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/*******************************************************************************
* Copyright (c) 2011 protos software gmbh (http://www.protos.de).
* 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:
* Henrik Rentz-Reichert (initial contribution)
*
*******************************************************************************/
package org.eclipse.etrice.ui.behavior.dialogs;
import org.eclipse.emf.common.util.EList;
import org.eclipse.etrice.core.room.ActorClass;
import org.eclipse.etrice.core.room.Attribute;
import org.eclipse.etrice.core.room.Operation;
import org.eclipse.etrice.core.room.StandardOperation;
import org.eclipse.etrice.core.ui.RoomUiModule;
import org.eclipse.etrice.ui.behavior.Activator;
import org.eclipse.etrice.ui.behavior.fsm.dialogs.ISelectionDialog;
import org.eclipse.etrice.ui.behavior.support.SupportUtil;
import org.eclipse.jface.layout.TableColumnLayout;
import org.eclipse.jface.viewers.ColumnWeightData;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
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.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.ui.forms.FormDialog;
import org.eclipse.ui.forms.IManagedForm;
import org.eclipse.ui.forms.widgets.Form;
import org.eclipse.ui.forms.widgets.FormToolkit;
import com.google.inject.Inject;
import com.google.inject.Injector;
/**
* @author Henrik Rentz-Reichert
*
*/
public class MemberSelectionDialog extends FormDialog implements ISelectionDialog {
private class MemberContentProvider implements IStructuredContentProvider {
@Override
public void dispose() {
}
@Override
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
}
@Override
public Object[] getElements(Object inputElement) {
EList<Attribute> attributes = ac.getAttributes();
EList<StandardOperation> operations = ac.getOperations();
Object[] elements = new Object[attributes.size()+operations.size()];
System.arraycopy(attributes.toArray(), 0, elements, 0, attributes.size());
System.arraycopy(operations.toArray(), 0, elements, attributes.size(), operations.size());
return elements;
}
}
private class MemberLabelProvider extends LabelProvider implements ITableLabelProvider {
@Override
public Image getColumnImage(Object element, int columnIndex) {
if (columnIndex==0) {
return labelProvider.getImage(element);
}
return null;
}
@Override
public String getColumnText(Object element, int columnIndex) {
switch (columnIndex) {
case 0:
if (element instanceof Attribute)
return ((Attribute) element).getType().getType().getName();
else if (element instanceof Operation)
return ((Operation) element).getReturnType()==null ? "void":((Operation) element).getReturnType().getType().getName();
break;
case 1:
if (element instanceof Attribute) {
int sz = ((Attribute) element).getSize();
if (sz>1)
return ((Attribute) element).getName()+"["+sz+"]";
else
return ((Attribute) element).getName();
}
else if (element instanceof Operation)
return ((Operation) element).getName();
break;
case 2:
if (element instanceof Operation)
return SupportUtil.getInstance().getRoomNameProvider().getTypedArgumentList((Operation) element);
}
return null;
}
}
private ActorClass ac;
private TableViewer viewer;
@Inject
ILabelProvider labelProvider;
private String text;
/**
* @param shell
*/
public MemberSelectionDialog(Shell shell, ActorClass ac) {
super(shell);
this.ac = ac;
Injector injector = RoomUiModule.getInjector();
injector.injectMembers(this);
}
@Override
protected void createFormContent(IManagedForm mform) {
FormToolkit toolkit = mform.getToolkit();
Form form = mform.getForm().getForm();
form.setText("Select an Attribute or Operation");
form.setImage(Activator.getImage("icons/Behavior.gif"));
toolkit.decorateFormHeading(form);
Composite body = form.getBody();
viewer = new TableViewer(body, SWT.FULL_SELECTION | SWT.BORDER | SWT.H_SCROLL);
// HOWTO: add table columns
TableColumn col0 = new TableColumn(viewer.getTable(), SWT.NONE);
col0.setText("type");
TableColumn col1 = new TableColumn(viewer.getTable(), SWT.NONE);
col1.setText("name");
TableColumn col2 = new TableColumn(viewer.getTable(), SWT.NONE);
col2.setText("parameters");
viewer.getTable().setHeaderVisible(true);
viewer.setContentProvider(new MemberContentProvider());
viewer.setLabelProvider(new MemberLabelProvider());
viewer.setInput(ac);
viewer.addDoubleClickListener(new IDoubleClickListener() {
@Override
public void doubleClick(DoubleClickEvent event) {
okPressed();
}
});
viewer.addSelectionChangedListener(new ISelectionChangedListener() {
@Override
public void selectionChanged(SelectionChangedEvent event) {
Button ok = getButton(OK);
if (ok!=null) {
if (event.getSelection() instanceof IStructuredSelection) {
Object element = ((IStructuredSelection) event.getSelection()).getFirstElement();
ok.setEnabled(element instanceof Attribute || element instanceof Operation);
}
}
}
});
// the table layout is crucial!
TableColumnLayout layout = new TableColumnLayout();
body.setLayout(layout);
layout.setColumnData(col0, new ColumnWeightData(20));
layout.setColumnData(col1, new ColumnWeightData(30));
layout.setColumnData(col2, new ColumnWeightData(50));
}
/* (non-Javadoc)
* @see org.eclipse.jface.dialogs.Dialog#okPressed()
*/
@Override
protected void okPressed() {
ISelection selection = viewer.getSelection();
if (selection instanceof IStructuredSelection) {
Object selected = ((IStructuredSelection) selection).getFirstElement();
if (selected instanceof Attribute) {
text = ((Attribute)selected).getName();
}
else if (selected instanceof Operation) {
String typedArgumentList = SupportUtil.getInstance().getRoomNameProvider().getTypedArgumentList((Operation) selected);
text = ((Operation)selected).getName()+typedArgumentList;
}
}
super.okPressed();
}
public String getSelected() {
return text;
}
}
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