Flex :: Itemrenderer - AdvancedDataGrid And Instable Selection Of RadioButtons In Adobe ?
Mar 14, 2012
I have a problem with my AdvancedDataGrid which has inside it colums of radiobuttons.The problem is when I click on a cell in the Grid, the Radiobuttons selection become instable, some of the radio buttons of other colums become selected.The behavior I want is that when the selects the RadioButtons(the circle or its label), it become selected and not all the Cell in which the radioButton is.Here my code:
for (var idxStudio : int = 0; idxStudio < p_studios.length; idxStudio++) {
innerColumn = new AdvancedDataGridColumn();[code]....
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Apr 14, 2010
Is it possible to use a renderer for for a treecolumn in an advanceddatagrid and still keep the hierarchal functionality? If I use a renderer provider I lose the the arrow for the tree dropdown. I want to keep the tree functionality and change the display of the column.(and not just the folder image)
<mx:AdvancedDataGridRendererProvider column="{titleCol}" depth="1"
renderer="com.something.titleColumnRenderer"/>
titleColumnRenderer:
[code].....
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Jun 13, 2011
I am using an AdvancedDataGrid with some hierarchical data. In the first column, I want to indicate whether or not the "name" field is editable by graying out the text for the "name" property of my objects. It's very odd, but when I set the AdvancedDataGridColumn's dataField property to "name", and have it in the first column, it seems to completely ignore my inline ItemRenderer. If I change the dataField property to something else, or change the column ordering so the Name column isn't first, everything suddenly works.
Let me know if any more code would help, but here is the simple ItemRenderer I'm trying to use in the first column:
[Code]...
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Apr 5, 2011
When not editing the cell, it shows a centered date as plain text. When editing, it shows a DateField editor. The second example is exactly the same as far as I can tell, other than the fact that it is an AdvancedDataGridColumn. Using that code with an AdvancedDataGrid, when I go into edit mode I can see the text from the normal item renderer behind the DateField editor (between the text input and calendar icon).
Example 1:
<mx:DataGridColumn id="endColumn"
dataField="endDate"
headerText="End"
[Code]....
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Apr 8, 2010
In my AdvancedDataGrid, I am adding dynamic values to cells by dragging a cell value to other cells. While copying, I am setting the value to listData and setting the Red color to the value in ItemRenderer. Everything is working fine, but when I scroll down/up, the values remains in the cells where thay are supposed to be(as I am setting to listData) but the coloring behaves wierd(as I am trying to set the color in ItemRenderer).
I don't want to store the color of the value, but I should be able to see the dynamically created values in Red color. Is there a way, I can do this? Do I need to set the color to actual dataprovider object and then check in ItemRenderer?
[Code]...
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Sep 14, 2011
I have an AdvancedDataGrid with variable row height set to true.I have written a cutsom item renderer based on the DataGroup spark component. Each row in the grid has multiple entities to display, the x position and width of the entites are based on the data of the entity itself.I have a custom layout written for the DataGroup that measures and posistions each entity based on its data. Each entity in each row can either truncate or not truncate its label. When the labels are not truncated, I calculate the actual width of the object and validate its size manualy (to force the label to have the correct width and layout all its text lines and remeasure itself) within the DataGroup's Layout's measure method to accurately measure the datagroup itself.The layouts, measuring, sizing, display, etc all work correctly. The entitys report the correct height they need when not truncating the labels, the datagroup reports the correct size it needs to draw all of its row's worth of entities (all from measure methods like they need to under the UIComponent lifecycle).When inside the AdvancedDataGrid itself, rows are not sized correctly. The majority of the rows do not require multiple lines and display just fine. Those that require multiple lines have larger row heights, but not large enough to accomodate the entire text in most cases. The DataGroup for that row (and its itemRenderers) are clipped. Furthermore, When scrolling the grid, every row scrolled onscreen is the default 1 text line height, irregardless of data.In any case, resizing the AdvancedDataGrid (not resizing its columns, but the grid itself) forces all rows to snap to the correct desired height.Scrolling again produces incorreclty sized rows.
Additionally, the layout of each entity in the row is determined by several external factors - most commonly being visible range (along the horizontal). Changing this visible range will trigger all item renderers to resize themselves (through the custom layout class) to their new sizes and remeasuring the new DataGroup layout. This actually triggers a custom hierarchy parser which rebuilds all the ArrayCollections used inside the AdvandedDataGrid data provider, so ArrayCollections are dispatching change events that each row's DataGroup reacts to, so the DataGroup itself is invalidating its size and layout.These resizes do not trigger the AdvancedDataGrid to remeasure its row heights, and I must rezise the ADG itself again to snap the rows to the correct height.Anyone have any experience with dynamically sized rows in an AdvancedDataGrid or ItemRenderers which must forcibly make the AdvandedDataGrid re-layout its rows?
