| /******************************************************************************* |
| * Copyright (c) 2001, 2010 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.xsd.ui.internal.adt.design.editparts; |
| |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.draw2d.geometry.Rectangle; |
| import org.eclipse.gef.AccessibleEditPart; |
| import org.eclipse.gef.EditPart; |
| import org.eclipse.gef.EditPartFactory; |
| import org.eclipse.gef.GraphicalViewer; |
| import org.eclipse.gef.editparts.AbstractGraphicalEditPart; |
| import org.eclipse.gef.editparts.ScalableRootEditPart; |
| import org.eclipse.gef.editparts.ZoomListener; |
| import org.eclipse.gef.editparts.ZoomManager; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.accessibility.AccessibleEvent; |
| import org.eclipse.swt.graphics.Font; |
| import org.eclipse.swt.graphics.FontData; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.ui.IEditorInput; |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.IFileEditorInput; |
| import org.eclipse.ui.IWorkbench; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchWindow; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.ide.FileStoreEditorInput; |
| import org.eclipse.wst.xsd.ui.internal.adt.design.editparts.model.IActionProvider; |
| import org.eclipse.wst.xsd.ui.internal.adt.design.editparts.model.IFeedbackHandler; |
| import org.eclipse.wst.xsd.ui.internal.adt.design.editpolicies.KeyBoardAccessibilityEditPolicy; |
| import org.eclipse.wst.xsd.ui.internal.adt.design.figures.IFigureFactory; |
| import org.eclipse.wst.xsd.ui.internal.adt.editor.CommonMultiPageEditor; |
| import org.eclipse.wst.xsd.ui.internal.adt.facade.IADTObject; |
| import org.eclipse.wst.xsd.ui.internal.adt.facade.IADTObjectListener; |
| |
| public abstract class BaseEditPart extends AbstractGraphicalEditPart implements IActionProvider, IADTObjectListener, IFeedbackHandler |
| { |
| protected static final String[] EMPTY_ACTION_ARRAY = {}; |
| protected boolean isSelected = false; |
| protected boolean hasFocus = false; |
| protected static boolean isHighContrast = Display.getDefault().getHighContrast(); |
| protected AccessibleEditPart accessiblePart; |
| |
| public IFigureFactory getFigureFactory() |
| { |
| EditPartFactory factory = getViewer().getEditPartFactory(); |
| Assert.isTrue(factory instanceof IFigureFactory, "EditPartFactory must be an instanceof of IFigureFactory"); //$NON-NLS-1$ |
| return (IFigureFactory)factory; |
| } |
| |
| public String[] getActions(Object object) |
| { |
| Object model = getModel(); |
| if (model instanceof IActionProvider) |
| { |
| return ((IActionProvider)model).getActions(object); |
| } |
| return EMPTY_ACTION_ARRAY; |
| } |
| |
| protected void addActionsToList(List list, IAction[] actions) |
| { |
| for (int i = 0; i < actions.length; i++) |
| { |
| list.add(actions[i]); |
| } |
| } |
| |
| public void activate() |
| { |
| super.activate(); |
| Object model = getModel(); |
| if (model instanceof IADTObject) |
| { |
| IADTObject object = (IADTObject)model; |
| object.registerListener(this); |
| } |
| |
| if (getZoomManager() != null) |
| getZoomManager().addZoomListener(zoomListener); |
| |
| } |
| |
| public void deactivate() |
| { |
| try |
| { |
| Object model = getModel(); |
| if (model instanceof IADTObject) |
| { |
| IADTObject object = (IADTObject)model; |
| object.unregisterListener(this); |
| } |
| |
| if (getZoomManager() != null) |
| getZoomManager().removeZoomListener(zoomListener); |
| } |
| finally |
| { |
| super.deactivate(); |
| } |
| } |
| |
| public void propertyChanged(Object object, String property) |
| { |
| refresh(); |
| } |
| |
| public void refresh() { |
| |
| boolean doUpdateDesign = doUpdateDesign(); |
| if (doUpdateDesign) |
| { |
| super.refresh(); |
| } |
| } |
| |
| public void addFeedback() |
| { |
| isSelected = true; |
| refreshVisuals(); |
| } |
| |
| public void removeFeedback() |
| { |
| isSelected = false; |
| refreshVisuals(); |
| } |
| |
| public ZoomManager getZoomManager() |
| { |
| return ((ScalableRootEditPart)getRoot()).getZoomManager(); |
| } |
| |
