bundles/ease/org.eclipse.ease.modules.modeling.ui/src/org/eclipse/ease/modules/modeling/ui/views/ModelRefactoringView.java - papyrus/org.eclipse.papyrus-ease - Git at Google

 /*******************************************************************************
  * Copyright (c) 2015 CNES and others.
  * All rights reserved. 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-2.0/
  *
  * SPDX-License_Identifier: EPL-2.0
  *
  * Contributors:
  *     JF Rolland (Atos) - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ease.modules.modeling.ui.views;

 import java.util.Collection;
 import java.util.LinkedList;
 import java.util.List;

 import org.eclipse.core.resources.IFile;
 import org.eclipse.core.resources.IMarker;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IAdaptable;
 import org.eclipse.ease.modules.modeling.ui.Activator;
 import org.eclipse.ease.modules.modeling.ui.MatcherRegistry;
 import org.eclipse.ease.modules.modeling.ui.Messages;
 import org.eclipse.ease.modules.modeling.ui.exceptions.MatcherException;
 import org.eclipse.ease.modules.modeling.ui.matchers.IMatcher;
 import org.eclipse.ease.modules.modeling.ui.utils.SelectionUtils;
 import org.eclipse.emf.common.ui.viewer.IViewerProvider;
 import org.eclipse.emf.ecore.EObject;
 import org.eclipse.emf.ecore.EValidator;
 import org.eclipse.emf.ecore.resource.Resource;
 import org.eclipse.emf.ecore.util.EcoreUtil;
 import org.eclipse.emf.edit.domain.IEditingDomainProvider;
 import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
 import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider;
 import org.eclipse.emf.workspace.util.WorkspaceSynchronizer;
 import org.eclipse.jface.dialogs.IMessageProvider;
 import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.jface.viewers.ArrayContentProvider;
 import org.eclipse.jface.viewers.ComboViewer;
 import org.eclipse.jface.viewers.DoubleClickEvent;
 import org.eclipse.jface.viewers.IDoubleClickListener;
 import org.eclipse.jface.viewers.ILabelProviderListener;
 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.jface.viewers.ISelectionChangedListener;
 import org.eclipse.jface.viewers.ISelectionProvider;
 import org.eclipse.jface.viewers.IStructuredContentProvider;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.viewers.ITableLabelProvider;
 import org.eclipse.jface.viewers.LabelProvider;
 import org.eclipse.jface.viewers.SelectionChangedEvent;
 import org.eclipse.jface.viewers.StructuredViewer;
 import org.eclipse.jface.viewers.TableViewer;
 import org.eclipse.jface.viewers.TableViewerColumn;
 import org.eclipse.jface.viewers.TreePath;
 import org.eclipse.jface.viewers.TreeSelection;
 import org.eclipse.jface.viewers.Viewer;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.KeyEvent;
 import org.eclipse.swt.events.KeyListener;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.TabFolder;
 import org.eclipse.swt.widgets.TabItem;
 import org.eclipse.swt.widgets.Table;
 import org.eclipse.swt.widgets.TableColumn;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.ui.ISelectionListener;
 import org.eclipse.ui.ISelectionService;
 import org.eclipse.ui.IWorkbenchPage;
 import org.eclipse.ui.IWorkbenchPart;
 import org.eclipse.ui.IWorkbenchWindow;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.forms.widgets.Form;
 import org.eclipse.ui.forms.widgets.FormToolkit;
 import org.eclipse.ui.ide.IGotoMarker;
 import org.eclipse.ui.part.ViewPart;
 import org.eclipse.ui.plugin.AbstractUIPlugin;

 import com.google.common.collect.Lists;

 public class ModelRefactoringView extends ViewPart implements ISelectionListener {

 	/**
 	 *
 	 */
 	private static final String ICONS_START_TASK_1_GIF = "icons/start_task-1.gif";
 	/**
 	 *
 	 */
 	private static final String ICONS_DELETE_OBJ_GIF = "icons/delete_obj.gif";
 	/**
 	 * The ID of the view as specified by the extension.
 	 */
 	public static final String ID = "org.eclipse.ease.modules.modeling.ui.view"; //$NON-NLS-1$
 	private final FormToolkit formToolkit = new FormToolkit(Display.getDefault());
 	List<StructuredViewer> viewers = new LinkedList<StructuredViewer>();
 	ComposedAdapterFactory factory = new ComposedAdapterFactory(ComposedAdapterFactory.Descriptor.Registry.INSTANCE);
 	private Text text;
 	private Form frmNavigation;
 	private Text selectionId;
 	private Table table_Search;
 	private TableViewer tableViewer_Search;
 	private ComboViewer comboViewer;

