platform/lang-impl/src/com/intellij/application/options/editor/CodeFoldingConfigurable.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 package com.intellij.application.options.editor;
  18
  19 import com.intellij.codeInsight.folding.CodeFoldingManager;
  20 import com.intellij.openapi.application.ApplicationBundle;
  21 import com.intellij.openapi.application.ApplicationManager;
  22 import com.intellij.openapi.application.ModalityState;
  23 import com.intellij.openapi.editor.Editor;
  24 import com.intellij.openapi.editor.EditorFactory;
  25 import com.intellij.openapi.editor.ex.EditorSettingsExternalizable;
  26 import com.intellij.openapi.extensions.Extensions;
  27 import com.intellij.openapi.options.CompositeConfigurable;
  28 import com.intellij.openapi.options.ConfigurationException;
  29 import com.intellij.openapi.project.Project;
  30 import org.jetbrains.annotations.Nls;
  31
  32 import javax.swing.*;
  33 import java.awt.*;
  34 import java.util.Arrays;
  35 import java.util.List;
  36
  37 /**
  38  * @author yole
  39  */
  40 public class CodeFoldingConfigurable extends CompositeConfigurable<CodeFoldingOptionsProvider> implements EditorOptionsProvider {
  41   private JCheckBox myCbFolding;
  42   private JPanel myRootPanel;
  43   private JPanel myFoldingPanel;
  44
  45   @Nls
  46   public String getDisplayName() {
  47     return ApplicationBundle.message("group.code.folding");
  48   }
  49
  50   public Icon getIcon() {
  51     return null;
  52   }
  53
  54   public String getHelpTopic() {
  55     return "reference.settingsdialog.IDE.editor.code.folding";
  56   }
  57
  58   public JComponent createComponent() {
  59     for (CodeFoldingOptionsProvider provider : getConfigurables()) {
  60       myFoldingPanel.add(provider.createComponent(), new GridBagConstraints(0, GridBagConstraints.RELATIVE, 1, 1, 0, 0, GridBagConstraints.NORTHWEST,
  61                                                                             GridBagConstraints.NONE, new Insets(0,0,0,0), 0,0));
  62     }
  63     return myRootPanel;
  64   }
  65
  66   public boolean isModified() {
  67     return myCbFolding.isSelected() != EditorSettingsExternalizable.getInstance().isFoldingOutlineShown() ||
  68            super.isModified();
  69   }
  70
  71   public void apply() throws ConfigurationException {
  72     EditorSettingsExternalizable.getInstance().setFoldingOutlineShown(myCbFolding.isSelected());
  73     super.apply();
  74
  75     for (final Editor editor : EditorFactory.getInstance().getAllEditors()) {
  76       final Project project = editor.getProject();
  77       if (project != null && !project.isDefault()) {
  78         final CodeFoldingManager foldingManager = CodeFoldingManager.getInstance(project);
  79         if (foldingManager != null) {
  80           ApplicationManager.getApplication().invokeLater(new Runnable() {
  81             public void run() {
  82               foldingManager.forceDefaultState(editor);
  83             }
  84           }, ModalityState.NON_MODAL);
  85         }
  86       }
  87     }
  88   }
  89
  90   public void reset() {
  91     myCbFolding.setSelected(EditorSettingsExternalizable.getInstance().isFoldingOutlineShown());
  92     super.reset();
  93   }
  94
  95   protected List<CodeFoldingOptionsProvider> createConfigurables() {
  96     return Arrays.asList(Extensions.getExtensions(CodeFoldingOptionsProvider.EP_NAME));
  97   }
  98
  99   public String getId() {
 100     return "editor.preferences.folding";
 101   }
 102
 103   public Runnable enableSearch(final String option) {
 104     return null;
 105   }
 106 }