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/*******************************************************************************
* Copyright (c) 2010 BestSolution.at and others.
* 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:
* Tom Schindl <tom.schindl@bestsolution.at> - initial API and implementation
******************************************************************************/
package org.eclipse.e4.tools.emf.ui.internal.common.component;
import java.net.MalformedURLException;
import java.net.URL;
import org.eclipse.core.databinding.observable.list.IObservableList;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.property.value.IValueProperty;
import org.eclipse.e4.tools.emf.ui.common.EStackLayout;
import org.eclipse.e4.tools.emf.ui.common.IModelResource;
import org.eclipse.e4.tools.emf.ui.common.Util;
import org.eclipse.e4.tools.emf.ui.common.component.AbstractComponentEditor;
import org.eclipse.e4.tools.emf.ui.internal.Messages;
import org.eclipse.e4.tools.emf.ui.internal.common.ModelEditor;
import org.eclipse.e4.tools.emf.ui.internal.common.component.dialogs.KeyBindingCommandSelectionDialog;
import org.eclipse.e4.ui.model.application.commands.MCommandsFactory;
import org.eclipse.e4.ui.model.application.commands.MKeyBinding;
import org.eclipse.e4.ui.model.application.commands.MKeySequence;
import org.eclipse.e4.ui.model.application.commands.MParameter;
import org.eclipse.e4.ui.model.application.commands.impl.CommandsPackageImpl;
import org.eclipse.e4.ui.model.application.impl.ApplicationPackageImpl;
import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.databinding.EMFDataBindingContext;
import org.eclipse.emf.databinding.FeaturePath;
import org.eclipse.emf.databinding.edit.EMFEditProperties;
import org.eclipse.emf.databinding.edit.IEMFEditListProperty;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.edit.command.AddCommand;
import org.eclipse.emf.edit.command.RemoveCommand;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.jface.databinding.swt.IWidgetValueProperty;
import org.eclipse.jface.databinding.swt.WidgetProperties;
import org.eclipse.jface.databinding.viewers.ViewerSupport;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.ColumnViewerEditor;
import org.eclipse.jface.viewers.ColumnViewerEditorActivationEvent;
import org.eclipse.jface.viewers.ColumnViewerEditorActivationStrategy;
import org.eclipse.jface.viewers.EditingSupport;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TableViewerColumn;
import org.eclipse.jface.viewers.TableViewerEditor;
import org.eclipse.jface.viewers.TextCellEditor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.MouseEvent;
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.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
public class KeyBindingEditor extends AbstractComponentEditor {
private Composite composite;
private Image image;
private EMFDataBindingContext context;
private IModelResource resource;
private EStackLayout stackLayout;
public KeyBindingEditor(EditingDomain editingDomain, ModelEditor editor, IModelResource resource) {
super(editingDomain, editor);
this.resource = resource;
}
@Override
public Image getImage(Object element, Display display) {
if (image == null) {
try {
image = loadSharedImage(display, new URL("platform:/plugin/org.eclipse.e4.tools.emf.ui/icons/full/modelelements/KeyBinding.gif")); //$NON-NLS-1$
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
return image;
}
@Override
public String getLabel(Object element) {
return Messages.KeyBindingEditor_Label;
}
@Override
public String getDescription(Object element) {
return Messages.KeyBindingEditor_Description;
}
@Override
public Composite getEditor(Composite parent, Object object) {
if (composite == null) {
context = new EMFDataBindingContext();
if (getEditor().isModelFragment()) {
composite = new Composite(parent, SWT.NONE);
stackLayout = new EStackLayout();
composite.setLayout(stackLayout);
createForm(composite, context, getMaster(), false);
createForm(composite, context, getMaster(), true);
} else {
composite = createForm(parent, context, getMaster(), false);
}
}
if (getEditor().isModelFragment()) {
Control topControl;
if (Util.isImport((EObject) object)) {
