| /******************************************************************************* |
| * 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 |
| *******************************************************************************/ |
| package org.eclipse.ui.internal.dialogs; |
| |
| import org.eclipse.jface.dialogs.IDialogConstants; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.viewers.ISelectionChangedListener; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.SelectionChangedEvent; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.TableViewer; |
| import org.eclipse.jface.viewers.ViewerComparator; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.ModifyListener; |
| import org.eclipse.swt.graphics.Font; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.layout.GridLayout; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.swt.widgets.Text; |
| import org.eclipse.ui.IPerspectiveDescriptor; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.internal.IWorkbenchHelpContextIds; |
| import org.eclipse.ui.internal.WorkbenchMessages; |
| import org.eclipse.ui.internal.activities.ws.ActivityViewerFilter; |
| import org.eclipse.ui.internal.registry.PerspectiveRegistry; |
| import org.eclipse.ui.model.PerspectiveLabelProvider; |
| |
| /** |
| * The SavePerspectiveDialog can be used to get the name of a new |
| * perspective or the descriptor of an old perspective. The results |
| * are returned by <code>getNewPerspName</code> and |
| * <code>getOldPersp</code>. |
| */ |
| public class SavePerspectiveDialog extends org.eclipse.jface.dialogs.Dialog |
| implements ISelectionChangedListener, ModifyListener { |
| private Text text; |
| |
| private TableViewer list; |
| |
| private Button okButton; |
| |
| private PerspectiveRegistry perspReg; |
| |
| private String perspName; |
| |
| private IPerspectiveDescriptor persp; |
| |
| private IPerspectiveDescriptor initialSelection; |
| |
| private boolean ignoreSelection = false; |
| |
| final private static int LIST_WIDTH = 40; |
| |
| final private static int TEXT_WIDTH = 40; |
| |
| final private static int LIST_HEIGHT = 14; |
| |
| /** |
| * PerspectiveDialog constructor comment. |
| * @param parentShell the parent shell |
| * @param perspReg the perspective registry |
| */ |
| public SavePerspectiveDialog(Shell parentShell, PerspectiveRegistry perspReg) { |
| super(parentShell); |
| this.perspReg = perspReg; |
| setShellStyle(getShellStyle() | SWT.SHEET); |
| } |
| |
| /* (non-Javadoc) |
| * Method declared in Window. |
| */ |
| protected void configureShell(Shell shell) { |
| super.configureShell(shell); |
| shell |
| .setText(WorkbenchMessages.SavePerspective_shellTitle); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(shell, |
| IWorkbenchHelpContextIds.SAVE_PERSPECTIVE_DIALOG); |
| } |
| |
| /** |
| * Add buttons to the dialog's button bar. |
| * |
| * @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(); |
| text.setFocus(); |
| } |
| |
| /** |
| * 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) { |
| Font font = parent.getFont(); |
| // Run super. |
| Composite composite = (Composite) super.createDialogArea(parent); |
| |
| // description |
| Label descLabel = new Label(composite, SWT.WRAP); |
| descLabel.setText(WorkbenchMessages.SavePerspectiveDialog_description); |
| descLabel.setFont(parent.getFont()); |
| |
| // Spacer. |
| Label label = new Label(composite, SWT.NONE); |
| GridData data = new GridData(); |
| data.heightHint = 8; |
| label.setLayoutData(data); |
| |
| // Create name group. |
| Composite nameGroup = new Composite(composite, SWT.NONE); |
| nameGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); |
| GridLayout layout = new GridLayout(); |
| layout.numColumns = 2; |
| layout.marginWidth = layout.marginHeight = 0; |
| nameGroup.setLayout(layout); |
| |
| // Create name label. |
| label = new Label(nameGroup, SWT.NONE); |
| label.setText(WorkbenchMessages.SavePerspective_name); |
| label.setFont(font); |
| |
| // Add text field. |
| text = new Text(nameGroup, SWT.BORDER); |
| text.setFocus(); |
| data = new GridData(GridData.FILL_HORIZONTAL); |
| data.widthHint = convertWidthInCharsToPixels(TEXT_WIDTH); |
| text.setLayoutData(data); |
| text.setFont(font); |
| text.addModifyListener(this); |
| |
| // Spacer. |
| label = new Label(composite, SWT.NONE); |
| data = new GridData(); |
| data.heightHint = 5; |
