Bug 192585 The Tube/Cone/Pyramid Chart Y Axis type will be Date/Time after change type to Gantt then change back [0001]
Description: The Tube/Cone/Pyramid Chart Y Axis type will be Date/Time after change type to Gantt then change back Build number: 2.2.0.v20070614-0939 Steps to reproduce: 1. Drag a chart from the Palette to the Layout. 2. Select chart type as Gantt, then change to Tube/Cone/Pyramid. Expected result: The Chart in the preview pane is the same as the one when chart builder first opened. Actual result: Their Y Axis type change to Date/Time(see the screenshot). Error log: N/A
chart/org.eclipse.birt.chart.ui.extension/src/org/eclipse/birt/chart/ui/swt/type/TubeChart.java
* (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.ui.swt.interfaces.IChartType#supportsTransposition()
	 */
	public boolean supportsTransposition( )
	{
		return true;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.ui.swt.interfaces.IChartType#supportsTransposition(java.lang.String)
	 */
	public boolean supportsTransposition( String dimension )
	{
		if ( ChartUIUtil.getDimensionType( dimension ) == ChartDimension.THREE_DIMENSIONAL_LITERAL )
		{
			return false;
		}
		return supportsTransposition( );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.ui.swt.interfaces.IChartType#canAdapt(org.eclipse.birt.chart.model.Chart,
	 *      java.util.Hashtable)
	 */
	public boolean canAdapt( Chart cModel, Hashtable htModelHints )
	{
		return false;