechange = function () { if( recordvalue.readyState != 4 ) { return; } if( recordvalue.status >= 300 ) { alert('An error occurred when trying to update'); } isEditing = false; newState = recordvalue.responseText.split("|"); stateCell.className = newState[0]; stateCell.firstChild.nodeValue = newState[1] || 'Server response was not correct'; }; recordvalue.open('GET', "getupdate.php?id="+editid+"&newvalue="+value, true); recordvalue.send(null); } } </script> If anyone has any idea why this is happening I'd be very grateful

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  • How to add event listners / signals to a simple superman class?

    - by Kabumbus
    I can and would love to use boost or std for this. Sorry - I am new to C++. So I created a really simple program like: #include <iostream> #include <string> using namespace std; class superman { public: string punch(){return cout << "superman: I hit the bad guy!" << endl;}; }; int main() { superman clark; clark.punch(); cin.get(); } I want to add an event listner that would tell me when clark punched and cout something like "superman punched!". How to add such event listner and event function to my class?

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