dom/openapi/src/com/intellij/util/xml/DomMetaData.java

   1 /*
   2  * Copyright 2000-2007 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.util.xml;
  17
  18 import com.intellij.psi.PsiElement;
  19 import com.intellij.psi.meta.PsiMetaData;
  20 import com.intellij.psi.meta.PsiPresentableMetaData;
  21 import com.intellij.psi.meta.PsiWritableMetaData;
  22 import com.intellij.psi.xml.XmlTag;
  23 import com.intellij.util.IncorrectOperationException;
  24 import org.jetbrains.annotations.NonNls;
  25 import org.jetbrains.annotations.Nullable;
  26
  27 import javax.swing.*;
  28
  29 /**
  30  * @author peter
  31  */
  32 public class DomMetaData<T extends DomElement> implements PsiWritableMetaData, PsiPresentableMetaData, PsiMetaData {
  33   private T myElement;
  34   @Nullable
  35   private GenericDomValue myNameElement;
  36
  37   public final PsiElement getDeclaration() {
  38     return myElement.getXmlTag();
  39   }
  40
  41   public T getElement() {
  42     return myElement;
  43   }
  44
  45   @NonNls
  46   public String getName(PsiElement context) {
  47     return getName();
  48   }
  49
  50   @NonNls
  51   public final String getName() {
  52     final String s = ElementPresentationManager.getElementName(myElement);
  53     if (s != null) return s;
  54
  55     final GenericDomValue value = getNameElement(myElement);
  56     return value == null ? null : value.getStringValue();
  57   }
  58
  59   public void init(PsiElement element) {
  60     myElement = (T) DomManager.getDomManager(element.getProject()).getDomElement((XmlTag)element);
  61     assert myElement != null : element;
  62     myNameElement = getNameElement(myElement);
  63   }
  64
  65   @Nullable
  66   protected GenericDomValue getNameElement(final T t) {
  67     return myElement.getGenericInfo().getNameDomElement(t);
  68   }
  69
  70   public Object[] getDependences() {
  71     final PsiElement declaration = getDeclaration();
  72     if (myElement != null && myElement.isValid()) {
  73       return new Object[]{myElement.getRoot(), declaration};
  74     }
  75     return new Object[]{declaration};
  76   }
  77
  78   public void setName(String name) throws IncorrectOperationException {
  79     if (myNameElement != null) {
  80       myNameElement.setStringValue(name);
  81     }
  82   }
  83
  84   public String getTypeName() {
  85     return ElementPresentationManager.getTypeNameForObject(myElement);
  86   }
  87
  88   public Icon getIcon() {
  89     return ElementPresentationManager.getIcon(myElement);
  90   }
  91 }