| /******************************************************************************* |
| * Copyright (c) 2005, 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.dialogs; |
| |
| import java.util.Collection; |
| import java.util.List; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.jface.preference.IPreferenceNode; |
| import org.eclipse.jface.preference.IPreferencePage; |
| import org.eclipse.jface.preference.PreferenceDialog; |
| import org.eclipse.jface.preference.PreferenceManager; |
| import org.eclipse.jface.preference.PreferencePage; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.internal.dialogs.FilteredPreferenceDialog; |
| import org.eclipse.ui.internal.dialogs.PropertyDialog; |
| import org.eclipse.ui.internal.dialogs.PropertyPageContributorManager; |
| import org.eclipse.ui.internal.dialogs.PropertyPageManager; |
| import org.eclipse.ui.internal.dialogs.WorkbenchPreferenceDialog; |
| |
| /** |
| * The PreferencesUtil class is the class that opens a properties or preference |
| * dialog on a set of ids. |
| * |
| * @since 3.1 |
| */ |
| public final class PreferencesUtil { |
| |
| /** |
| * Constant denoting no option. |
| * @since 3.5 |
| */ |
| public final static int OPTION_NONE = 0; |
| |
| /** |
| * Constant for configuring a preferences or properties dialog in which the |
| * user cannot "unfilter" to show a larger set of pages than was passed to |
| * {@link #createPreferenceDialogOn(Shell, String, String[], Object, int)} |
| * or |
| * {@link #createPropertyDialogOn(Shell, IAdaptable, String, String[], Object, int)} |
| * . |
| * @since 3.5 |
| */ |
| public final static int OPTION_FILTER_LOCKED = 1; |
| |
| /** |
| * Apply the data to the first page if there is any. |
| * |
| * @param data |
| * The data to be applied |
| * @param displayedIds |
| * The ids to filter to. |
| * @param dialog |
| * The dialog to apply to. |
| * @param options |
| */ |
| private static void applyOptions(Object data, String[] displayedIds, |
| FilteredPreferenceDialog dialog, int options) { |
| if (data != null) { |
| dialog.setPageData(data); |
| IPreferencePage page = dialog.getCurrentPage(); |
| if (page instanceof PreferencePage) { |
| ((PreferencePage) page).applyData(data); |
| } |
| } |
| |
| if (displayedIds != null) { |
| dialog.showOnly(displayedIds); |
| } |
| |
| if ((options & OPTION_FILTER_LOCKED) != 0) { |
| dialog.setLocked(true); |
| } |
| } |
| |
| /** |
| * Creates a workbench preference dialog and selects particular preference |
| * page. If there is already a preference dialog open this dialog is used |
| * and its selection is set to the page with id preferencePageId. Show the |
| * other pages as filtered results using whatever filtering criteria the |
| * search uses. It is the responsibility of the caller to then call |
| * <code>open()</code>. The call to <code>open()</code> will not return |
| * until the dialog closes, so this is the last chance to manipulate the |
| * dialog. |
| * |
| * @param shell |
| * The Shell to parent the dialog off of if it is not already |
| * created. May be <code>null</code> in which case the active |
| * workbench window will be used if available. |
| * @param preferencePageId |
| * The identifier of the preference page to open; may be |
| * <code>null</code>. If it is <code>null</code>, then the |
| * preference page is not selected or modified in any way. |
| * @param displayedIds |
| * The ids of the other pages to be displayed using the same |
| * filtering criterea as search. If this is <code>null</code>, |
| * then the all preference pages are shown. |
| * @param data |
| * Data that will be passed to all of the preference pages to be |
| * applied as specified within the page as they are created. If |
| * the data is <code>null</code> nothing will be called. |
| * |
| * @return a preference dialog. |
| * @since 3.1 |
| * @see PreferenceDialog#PreferenceDialog(Shell, PreferenceManager) |
| */ |
| public static final PreferenceDialog createPreferenceDialogOn(Shell shell, |
| String preferencePageId, String[] displayedIds, Object data) { |
| return createPreferenceDialogOn(shell, preferencePageId, displayedIds, data, |
| OPTION_NONE); |
| } |
| |
| /** |
| * Creates a workbench preference dialog to a particular preference page. |
