java/java-impl/src/com/intellij/codeInsight/generation/ui/SimpleFieldChooser.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.generation.ui;
  17
  18 import com.intellij.openapi.project.Project;
  19 import com.intellij.openapi.ui.DialogWrapper;
  20 import com.intellij.psi.PsiField;
  21 import com.intellij.psi.PsiNamedElement;
  22 import com.intellij.psi.PsiSubstitutor;
  23 import com.intellij.psi.util.PsiFormatUtil;
  24
  25 import javax.swing.*;
  26 import java.awt.*;
  27 import java.awt.event.MouseAdapter;
  28 import java.awt.event.MouseEvent;
  29
  30 /**
  31  * @author ven
  32  */
  33 public class SimpleFieldChooser extends DialogWrapper {
  34   private final PsiField[] myFields;
  35   private JList myList;
  36
  37   public SimpleFieldChooser(PsiField[] members, Project project) {
  38     super(project, true);
  39     myFields = members;
  40     init();
  41   }
  42
  43   protected JComponent createCenterPanel() {
  44     final DefaultListModel model = new DefaultListModel ();
  45     for (PsiField member : myFields) {
  46       model.addElement(member);
  47     }
  48     myList = new JList(model);
  49     myList.setCellRenderer(new MyListCellRenderer());
  50     myList.addMouseListener(
  51       new MouseAdapter() {
  52         public void mouseClicked(MouseEvent e) {
  53           if (e.getClickCount() == 2) {
  54             if (myList.getSelectedValues().length > 0) {
  55               doOKAction();
  56             }
  57           }
  58         }
  59       }
  60     );
  61
  62     myList.setPreferredSize(new Dimension(300, 400));
  63     return myList;
  64   }
  65
  66   public Object[] getSelectedElements() {
  67     return myList.getSelectedValues();
  68   }
  69
  70   private class MyListCellRenderer extends DefaultListCellRenderer {
  71     public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
  72       Icon icon = null;
  73       super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
  74       if (value instanceof PsiField) {
  75         PsiField field = (PsiField)value;
  76         icon = field.getIcon(0);
  77         final String text = PsiFormatUtil.formatVariable(field, PsiFormatUtil.SHOW_NAME | PsiFormatUtil.SHOW_TYPE, PsiSubstitutor.EMPTY);
  78         setText(text);
  79       }
  80       super.setIcon(icon);
  81       return this;
  82     }
  83   }
  84 }