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/*
* Copyright 2000-2009 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.ide.actions;
import com.intellij.ide.DeleteProvider;
import com.intellij.ide.IdeBundle;
import com.intellij.ide.TitledHandler;
import com.intellij.openapi.actionSystem.*;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.project.DumbAware;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.ui.speedSearch.SpeedSearchSupply;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
import javax.swing.text.JTextComponent;
import java.awt.event.KeyEvent;
public class DeleteAction extends AnAction implements DumbAware {
private static final Logger LOG = Logger.getInstance("#com.intellij.ide.actions.DeleteAction");
public void actionPerformed(AnActionEvent e) {
DataContext dataContext = e.getDataContext();
DeleteProvider provider = getDeleteProvider(dataContext);
if (provider == null) return;
try {
provider.deleteElement(dataContext);
}
catch (Throwable t) {
if (t instanceof StackOverflowError){
t.printStackTrace();
}
LOG.error(t);
}
}
@Nullable
protected DeleteProvider getDeleteProvider(DataContext dataContext) {
return PlatformDataKeys.DELETE_ELEMENT_PROVIDER.getData(dataContext);
}
public void update(AnActionEvent event){
String place = event.getPlace();
Presentation presentation = event.getPresentation();
if (ActionPlaces.PROJECT_VIEW_POPUP.equals(place) || ActionPlaces.COMMANDER_POPUP.equals(place))
presentation.setText(IdeBundle.message("action.delete.ellipsis"));
else
presentation.setText(IdeBundle.message("action.delete"));
DataContext dataContext = event.getDataContext();
Project project = CommonDataKeys.PROJECT.getData(dataContext);
if (project == null) {
presentation.setEnabled(false);
return;
}
DeleteProvider provider = getDeleteProvider(dataContext);
if (event.getInputEvent() instanceof KeyEvent) {
KeyEvent keyEvent = (KeyEvent)event.getInputEvent();
Object component = PlatformDataKeys.CONTEXT_COMPONENT.getData(dataContext);
if (component instanceof JTextComponent) provider = null; // Do not override text deletion
if (keyEvent.getKeyCode() == KeyEvent.VK_BACK_SPACE) {
// Do not override text deletion in speed search
if (component instanceof JComponent) {
SpeedSearchSupply searchSupply = SpeedSearchSupply.getSupply((JComponent)component);
if (searchSupply != null) provider = null;
}
String activeSpeedSearchFilter = SpeedSearchSupply.SPEED_SEARCH_CURRENT_QUERY.getData(dataContext);
if (!StringUtil.isEmpty(activeSpeedSearchFilter)) {
provider = null;
}
}
}
if (provider instanceof TitledHandler) {
presentation.setText(((TitledHandler)provider).getActionTitle());
}
final boolean canDelete = provider != null && provider.canDeleteElement(dataContext);
if (ActionPlaces.isPopupPlace(event.getPlace())) {
presentation.setVisible(canDelete);
}
else {
presentation.setEnabled(canDelete);
}
}
public DeleteAction(String text, String description, Icon icon) {
super(text, description, icon);
}
public DeleteAction() {
}
}
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