Unfortunately, I cannot provide source code as there are a huge number of classes going into this, hierarchial data, rolling up closed nodes into multiple rows, custom hierarchy parsers, a multitude of item renderers - that and its a Government contract.I have run into a similar issue with a much simpler item renderer, basically a label that will respect a max height, resize itself upto that height as its wordwrapping data will require, and then create scrollbars for itself. Again, the data sizes almost correclty when the grid is created, then changing the column width within the grid does not resize the row height as the item renderer adjusts to its new width. Only in resizing the grid itself do the item renderers resize correctly, create scroll bars, and the grids row heights are correct.The source for that item renderer:[code]Very wide column, no scroll bars, the labels measured height is shown in the row height.Smaller width column, some renderers have hit max height and are creating scroll bars, the last renderer is still using the measured height of the label.Smaller still column, all max heights are hit and scrollers are present for all labels, scrollers will select the row when used but allow scrolling so all text is viewable.
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Jul 3, 2010
This page describes how to override the drawHighlightIndicator/drawSelectionIndicators methods for the header of a DataGrid, but an AdvancedDataGrid does not have "headerClass" in mx_internal. It instead has an headerRenderer.
How can I remove those blasted highlights over an AdvancedDataGrid in Flex 3?
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Feb 26, 2011
I have implemented drag and drop between 2 AdvancedDataGrid, but the default behaviour from Flex displays the row data during the drag using the grid item renderer showing all 5 columns.
Instead, I would like to display an icon / image or my own custom item renderer during the drag and drop.
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Sep 23, 2010
I've two problems, the second of which is only an issue because it's a possible way to fix the first! I'm developing a Flex 4.1 application, using a Spark theme: I can't change these; Halo isn't an option. It's providing the facility to fill multiple-selected cells of an AdvancedDataGrid with a single character, from a single keypress. So the user selects their cells using the Shift key, hits H (for example) and sees all the cells update with H, without using an itemEditor but via grid keyDown events instead. Then they click somewhere else and the selection should clear.
However the visible selection isn't fully cleared and the newly coloured cells won't all change from their selected colour. Underneath I can verify that the selection has cleared: mygrid.selectedCells is empty. All behaviour afterwards points to some kind of display glitch with the grid: The cells aren't selected any more but they look like they are.
[Code]...
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Mar 22, 2012
I am using a 'Tilelist' and 'HBOX' as itemrenderer. In the HBOX I have checkbox.Passing arraycollection as dataprovider to TileList(my arraycollection length is 20). On selecting checkbox of item1 in the Tilelist and scroll the list I could see subsequent item as of item1 is selected. In blogs I found there is some issue of flex cache while using checkbox.
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" verticalGap="0" xmlns:local="*" height="500" >
<mx:Script>
[code]....
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Jun 10, 2010
I'm using an AdvancedDataGrid without the header row (AdvancedDataGrid.showHeaders="false"), my AdvancedDataGrid has 2 columns, where the first one will show a hierarchical data (tree).The tree may be very long and very deep or may contain a long string in the node label so the user will not be able to see the whole vale of the tree node, I want to be able to resize the column using the vertical separator of the gris (the one displayed/separates between columns) or to be able to define a horizontal scroll bar only for the first column.
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Nov 9, 2011
if i have two set of arraycollection like:
var abc:arraycollection = new arraycollection([{region:"AAA"}])
var cde:arraycollection = new arraycollection([{territory:"A"},{territory:"b"}])
how do i palm the above two set of arraycollection to advancedDatagrid
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Aug 2, 2011
I need to merge the cells as shown in the picture:
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Jun 12, 2010
I have a flex combobox as a datagrid itemEditor. However, after selecting an item in the combobox, its necessary to click out of the combo (i.e. into another cell or elsewhere in the app) for the value to be committed to the combo. Prior to this, the combo sits 'proud' of the datagrid and the value hasnt actually been committed.
Is there a way to force the value to be immediately committed after an item has been selected and for the combo to 'lose focus'?
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Sep 26, 2010
I have a skinnableDataContainer that I extended with some properties that I would like to use in my itemRenderer. When I try to call (from the itemrenderer)
extended_SkinnableDataContainer(owner).myProperty
I get an error stating that owner is a List and cannot be converted to extended_skinnabledatacontainer Is the owner not the hostComponent?Or is the hostComponent just something completely different?
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May 17, 2010
I am writing a custom item renderer to render a column series in my application.
Its a stacked chart and i want to use the same item renderer for both the column series. The color for each series in the stack is different and am setting that in the 'fill' property of the two series. My doubt is how can i get the color specified in the fill property of the column series from the item renderer. if this works then i can very well use the same renderer for both series.