 	/**
 	 * The constructor.
 	 */
 	public ModelRefactoringView() {
 	}

 	@Override
 	public void dispose() {
 		ISelectionService service = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getSelectionService();
 		service.removeSelectionListener(this);
 		super.dispose();
 	}

 	protected boolean gotoInEditor(IEditingDomainProvider editor, EObject e) throws MatcherException {
 		if (editor == null) {
 			return false;
 		}
 		if (e != null) {
 			if (editor instanceof IViewerProvider) {
 				IViewerProvider provider = (IViewerProvider) editor;
 				provider.getViewer().setSelection(new TreeSelection(getTreePath(e)), true);
 				return true;
 			} else if (editor instanceof IGotoMarker) {
 				IGotoMarker gotoMarker = (IGotoMarker) editor;
 				EObject root = SelectionUtils.getSelection(editor);
 				Resource r = root.eResource();
 				IFile f = WorkspaceSynchronizer.getFile(r);
 				IMarker marker = null;
 				try {
 					marker = f.createMarker(EValidator.MARKER);
 					marker.setAttribute(EValidator.URI_ATTRIBUTE, EcoreUtil.getURI(e).toString());
 					marker.setAttribute(IMarker.MESSAGE, ""); //$NON-NLS-1$
 					marker.setAttribute(IMarker.SEVERITY, IMarker.SEVERITY_INFO);
 					gotoMarker.gotoMarker(marker);
 				} catch (CoreException e1) {
 					e1.printStackTrace();
 				} finally {
 					if (marker != null) {
 						try {
 							marker.delete();
 						} catch (CoreException e1) {
 						}
 					}
 				}

 			}
 		}
 		return false;
 	}

 	private TreePath getTreePath(EObject e) {
 		LinkedList<Object> result = new LinkedList<Object>();
 		while (e != null) {
 			result.addFirst(e);
 			e = e.eContainer();
 		}
 		return new TreePath(result.toArray());
 	}

 	protected IEditingDomainProvider getCurrentEditor() {
 		IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
 		if (window != null) {
 			IWorkbenchPage activePage = window.getActivePage();
 			if (activePage != null) {
 				if (activePage.getActiveEditor() instanceof IEditingDomainProvider) {
 					IEditingDomainProvider editor = (IEditingDomainProvider) activePage.getActiveEditor();
 					return editor;
 				}
 			}
 		}
 		return null;
 	}

 	protected void handleGoto() {
 		String theText = text.getText();
 		frmNavigation.setMessage(null);
 		ISelection selec = comboViewer.getSelection();
 		if (selec instanceof IStructuredSelection) {
 			IStructuredSelection structured = (IStructuredSelection) selec;
 			if (structured.getFirstElement() instanceof IMatcher) {
 				IMatcher matcher = (IMatcher) structured.getFirstElement();
 				Collection<EObject> toUse;
 				try {
 					toUse = matcher.getElements(theText, getCurrentEditor());
 					toUse.remove(null);
 					if (toUse.isEmpty()) {
 						if (frmNavigation.getMessage() == null) {
 							frmNavigation.setMessage(Messages.ModelRefactoringView_NO_ELEMENTS, IMessageProvider.WARNING);
 						}
 					}
 					tableViewer_Search.setInput(toUse);
 					frmNavigation.setMessage(toUse.size() + Messages.ModelRefactoringView_NB_ELEMENTS_FOUND, IMessageProvider.INFORMATION);
 				} catch (MatcherException e) {
 					frmNavigation.setMessage(e.getMessage(), IMessageProvider.ERROR);
 					e.printStackTrace();
 				}

 			}
 		}

 	}

 	private Image getFromRegistry(String key, ImageDescriptor desc) {
 		Image i = Activator.getDefault().getImageRegistry().get(key);
 		if (i == null) {
 			Activator.getDefault().getImageRegistry().put(key, desc);
 			i = Activator.getDefault().getImageRegistry().get(key);
 		}
 		return i;
 	}

 	/**
 	 * This is a callback that will allow us to create the viewer and initialize it.
 	 */
 	@Override
 	public void createPartControl(Composite parent) {
 		ISelectionService service = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getSelectionService();
 		service.addSelectionListener(this);
 		frmNavigation = formToolkit.createForm(parent);
 		formToolkit.paintBordersFor(frmNavigation);
 		frmNavigation.setText(Messages.ModelRefactoringView_NAVIGATION);
 		frmNavigation.getBody().setLayout(new GridLayout(1, false));

