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  • Flex Drag & Drop: Detecting when all data has been moved from source to destination

    - by Adam Tuttle
    I have two mx:TileList controls that I'm using to allow editing of objects in batch. The first contains a collection of all available data, and the 2nd contains the current batch. Both are bound to ArrayCollections, and using the native drag-n-drop functionality of the TileList control the data is moved from one ArrayCollection to the other when an object is dragged between them. I need to change the currentState to show & reset the batch manipulation controls when the batch count goes from 0 to n or n to 0 items. Based on the documentation, I would have thought that I should listen to the dragComplete event, but my testing shows that instead of firing after the data has been removed from the source ArrayCollection and added to the destination ArrayCollection, it fires (consistently) between these two actions. Both lists are similar to this: <mx:TileList id="srcList" dragEnabled="true" dropEnabled="true" dragMoveEnabled="true" dataProvider="{images}" dragComplete="handleDragComplete(event)" allowMultipleSelection="true" /> And here's the source of the handleDragComplete function: private function handleDragComplete(e:DragEvent):void{ trace(e.dragInitiator.name + '.dragComplete: batch.length=' + batch.length.toString()); trace(e.dragInitiator.name + '.dragComplete: images.length=' + images.length.toString()); if (batch.length > 0){ currentState = 'show'; }else{ currentState = ''; } } And lastly, here's some example output from running the code. These are all run one after the other. Case 1: The application loads with 10 objects in the first list and the batch is empty. I dragged 1 object from the source list to the batch list. srcList.dragComplete: batch.length=1 srcList.dragComplete: images.length=10 (Expected: 1,9) Clearly, the object has been added to the batch ArrayCollection but not removed from the source. Case 2: Now, I'll drag a 2nd object into the batch. srcList.dragComplete: batch.length=2 srcList.dragComplete: images.length=9 (Expected: 2,8) Firstly, we can see that images.length has changed, showing that the object that I dragged from the source list to the batch list was removed AFTER the dragComplete event fired. The same thing happens this time: The new object is added to the batch ArrayCollection (batch.length=2), the dragComplete event fires (running these traces), and then the object is removed from the source ArrayCollection. Case 3: Now, I'll drag both images from the batch list back to their original location in the source list. batchList.dragComplete: batch.length=2 batchList.dragComplete: images.length=10 (Expected: 0,10) We can see that batch.length hasn't gone down, but the source images array is back at its original length of 10. QUESTION: Am I doing something wrong? Is there another event I could listen for? (Note: I tried both DragExit and DragDrop, just to be sure, and those behave as expected, but are not what I need.) Or is there another way to get the data that I want? Or... have I found a bug in the SDK?

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  • insert text in the middle of string in flex 3

    - by m6azeez
    hello all, can you please help me with this issue the String class does not have insert method it has only replace :( . what I need is: - if I have string "I stackoverflow" - I need to insert "love " at index 2 to have "I love stackoverflow" so what I need is insertAt(index, String) thanks

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  • flex positioning a button within a panel

    - by pfunc
    All I'm trying to do is place a button inside of a panel, rotate that button (so it is vertical) and place it on the edge of the panel. I can;t seem to do this correctly. Here is my code: <mx:Panel id="weekList" width="260" height="100%" x="-500" title="Weeks" > <mx:List id="weekButtonList" width="260" borderVisible="false" contentBackgroundAlpha="0" dataProvider="{_data.mappoints.week.@number}" itemClick="onWeekClick(event);" > <mx:itemRenderer> <mx:Component> <mx:Button buttonMode="true" right="20" width="260" height="50" label="Week {data}" /> </mx:Component> </mx:itemRenderer> </mx:List> <mx:HBox id="closeButtonHolder" rotation="90" width="100" > <mx:Button label="OPEN" click="weekListToggle()" /> </mx:HBox> </mx:Panel> If you look at the part of the script you will see I am trying to rotate it and move it to the left. I am just trying to move it somewhere, and nothing is working. Also, the text seems to dissapear when I rotate it on a 90% axis. Anyone know what I can do for this?

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  • Rotate a drawn rectangle in flex

    - by Arif
    i wrote the following code for drawing a rotate rectangle var s:UIComponent = new UIComponent(); s.graphics.lineStyle(1, 0x0000FF); s.graphics.drawRect(50, 50, 200, 200); s.rotation = 30; template.addChild(s); where template is a canvas. Its rotate nicely but the problem is the position is not in right place. i.e. it is not in (50,50) after rotate. How can i solve this problem? Thanks in advance.

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  • How can i give password validation in flex

    - by praveen
    I want the validator for password text input. At least one Upper case letter At least one numeric character At least one special character such as @, #, $, etc. should be there in password how can i give it in action script or mxml.please help me. Thanks.

