TransformationMaskDeletionDialog.java

/**
 * Optimus, framework for Model Transformation
 *
 * Copyright (C) 2013 Worldline or third-party contributors as
 * indicated by the @author tags or express copyright attribution
 * statements applied by the authors.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */
package net.atos.optimus.m2m.engine.ui.prefs.dialog;

import net.atos.optimus.common.tools.swt.FormDataBuilder;
import net.atos.optimus.m2m.engine.core.masks.TransformationMaskDataSourceManager;
import net.atos.optimus.m2m.engine.masks.EditableTransformationMaskReference;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.FormLayout;
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.Shell;

/**
 * Dialog window used to delete a user transformation mask
 * 
 * @author tnachtergaele <nachtergaele.thomas@gmail.com>
 * 
 *
 */

public class TransformationMaskDeletionDialog extends Dialog {

	/** The name of the mask to delete */
	protected EditableTransformationMaskReference transformationMaskReference;

	/**
	 * Constructor
	 * 
	 * @param parentShell
	 * @param transformationMaskReference
	 *            the transformation mask reference to delete.
	 */
	public TransformationMaskDeletionDialog(Shell parentShell,
			EditableTransformationMaskReference transformationMaskReference) {
		super(parentShell);
		this.setShellStyle(getShellStyle() | SWT.RESIZE);
		this.transformationMaskReference = transformationMaskReference;
	}

	@Override
	protected Control createDialogArea(Composite parent) {
		Composite mainContainer = (Composite) super.createDialogArea(parent);
		mainContainer.setLayout(new FormLayout());

		Label deletionLabel = new Label(mainContainer, SWT.NONE);
		deletionLabel.setText(TransformationMasksDialogMessages.DELETION_MESSAGE
				.message(this.transformationMaskReference.getName()));

		Label warningImage = new Label(mainContainer, SWT.ICON_WARNING);
		warningImage.setImage(Display.getDefault().getSystemImage(SWT.ICON_WARNING));

		Label warningPreferredMask = new Label(mainContainer, SWT.ICON_WARNING);
		warningPreferredMask.setText(TransformationMasksDialogMessages.PREFERRED_MASK_WARNING
				.message(TransformationMaskDataSourceManager.DEFAULT_MASK_NAME));

		FormDataBuilder.on(deletionLabel).top().horizontal();
		FormDataBuilder.on(warningImage).top(deletionLabel).left().right(warningPreferredMask);
		FormDataBuilder.on(warningPreferredMask).top(deletionLabel).right();

		// Show the warning only if necessary
		if (!this.transformationMaskReference.equals(TransformationMaskDataSourceManager.INSTANCE
				.getPreferredTransformationMask())) {
			warningImage.setVisible(false);
			warningPreferredMask.setVisible(false);
		}

		return mainContainer;
	}

	@Override
	protected void okPressed() {
		this.transformationMaskReference.suppressTransformationMaskReference();
		if(this.transformationMaskReference.equals(TransformationMaskDataSourceManager.INSTANCE
				.getPreferredTransformationMask())){
			TransformationMaskDataSourceManager.INSTANCE.reinitializePreferredTransformationMask();
		}
		super.okPressed();
	}

	@Override
	protected void configureShell(Shell newShell) {
		super.configureShell(newShell);
		newShell.setText(TransformationMasksDialogMessages.DELETION_TITLE.message());
	}

	@Override
	protected Point getInitialSize() {
		return new Point(400, 150);
	}

}