 		TabFolder tabFolder = new TabFolder(frmNavigation.getBody(), SWT.NONE);
 		tabFolder.setBackground(Display.getDefault().getSystemColor(SWT.COLOR_WHITE));
 		tabFolder.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
 		formToolkit.adapt(tabFolder);
 		formToolkit.paintBordersFor(tabFolder);

 		TabItem tbtmSearch = new TabItem(tabFolder, SWT.NONE);
 		tbtmSearch.setText(Messages.ModelRefactoringView_SEARCH);

 		Composite composite_2 = formToolkit.createComposite(tabFolder, SWT.NONE);
 		tbtmSearch.setControl(composite_2);
 		formToolkit.paintBordersFor(composite_2);
 		composite_2.setLayout(new GridLayout(4, false));

 		Label lblSelectionId = new Label(composite_2, SWT.NONE);
 		lblSelectionId.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
 		formToolkit.adapt(lblSelectionId, true, true);
 		lblSelectionId.setText(Messages.ModelRefactoringView_SELECTION_ID);

 		selectionId = new Text(composite_2, SWT.BORDER);
 		selectionId.setEditable(false);
 		selectionId.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 3, 1));
 		formToolkit.adapt(selectionId, true, true);

 		comboViewer = new ComboViewer(composite_2, SWT.READ_ONLY);
 		comboViewer.setLabelProvider(new LabelProvider() {
 			@Override
 			public String getText(Object element) {
 				return ((IMatcher) element).getText();
 			}
 		});
 		comboViewer.addSelectionChangedListener(new ISelectionChangedListener() {

 			@Override
 			public void selectionChanged(SelectionChangedEvent event) {
 				if (event.getSelection() instanceof IStructuredSelection) {
 					IStructuredSelection selec = (IStructuredSelection) event.getSelection();
 					if (selec.getFirstElement() instanceof IMatcher) {
 						final IMatcher matcher = (IMatcher) selec.getFirstElement();
 						Display.getDefault().syncExec(new Runnable() {

 							@Override
 							public void run() {
 								text.setToolTipText(matcher.getHelp());
 							}
 						});
 					}
 				}
 			}
 		});
 		comboViewer.setContentProvider(ArrayContentProvider.getInstance());
 		comboViewer.setInput(MatcherRegistry.getMatchers());
 		comboViewer.getCombo().setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));
 		formToolkit.adapt(comboViewer.getCombo(), true, true);

 		Button btnGo = new Button(composite_2, SWT.NONE);
 		btnGo.setImage(getFromRegistry(ICONS_START_TASK_1_GIF,
 				AbstractUIPlugin.imageDescriptorFromPlugin("org.eclipse.ease.modules.modeling.ui", ICONS_START_TASK_1_GIF)));
 		btnGo.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				handleGoto();
 			}

 		});
 		formToolkit.adapt(btnGo, true, true);
 		Button btnDel = new Button(composite_2, SWT.NONE);
 		btnDel.setImage(getFromRegistry(ICONS_DELETE_OBJ_GIF,
 				AbstractUIPlugin.imageDescriptorFromPlugin("org.eclipse.ease.modules.modeling.ui", ICONS_DELETE_OBJ_GIF)));
 		btnDel.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				clearResult();
 			}

 		});
 		formToolkit.adapt(btnDel, true, true);

 		text = new Text(composite_2, SWT.BORDER);
 		text.addKeyListener(new KeyListener() {

 			@Override
 			public void keyPressed(KeyEvent e) {
 			}

 			@Override
 			public void keyReleased(KeyEvent e) {
 				if ((e.keyCode == SWT.KEYPAD_CR || e.keyCode == SWT.CR)) {
 					handleGoto();
 				}
 			}

 		});
 		text.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 4, 1));
 		formToolkit.adapt(text, true, true);

 		tableViewer_Search = new TableViewer(composite_2, SWT.BORDER | SWT.MULTI | SWT.VIRTUAL);
 		tableViewer_Search.addDoubleClickListener(new IDoubleClickListener() {
 			@Override
 			public void doubleClick(DoubleClickEvent event) {
 				if (event.getSelection() instanceof IStructuredSelection) {
 					IStructuredSelection structured = (IStructuredSelection) event.getSelection();
 					if (structured.getFirstElement() instanceof EObject) {
 						EObject eo = (EObject) structured.getFirstElement();
 						try {
 							gotoInEditor(getCurrentEditor(), eo);
 						} catch (MatcherException e) {
 							e.printStackTrace();
 						}
 					}
 				}

 			}
 		});
 		table_Search = tableViewer_Search.getTable();
 		table_Search.setHeaderVisible(true);
 		table_Search.setLinesVisible(true);
 		table_Search.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 4, 1));
 		formToolkit.paintBordersFor(table_Search);

