Flex :: Drag Manager - Access The Target Of Dragging Event In DragDropHandler?
Mar 29, 2011
I'm making a Matching Game where I have some images on my left and I can drag them onto images on my right and if they are matching, they should both disappear from the stage.
[Code]....
findMatch() is a function that finds in my XML file the path of the file that matches the file that is being dragged. Having that path, I send it to dragEnterHandler where it compares it with the path of the dropTarget file and if they are the same, it accepts it. Then in dragDropHandler, I'm changing the source path of my second image to "", so that it disappears from the stage. How can I access the first file (the one that was being dragged), so that I can change its path to "", to get rid of it?
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May 13, 2010
how can i access event.target outside event listener method.say for example
my_mc.addEventListener(MouseEvent.CLICK, onC);
function onC(e:MouseEvent):void
{
var m:MovieClip = e.target as MovieClip;
}
trace(m.totalframes);/// not working
now what if i want to get totalframe property of m instance, in short for every movieClip clicked.
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Oct 19, 2009
I was wondering, if I have two list boxes, and I want to drag and drop between both of them, how do I prevent the user from dragging onto the same list (thus duplicating the item? I cannot have a situation where that is the case
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Mar 22, 2010
how would you prevent dragging for some items of your List or DataGrid?
Let's say I had a list with two items: 'Tom' and 'Jerry'. Only 'Tom' should be dragable, not 'Jerry'.
Ideally I had a 'isDragEnabled(item:Object):Boolean' function, which is being queried by the drag source.
My difficulties start with the fact that the 'dragStart' event handler has a null value for the dragSource, so right from the start I find it hard to find out what the drag-start is about..
PS There have been a few discussions on preventing or canceling a drop, but I haven't seen much about preventing the drag start, hence this question.
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Mar 3, 2011
How can I constrain an image in a container to only a horizontal drag that when it collides with another image 'pushes' that image along that same horizontal line.
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Dec 21, 2011
When you drag the edge of container with mouse ,how to implement changing the size of container?
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Feb 2, 2012
My question is simple. Let's say I have 2 List Controls. 1 of Users and 1 of Tickets. (The 2 Sources). And I have a DataGrid (the target). Is possible to select 1 user and 1 ticket in the 2 list mentioned before and drag & drop them at the same time to the DataGrid? I know it's not as simple as they are going to get automatically mixed.. If it is possible... I would have to use the DragEnter Event of the Datagrid or something to mix them and create my dataProvider. But I don't know how you can drag & drop 2 items at the same time from different sources. It is possible with one source.. But no idea of how to do it with 2 sources.
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Feb 5, 2012
I have a list with itemrenderer with dragEnabled true and dropEnabled true. Now, I am trying to tell flex not to let the dragged item (even the icon indication) leave the drop panel. I don;t care if it stop the dragging or just freezes it as if it was the application border - and I cannot. I tried to stop the dragging on dragExit handler but it seems to ignore it. Does anyone know of a working mechanism to do such? (Flex 4)
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Mar 23, 2010
I found examples in adobe site only to position the object where the mouse pointer is. But i have to place the image in the position of drag proxy image.
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Mar 24, 2010
I have the following code
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Apr 17, 2004
Flash MX 2004. My drag and drop is working fine, but now I want the target area to highlight or something while the mouse is over it but not released yet, like its confirming the target area I want to drop in. The target area is several irregular polygon shapes. I would prefer if the target area would show an outline around the area.
My button try didn't work because I'm already pressed down on another button (the one I'm dragging).
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Apr 17, 2004
Flash MX 2004. My drag and drop is working fine, but now I want the target area to highlight or something while the mouse is over it but not released yet, like its confirming the target area I want to drop in. The target area is several irregular polygon shapes. I would prefer if the target area would show an outline around the area. My button try didn't work because I'm already pressed down on another button (the one I'm dragging).
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Dec 31, 2009
I am doing a small transiction using TransitionManager.start() function. how can i call a method after finishing the animation? i mean how to add event handler for this?
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Nov 19, 2010
I have a custom component with a couple of text input fields (among other things) that is used as the row components in a tree. I have had to write my own drag and drop handling, and have almost finished the start handler (which I did last), using mouseDown as the event to kick if off.It basically works, but when the tree is expanded enough so that a scroll bar shows, using the scroll bar drags a row of the tree at the same time ! Not the desired behaviour.Looking in the debugger, I can see that when a row of the tree is dragged the currentTarget is the tree itself, and the target is the textInput component. Looking at the parents of that component I can see my custom component (that contains the textInput) a couple of levels up.My question is, is there an easy way to determine if this target is descended from my component, so that I can initiate a drag only if that is the case ? event.target is doesn't work by the way.
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Feb 25, 2012
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Code:
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[Code]....
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Feb 25, 2012
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[Code]....
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Aug 10, 2011
I'm trying to get the id of the target in showMe(). For example, when I click button or image panel's showMe() function executes first. Here I want to capture the button/image's id.
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Sep 8, 2011
I came to the point where I need to communicate between 2 objects (let's say Tank and the Cannon). It is tile game, and when the Tank approach specific tile I need my Cannon to shot the Tank. When Tank gets that specific tile I want to dispatch some custom event and have listener in Cannon class body to make the shot happen. Other way I would have to check in ENTER_FRAME loop (inside Cannon body class) if the Tank touched tile that runs the Cannon shooting - but this is not elegant and efficient. The issue is complicated by the fact that the Cannon and Tank are added to the Engine (document class) and can't simply hear for each other, because they seat on the same level in display list.
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Sep 26, 2009
Is it possible to handle keystrokes WHILE dragging? I found this to be impossible, because hitting a key always fires an "onRelease" or "onReleaseOutside" event on the dragged movieclip when releasing the key - intterupting the drag operation. What I want to do is something like this: Drag and Drop a Movieclip and while dragging it I want to be able to flip it with a keystroke.
[Code]...
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Feb 7, 2010
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Apr 25, 2005
I have several drag and drop interactions in which they get points if they drag it to the correct position. The problem is they can move it out and back again to keep adding points to their score. I need to put some code in the correct portion of the drag and drop code that will make the word stay where it is when it's correct instead of letting them drag it again.
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Apr 25, 2005
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Mar 4, 2010
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Sep 6, 2009
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Jul 30, 2009
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Oct 29, 2010
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[Code]....
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May 4, 2010
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[Code]...
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Dec 27, 2011
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[Code].....
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[code].....
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May 31, 2010
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