In datagrid i shows number of checkbox for example 20 checkboz ,in 20 checkbox if i select any 15 checkboxs then remining checkboxs will be disable (enabled="false" But 15 selected checkbox accessable ?
How can i do that . i tried
<mx:DataGrid id="dg" width="100%" height="100%" rowCount="5"
dataProvider="{dp}">
<mx:columns>[code]...
Getting error while run the checkBox item renderer in advanced datagrid with out data.
Error: Cannot access a property or method of a null object reference.
Code:
public function set listData(value:BaseListData):void {
_listData=value;
_dataGrid=value.owner as AdvancedDataGrid;
_dataField=(value as AdvancedDataGridListData).dataField;
}
Here value is coming null, so I am getting above exception.
I'm trying to remove the tooltip from the checkbox inside an inline itemrenderer in a datagrid but I still get the tooltip box but with nothing in it. I want the tooltip box removed completely.[code]
View 2 Repliesim my flex application i have a datgridas follows
<mx:DataGrid id="grid" >
<mx:columns>
<mx:DataGridColumn headerText="Select" dataField="itemSelInd" editable="false"
[code]....
I'm trying to create a Flex DataGrid where the firstname and lastname are shown under each other, but in the DataGridColumn
Ideally I would want to do something like
<mx:columns>
<mx:DataGridColumn headerText="Column 2" dataField="time"/>
<mx:DataGridColumn headerText="Column 2" dataField="firstname,lastname" itemRenderer="renderers.FirstNameLastName"/>
so that both values get passed to the itemrenderer, is this possible?
I have a problem in my datagrid itemeditor This is my data grid component
<mx:DataGrid id="lessonPlanDataGrid" x="10" y="10" dataProvider="{studentLessonPlanArray}" height="271" width="270" editable="true">
[Code]...
I have to put 2 numeric stepper components in one column of a datagrid. I suppose I need to write my own item renederer code for that. How to write a code for putting 2 numeric stepper components in one coulmn of datagrid.
The 2 numeric steppers would work as time (Hour and Min) components. I cannot use readily availabel time components, and hence have to write something of the above for my own time component.
I'm creating Datagrid dynamically and giving each row's first column a custom checkbox cellrenderer as noted here: [URL]. I have added an ITEM_CLICK event listener to the datagrid as such:
Code: datagrid.addEventListener(ListEvent.ITEM_CLICK, ToggleCheckBox); However, for the life of me I cannot figure out A) how to target the CheckBox specifically, B) how to toggle its' selected value, and C) how to finally update the datagrid view to reflect the toggled option.
Code:
private function ToggleCheckBox(e:ListEvent) {
// do some magic
}
How can i make the checkBox click as disable in itemRendrer in a datagrid?
View 1 RepliesIs there a way to make the default item renderer in a Datagrid look like a text input field?
I just want to tell the user, that he can change the value of this cell.
I'm creating a mobile app in which I need to show a calendar with months at the top. The months are part of a component that extends from SkinnableDataContainer (and has some custom scrolling/behaviour - which is why I did'nt use a spark list). I need the months to be shown as a 'trapezium' shaped tab and so I'm using a png image as a mask in the item renderer for the component.
When the mask is not applied, it all works well - the months render, the list/data container selection works when I click on a month and so on.When the mask is applied, it renders well, scrolling and everything else seems to work well - but when I click on a month, nothing happens visually. And from the trace statements in my code, it appears list item selection is not changing. Looks like mouse clicks are not working.
Code:
public class TopCalendarMonthRenderer extends LabelItemRenderer {
[Embed(source="/assets/trapezium_alpha.png")]
private static var TrapeziumMask:Class;
private static var trapeziumMaskInstance:BitmapAsset;
[code]...
<mx:itemRenderer>
<mx:Component>
<mx:Canvas>
[code]......
I have a Spark Component (a Group) which doesn't behave as wanted.The tooltip is only shown when the component is enabled=true which the following example shows:
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx"[code]/....
In the Halo component the toolTip is shown. And this is, what I want to achieve.In my case I want to try something like this:
<s:Group toolTip="{cartEntries > 0 ? 'great!' : 'go and buy!'}"></s:Group>
I have a list that uses a checkbox itemrenderer. The dataprovider is a collection of people. When I load the data from a file, each list item shows the person's name (last, first -- labelFunction), and the checkbox's selected property shows the person's included property. I.e.,Smith, Doug - [x]Williams, Bob - [ ]orris, Anne - [x]However, each person also has an active property. I want to disable the checkbox for people who are inactive (meaning, "you can't include inactive people").to do the same thing in a datagrid. However, none of them work and all the checkboxes are enabled regardless of the person's active status. Here is my basic code:
<mx:List id="peopleIncludedList"
dataProvider="{someProvider}"
labelFunction="peopleLabelFunction">
[code]....
