Bug 130262 [Regression]Click Data Explorer does not cancel palette insert mode
Description: Click Data Explorer does not cancel palette insert mode. Steps to reproduce: 1. Click grid in Palette, then click Data Explorer Result: Move mouse to Layout, it still keep the status of insert grid mode. By the way, after step1, if I clicked a col in dataset and drag it to Layout, the column was inserted as expected but the mouse cursor still kept the insert grid mode.
UI/org.eclipse.birt.report.designer.ui.editors/src/org/eclipse/birt/report/designer/ui/editors/MultiPageReportEditor.java
}
		Object palette = activePageInstance.getAdapter( PalettePage.class );
		fPalettePage.setActivePage( (IPageBookViewPage) palette );
	}
	public void pageChange( String id )
	{
		IFormPage page = findPage( id );
		if ( page != null )
		{
			pageChange( page.getIndex( ) );
		}
	}
	protected void pageChange( int newPageIndex )
	{
		int oldPageIndex = getCurrentPage( );
		if ( oldPageIndex == newPageIndex )
		{
			return;
		}
		if ( oldPageIndex != -1 )
		{
			Object oldPage = pages.get( oldPageIndex );
			Object newPage = pages.get( newPageIndex );
			
			
			super.pageChange( newPageIndex );
			
			if ( !prePageChanges( oldPage, newPage ) )
			{
				super.setActivePage( oldPageIndex );