 		TableViewerColumn tableViewerColumn_5 = new TableViewerColumn(tableViewer_Search, SWT.NONE);
 		TableColumn tblclmnElement_1 = tableViewerColumn_5.getColumn();
 		tblclmnElement_1.setWidth(100);
 		tblclmnElement_1.setText(Messages.ModelRefactoringView_ELEMENT);

 		TableViewerColumn tableViewerColumn_6 = new TableViewerColumn(tableViewer_Search, SWT.NONE);
 		TableColumn tblclmnPath = tableViewerColumn_6.getColumn();
 		tblclmnPath.setWidth(229);
 		tblclmnPath.setText(Messages.ModelRefactoringView_PATH);

 		tableViewer_Search.setContentProvider(ArrayContentProvider.getInstance());
 		tableViewer_Search.setLabelProvider(new DefaultTableLabelProvider() {
 			@Override
 			public Image getColumnImage(Object element, int columnIndex) {
 				switch (columnIndex) {
 				case 0:
 					return p.getImage(element);
 				}
 				return super.getColumnImage(element, columnIndex);
 			}

 			@Override
 			public String getColumnText(Object element, int columnIndex) {
 				switch (columnIndex) {
 				case 0:
 					return p.getText(element);
 				case 1:
 					if (element instanceof EObject) {
 						EObject e = ((EObject) element).eContainer();
 						StringBuilder result = new StringBuilder();
 						while (e != null) {
 							result = new StringBuilder(p.getText(e)).append("\\").append(result); //$NON-NLS-1$
 							e = e.eContainer();
 						}
 						return result.toString();
 					}
 				}
 				return super.getColumnText(element, columnIndex);
 			}
 		});
 		getSite().setSelectionProvider(new ISelectionProvider() {

 			@Override
 			public void setSelection(ISelection selection) {
 				tableViewer_Search.setSelection(selection);
 			}

 			@Override
 			public void removeSelectionChangedListener(ISelectionChangedListener listener) {
 				tableViewer_Search.removeSelectionChangedListener(listener);
 			}

 			@Override
 			public ISelection getSelection() {
 				return tableViewer_Search.getSelection();
 			}

 			@Override
 			public void addSelectionChangedListener(ISelectionChangedListener listener) {
 				tableViewer_Search.addSelectionChangedListener(listener);
 			}
 		});
 	}

 	protected void clearResult() {
 		frmNavigation.setMessage(null);
 		tableViewer_Search.setInput(Lists.newArrayList());
 	}

 	/**
 	 * Passing the focus request to the viewer's control.
 	 */
 	@Override
 	public void setFocus() {
 		tableViewer_Search.getControl().setFocus();
 	}

 	public ISelection getSelection() {
 		return tableViewer_Search.getSelection();
 	}

 	@Override
 	public void selectionChanged(IWorkbenchPart part, ISelection selection) {
 		frmNavigation.setMessage(null);
 		if (part != this) {
 			if (selection instanceof IStructuredSelection) {
 				IStructuredSelection structured = (IStructuredSelection) selection;
 				if (structured.getFirstElement() instanceof EObject) {
 					EObject eobject = (EObject) structured.getFirstElement();
 					handleSelectionCHanged(eobject);
 				} else if (structured.getFirstElement() instanceof IAdaptable) {
 					IAdaptable iadaptable = (IAdaptable) structured.getFirstElement();
 					EObject eobject = (EObject) iadaptable.getAdapter(EObject.class);
 					if (eobject != null) {
 						handleSelectionCHanged(eobject);
 					}
 				}
 			}
 		}
 	}

 	private void handleSelectionCHanged(EObject eobject) {
 		selectionId.setText(eobject.eResource().getURIFragment(eobject).toString());
 		for (StructuredViewer v : viewers) {
 			v.setInput(eobject);
 		}
 	}

 	public class DefaultContentProvider implements IStructuredContentProvider {

 		@Override
 		public void dispose() {
 		}

 		@Override
 		public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
 		}

 		@Override
 		public Object[] getElements(Object inputElement) {
 			return null;
 		}

 	}

 	public class DefaultTableLabelProvider implements ITableLabelProvider {
 		protected AdapterFactoryLabelProvider p = new AdapterFactoryLabelProvider(factory);

 		@Override
 		public void addListener(ILabelProviderListener listener) {
 		}

 		@Override
 		public void dispose() {
 		}

 		@Override
 		public boolean isLabelProperty(Object element, String property) {
 			return true;
 		}

 		@Override
 		public void removeListener(ILabelProviderListener listener) {
 		}

 		@Override
 		public Image getColumnImage(Object element, int columnIndex) {
 			if (columnIndex == 0) {
 				return p.getImage(element);
 			}
 			return null;
 		}

