| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.netbeans.lib.editor.codetemplates.textsync; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** |
| * Group of text syncs that can be traversed by TAB (Shift-TAB) keys. ENTER may |
| * be used to activate a special caret text sync. |
| * <br/> |
| * {@link TextRegionManager} can maintain multiple groups but only one of them |
| * may be active at a given time. |
| * |
| * @author Miloslav Metelka |
| */ |
| public final class TextSyncGroup<I> { |
| |
| private TextRegionManager manager; |
| |
| private List<TextSync> textSyncs; |
| |
| private int activeTextSyncIndex = -1; |
| |
| /** |
| * Client-specific information. |
| */ |
| private I clientInfo; |
| |
| public TextSyncGroup(TextSync... textSyncs) { |
| initTextSyncs(textSyncs.length); |
| for (TextSync textSync : textSyncs) |
| addTextSync(textSync); |
| } |
| |
| public TextSyncGroup() { |
| initTextSyncs(4); |
| } |
| |
| private void initTextSyncs(int size) { |
| this.textSyncs = new ArrayList<TextSync>(size); |
| } |
| |
| /** |
| * Get list of all text syncs managed by this group. |
| * |
| * @return non-null unmodifiable list of text syncs. |
| */ |
| public List<TextSync> textSyncs() { |
| return Collections.unmodifiableList(textSyncs); |
| } |
| |
| public void addTextSync(TextSync textSync) { |
| if (textSync == null) |
| throw new IllegalArgumentException("textSync cannot be null"); |
| if (textSync.group() != null) |
| throw new IllegalArgumentException("textSync " + textSync + // NOI18N |
| " already assigned to group " + textSync.group()); // NOI18N |
| textSyncs.add(textSync); |
| textSync.setGroup(this); |
| |
| } |
| |
| public void removeTextSync(TextSync textSync) { |
| if (textSyncs.remove(textSync)) { |
| textSync.setGroup(null); |
| } |
| } |
| |
| List<TextSync> textSyncsModifiable() { |
| return textSyncs; |
| } |
| |
| public TextRegionManager textRegionManager() { |
| return manager; |
| } |
| |
| void setTextRegionManager(TextRegionManager manager) { |
| this.manager = manager; |
| } |
| |
| public I clientInfo() { |
| return clientInfo; |
| } |
| |
| public void setClientInfo(I clientInfo) { |
| this.clientInfo = clientInfo; |
| } |
| |
| public TextSync activeTextSync() { |
| return (activeTextSyncIndex >= 0 && activeTextSyncIndex < textSyncs.size()) |
| ? textSyncs.get(activeTextSyncIndex) |
| : null; |
| } |
| |
| public int activeTextSyncIndex() { |
| return activeTextSyncIndex; |
| } |
| |
| void setActiveTextSyncIndex(int activeTextSyncIndex) { |
| this.activeTextSyncIndex = activeTextSyncIndex; |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(textSyncs.size() * 50 + 2); |
| sb.append(super.toString()); |
| if (clientInfo != null) { |
| sb.append(" ").append(clientInfo); |
| } |
| sb.append('\n'); |
| for (TextSync ts : textSyncs) { |
| sb.append(" ").append(ts).append('\n'); |
| } |
| return sb.toString(); |
| } |
| |
| } |