Spark Datagrid - Show all rows using requestedRowCount & variableRowHeight=true
I have a Spark Datagrid that has variableRowHeight=true. I also have the requestedRowCount set to the length of the dataProvider. So, in theory the rows shown should be the same number in the dataprovider(Arraycollection). However, the problem is that due to having variableRowHeight=true and some rows being multiline, in some instances, all of the rows are not getting shown.
Suggestions on how I can fix this issue?
Thanks, in advance.
Does anyone have a solution for this? I have exactly the same problem.
Datagrid with requestedRowCount="-1" and variableRowHeight="true"
No issue with autoexpanding the grid - and no issue with autoexpanding the row height with word-wrapped text.
But when combined - a grid that has 5 elements in dataprovider will only show 3 - if one row has been expanded to handle the word-wrapped data.
Is it possible to count the rowheights and override the measure function with minheight or measuredminheight?
Or do I need to call something other than invalidateDisplayList after dataprovider changes?
Any suggestions or sample code would be welcomed.
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Flex Spark DataGrid BUG skipping rows on refresh
I have a small one file example that demonstrates this Flex DataGrid bug.
I tried to report it to Flex bugs and the page timed out.
I am filling a column in a spark datagrid with checkboxes to select that row.
In the header of that column is a checkbox to select ALL the rows.
However, the middle row is not getting refreshed so the display is wrong.
The checkbox looks empty when the backing value is correct.
I have added a print to the code that sets the values in the data and it is setting everyone.
But when I print the isSelected code it is NOT being called on ONE (the middle) visible row.
If I move away or scroll up and down the check box shows the check mark.
So My only conclusion is that refresh has a bug.
Here is the example that demonstrates the problem.
Simply select the header checkbox and the 3rd checkbox does not get updated on refresh.
<?xml version="1.0" encoding="utf-8"?>
<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" minWidth="955" minHeight="600">
<fx:Script>
<![CDATA[
import mx.collections.ArrayCollection;
private static var values:Array = [
{selected: false, position: 1},
{selected: false, position: 2},
{selected: false, position: 3},
{selected: false, position: 4},
{selected: false, position: 5}
[Bindable]
public static var datalist:ArrayCollection = new ArrayCollection( values );
public static function updateDataList( value:Boolean ):void
for each( var item:Object in datalist ) {
trace( "updated: " + item.position );
item.selected = value;
datalist.refresh();
]]>
</fx:Script>
<s:DataGrid dataProvider="{datalist}">
<s:columns>
<s:ArrayList>
<s:GridColumn dataField="position" width="200"/>
<s:GridColumn width="34" >
<s:itemRenderer>
<fx:Component>
<s:GridItemRenderer textAlign="center">
<fx:Script>
<![CDATA[
private function changeSelection( data:Object, event:MouseEvent ):void
data.selected = ! data.selected;
private function isSelected( data:Object ):Boolean
trace( "isSelected: " + data.position );
return data.selected;
]]>
</fx:Script>
<s:layout>
<s:HorizontalLayout horizontalAlign="center" verticalAlign="middle"/>
</s:layout>
<s:CheckBox id="selbox" label="" selected="{isSelected(data)}"
click="changeSelection(data, event)"/>
</s:GridItemRenderer>
</fx:Component>
</s:itemRenderer>
<s:headerRenderer>
<fx:Component>
<s:GridItemRenderer height="30">
<fx:Script>
<![CDATA[
[Bindable]
private static var selectAll:Boolean = false;
private function changeAllSelection( event:MouseEvent ):void
selectAll = ! selectAll;
Main.updateDataList( selectAll );
]]>
</fx:Script>
<s:layout>
<s:VerticalLayout horizontalAlign="center" verticalAlign="middle"/>
</s:layout>
<s:CheckBox label="" selected="{selectAll}"
click="changeAllSelection(event)"/ >
</s:GridItemRenderer>
</fx:Component>
</s:headerRenderer>
</s:GridColumn>
</s:ArrayList>
</s:columns>
</s:DataGrid>
</s:Application>
Here is an image of the failed result... after selecting the top checkbox.
Below is an image of the output produced by the two traces.
Notice that the refresh has not called isSelected on the 3rd element.I have a small one file example that demonstrates this Flex DataGrid bug.
