<?xml version="1.0" encoding="utf-8"?>
<!--

  Licensed to the Apache Software Foundation (ASF) under one or more
  contributor license agreements.  See the NOTICE file distributed with
  this work for additional information regarding copyright ownership.
  The ASF licenses this file to You under the Apache License, Version 2.0
  (the "License"); you may not use this file except in compliance with
  the License.  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.

-->
<s:DataGrid 
    xmlns:fx="http://ns.adobe.com/mxml/2009" 
    xmlns:s="library://ns.adobe.com/flex/spark"
    requestedRowCount="10"
    requestedColumnCount="5"    
    dataProvider="{dp1}"
    columns="{cols}"
    rowHeight="25"
	lockedRowCount="2"
	lockedColumnCount="2">
    	
	<fx:Declarations>
		<s:ArrayCollection id="dp1">
			<s:DataItem col0="R00C0" col1="R00C1" col2="R00C2" col3="R00C3" col4="R00C4" col5="R00C5" col6="R00C6" col7="R00C7" col8="R00C8" col9="R00C9"/>
			<s:DataItem col0="R01C0" col1="R01C1" col2="R01C2" col3="R01C3" col4="R01C4" col5="R01C5" col6="R01C6" col7="R01C7" col8="R01C8" col9="R01C9"/>
			<s:DataItem col0="R02C0" col1="R02C1" col2="R02C2" col3="R02C3" col4="R02C4" col5="R02C5" col6="R02C6" col7="R02C7" col8="R02C8" col9="R02C9"/>
			<s:DataItem col0="R03C0" col1="R03C1" col2="R03C2" col3="R03C3" col4="R03C4" col5="R03C5" col6="R03C6" col7="R03C7" col8="R03C8" col9="R03C9"/>
			<s:DataItem col0="R04C0" col1="R04C1" col2="R04C2" col3="R04C3" col4="R04C4" col5="R04C5" col6="R04C6" col7="R04C7" col8="R04C8" col9="R04C9"/>
			<s:DataItem col0="R05C0" col1="R05C1" col2="R05C2" col3="R05C3" col4="R05C4" col5="R05C5" col6="R05C6" col7="R05C7" col8="R05C8" col9="R05C9"/>
			<s:DataItem col0="R06C0" col1="R06C1" col2="R06C2" col3="R06C3" col4="R06C4" col5="R06C5" col6="R06C6" col7="R06C7" col8="R06C8" col9="R06C9"/>
			<s:DataItem col0="R07C0" col1="R07C1" col2="R07C2" col3="R07C3" col4="R07C4" col5="R07C5" col6="R07C6" col7="R07C7" col8="R07C8" col9="R07C9"/>
			<s:DataItem col0="R08C0" col1="R08C1" col2="R08C2" col3="R08C3" col4="R08C4" col5="R08C5" col6="R08C6" col7="R08C7" col8="R08C8" col9="R08C9"/>
			<s:DataItem col0="R09C0" col1="R09C1" col2="R09C2" col3="R09C3" col4="R09C4" col5="R09C5" col6="R09C6" col7="R09C7" col8="R09C8" col9="R09C9"/>
			<s:DataItem col0="R10C0" col1="R10C1" col2="R10C2" col3="R10C3" col4="R10C4" col5="R10C5" col6="R10C6" col7="R10C7" col8="R10C8" col9="R10C9"/>
			<s:DataItem col0="R11C0" col1="R11C1" col2="R11C2" col3="R11C3" col4="R11C4" col5="R11C5" col6="R11C6" col7="R11C7" col8="R11C8" col9="R11C9"/>
			<s:DataItem col0="R12C0" col1="R12C1" col2="R12C2" col3="R12C3" col4="R12C4" col5="R12C5" col6="R12C6" col7="R12C7" col8="R12C8" col9="R12C9"/>
			<s:DataItem col0="R13C0" col1="R13C1" col2="R13C2" col3="R13C3" col4="R13C4" col5="R13C5" col6="R13C6" col7="R13C7" col8="R13C8" col9="R13C9"/>
			<s:DataItem col0="R14C0" col1="R14C1" col2="R14C2" col3="R14C3" col4="R14C4" col5="R14C5" col6="R14C6" col7="R14C7" col8="R14C8" col9="R14C9"/>
			<s:DataItem col0="R15C0" col1="R15C1" col2="R15C2" col3="R15C3" col4="R15C4" col5="R15C5" col6="R15C6" col7="R15C7" col8="R15C8" col9="R15C9"/>
			<s:DataItem col0="R16C0" col1="R16C1" col2="R16C2" col3="R16C3" col4="R16C4" col5="R16C5" col6="R16C6" col7="R16C7" col8="R16C8" col9="R16C9"/>
			<s:DataItem col0="R17C0" col1="R17C1" col2="R17C2" col3="R17C3" col4="R17C4" col5="R17C5" col6="R17C6" col7="R17C7" col8="R17C8" col9="R17C9"/>
			<s:DataItem col0="R18C0" col1="R18C1" col2="R18C2" col3="R18C3" col4="R18C4" col5="R18C5" col6="R18C6" col7="R18C7" col8="R18C8" col9="R18C9"/>
			<s:DataItem col0="R19C0" col1="R19C1" col2="R19C2" col3="R19C3" col4="R19C4" col5="R19C5" col6="R19C6" col7="R19C7" col8="R19C8" col9="R19C9"/>					
		</s:ArrayCollection>
		
