| /* |
| * Copyright (c) 2008, 2009, 2011, 2012, 2015 Eike Stepper (Berlin, Germany) 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: |
| * Eike Stepper - initial API and implementation |
| */ |
| package org.eclipse.net4j.util.ui.views; |
| |
| import org.eclipse.net4j.util.internal.ui.bundle.OM; |
| import org.eclipse.net4j.util.ui.UIUtil; |
| |
| import org.eclipse.jface.action.IMenuListener; |
| import org.eclipse.jface.action.IMenuManager; |
| import org.eclipse.jface.action.IToolBarManager; |
| import org.eclipse.jface.action.MenuManager; |
| import org.eclipse.jface.action.Separator; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.viewers.DoubleClickEvent; |
| import org.eclipse.jface.viewers.IDoubleClickListener; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.StructuredViewer; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Menu; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.IActionBars; |
| import org.eclipse.ui.IWorkbenchActionConstants; |
| import org.eclipse.ui.part.ISetSelectionTarget; |
| import org.eclipse.ui.part.ViewPart; |
| |
| /** |
| * @author Eike Stepper |
| * @since 2.0 |
| */ |
| public abstract class MultiViewersView extends ViewPart implements ISetSelectionTarget |
| { |
| private Shell shell; |
| |
| private StructuredViewer currentViewer; |
| |
| public MultiViewersView() |
| { |
| } |
| |
| public Shell getShell() |
| { |
| return shell; |
| } |
| |
| public StructuredViewer getCurrentViewer() |
| { |
| return currentViewer; |
| } |
| |
| public void setCurrentViewer(StructuredViewer viewer) |
| { |
| currentViewer = viewer; |
| getSite().setSelectionProvider(currentViewer); |
| hookContextMenu(currentViewer); |
| } |
| |
| @Override |
| public void setFocus() |
| { |
| StructuredViewer viewer = getCurrentViewer(); |
| if (viewer != null) |
| { |
| viewer.getControl().setFocus(); |
| } |
| } |
| |
| public void refreshViewer(boolean updateLabels) |
| { |
| refreshElement(null, updateLabels); |
| } |
| |
| public void refreshElement(final Object element, final boolean updateLabels) |
| { |
| try |
| { |
| final StructuredViewer viewer = getCurrentViewer(); |
| if (viewer != null) |
| { |
| getDisplay().asyncExec(new Runnable() |
| { |
| public void run() |
| { |
| try |
| { |
| if (element != null) |
| { |
| viewer.refresh(element, updateLabels); |
| } |
| else |
| { |
| viewer.refresh(updateLabels); |
| } |
| } |
| catch (RuntimeException ignore) |
| { |
| } |
| } |
| }); |
| } |
| } |
| catch (RuntimeException ignore) |
| { |
| } |
| } |
| |
| public void updateLabels(final Object element) |
| { |
| try |
| { |
| final StructuredViewer viewer = getCurrentViewer(); |
| if (viewer != null) |
| { |
| getDisplay().asyncExec(new Runnable() |
| { |
| public void run() |
| { |
| try |
| { |
| viewer.update(element, null); |
| } |
| catch (RuntimeException ignore) |
| { |
| } |
| } |
| }); |
| } |
| } |
| catch (RuntimeException ignore) |
| { |
| } |
| } |
| |
| public void revealElement(final Object element) |
| { |
| try |
| { |
| final StructuredViewer viewer = getCurrentViewer(); |
| if (viewer != null) |
| { |
| getDisplay().asyncExec(new Runnable() |
| { |
| public void run() |
| { |
| try |
| { |
| viewer.reveal(element); |
| } |
| catch (RuntimeException ignore) |
| { |
| } |
| } |
| }); |
| } |
| } |
| catch (RuntimeException ignore) |
| { |
| } |
| } |
| |
| public void selectReveal(ISelection selection) |
| { |
| StructuredViewer viewer = getCurrentViewer(); |
| if (viewer != null) |
| { |
| viewer.setSelection(selection, true); |
| } |
| } |
| |
| public void closeView() |
| { |
| try |
| { |
| getSite().getShell().getDisplay().syncExec(new Runnable() |
| { |
| public void run() |
| { |
| try |
| { |
| getSite().getPage().hideView(MultiViewersView.this); |
