xml/impl/src/com/intellij/codeInsight/editorActions/XmlCDATAContentSelectioner.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package com.intellij.codeInsight.editorActions;
  17
  18 import com.intellij.psi.PsiElement;
  19 import com.intellij.psi.xml.XmlElementType;
  20 import com.intellij.psi.xml.XmlToken;
  21 import com.intellij.psi.xml.XmlTokenType;
  22 import com.intellij.psi.impl.source.tree.CompositePsiElement;
  23 import com.intellij.openapi.util.TextRange;
  24 import com.intellij.openapi.editor.Editor;
  25
  26 import java.util.List;
  27
  28 public class XmlCDATAContentSelectioner extends ExtendWordSelectionHandlerBase {
  29   public boolean canSelect(PsiElement e) {
  30     return e instanceof CompositePsiElement &&
  31            ((CompositePsiElement)e).getElementType() == XmlElementType.XML_CDATA;
  32   }
  33
  34   public List<TextRange> select(PsiElement e, CharSequence editorText, int cursorOffset, Editor editor) {
  35     List<TextRange> result = super.select(e, editorText, cursorOffset, editor);
  36     PsiElement[] children = e.getChildren();
  37
  38     PsiElement first = null;
  39     PsiElement last = null;
  40     for (PsiElement child : children) {
  41       if (child instanceof XmlToken) {
  42         XmlToken token = (XmlToken)child;
  43         if (token.getTokenType() == XmlTokenType.XML_CDATA_START) {
  44           first = token.getNextSibling();
  45         }
  46         if (token.getTokenType() == XmlTokenType.XML_CDATA_END) {
  47           last = token.getPrevSibling();
  48           break;
  49         }
  50       }
  51     }
  52
  53     if (first != null && last != null) {
  54       result.addAll(expandToWholeLine(editorText,
  55                                       new TextRange(first.getTextRange().getStartOffset(),
  56                                                     last.getTextRange().getEndOffset()),
  57                                       false));
  58     }
  59
  60     return result;
  61   }
  62 }