 		@Override
 		public String getColumnText(Object element, int columnIndex) {
 			if (columnIndex == 0) {
 				return p.getText(element);
 			}
 			return ""; //$NON-NLS-1$
 		}
 	}

 	public void setSelectionProvider() {
 		getSite().setSelectionProvider(tableViewer_Search);
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2015 CNES and others.
	* All rights reserved. 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-2.0/
	*
	* SPDX-License_Identifier: EPL-2.0
	*
	* Contributors:
	* JF Rolland (Atos) - initial API and implementation
	*******************************************************************************/
	package org.eclipse.ease.modules.modeling.ui.views;

	import java.util.Collection;
	import java.util.LinkedList;
	import java.util.List;

	import org.eclipse.core.resources.IFile;
	import org.eclipse.core.resources.IMarker;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.IAdaptable;
	import org.eclipse.ease.modules.modeling.ui.Activator;
	import org.eclipse.ease.modules.modeling.ui.MatcherRegistry;
	import org.eclipse.ease.modules.modeling.ui.Messages;
	import org.eclipse.ease.modules.modeling.ui.exceptions.MatcherException;
	import org.eclipse.ease.modules.modeling.ui.matchers.IMatcher;
	import org.eclipse.ease.modules.modeling.ui.utils.SelectionUtils;
	import org.eclipse.emf.common.ui.viewer.IViewerProvider;
	import org.eclipse.emf.ecore.EObject;
	import org.eclipse.emf.ecore.EValidator;
	import org.eclipse.emf.ecore.resource.Resource;
	import org.eclipse.emf.ecore.util.EcoreUtil;
	import org.eclipse.emf.edit.domain.IEditingDomainProvider;
	import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
	import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider;
	import org.eclipse.emf.workspace.util.WorkspaceSynchronizer;
	import org.eclipse.jface.dialogs.IMessageProvider;
	import org.eclipse.jface.resource.ImageDescriptor;
	import org.eclipse.jface.viewers.ArrayContentProvider;
	import org.eclipse.jface.viewers.ComboViewer;
	import org.eclipse.jface.viewers.DoubleClickEvent;
	import org.eclipse.jface.viewers.IDoubleClickListener;
	import org.eclipse.jface.viewers.ILabelProviderListener;
	import org.eclipse.jface.viewers.ISelection;
	import org.eclipse.jface.viewers.ISelectionChangedListener;
	import org.eclipse.jface.viewers.ISelectionProvider;
	import org.eclipse.jface.viewers.IStructuredContentProvider;
	import org.eclipse.jface.viewers.IStructuredSelection;
	import org.eclipse.jface.viewers.ITableLabelProvider;
	import org.eclipse.jface.viewers.LabelProvider;
	import org.eclipse.jface.viewers.SelectionChangedEvent;
	import org.eclipse.jface.viewers.StructuredViewer;
	import org.eclipse.jface.viewers.TableViewer;
	import org.eclipse.jface.viewers.TableViewerColumn;
	import org.eclipse.jface.viewers.TreePath;
	import org.eclipse.jface.viewers.TreeSelection;
	import org.eclipse.jface.viewers.Viewer;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.KeyEvent;
	import org.eclipse.swt.events.KeyListener;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.graphics.Image;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Display;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.TabFolder;
	import org.eclipse.swt.widgets.TabItem;
	import org.eclipse.swt.widgets.Table;
	import org.eclipse.swt.widgets.TableColumn;
	import org.eclipse.swt.widgets.Text;
	import org.eclipse.ui.ISelectionListener;
	import org.eclipse.ui.ISelectionService;
	import org.eclipse.ui.IWorkbenchPage;
	import org.eclipse.ui.IWorkbenchPart;
	import org.eclipse.ui.IWorkbenchWindow;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.ui.forms.widgets.Form;
	import org.eclipse.ui.forms.widgets.FormToolkit;
	import org.eclipse.ui.ide.IGotoMarker;
	import org.eclipse.ui.part.ViewPart;
	import org.eclipse.ui.plugin.AbstractUIPlugin;

	import com.google.common.collect.Lists;

	public class ModelRefactoringView extends ViewPart implements ISelectionListener {

