Edit Event Formatter : Formatter « Data Model « Flex

Edit Event Formatter

Edit Event Formatter
Code from Flex 4 Documentation "Using Adobe Flex 4".

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<!-- itemRenderers\events\EndEditEventFormatter.mxml -->
<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">
        import mx.controls.TextInput; 
        import mx.events.DataGridEvent; 
        import mx.events.DataGridEventReason; 
        import mx.formatters.NumberFormatter; 
        import mx.collections.ArrayCollection; 
        private var initDG:ArrayCollection = new ArrayCollection([ 
            {Artist:'Pavement', Album:'Slanted and Enchanted',Price:11.99}, 
            {Artist:'Pavement', Album:'Brighten the Corners',Price:11.99 } 
        private var myFormatter:NumberFormatter=new NumberFormatter(); 
        public function formatData(event:DataGridEvent):void { 
            // Check the reason for the event. 
            if (event.reason == DataGridEventReason.CANCELLED){ 
                // Do not update cell. 
            // Get the new data value from the editor. 
            var newData:String= TextInput(event.currentTarget.itemEditorInstance).text; 
            if(newData == ""){ 
                // Prevent the user from removing focus, 
                // and leave the cell editor open. 
                // Write a message to the errorString property. 
                // This message appears when the user 
                // mouses over the editor. 
                TextInput(myGrid.itemEditorInstance).errorString="Enter a valid string."; 
    <mx:DataGrid id="myGrid" dataProvider="{initDG}" editable="true"
            <mx:DataGridColumn dataField="Artist" />
            <mx:DataGridColumn dataField="Album" />
            <mx:DataGridColumn dataField="Price" />


Related examples in the same category

1.Formatter ErrorFormatter Error
2.Data Formatting Using MXML FormattersData Formatting Using MXML Formatters
3.Formatting data with the formatter classesFormatting data with the formatter classes
4.End Edit Event FormatterEnd Edit Event Formatter
5.Set up the formatters.