Bug 146159 [Regression]Changing font operation doesn't work other than the first time
Description: The first time changing operation can work well. However, Change it again, it won't work. Steps: 1.Insert lable/text to layout or master page 2.Change the font from serif to cursive, it works well 3.Change the font again Result: The action doesn't work Additional infor: build number:200606080632
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/editparts/ReportElementEditPart.java
import org.eclipse.birt.report.designer.internal.ui.editors.notification.DeferredRefreshManager;
import org.eclipse.birt.report.designer.internal.ui.editors.parts.DeferredGraphicalViewer;
import org.eclipse.birt.report.designer.internal.ui.editors.schematic.border.BaseBorder;
import org.eclipse.birt.report.designer.internal.ui.editors.schematic.figures.IReportElementFigure;
import org.eclipse.birt.report.designer.internal.ui.editors.schematic.figures.ReportElementFigure;
import org.eclipse.birt.report.designer.internal.ui.editors.schematic.handles.AbstractGuideHandle;
import org.eclipse.birt.report.designer.internal.ui.util.ExceptionHandler;
import org.eclipse.birt.report.designer.internal.ui.util.Policy;
import org.eclipse.birt.report.designer.util.ColorManager;
import org.eclipse.birt.report.designer.util.DEUtil;
import org.eclipse.birt.report.designer.util.FontManager;
import org.eclipse.birt.report.designer.util.ImageManager;
import org.eclipse.birt.report.model.api.DesignElementHandle;
import org.eclipse.birt.report.model.api.MasterPageHandle;
import org.eclipse.birt.report.model.api.ModuleHandle;
import org.eclipse.birt.report.model.api.ReportItemHandle;
import org.eclipse.birt.report.model.api.StyleHandle;
import org.eclipse.birt.report.model.api.activity.NotificationEvent;
import org.eclipse.birt.report.model.api.activity.SemanticException;
import org.eclipse.birt.report.model.api.core.Listener;
import org.eclipse.birt.report.model.api.elements.DesignChoiceConstants;
import org.eclipse.birt.report.model.api.metadata.DimensionValue;
import org.eclipse.birt.report.model.api.util.ColorUtil;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.MouseEvent;
import org.eclipse.draw2d.MouseMotionListener;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Insets;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.draw2d.geometry.Rectangle;