	/**
	*
	*/
	private static final String ICONS_START_TASK_1_GIF = "icons/start_task-1.gif";
	/**
	*
	*/
	private static final String ICONS_DELETE_OBJ_GIF = "icons/delete_obj.gif";
	/**
	* The ID of the view as specified by the extension.
	*/
	public static final String ID = "org.eclipse.ease.modules.modeling.ui.view"; //$NON-NLS-1$
	private final FormToolkit formToolkit = new FormToolkit(Display.getDefault());
	List<StructuredViewer> viewers = new LinkedList<StructuredViewer>();
	ComposedAdapterFactory factory = new ComposedAdapterFactory(ComposedAdapterFactory.Descriptor.Registry.INSTANCE);
	private Text text;
	private Form frmNavigation;
	private Text selectionId;
	private Table table_Search;
	private TableViewer tableViewer_Search;
	private ComboViewer comboViewer;

	/**
	* The constructor.
	*/
	public ModelRefactoringView() {
	}

	@Override
	public void dispose() {
	ISelectionService service = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getSelectionService();
	service.removeSelectionListener(this);
	super.dispose();
	}

	protected boolean gotoInEditor(IEditingDomainProvider editor, EObject e) throws MatcherException {
	if (editor == null) {
	return false;
	}
	if (e != null) {
	if (editor instanceof IViewerProvider) {
	IViewerProvider provider = (IViewerProvider) editor;
	provider.getViewer().setSelection(new TreeSelection(getTreePath(e)), true);
	return true;
	} else if (editor instanceof IGotoMarker) {
	IGotoMarker gotoMarker = (IGotoMarker) editor;
	EObject root = SelectionUtils.getSelection(editor);
	Resource r = root.eResource();
	IFile f = WorkspaceSynchronizer.getFile(r);
	IMarker marker = null;
	try {
	marker = f.createMarker(EValidator.MARKER);
	marker.setAttribute(EValidator.URI_ATTRIBUTE, EcoreUtil.getURI(e).toString());
	marker.setAttribute(IMarker.MESSAGE, ""); //$NON-NLS-1$
	marker.setAttribute(IMarker.SEVERITY, IMarker.SEVERITY_INFO);
	gotoMarker.gotoMarker(marker);
	} catch (CoreException e1) {
	e1.printStackTrace();
	} finally {
	if (marker != null) {
	try {
	marker.delete();
	} catch (CoreException e1) {
	}
	}
	}

	}
	}
	return false;
	}

	private TreePath getTreePath(EObject e) {
	LinkedList<Object> result = new LinkedList<Object>();
	while (e != null) {
	result.addFirst(e);
	e = e.eContainer();
	}
	return new TreePath(result.toArray());
	}

	protected IEditingDomainProvider getCurrentEditor() {
	IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
	if (window != null) {
	IWorkbenchPage activePage = window.getActivePage();
	if (activePage != null) {
	if (activePage.getActiveEditor() instanceof IEditingDomainProvider) {
	IEditingDomainProvider editor = (IEditingDomainProvider) activePage.getActiveEditor();
	return editor;
	}
	}
	}
	return null;
	}

	protected void handleGoto() {
	String theText = text.getText();
	frmNavigation.setMessage(null);
	ISelection selec = comboViewer.getSelection();
	if (selec instanceof IStructuredSelection) {
	IStructuredSelection structured = (IStructuredSelection) selec;
	if (structured.getFirstElement() instanceof IMatcher) {
	IMatcher matcher = (IMatcher) structured.getFirstElement();
	Collection<EObject> toUse;
	try {
	toUse = matcher.getElements(theText, getCurrentEditor());
	toUse.remove(null);
	if (toUse.isEmpty()) {
	if (frmNavigation.getMessage() == null) {
	frmNavigation.setMessage(Messages.ModelRefactoringView_NO_ELEMENTS, IMessageProvider.WARNING);
	}
	}
	tableViewer_Search.setInput(toUse);
	frmNavigation.setMessage(toUse.size() + Messages.ModelRefactoringView_NB_ELEMENTS_FOUND, IMessageProvider.INFORMATION);
	} catch (MatcherException e) {
	frmNavigation.setMessage(e.getMessage(), IMessageProvider.ERROR);
	e.printStackTrace();
	}

	}
	}

	}

	private Image getFromRegistry(String key, ImageDescriptor desc) {
	Image i = Activator.getDefault().getImageRegistry().get(key);
	if (i == null) {
	Activator.getDefault().getImageRegistry().put(key, desc);
	i = Activator.getDefault().getImageRegistry().get(key);
	}
	return i;
	}

	/**
	* This is a callback that will allow us to create the viewer and initialize it.
	*/
	@Override
	public void createPartControl(Composite parent) {
	ISelectionService service = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getSelectionService();
	service.addSelectionListener(this);
	frmNavigation = formToolkit.createForm(parent);
	formToolkit.paintBordersFor(frmNavigation);
	frmNavigation.setText(Messages.ModelRefactoringView_NAVIGATION);
	frmNavigation.getBody().setLayout(new GridLayout(1, false));

