Bug 148365 dataset script methods management
Create a report with several datasets (scripted ones, in my case). Select the first one, then choose the script tab ; write some script Save the report Select another one, then choose the script tab (same method ; write some script Save the report Select the first one again, then change the script DONT save Select the over one : the changes made to the first one appears ! => you may save the repor and search for a while before understanding the pb...
UI/org.eclipse.birt.report.designer.ui.editors.schematic/src/org/eclipse/birt/report/designer/internal/ui/editors/script/JSEditor.java
if ( isCodeModified( ) && editObject instanceof DesignElementHandle )
		{
			saveEditorContentsDE( (DesignElementHandle) editObject );
		}
		setIsModified( false );
	}
	/**
	 * @param b
	 */
	public void setIsModified( boolean b )
	{
		isModified = b;
	}
	private boolean isCodeModified( )
	{
		return isModified;
	}
	public void saveModelIfNeeds( )
	{
		if ( checkEditorActive( ) )
		{
			if ( isCodeModified( ) && editObject instanceof DesignElementHandle )
			{
				saveEditorContentsDE( (DesignElementHandle) editObject );
			}
		}
	}
	protected void markDirty( )
	{
		this.isModified = true;