| /******************************************************************************* |
| * Copyright (c) 2000, 2009 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 |
| * Sebastian Davids <sdavids@gmx.de> - Fix for bug 19346 - Dialog font should be |
| * activated and used by other components. |
| *******************************************************************************/ |
| |
| package org.eclipse.ui.internal.dialogs; |
| |
| import org.eclipse.jface.dialogs.Dialog; |
| import org.eclipse.jface.dialogs.IDialogConstants; |
| import org.eclipse.jface.viewers.DoubleClickEvent; |
| import org.eclipse.jface.viewers.IDoubleClickListener; |
| import org.eclipse.jface.viewers.ISelectionChangedListener; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.SelectionChangedEvent; |
| import org.eclipse.jface.viewers.TableViewer; |
| import org.eclipse.jface.viewers.ViewerComparator; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.SelectionAdapter; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.IPerspectiveDescriptor; |
| import org.eclipse.ui.IPerspectiveRegistry; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.activities.ITriggerPoint; |
| import org.eclipse.ui.activities.WorkbenchActivityHelper; |
| import org.eclipse.ui.internal.IWorkbenchHelpContextIds; |
| import org.eclipse.ui.internal.WorkbenchMessages; |
| import org.eclipse.ui.internal.activities.ws.ActivityMessages; |
| import org.eclipse.ui.internal.activities.ws.ActivityViewerFilter; |
| import org.eclipse.ui.internal.activities.ws.WorkbenchTriggerPoints; |
| import org.eclipse.ui.internal.decorators.ContributingPluginDecorator; |
| import org.eclipse.ui.internal.registry.PerspectiveDescriptor; |
| import org.eclipse.ui.model.PerspectiveLabelProvider; |
| |
| /** |
| * A dialog for perspective creation |
| */ |
| public class SelectPerspectiveDialog extends Dialog implements |
| ISelectionChangedListener { |
| |
| final private static int LIST_HEIGHT = 300; |
| |
| final private static int LIST_WIDTH = 300; |
| |
| private TableViewer list; |
| |
| private Button okButton; |
| |
| private IPerspectiveDescriptor perspDesc; |
| |
| private IPerspectiveRegistry perspReg; |
| |
| private ActivityViewerFilter activityViewerFilter = new ActivityViewerFilter(); |
| |
| private Button showAllButton; |
| |
| /** |
| * PerspectiveDialog constructor comment. |
| * |
| * @param parentShell the parent shell |
| * @param perspReg the perspective registry |
| */ |
| public SelectPerspectiveDialog(Shell parentShell, |
| IPerspectiveRegistry perspReg) { |
| super(parentShell); |
| this.perspReg = perspReg; |
| setShellStyle(getShellStyle() | SWT.SHEET); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.dialogs.Dialog#cancelPressed() |
| */ |
| protected void cancelPressed() { |
| perspDesc = null; |
| super.cancelPressed(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.window.Window#configureShell(org.eclipse.swt.widgets.Shell) |
| */ |
| protected void configureShell(Shell shell) { |
| super.configureShell(shell); |
| shell.setText(WorkbenchMessages.SelectPerspective_shellTitle); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(shell, |
| IWorkbenchHelpContextIds.SELECT_PERSPECTIVE_DIALOG); |
| } |
| |
| /** |
| * Adds buttons to this dialog's button bar. |
| * <p> |
| * The default implementation of this framework method adds standard ok and |
| * cancel buttons using the <code>createButton</code> framework method. |
| * Subclasses may override. |
| * </p> |
| * |
| * @param parent the button bar composite |
| */ |
| protected void createButtonsForButtonBar(Composite parent) { |
| okButton = createButton(parent, IDialogConstants.OK_ID, |
| IDialogConstants.OK_LABEL, true); |
| createButton(parent, IDialogConstants.CANCEL_ID, |
| IDialogConstants.CANCEL_LABEL, false); |
| updateButtons(); |
| } |
| |
| /** |
| * Creates and returns the contents of the upper part of this dialog (above |
| * the button bar). |
| * |
| * @param parent the parent composite to contain the dialog area |
| * @return the dialog area control |
| */ |
| protected Control createDialogArea(Composite parent) { |
| // Run super. |
| Composite composite = (Composite) super.createDialogArea(parent); |
| composite.setFont(parent.getFont()); |