I've gotten a checkbox header renderer to work well with flat DPs, but a hierarchical collection view is another story. On click, I want it to select all checkboxes in a given column. Here is my code:
[Code]....
In my project i used one select all button for select all checkbox at click event . But i used datagrid ,iteam renderer within checkbox so no id of checkbox then how to select/unselect all checkbox ?
<mx:DataGrid id=newdatagrid>
<mx:columns>
<mx:DataGridColumn headerText="1" rendererIsEditor="true"
[Code]....
how can i implement select/unselect all button for checkbox?
I am using this example from [URL]...I have a datagrid and trying to dynamically add button to one of datagrid column. But I want this Button as an ItemRenderer to be written in ActionScript and not MXML.
View 2 RepliesI have a Datagroup with a custom item renderer the momment I bind it to XML from an http service it stops working.
[Code]...
I'd like to have an overlay that draws lines between selected items in different Flex 4 List controls.
The problem is I can't figure out how to access the x, y coordinates of the list's item renderers.
my renderer contains a canvas in it, i add some title-window, every time i see my tree previously added Title-Windows are visible, i want to access each n every item in tree and remove previosly added all windows from the rendere. how access all the item renderer in AS3 ?
View 1 RepliesHow do I wordwrap in a spark list w/ an itemrenderer? This posting at[URL] works 100% but when I try to set a separate item renderer, I can't get the word wrapping...instead, I get an ugly horizontal scroll bar. HEre is my mxml:
[Code].....
I have an mx:tree with with TreeItemRenderer as below.
Parent1 (Delete | Rename)
Child1
Child2
Parent2 (Delete | Rename)
Child3
Child4
Delete and Rename are link buttons
Now when i click Rename a popUp should be shown like
OldName : Parent1(Text Input showning present Name)
Enter New Name: Parent1NewName(Text Input for entering New name)
OK | CANCEL Buttons
Afetr Entering the new name,click OK,popup should be closed and need to get the value in the treeItemRenderer.
I have the logic to rename the Parent1 in TreeItemRenderer and also I m able to get the Parent1 in the popup OldName TextInput.But after entering the new name i m not able to get that new name in the TreeItemRenderer.
I use a spark List with a custom item renderer and an ArrayCollection for dataProvider.
The ItemRenderer looks something like
<mx:TextInput id="txtValue1" text="{data.myFirstValue}"/>
<mx:TextInput id="txtValue2" text="{data.mySecondValue}"/>
However, even though I change the text in txtValue1 or txtValue2, those are not actually changed in the object inside the ArrayCollection.
myFirstValue and mySecondValue are decorated with the [Bindable] tag.
My understanding is that if the text property is set to be bound a certain property, the changes should be automatically applied.
So the HACK (or so I think) that I use is to listen to the focusOut event of each textbox, and access the parent data provider and set the the values manually.
Is it a bad idea to inject data into an itemrenderer. The reason I ask this is because the state of each item is dependent on different changing data sources. So the original data is used to just display a new item, but there could be two to three other data collections that would be needed to determine the item's behavior. Is there a better way to do this? Should I be creating a custom DataGroup with the other data sources as properties on this custom container and then reference the data sources from the itemrenderer to the parent?
View 1 Repliesow do you display HTML formatted text in a Spark custom item renderer (Actionscript)?
Sample Code:
The html content in item.post_content displays as plain text in the IconItemRenderer messageFunction snippet below (which is just the default generated code for Icon Item renderer):
<s:itemRenderer>
<fx:Component>
<s:IconItemRenderer iconField="iconField"
iconWidth="64" iconHeight="64" labelField="post_title" messageFunction="getPost">
[code]...
I have made the following item renderer in mxml, but when I use it in a list for some reason I can not select it. Am I doing something wrong?
<mx:HBox xmlns:mx="http://www.adobe.com/2006/mxml"
horizontalScrollPolicy="off">
<mx:Script>
[code]......
I have a HorizontalList that is resized at runtime. The problem is that the items are not adjusting their height to the height of the HorizontalList. I use an item renderer (vBox) which has its height set to 100%. But the items always stay at their initial size.
View 1 RepliesWithin a DataGrid, I have a DataGridColumn that uses a custom component as the item renderer. Within the component, I have an ArrayCollection that stores a set of value objects. My problem is that I cannot access the ArrayCollection values from outside of the item renderer component. Does anyone know how it would be possible to do this? I have posted a code snippet below.
<mx:Script>
<![CDATA[
// Cannot access arrFiles from here.
[code].....
I have a List and the item renderer displays an image. Whenever you scroll the list, and the item renderer refreshes, it redownloads the image. Causing there to always be a delay. Is there some way of caching it so it doesn't have to redownload every time causing a delay in showing the image every time you scroll the list?
View 3 RepliesI have a 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" [code].............
