java/java-impl/src/com/intellij/codeInsight/daemon/impl/GutterIconTooltipHelper.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
  17 /*
  18  * @author max
  19  */
  20 package com.intellij.codeInsight.daemon.impl;
  21
  22 import com.intellij.psi.PsiClass;
  23 import com.intellij.psi.PsiElement;
  24 import com.intellij.psi.PsiFile;
  25 import com.intellij.psi.PsiMethod;
  26 import com.intellij.psi.presentation.java.ClassPresentationUtil;
  27 import org.jetbrains.annotations.NonNls;
  28
  29 import java.text.MessageFormat;
  30 import java.util.LinkedHashSet;
  31 import java.util.Set;
  32
  33 public class GutterIconTooltipHelper {
  34   private GutterIconTooltipHelper() {
  35   }
  36
  37   public static String composeText(PsiElement[] elements, String start, final String pattern) {
  38     @NonNls StringBuilder result = new StringBuilder();
  39     result.append("<html><body>");
  40     result.append(start);
  41     Set<String> names = new LinkedHashSet<String>();
  42     for (PsiElement element : elements) {
  43       String descr = "";
  44       if (element instanceof PsiClass) {
  45         String className = ClassPresentationUtil.getNameForClass((PsiClass)element, true);
  46         descr = MessageFormat.format(pattern, className);
  47       }
  48       else if (element instanceof PsiMethod) {
  49         String methodName = ((PsiMethod)element).getName();
  50         String className = ClassPresentationUtil.getNameForClass(((PsiMethod)element).getContainingClass(), true);
  51         descr = MessageFormat.format(pattern, methodName, className);
  52       }
  53       else if (element instanceof PsiFile) {
  54         descr = MessageFormat.format(pattern, ((PsiFile)element).getName());
  55       }
  56       names.add(descr);
  57     }
  58
  59     @NonNls String sep = "";
  60     for (String name : names) {
  61       result.append(sep);
  62       sep = "<br>";
  63       result.append(name);
  64     }
  65
  66     result.append("</body></html>");
  67     return result.toString();
  68   }
  69 }