lang-impl/src/com/intellij/ide/util/NavigationItemListCellRenderer.java

   1 /*
   2  * Copyright (c) 2004 JetBrains s.r.o. All  Rights Reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  *
   8  * -Redistributions of source code must retain the above copyright
   9  *  notice, this list of conditions and the following disclaimer.
  10  *
  11  * -Redistribution in binary form must reproduct the above copyright
  12  *  notice, this list of conditions and the following disclaimer in
  13  *  the documentation and/or other materials provided with the distribution.
  14  *
  15  * Neither the name of JetBrains or IntelliJ IDEA
  16  * may be used to endorse or promote products derived from this software
  17  * without specific prior written permission.
  18  *
  19  * This software is provided "AS IS," without a warranty of any kind. ALL
  20  * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
  21  * ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
  22  * OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. JETBRAINS AND ITS LICENSORS SHALL NOT
  23  * BE LIABLE FOR ANY DAMAGES OR LIABILITIES SUFFERED BY LICENSEE AS A RESULT
  24  * OF OR RELATING TO USE, MODIFICATION OR DISTRIBUTION OF THE SOFTWARE OR ITS
  25  * DERIVATIVES. IN NO EVENT WILL JETBRAINS OR ITS LICENSORS BE LIABLE FOR ANY LOST
  26  * REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL,
  27  * INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY
  28  * OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, EVEN
  29  * IF JETBRAINS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
  30  *
  31  */
  32 package com.intellij.ide.util;
  33
  34 import com.intellij.ide.ui.UISettings;
  35 import com.intellij.ide.util.treeView.NodeRenderer;
  36 import com.intellij.navigation.ItemPresentation;
  37 import com.intellij.navigation.NavigationItem;
  38 import com.intellij.openapi.editor.colors.EditorColorsManager;
  39 import com.intellij.openapi.editor.colors.EditorColorsScheme;
  40 import com.intellij.openapi.editor.markup.EffectType;
  41 import com.intellij.openapi.editor.markup.TextAttributes;
  42 import com.intellij.openapi.vcs.FileStatus;
  43 import com.intellij.openapi.vfs.VirtualFile;
  44 import com.intellij.openapi.project.Project;
  45 import com.intellij.problems.WolfTheProblemSolver;
  46 import com.intellij.psi.PsiElement;
  47 import com.intellij.psi.util.PsiUtilBase;
  48 import com.intellij.ui.ColoredListCellRenderer;
  49 import com.intellij.ui.SimpleTextAttributes;
  50 import com.intellij.ui.FileColorManager;
  51 import com.intellij.util.IconUtil;
  52 import com.intellij.util.ui.UIUtil;
  53
  54 import javax.swing.*;
  55 import java.awt.*;
  56
  57 public class NavigationItemListCellRenderer extends JPanel implements ListCellRenderer {
  58   public NavigationItemListCellRenderer() {
  59     super(new BorderLayout());
  60   }
  61
  62   public Component getListCellRendererComponent(
  63     JList list,
  64     Object value,
  65     int index,
  66     boolean isSelected,
  67     boolean cellHasFocus) {
  68     EditorColorsScheme scheme = EditorColorsManager.getInstance().getGlobalScheme();
  69     Font editorFont = new Font(scheme.getEditorFontName(), Font.PLAIN, scheme.getEditorFontSize());
  70     setFont(editorFont);
  71     removeAll();
  72     final Component leftCellRendererComponent =
  73       new LeftRenderer().getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
  74     final Color listBg = leftCellRendererComponent.getBackground();
  75     add(leftCellRendererComponent, BorderLayout.WEST);
  76     if  (UISettings.getInstance().SHOW_ICONS_IN_QUICK_NAVIGATION){
  77       final DefaultListCellRenderer moduleRenderer = ModuleRendererFactory.getInstance().getModuleRenderer();
  78       final Component rightCellRendererComponent =
  79         moduleRenderer.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
  80       rightCellRendererComponent.setBackground(listBg);
  81       add(rightCellRendererComponent, BorderLayout.EAST);
  82       final JPanel spacer = new JPanel();
  83       final Dimension size = rightCellRendererComponent.getSize();
  84       spacer.setSize(new Dimension((int)(size.width * 0.015 + leftCellRendererComponent.getSize().width * 0.015), size.height));
  85       spacer.setBackground(isSelected ? UIUtil.getListSelectionBackground() : listBg);
  86       add(spacer, BorderLayout.CENTER);
  87     }
  88     setBackground(isSelected ? UIUtil.getListSelectionBackground() : UIUtil.getListBackground());
  89     return this;
  90   }
  91
  92   private static class LeftRenderer extends ColoredListCellRenderer {
  93     protected void customizeCellRenderer(
  94       JList list,
  95       Object value,
  96       int index,
  97       boolean selected,
  98       boolean hasFocus
  99       ) {
 100       Color bgColor = UIUtil.getListBackground();
 101
 102       if (value instanceof NavigationItem) {
 103         NavigationItem element = (NavigationItem)value;
 104         ItemPresentation presentation = element.getPresentation();
 105         assert presentation != null: "PSI elements displayed in choose by name lists must return a non-null value from getPresentation(): element " +
 106           element.toString() + ", class " + element.getClass().getName();
 107         String name = presentation.getPresentableText();
 108         Color color = list.getForeground();
 109         boolean isProblemFile = element instanceof PsiElement
 110                                 && WolfTheProblemSolver.getInstance(((PsiElement)element).getProject())
 111                                    .isProblemFile(PsiUtilBase.getVirtualFile((PsiElement)element));
 112
 113         if (element instanceof PsiElement) {
 114           final PsiElement psiElement = (PsiElement)element;
 115           final Project project = psiElement.getProject();
 116
 117           final VirtualFile virtualFile = PsiUtilBase.getVirtualFile(psiElement);
 118           isProblemFile = WolfTheProblemSolver.getInstance(project).isProblemFile(virtualFile);
 119
 120           final FileColorManager fileColorManager = FileColorManager.getInstance(project);
 121           if (virtualFile != null && fileColorManager.isEnabled()) {
 122             final Color fileColor = fileColorManager.getFileColor(psiElement.getContainingFile());
 123             if (fileColor != null) {
 124               bgColor = fileColor;
 125             }
 126           }
 127         }
 128
 129         FileStatus status = element.getFileStatus();
 130         if (status != FileStatus.NOT_CHANGED) {
 131           color = status.getColor();
 132         }
 133
 134         final TextAttributes textAttributes = NodeRenderer.getSimpleTextAttributes(presentation).toTextAttributes();
 135         if (isProblemFile) {
 136           textAttributes.setEffectType(EffectType.WAVE_UNDERSCORE);
 137           textAttributes.setEffectColor(Color.red);
 138         }
 139         textAttributes.setForegroundColor(color);
 140         SimpleTextAttributes nameAttributes = SimpleTextAttributes.fromTextAttributes(textAttributes);
 141         append(name, nameAttributes);
 142         setIcon(presentation.getIcon(false));
 143
 144         String containerText = presentation.getLocationString();
 145
 146         if (containerText != null && containerText.length() > 0) {
 147           append(" " + containerText, new SimpleTextAttributes(Font.PLAIN, Color.GRAY));
 148         }
 149       }
 150       else {
 151         setIcon(IconUtil.getEmptyIcon(false));
 152         append(value == null ? "" : value.toString(), new SimpleTextAttributes(Font.PLAIN, list.getForeground()));
 153       }
 154       setPaintFocusBorder(false);
 155       setBackground(selected ? UIUtil.getListSelectionBackground() : bgColor);
 156     }
 157   }
 158 }