| |
| createViewer(composite); |
| layoutTopControl(list.getControl()); |
| if (needsShowAllButton()) { |
| createShowAllButton(composite); |
| } |
| // Return results. |
| return composite; |
| } |
| |
| /** |
| * @return whether a show-all button is needed. A show all button is needed only if the list contains filtered items. |
| */ |
| private boolean needsShowAllButton() { |
| return activityViewerFilter.getHasEncounteredFilteredItem(); |
| } |
| |
| /** |
| * Create a show all button in the parent. |
| * |
| * @param parent the parent <code>Composite</code>. |
| */ |
| private void createShowAllButton(Composite parent) { |
| showAllButton = new Button(parent, SWT.CHECK); |
| showAllButton |
| .setText(ActivityMessages.Perspective_showAll); |
| showAllButton.addSelectionListener(new SelectionAdapter() { |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent) |
| */ |
| public void widgetSelected(SelectionEvent e) { |
| if (showAllButton.getSelection()) { |
| list.resetFilters(); |
| } else { |
| list.addFilter(activityViewerFilter); |
| } |
| } |
| }); |
| |
| } |
| |
| /** |
| * Create a new viewer in the parent. |
| * |
| * @param parent the parent <code>Composite</code>. |
| */ |
| private void createViewer(Composite parent) { |
| // Add perspective list. |
| list = new TableViewer(parent, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL |
| | SWT.BORDER); |
| list.getTable().setFont(parent.getFont()); |
| list.setLabelProvider(new DelegatingLabelProviderWithTooltip( |
| new PerspectiveLabelProvider(), PlatformUI.getWorkbench().getDecoratorManager() |
| .getLabelDecorator(ContributingPluginDecorator.ID)) { |
| protected Object unwrapElement(Object element) { |
| if (element instanceof PerspectiveDescriptor) { |
| element = ((PerspectiveDescriptor) element).getConfigElement(); |
| } |
| return element; |
| } |
| }); |
| list.setContentProvider(new PerspContentProvider()); |
| list.addFilter(activityViewerFilter); |
| list.setComparator(new ViewerComparator()); |
| list.setInput(perspReg); |
| list.addSelectionChangedListener(this); |
| list.addDoubleClickListener(new IDoubleClickListener() { |
| public void doubleClick(DoubleClickEvent event) { |
| handleDoubleClickEvent(); |
| } |
| }); |
| } |
| |
| /** |
| * Returns the current selection. |
| * |
| * @return the current selection |
| */ |
| public IPerspectiveDescriptor getSelection() { |
| return perspDesc; |
| } |
| |
| /** |
| * Handle a double click event on the list |
| */ |
| protected void handleDoubleClickEvent() { |
| okPressed(); |
| } |
| |
| /** |
| * Layout the top control. |
| * |
| * @param control the control. |
| */ |
| private void layoutTopControl(Control control) { |
| GridData spec = new GridData(GridData.FILL_BOTH); |
| spec.widthHint = LIST_WIDTH; |
| spec.heightHint = LIST_HEIGHT; |
| control.setLayoutData(spec); |
| } |
| |
| /** |
| * Notifies that the selection has changed. |
| * |
| * @param event event object describing the change |
| */ |
| public void selectionChanged(SelectionChangedEvent event) { |
| updateSelection(event); |
| updateButtons(); |
| } |
| |
| /** |
| * Update the button enablement state. |
| */ |
| protected void updateButtons() { |
| okButton.setEnabled(getSelection() != null); |
| } |
| |
| /** |
| * Update the selection object. |
| */ |
| protected void updateSelection(SelectionChangedEvent event) { |
| perspDesc = null; |
| IStructuredSelection sel = (IStructuredSelection) event.getSelection(); |
| if (!sel.isEmpty()) { |
| Object obj = sel.getFirstElement(); |
| if (obj instanceof IPerspectiveDescriptor) { |
| perspDesc = (IPerspectiveDescriptor) obj; |
| } |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.dialogs.Dialog#okPressed() |
| */ |
| protected void okPressed() { |
| ITriggerPoint triggerPoint = PlatformUI.getWorkbench() |
| .getActivitySupport().getTriggerPointManager().getTriggerPoint( |
| WorkbenchTriggerPoints.OPEN_PERSPECITVE_DIALOG); |
| if (WorkbenchActivityHelper.allowUseOf(triggerPoint, getSelection())) { |
| super.okPressed(); |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see org.eclipse.jface.dialogs.Dialog#isResizable() |
| */ |
| protected boolean isResizable() { |
| return true; |
| } |
| } |
