plugins/org.eclipse.bpmn2.modeler.core/src/org/eclipse/bpmn2/modeler/core/merrimac/dialogs/FeatureListObjectEditor.java - bpmn2-modeler/org.eclipse.bpmn2-modeler - Git at Google

 /*******************************************************************************
  * Copyright (c) 2011, 2012 Red Hat, Inc.
  *  All rights reserved.
  * This program is 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:
  * Red Hat, Inc. - initial API and implementation
  *
  * @author Bob Brodt
  ******************************************************************************/

 package org.eclipse.bpmn2.modeler.core.merrimac.dialogs;

 import java.util.ArrayList;
 import java.util.Hashtable;
 import java.util.List;

 import org.eclipse.bpmn2.modeler.core.Activator;
 import org.eclipse.bpmn2.modeler.core.IConstants;
 import org.eclipse.bpmn2.modeler.core.adapters.ExtendedPropertiesProvider;
 import org.eclipse.bpmn2.modeler.core.merrimac.clad.AbstractDetailComposite;
 import org.eclipse.bpmn2.modeler.core.utils.ModelUtil;
 import org.eclipse.emf.common.notify.Notification;
 import org.eclipse.emf.common.util.EList;
 import org.eclipse.emf.ecore.EClass;
 import org.eclipse.emf.ecore.EObject;
 import org.eclipse.emf.ecore.EStructuralFeature;
 import org.eclipse.emf.edit.ui.celleditor.FeatureEditorDialog;
 import org.eclipse.emf.transaction.RecordingCommand;
 import org.eclipse.emf.transaction.TransactionalEditingDomain;
 import org.eclipse.jface.preference.IPreferenceStore;
 import org.eclipse.jface.viewers.LabelProvider;
 import org.eclipse.jface.window.Window;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.ControlEvent;
 import org.eclipse.swt.events.ControlListener;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.graphics.Point;
 import org.eclipse.swt.layout.FillLayout;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.swt.widgets.Text;

 /**
  * EObject Reference List Editor.
  * This class implements an EObject reference list editor. The feature must be an EList of EObject references.
  * The list is rendered in a single-line text field with an "Edit" button to the right. Clicking the edit button
  * displays an EMF FeatureEditorDialog, which allows adding, removing and reordering of available object references.
  *
  * @author Bob Brodt
  */
 public class FeatureListObjectEditor extends MultivalueObjectEditor {

 	Text text;
 	List<EObject> references;
 	Composite buttons;
 	Button editButton;
 	protected IPreferenceStore preferenceStore = Activator.getDefault().getPreferenceStore();

 	private class ListLabelProvider extends LabelProvider {

 		@Override
 		public Image getImage(Object element) {
 			return super.getImage(element);
 		}

 		@Override
 		public String getText(Object element) {
 			return ModelUtil.getTextValue(element);
 		}
 	}

 	/**
 	 * @param parent
 	 * @param object
 	 * @param feature
 	 */
 	public FeatureListObjectEditor(AbstractDetailComposite parent, EObject object, EStructuralFeature feature) {
 		super(parent, object, feature, (EClass)feature.getEType());
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.bpmn2.modeler.ui.property.editors.ObjectEditor#createControl(org.eclipse.swt.widgets.Composite, java.lang.String, int)
 	 */
 	@Override
 	protected Control createControl(Composite composite, String label, int style) {
 		createLabel(composite, label);

 		text = getToolkit().createText(composite, ""); //$NON-NLS-1$
 		text.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
 		setEditable(false);

 		references = getValue();
 		updateTextField();

 		boolean canEdit = canEdit();
 		boolean canCreateNew = canCreateNew();

 		if (canEdit || canCreateNew) {
 			buttons =  getToolkit().createComposite(composite);
 			buttons.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 1, 1));
 			buttons.setLayout(new FillLayout(SWT.HORIZONTAL));

