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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.IdeBundle;
import com.intellij.ide.OccurenceNavigator;
import com.intellij.openapi.actionSystem.*;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.project.DumbAware;
import com.intellij.openapi.util.Condition;
import com.intellij.openapi.wm.WindowManager;
import com.intellij.openapi.wm.ex.ToolWindowManagerEx;
import com.intellij.openapi.wm.ex.WindowManagerEx;
import com.intellij.pom.Navigatable;
import com.intellij.ui.content.Content;
import com.intellij.ui.content.ContentManager;
import com.intellij.ui.content.ContentManagerUtil;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
import java.awt.*;
import java.util.LinkedList;
abstract class OccurenceNavigatorActionBase extends AnAction implements DumbAware {
public void actionPerformed(AnActionEvent e) {
Project project = CommonDataKeys.PROJECT.getData(e.getDataContext());
if (project == null) return;
OccurenceNavigator navigator = getNavigator(e.getDataContext());
if (navigator == null) {
return;
}
if (!hasOccurenceToGo(navigator)) {
return;
}
OccurenceNavigator.OccurenceInfo occurenceInfo = go(navigator);
if (occurenceInfo == null) {
return;
}
Navigatable descriptor = occurenceInfo.getNavigateable();
if (descriptor != null && descriptor.canNavigate()) {
descriptor.navigate(false);
}
if(occurenceInfo.getOccurenceNumber()==-1||occurenceInfo.getOccurencesCount()==-1){
return;
}
WindowManager.getInstance().getStatusBar(project).setInfo(
IdeBundle.message("message.occurrence.N.of.M", occurenceInfo.getOccurenceNumber(), occurenceInfo.getOccurencesCount()));
}
public void update(AnActionEvent event) {
Presentation presentation = event.getPresentation();
Project project = event.getData(CommonDataKeys.PROJECT);
if (project == null) {
presentation.setEnabled(false);
// make it invisible only in main menu to avoid initial invisibility in toolbars
presentation.setVisible(!ActionPlaces.isMainMenuOrActionSearch(event.getPlace()));
return;
}
OccurenceNavigator navigator = getNavigator(event.getDataContext());
if (navigator == null) {
presentation.setEnabled(false);
// make it invisible only in main menu to avoid initial invisibility in toolbars
presentation.setVisible(!ActionPlaces.isMainMenuOrActionSearch(event.getPlace()));
return;
}
presentation.setVisible(true);
presentation.setEnabled(hasOccurenceToGo(navigator));
presentation.setText(getDescription(navigator));
}
protected abstract OccurenceNavigator.OccurenceInfo go(OccurenceNavigator navigator);
protected abstract boolean hasOccurenceToGo(OccurenceNavigator navigator);
protected abstract String getDescription(OccurenceNavigator navigator);
@Nullable
protected OccurenceNavigator getNavigator(DataContext dataContext) {
ContentManager contentManager = ContentManagerUtil.getContentManagerFromContext(dataContext, false);
if (contentManager != null) {
Content content = contentManager.getSelectedContent();
if (content == null) return null;
JComponent component = content.getComponent();
return findNavigator(component);
}
return (OccurenceNavigator)getOccurenceNavigatorFromContext(dataContext);
}
@Nullable
private static OccurenceNavigator findNavigator(JComponent parent) {
LinkedList<JComponent> queue = new LinkedList<JComponent>();
queue.addLast(parent);
while (!queue.isEmpty()) {
JComponent component = queue.removeFirst();
if (component instanceof OccurenceNavigator) return (OccurenceNavigator)component;
if (component instanceof JTabbedPane) {
final JComponent selectedComponent = (JComponent)((JTabbedPane)component).getSelectedComponent();
if (selectedComponent != null) {
queue.addLast(selectedComponent);
}
}
else if (component != null){
for (int i = 0; i < component.getComponentCount(); i++) {
Component child = component.getComponent(i);
if (!(child instanceof JComponent)) continue;
queue.addLast((JComponent)child);
}
}
}
return null;
}
@Nullable
private static Component getOccurenceNavigatorFromContext(DataContext dataContext) {
Window window = WindowManagerEx.getInstanceEx().getMostRecentFocusedWindow();
if (window != null) {
Component component = window.getFocusOwner();
for (Component c = component; c != null; c = c.getParent()) {
if (c instanceof OccurenceNavigator) {
return c;
}
}
}
Project project = CommonDataKeys.PROJECT.getData(dataContext);
if (project == null) {
return null;
}
ToolWindowManagerEx mgr = ToolWindowManagerEx.getInstanceEx(project);
String id = mgr.getLastActiveToolWindowId(new Condition<JComponent>() {
public boolean value(final JComponent component) {
return findNavigator(component) != null;
}
});
if (id == null) {
return null;
}
return (Component)findNavigator(mgr.getToolWindow(id).getComponent());
}
}
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