| MultiViewersView.this.dispose(); |
| } |
| catch (Exception ignore) |
| { |
| } |
| } |
| }); |
| } |
| catch (Exception ignore) |
| { |
| } |
| } |
| |
| @Override |
| public final void createPartControl(Composite parent) |
| { |
| try |
| { |
| shell = parent.getShell(); |
| Composite composite = UIUtil.createGridComposite(parent, 1); |
| |
| Control control = createUI(composite); |
| control.setLayoutData(UIUtil.createGridData()); |
| |
| hookDoubleClick(); |
| contributeToActionBars(); |
| } |
| catch (Error ex) |
| { |
| OM.LOG.error(ex); |
| throw ex; |
| } |
| catch (RuntimeException ex) |
| { |
| OM.LOG.error(ex); |
| throw ex; |
| } |
| } |
| |
| protected abstract Control createUI(Composite parent); |
| |
| protected void doubleClicked(Object object) |
| { |
| } |
| |
| protected void fillContextMenu(IMenuManager manager, StructuredViewer viewer, IStructuredSelection selection) |
| { |
| } |
| |
| protected void fillLocalPullDown(IMenuManager manager) |
| { |
| manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS)); |
| } |
| |
| protected void fillLocalToolBar(IToolBarManager manager) |
| { |
| manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS)); |
| } |
| |
| protected final void showMessage(String message) |
| { |
| showMessage(MessageType.INFORMATION, message); |
| } |
| |
| protected final boolean showMessage(MessageType type, String message) |
| { |
| switch (type) |
| { |
| case INFORMATION: |
| MessageDialog.openInformation(getShell(), getTitle(), message); |
| return true; |
| |
| case ERROR: |
| MessageDialog.openError(getShell(), getTitle(), message); |
| return true; |
| |
| case WARNING: |
| MessageDialog.openWarning(getShell(), getTitle(), message); |
| return true; |
| |
| case CONFIRM: |
| return MessageDialog.openConfirm(getShell(), getTitle(), message); |
| |
| case QUESTION: |
| return MessageDialog.openQuestion(getShell(), getTitle(), message); |
| |
| default: |
| return true; |
| } |
| } |
| |
| protected final Display getDisplay() |
| { |
| Display display = null; |
| final StructuredViewer viewer = getCurrentViewer(); |
| if (viewer != null) |
| { |
| display = viewer.getControl().getDisplay(); |
| } |
| |
| if (display == null) |
| { |
| display = UIUtil.getDisplay(); |
| } |
| |
| return display; |
| } |
| |
| private void hookDoubleClick() |
| { |
| final StructuredViewer viewer = getCurrentViewer(); |
| if (viewer != null) |
| { |
| viewer.addDoubleClickListener(new IDoubleClickListener() |
| { |
| public void doubleClick(DoubleClickEvent event) |
| { |
| IStructuredSelection selection = (IStructuredSelection)viewer.getSelection(); |
| Object object = selection.getFirstElement(); |
| doubleClicked(object); |
| } |
| }); |
| } |
| } |
| |
| private void hookContextMenu(final StructuredViewer viewer) |
| { |
| MenuManager menuMgr = new MenuManager("#PopupMenu"); //$NON-NLS-1$ |
| menuMgr.setRemoveAllWhenShown(true); |
| menuMgr.addMenuListener(new IMenuListener() |
| { |
| public void menuAboutToShow(IMenuManager manager) |
| { |
| final StructuredViewer viewer = getCurrentViewer(); |
| if (viewer != null) |
| { |
| IStructuredSelection selection = (IStructuredSelection)viewer.getSelection(); |
| fillContextMenu(manager, viewer, selection); |
| } |
| } |
| }); |
| |
| Control control = viewer.getControl(); |
| Menu menu = menuMgr.createContextMenu(control); |
| viewer.getControl().setMenu(menu); |
| getSite().registerContextMenu(menuMgr, viewer); |
| } |
| |
| private void contributeToActionBars() |
| { |
| IActionBars bars = getViewSite().getActionBars(); |
| fillLocalPullDown(bars.getMenuManager()); |
| fillLocalToolBar(bars.getToolBarManager()); |
| } |
| |
| protected static enum MessageType |
| { |
| INFORMATION, ERROR, WARNING, CONFIRM, QUESTION |
| } |
| } |