| /*=============================================================================# |
| # Copyright (c) 2005, 2020 Stephan Wahlbrink and others. |
| # |
| # This program and the accompanying materials are made available under the |
| # terms of the Eclipse Public License 2.0 which is available at |
| # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0 |
| # which is available at https://www.apache.org/licenses/LICENSE-2.0. |
| # |
| # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 |
| # |
| # Contributors: |
| # Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation |
| #=============================================================================*/ |
| |
| package org.eclipse.statet.ltk.ui.sourceediting.assist; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.eclipse.jface.resource.ImageDescriptor; |
| |
| import org.eclipse.statet.jcommons.collections.ImCollections; |
| import org.eclipse.statet.jcommons.lang.NonNullByDefault; |
| import org.eclipse.statet.jcommons.lang.Nullable; |
| |
| import org.eclipse.statet.ecommons.ui.util.MessageUtils; |
| |
| |
| /** |
| * Describes a category for {@link ContentAssistProcessor}s. |
| */ |
| @NonNullByDefault |
| public final class ContentAssistCategory { |
| |
| |
| private static final List<ContentAssistComputer> NO_COMPUTERS= ImCollections.emptyList(); |
| |
| |
| private final String id; |
| |
| private final String name; |
| |
| /** The image descriptor for this category, or <code>null</code> if none specified. */ |
| private final @Nullable ImageDescriptor image; |
| |
| boolean isEnabledAsSeparate= false; |
| |
| boolean isIncludedInDefault= false; |
| |
| private final int sortOrder= 0x10000; |
| |
| private final List<ContentAssistComputerRegistry.ComputerDescriptor> computerDescriptors; |
| private final Map<String, List<ContentAssistComputer>> computersByPartition; |
| |
| |
| public ContentAssistCategory(final String partitionId, final List<ContentAssistComputer> computers) { |
| this.id= "explicite:" + partitionId; //$NON-NLS-1$ |
| this.name= null; |
| this.image= null; |
| this.computerDescriptors= ImCollections.emptyList(); |
| this.computersByPartition= new HashMap<>(); |
| this.computersByPartition.put(partitionId, computers); |
| this.isIncludedInDefault= true; |
| } |
| |
| ContentAssistCategory(final String id, final String name, final @Nullable ImageDescriptor imageDsrc, |
| final List<ContentAssistComputerRegistry.ComputerDescriptor> computers) { |
| this.id= id; |
| this.name= name; |
| this.image= imageDsrc; |
| this.computerDescriptors= computers; |
| this.computersByPartition= new HashMap<>(); |
| } |
| |
| ContentAssistCategory(final ContentAssistCategory template) { |
| this.id= template.id; |
| this.name= template.name; |
| this.image= template.image; |
| this.computerDescriptors= template.computerDescriptors; |
| this.computersByPartition= template.computersByPartition; |
| } |
| |
| |
| /** |
| * Returns the identifier of the described extension. |
| * |
| * @return Returns the id |
| */ |
| public String getId() { |
| return this.id; |
| } |
| |
| /** |
| * Returns the name of the described extension. |
| * |
| * @return Returns the name |
| */ |
| public String getName() { |
| return this.name; |
| } |
| |
| /** |
| * Returns the name of the described extension |
| * without mnemonic hint in order to be displayed |
| * in a message. |
| * |
| * @return Returns the name |
| */ |
| public String getDisplayName() { |
| return MessageUtils.removeMnemonics(this.name); |
| } |
| |
| /** |
| * Returns the image descriptor of the described category. |
| * |
| * @return the image descriptor of the described category |
| */ |
| public @Nullable ImageDescriptor getImageDescriptor() { |
| return this.image; |
| } |
| |
| public boolean isEnabledInDefault() { |
| return this.isIncludedInDefault; |
| } |
| |
| public boolean isEnabledInCircling() { |
| return this.isEnabledAsSeparate; |
| } |
| |
| // public int getSortOrder() { |
| // return this.sortOrder; |
| // } |
| // |
| public boolean hasComputers(final String contentTypeId) { |
| final List<ContentAssistComputer> computers= this.computersByPartition.get(contentTypeId); |
| if (computers == null) { |
| for (final ContentAssistComputerRegistry.ComputerDescriptor descr : this.computerDescriptors) { |
| if (descr.getPartitions().contains(contentTypeId)) { |
| return true; |
| } |
| } |
| this.computersByPartition.put(contentTypeId, NO_COMPUTERS); |
| return false; |
| } |
| else { |
| return !computers.isEmpty(); |
| } |
| } |
| |
| public List<ContentAssistComputer> getComputers(final String contentTypeId) { |
| List<ContentAssistComputer> computers= this.computersByPartition.get(contentTypeId); |
| if (computers == null) { |
| computers= initComputers(contentTypeId); |
| this.computersByPartition.put(contentTypeId, computers); |
| } |
| return computers; |
| } |
| |
| private List<ContentAssistComputer> initComputers(final String contentTypeId) { |
| final List<ContentAssistComputer> computers= new ArrayList<>(); |
| for (final ContentAssistComputerRegistry.ComputerDescriptor descr : this.computerDescriptors) { |
| if (descr.getPartitions().contains(contentTypeId)) { |
| final ContentAssistComputer computer= descr.getComputer(); |
| if (computer != null) { |
| computers.add(computer); |
| } |
| } |
| } |
| return computers; |
| } |
| |
| |
| @Override |
| public String toString() { |
| return this.id; |
| } |
| |
| } |