plugins/design/org.eclipse.papyrus.pdp4eng.designer.ui/src/org/eclipse/papyrus/pdp4eng/designer/ui/internal/StrategyDialog.java

/**
 *  Copyright (c)2020 CEA LIST, Committer Name, and others.
 * 
 *  All rights reserved. This program and the accompanying materials
 *  are made available under the terms of the Eclipse Public License 2.0
 *  which accompanies this distribution, and is available at
 *  https://www.eclipse.org/legal/epl-2.0/
 * 
 *  SPDX-License-Identifier: EPL-2.0
 * 
 *  Contributors:
 *  CEA LIST - Initial API and implementation
 *  Gabriel Pedroza (CEA LIST) gabriel.pedroza@cea.fr
 *  Patrick Tessier (CEA LIST) Patrick.tessier@cea.fr 
 * 
 */
package org.eclipse.papyrus.pdp4eng.designer.ui.internal;


import java.util.ArrayList;

import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TableViewerColumn;
import org.eclipse.papyrus.pdp4eng.designer.engine.api.IStrategy;
import org.eclipse.papyrus.pdp4eng.designer.engine.api.IStrategyCatalog;
import org.eclipse.papyrus.pdp4eng.designer.engine.api.IStrategyEngine;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableItem;

/**
 * Req004.002: the system shall provide for Model User to show name and goal of strategy
 * Req004.003: the system shall provide for Model User to execute the selected strategy
 * Req004.004: the system shall provide menus to execute Strategy
 * @author PT202707
 *
 */
public class StrategyDialog {
	protected Object result=null;


	protected Display display;
	protected Shell shell;
	protected Button okbt;
	protected Button cancelbt;


	protected IStrategyEngine engine=null;

	protected boolean canExecute=false;
	protected ArrayList<Table> tableList= new ArrayList<Table>();
	protected org.eclipse.uml2.uml.Package targetpackage=null;
	protected org.eclipse.uml2.uml.Element context=null;

	public StrategyDialog(org.eclipse.uml2.uml.Element context, IStrategyEngine engine, IStrategyCatalog strategyCatalog) {

		this.engine=engine;
		this.context=context;


		display =  Display.getDefault();
		shell = new Shell(display);

		shell.setSize(250, 200);
		shell.setText("Data-oriented Strategies Dialog");
		GridLayout gl = new GridLayout();
		gl.numColumns = 2;
		shell.setLayout(gl);

		final Table table = new Table(shell, SWT.BORDER | SWT.CHECK | SWT.MULTI
				| SWT.FULL_SELECTION);

		TableViewer viewer= new TableViewer(table);


		viewer.getTable().addListener(SWT.Selection, new Listener() {
			public void handleEvent(Event event) {
				if ((event.detail == SWT.CHECK) && (event.item instanceof TableItem)) {
					TableItem selectedTableItem=(TableItem)event.item;
					TableItem[] itemSet=table.getItems();
					for (int i=0; i<itemSet.length;i++){
						if(itemSet[i]==selectedTableItem){
							System.err.println(" checked "+itemSet[i].getData());
							itemSet[i].setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_DARK_GREEN));
							itemSet[i].setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_GREEN));
							engine.setStrategyToExecute((IStrategy)itemSet[i].getData());
						}
						else {
							System.err.println("not  checked "+itemSet[i].getData());
							itemSet[i].setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_BLACK));
							itemSet[i].setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));
							itemSet[i].setChecked(false);
						}

					}
				}
			}
		}

				);

		//TableViewer 
		createColumn(viewer);
		viewer.setContentProvider(new StrategyContentProvider());
		StrategyLabelProvider L=new StrategyLabelProvider();
		viewer.setLabelProvider(L);

		viewer.setInput(strategyCatalog.getPossibleStrategies());
		final GridData gd = new GridData(GridData.FILL_BOTH);
		gd.horizontalSpan = 2;
		table.setLayoutData(gd);
		table.setHeaderVisible(true);


		okbt = new Button(shell, SWT.NONE);
		//okbt.setBounds(294, 7, 59, 23);
		okbt.setText("Execute");

		cancelbt = new Button(shell, SWT.NONE);
		//cancelbt.setBounds(213, 7, 59, 23);
		cancelbt.setText("Cancel");

		//packagebutton= new Button(shell, SWT.NONE);
		//	packagebutton.setBounds(0, 7, 150, 23);
		//packagebutton.setText("Choose package");
		addButtonListener();

		shell.pack();


	}


	private void createColumn(TableViewer viewer) {
		// name column
		TableViewerColumn nameColumn = new TableViewerColumn(viewer, SWT.RESIZE);
		nameColumn.getColumn().setText("Strategy Name");
		nameColumn.getColumn().setWidth(200);
		nameColumn.getColumn().setResizable(true);
		nameColumn.getColumn().setMoveable(false);


		TableViewerColumn descColumn = new TableViewerColumn(viewer, SWT.RESIZE);
		descColumn.getColumn().setText("Strategy Description");
		descColumn.getColumn().setWidth(500);
		descColumn.getColumn().setResizable(true);
		descColumn.getColumn().setMoveable(false);

		//		TableViewerColumn pluginColumn = new TableViewerColumn(viewer, SWT.RESIZE);
		//		pluginColumn.getColumn().setText("Plugin source");
		//		pluginColumn.getColumn().setWidth(200);
		//		pluginColumn.getColumn().setResizable(true);
		//		pluginColumn.getColumn().setMoveable(false);
	}

	public void addButtonListener(){
		//Execute button selection
		okbt.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent event) {
				canExecute=true;
				shell.close();
			}
		});

		//Cancel button selection
		cancelbt.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent event) {
				canExecute=false;
				shell.close();
			}
		});

	}


	/**
	 * Open the dialog.
	 * @return the result
	 */
	public Object open() {
		shell.open();
		while(!shell.isDisposed()) {
			if(!display.readAndDispatch()) {
				display.sleep();
			}
		}
		return result;
	}

	public boolean canExecute() {
		return canExecute;
	}
	/**
	public static void main(String[] argv) {
		StrategyEngineFactory engineFactory= StrategyEngineFactory.getInstance();
		CatalogFactory catalogFactory= new CatalogFactory();
		engineFactory.getCurrentEngine().connectACatalog(catalogFactory.createCatalog("toto"));
		StrategyDialog propagationToolShell= new StrategyDialog(null,engineFactory.getCurrentEngine(), engineFactory.getCurrentEngine().getCatalog(0));
		propagationToolShell.open();
	}**/
}