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• Flex TileList control, image loading issue

  - by ckenan

  I have a flex 3 TileList in wich a load several image (employee's headshot pictures). The image I'm loading in the TileList are stored in a DataBase (I use the ByteArray class and a Base 64 encoding to store the images in the DB). When I load the images in the TileList from the DB, there is no problem they are displayed correctly, but when I scroll down in the TileList and scroll up again, the position of the images is changing, so for example the image in first position can be now in the 3rd and so on .... Does somebody knows how to fix that ? Thanks in advance! PS : Here is the code of the ItemRenderer for the TileList private function init():void { img.load(data.imageData); } ]]

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• External data in TileList Flex

  - by Adam

  I'm working for the first time with a TileList and an itemRenderer and I'm having a bit of trouble getting the information from my array collection to display and looking for some advice. Here's what I've got private function loadData():void{ var stmt:SQLStatement = new SQLStatement(); stmt.sqlConnection = sqlConn; stmt.text = "SELECT * FROM tbl_user ORDER BY user_id ASC"; stmt.execute(); var result:SQLResult = stmt.getResult(); acData = new ArrayCollection(result.data); } <mx:TileList id="userlist" labelField="user_id" dataProvider="{acData}" width="600" height="200" paddingTop="25" left="117.15" y="327.25"> <!--itemClick="showMessage(event)"--> <mx:itemRenderer> <mx:Component> <mx:VBox width="125" height="125" paddingRight="5" paddingLeft="5" horizontalAlign="center"> <mx:Label id="username" text="{}"/> <mx:Label id="userjob" text="{}"/> </mx:VBox> </mx:Component> </mx:itemRenderer> </mx:TileList> So I'm just not sure how I go about pulling the information from the array and putting it into labels like username, userjob, userbio ect, Inside the TitleList and itemRenderer.

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• Flex: Rendering a bound TileList - when does it finish rendering?

  - by python_noob

  Hi, I have an mx:TileList which is bound to an ArrayCollection. I have some code that displays a "Loading..." message before modifying the ArracyCollection and some code after that hides the loading message. For small data sets, it works fine. However, I noticed with an array size of about 50~ and larger, flex will hide my loading message before the TileList is finished rendering the new data and I'm left with a blank screen for an odd second. Is there an event I can listen to that is called after the TileList is finished re-rendering? Code looks something like this: loading_message.visible = true; for each (var x:Object in new_data) { tile_list_data.append(x); // bound to my_tile_list component } my_tile_list.validateNow(); loading_message.visible = false; In this example, loading_message appear, disappear, and then the flex app will lag before finally revealing the updated TileList. Any ideas? Thanks!

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• [Adobe Air] Can I catch a mouseUp event of an mx:Window that did not fire hte mouseDown?

  - by Irene

  Hi, In an AIR application, I have one mx:TileList with several images. What I need to do is let the user drag and drop one of the images on the desktop, giving a feeling of a desktop widget. Firstly I tried to implement this using dragStart etc, but in the end I think it is easier to handle mouseDown and mouseUp on the TileList. In general the whole setup works as desired. When a mouseDown is detected on the TileList, I create a transparent mx:Window containing the corresponding image, and call the startMove() on the Window to simulate a dragging behavior. If I release the mouse, the Window stops moving as desired. My problem is that now I want some visual feedback during dragging. It works while the Window is moving, however I can't find a way to stop it when the user releases the mouse. The mouseUp is not fired from the TileList, nor from the s:WindowedApplication. I also tried to add a listener to the Window itself, but still with no luck. Some code: private function onMouseDown(e:MouseEvent):void { trace ("down " + e.target); if (e.target is TileListItemRenderer) { // first create a dragWindow dragWindow.startGlow(); // then show some visual feedback dragWindow.moveWindow(e); // and start dragging } } private function onMouseUp(e:MouseEvent):void { trace("up " + e.target); dragWindow.stopGlow(); // <--------- Not called! } <mx:TileList id="photoTileList" mouseDown="onMouseDown(event)" mouseUp="onMouseUp(event)">

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• Help with creating a custom ItemRenderer for Flex 4

  - by elmonty

  I'm trying to create a custom ItemRenderer for a TileList in Flex 4. Here's my renderer: <?xml version="1.0" encoding="utf-8"?> <s:ItemRenderer xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx" autoDrawBackground="true"> <mx:Image x="0" y="0" source="../images/blank-offer.png" width="160" height="144" smoothBitmapContent="true"/> <s:Label x="5" y="20" text="{data.title}" fontFamily="Verdana" fontSize="16" color="#696565" width="155"/> <s:Label x="5" y="42" text="{data.description}" fontFamily="Verdana" fontSize="8" color="#696565" width="154"/> <mx:Text x="3" y="59" text="{data.details}" fontFamily="Verdana" fontSize="8" color="#696565" width="157" height="65"/> <mx:Text x="3" y="122" text="{data.disclaimer}" fontFamily="Verdana" fontSize="5" color="#696565" width="157" height="21"/> </s:ItemRenderer> Here's my tile list: <mx:TileList x="0" y="0" width="100%" height="100%" id="tileList" creationComplete="tileList_creationCompleteHandler(event)" dataProvider="{getDataResult.lastResult}" labelField="title" itemRenderer="renderers.OfferLibraryListRenderer"></mx:TileList> When I run the app, I get this error: Error #1034: Type Coercion failed: cannot convert renderers::OfferLibraryListRenderer@32fce0a1 to mx.controls.listClasses.IListItemRenderer.

