crazyrabbit之疯兔子

// Import the required component classes.
import fl.controls.DataGrid;
import fl.controls.dataGridClasses.DataGridColumn;
import fl.data.DataProvider;

/* Create and populate a new DataProvider object. Note that three of the items
   in the data provider refer to externally-loaded images, whereas the last two
   items refer to symbol linkages in the library. */
var dp:DataProvider = new DataProvider();
dp.addItem({data:"http://www.helpexamples.com/flash/images/image1.jpg", title:"image1.jpg"});
dp.addItem({data:"http://www.helpexamples.com/flash/images/image2.jpg", title:"image2.jpg"});
dp.addItem({data:"http://www.helpexamples.com/flash/images/image3.jpg", title:"image3.jpg"});
dp.addItem({data:"Bear", title:"Bear.jpg"});
dp.addItem({data:"Lion", title:"Lion.jpg"});

// Create a new DataGridColumn object, and specify a custom cell renderer.
var dataCol:DataGridColumn = new DataGridColumn("data");
dataCol.cellRenderer = LoaderCellRenderer;

// Create a new DataGridColumn object.
var titleCol:DataGridColumn = new DataGridColumn("title");

/* Create a new DataGrid component instance, add the two DataGridColumn 
   objects created earlier, define the data provider and add the instance
   to the display list. */
var myDataGrid:DataGrid = new DataGrid();
myDataGrid.addColumn(dataCol);
myDataGrid.addColumn(titleCol);
myDataGrid.dataProvider = dp;
myDataGrid.rowHeight = 64;
myDataGrid.width = 200;
myDataGrid.rowCount = dp.length - 1;
myDataGrid.move(10, 10);
addChild(myDataGrid);

package {
    // Import the required component classes.
    import fl.containers.UILoader;
    import fl.controls.listClasses.ICellRenderer;
    import fl.controls.listClasses.ListData;
    import fl.core.InvalidationType;
    import fl.data.DataProvider;
    import flash.events.Event;
    /**
     * This class creates a custom cell renderer which displays an image in a cell.
     * Make sure the class is marked "public" and in the case of our custom cell renderer, 
     * extends the UILoader class and implements the ICellRenderer interface.
     */
    public class LoaderCellRenderer extends UILoader implements ICellRenderer {
        protected var _data:Object;
        protected var _listData:ListData;
        protected var _selected:Boolean;
        /**
         * Constructor.
         */
        public function LoaderCellRenderer():void {
            super();
        }
        /**
         * Gets or sets the cell's internal _data property.
         */
        public function get data():Object {
            return _data;
        }
        /** 
         * @private (setter)
         */
        public function set data(value:Object):void {
            _data = value;
            source = value.data;
        }
        /**
         * Gets or sets the cell's internal _listData property.
         */
        public function get listData():ListData {
            return _listData;
        }
        /**
         * @private (setter)
         */
        public function set listData(value:ListData):void {
            _listData = value;
            invalidate(InvalidationType.DATA);
            invalidate(InvalidationType.STATE);
        }
        /**
         * Gets or sets the cell's internal _selected property.
         */
        public function get selected():Boolean {
            return _selected;
        }
        /**
         * @private (setter)
         */
        public function set selected(value:Boolean):void {
            _selected = value;
            invalidate(InvalidationType.STATE);
        }
        /**
         * Sets the internal mouse state.
         */
        public function setMouseState(state:String):void {
        }
    }
}