| /* |
| * Copyright 2000-2012 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. |
| */ |
| package com.intellij.ui; |
| |
| import com.intellij.openapi.actionSystem.ActionToolbarPosition; |
| import com.intellij.openapi.util.SystemInfo; |
| import com.intellij.ui.treeStructure.SimpleNode; |
| import com.intellij.util.ui.EditableModel; |
| import com.intellij.util.ui.EditableTreeModel; |
| import com.intellij.util.ui.ElementProducer; |
| import com.intellij.util.ui.tree.TreeUtil; |
| import org.jetbrains.annotations.Nullable; |
| |
| import javax.swing.*; |
| import javax.swing.event.TreeSelectionEvent; |
| import javax.swing.event.TreeSelectionListener; |
| import javax.swing.tree.DefaultMutableTreeNode; |
| import javax.swing.tree.DefaultTreeModel; |
| import javax.swing.tree.TreePath; |
| import java.beans.PropertyChangeEvent; |
| import java.beans.PropertyChangeListener; |
| |
| /** |
| * @author Konstantin Bulenkov |
| */ |
| class TreeToolbarDecorator extends ToolbarDecorator { |
| private final JTree myTree; |
| @Nullable private final ElementProducer<?> myProducer; |
| |
| TreeToolbarDecorator(JTree tree, @Nullable final ElementProducer<?> producer) { |
| myTree = tree; |
| myProducer = producer; |
| myAddActionEnabled = myRemoveActionEnabled = myUpActionEnabled = myDownActionEnabled = myTree.getModel() instanceof EditableTreeModel; |
| if (myTree.getModel() instanceof EditableTreeModel) { |
| createDefaultTreeActions(); |
| } |
| myTree.getSelectionModel().addTreeSelectionListener(new TreeSelectionListener() { |
| @Override |
| public void valueChanged(TreeSelectionEvent e) { |
| updateButtons(); |
| } |
| }); |
| myTree.addPropertyChangeListener("enabled", new PropertyChangeListener() { |
| @Override |
| public void propertyChange(PropertyChangeEvent evt) { |
| updateButtons(); |
| } |
| }); |
| } |
| |
| private void createDefaultTreeActions() { |
| final EditableTreeModel model = (EditableTreeModel)myTree.getModel(); |
| myAddAction = new AnActionButtonRunnable() { |
| @Override |
| public void run(AnActionButton button) { |
| final TreePath path = myTree.getSelectionPath(); |
| final DefaultMutableTreeNode selected = |
| path == null ? (DefaultMutableTreeNode)myTree.getModel().getRoot() : (DefaultMutableTreeNode)path.getLastPathComponent(); |
| final Object selectedNode = selected.getUserObject(); |
| |
| myTree.stopEditing(); |
| Object element; |
| if (model instanceof DefaultTreeModel && myProducer != null) { |
| element = myProducer.createElement(); |
| if (element == null) return; |
| } else { |
| element = null; |
| } |
| DefaultMutableTreeNode parent = selected; |
| if ((selectedNode instanceof SimpleNode && ((SimpleNode)selectedNode).isAlwaysLeaf()) || !selected.getAllowsChildren()) { |
| parent = (DefaultMutableTreeNode)selected.getParent(); |
| } |
| if (parent != null) { |
| parent.insert(new DefaultMutableTreeNode(element), parent.getChildCount()); |
| } |
| final TreePath createdPath = model.addNode(new TreePath(parent.getPath())); |
| if (path != null) { |
| TreeUtil.selectPath(myTree, createdPath); |
| myTree.requestFocus(); |
| } |
| } |
| }; |
| |
| myRemoveAction = new AnActionButtonRunnable() { |
| @Override |
| public void run(AnActionButton button) { |
| myTree.stopEditing(); |
| final TreePath path = myTree.getSelectionPath(); |
| model.removeNode(path); |
| } |
| }; |
| } |
| |
| @Override |
| public ToolbarDecorator initPosition() { |
| return setToolbarPosition(SystemInfo.isMac ? ActionToolbarPosition.BOTTOM : ActionToolbarPosition.TOP); |
| } |
| |
| @Override |
| protected JComponent getComponent() { |
| return myTree; |
| } |
| |
| @Override |
| protected void updateButtons() { |
| getActionsPanel().setEnabled(CommonActionsPanel.Buttons.REMOVE, myTree.getSelectionPath() != null); |
| } |
| |
| @Override |
| public ToolbarDecorator setVisibleRowCount(int rowCount) { |
| myTree.setVisibleRowCount(rowCount); |
| return this; |
| } |
| |
| @Override |
| protected boolean isModelEditable() { |
| return myTree.getModel() instanceof EditableModel; |
| } |
| |
| @Override |
| protected void installDnDSupport() { |
| RowsDnDSupport.install(myTree, (EditableModel)myTree.getModel()); |
| } |
| } |