| /* |
| * Copyright 2000-2011 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.util.ui.EditableModel; |
| import org.jetbrains.annotations.Nullable; |
| |
| import javax.swing.*; |
| import javax.swing.event.ListSelectionEvent; |
| import javax.swing.event.ListSelectionListener; |
| import java.beans.PropertyChangeEvent; |
| import java.beans.PropertyChangeListener; |
| |
| /** |
| * @author Konstantin Bulenkov |
| */ |
| class ListToolbarDecorator extends ToolbarDecorator { |
| private final JList myList; |
| private final EditableModel myEditableModel; |
| |
| ListToolbarDecorator(JList list, @Nullable EditableModel editableModel) { |
| myList = list; |
| myEditableModel = editableModel; |
| myAddActionEnabled = myRemoveActionEnabled = myUpActionEnabled = myDownActionEnabled = true; |
| createActions(); |
| myList.addListSelectionListener(new ListSelectionListener() { |
| @Override |
| public void valueChanged(ListSelectionEvent e) { |
| updateButtons(); |
| } |
| }); |
| myList.addPropertyChangeListener("enabled", new PropertyChangeListener() { |
| @Override |
| public void propertyChange(PropertyChangeEvent evt) { |
| updateButtons(); |
| } |
| }); |
| } |
| |
| private void createActions() { |
| myRemoveAction = new AnActionButtonRunnable() { |
| @Override |
| public void run(AnActionButton button) { |
| ListUtil.removeSelectedItems(myList); |
| updateButtons(); |
| } |
| }; |
| myUpAction = new AnActionButtonRunnable() { |
| @Override |
| public void run(AnActionButton button) { |
| ListUtil.moveSelectedItemsUp(myList); |
| updateButtons(); |
| } |
| }; |
| myDownAction = new AnActionButtonRunnable() { |
| @Override |
| public void run(AnActionButton button) { |
| ListUtil.moveSelectedItemsDown(myList); |
| updateButtons(); |
| } |
| }; |
| } |
| |
| @Override |
| protected JComponent getComponent() { |
| return myList; |
| } |
| |
| @Override |
| protected void updateButtons() { |
| final CommonActionsPanel p = getActionsPanel(); |
| if (p != null) { |
| boolean someElementSelected; |
| if (myList.isEnabled()) { |
| final int index = myList.getSelectedIndex(); |
| someElementSelected = 0 <= index && index < myList.getModel().getSize(); |
| if (someElementSelected) { |
| final boolean downEnable = myList.getMaxSelectionIndex() < myList.getModel().getSize() - 1; |
| final boolean upEnable = myList.getMinSelectionIndex() > 0; |
| final boolean editEnabled = myList.getSelectedIndices().length == 1; |
| p.setEnabled(CommonActionsPanel.Buttons.EDIT, editEnabled); |
| p.setEnabled(CommonActionsPanel.Buttons.UP, upEnable); |
| p.setEnabled(CommonActionsPanel.Buttons.DOWN, downEnable); |
| } |
| else { |
| p.setEnabled(CommonActionsPanel.Buttons.EDIT, false); |
| p.setEnabled(CommonActionsPanel.Buttons.UP, false); |
| p.setEnabled(CommonActionsPanel.Buttons.DOWN, false); |
| } |
| p.setEnabled(CommonActionsPanel.Buttons.ADD, true); |
| } |
| else { |
| someElementSelected = false; |
| p.setEnabled(CommonActionsPanel.Buttons.ADD, false); |
| p.setEnabled(CommonActionsPanel.Buttons.UP, false); |
| p.setEnabled(CommonActionsPanel.Buttons.DOWN, false); |
| } |
| |
| p.setEnabled(CommonActionsPanel.Buttons.REMOVE, someElementSelected); |
| updateExtraElementActions(someElementSelected); |
| } |
| } |
| |
| @Override |
| public ToolbarDecorator setVisibleRowCount(int rowCount) { |
| myList.setVisibleRowCount(rowCount); |
| return this; |
| } |
| |
| @Override |
| protected boolean isModelEditable() { |
| return myEditableModel != null || myList.getModel() instanceof EditableModel; |
| } |
| |
| @Override |
| protected void installDnDSupport() { |
| RowsDnDSupport.install(myList, myEditableModel != null ? myEditableModel : (EditableModel)myList.getModel()); |
| } |
| } |