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/GanttChart.java
{
	/**
	 * Comment for <code>TYPE_LITERAL</code>
	 */
	public static final String TYPE_LITERAL = "Gantt Chart"; 
	private static final String STANDARD_SUBTYPE_LITERAL = "Standard Gantt Chart"; 
	public static final String CHART_TITLE = Messages.getString( "GanttChart.Txt.DefaultGanttChartTitle" ); 
	private static final String sStandardDescription = Messages.getString( "GanttChart.Txt.Description" ); 
	private transient Image imgIcon = null;
	private transient Image img2D = null;
	private static final String[] saDimensions = new String[]{
		TWO_DIMENSION_TYPE
	};
	public GanttChart( )
	{