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Jul 23, 2010
I am trying to get the selected date on the datagrid. I used the itemrenderer to display the datefield on my datagrid.
<mxataGridColumn dataField="dt" headerText="Date of Transaction" itemRenderer="mx.controls.DateField" rendererIsEditor="true" editorDataField="selectedDate"/>
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Nov 22, 2009
I created a list control at runtime as following:
[Code]....
//Where myDataArray is an ArrayCollection consisting of my Custom ValueObjects. When i execute the code it displays my list with custom item renderer, which is fine. But when bring my mouse over it, it doesn't give any colour highlight which means it is not selecting. Secondly, when i click on any of the list item, it doesn't dispatch any change event. I tried a lot but couldn't understand it.
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Sep 28, 2010
I have an arrayCollection with strings in them, is there some way I can databind a RadioButtonGroup to the array collection? As we can do for combo boxes [code]There is no RadioButtonGroup.dataprovider property.
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Mar 21, 2011
Multiple axis creation via MXML works fine:
http:[url]...
But when I'm trying dynamically create horizontal and vertical axis then I'm getting extra axes. I believe this is Adobe bug. How I can fix this behavior?
<?xml version="1.0" encoding="utf-8"?>
<s:Application
minHeight="600"[code].....
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Feb 12, 2012
I'm using Flex 4 and I need to render the data that resembles HTML Table with row span in a Flex component.My inclination was to use a DataGrid but I believe that rowSpan is not supported for that component. I looked at the AdvancedDataGrid but the user does not want to have a tree-structure in any of the columns. Looking to see if there are any hints/tips for modifying the DataGrid or AdvancedDataGrid to produce an "HTML Table with rowspan" look.
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Sep 2, 2010
Is there any way to detect if AdvancedDataGrid itemClick event is actually caused by the user dragging? I'd like to take action on click, but ignore drag.
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Aug 5, 2009
I have an AdvancedDatagrid, whose dataProvider is an ArrayCollection that contains 1 row of displayable stuff.Flex continues to display about 6 rows, the top one filled, the rest blank.I've set the rowCount="1", with no luck.
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Jun 3, 2010
after multiple Selection in a advanced datagrid, I want to check if the clicked row, was already selected. Anyway my idea below (in the nested if clause I want to check if the newly clicked item's processing data is already in the added Array Collection) is not working, but I assume there must be a better way to differiante if an click was made on a already selected row.
model.processingData = out;
if (model.selectedIndices.length > 1){
//check if item already added
[code].....
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Dec 14, 2010
I would like to add new row on the fly (runtime) to my AdvancedDataGrid.I can add it to the data model, but couldn't find a way to make the table render and show the new row.What i am seeking for is to create an effect of expandable item, where clicking on row will show "additional information" (like a drawer) and clicking on row expand button will reveal it's children.I saw examples of this for dataGrid (http:url...), but not for AdavancedDataGrid.Only way I found to do this is to add a new child and use openItem, but this cause the other children to be visible as well.
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Sep 9, 2011
need my AdvancedDataGrid group by the name of the person, but I'm having trouble because the groupingField not accept "objectPeople.idPeople"
the name of the groupingField not accept "objectPeople.idPeople"?
GroupingField name="people.idPeople" <--error??
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Jul 7, 2009
I've got a subclass of AdvancedDataGrid showing a tree-like data structure. How can I, given the index returned by calculateDropIndex, get the item at that index? After reading through reams of code, it seems like the least terrible way is:
var oldSelectedIndex:int = this.selectedIndex;
var mouseOverIndex:int = this.calculateDropIndex(event);
this.selectedItem = mouseOverIndex;
var item:* = this.selectedItem;
this.selectedIndex = oldSelectedIndex;
The other option seems to be tinkering around with the iterator property... But, judging by the way I've seen it used, that will get pretty harry pretty quickly too. So, how can I get the item at a particular index in an advanced datagrid without going insane?
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Oct 25, 2010
I've a problem, I'm using an AdvancedDataGrid. It loads about 3000 records with about 20 columns. I constantly get Flex execution timeout because the grid executes a lot inside LayoutManager. How can I make it asyncronousely or faster at all?
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Nov 9, 2010
I have an AdvancedDataGrid and need to export it as PDF for printing. Can you suppose me some useful links or ideas on that topic?
Note : is another better sugestion that make this possible, working with Java? Need a quick response.
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Mar 8, 2011
how to query an ADG (or its rows) to figure out how many rows are currently visible (i.e. not collapsed) when displaying different levels of a hierarchical collection?In other words I'd like a function that tells me that 7 lines are visible in this view and 1 line is available in this one.
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