xml/impl/src/com/intellij/xml/util/documentation/XHtmlDocumentationProvider.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.xml.util.documentation;
  17
  18 import com.intellij.psi.PsiElement;
  19 import com.intellij.psi.PsiWhiteSpace;
  20 import com.intellij.psi.xml.XmlTag;
  21 import com.intellij.psi.xml.XmlText;
  22
  23 /**
  24  * Created by IntelliJ IDEA.
  25  * User: maxim
  26  * Date: 24.12.2004
  27  * Time: 23:55:20
  28  * To change this template use File | Settings | File Templates.
  29  */
  30 public class XHtmlDocumentationProvider extends HtmlDocumentationProvider {
  31
  32   protected String generateDocForHtml(PsiElement element, boolean ommitHtmlSpecifics, XmlTag context, PsiElement originalElement) {
  33     return super.generateDocForHtml(element, true, context, originalElement);
  34   }
  35
  36   protected XmlTag findTagContext(PsiElement context) {
  37     XmlTag tagBeforeWhiteSpace = findTagBeforeWhiteSpace(context);
  38     if (tagBeforeWhiteSpace!=null) return tagBeforeWhiteSpace;
  39     return super.findTagContext(context);
  40   }
  41
  42   private XmlTag findTagBeforeWhiteSpace(PsiElement context) {
  43     if (context instanceof PsiWhiteSpace) {
  44       PsiElement parent = context.getParent();
  45       if (parent instanceof XmlText) {
  46         PsiElement prevSibling = parent.getPrevSibling();
  47         if (prevSibling instanceof XmlTag) return (XmlTag)prevSibling;
  48       } else if (parent instanceof XmlTag) {
  49         return (XmlTag)parent;
  50       }
  51     }
  52
  53     return null;
  54   }
  55
  56   protected boolean isAttributeContext(PsiElement context) {
  57     if (findTagBeforeWhiteSpace(context)!=null) return false;
  58
  59     return super.isAttributeContext(context);
  60   }
  61 }