/** | |
* Copyright (c) 2009-2010 Thales Corporate Services S.A.S. | |
* This program and the accompanying materials | |
* are made available under the terms of the Eclipse Public License v2.0 | |
* which accompanies this distribution, and is available at | |
* https://www.eclipse.org/legal/epl-v2.0 | |
* | |
* SPDX-License-Identifier: EPL-2.0 | |
* | |
* Contributors: | |
* Thales Corporate Services S.A.S - initial API and implementation | |
*/ | |
package org.eclipse.egf.core.ui.internal.registry; | |
import java.util.Collections; | |
import java.util.HashMap; | |
import java.util.Map; | |
import org.eclipse.core.internal.registry.Handle; | |
import org.eclipse.core.runtime.CoreException; | |
import org.eclipse.core.runtime.IConfigurationElement; | |
import org.eclipse.core.runtime.IExtension; | |
import org.eclipse.egf.common.l10n.EGFCommonMessages; | |
import org.eclipse.egf.core.ui.EGFCoreUIPlugin; | |
import org.eclipse.egf.core.ui.contributor.EditorMenuContributor; | |
import org.eclipse.egf.core.ui.contributor.IMenuEditorActionBarContributor; | |
import org.eclipse.osgi.util.NLS; | |
/** | |
* @author Xavier Maysonnave | |
* | |
*/ | |
public class EditorMenuContributorProxy { | |
private IConfigurationElement _element; | |
private String _uniqueIdentifier; | |
private int _handleId = -1; | |
private String _class; | |
private Map<IMenuEditorActionBarContributor, EditorMenuContributor> _executables = new HashMap<IMenuEditorActionBarContributor, EditorMenuContributor>(); | |
/** | |
* @return the _uniqueIdentifier | |
*/ | |
public String getUniqueIdentifier() { | |
return _uniqueIdentifier; | |
} | |
/** | |
* @return the _handleId | |
*/ | |
public int getHandleId() { | |
return _handleId; | |
} | |
/** | |
* @return a list of EditorMenuContributor | |
*/ | |
public EditorMenuContributor createEditorMenuContributor(IMenuEditorActionBarContributor parent) { | |
if (parent == null) { | |
return null; | |
} | |
EditorMenuContributor menu = _executables.get(parent); | |
if (menu != null) { | |
return menu; | |
} | |
if (_element.isValid() == false) { | |
return null; | |
} | |
try { | |
Object object = _element.createExecutableExtension(EditorMenuContributorRegistry.INVOKER_ATT_CLASS); | |
if (object == null) { | |
return null; | |
} | |
if (object instanceof EditorMenuContributor == false) { | |
EGFCoreUIPlugin.getDefault().logError(NLS.bind(EGFCommonMessages.Wrong_Class_Message, object.getClass().getName())); | |
EGFCoreUIPlugin.getDefault().logInfo(NLS.bind(EGFCommonMessages.Wrong_Class_Sub_Type_Message, EditorMenuContributor.class.getName()), 1); | |
EGFCoreUIPlugin.getDefault().logInfo(NLS.bind(EGFCommonMessages.Bundle_Message, _element.getContributor().getName()), 1); | |
EGFCoreUIPlugin.getDefault().logInfo(NLS.bind(EGFCommonMessages.Extension_Point_Message, _element.getName()), 1); | |
EGFCoreUIPlugin.getDefault().logInfo(NLS.bind(EGFCommonMessages.Attribute_Message, _class), 1); | |
return null; | |
} | |
menu = (EditorMenuContributor) object; | |
menu.setParentContributor(parent); | |
_executables.put(parent, menu); | |
return menu; | |
} catch (CoreException e) { | |
EGFCoreUIPlugin.getDefault().logError(e); | |
} | |
return null; | |
} | |
/** | |
* Creates a new EditorMenuContributor proxy based on the given configuration element. | |
* Returns the new proxy, or null if the element could not be created. | |
*/ | |
public static EditorMenuContributorProxy createProxy(IConfigurationElement element) { | |
if (element == null || element.isValid() == false) { | |
return null; | |
} | |
// Store identifier | |
IExtension declaringExtension = element.getDeclaringExtension(); | |
String uniqueIdentifier = declaringExtension.getUniqueIdentifier(); | |
int handleId = -1; | |
if (declaringExtension instanceof Handle) { | |
handleId = ((Handle) declaringExtension).getId(); | |
} | |
// see platform:/plugin//org.eclipse.egf.core.ui/schema/editor.menu.contributor.exsd | |
String clazz = element.getAttribute(EditorMenuContributorRegistry.INVOKER_ATT_CLASS); | |
// 'class' attribute is mandatory | |
if (clazz == null || clazz.trim().length() == 0) { | |
return null; | |
} | |
return new EditorMenuContributorProxy(element, clazz, uniqueIdentifier, handleId); | |
} | |
public EditorMenuContributorProxy(IConfigurationElement element, String clazz, String uniqueIdentifier, int handleId) { | |
_element = element; | |
_class = clazz.trim(); | |
if (uniqueIdentifier != null && uniqueIdentifier.trim().length() != 0) { | |
_uniqueIdentifier = uniqueIdentifier.trim(); | |
} | |
_handleId = handleId; | |
} | |
public boolean originatesFrom(IExtension extension) { | |
String id = extension.getUniqueIdentifier(); | |
if (id != null) { | |
return id.equals(_uniqueIdentifier); | |
} | |
if (extension instanceof Handle == false) { | |
return false; | |
} | |
return (_handleId == ((Handle) extension).getId()); | |
} | |
public void disposeEditorMenuContributor(IMenuEditorActionBarContributor parent) { | |
_executables.remove(parent); | |
} | |
public void dispose() { | |
for (Map.Entry<IMenuEditorActionBarContributor, EditorMenuContributor> entry : _executables.entrySet()) { | |
entry.getKey().removeEditorMenuContributors(Collections.singletonList(entry.getValue())); | |
} | |
_executables = null; | |
} | |
} |