 			if (canCreateNew) {
 				// TODO: this isn't working yet.
 				Button createButton = getToolkit().createButton(buttons, null, SWT.PUSH);
 				createButton.setImage( Activator.getDefault().getImage(IConstants.ICON_ADD_20));
 				createButton.addSelectionListener(new SelectionAdapter() {
 					public void widgetSelected(SelectionEvent e) {
 						// create a new target object
 						FeatureEditingDialog dialog = createFeatureEditingDialog(null);
 						if ( dialog.open() == Window.OK) {
 							updateEObject(dialog.getNewObject());
 							updateTextField();
 						}
 					}
 				});
 			}
 			if (canEdit) {
 				editButton = getToolkit().createButton(buttons, null, SWT.PUSH);
 				editButton.setImage( Activator.getDefault().getImage(IConstants.ICON_EDIT_20));

 				editButton.addSelectionListener(new SelectionAdapter() {
 					public void widgetSelected(SelectionEvent e) {
 						Hashtable<String,Object> choices = getChoiceOfValues(object,feature);
 						List values = new ArrayList();
 						values.addAll(choices.values());

 						FeatureEditorDialog featureEditorDialog = new FeatureEditorDialog(parent.getShell(),
 								new ListLabelProvider(), object, feature, Messages.FeatureListObjectEditor_Title, values) {

 							protected Control createContents(Composite parent) {
 								Composite control = (Composite)super.createContents(parent);
 								setDialogSize(control);
 								return control;
 							}

 							@Override
 							protected void configureShell(Shell shell) {
 								// TODO Auto-generated method stub
 								super.configureShell(shell);
 							}

 							public void setDialogSize(final Control parent) {
 								final String key = featureEType.getName() + ".list"; //$NON-NLS-1$
 								Point p = getShell().getSize();
 								int width = preferenceStore.getInt("dialog."+key+".width"); //$NON-NLS-1$ //$NON-NLS-2$
 								if (width==0)
 									width = p.x;
 								int height = preferenceStore.getInt("dialog."+key+".height"); //$NON-NLS-1$ //$NON-NLS-2$
 								if (height==0)
 									height = p.y;
 								getShell().setSize(width,height);

 								p = getShell().getLocation();
 								int x = preferenceStore.getInt("dialog."+key+".x"); //$NON-NLS-1$ //$NON-NLS-2$
 								if (x==0)
 									x = p.x;
 								int y = preferenceStore.getInt("dialog."+key+".y"); //$NON-NLS-1$ //$NON-NLS-2$
 								if (y==0)
 									y = p.y;
 								getShell().setLocation(x,y);

 								getShell().addControlListener(new ControlListener() {
 									public void controlMoved(ControlEvent e)
 									{
 										Point p = getShell().getLocation();
 										preferenceStore.setValue("dialog."+key+".x", p.x); //$NON-NLS-1$ //$NON-NLS-2$
 										preferenceStore.setValue("dialog."+key+".y", p.y); //$NON-NLS-1$ //$NON-NLS-2$
 									}

 									public void controlResized(ControlEvent e)
 									{
 										Point p = getShell().getSize();
 										preferenceStore.setValue("dialog."+key+".width", p.x); //$NON-NLS-1$ //$NON-NLS-2$
 										preferenceStore.setValue("dialog."+key+".height", p.y); //$NON-NLS-1$ //$NON-NLS-2$
 									}

 								});

 								if (parent.getLayoutData() instanceof GridData) {
 									GridData data = (GridData)parent.getLayoutData();
 									// TODO: figure out why this dialog insists on resizing its shell
 									// even after we've set the shell bounds.
 									data.widthHint = width - 16;
 									data.heightHint = height - 38;
 								}
 //								getShell().pack();
 							}
 						};

 						if (featureEditorDialog.open() == Window.OK) {
 							updateEObject((EList<EObject>) featureEditorDialog.getResult());
 							updateTextField();
 						}
 					}
 				});
 			}
 		}

 		return text;
 	}

 	private void updateEObject(final EObject result) {
 		TransactionalEditingDomain domain = getDiagramEditor().getEditingDomain();
 		domain.getCommandStack().execute(new RecordingCommand(domain) {
 			@Override
 			protected void doExecute() {
 				if (result == null) {
 					references.clear();
 					return;
 				}
 				if (!references.contains(result)) {
 					references.add(result);
 				}
 			}
 		});
 	}

