Flex :: Double Click Event Propagation On Datagrid Dependent On Component Order?
Mar 21, 2010
I'd like to have a double click event on a datagrid in Flex3. The following example only works if the Accordion (id = "mustBeSecond") container comes after the DataGrid. Why is the order of the components important and what can I do to prevent this behavior? (The example does not work. If you change the order of "mustBeSecond" and gridReportConversions" the example works fine)
<mx:Script>
<![CDATA[
import mx.controls.Alert;
[code].....
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Jan 20, 2011
I have a couple of Sprites on my screen and I want to write a single event handler to handle the double click on any of those Sprites. The following approach works for every event type except DOUBLE_CLICK:
[Code]...
To make it work, because in my application I will have lots of Sprites. In my opinion, a single event and the target property are more efficient than hundreds of event listeners. Am I right or should add event listeners to every Sprite?
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Apr 3, 2006
Right now iam working on dataGrid component.There is an event for cell press :
Code:
listenerObject = new Object();
listenerObject.cellPress = function(eventObject){
[code]......
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Jul 24, 2009
I have a custom component made up of a selectable control (radio button)and a text input. I want to perform some logic in response to the change events from both of those controls, but after that I want anything that is registered on the composite component's change handler to have a change to handle the events as well. The problem is, when I re-dispatch the events the event target has changed to my custom component, losing the originating event's target.
Here's my custom component:
<?xml version="1.0" encoding="utf-8"?>
<mx:HBox xmlns:mx="http://www.adobe.com/2006/mxml" label="{listItem.@text}" data="{listItem.@level.toString()}">
<mx:Script>
[code].....
In the event handler that receives change events from this component, I see that event.target is an instance of SpecifyRadioButton, not the TextInput or RadioButton, as I'd expect. How should I propagate the event to get what I want here?
Getting event [Event type="change" bubbles=false cancelable=false eventPhase=2]
from question0.tabSurvey.questionForm.questionContainer.Single94.VBox95.SpecifyRadioButton111
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Mar 29, 2012
I want to listen both click and double click events for advanced data grid in flex. I have given double click enabled true and written the function in itemdoubleclick but only click is working but not itemdoubleclick
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Jan 20, 2011
I have an advanced datagrid that has a grouping on it. With the items inside of the grouping I have it setup where you double click on an item and it will create a popup that allows the user to edit that entry. The problem that I am having is that I can double click on the group title and the popup is activated with blank information.[code]...
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May 13, 2011
I am currently working with a drawing tool for a mapping API, and every time I double-click the mouse a map service will perform a measurement and display the length of the line that I am drawing.
I want to mimic this double-click manually by dispatching a MouseEvent.DOUBLE_CLICK, but the map service is not listening to this default Flex event. I suspect that the API has created a custom MapMouseEvent or something like it that is being dispatched when a user double-clicks the mouse.
Is there a way to determine which event is being dispatched when I double-click the mouse?
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Feb 3, 2011
can i define a flash event as double click or single click
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Feb 3, 2012
I want to add a Single Clcik event and Double click event both on the same movie clip in as3 , its working but call both the event same time so how to fix it
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Jul 21, 2011
I know that datagrid can detect changes of single mouse click with
//add listener
myDataGridList.addEventListener(Event.CHANGE, myDataGridListChange);
public function myDataGridListChange(e:Event):void{
trace(myDataGridList.selectedItem.id);
}
but can they detect double mouse click?My purpose of doing this is that, if the user double click on a datagrid row, I need it to return me value of myDataGridList.selectedItem.id, so that I'm able to continue to proceed to the next stage of my game.
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Feb 25, 2010
Why we need to use event Propagation?
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Apr 15, 2012
Flex data grid has 1 default row created. When user clicks on the second row, a new row needs to be created and made editable.
Here is what works already - user tabs over the columns and when the user tabs while in the last column, a new row is created with default values.
Here is also what already works - user click a button outside the grid, which adds a new row.
(itemEditBegin and itemEditEnd have been implemented)
Here is what does NOT work: When I "single click" on the second row (no data yet - row is null), how do I detect that the currently clicked row is the second row and make it editable? Can I figure out the rowIndex from MouseEvent and use this to add a new row?
Find code below:
<mx:DataGrid id="myGrid" editable="true" click="clickEvent(event)"
itemEditEnd="endEdit(event)" itemEditBegin="beginEdit(event)" variableRowHeight="true" >
[Code]....
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Dec 18, 2009
I have a custom TitleWindow component that is registered to listen for keyboard events from the user (so that esc closes the window, enter saves, etc.). However, in my testing I've found a couple cases where my keyboard event handlers don't fire. My best guess as to why this is happening is that there is some child component somewhere that has stolen focus and is stopping the keyboard events from propagating.
Unfortunately, due to the large number of components in my TitleWindow, I have no good way of knowing who has stolen the focus. My question then is, are there any good tips / techniques / tools for debugging focus issues and event propagation in Flex? Basically, I need something that will tell me who has the focus at any given time and who's handling an event at any given time... is that possible?
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Jun 16, 2010
I have a Canvas (lets call it the Drop Box) which users can drag and drop external files onto. Next to this I have a ViewStack, of which one of the layers is a Canvas with a TileList. I have successfully managed to code it so that the items dropped onto the Drop Box appear in the TileList. I simply capture the darg drop event (lets call this event A) and dispatch a new one that the TileList is listening for (lets call this event B).
However, this only works if the ViewStack selectedIndex is set to that of the Canvas with the TileList. If the Canvas with the TileList isn't selected then the event listener which is added to the TileList at CreationComplete level (event B), won't be called until after the drag drop event has dispatched (event B). This means that something is firing before something even has a chance to listen for it!
