Posts Tagged ‘Flex’
Loads of new features in Flash Builder 4…
Posted by: Sameer on: June 6, 2009
- In: Actionscript | Flash Builder | Flex | Flex Builder
- 1 Comment
The new Flash Builder 4 (formerly Flex Builder) is out in its Beta. It has loads of new features. Some of them are – Developer Productivity – Event Handler generation, Getter/setter generation code indentation, file templates, etc.. Debugging – Contitional Breakpoint, Run to line, etc.. Working with data in a brand new way (Data Centric [...]
Dynamically creating a column grouped AdvancedDataGrid
Posted by: Sameer on: April 25, 2008
- In: Actionscript | Advanced DataGrid | Flex
- 16 Comments
Usually people like to write the AdvancedDataGrid component in mxml. But there are some scenarios where there is a need to create the grid dynamically. Here is a simple sample in which an AdvancedDataGrid is created dynamically with column groups. Source is posted here.
AdvancedDataGrid Performance Polls
Posted by: Sameer on: April 7, 2008
- In: Actionscript | Advanced DataGrid | Flex
- 12 Comments
Hello Advanced DataGrid users, We have added a poll about AdvancedDataGrid’s performance. Please take part in the poll and help us identify the areas which needs improvement. The poll is hosted at flexpearls Thanks again.
Advanced DataGrid as an item renderer within an Advanced DataGrid
Posted by: Sameer on: April 7, 2008
In this sample, I’m using an Advanced DataGrid as an item renderer within another Advanced DataGrid. This type of configuration is very useful to give a master-detail view. This configuration can be customized more depending on any specific requirements. Sample here Application Source, Renderer source Thanks to Sreeni for coming up with this.
Extracting the source from an IHierarchicalCollectionView
Posted by: Sameer on: March 14, 2008
- In: Actionscript | Flex
- 16 Comments
When you set Object/Collection as a source for an AdvancedDataGrid to display the source in a Hierarchical manner, the AdvancedDataGrid.dataProvider will return an instance of IHierarchicalCollectionView because internally the source is used to construct a HierarchicalCollectionView which is returned via the dataProvider property. What if, you want the original source from this IHierarchicalCollectionView. Well, there [...]
A 3-state checkbox in an AdvancedDataGrid ItemRenderer
Posted by: Sameer on: February 18, 2008
- In: Actionscript | Flex
- 120 Comments
There is a post in Flex component Yahoo group on how to show a 3-state checkbox in an AdvancedDataGrid. It has been implemented for the Flex Tree Control in the Flex cookbook. I thought lets write a similar example for AdvancedDataGrid. I made some changes in the original sample and here it is; working for [...]
Showing Summary with the Group Node
Posted by: Sameer on: February 13, 2008
- In: Actionscript | Flex
- 16 Comments
This example shows how AdvancedDataGrid can be configured to show summary with the Group node. Here, I’m using GroupingCollection to calculate the Summary with summaryPlacement being “group”. Then using groupLabelFunction in AdvancedDataGrid and returning the Group Node’s value plus the Summary value. Source mxml is located here.
Accessing Grouping.label in Summary Rows in AdvancedDataGrid
Posted by: Sameer on: December 6, 2007
- In: Actionscript | Flex
- 13 Comments
The GroupLabel specified while creating a GroupingCollection can be accessed while displaying summaries in AdvancedDataGrid. Although, accessing the GroupLabel in summary rows can be quite a tedious task but it can be very useful. Here is a sample. In this sample, the Group name is displayed in the summary rows along with the value for [...]
Filtering of Hierarchical Data in AdvancedDataGrid
Posted by: Sameer on: October 12, 2007
- In: Actionscript | Flex
- 67 Comments
Filtering of Hierarchical Data in AdvancedDataGrid is quite straight forward. Assign the filter function to the ADG’s dataProvider and call refresh() – // assign filter function to //the AdvancedDataGrid’s dataProvider IHierarchicalCollectionView( adg.dataProvider).filterFunction = myFilterFunc; // refresh the ADG’s dataProvider IHierarchicalCollectionView( adg.dataProvider).refresh(); Here is a Sample And the Source
Embedding text files in a Flex Application
Posted by: Sameer on: September 19, 2007
- In: Actionscript | Flex
- 10 Comments
One of my team member had a query on how to embed a text file in a Flex Application. We searched the help files but in vain. The text cannot be retrieved if we use the following (Instead it will be better if I say, we didn’t find a way to retrieve it ) – [...]
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