 	private void updateEObject(final EList<EObject> result) {
 		TransactionalEditingDomain domain = getDiagramEditor().getEditingDomain();
 		domain.getCommandStack().execute(new RecordingCommand(domain) {
 			@Override
 			protected void doExecute() {

 				if (result == null) {
 					references.clear();
 					return;
 				}
 				references.retainAll(result);
 				for (EObject di : result) {
 					if (!references.contains(di)) {
 						references.add(di);
 					}
 				}
 			}
 		});
 	}

 	private void updateTextField() {
 		String listText = ""; //$NON-NLS-1$
 		if (references != null) {
 			for (int i = 0; i < references.size() - 1; i++) {
 				listText += ExtendedPropertiesProvider.getTextValue(references.get(i)) + ", "; //$NON-NLS-1$
 			}
 			if (references.size() > 0) {
 				listText += ExtendedPropertiesProvider.getTextValue(references.get(references.size() - 1));
 			}
 		}

 		if (editButton!=null)
 			editButton.setEnabled(getChoiceOfValues(object,feature).size()>0);

 		text.setText(listText);
 	}

 	@Override
 	public void notifyChanged(Notification notification) {
 		if ( notification.getEventType() == -1 ||
 				(object == notification.getNotifier() && feature == notification.getFeature())) {
 			super.notifyChanged(notification);
 			updateTextField();
 		}
 	}

 	public void setVisible(boolean visible) {
 		super.setVisible(visible);
 		text.setVisible(visible);
 		GridData data = (GridData)text.getLayoutData();
 		data.exclude = !visible;
 		if (buttons!=null) {
 			buttons.setVisible(visible);
 			data = (GridData)buttons.getLayoutData();
 			data.exclude = !visible;
 		}
 	}

 	public void dispose() {
 		super.dispose();
 		if (editButton!=null && !editButton.isDisposed()) {
 			editButton.dispose();
 			editButton = null;
 		}
 		if (text!=null && !text.isDisposed()) {
 			text.dispose();
 			text = null;
 		}
 		if (buttons!=null && !buttons.isDisposed()) {
 			buttons.dispose();
 			buttons = null;
 		}
 	}

 	public Control getControl() {
 		return text;
 	}

 	@Override
 	public List getValue() {
 		Object v = object.eGet(feature);
 		if (v instanceof List) {
 			return (List)v;
 		}
 		return null;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2011, 2012 Red Hat, Inc.
	* All rights reserved.
	* This program is 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:
	* Red Hat, Inc. - initial API and implementation
	*
	* @author Bob Brodt
	******************************************************************************/

	package org.eclipse.bpmn2.modeler.core.merrimac.dialogs;

	import java.util.ArrayList;
	import java.util.Hashtable;
	import java.util.List;

	import org.eclipse.bpmn2.modeler.core.Activator;
	import org.eclipse.bpmn2.modeler.core.IConstants;
	import org.eclipse.bpmn2.modeler.core.adapters.ExtendedPropertiesProvider;
	import org.eclipse.bpmn2.modeler.core.merrimac.clad.AbstractDetailComposite;
	import org.eclipse.bpmn2.modeler.core.utils.ModelUtil;
	import org.eclipse.emf.common.notify.Notification;
	import org.eclipse.emf.common.util.EList;
	import org.eclipse.emf.ecore.EClass;
	import org.eclipse.emf.ecore.EObject;
	import org.eclipse.emf.ecore.EStructuralFeature;
	import org.eclipse.emf.edit.ui.celleditor.FeatureEditorDialog;
	import org.eclipse.emf.transaction.RecordingCommand;
	import org.eclipse.emf.transaction.TransactionalEditingDomain;
	import org.eclipse.jface.preference.IPreferenceStore;
	import org.eclipse.jface.viewers.LabelProvider;
	import org.eclipse.jface.window.Window;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.ControlEvent;
	import org.eclipse.swt.events.ControlListener;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.graphics.Image;
	import org.eclipse.swt.graphics.Point;
	import org.eclipse.swt.layout.FillLayout;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.Shell;
	import org.eclipse.swt.widgets.Text;