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• Flex Tree leaf-element highlighting while drag&drop

  - by sani4xl

  Hi, i have TileList from which i'm dragging some stuff(image) to Tree (something like dragging sounds into playlist in iTunes), but when i can drop this stuff, i see only underline, this mean i can drop it only under or above some leaf-element in that Tree. How can i force it to hide this black underline and highlight leaf-element to which i wanna drop my stuff. Thanks

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• Changing the background color and border color on selection on a tilelist??

  - by Prashant Dubey

  Hi friends , I am using a tilelist I want to change the border color and the background color of the tile on selection. Is it possible ???? Thanks in advance Prashant

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• How to Change the Style in TileList Selected Item using Flex?

  - by Aswath

  My TileList Contain some text Boxes. i want to change the text color if it's selected. Please any one help me.. Thanks

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• Flex ItemRenderer Issue

  - by Aswath

  Am using Checkbox as ItemRenderer in tilelist. Am trying to setting checkbox selected values through xml. I got the values perfectly.. but checkbox could not bind the values(could not accept that). It's automatically sets true for all checkboxes. This is my xml <PmhTreeAllow> <PmhTreeAllowname id='1' label ='Allow Text' isField='false'/> <PmhTreeAllowname id='2' label ='Document Link' isField='false'/> <PmhTreeAllowname id='3' label ='Test Results Entry'isField='false'/> <PmhTreeAllowname id='4' label ='Dummy' isField='false'/> </PmhTreeAllow> My Tilelist.. <mx:TileList id="tileList" width="160" height="100%" textAlign="left" horizontalScrollPolicy="off" verticalScrollPolicy="off" dataProvider="modelInstance.optionCollList}" columnCount="1" backgroundAlpha="0" borderStyle="none"itemRenderer="com.Frontend.views.treeStructure.myTileList" useRollOver="false" rowHeight="28" itemClick="tileItemClick(event)" columnWidth="150" selectedIndex="0" x="10" y="0"> Check box ItemRenderer.. <?xml version="1.0" encoding="utf-8"?> <mx:CheckBox xmlns:mx="http://www.adobe.com/2006/mxml" label="{data.@label}" selected="data.@isField}"/> Thanks in Advance Ashok

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• Increase the height of Flex Container dynamically and introduce scrollbar on the browser

  - by shruti

  Hi, I am trying to increase the height of container with increase in the number of contents inside the container. Like in my case i m using tileList inside tabNavigator , when I put contents inside the tileList, the height of tileList does not increase beyond vertical height of the viewport. It puts scrollbar on the container. I want to increase the height of an flex container with increase in the contents and introduce scrollbar on the browser with increase in contents in the flex container. Could anybody please suggest me how I could achieve this. Thanks in advance.

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• Flex Arraycollection filter

  - by Prashant

  Hello all I am working in Flex. I have an arraycollection which is used to fill a tilelist with images. I am using filter method of arraycollection to filter out certain images from tilelist based on a selected value from combobox. The issue is that when the images are filtered out they just vanish suddenly. But I want to give some effect to them when they are filtered out, say slow fade effect or zoom effect. I tried removedEffect, hideEffect etc. but in vain. Can anyone please help me out. thanks.

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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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• search results filter effects - flex

  - by Adam

  I've created a search with a couple of comboboxes that allow users to filter their search results. The results are currently using a TileList & itemRenderer to display, and now I'd like to add an animation effect when the user filters their results. I know that you can use the itemsChangeEffect to create an animation effect when the user drags and moves result itmes. So I'd like to know if there's a way to create a similar effect triggered by the filtering on the comboboxes? Thanks.

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• should I use Navigator or View State ?

  - by Audrey

  Hi I want to create an application has this sort of function: http://looklet.com/create In this application when you click the button (or some tilelist) on the right the model on the left update accordingly. I wonder how they achieve this. Originally i think it's some sort of image-only pop-up window but then pop-up window seems to update the entire view. Then I think it might be only change view state, but then I still confused how it can be done using view state. Flex expert please give me some hint !

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• Animate search filter results - flex

  - by Adam

  I've created a search with a couple of comboboxes that allow users to filter their search results. The results are currently using a TileList & itemRenderer to display, and now I'd like to add an animation effect when the user filters their results. I know that you can use the itemsChangeEffect to create an animation effect when the user drags and moves result itmes. So I'd like to know if there's a way to create a similar effect triggered by the filtering on the comboboxes? Thanks.

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• Flex list-controls - maintain remote data

  - by artemb

  Hello. I have a TileList which represents some remote data. I also have a form which allows me to change the data. And the data may be changed by someone else too. What is the best way to maintain data in the list in an up-to-date state? The simplest option I see is the following: Select an item in the list Edit it in the form Save it. The form submits the data to the server When the server reports success the list re-fetches it's data The very bad thing about this workflow is that the list loses selection (a tree would also loose the nodes' expanded/collapsed state). I would really love to find out another option which would enable the list to maintain it's selection state. Any guesses on how it may be done?

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