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  • Flex component setActualSize

    - by dlots
    I am a little confused about the setActualSize method. It appears from what I've read, that if it is not called on a component by its parent, the component will not be rendered. So it appears that setActualSize is a critical method that is directly bound to rendering the UIComponent. It also appears that the width and height properties of UIComponent override the functionality of the width and height properties of flash.display.DisplayObject, in that they are not directly bound to the rendering of the object but are virtual values that are mainly used by the getExplicitOrMeasured when the parent of the component calls the component's setActualSize method. So the question are: 1) Why isn't the default behavior of every component to just call setActualSize(getExplicitOrMeasuredWidth(),getExplicitOrMeasuredHeight()) on itself? 2) I guess this question stems from the above question and the behavior as I understand it as described above: does setActualSize change the visibility of the component? It appears that that the behavior is that a component is not rendered until setActualSize is called, but if it contains display object children itself (expected behavior as it can calculate measure on itself) and is added to the display list, the only reason why flash isn't rendering it, is because its not visible. 3) Relating to question #1, does updateDisplayList of UIComponent have a method that goes through its children calling setActualSize on each of them?

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  • changing "enabled" value of a button during runtime in flex

    - by ruchir patwa
    i want to make a button disabled if a datagrid is empty and it should be enabled when there is atleast 1 entry.the entries in the grid are made at runtime.I tried this this is the button: <mx:Button id="update" label="Update Contact" enabled="{isButtonEnabled()}"/> and the function is defined as where dg_contact is the datagrid: public function isButtonEnabled():Boolean { if(dg_contact.selectedIndex==-1) { return false; } else { return true; } } where am i going wrong?

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  • flex button spacing in a horizontal list

    - by pfunc
    How do you dynamically resize buttons in a horizontal list to fit the text size? I am pulling in my button text from xml and it seems that it resizes all the buttons to the first items text. I am wrapping my button inside a canvas, not setting widths for either of them. Basically I need all the buttons to resize to their text, and have them all spaced evenly as well.

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  • Flex - Search in ArrayCollection by part of the word

    - by Sergei
    For example i have an ArrayCollection, and i want to find person with telephone begines with "944" how can i do this? <mx:ArrayCollection id="arrColl" > <mx:source> <mx:Array> <mx:Object telephone="944768" subscriber="Smith P.T."/> <mx:Object telephone="944999" subscriber="Peterson Q.T."/> </mx:Array> </mx:source> </mx:ArrayCollection>

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  • Flex Nested Drag And Drop

    - by Soumitra
    i have a canvas where i can add layout say another canvas.So both the canvas have drag enter and drag drop event . I want to toggle this events .. i.e when outer canvas will accept drag inner will not accept and when inner will accept drag outer will not.I am facing a problem in nested drop events..Inner drop event is not working..Please help me out..Waiting for your help

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  • reading variable from xml file in flex

    - by m0j1
    hi , I'm trying to read the address of a flv file from an xml file and then put it in the "source" property of a videodisplay tag . here's my code : //in decleration tags <fx:Model id="myModel" source="myXML.xml"/> <s:ArrayList id="myArrList" source="{myModel.main}"/> //in the main code <mx:VideoDisplay id="videoDisplay" source="{myArrList.getItemAt(0)}" /> and the xml file is: <main> <myFile>"g:\myflv.flv"</myFile> </main> anyone knows what's wrong? tnx

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  • Accessing children of loaded swf in Flex Image component

    - by pfunc
    I am loading an external swf into an component. It loads everything fine and I can see buttons working in the swf, but I can't seem to figure out how to add children to this swf from the core mxml file. I have tried tracing out all the children of the image component but can't find where or how to do this. This is the image component: <Image id="image" mask="{ maskCanvas }" source="{ _source }" mouseDown="image.startDrag()" visible="{ _source != null &amp;&amp; image.percentLoaded == 100 }" showEffect="{ fadeInEffect }" complete="imageComplete()" doubleClickEnabled="true" doubleClick="onDoubleClick()" /> And in my AS, I am trying to do something like this: myComponent.image.addChild("myMC"); But i either don;t see the clip or there I get an error about not being able to add the child to a ui component.