	/**
	* EObject Reference List Editor.
	* This class implements an EObject reference list editor. The feature must be an EList of EObject references.
	* The list is rendered in a single-line text field with an "Edit" button to the right. Clicking the edit button
	* displays an EMF FeatureEditorDialog, which allows adding, removing and reordering of available object references.
	*
	* @author Bob Brodt
	*/
	public class FeatureListObjectEditor extends MultivalueObjectEditor {

	Text text;
	List<EObject> references;
	Composite buttons;
	Button editButton;
	protected IPreferenceStore preferenceStore = Activator.getDefault().getPreferenceStore();

	private class ListLabelProvider extends LabelProvider {

	@Override
	public Image getImage(Object element) {
	return super.getImage(element);
	}

	@Override
	public String getText(Object element) {
	return ModelUtil.getTextValue(element);
	}
	}

	/**
	* @param parent
	* @param object
	* @param feature
	*/
	public FeatureListObjectEditor(AbstractDetailComposite parent, EObject object, EStructuralFeature feature) {
	super(parent, object, feature, (EClass)feature.getEType());
	}

	/* (non-Javadoc)
	* @see org.eclipse.bpmn2.modeler.ui.property.editors.ObjectEditor#createControl(org.eclipse.swt.widgets.Composite, java.lang.String, int)
	*/
	@Override
	protected Control createControl(Composite composite, String label, int style) {
	createLabel(composite, label);

	text = getToolkit().createText(composite, ""); //$NON-NLS-1$
	text.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
	setEditable(false);

	references = getValue();
	updateTextField();

	boolean canEdit = canEdit();
	boolean canCreateNew = canCreateNew();

	if (canEdit \|\| canCreateNew) {
	buttons = getToolkit().createComposite(composite);
	buttons.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 1, 1));
	buttons.setLayout(new FillLayout(SWT.HORIZONTAL));

	if (canCreateNew) {
	// TODO: this isn't working yet.
	Button createButton = getToolkit().createButton(buttons, null, SWT.PUSH);
	createButton.setImage( Activator.getDefault().getImage(IConstants.ICON_ADD_20));
	createButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	// create a new target object
	FeatureEditingDialog dialog = createFeatureEditingDialog(null);
	if ( dialog.open() == Window.OK) {
	updateEObject(dialog.getNewObject());
	updateTextField();
	}
	}
	});
	}
	if (canEdit) {
	editButton = getToolkit().createButton(buttons, null, SWT.PUSH);
	editButton.setImage( Activator.getDefault().getImage(IConstants.ICON_EDIT_20));

	editButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	Hashtable<String,Object> choices = getChoiceOfValues(object,feature);
	List values = new ArrayList();
	values.addAll(choices.values());

	FeatureEditorDialog featureEditorDialog = new FeatureEditorDialog(parent.getShell(),
	new ListLabelProvider(), object, feature, Messages.FeatureListObjectEditor_Title, values) {

	protected Control createContents(Composite parent) {
	Composite control = (Composite)super.createContents(parent);
	setDialogSize(control);
	return control;
	}

	@Override
	protected void configureShell(Shell shell) {
	// TODO Auto-generated method stub
	super.configureShell(shell);
	}

	public void setDialogSize(final Control parent) {
	final String key = featureEType.getName() + ".list"; //$NON-NLS-1$
	Point p = getShell().getSize();
	int width = preferenceStore.getInt("dialog."+key+".width"); //$NON-NLS-1$ //$NON-NLS-2$
	if (width==0)
	width = p.x;
	int height = preferenceStore.getInt("dialog."+key+".height"); //$NON-NLS-1$ //$NON-NLS-2$
	if (height==0)
	height = p.y;
	getShell().setSize(width,height);

	p = getShell().getLocation();
	int x = preferenceStore.getInt("dialog."+key+".x"); //$NON-NLS-1$ //$NON-NLS-2$
	if (x==0)
	x = p.x;
	int y = preferenceStore.getInt("dialog."+key+".y"); //$NON-NLS-1$ //$NON-NLS-2$
	if (y==0)
	y = p.y;
	getShell().setLocation(x,y);

