Flash datagrid component tutorial

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This is part of the flash tutorials

Introduction

Learning goals

• Learn how to use the DataGrid component

Flash level

• CS3 and ActionScript 3

Prerequisites

To use the DataGrid component, you should know some ActionScript, e.g.

• Flash components overview
• ActionScript 3 interactive objects tutorial
• ActionScript 3 event handling tutorial
• Some XML (for some sections)

Moving on

• See the Flash tutorials

Level and target population

• Beginners

Quality

• This should help you solve some problems

Data Grid level 0

Let's create a table to display information about Learning management systems, i.e. datagrid with 3 colums. Column 1 is called "Name", column 2 is "Licence", column 3 is "Description.

Below we show three solutions:

• Doing as much as we can with Flash CS3
• Doing it with CS3 but using only ActionScript
• Doing it with AS3 only, i.e. the Flex way.

Adding code for a DataGrid instance

Step 1 - Make a DataGrid instance

• Open the components library (e.g. hit CTRL-F7)
• Drag a DataGrid to the stage
• Give it an instance name, e.g. datagrid

You now will see an emty square on the stage without any visual appeal.

Step 2 - Resize

In the properties panel, make it a big bigger, e.g. w:300 and H:300

Step 3 - Fill in some data with ActionScript

If your instance name is datagrid then hit F9 in frame 1 (or whereever you want it to be) and copy/paste this code:

datagrid.addColumn("Name");
datagrid.addColumn("Licence");
datagrid.addColumn("Description");
datagrid.addItem({Name:"Moodle", Licence:"GPL (free)", Description:"Good for blended activity-oriented teaching"});
datagrid.addItem({Name:"ATutor", Licence:"Free", Description:"Good for content-oriented teaching"});
datagrid.addItem({Name:"Blackboard", Licence:"Commercial", Description:"Good for content and exercice-oriented teaching"});
datagrid.addItem({Name:"MediaWiki", Licence:"GPL (free)", Description:"Good for writing-to-learn and technical mini-projects teaching"});

Alternative - Pure AS3 creation

Instead of opening the component library, then dragging the component to the stage and giving it an instance name, you could just enter the code below in frame 1 of the main timeline. Some explanations can be found in the //commented lines of the code.

// Import the necessary package
import fl.controls.DataGrid;
// Now create a a new instance of DataGrid and name it "datagrid_AS"
var datagrid_AS:DataGrid = new DataGrid();

datagrid_AS.addColumn("Name");
datagrid_AS.addColumn("Licence");
datagrid_AS.addItem({Name:"Moodle", Licence:"Free", Description:"Good for blended activity-oriented teaching"});
datagrid_AS.addItem({Name:"ATutor", Licence:"Free", Description:"Good for content-oriented teaching"});
datagrid_AS.addItem({Name:"Blackboard", Licence:"Commercial", Description:"Good  for content and exercice-oriented teaching"});

// Fix the size
datagrid_AS.width = 300;
// Position it at x=400 and y = 50
datagrid_AS.move(400, 50);

// Then add it to the stage
addChild(datagrid_AS);

Example code

• Directory:
• File

Links

Adobe tutorials

• Creating, populating, and resizing the DataGrid component
• Customizing and sorting the DataGrid component
• Filtering and formatting data in the DataGrid component

Other tutorials

• Using the DataGrid Component by Kirupa (July 2006).

Official documentation

• Using the DataGrid Adobe Flash CS3 Documentation
• fl.controls.dataGridClasses Reference manual for the controls (Adobe ActionScript 3.0 Language and Components Reference)

• fl.data Reference manual for data associated (Adobe ActionScript 3.0 Language and Components Reference)