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/*
* 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.ProjectView;
import com.intellij.ide.projectView.ProjectViewSettings;
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.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.DefaultActionGroup;
import com.intellij.openapi.actionSystem.Presentation;
import com.intellij.openapi.actionSystem.ToggleAction;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.InvalidDataException;
import com.intellij.openapi.util.JDOMExternalizerUtil;
import com.intellij.openapi.util.WriteExternalException;
import com.intellij.openapi.util.registry.Registry;
import com.intellij.psi.PsiDirectory;
import org.jdom.Element;
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 static final String SHOW_EXCLUDED_FILES_OPTION = "show-excluded-files";
private boolean myShowExcludedFiles = true;
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 ProjectViewPaneTreeStructure();
}
@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";
}
@Override
public void readExternal(Element element) throws InvalidDataException {
super.readExternal(element);
String showExcludedOption = JDOMExternalizerUtil.readField(element, SHOW_EXCLUDED_FILES_OPTION);
myShowExcludedFiles = showExcludedOption == null || Boolean.parseBoolean(showExcludedOption);
}
@Override
public void writeExternal(Element element) throws WriteExternalException {
super.writeExternal(element);
if (!myShowExcludedFiles) {
JDOMExternalizerUtil.writeField(element, SHOW_EXCLUDED_FILES_OPTION, String.valueOf(false));
}
}
@Override
public void addToolbarActions(DefaultActionGroup actionGroup) {
actionGroup.addAction(new ShowExcludedFilesAction()).setAsSecondary(true);
}
// 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);
}
}
private class ProjectViewPaneTreeStructure extends ProjectTreeStructure implements ProjectViewSettings {
public ProjectViewPaneTreeStructure() {
super(ProjectViewPane.this.myProject, ID);
}
@Override
protected AbstractTreeNode createRoot(final Project project, ViewSettings settings) {
return new ProjectViewProjectNode(project, settings);
}
@Override
public boolean isShowExcludedFiles() {
return myShowExcludedFiles;
}
}
private final class ShowExcludedFilesAction extends ToggleAction {
private ShowExcludedFilesAction() {
super(IdeBundle.message("action.show.excluded.files"), IdeBundle.message("action.show.hide.excluded.files"), null);
}
@Override
public boolean isSelected(AnActionEvent event) {
return myShowExcludedFiles;
}
@Override
public void setSelected(AnActionEvent event, boolean flag) {
if (myShowExcludedFiles != flag) {
myShowExcludedFiles = flag;
updateFromRoot(true);
}
}
@Override
public void update(AnActionEvent e) {
super.update(e);
final Presentation presentation = e.getPresentation();
final ProjectView projectView = ProjectView.getInstance(myProject);
presentation.setVisible(projectView.getCurrentProjectViewPane() == ProjectViewPane.this);
}
}
}
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