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/*******************************************************************************
* Copyright (c) 2006, 2015 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
* ARTAL Technologies <simon.chemouil@artal.fr> - Bug 293044 added keybindings display
* Lars Vogel <Lars.Vogel@gmail.com> - Bug 440810
* Patrik Suzzi <psuzzi@gmail.com> - Bug 476045
*******************************************************************************/
package org.eclipse.ui.internal.quickaccess;
import org.eclipse.core.commands.Command;
import org.eclipse.core.commands.ParameterizedCommand;
import org.eclipse.core.commands.common.NotDefinedException;
import org.eclipse.jface.bindings.TriggerSequence;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.osgi.util.NLS;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.commands.ICommandImageService;
import org.eclipse.ui.handlers.IHandlerService;
import org.eclipse.ui.internal.keys.BindingService;
import org.eclipse.ui.internal.menus.CommandMessages;
import org.eclipse.ui.internal.misc.StatusUtil;
import org.eclipse.ui.keys.IBindingService;
import org.eclipse.ui.quickaccess.QuickAccessElement;
import org.eclipse.ui.statushandlers.StatusManager;
/**
* @since 3.3
*
*/
public class CommandElement extends QuickAccessElement {
private ParameterizedCommand command;
private String id;
/* package */ CommandElement(ParameterizedCommand command, String id, CommandProvider commandProvider) {
super(commandProvider);
this.id = id;
this.command = command;
}
@Override
public void execute() {
Object o = getProvider();
if (o instanceof CommandProvider) {
CommandProvider provider = (CommandProvider) o;
if (provider.getHandlerService() != null && provider.getContextSnapshot() != null) {
try {
provider.getHandlerService().executeCommandInContext(command, null, provider.getContextSnapshot());
} catch (Exception ex) {
StatusUtil.handleStatus(ex, StatusManager.SHOW | StatusManager.LOG);
}
return;
}
}
// let's try the old fashioned way
IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
if (window != null) {
IHandlerService handlerService = window.getWorkbench().getService(IHandlerService.class);
try {
handlerService.executeCommand(command, null);
} catch (Exception ex) {
StatusUtil.handleStatus(ex, StatusManager.SHOW | StatusManager.LOG);
}
}
}
@Override
public String getId() {
return id;
}
@Override
public ImageDescriptor getImageDescriptor() {
ICommandImageService imgService = ((CommandProvider) getProvider()).getCommandImageService();
return (imgService == null) ? null : imgService.getImageDescriptor(getId());
}
/**
* Returns a formatted string describes this command.
*
* @return a description of the command of this element
* @since 3.6
*/
public String getCommand() {
final StringBuilder label = new StringBuilder();
try {
Command nestedCommand = command.getCommand();
label.append(command.getName());
if (nestedCommand != null && nestedCommand.getDescription() != null
&& nestedCommand.getDescription().length() != 0) {
label.append(separator).append(nestedCommand.getDescription());
}
} catch (NotDefinedException e) {
label.append(command.toString());
}
return label.toString();
}
@Override
public String getLabel() {
String command = getCommand();
String binding = getBinding();
if (binding != null) {
return NLS.bind(CommandMessages.Tooltip_Accelerator, command, binding);
}
return command;
}
/**
* Returns a formatted string that can be used to invoke this element's command.
* <code>null</code> may be returned if a binding cannot be found.
*
* @return the string keybinding for invoking this element's command, may be
* <code>null</code>
* @since 3.6
*/
public String getBinding() {
BindingService service = (BindingService) PlatformUI.getWorkbench().getService(IBindingService.class);
TriggerSequence[] triggerSeq = service.getBindingManager().getActiveBindingsDisregardingContextFor(command);
if (triggerSeq != null && triggerSeq.length > 0) {
return triggerSeq[0].format();
}
return null;
}
@Override
public String getSortLabel() {
try {
return command.getName();
} catch (NotDefinedException e) {
return command.toString();
}
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((command == null) ? 0 : command.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
final CommandElement other = (CommandElement) obj;
if (command == null) {
if (other.command != null)
return false;
} else if (!command.equals(other.command))
return false;
return true;
}
}
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