| public Rectangle getZoomedBounds(Rectangle r) |
| { |
| double factor = getZoomManager().getZoom(); |
| int x = (int)Math.round(r.x * factor); |
| int y = (int)Math.round(r.y * factor); |
| int width = (int)Math.round(r.width * factor); |
| int height = (int)Math.round(r.height * factor); |
| |
| return new Rectangle(x, y, width, height); |
| } |
| |
| private ZoomListener zoomListener = new ZoomListener() |
| { |
| public void zoomChanged(double zoom) |
| { |
| handleZoomChanged(); |
| } |
| }; |
| |
| protected void handleZoomChanged() |
| { |
| refreshVisuals(); |
| } |
| |
| public IEditorPart getEditorPart() |
| { |
| IEditorPart editorPart = null; |
| IWorkbench workbench = PlatformUI.getWorkbench(); |
| if (workbench != null) |
| { |
| IWorkbenchWindow workbenchWindow = workbench.getActiveWorkbenchWindow(); |
| if (workbenchWindow != null) |
| { |
| if (workbenchWindow.getActivePage() != null) |
| { |
| editorPart = workbenchWindow.getActivePage().getActiveEditor(); |
| } |
| } |
| } |
| // Assert.isNotNull(editorPart); |
| return editorPart; |
| } |
| |
| protected void createEditPolicies() |
| { |
| installEditPolicy(KeyBoardAccessibilityEditPolicy.KEY, new KeyBoardAccessibilityEditPolicy() |
| { |
| public EditPart getRelativeEditPart(EditPart editPart, int direction) |
| { |
| return doGetRelativeEditPart(editPart, direction); |
| } |
| }); |
| } |
| |
| |
| public EditPart doGetRelativeEditPart(EditPart editPart, int direction) |
| { |
| return null; |
| } |
| |
| protected boolean isFileReadOnly() |
| { |
| IWorkbench workbench = PlatformUI.getWorkbench(); |
| if (workbench != null) |
| { |
| IWorkbenchWindow workbenchWindow = workbench.getActiveWorkbenchWindow(); |
| if (workbenchWindow != null) |
| { |
| IWorkbenchPage page = workbenchWindow.getActivePage(); |
| if (page != null) |
| { |
| IEditorPart editor = page.getActiveEditor(); |
| if (editor != null) |
| { |
| IEditorInput editorInput = editor.getEditorInput(); |
| if (!(editorInput instanceof IFileEditorInput || editorInput instanceof FileStoreEditorInput)) |
| { |
| return true; |
| } |
| } |
| } |
| } |
| } |
| return false; |
| } |
| |
| // For https://bugs.eclipse.org/bugs/show_bug.cgi?id=218281 |
| // Don't want to refresh the design when changes are made in the source view. |
| protected boolean doUpdateDesign() |
| { |
| IWorkbench workbench = PlatformUI.getWorkbench(); |
| if (workbench != null) |
| { |
| IWorkbenchWindow workbenchWindow = workbench.getActiveWorkbenchWindow(); |
| if (workbenchWindow != null) |
| { |
| IWorkbenchPage page = workbenchWindow.getActivePage(); |
| if (page != null) |
| { |
| IEditorPart editorPart = page.getActiveEditor(); |
| if (editorPart instanceof CommonMultiPageEditor) |
| { |
| CommonMultiPageEditor editor = (CommonMultiPageEditor) editorPart; |
| GraphicalViewer viewer = (GraphicalViewer)editor.getAdapter(GraphicalViewer.class); |
| // Need to ensure this is the same editor we are working with since the active editor may not be |
| // the current, eg. at startup, there can be another XSD Editor open on the source page, so we could end |
| // up not populating the design view initally |
| if (getViewer() == viewer) |
| { |
| // If source page is active, don't update the design |
| return !editor.isSourcePageActive(); |
| } |
| } |
| } |
| } |
| } |
| return true; |
| } |
| |
| /** |
| * Try to get the italic font for the current font |
| * @param font |
| * @return |
| */ |
| protected Font getItalicFont(Font font) |
| { |
| if (font != null && !font.isDisposed()) |
| { |
| FontData[] fd = font.getFontData(); |
| if (fd.length > 0) |
| { |
| fd[0].setStyle(fd[0].getStyle() | SWT.ITALIC); |
| return new Font(font.getDevice(), fd); |
| } |
| } |
| return font; |
| } |
| protected AccessibleEditPart getAccessibleEditPart() { |
| |
| if (accessiblePart ==null) |
| { |
| accessiblePart = new AccessibleGraphicalEditPart(){ |
| |
| public void getName(AccessibleEvent e) { |
| e.result = getReaderText(); |
| } |
| }; |
| } |
| return accessiblePart; |
| } |
| public String getReaderText() |
| { |
| return ""; |
| } |
| } |