| /******************************************************************************* |
| * Copyright (c) 2007, 2008 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.ArrayList; |
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.StringTokenizer; |
| |
| import org.eclipse.core.resources.IMarker; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.ui.IMemento; |
| import org.eclipse.ui.views.markers.MarkerFieldFilter; |
| import org.eclipse.ui.views.markers.MarkerItem; |
| import org.eclipse.ui.views.markers.internal.MarkerFilter; |
| import org.eclipse.ui.views.markers.internal.MarkerType; |
| import org.eclipse.ui.views.markers.internal.MarkerTypesModel; |
| import org.eclipse.ui.views.markers.internal.ProblemFilter; |
| |
| /** |
| * MarkerTypeFieldFilter is the field filter for filtering on types. |
| * |
| * @since 3.4 |
| * |
| */ |
| public class MarkerTypeFieldFilter extends CompatibilityFieldFilter { |
| |
| private static final String TAG_TYPES_DELIMITER = ":"; //$NON-NLS-1$ |
| private static final String TAG_SELECTED_TYPES = "selectedTypes"; //$NON-NLS-1$ |
| Collection selectedTypes = new HashSet(); |
| private MarkerContentGenerator contentGenerator; |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.internal.provisional.views.markers.api.MarkerFieldFilter#select(org.eclipse.ui.internal.provisional.views.markers.api.MarkerItem) |
| */ |
| @Override |
| public boolean select(MarkerItem item) { |
| |
| IMarker marker = item.getMarker(); |
| if (marker == null)// OK if all are selected |
| return contentGenerator.allTypesSelected(selectedTypes); |
| try { |
| return selectedTypes.contains(MarkerTypesModel.getInstance() |
| .getType(marker.getType())); |
| } catch (CoreException e) { |
| return false; |
| } |
| |
| } |
| |
| /** |
| * Set the selected types in the receiver based on the values in |
| * contentGenerator. |
| * |
| * @param markerTypes |
| * Collection of MarkerType |
| * @param generator |
| * {@link MarkerContentGenerator} |
| */ |
| void setSelectedTypes(Collection markerTypes, |
| MarkerContentGenerator generator) { |
| setContentGenerator(generator); |
| selectedTypes = markerTypes; |
| |
| } |
| |
| /** |
| * Return the selectedTypes. |
| * |
| * @return Collection of MarkerType |
| */ |
| Collection getSelectedTypes() { |
| return selectedTypes; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.views.markers.MarkerFieldFilter#saveSettings(org.eclipse.ui.IMemento) |
| */ |
| @Override |
| public void saveSettings(IMemento memento) { |
| |
| if (selectedTypes.containsAll(contentGenerator.getMarkerTypes())) |
| return; |
| |
| Iterator selected = selectedTypes.iterator(); |
| |
| StringBuffer settings = new StringBuffer(); |
| while (selected.hasNext()) { |
| MarkerType markerType = (MarkerType) selected.next(); |
| settings.append(markerType.getId()); |
| settings.append(TAG_TYPES_DELIMITER); |
| } |
| |
| memento.putString(TAG_SELECTED_TYPES, settings.toString()); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.views.markers.MarkerFieldFilter#loadSettings(org.eclipse.ui.IMemento) |
| */ |
| @Override |
| public void loadSettings(IMemento memento) { |
| |
| String types = memento.getString(TAG_SELECTED_TYPES); |
| if (types == null) |
| return; |
| |
| selectedTypes.clear(); |
| |
| int start = 0; |
| int nextSpace = types.indexOf(TAG_TYPES_DELIMITER, 0); |
| while (nextSpace > 0) { |
| String typeId = types.substring(start, nextSpace); |
| start = nextSpace + 1; |
| nextSpace = types.indexOf(TAG_TYPES_DELIMITER, start); |
| |
| MarkerType type = contentGenerator.getType(typeId); |
| if (type != null) |
| selectedTypes.add(type); |
| } |
| |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.internal.views.markers.CompatibilityFieldFilter#loadLegacySettings(org.eclipse.ui.IMemento, org.eclipse.ui.internal.views.markers.MarkerContentGenerator) |
| */ |
| @Override |
| void loadLegacySettings(IMemento memento, MarkerContentGenerator generator) { |
| |
| setContentGenerator(generator); |
| // new selection list attribute |
| // format is "id:(true|false):" |
| String setting = memento.getString(MarkerFilter.TAG_SELECTION_STATUS); |
| |
| if (setting != null) { |
| selectedTypes.clear(); |
| |
| // get the complete list of types |
| List newTypes = new ArrayList(); |
| |
| StringTokenizer stringTokenizer = new StringTokenizer(setting); |
| |
| while (stringTokenizer.hasMoreTokens()) { |
| String id = stringTokenizer.nextToken(TAG_TYPES_DELIMITER); |
| String status = null; |
| if (stringTokenizer.hasMoreTokens()) { |
| status = stringTokenizer.nextToken(TAG_TYPES_DELIMITER); |
| } |
| |
| MarkerType type = contentGenerator.getType(id); |
| if (type != null) { |
| |
| newTypes.remove(type); |
| |
| // add the type to the selected list |
| if (!MarkerFilter.SELECTED_FALSE.equals(status) |
| && !selectedTypes.contains(type)) { |
| selectedTypes.add(type); |
| } |
| } |
| } |
| } |
| |
| |
| |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.internal.views.markers.CompatibilityFieldFilter#initialize(org.eclipse.ui.views.markers.internal.ProblemFilter) |
| */ |
| @Override |
| public void initialize(ProblemFilter problemFilter) { |
| selectedTypes.clear(); |
| selectedTypes.addAll(problemFilter.getSelectedTypes()); |
| |
| } |
| |
| /** |
| * Set the content generator that is being configured. |
| * |
| * @param generator |
| */ |
| void setContentGenerator(MarkerContentGenerator generator) { |
| contentGenerator = generator; |
| |
| // Set the initial selection to be everything |
| selectedTypes = new HashSet(); |
| selectedTypes.addAll(generator.getMarkerTypes()); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.views.markers.MarkerFieldFilter#populateWorkingCopy(org.eclipse.ui.views.markers.MarkerFieldFilter) |
| */ |
| @Override |
| public void populateWorkingCopy(MarkerFieldFilter copy) { |
| super.populateWorkingCopy(copy); |
| |
| ((MarkerTypeFieldFilter) copy).selectedTypes = new HashSet( |
| selectedTypes); |
| ((MarkerTypeFieldFilter) copy).contentGenerator = contentGenerator; |
| } |
| } |