	TabFolder tabFolder = new TabFolder(frmNavigation.getBody(), SWT.NONE);
	tabFolder.setBackground(Display.getDefault().getSystemColor(SWT.COLOR_WHITE));
	tabFolder.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
	formToolkit.adapt(tabFolder);
	formToolkit.paintBordersFor(tabFolder);

	TabItem tbtmSearch = new TabItem(tabFolder, SWT.NONE);
	tbtmSearch.setText(Messages.ModelRefactoringView_SEARCH);

	Composite composite_2 = formToolkit.createComposite(tabFolder, SWT.NONE);
	tbtmSearch.setControl(composite_2);
	formToolkit.paintBordersFor(composite_2);
	composite_2.setLayout(new GridLayout(4, false));

	Label lblSelectionId = new Label(composite_2, SWT.NONE);
	lblSelectionId.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
	formToolkit.adapt(lblSelectionId, true, true);
	lblSelectionId.setText(Messages.ModelRefactoringView_SELECTION_ID);

	selectionId = new Text(composite_2, SWT.BORDER);
	selectionId.setEditable(false);
	selectionId.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 3, 1));
	formToolkit.adapt(selectionId, true, true);

	comboViewer = new ComboViewer(composite_2, SWT.READ_ONLY);
	comboViewer.setLabelProvider(new LabelProvider() {
	@Override
	public String getText(Object element) {
	return ((IMatcher) element).getText();
	}
	});
	comboViewer.addSelectionChangedListener(new ISelectionChangedListener() {

	@Override
	public void selectionChanged(SelectionChangedEvent event) {
	if (event.getSelection() instanceof IStructuredSelection) {
	IStructuredSelection selec = (IStructuredSelection) event.getSelection();
	if (selec.getFirstElement() instanceof IMatcher) {
	final IMatcher matcher = (IMatcher) selec.getFirstElement();
	Display.getDefault().syncExec(new Runnable() {

	@Override
	public void run() {
	text.setToolTipText(matcher.getHelp());
	}
	});
	}
	}
	}
	});
	comboViewer.setContentProvider(ArrayContentProvider.getInstance());
	comboViewer.setInput(MatcherRegistry.getMatchers());
	comboViewer.getCombo().setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));
	formToolkit.adapt(comboViewer.getCombo(), true, true);

	Button btnGo = new Button(composite_2, SWT.NONE);
	btnGo.setImage(getFromRegistry(ICONS_START_TASK_1_GIF,
	AbstractUIPlugin.imageDescriptorFromPlugin("org.eclipse.ease.modules.modeling.ui", ICONS_START_TASK_1_GIF)));
	btnGo.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	handleGoto();
	}

	});
	formToolkit.adapt(btnGo, true, true);
	Button btnDel = new Button(composite_2, SWT.NONE);
	btnDel.setImage(getFromRegistry(ICONS_DELETE_OBJ_GIF,
	AbstractUIPlugin.imageDescriptorFromPlugin("org.eclipse.ease.modules.modeling.ui", ICONS_DELETE_OBJ_GIF)));
	btnDel.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	clearResult();
	}

	});
	formToolkit.adapt(btnDel, true, true);

	text = new Text(composite_2, SWT.BORDER);
	text.addKeyListener(new KeyListener() {

	@Override
	public void keyPressed(KeyEvent e) {
	}

	@Override
	public void keyReleased(KeyEvent e) {
	if ((e.keyCode == SWT.KEYPAD_CR \|\| e.keyCode == SWT.CR)) {
	handleGoto();
	}
	}

	});
	text.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 4, 1));
	formToolkit.adapt(text, true, true);

	tableViewer_Search = new TableViewer(composite_2, SWT.BORDER \| SWT.MULTI \| SWT.VIRTUAL);
	tableViewer_Search.addDoubleClickListener(new IDoubleClickListener() {
	@Override
	public void doubleClick(DoubleClickEvent event) {
	if (event.getSelection() instanceof IStructuredSelection) {
	IStructuredSelection structured = (IStructuredSelection) event.getSelection();
	if (structured.getFirstElement() instanceof EObject) {
	EObject eo = (EObject) structured.getFirstElement();
	try {
	gotoInEditor(getCurrentEditor(), eo);
	} catch (MatcherException e) {
	e.printStackTrace();
	}
	}
	}

	}
	});
	table_Search = tableViewer_Search.getTable();
	table_Search.setHeaderVisible(true);
	table_Search.setLinesVisible(true);
	table_Search.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 4, 1));
	formToolkit.paintBordersFor(table_Search);

