| /******************************************************************************* |
| * Copyright (c) 2009, 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.e4.ui.internal.workbench.swt; |
| |
| import org.eclipse.e4.core.contexts.IEclipseContext; |
| import org.eclipse.e4.ui.model.application.ui.MContext; |
| import org.eclipse.e4.ui.model.application.ui.MElementContainer; |
| import org.eclipse.e4.ui.model.application.ui.MUIElement; |
| import org.eclipse.e4.ui.model.application.ui.MUILabel; |
| import org.eclipse.e4.ui.model.application.ui.basic.MPart; |
| import org.eclipse.e4.ui.workbench.modeling.EModelService; |
| import org.eclipse.e4.ui.workbench.modeling.EPartService; |
| |
| public abstract class AbstractPartRenderer { |
| public static final String OWNING_ME = "modelElement"; //$NON-NLS-1$ |
| |
| protected IEclipseContext context; |
| protected EModelService modelService; |
| |
| public void init(IEclipseContext context) { |
| this.context = context; |
| modelService = context.get(EModelService.class); |
| } |
| |
| public abstract Object createWidget(MUIElement element, Object parent); |
| |
| public abstract void processContents(MElementContainer<MUIElement> container); |
| |
| public void postProcess(MUIElement childElement) { |
| } |
| |
| public abstract void bindWidget(MUIElement me, Object widget); |
| |
| protected abstract Object getParentWidget(MUIElement element); |
| |
| public abstract void disposeWidget(MUIElement part); |
| |
| public abstract void hookControllerLogic(final MUIElement me); |
| |
| public abstract void childRendered( |
| MElementContainer<MUIElement> parentElement, MUIElement element); |
| |
| public void hideChild(MElementContainer<MUIElement> parentElement, |
| MUIElement child) { |
| } |
| |
| protected abstract Object getImage(MUILabel element); |
| |
| // |
| // public Object createMenu(Object widgetObject, MMenu menu) { |
| // return null; |
| // } |
| // |
| // public Object createToolBar(Object widgetObject, MToolBar toolBar) { |
| // return null; |
| // } |
| |
| /** |
| * Return a parent context for this part. |
| * |
| * @param element |
| * the part to start searching from |
| * @return the parent's closest context, or global context if none in the |
| * hierarchy |
| */ |
| protected IEclipseContext getContextForParent(MUIElement element) { |
| return modelService.getContainingContext(element); |
| } |
| |
| /** |
| * Return a context for this part. |
| * |
| * @param part |
| * the part to start searching from |
| * @return the closest context, or global context if none in the hierarchy |
| */ |
| protected IEclipseContext getContext(MUIElement part) { |
| if (part instanceof MContext) { |
| return ((MContext) part).getContext(); |
| } |
| return getContextForParent(part); |
| } |
| |
| /** |
| * Activate the part in the hierarchy. This should either still be internal |
| * or be a public method somewhere else. |
| * |
| * @param element |
| */ |
| public void activate(MPart element) { |
| IEclipseContext curContext = getContext(element); |
| if (curContext != null) { |
| EPartService ps = (EPartService) curContext.get(EPartService.class |
| .getName()); |
| if (ps != null) |
| ps.activate(element, requiresFocus(element)); |
| } |
| } |
| |
| /** |
| * Check if activating {@code element} requires that the part set the focus. |
| * |
| * @param element |
| * @return true if the part requires focus |
| */ |
| protected abstract boolean requiresFocus(MPart element); |
| |
| public void removeGui(MUIElement element, Object widget) { |
| } |
| |
| public Object getUIContainer(MUIElement element) { |
| if (element.getParent() != null) |
| return element.getParent().getWidget(); |
| |
| return null; |
| } |
| |
| /** |
| * Force the UI focus into the element if possible. This method should not |
| * be called directly, it will be called by the IPresentationEngine#focusGui |
| * method if the normal process used to set the focus cannot be performed. |
| * |
| * @param element |
| */ |
| public void forceFocus(MUIElement element) { |
| // Do nothing by default |
| } |
| } |