| * Show the other pages as filtered results using whatever filtering |
| * criteria the search uses. It is the responsibility of the caller to then |
| * call <code>open()</code>. The call to <code>open()</code> will not |
| * return until the dialog closes, so this is the last chance to manipulate |
| * the dialog. |
| * |
| * @param shell |
| * The shell to use to parent the dialog if required. |
| * @param propertyPageId |
| * The identifier of the preference page to open; may be |
| * <code>null</code>. If it is <code>null</code>, then the |
| * dialog is opened with no selected page. |
| * @param element |
| * IAdaptable An adaptable element to open the dialog on. |
| * @param displayedIds |
| * The ids of the other pages to be displayed using the same |
| * filtering criterea as search. If this is <code>null</code>, |
| * then the all preference pages are shown. |
| * @param data |
| * Data that will be passed to all of the preference pages to be |
| * applied as specified within the page as they are created. If |
| * the data is <code>null</code> nothing will be called. |
| * |
| * @return A preference dialog showing properties for the selection or |
| * <code>null</code> if it could not be created. |
| * @since 3.1 |
| */ |
| public static final PreferenceDialog createPropertyDialogOn(Shell shell, |
| final IAdaptable element, String propertyPageId, |
| String[] displayedIds, Object data) { |
| return createPropertyDialogOn(shell, element, propertyPageId, displayedIds, data, |
| OPTION_NONE); |
| } |
| |
| /** |
| * Creates a workbench preference dialog and selects particular preference |
| * page. If there is already a preference dialog open this dialog is used |
| * and its selection is set to the page with id preferencePageId. Show the |
| * other pages as filtered results using whatever filtering criteria the |
| * search uses. It is the responsibility of the caller to then call |
| * <code>open()</code>. The call to <code>open()</code> will not return |
| * until the dialog closes, so this is the last chance to manipulate the |
| * dialog. |
| * |
| * @param shell |
| * The Shell to parent the dialog off of if it is not already |
| * created. May be <code>null</code> in which case the active |
| * workbench window will be used if available. |
| * @param preferencePageId |
| * The identifier of the preference page to open; may be |
| * <code>null</code>. If it is <code>null</code>, then the |
| * preference page is not selected or modified in any way. |
| * @param displayedIds |
| * The ids of the other pages to be displayed using the same |
| * filtering criterea as search. If this is <code>null</code>, |
| * then the all preference pages are shown. |
| * @param data |
| * Data that will be passed to all of the preference pages to be |
| * applied as specified within the page as they are created. If |
| * the data is <code>null</code> nothing will be called. |
| * @param options |
| * a bitwise OR of option constants |
| * |
| * @return a preference dialog. |
| * @since 3.5 |
| * @see PreferenceDialog#PreferenceDialog(Shell, PreferenceManager) |
| */ |
| public static final PreferenceDialog createPreferenceDialogOn(Shell shell, |
| String preferencePageId, String[] displayedIds, Object data, int options) { |
| FilteredPreferenceDialog dialog = WorkbenchPreferenceDialog |
| .createDialogOn(shell, preferencePageId); |
| |
| applyOptions(data, displayedIds, dialog, options); |
| |
| return dialog; |
| } |
| |
| /** |
| * Creates a workbench preference dialog to a particular preference page. |
| * Show the other pages as filtered results using whatever filtering |
| * criteria the search uses. It is the responsibility of the caller to then |
| * call <code>open()</code>. The call to <code>open()</code> will not return |
| * until the dialog closes, so this is the last chance to manipulate the |
| * dialog. |
| * |
| * @param shell |
| * The shell to use to parent the dialog if required. |
| * @param propertyPageId |
| * The identifier of the preference page to open; may be |
| * <code>null</code>. If it is <code>null</code>, then the dialog |
| * is opened with no selected page. |
| * @param element |
| * IAdaptable An adaptable element to open the dialog on. |
