display popup at a specific location

Posted on 2011-03-07
Medium Priority
Last Modified: 2012-05-11
hi guys
I have a situation where i am displaying a popup when user clicks on a button. My requirment is the pop-up window should pop-up right above the button. I can give x and y coordinates but that might not be the best way to do it since if the monitor size changes the x and y coordinates
change. Any idea how i can resolve this?

right now this is my code

when button is clicked i am calling this function

private function launchPopUp(e:MouseEvent):void {
var popupwindow : Window = new Window();                           
PopUpManager.centerPopUp(popupwindow); //this needs to be removed because i dont want pop-up to be in center, instead i want it to display right above the button which is clicked.

and this is my  Window.mxml

<mx:TitleWindow xmlns:mx="http://www.adobe.com/2006/mxml"
layout="vertical" width="286" height="292"
title="bla" horizontalAlign="center"
close="closeWindow(event);"  verticalAlign="top"
x, y      > -- dont want to give x and y coordinates

import com.ms.ewq.entity.project.ProjectDetailDTO;
import mx.core.IFlexDisplayObject;
import mx.events.CloseEvent;
import mx.managers.PopUpManager;
import mx.collections.ArrayCollection;      
private function closeWindow(e:CloseEvent):void {
PopUpManager.removePopUp(e.target as IFlexDisplayObject);
 <mx:label text="data"/>  --show this in the pop-up

any help appreciated
Question by:royjayd
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LVL 37

Accepted Solution

zzynx earned 2000 total points
ID: 35067052
Out of my head; try this:

private function launchPopUp(e:MouseEvent):void {
    var popupwindow : Window = new Window();                          

    var pt:Point = new Point(e.localX, e.localY);
    pt = e.target.localToGlobal(pt);
    popupwindow.x = pt.x - 286; // 286 = popupwindow.width;
    popupwindow.y = pt.y;

LVL 37

Expert Comment

ID: 35067064
Some explanation to that code:

1. You take the coordinates of the point where the user clicked the button
2. You convert those local coordinates to global (cf. http://livedocs.adobe.com/flex/3/html/help.html?content=containers_intro_5.html)
3. You use those global ones to position your popup window

Expert Comment

ID: 35069301

You can get the x,y coordinates dynamically from mouse click event and use that for popup..

function whileClick(event:MouseEvent):void
    //use event.localX , event.localY

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LVL 37

Expert Comment

ID: 35069412
sunsonmahesh, please don't repeat what I already said...

Author Comment

ID: 35069679

thanks , that works. One more question i had was when button is clicked the pop-up window shows up but the background fades. how can i avoid that?

LVL 37

Expert Comment

ID: 35069890
>> the background fades
That's normal Flex behaviour. It indicates it is a model pop up window.

>> how can i avoid that?
Always think twice before changing standard behaviour. It could confuse the user who is used to such UI conventions.
Why would you want to avoid that?
LVL 37

Expert Comment

ID: 35069951
But if - after having thought twice - you still want to avoid it, I think here's the answer:
LVL 20

Expert Comment

ID: 35070658
The third parameter to addPopup or createPopup controls modality. Per default you create non-modal dialogs (modal = false) ... if you set this to true you completely get rid of the gray background and can continue to access the background (If you are vreating something like Property views).

Author Comment

ID: 35070779
Yeah, it actually does make sense, i dont want to avoid it.
Any help with my next question will be greatly appreciated.

Author Comment

ID: 35070801
oops, ChristoferDutz , just saw your solution. thanks.
LVL 37

Expert Comment

ID: 35070878
Thanx 4 axxepting

>> It indicates it is a model pop up window.
in my comment should of course have been:

It indicates it is a modAl pop up window.

>> if you set this to true you completely get rid of the gray background
Setting the 3rd parameter to true is creating a modal pop up, so I don't think the above is right

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