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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.WritableValue;
import org.eclipse.core.resources.IProject;
import org.eclipse.e4.tools.emf.ui.common.IModelResource;
import org.eclipse.e4.tools.emf.ui.internal.Messages;
import org.eclipse.e4.tools.emf.ui.internal.common.ComponentLabelProvider;
import org.eclipse.e4.tools.emf.ui.internal.common.ModelEditor;
import org.eclipse.e4.tools.emf.ui.internal.common.component.dialogs.HandledMenuItemCommandSelectionDialog;
import org.eclipse.e4.ui.model.application.commands.MCommandsFactory;
import org.eclipse.e4.ui.model.application.commands.MParameter;
import org.eclipse.e4.ui.model.application.impl.ApplicationPackageImpl;
import org.eclipse.e4.ui.model.application.ui.MUIElement;
import org.eclipse.e4.ui.model.application.ui.menu.MHandledItem;
import org.eclipse.e4.ui.model.application.ui.menu.impl.MenuPackageImpl;
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.edit.command.AddCommand;
import org.eclipse.emf.edit.command.MoveCommand;
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.ObservableListContentProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.swt.SWT;
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.Text;
public class HandledMenuItemEditor extends MenuItemEditor {
private IModelResource resource;
private IEMFEditListProperty HANDLED_ITEM__PARAMETERS = EMFEditProperties.list(getEditingDomain(), MenuPackageImpl.Literals.HANDLED_ITEM__PARAMETERS);
public HandledMenuItemEditor(EditingDomain editingDomain, ModelEditor editor, IProject project, IModelResource resource) {
super(editingDomain, editor, project);
this.resource = resource;
}
@Override
public Image getImage(Object element, Display display) {
if (element instanceof MUIElement) {
MUIElement uiElement = (MUIElement) element;
if (uiElement.isToBeRendered() && uiElement.isVisible()) {
try {
return loadSharedImage(display, new URL("platform:/plugin/org.eclipse.e4.tools.emf.ui/icons/full/modelelements/HandledMenuItem.gif")); //$NON-NLS-1$
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
} else {
try {
return loadSharedImage(display, new URL("platform:/plugin/org.eclipse.e4.tools.emf.ui/icons/full/modelelements/tbr/HandledMenuItem.gif")); //$NON-NLS-1$
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
return null;
}
@Override
public String getLabel(Object element) {
return Messages.HandledMenuItemEditor_Label;
}
@Override
public String getDescription(Object element) {
return Messages.HandledMenuItemEditor_Description;
}
@Override
protected void createFormSubTypeForm(Composite parent, EMFDataBindingContext context, final WritableValue master) {
IWidgetValueProperty textProp = WidgetProperties.text(SWT.Modify);
// ------------------------------------------------------------
{
Label l = new Label(parent, SWT.NONE);
l.setText(Messages.HandledMenuItemEditor_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(MenuPackageImpl.Literals.HANDLED_ITEM__COMMAND, ApplicationPackageImpl.Literals.APPLICATION_ELEMENT__ELEMENT_ID)).observeDetail(master));
final Button b = new Button(parent, SWT.PUSH | SWT.FLAT);
b.setText(Messages.HandledMenuItemEditor_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) {
HandledMenuItemCommandSelectionDialog dialog = new HandledMenuItemCommandSelectionDialog(b.getShell(), (MHandledItem) getMaster().getValue(), resource);
dialog.open();
}
});
}
// ------------------------------------------------------------
{
Label l = new Label(parent, SWT.NONE);
l.setText(Messages.HandledMenuItemEditor_Parameters);
l.setLayoutData(new GridData(GridData.END, GridData.BEGINNING, false, false));
final TableViewer viewer = new TableViewer(parent);
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
gd.heightHint = 120;
viewer.getControl().setLayoutData(gd);
ObservableListContentProvider cp = new ObservableListContentProvider();
viewer.setContentProvider(cp);
viewer.setLabelProvider(new ComponentLabelProvider(getEditor()));
IEMFEditListProperty prop = EMFEditProperties.list(getEditingDomain(), MenuPackageImpl.Literals.HANDLED_ITEM__PARAMETERS);
viewer.setInput(prop.observeDetail(master));
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.ModelTooling_Common_Up);
b.setImage(getImage(b.getDisplay(), ARROW_UP));
b.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false));
b.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
if (!viewer.getSelection().isEmpty()) {
IStructuredSelection s = (IStructuredSelection) viewer.getSelection();
if (s.size() == 1) {
Object obj = s.getFirstElement();
MHandledItem container = (MHandledItem) getMaster().getValue();
int idx = container.getParameters().indexOf(obj) - 1;
if (idx >= 0) {
Command cmd = MoveCommand.create(getEditingDomain(), getMaster().getValue(), MenuPackageImpl.Literals.HANDLED_ITEM__PARAMETERS, obj, idx);
if (cmd.canExecute()) {
getEditingDomain().getCommandStack().execute(cmd);
viewer.setSelection(new StructuredSelection(obj));
}
}
}
}
}
});
b = new Button(buttonComp, SWT.PUSH | SWT.FLAT);
b.setText(Messages.ModelTooling_Common_Down);
b.setImage(getImage(b.getDisplay(), ARROW_DOWN));
b.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false));
b.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
if (!viewer.getSelection().isEmpty()) {
IStructuredSelection s = (IStructuredSelection) viewer.getSelection();
if (s.size() == 1) {
Object obj = s.getFirstElement();
MHandledItem container = (MHandledItem) getMaster().getValue();
int idx = container.getParameters().indexOf(obj) + 1;
if (idx < container.getParameters().size()) {
Command cmd = MoveCommand.create(getEditingDomain(), getMaster().getValue(), MenuPackageImpl.Literals.HANDLED_ITEM__PARAMETERS, obj, idx);
if (cmd.canExecute()) {
getEditingDomain().getCommandStack().execute(cmd);
viewer.setSelection(new StructuredSelection(obj));
}
}
}
}
}
});
b = new Button(buttonComp, SWT.PUSH | SWT.FLAT);
b.setText(Messages.ModelTooling_Common_AddEllipsis);
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) {
MHandledItem item = (MHandledItem) master.getValue();
MParameter param = MCommandsFactory.INSTANCE.createParameter();
Command cmd = AddCommand.create(getEditingDomain(), item, MenuPackageImpl.Literals.HANDLED_ITEM__PARAMETERS, param);
if (cmd.canExecute()) {
getEditingDomain().getCommandStack().execute(cmd);
getEditor().setSelection(param);
}
}
});
b = new Button(buttonComp, SWT.PUSH | SWT.FLAT);
b.setText(Messages.ModelTooling_Common_Remove);
b.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
IStructuredSelection s = (IStructuredSelection) viewer.getSelection();
if (!s.isEmpty()) {
MHandledItem item = (MHandledItem) master.getValue();
Command cmd = RemoveCommand.create(getEditingDomain(), item, MenuPackageImpl.Literals.HANDLED_ITEM__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));
}
}
@Override
public IObservableList getChildList(Object element) {
return HANDLED_ITEM__PARAMETERS.observe(element);
}
}