| /******************************************************************************* |
| * Copyright (c) 2007, 2016 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 |
| * Lars Vogel <Lars.Vogel@gmail.com> - Bug 440810 |
| * Patrik Suzzi <psuzzi@gmail.com> - Bug 504091 |
| ******************************************************************************/ |
| |
| package org.eclipse.ui.internal.handlers; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import org.eclipse.core.commands.Command; |
| import org.eclipse.core.commands.ExecutionEvent; |
| import org.eclipse.core.commands.ExecutionException; |
| import org.eclipse.core.commands.ParameterizedCommand; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.jface.resource.JFaceResources; |
| import org.eclipse.jface.resource.LocalResourceManager; |
| import org.eclipse.jface.util.Geometry; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Point; |
| import org.eclipse.swt.graphics.Rectangle; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.swt.widgets.Table; |
| import org.eclipse.swt.widgets.TableItem; |
| import org.eclipse.ui.IWorkbenchCommandConstants; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.commands.ICommandService; |
| import org.eclipse.ui.internal.FilteredTableBaseHandler; |
| import org.eclipse.ui.internal.PartSite; |
| import org.eclipse.ui.internal.WorkbenchPage; |
| import org.eclipse.ui.part.PageSwitcher; |
| import org.eclipse.ui.part.WorkbenchPart; |
| |
| /** |
| * Displays a dialog for cycling through pages of a view. A view may implement |
| * its pages however it wishes. As long as the view creates a |
| * {@link PageSwitcher} object, {@link CyclePageHandler} will handle the cycling |
| * of pages. |
| * |
| * @since 3.4 |
| * |
| */ |
| public class CyclePageHandler extends FilteredTableBaseHandler { |
| |
| /** |
| * |
| */ |
| private static final String K_INDEX = "index"; //$NON-NLS-1$ |
| /** |
| * The character limit before text is truncated. |
| */ |
| private static final int TEXT_LIMIT = 65; |
| private PageSwitcher pageSwitcher; |
| private LocalResourceManager lrm; |
| |
| public CyclePageHandler(PageSwitcher pageSwitcher) { |
| this.pageSwitcher = pageSwitcher; |
| } |
| |
| @Override |
| protected Object getInput(WorkbenchPage page) { |
| List<FilteredTableItem> rows = new ArrayList<>(); |
| |
| for(int i=0; i<pageSwitcher.getPages().length; i++){ |
| Object viewPage = pageSwitcher.getPages()[i]; |
| FilteredTableItem item = new FilteredTableItem(); |
| ImageDescriptor imageDescriptor = pageSwitcher.getImageDescriptor(viewPage); |
| if (imageDescriptor != null) { |
| if (lrm == null) { |
| lrm = new LocalResourceManager(JFaceResources.getResources()); |
| } |
| item.setImage(lrm.createImage(imageDescriptor)); |
| } |
| item.putData(K_INDEX, i); |
| String name = pageSwitcher.getName(viewPage); |
| if (name.length() > TEXT_LIMIT) { |
| name = name.substring(0, TEXT_LIMIT) + "..."; //$NON-NLS-1$ |
| } |
| item.setText(name); |
| rows.add(item); |
| } |
| return rows; |
| } |
| |
| protected void addItemz(Table table, WorkbenchPage page) { |
| for (Object availablePage : pageSwitcher.getPages()) { |
| TableItem item = null; |
| item = new TableItem(table, SWT.NONE); |
| ImageDescriptor imageDescriptor = pageSwitcher |
| .getImageDescriptor(availablePage); |
| if (imageDescriptor != null) { |
| if (lrm == null) { |
| lrm = new LocalResourceManager(JFaceResources |
| .getResources()); |
| } |
| item.setImage(lrm.createImage(imageDescriptor)); |
| } |
| item.setData(availablePage); |
| String name = pageSwitcher.getName(availablePage); |
| if (name.length() > TEXT_LIMIT) { |
| name = name.substring(0, TEXT_LIMIT) + "..."; //$NON-NLS-1$ |
| } |
| item.setText(name); |
| } |
| } |
| |
| @Override |
| protected int getCurrentItemIndex() { |
| return pageSwitcher.getCurrentPageIndex(); |
| } |
| |
| @Override |
| protected ParameterizedCommand getBackwardCommand() { |
| final ICommandService commandService = window |
| .getWorkbench().getService(ICommandService.class); |
| final Command command = commandService.getCommand(IWorkbenchCommandConstants.NAVIGATE_PREVIOUS_PAGE); |
| ParameterizedCommand commandF = new ParameterizedCommand(command, null); |
| return commandF; |
| } |
| |
| @Override |
| protected ParameterizedCommand getForwardCommand() { |
| final ICommandService commandService = window |
| .getWorkbench().getService(ICommandService.class); |
| final Command command= commandService.getCommand(IWorkbenchCommandConstants.NAVIGATE_NEXT_PAGE); |
| ParameterizedCommand commandF = new ParameterizedCommand(command, null); |
| return commandF; |
| } |
| |
| @Override |
| protected String getTableHeader(IWorkbenchPart activePart) { |
| if (activePart instanceof WorkbenchPart) { |
| return ((WorkbenchPart) activePart).getPartName(); |
| } |
| |
| return activePart.getTitle(); |
| } |
| |
| @Override |
| public Object execute(ExecutionEvent event) throws ExecutionException { |
| if (event.getCommand().getId().equals(IWorkbenchCommandConstants.NAVIGATE_NEXT_PAGE)) { |
| gotoDirection = true; |
| } else { |
| gotoDirection = false; |
| } |
| super.execute(event); |
| if (lrm != null) { |
| lrm.dispose(); |
| lrm = null; |
| } |
| return null; |
| } |
| |
| @Override |
| protected void setDialogLocation(final Shell dialog, |
| IWorkbenchPart activePart) { |
| if (dialog == null) |
| return; |
| |
| // Default to center on the display |
| Point dlgAnchor = Geometry.centerPoint(dialog.getDisplay().getBounds()); |
| |
| // Center the dialog within the activePart's pane (if any) |
| if (activePart != null) { |
| WorkbenchPart wbPart = (WorkbenchPart) activePart; |
| PartSite site = (PartSite) wbPart.getSite(); |
| Control paneCtrl = (Control) site.getModel().getWidget(); |
| |
| // Get the center of the view pane's control |
| Rectangle viewBounds = paneCtrl.getBounds(); |
| Point vCenter = Geometry.centerPoint(viewBounds); |
| |
| // Map it to the display |
| dlgAnchor = paneCtrl.getParent().toDisplay(vCenter); |
| } |
| |
| // Offset the point by half the dialog size |
| Rectangle dialogBounds = dialog.getBounds(); |
| dlgAnchor.x -= (dialogBounds.width / 2); |
| dlgAnchor.y -= (dialogBounds.height / 2); |
| |
| dialog.setLocation(dlgAnchor); |
| } |
| |
| @Override |
| public void dispose() { |
| super.dispose(); |
| this.pageSwitcher = null; |
| } |
| |
| @Override |
| protected void activate(IWorkbenchPage page, Object selectedItem) { |
| if (selectedItem == null) { |
| return; |
| } |
| // activate the page with the selected index |
| pageSwitcher.activatePage(((FilteredTableItem) selectedItem).getData(K_INDEX)); |
| } |
| } |