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/*******************************************************************************
* Copyright (c) 2016 Ericsson and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*******************************************************************************/
package org.eclipse.cdt.debug.internal.ui.views.debuggerconsole;
import org.eclipse.cdt.debug.internal.ui.CDebugImages;
import org.eclipse.cdt.debug.ui.CDebugUIPlugin;
import org.eclipse.cdt.debug.ui.debuggerconsole.IDebuggerConsole;
import org.eclipse.cdt.debug.ui.debuggerconsole.IDebuggerConsoleManager;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.ActionContributionItem;
import org.eclipse.jface.action.IMenuCreator;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.ui.console.IConsole;
import org.eclipse.ui.console.IConsoleListener;
import org.eclipse.ui.progress.UIJob;
import org.eclipse.ui.texteditor.IUpdate;
/**
* Drop down action in the DebuggerConsoleView to select which console to display.
*/
public class DebuggerConsoleDropDownAction extends Action implements IMenuCreator, IConsoleListener, IUpdate {
private DebuggerConsoleView fView;
private Menu fMenu;
public DebuggerConsoleDropDownAction(DebuggerConsoleView view) {
fView = view;
setText(ConsoleMessages.ConsoleDropDownAction_name);
setToolTipText(ConsoleMessages.ConsoleDropDownAction_description);
setImageDescriptor(CDebugImages.DESC_OBJS_DEBUGGER_CONSOLE_SELECT);
setMenuCreator(this);
getDebuggerConsoleManager().addConsoleListener(this);
update();
}
@Override
public void dispose() {
if (fMenu != null) {
fMenu.dispose();
}
fView = null;
getDebuggerConsoleManager().removeConsoleListener(this);
}
private IDebuggerConsoleManager getDebuggerConsoleManager() {
return CDebugUIPlugin.getDebuggerConsoleManager();
}
@Override
public void update() {
IDebuggerConsole[] consoles = getDebuggerConsoleManager().getConsoles();
// Keep the button enabled as soon as there is at least one console.
// Having it disabled for a single console can prove confusing to users,
// so we enable it even for a single console.
setEnabled(consoles.length > 0);
}
@Override
public Menu getMenu(Menu parent) {
return null;
}
@Override
public Menu getMenu(Control parent) {
if (fMenu != null) {
fMenu.dispose();
}
fMenu = new Menu(parent);
IDebuggerConsole[] consoles = getDebuggerConsoleManager().getConsoles();
IDebuggerConsole current = fView.getCurrentConsole();
for (int i = 0; i < consoles.length; i++) {
IDebuggerConsole console = consoles[i];
Action action = new DebuggerShowConsoleAction(fView, console);
action.setChecked(console.equals(current));
addActionToMenu(fMenu, action, i + 1);
}
return fMenu;
}
private void addActionToMenu(Menu parent, Action action, int accelerator) {
if (accelerator < 10) {
StringBuffer label= new StringBuffer();
//add the numerical accelerator
label.append('&');
label.append(accelerator);
label.append(' ');
label.append(action.getText());
action.setText(label.toString());
}
ActionContributionItem item= new ActionContributionItem(action);
item.fill(parent, -1);
}
@Override
public void run() {
IDebuggerConsole[] consoles = getDebuggerConsoleManager().getConsoles();
IDebuggerConsole current = fView.getCurrentConsole();
int idx = 0;
for (int i = 0; i < consoles.length; i++) {
idx = i;
if (consoles[i] == current) {
break;
}
}
int next = idx+1;
if (next >= consoles.length) {
next = 0;
}
fView.display(consoles[next]);
}
@Override
public void consolesAdded(IConsole[] consoles) {
UIJob job = new UIJob("") { //$NON-NLS-1$
@Override
public IStatus runInUIThread(IProgressMonitor monitor) {
update();
return Status.OK_STATUS;
}
};
job.setSystem(true);
job.setPriority(Job.INTERACTIVE);
job.schedule();
}
@Override
public void consolesRemoved(IConsole[] consoles) {
UIJob job = new UIJob("") { //$NON-NLS-1$
@Override
public IStatus runInUIThread(IProgressMonitor monitor) {
if (fMenu != null) {
fMenu.dispose();
}
update();
return Status.OK_STATUS;
}
};
job.setSystem(true);
job.setPriority(Job.INTERACTIVE);
job.schedule();
}
}
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