| /* |
| * 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.apache.uima.taeconfigurator.editors.xml; |
| |
| import org.eclipse.jface.text.*; |
| |
| public class XMLDoubleClickStrategy implements ITextDoubleClickStrategy { |
| protected ITextViewer fText; |
| |
| public void doubleClicked(ITextViewer part) { |
| int pos = part.getSelectedRange().x; |
| |
| if (pos < 0) |
| return; |
| |
| fText = part; |
| |
| if (!selectComment(pos)) { |
| selectWord(pos); |
| } |
| } |
| |
| protected boolean selectComment(int caretPos) { |
| IDocument doc = fText.getDocument(); |
| int startPos, endPos; |
| |
| try { |
| int pos = caretPos; |
| char c = ' '; |
| |
| while (pos >= 0) { |
| c = doc.getChar(pos); |
| if (c == '\\') { |
| pos -= 2; |
| continue; |
| } |
| if (c == '\n' || c == '\"') |
| break; |
| --pos; |
| } |
| |
| if (c != '\"') |
| return false; |
| |
| startPos = pos; |
| |
| pos = caretPos; |
| int length = doc.getLength(); |
| c = ' '; |
| |
| while (pos < length) { |
| c = doc.getChar(pos); |
| if (c == Character.LINE_SEPARATOR || c == '\"') |
| break; |
| ++pos; |
| } |
| if (c != '\"') |
| return false; |
| |
| endPos = pos; |
| |
| int offset = startPos + 1; |
| int len = endPos - offset; |
| fText.setSelectedRange(offset, len); |
| return true; |
| } catch (BadLocationException x) { |
| } |
| |
| return false; |
| } |
| |
| protected boolean selectWord(int caretPos) { |
| |
| IDocument doc = fText.getDocument(); |
| int startPos, endPos; |
| |
| try { |
| |
| int pos = caretPos; |
| char c; |
| |
| while (pos >= 0) { |
| c = doc.getChar(pos); |
| if (!Character.isJavaIdentifierPart(c)) |
| break; |
| --pos; |
| } |
| |
| startPos = pos; |
| |
| pos = caretPos; |
| int length = doc.getLength(); |
| |
| while (pos < length) { |
| c = doc.getChar(pos); |
| if (!Character.isJavaIdentifierPart(c)) |
| break; |
| ++pos; |
| } |
| |
| endPos = pos; |
| selectRange(startPos, endPos); |
| return true; |
| |
| } catch (BadLocationException x) { |
| } |
| |
| return false; |
| } |
| |
| private void selectRange(int startPos, int stopPos) { |
| int offset = startPos + 1; |
| int length = stopPos - offset; |
| fText.setSelectedRange(offset, length); |
| } |
| } |