| * @param displayedIds |
| * The ids of the other pages to be displayed using the same |
| * filtering criteria as search. If this is <code>null</code>, |
| * then the all preference pages are shown. |
| * @param data |
| * Data that will be passed to all of the preference pages to be |
| * applied as specified within the page as they are created. If |
| * the data is <code>null</code> nothing will be called. |
| * @param options |
| * a bitwise OR of option constants |
| * |
| * @return A preference dialog showing properties for the selection or |
| * <code>null</code> if it could not be created. |
| * @since 3.5 |
| */ |
| public static final PreferenceDialog createPropertyDialogOn(Shell shell, |
| final IAdaptable element, String propertyPageId, |
| String[] displayedIds, Object data, int options) { |
| |
| FilteredPreferenceDialog dialog = PropertyDialog.createDialogOn(shell, |
| propertyPageId, element); |
| |
| if (dialog == null) { |
| return null; |
| } |
| |
| applyOptions(data, displayedIds, dialog, options); |
| |
| return dialog; |
| |
| } |
| |
| /** |
| * Creates a workbench preference dialog to a particular preference page. |
| * Show the other pages as filtered results using whatever filtering |
| * criteria the search uses. It is the responsibility of the caller to then |
| * call <code>open()</code>. The call to <code>open()</code> will not return |
| * until the dialog closes, so this is the last chance to manipulate the |
| * dialog. |
| * |
| * @param shell |
| * The shell to use to parent the dialog if required. |
| * @param propertyPageId |
| * The identifier of the preference page to open; may be |
| * <code>null</code>. If it is <code>null</code>, then the dialog |
| * is opened with no selected page. |
| * @param element |
| * An element to open the dialog on. |
| * @param displayedIds |
| * The IDs of the other pages to be displayed using the same |
| * filtering criteria as search. If this is <code>null</code>, |
| * then the all preference pages are shown. |
| * @param data |
| * Data that will be passed to all of the preference pages to be |
| * applied as specified within the page as they are created. If |
| * the data is <code>null</code> nothing will be called. |
| * @param options |
| * a bitwise OR of option constants |
| * |
| * @return A preference dialog showing properties for the selection or |
| * <code>null</code> if it could not be created. |
| * @since 3.6 |
| */ |
| public static final PreferenceDialog createPropertyDialogOn(Shell shell, |
| final Object element, String propertyPageId, String[] displayedIds, |
| Object data, int options) { |
| FilteredPreferenceDialog dialog = PropertyDialog.createDialogOn(shell, |
| propertyPageId, element); |
| if (dialog == null) |
| return null; |
| applyOptions(data, displayedIds, dialog, options); |
| return dialog; |
| } |
| |
| /** |
| * Indicates whether the specified element has at least one property page |
| * contributor. |
| * |
| * @param element |
| * an adapter element of a property page |
| * @return true for having at least one contributor; false otherwise |
| * @since 3.4 |
| */ |
| public static boolean hasPropertiesContributors(Object element) { |
| if (element == null || !(element instanceof IAdaptable)) |
| return false; |
| Collection contributors = PropertyPageContributorManager.getManager() |
| .getApplicableContributors(element); |
| return contributors != null && contributors.size() > 0; |
| } |
| |
| /** |
| * Return all of the properties page contributors for an element. |
| * @param element |
| * @return {@link IPreferenceNode}[] |
| * @since 3.4 |
| */ |
| public static IPreferenceNode[] propertiesContributorsFor(Object element) { |
| PropertyPageManager pageManager = new PropertyPageManager(); |
| if (element == null) { |
| return null; |
| } |
| // load pages for the selection |
| // fill the manager with contributions from the matching contributors |
| PropertyPageContributorManager.getManager().contribute(pageManager, |
| element); |
| // testing if there are pages in the manager |
| List pages = pageManager.getElements(PreferenceManager.PRE_ORDER); |
| IPreferenceNode[] nodes = new IPreferenceNode[pages.size()]; |
| pages.toArray(nodes); |
| return nodes; |
| } |
| |
| } |