Bug 172431 [eclipse3.3only]BPS17-4.5 Adding Date picker to input DateTime value for Axis Scale
In Axis Scale dialog, provide a Data picker next to the input box for convenience of inputting DataTime value.
chart/org.eclipse.birt.chart.ui.extension/src/org/eclipse/birt/chart/ui/swt/composites/TextEditorComposite.java
this.txtValue.setEnabled( bState );
		this.bEnabled = bState;
	}
	public boolean isEnabled( )
	{
		return this.bEnabled;
	}
	public void setText( String sText )
	{
		txtValue.setText( sText );
	}
	public String getText( )
	{
		return txtValue.getText( );
	}
	public void setToolTipText( String string )
	{
		txtValue.setToolTipText( string );
	}
	public void addListener( Listener listener )
	{
		vListeners.add( listener );
	}
	/**
	 * Sets the default value when current text is for numeric only. If the
	 * inputed text is not numeric, will use this default value.
	 * 
	 * @param value
	 *            default value
	 */