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/*****************************************************************************
* Copyright (c) 2009 Atos Origin.
*
*
* 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
*
* Contributors:
* Alexia Allanic (Atos Origin) alexia.allanic@atosorigin.com - LayoutToolExtensionPointManager Implementation
*
*****************************************************************************/
package org.eclipse.papyrus.layout;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.InvalidRegistryObjectException;
import org.eclipse.core.runtime.Platform;
import org.eclipse.papyrus.layout.utils.Constants;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.PlatformUI;
/**
* The Class LayoutToolExtensionPointManager.
*/
public class LayoutToolExtensionPointManager {
/** The instance. */
private static LayoutToolExtensionPointManager instance = new LayoutToolExtensionPointManager();
/** The configuration elements layout tools. */
private IConfigurationElement[] configurationElementsLayoutTools = Platform.getExtensionRegistry()
.getConfigurationElementsFor(Constants.EXTENSION_POINT_ID);
/**
* Instantiates a new layout tool extension point manager.
*/
private LayoutToolExtensionPointManager() {
}
/**
* Gets the single instance of LayoutToolExtensionPointManager.
*
* @return single instance of LayoutToolExtensionPointManager
*/
public static LayoutToolExtensionPointManager getInstance() {
return instance;
}
/**
* Gets the layout area creator.
*
* @return layout area creator
*/
public LayoutToolAreaInterface getLayoutAreaCreator() {
try {
for (IConfigurationElement e : configurationElementsLayoutTools) {
Class<?> o;
LayouttoolInterface interfaceL = (LayouttoolInterface) Platform.getBundle(e.getContributor().getName())
.loadClass(e.getAttribute(Constants.EXTENSION_INTERFACE)).newInstance();
o = interfaceL.getEditorClass();
IWorkbenchPart activeEditor = getActiveEditor();
if (activeEditor != null) {
if (o.isAssignableFrom(activeEditor.getClass())) {
if (e.getAttribute(Constants.EXTENSION_INTERFACE_LAYOUT_AREA) != null) {
return (LayoutToolAreaInterface) e
.createExecutableExtension(Constants.EXTENSION_INTERFACE_LAYOUT_AREA);
}
}
}
}
} catch (InvalidRegistryObjectException e1) {
Activator.getDefault().log(e1.getMessage(), e1);
} catch (CoreException e) {
Activator.getDefault().log(e.getMessage(), e);
} catch (InstantiationException e) {
Activator.getDefault().log(e.getMessage(), e);
} catch (IllegalAccessException e) {
Activator.getDefault().log(e.getMessage(), e);
} catch (ClassNotFoundException e) {
Activator.getDefault().log(e.getMessage(), e);
}
return null;
}
/**
* Gets the sub editor.
*
* @param part
* the part
*
* @return subEditor class
*/
public LayouttoolInterface getSubEditor(IWorkbenchPart part) {
try {
for (IConfigurationElement e : configurationElementsLayoutTools) {
Class<?> o;
LayouttoolInterface interfaceL = (LayouttoolInterface) Platform.getBundle(e.getContributor().getName())
.loadClass(e.getAttribute(Constants.EXTENSION_INTERFACE)).newInstance();
o = interfaceL.getEditorClass();
IWorkbenchPart activeEditor = null;
if (part != null) {
activeEditor = part;
} else {
activeEditor = getActiveEditor();
}
if (activeEditor != null) {
if (o.isAssignableFrom(activeEditor.getClass())) {
return (LayouttoolInterface) e.createExecutableExtension(Constants.EXTENSION_INTERFACE);
}
}
}
} catch (InvalidRegistryObjectException e1) {
e1.printStackTrace();
} catch (CoreException e) {
e.printStackTrace();
} catch (InstantiationException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
return null;
}
/**
* Gets the sub editor.
*
* @return subEditor class
*/
public LayouttoolInterface getSubEditor() {
return getSubEditor(null);
}
/**
* Gets the active editor.
*
* @return active editor
*/
public IEditorPart getActiveEditor() {
IEditorPart editor = null;
if (PlatformUI.getWorkbench() != null) {
if (PlatformUI.getWorkbench().getActiveWorkbenchWindow() != null) {
if (PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage() != null) {
if (PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActiveEditor() != null) {
editor = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActiveEditor();
}
}
}
}
return editor;
}
}
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