	TableViewerColumn tableViewerColumn_5 = new TableViewerColumn(tableViewer_Search, SWT.NONE);
	TableColumn tblclmnElement_1 = tableViewerColumn_5.getColumn();
	tblclmnElement_1.setWidth(100);
	tblclmnElement_1.setText(Messages.ModelRefactoringView_ELEMENT);

	TableViewerColumn tableViewerColumn_6 = new TableViewerColumn(tableViewer_Search, SWT.NONE);
	TableColumn tblclmnPath = tableViewerColumn_6.getColumn();
	tblclmnPath.setWidth(229);
	tblclmnPath.setText(Messages.ModelRefactoringView_PATH);

	tableViewer_Search.setContentProvider(ArrayContentProvider.getInstance());
	tableViewer_Search.setLabelProvider(new DefaultTableLabelProvider() {
	@Override
	public Image getColumnImage(Object element, int columnIndex) {
	switch (columnIndex) {
	case 0:
	return p.getImage(element);
	}
	return super.getColumnImage(element, columnIndex);
	}

	@Override
	public String getColumnText(Object element, int columnIndex) {
	switch (columnIndex) {
	case 0:
	return p.getText(element);
	case 1:
	if (element instanceof EObject) {
	EObject e = ((EObject) element).eContainer();
	StringBuilder result = new StringBuilder();
	while (e != null) {
	result = new StringBuilder(p.getText(e)).append("\\").append(result); //$NON-NLS-1$
	e = e.eContainer();
	}
	return result.toString();
	}
	}
	return super.getColumnText(element, columnIndex);
	}
	});
	getSite().setSelectionProvider(new ISelectionProvider() {

	@Override
	public void setSelection(ISelection selection) {
	tableViewer_Search.setSelection(selection);
	}

	@Override
	public void removeSelectionChangedListener(ISelectionChangedListener listener) {
	tableViewer_Search.removeSelectionChangedListener(listener);
	}

	@Override
	public ISelection getSelection() {
	return tableViewer_Search.getSelection();
	}

	@Override
	public void addSelectionChangedListener(ISelectionChangedListener listener) {
	tableViewer_Search.addSelectionChangedListener(listener);
	}
	});
	}

	protected void clearResult() {
	frmNavigation.setMessage(null);
	tableViewer_Search.setInput(Lists.newArrayList());
	}

	/**
	* Passing the focus request to the viewer's control.
	*/
	@Override
	public void setFocus() {
	tableViewer_Search.getControl().setFocus();
	}

	public ISelection getSelection() {
	return tableViewer_Search.getSelection();
	}

	@Override
	public void selectionChanged(IWorkbenchPart part, ISelection selection) {
	frmNavigation.setMessage(null);
	if (part != this) {
	if (selection instanceof IStructuredSelection) {
	IStructuredSelection structured = (IStructuredSelection) selection;
	if (structured.getFirstElement() instanceof EObject) {
	EObject eobject = (EObject) structured.getFirstElement();
	handleSelectionCHanged(eobject);
	} else if (structured.getFirstElement() instanceof IAdaptable) {
	IAdaptable iadaptable = (IAdaptable) structured.getFirstElement();
	EObject eobject = (EObject) iadaptable.getAdapter(EObject.class);
	if (eobject != null) {
	handleSelectionCHanged(eobject);
	}
	}
	}
	}
	}

	private void handleSelectionCHanged(EObject eobject) {
	selectionId.setText(eobject.eResource().getURIFragment(eobject).toString());
	for (StructuredViewer v : viewers) {
	v.setInput(eobject);
	}
	}

	public class DefaultContentProvider implements IStructuredContentProvider {

	@Override
	public void dispose() {
	}

	@Override
	public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
	}

	@Override
	public Object[] getElements(Object inputElement) {
	return null;
	}

	}

	public class DefaultTableLabelProvider implements ITableLabelProvider {
	protected AdapterFactoryLabelProvider p = new AdapterFactoryLabelProvider(factory);

	@Override
	public void addListener(ILabelProviderListener listener) {
	}

	@Override
	public void dispose() {
	}

	@Override
	public boolean isLabelProperty(Object element, String property) {
	return true;
	}

	@Override
	public void removeListener(ILabelProviderListener listener) {
	}

	@Override
	public Image getColumnImage(Object element, int columnIndex) {
	if (columnIndex == 0) {
	return p.getImage(element);
	}
	return null;
	}

	@Override
	public String getColumnText(Object element, int columnIndex) {
	if (columnIndex == 0) {
	return p.getText(element);
	}
	return ""; //$NON-NLS-1$
	}
	}

	public void setSelectionProvider() {
	getSite().setSelectionProvider(tableViewer_Search);
	}
	}