I tried to report it to Flex bugs and the page timed out.
I am filling a column in a spark datagrid with checkboxes to select that row.
In the header of that column is a checkbox to select ALL the rows.
However, the middle row is not getting refreshed so the display is wrong.
The checkbox looks empty when the backing value is correct.
I have added a print to the code that sets the values in the data and it is setting everyone.
But when I print the isSelected code it is NOT being called on ONE (the middle) visible row.
If I move away or scroll up and down the check box shows the check mark.
So My only conclusion is that refresh has a bug.
Here is the example that demonstrates the problem.
Simply select the header checkbox and the 3rd checkbox does not get updated on refresh.
<?xml version="1.0" encoding="utf-8"?>
<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" minWidth="955" minHeight="600">
<fx:Script>
<![CDATA[
import mx.collections.ArrayCollection;
private static var values:Array = [
{selected: false, position: 1},
{selected: false, position: 2},
{selected: false, position: 3},
{selected: false, position: 4},
{selected: false, position: 5}
[Bindable]
public static var datalist:ArrayCollection = new ArrayCollection( values );
public static function updateDataList( value:Boolean ):void
for each( var item:Object in datalist ) {
trace( "updated: " + item.position );
item.selected = value;
datalist.refresh();
]]>
</fx:Script>
<s:DataGrid dataProvider="{datalist}">
<s:columns>
<s:ArrayList>
<s:GridColumn dataField="position" width="200"/>
<s:GridColumn width="34" >
<s:itemRenderer>
<fx:Component>
<s:GridItemRenderer textAlign="center">
<fx:Script>
<![CDATA[
private function changeSelection( data:Object, event:MouseEvent ):void
data.selected = ! data.selected;
private function isSelected( data:Object ):Boolean
trace( "isSelected: " + data.position );
return data.selected;
]]>
</fx:Script>
<s:layout>
<s:HorizontalLayout horizontalAlign="center" verticalAlign="middle"/>
</s:layout>
<s:CheckBox id="selbox" label="" selected="{isSelected(data)}"
click="changeSelection(data, event)"/>
</s:GridItemRenderer>
</fx:Component>
</s:itemRenderer>
<s:headerRenderer>
<fx:Component>
<s:GridItemRenderer height="30">
<fx:Script>
<![CDATA[
[Bindable]
private static var selectAll:Boolean = false;
private function changeAllSelection( event:MouseEvent ):void
selectAll = ! selectAll;
Main.updateDataList( selectAll );
]]>
</fx:Script>
<s:layout>
<s:VerticalLayout horizontalAlign="center" verticalAlign="middle"/>
</s:layout>
<s:CheckBox label="" selected="{selectAll}"
click="changeAllSelection(event)"/ >
</s:GridItemRenderer>
</fx:Component>
</s:headerRenderer>
</s:GridColumn>
</s:ArrayList>
</s:columns>
</s:DataGrid>
</s:Application>
Here is an image of the failed result... after selecting the top checkbox.
Below is an image of the output produced by the two traces.
Notice that the refresh has not called isSelected on the 3rd element. -
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BeanClass="it.ws.sma.prmz.ejb.model.VwEntePrmzRefr"
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/>
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var="row" styleClass="tableRefr #{backing_editReferenza.tableReferenzeStyleClass}"
rows="#{bindings.findAllVwEntePrmzRefr1.rangeSize}"
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the app is used to replicate entire databases, or agrupations of tables, from one database to another and it will have to be vendor independent... I'm trying with DB2, Oracle and MySQL. Later i will test it with more.
Then I couldn't use vendor dependent SQL neither configuration parameters. Also I prefer to make the import logging the actions: for restoring purposes; maybe the user will have the option but defaults to the ohter.
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I have requirement to show search results using region style table and should be able to export all the rows into excel with additional columns that are not shown in table region. Search results could be million rows.
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Hi,
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regards,
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lr_table_settings ?= l_value
data:
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Try once with changing 'Join' for both tables.
By default it will be "Inner join". Change that to "Left Outer" join.
DatabaseExpert>Links tab>Right click on Table link>Link options>In Join Type Select "Lefet outer Join" radio baox-->OK
Ragards,
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