		<s:ArrayCollection id="cols">
			<s:GridColumn id="c0" dataField="col0" headerText="Col 0"/>
			<s:GridColumn id="c1" dataField="col1" headerText="Col 1"/>
			<s:GridColumn id="c2" dataField="col2" headerText="Col 2"/>
			<s:GridColumn id="c3" dataField="col3" headerText="Col 3"/>
			<s:GridColumn id="c4" dataField="col4" headerText="Col 4"/>
			<s:GridColumn id="c5" dataField="col5" headerText="Col 5"/>
			<s:GridColumn id="c6" dataField="col6" headerText="Col 6"/>
			<s:GridColumn id="c7" dataField="col7" headerText="Col 7"/>
			<s:GridColumn id="c8" dataField="col8" headerText="Col 8"/>
			<s:GridColumn id="c9" dataField="col9" headerText="Col 9"/>
		</s:ArrayCollection>	
		
		<s:DataItem id="myDI_1" col0="NEW01" col1="R00C1" col2="R00C2" col3="R00C3" col4="R00C4" col5="R00C5" col6="R00C6" col7="R00C7" col8="R00C8" col9="R00C9"/>
		<s:DataItem id="myDI_2" col0="NEW02" col1="R00C1" col2="R00C2" col3="R00C3" col4="R00C4" col5="R00C5" col6="R00C6" col7="R00C7" col8="R00C8" col9="R00C9"/>		
		<s:GridColumn id="myGC_1" headerText="New Col 1" width="60"/>
		<s:GridColumn id="myGC_2" headerText="New Col 2" width="60"/>
	</fx:Declarations>
	
	<fx:Script> 
        <![CDATA[         	        
			/*
			*  Returns true if the DataGrid item renderer at rowIndex, columnIndex is completely visible.
			*/
			public function isItemRendererVisible(rowIndex:int, columnIndex:int):Boolean
			{
				const renderer:DisplayObject = this.grid.getItemRendererAt(rowIndex, columnIndex) as DisplayObject;
				
				if (!renderer.parent)
					return false;
					
				const view:DisplayObject = renderer.parent.parent as DisplayObject;
				const rendererBounds:Rectangle = renderer.getRect(view);
				const viewScrollRect:Rectangle = view.scrollRect;
				
				if (!viewScrollRect)  // The GridView isn't being clipped, probably because it's locked
					return true;
				
				viewScrollRect.inflate(1, 1); // grow the scrollRect by 1 pixel to allow for minor differences
				
				return (rendererBounds.left >= viewScrollRect.left) &&
					(rendererBounds.top >= viewScrollRect.top) && 
					(rendererBounds.right <= viewScrollRect.right) &&
					(rendererBounds.bottom <= viewScrollRect.bottom);
			}
					
			/*
			* This method is used to check if the itemRenderer specified by the argument is within
			* the DataGrid's scrollRect.  A tolerance of 1 is used for minor variations
			*/
			public function isCellInScrollRect(rowIndx:int, colIndx:int):Boolean
			{     
				try
				{             
					return isItemRendererVisible(rowIndx, colIndx);
				} 
				catch(err:Error) 
				{
					trace("Spark DataGrid trace: Error caught from checkIRinScrollRect method: " + err.message);                             
				}				
				return false;
			}              			               
        ]]> 
    </fx:Script> 	
	
</s:DataGrid>