java/java-impl/src/com/intellij/ide/structureView/impl/java/PsiFieldTreeElement.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.ide.structureView.impl.java;
  17
  18 import com.intellij.ide.structureView.StructureViewTreeElement;
  19 import com.intellij.ide.util.treeView.smartTree.SortableTreeElement;
  20 import com.intellij.navigation.ItemPresentation;
  21 import com.intellij.psi.PsiField;
  22 import com.intellij.psi.PsiSubstitutor;
  23 import com.intellij.psi.util.PsiFormatUtil;
  24 import org.jetbrains.annotations.NotNull;
  25
  26 import java.util.Collection;
  27 import java.util.Collections;
  28
  29 public class PsiFieldTreeElement extends JavaClassTreeElementBase<PsiField> implements SortableTreeElement {
  30   public PsiFieldTreeElement(PsiField field, boolean isInherited) {
  31     super(isInherited,field);
  32  }
  33
  34   @NotNull
  35   public Collection<StructureViewTreeElement> getChildrenBase() {
  36     return Collections.emptyList();
  37   }
  38
  39   public ItemPresentation getPresentation() {
  40     return this;
  41   }
  42
  43   public String getPresentableText() {
  44     return PsiFormatUtil.formatVariable(
  45       getElement(),
  46       PsiFormatUtil.SHOW_NAME | PsiFormatUtil.SHOW_TYPE | PsiFormatUtil.TYPE_AFTER | PsiFormatUtil.SHOW_INITIALIZER,
  47       PsiSubstitutor.EMPTY
  48     );
  49   }
  50
  51   public PsiField getField() {
  52     return getElement();
  53   }
  54
  55   public String getAlphaSortKey() {
  56     final PsiField field = getElement();
  57     if (field != null) {
  58       String name = field.getName();
  59       if (name != null) {
  60         return name;
  61       }
  62     }
  63     return "";
  64   }
  65 }