CreateLayerComposite.java

/* uDig-Spatial Operations plugins
 * http://b5m.gipuzkoa.net
 * (C) 2006, Diputación Foral de Gipuzkoa, Ordenación Territorial.
 *
 * 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;
 * 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.
 */
package es.axios.udig.spatialoperations.internal.ui.dialogs;

import net.refractions.udig.internal.ui.UiPlugin;
import net.refractions.udig.ui.FeatureTypeEditor;

import org.eclipse.jface.action.IAction;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
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.Event;
import org.eclipse.swt.widgets.Listener;
import org.geotools.feature.simple.SimpleFeatureTypeBuilder;

/**
 * Presents the widget required to create a new layer.
 * <p>
 * </p>
 * 
 * @author Mauricio Pazos (www.axios.es)
 * @author Aritz Davila (www.axios.es)
 * @since 1.1.0
 */
final class CreateLayerComposite extends Composite {

	private FeatureTypeEditor			editor;
	private SimpleFeatureTypeBuilder	defaultBuilder;

	/**
	 * @param parent
	 * @param style
	 * @param editor
	 * @param defaultBuilder
	 */
	public CreateLayerComposite(Composite parent,
								int style,
								FeatureTypeEditor editor,
								SimpleFeatureTypeBuilder defaultBuilder) {
		super(parent, style);
		this.editor = editor;
		this.defaultBuilder = defaultBuilder;
		initialize();
	}

	private void initialize() {
		GridLayout gridLayout = new GridLayout(8, false);
		gridLayout.marginWidth = 0;
		gridLayout.marginHeight = 0;

		setLayout(gridLayout);
		setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

		editor.createFeatureTypeNameText(this, new GridData(SWT.FILL, SWT.FILL, true, false, 8, 1));

		Composite buttons = new Composite(this, SWT.NULL);
		gridLayout = new GridLayout();
		gridLayout.marginWidth = 0;
		gridLayout.marginHeight = 0;
		gridLayout.horizontalSpacing = 0;
		gridLayout.verticalSpacing = 0;
		buttons.setLayout(new GridLayout(1, true));
		GridData gridData = new GridData(SWT.NULL, SWT.FILL, false, true, 1, 1);
		gridData.widthHint = 32;
		buttons.setLayoutData(gridData);
		createButton(buttons, editor.getCreateAttributeAction());
		createButton(buttons, editor.getDeleteAction());

		editor.createTable(this, new GridData(SWT.FILL, SWT.FILL, true, true, 7, 1), defaultBuilder.buildFeatureType(),
					true);
		editor.createContextMenu();
	}

	private void createButton(Composite composite, final IAction action) {
		final Button button = new Button(composite, SWT.PUSH);
		button.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
		button.setToolTipText(action.getToolTipText());

		button.addPaintListener(new PaintListener() {
			ImageRegistry	images	= UiPlugin.getDefault().getImageRegistry();

			public void paintControl(PaintEvent e) {
				Image image = images.get(action.getId());
				if (image == null || image.isDisposed()) {
					images.put(action.getId(), action.getImageDescriptor());
					image = images.get(action.getId());
				}

				Point size = button.getSize();
				Rectangle imageBounds = image.getBounds();
				e.gc.drawImage(image, 0, 0, imageBounds.width, imageBounds.height, 2, 2, size.x - 4, size.y - 4);
			}
		});

		button.addListener(SWT.Selection, new Listener() {
			public void handleEvent(Event event) {
				action.runWithEvent(event);
			}
		});
	}
}