| /******************************************************************************* |
| * Copyright (c) 2007 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.views.markers; |
| |
| import java.util.Collection; |
| import java.util.Iterator; |
| |
| import org.eclipse.jface.action.ContributionItem; |
| import org.eclipse.jface.action.IContributionItem; |
| import org.eclipse.jface.action.Separator; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.swt.widgets.Listener; |
| import org.eclipse.swt.widgets.Menu; |
| import org.eclipse.swt.widgets.MenuItem; |
| import org.eclipse.ui.views.markers.internal.MarkerMessages; |
| |
| /** |
| * FiltersContribution is the contribution for the filters menu. |
| * |
| * @since 3.4 |
| * |
| */ |
| public class FiltersContribution extends MarkersContribution { |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.actions.CompoundContributionItem#getContributionItems() |
| */ |
| protected IContributionItem[] getContributionItems() { |
| |
| Collection groups = getView().getAllFilters(); |
| |
| if (groups.size() == 0) |
| return new IContributionItem[0]; |
| |
| Iterator groupsIterator = groups.iterator(); |
| IContributionItem[] items = new IContributionItem[groups.size() + 2]; |
| for (int i = 0; i < groups.size(); i++) { |
| final MarkerFieldFilterGroup group = (MarkerFieldFilterGroup) groupsIterator |
| .next(); |
| items[i] = new ContributionItem() { |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.action.ContributionItem#fill(org.eclipse.swt.widgets.Menu, |
| * int) |
| */ |
| public void fill(Menu menu, int index) { |
| MenuItem item = new MenuItem(menu, SWT.CHECK); |
| item.setText(group.getName()); |
| ExtendedMarkersView view = getView(); |
| item.addListener(SWT.Selection, getMenuItemListener(group, |
| view)); |
| |
| if (view != null && view.isEnabled(group)) { |
| item.setSelection(true); |
| } |
| } |
| |
| /** |
| * Return the menu item listener for selection of a filter. |
| * |
| * @param group |
| * @param view |
| * @return Listener |
| */ |
| private Listener getMenuItemListener( |
| final MarkerFieldFilterGroup group, |
| final ExtendedMarkersView view) { |
| return new Listener() { |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.swt.widgets.Listener#handleEvent(org.eclipse.swt.widgets.Event) |
| */ |
| public void handleEvent(Event event) { |
| if (view != null) |
| view.toggleFilter(group); |
| } |
| }; |
| } |
| }; |
| } |
| |
| items[groups.size()] = new Separator(); |
| items[groups.size() + 1] = getShowAllContribution(); |
| |
| return items; |
| |
| } |
| |
| /** |
| * Return the show all contribution. |
| * |
| * @return IContributionItem |
| */ |
| private IContributionItem getShowAllContribution() { |
| return new ContributionItem() { |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.action.ContributionItem#fill(org.eclipse.swt.widgets.Menu, |
| * int) |
| */ |
| public void fill(Menu menu, int index) { |
| MenuItem item = new MenuItem(menu, SWT.CHECK); |
| item.setText(MarkerMessages.MarkerFilter_showAllCommand_title); |
| item.setSelection(noFiltersSelected()); |
| |
| item.addListener(SWT.Selection, new Listener() { |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.swt.widgets.Listener#handleEvent(org.eclipse.swt.widgets.Event) |
| */ |
| public void handleEvent(Event event) { |
| getView().disableAllFilters(); |
| } |
| }); |
| } |
| |
| /** |
| * Return whether or not any filters are selected. |
| * |
| * @return boolean <code>true</code> if none of the current |
| * filters are selected. |
| */ |
| private boolean noFiltersSelected() { |
| Iterator groupsIterator = getView().getAllFilters().iterator(); |
| while (groupsIterator.hasNext()) { |
| MarkerFieldFilterGroup group = (MarkerFieldFilterGroup) groupsIterator |
| .next(); |
| if (group.isEnabled()) |
| return false; |
| } |
| return true; |
| } |
| |
| }; |
| } |
| |
| } |