topControl = composite.getChildren()[1];
} else {
topControl = composite.getChildren()[0];
}
if (stackLayout.topControl != topControl) {
stackLayout.topControl = topControl;
composite.layout(true, true);
}
}
getMaster().setValue(object);
return composite;
}
private Composite createForm(Composite parent, EMFDataBindingContext context, IObservableValue master, boolean isImport) {
parent = new Composite(parent, SWT.NONE);
parent.setLayout(new GridLayout(3, false));
IWidgetValueProperty textProp = WidgetProperties.text(SWT.Modify);
if (isImport) {
ControlFactory.createFindImport(parent, this, context);
return parent;
}
// ------------------------------------------------------------
{
Label l = new Label(parent, SWT.NONE);
l.setText(Messages.KeyBindingEditor_Id);
l.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
Text t = new Text(parent, SWT.BORDER);
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
gd.horizontalSpan = 2;
t.setLayoutData(gd);
context.bindValue(textProp.observeDelayed(200, t), EMFEditProperties.value(getEditingDomain(), ApplicationPackageImpl.Literals.APPLICATION_ELEMENT__ELEMENT_ID).observeDetail(getMaster()));
}
// ------------------------------------------------------------
{
Label l = new Label(parent, SWT.NONE);
l.setText(Messages.KeyBindingEditor_Sequence);
l.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
Text t = new Text(parent, SWT.BORDER);
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
gd.horizontalSpan = 2;
t.setLayoutData(gd);
context.bindValue(textProp.observeDelayed(200, t), EMFEditProperties.value(getEditingDomain(), CommandsPackageImpl.Literals.KEY_SEQUENCE__KEY_SEQUENCE).observeDetail(getMaster()));
}
// ------------------------------------------------------------
{
Label l = new Label(parent, SWT.NONE);
l.setText(Messages.KeyBindingEditor_Command);
l.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
Text t = new Text(parent, SWT.BORDER);
t.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
t.setEnabled(false);
context.bindValue(textProp.observeDelayed(200, t), EMFEditProperties.value(getEditingDomain(), FeaturePath.fromList(CommandsPackageImpl.Literals.KEY_BINDING__COMMAND, ApplicationPackageImpl.Literals.APPLICATION_ELEMENT__ELEMENT_ID)).observeDetail(getMaster()));
final Button b = new Button(parent, SWT.PUSH | SWT.FLAT);
b.setText(Messages.KeyBindingEditor_Find);
b.setImage(getImage(b.getDisplay(), SEARCH_IMAGE));
b.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, false, false));
b.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
KeyBindingCommandSelectionDialog dialog = new KeyBindingCommandSelectionDialog(b.getShell(), (MKeyBinding) getMaster().getValue(), resource);
dialog.open();
}
});
}
Label l = new Label(parent, SWT.NONE);
l.setText(Messages.KeyBindingEditor_Parameters);
l.setLayoutData(new GridData(GridData.END, GridData.BEGINNING, false, false));
final TableViewer tableviewer = new TableViewer(parent);
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
gd.heightHint = 120;
tableviewer.getTable().setHeaderVisible(true);
tableviewer.getControl().setLayoutData(gd);
IEMFEditListProperty prop = EMFEditProperties.list(getEditingDomain(), CommandsPackageImpl.Literals.KEY_BINDING__PARAMETERS);
TableViewerColumn column = new TableViewerColumn(tableviewer, SWT.NONE);
column.getColumn().setText(Messages.KeyBindingEditor_ParametersKey);
column.getColumn().setWidth(200);
column.setEditingSupport(new EditingSupport(tableviewer) {
private TextCellEditor cellEditor = new TextCellEditor(tableviewer.getTable());
@Override
protected void setValue(Object element, Object value) {
((MParameter) element).setName((String) value);
}
@Override
protected Object getValue(Object element) {
String val = ((MParameter) element).getName();
return val == null ? "" : val; //$NON-NLS-1$
}
@Override
protected CellEditor getCellEditor(Object element) {
return cellEditor;
}
@Override
protected boolean canEdit(Object element) {
return true;
}
});
column = new TableViewerColumn(tableviewer, SWT.NONE);
column.getColumn().setText(Messages.KeyBindingEditor_ParametersValue);
column.getColumn().setWidth(200);
column.setEditingSupport(new EditingSupport(tableviewer) {