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  • How should I smooth the transition between these two states in flex/flashbuilder

    - by Joshua
    I have an item in which has two states, best described as open and closed, and they look like this: and And what I'd like to do is is smooth the transition between one state and the other, effectively by interpolating between the two points in a smooth manner (sine) to move the footer/button-block and then fade in the pie chart. However this is apparently beyond me and after wrestling with my inability to do so for an hour+ I'm posting it here :D So my transition block looks as follows <s:transitions> <s:Transition id="TrayTrans" fromState="*" toState="*"> <s:Sequence> <s:Move duration="400" target="{footer}" interpolator="{Sine}"/> <s:Fade duration="300" targets="{body}"/> </s:Sequence> </s:Transition> <s:Transition> <s:Rotate duration="3000" /> </s:Transition> </s:transitions> where {body} refers to the pie chart and {footer} refers to the footer/button-block. However this doesn't work so I don't really know what to do... Additional information which may be beneficial: The body block is always of fixed height (perhaps of use for the Xby variables in some effects?). It needs to work in both directions. Oh and the Sine block is defined above in declarations just as <s:Sine id="Sine">. Additionally! How would I go about setting the pie chart to rotate continually using these transition blocks? (this would occur without the labels on) Or is that the wrong way to go about it as it's not a transition as such? The effect I'm after is one where the pie chart rotates slowly without labels prior to a selection of a button below, but on selection the rotation stops and labels appear... Thanks a lot in advance! And apologies on greyscale, but I can't really decide on a colour scheme. Any suggestions welcome.

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  • FLEX: question about MXML syntax

    - by Patrick
    hi, I would like to know if it is the same to assign properties to my custom component in its own class, or from the parent document. Please see snippet below: Here I assign the property bottom in my custom component class: <?xml version="1.0"?> <mx:LinkButton bottom="20" > <mx:Script> ... Here I assign the property bottom when I use the component in my main MXML file <myComp:Brick bottom="10"/> Am I overriding the original one ? Thanks

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  • Flex 3 - Full unicode support fonts and CSS

    - by BS_C3
    Hi! I'm developping a web application that will be used either in Europe or in Asia (specially Japan -Hiragana, Kanji and Katana-, China and Korea). I'm using the following fonts: - ericssonga628.TTF - HelveticaNeueLTStd-Lt.otf - HelveticaNeueLTStd-LtEx.otf - HelveticaNeueLTStd-Bd.otf - HelveticaNeueLTStd-BdEx.otf When I tried to display Japanese characters, I don't get anything. I guess these fonts don't support East Asian characters... Do you know of any equivalent fonts? Also, I was thinking of creating a CSS for each language (or pack of languages) when the user changes the display language. For example, if the user selects "japanese", I'll use the japanese stylesheet. However, how do I switch from a CSS to another? Thanks in advance for your answers. Regards,

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  • problem in getting value of the object attribute in flex

    - by madanmohan
    i have an xml which contains 'interface' sub tag, iam converting xml to object using SampleXmlDecoder. compiler did not allow me to access the value of the 'inteface' attrible of the resultobject. var xml:XML = event.result as XML; var xmlDoc : XMLDocument = new XMLDocument(xml.toString()); var decoder : SimpleXMLDecoder = new SimpleXMLDecoder(true) var resultObj : Object = decoder.decodeXML(xmlDoc); var o:Object = new Object(); o.someprop = resultObj.maintag.item.interface; its treating interface as keyword. can anyone tell me the solution for this. Thanks in advance

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  • [Flex] Using same set of columns in AdvancedDataGrid in a TabBar

    - by user283403
    I have a TabBar control which will show an AdvancedDataGrid with same set of columns on different tabs, i am doing this so that i can show similar data on different tab pages. Column heading will be the same on all grids, is there a way I can put all column headings in an array and set that as columns of data grid? I tried setting the columns property but it doesn't work. Also I need to set ID property for a single column in the grid to set it the treecolumn so one column must have individual id field too.

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  • Flex Sprite xy Coordinates

    - by Ian
    Hi, I have a drawing that looks more or less like the attached image. image The orange square is the currently selected selected sprite. The sprites are all draws from coordinates that i receive from XML. var sprObject:Sprite = new Sprite(); sprObject.graphics.beginFill(itemList.c.toString()); sprObject.name = strName; sprObject.graphics.moveTo(iX, iY); sprObject.graphics.lineTo(iX2, iY2); sprObject.graphics.lineTo(iX3, iY3); sprObject.graphics.lineTo(iX4, iY4); sprObject.graphics.lineTo(iX, iX); sprObject.graphics.endFill(); mainUI.addChild(sprObject); // mainUI is a mx:UIComponent g_Sprite.push(sprObject); // array of sprites. What I want to do is the following. If I'm currently on the orange square and I use my keyboard direction buttons (up/down/left/right). I want to deselect the current sprite and select the next sprite in the appropriate direction. The problem I'm having is that I cannot get the x and y coordinates of the drawn sprites. If I look in the array, the x and y coordinates of the sprites are all 0. If I can retrieve that I can write an algorithm to determine the next sprite to select. Any help would be appreciated.

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