| label.setLayoutData(data); |
| |
| // Another label. |
| label = new Label(composite, SWT.NONE); |
| label.setText(WorkbenchMessages.SavePerspective_existing); |
| label.setFont(font); |
| |
| // Add perspective list. |
| list = new TableViewer(composite, SWT.H_SCROLL | SWT.V_SCROLL |
| | SWT.BORDER); |
| list.setLabelProvider(new PerspectiveLabelProvider()); |
| list.setContentProvider(new PerspContentProvider()); |
| list.addFilter(new ActivityViewerFilter()); |
| list.setComparator(new ViewerComparator()); |
| list.setInput(perspReg); |
| list.addSelectionChangedListener(this); |
| list.getTable().setFont(font); |
| |
| // Set perspective list size. |
| Control ctrl = list.getControl(); |
| GridData spec = new GridData(GridData.FILL_BOTH); |
| spec.widthHint = convertWidthInCharsToPixels(LIST_WIDTH); |
| spec.heightHint = convertHeightInCharsToPixels(LIST_HEIGHT); |
| ctrl.setLayoutData(spec); |
| |
| // Set the initial selection |
| if (initialSelection != null) { |
| StructuredSelection sel = new StructuredSelection(initialSelection); |
| list.setSelection(sel, true); |
| } |
| text.selectAll(); |
| |
| // Return results. |
| return composite; |
| } |
| |
| /** |
| * Returns the target name. |
| * |
| * @return the target name |
| */ |
| public IPerspectiveDescriptor getPersp() { |
| return persp; |
| } |
| |
| /** |
| * Returns the target name. |
| * |
| * @return the target name |
| */ |
| public String getPerspName() { |
| return perspName; |
| } |
| |
| /** |
| * The user has typed some text. |
| */ |
| public void modifyText(org.eclipse.swt.events.ModifyEvent e) { |
| // Get text. |
| perspName = text.getText(); |
| |
| // Transfer text to persp list. |
| ignoreSelection = true; |
| persp = perspReg.findPerspectiveWithLabel(perspName); |
| if (persp == null) { |
| StructuredSelection sel = new StructuredSelection(); |
| list.setSelection(sel); |
| } else { |
| StructuredSelection sel = new StructuredSelection(persp); |
| list.setSelection(sel); |
| } |
| ignoreSelection = false; |
| |
| updateButtons(); |
| } |
| |
| /** |
| * Notifies that the ok button of this dialog has been pressed. |
| * <p> |
| * The default implementation of this framework method sets |
| * this dialog's return code to <code>Window.OK</code> |
| * and closes the dialog. Subclasses may override. |
| * </p> |
| */ |
| protected void okPressed() { |
| perspName = text.getText(); |
| persp = perspReg.findPerspectiveWithLabel(perspName); |
| if (persp != null) { |
| // Confirm ok to overwrite |
| String message = NLS.bind(WorkbenchMessages.SavePerspective_overwriteQuestion,perspName ); |
| String[] buttons = new String[] { IDialogConstants.YES_LABEL, |
| IDialogConstants.NO_LABEL, IDialogConstants.CANCEL_LABEL }; |
| MessageDialog d = new MessageDialog(this.getShell(), |
| WorkbenchMessages.SavePerspective_overwriteTitle, null, |
| message, MessageDialog.QUESTION, buttons, 0) { |
| protected int getShellStyle() { |
| return super.getShellStyle() | SWT.SHEET; |
| } |
| }; |
| |
| switch (d.open()) { |
| case 0: //yes |
| break; |
| case 1: //no |
| return; |
| case 2: //cancel |
| cancelPressed(); |
| return; |
| default: |
| return; |
| } |
| } |
| |
| super.okPressed(); |
| } |
| |
| /** |
| * Notifies that the selection has changed. |
| * |
| * @param event event object describing the change |
| */ |
| public void selectionChanged(SelectionChangedEvent event) { |
| // If a selection is caused by modifyText ignore it. |
| if (ignoreSelection) { |
| return; |
| } |
| |
| // Get selection. |
| IStructuredSelection sel = (IStructuredSelection) list.getSelection(); |
| persp = null; |
| if (!sel.isEmpty()) { |
| persp = (IPerspectiveDescriptor) sel.getFirstElement(); |
| } |
| |
| // Transfer selection to text field. |
| if (persp != null) { |
| perspName = persp.getLabel(); |
| text.setText(perspName); |
| } |
| |
| updateButtons(); |
| } |
| |
| /** |
| * Sets the initial selection in this dialog. |
| * |
| * @param selectedElement the perspective descriptor to select |
| */ |
| public void setInitialSelection(IPerspectiveDescriptor selectedElement) { |
| initialSelection = selectedElement; |
| } |
| |
| /** |
| * Update the OK button. |
| */ |
| private void updateButtons() { |
| if (okButton != null) { |
| String label = text.getText(); |
| okButton.setEnabled(perspReg.validateLabel(label)); |
| } |
| } |
| } |