summaryrefslogtreecommitdiff
path: root/platform/lang-impl/src/com/intellij/ide/projectView/impl/ProjectViewPane.java
blob: 52e79d208147cffa73274a653a2fa0f21c7f85a6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
/*
 * Copyright 2000-2013 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/**
 * @author cdr
 */
package com.intellij.ide.projectView.impl;

import com.intellij.icons.AllIcons;
import com.intellij.ide.IdeBundle;
import com.intellij.ide.SelectInTarget;
import com.intellij.ide.impl.ProjectPaneSelectInTarget;
import com.intellij.ide.projectView.ViewSettings;
import com.intellij.ide.projectView.impl.nodes.ProjectViewDirectoryHelper;
import com.intellij.ide.projectView.impl.nodes.ProjectViewProjectNode;
import com.intellij.ide.util.treeView.AbstractTreeBuilder;
import com.intellij.ide.util.treeView.AbstractTreeNode;
import com.intellij.ide.util.treeView.AbstractTreeUpdater;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.registry.Registry;
import com.intellij.psi.PsiDirectory;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;

import javax.swing.*;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeModel;
import java.awt.*;

public class ProjectViewPane extends AbstractProjectViewPSIPane {
  @NonNls public static final String ID = "ProjectPane";

  public ProjectViewPane(Project project) {
    super(project);
  }

  @Override
  public String getTitle() {
    return IdeBundle.message("title.project");
  }

  @Override
  @NotNull
  public String getId() {
    return ID;
  }

  @Override
  public Icon getIcon() {
    return AllIcons.General.ProjectTab;
  }


  @Override
  public SelectInTarget createSelectInTarget() {
    return new ProjectPaneSelectInTarget(myProject);
  }

  @Override
  protected AbstractTreeUpdater createTreeUpdater(AbstractTreeBuilder treeBuilder) {
    return new ProjectViewTreeUpdater(treeBuilder);
  }

  @Override
  protected ProjectAbstractTreeStructureBase createStructure() {
    return new ProjectTreeStructure(myProject, ID){
      @Override
      protected AbstractTreeNode createRoot(final Project project, ViewSettings settings) {
        return new ProjectViewProjectNode(project, settings);
      }
    };
  }

  @Override
  protected ProjectViewTree createTree(DefaultTreeModel treeModel) {
    return new ProjectViewTree(myProject, treeModel) {
      public String toString() {
        return getTitle() + " " + super.toString();
      }

      @Override
      public void setFont(Font font) {
        if (Registry.is("bigger.font.in.project.view")) {
          font = font.deriveFont(font.getSize() + 1.0f);
        }
        super.setFont(font);
      }

      @Override
      public DefaultMutableTreeNode getSelectedNode() {
        return ProjectViewPane.this.getSelectedNode();
      }
    };
  }

  @NotNull
  public String getComponentName() {
    return "ProjectPane";
  }


  // should be first
  @Override
  public int getWeight() {
    return 0;
  }

  private final class ProjectViewTreeUpdater extends AbstractTreeUpdater {
    private ProjectViewTreeUpdater(final AbstractTreeBuilder treeBuilder) {
      super(treeBuilder);
    }

    @Override
    public boolean addSubtreeToUpdateByElement(Object element) {
      if (element instanceof PsiDirectory && !myProject.isDisposed()) {
        final PsiDirectory dir = (PsiDirectory)element;
        final ProjectTreeStructure treeStructure = (ProjectTreeStructure)myTreeStructure;
        PsiDirectory dirToUpdateFrom = dir;
        if (!treeStructure.isFlattenPackages() && treeStructure.isHideEmptyMiddlePackages()) {
          // optimization: this check makes sense only if flattenPackages == false && HideEmptyMiddle == true
          while (dirToUpdateFrom != null && ProjectViewDirectoryHelper.getInstance(myProject).isEmptyMiddleDirectory(dirToUpdateFrom, true)) {
            dirToUpdateFrom = dirToUpdateFrom.getParentDirectory();
          }
        }
        boolean addedOk;
        while (!(addedOk = super.addSubtreeToUpdateByElement(dirToUpdateFrom == null? myTreeStructure.getRootElement() : dirToUpdateFrom))) {
          if (dirToUpdateFrom == null) {
            break;
          }
          dirToUpdateFrom = dirToUpdateFrom.getParentDirectory();
        }
        return addedOk;
      }

      return super.addSubtreeToUpdateByElement(element);
    }
  }
}