I've tried looping until the Canvas with the TileList is completely drawn, but this causes the app to hang.
I've also tried passing the event to the Canvas and storing it locally, but when I attempt to access the clipboad of the event I get an error (dead clipboard).
Effectively I want to only dispatch the event to the Canvas after it's had a chance to load, and add the event listener to the TileList.
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Oct 27, 2011
It it possible to catch a double right click event in Actionscript 3?
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Apr 14, 2009
I'm trying to use the double click event, but its not working. I found one thread on Kirupa where Krilnon said you have to use doubleClickEnabled = true When I use it like this:
[AS]
_play.doubleClickEnabled = true;
_play.addEventListener(MouseEvent.DOUBLE_CLICK , function(e:Event):void {
trace('huh?');
vs.play(flv);
[code]....
Double clicking just doesn't do anything and the event doesn't seem to register (trace doesn't happen)....
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Jul 5, 2009
when I double click, the event doesn't get fired,[code]
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Feb 21, 2009
I have never used the Double Click before but now that I am trying to apply it to a button it's not responding.
button1.addEventListener(MouseEvent.DOUBLE_CLICK, buttonClick);
function buttonClick(event:MouseEvent):void {
trace('has been double clicked');
}
Is there more to know about the DOUBLE_CLICK?
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Nov 4, 2011
Is it possible to trigger Flex Piechart Item click event when a Datagrid Item is clicked.If so can anyone give some example.
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Jun 26, 2010
I have a datagrid and it lists several rows as
seqno | NAME | COMPANY
1 | BOB | D&T
2 | Jenny | M&Y
3 | Jane | D&T
It is possible to have buttons as [MOVE UP] and [MOVE DOWN] so that when I select a row in a datagrid and press one of those button that the order changes and the seqno updates accordingly.
Meaning if I select Jane and press the [MOVE UP] button, the new order would be;
seqno | NAME | COMPANY
1 | BOB | D&T
2 | Jane | D&T
3 | Jenny | M&Y
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Jul 21, 2010
How could i disable the selection color on single click and enable it just to double click.
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May 20, 2008
I've got a bug in my code, where a button has to be double clicked to work.Just wondering what is the standard distinction for the difference between single and double click.
my code
ActionScript Code:
ns.seek(0);
subtitles._visible = true;[code].....
the idea is that it runs a function only when the above button is pressed, but it doesn't seem to work the first time you press the button ?
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Sep 8, 2009
The flex DataGrid colums are arranged alphabetically by default. I need to order the DataGrid colums as per the order in its dataProvider. The dataprovider is the result of the HTTPService . And the number of columns is not known to us . The number of columns depends on the HTTPService result.
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Oct 15, 2011
I have two datagrids:
- Division
- Members
Both have single columns. Selecting one item from Divsions datagrid should display members of that Division in the Members datagrid. But following code has some problem and Members of a particular division do not show up when respective Divsion is clicked.
Following are some snippets of the related code. Hope someone can spot an error in it.
[Code]..
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Feb 5, 2009
I have a movieclip containg several containers with other objects attached to them. Those containers have different levels of nesting. Now I want to add an EventListener to the top-level MovieClip and the called function uses attributes of this MovieClip. Because
of that I cannot just retrieve the MovieClip by saying e.target.parent but have to stop the propagation. I know there is a stopPropagation() method but I don't really get how (and when) to use it.
If I have sth like this:
function myResponse(e:Event):void {
//Things happening
} myMC.addEventListener(MouseEvent.CLICK, myResponse);
Where do I have to stop the propagation?
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Feb 8, 2010
I have a container named circleHolder_mc. Inside I have four circles named circ0_mc circ4_mc. My goal is to have each circle blink on mouseover. The closest I've got is the following code which causes all of the circles to blink at the same time.
circleHolder_mc.addEventListener(MouseEvent.MOUSE_OVER, onBlink)circleHolder_mc.addEventListener(MouseEvent.MOUSE_OUT, unBlink)
var timer:Timer = new Timer(1);timer.addEventListener(TimerEvent.TIMER, onTimer);
function onTimer(evt:TimerEvent):void{ alpha +=7;}
function onBlink(evt:MouseEvent):void{ timer.start();} function unBlink(evt:MouseEvent):void{ timer.stop(); alpha = 100;}
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May 18, 2009
how event propagation works in PV3D its definitely not like the conventional Flash style. On a quick search i have been able to find out that its possible using the InteractiveSceneManager Class, but unfortunately
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Jul 20, 2011
I wanna disable click event of datagrid of top columns, which is showing catagoeries string values.
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Feb 24, 2010
I'm using Event Propagation in order to change the alpha of each Child on MOUSE_OVER, MOUSE_OUT, and MOUSE_DOWN using... evt.target.alpha On OVER the Child's alpha increases from 0 - 0.5. On OUT it goes from 0.5 - 0. On DOWN it goes to 0.5 and stays there even with a MOUSE_OUT. What I'd like to do is then add a button to the main stage which takes the visibility of all Children back to 0, a basic type of Clear button.
I have one way to do it where I list each Child in a function (all 9!). But can I re-write this so that all Children are effected writing so much code? Ideally I'd like to send a request to find the number of Children (9) and then use this variable to write a function which says (where 'n' is the Instance name of each Child) that n(0-numChildren).alpha = 0
[Code]...
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Oct 18, 2011
What is the difference between event.bubbles to false for any event, And Setting event.stopPropagaion() or stopImmidiatePropagation() while handling event? I am using flex4 with as3.
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