	getShell().addControlListener(new ControlListener() {
	public void controlMoved(ControlEvent e)
	{
	Point p = getShell().getLocation();
	preferenceStore.setValue("dialog."+key+".x", p.x); //$NON-NLS-1$ //$NON-NLS-2$
	preferenceStore.setValue("dialog."+key+".y", p.y); //$NON-NLS-1$ //$NON-NLS-2$
	}

	public void controlResized(ControlEvent e)
	{
	Point p = getShell().getSize();
	preferenceStore.setValue("dialog."+key+".width", p.x); //$NON-NLS-1$ //$NON-NLS-2$
	preferenceStore.setValue("dialog."+key+".height", p.y); //$NON-NLS-1$ //$NON-NLS-2$
	}

	});

	if (parent.getLayoutData() instanceof GridData) {
	GridData data = (GridData)parent.getLayoutData();
	// TODO: figure out why this dialog insists on resizing its shell
	// even after we've set the shell bounds.
	data.widthHint = width - 16;
	data.heightHint = height - 38;
	}
	// getShell().pack();
	}
	};

	if (featureEditorDialog.open() == Window.OK) {
	updateEObject((EList<EObject>) featureEditorDialog.getResult());
	updateTextField();
	}
	}
	});
	}
	}

	return text;
	}

	private void updateEObject(final EObject result) {
	TransactionalEditingDomain domain = getDiagramEditor().getEditingDomain();
	domain.getCommandStack().execute(new RecordingCommand(domain) {
	@Override
	protected void doExecute() {
	if (result == null) {
	references.clear();
	return;
	}
	if (!references.contains(result)) {
	references.add(result);
	}
	}
	});
	}

	private void updateEObject(final EList<EObject> result) {
	TransactionalEditingDomain domain = getDiagramEditor().getEditingDomain();
	domain.getCommandStack().execute(new RecordingCommand(domain) {
	@Override
	protected void doExecute() {

	if (result == null) {
	references.clear();
	return;
	}
	references.retainAll(result);
	for (EObject di : result) {
	if (!references.contains(di)) {
	references.add(di);
	}
	}
	}
	});
	}

	private void updateTextField() {
	String listText = ""; //$NON-NLS-1$
	if (references != null) {
	for (int i = 0; i < references.size() - 1; i++) {
	listText += ExtendedPropertiesProvider.getTextValue(references.get(i)) + ", "; //$NON-NLS-1$
	}
	if (references.size() > 0) {
	listText += ExtendedPropertiesProvider.getTextValue(references.get(references.size() - 1));
	}
	}

	if (editButton!=null)
	editButton.setEnabled(getChoiceOfValues(object,feature).size()>0);

	text.setText(listText);
	}

	@Override
	public void notifyChanged(Notification notification) {
	if ( notification.getEventType() == -1 \|\|
	(object == notification.getNotifier() && feature == notification.getFeature())) {
	super.notifyChanged(notification);
	updateTextField();
	}
	}

	public void setVisible(boolean visible) {
	super.setVisible(visible);
	text.setVisible(visible);
	GridData data = (GridData)text.getLayoutData();
	data.exclude = !visible;
	if (buttons!=null) {
	buttons.setVisible(visible);
	data = (GridData)buttons.getLayoutData();
	data.exclude = !visible;
	}
	}

	public void dispose() {
	super.dispose();
	if (editButton!=null && !editButton.isDisposed()) {
	editButton.dispose();
	editButton = null;
	}
	if (text!=null && !text.isDisposed()) {
	text.dispose();
	text = null;
	}
	if (buttons!=null && !buttons.isDisposed()) {
	buttons.dispose();
	buttons = null;
	}
	}

	public Control getControl() {
	return text;
	}

	@Override
	public List getValue() {
	Object v = object.eGet(feature);
	if (v instanceof List) {
	return (List)v;
	}
	return null;
	}
	}