private TextCellEditor cellEditor = new TextCellEditor(tableviewer.getTable());
@Override
protected void setValue(Object element, Object value) {
((MParameter) element).setValue((String) value);
}
@Override
protected Object getValue(Object element) {
String val = ((MParameter) element).getValue();
return val == null ? "" : val; //$NON-NLS-1$
}
@Override
protected CellEditor getCellEditor(Object element) {
return cellEditor;
}
@Override
protected boolean canEdit(Object element) {
return true;
}
});
ColumnViewerEditorActivationStrategy editorActivationStrategy = new ColumnViewerEditorActivationStrategy(tableviewer) {
@Override
protected boolean isEditorActivationEvent(ColumnViewerEditorActivationEvent event) {
boolean singleSelect = ((IStructuredSelection) tableviewer.getSelection()).size() == 1;
boolean isLeftDoubleMouseSelect = event.eventType == ColumnViewerEditorActivationEvent.MOUSE_DOUBLE_CLICK_SELECTION && ((MouseEvent) event.sourceEvent).button == 1;
return singleSelect && (isLeftDoubleMouseSelect || event.eventType == ColumnViewerEditorActivationEvent.PROGRAMMATIC || event.eventType == ColumnViewerEditorActivationEvent.TRAVERSAL);
}
};
TableViewerEditor.create(tableviewer, editorActivationStrategy, ColumnViewerEditor.TABBING_HORIZONTAL | ColumnViewerEditor.TABBING_MOVE_TO_ROW_NEIGHBOR);
ViewerSupport.bind(tableviewer, prop.observeDetail(getMaster()), new IValueProperty[] { EMFEditProperties.value(getEditingDomain(), CommandsPackageImpl.Literals.PARAMETER__NAME), EMFEditProperties.value(getEditingDomain(), CommandsPackageImpl.Literals.PARAMETER__VALUE) });
Composite buttonComp = new Composite(parent, SWT.NONE);
buttonComp.setLayoutData(new GridData(GridData.FILL, GridData.END, false, false));
GridLayout gl = new GridLayout();
gl.marginLeft = 0;
gl.marginRight = 0;
gl.marginWidth = 0;
gl.marginHeight = 0;
buttonComp.setLayout(gl);
Button b = new Button(buttonComp, SWT.PUSH | SWT.FLAT);
b.setText(Messages.KeyBindingEditor_Up);
b.setImage(getImage(b.getDisplay(), ARROW_UP));
b.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false));
b = new Button(buttonComp, SWT.PUSH | SWT.FLAT);
b.setText(Messages.KeyBindingEditor_Down);
b.setImage(getImage(b.getDisplay(), ARROW_DOWN));
b.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false));
b = new Button(buttonComp, SWT.PUSH | SWT.FLAT);
b.setText(Messages.KeyBindingEditor_Add);
b.setImage(getImage(b.getDisplay(), TABLE_ADD_IMAGE));
b.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false));
b.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
MKeyBinding item = (MKeyBinding) getMaster().getValue();
MParameter param = MCommandsFactory.INSTANCE.createParameter();
Command cmd = AddCommand.create(getEditingDomain(), item, CommandsPackageImpl.Literals.KEY_BINDING__PARAMETERS, param);
if (cmd.canExecute()) {
getEditingDomain().getCommandStack().execute(cmd);
}
tableviewer.editElement(param, 0);
}
});
b = new Button(buttonComp, SWT.PUSH | SWT.FLAT);
b.setText(Messages.KeyBindingEditor_Remove);
b.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
IStructuredSelection s = (IStructuredSelection) tableviewer.getSelection();
if (!s.isEmpty()) {
MKeyBinding item = (MKeyBinding) getMaster().getValue();
Command cmd = RemoveCommand.create(getEditingDomain(), item, CommandsPackageImpl.Literals.KEY_BINDING__PARAMETERS, s.toList());
if (cmd.canExecute()) {
getEditingDomain().getCommandStack().execute(cmd);
}
}
}
});
b.setImage(getImage(b.getDisplay(), TABLE_DELETE_IMAGE));
b.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false));
ControlFactory.createStringListWidget(parent, this, "Tags", ApplicationPackageImpl.Literals.APPLICATION_ELEMENT__TAGS, VERTICAL_LIST_WIDGET_INDENT);
return parent;
}
@Override
public IObservableList getChildList(Object element) {
return null;
}
@Override
public String getDetailLabel(Object element) {
MKeySequence seq = (MKeySequence) element;
if (seq.getKeySequence() != null && seq.getKeySequence().trim().length() > 0) {
return seq.getKeySequence();
}
return null;
}
@Override
public FeaturePath[] getLabelProperties() {
return new FeaturePath[] { FeaturePath.fromList(CommandsPackageImpl.Literals.KEY_SEQUENCE__KEY_SEQUENCE) };
}
}
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