Java tutorial
/*---------------- FILE HEADER KALYPSO ------------------------------------------ * * This file is part of kalypso. * Copyright (C) 2004 by: * * Technical University Hamburg-Harburg (TUHH) * Institute of River and coastal engineering * Denickestrae 22 * 21073 Hamburg, Germany * http://www.tuhh.de/wb * * and * * Bjoernsen Consulting Engineers (BCE) * Maria Trost 3 * 56070 Koblenz, Germany * http://www.bjoernsen.de * * 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, or (at your option) any later version. * * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Contact: * * E-Mail: * belger@bjoernsen.de * schlienger@bjoernsen.de * v.doemming@tuhh.de * * ---------------------------------------------------------------------------*/ package org.kalypso.ui.editor.styleeditor.fill; import java.awt.Color; import org.apache.commons.lang3.StringUtils; import org.eclipse.core.databinding.observable.value.IObservableValue; import org.eclipse.jface.databinding.swt.SWTObservables; import org.eclipse.jface.layout.GridLayoutFactory; import org.eclipse.jface.resource.JFaceResources; import org.eclipse.swt.SWT; import org.eclipse.swt.events.MouseAdapter; import org.eclipse.swt.events.MouseEvent; import org.eclipse.swt.graphics.Point; import org.eclipse.swt.graphics.RGB; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.ColorDialog; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Group; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Spinner; import org.eclipse.ui.forms.widgets.FormToolkit; import org.eclipse.ui.forms.widgets.ScrolledForm; import org.kalypso.commons.databinding.IDataBinding; import org.kalypso.commons.databinding.conversion.AwtToSwtColorConverter; import org.kalypso.commons.databinding.conversion.SwrToAwtColorConverter; import org.kalypso.commons.databinding.forms.DatabindingForm; import org.kalypso.contribs.eclipse.swt.ColorUtilities; import org.kalypso.contribs.eclipse.swt.widgets.ControlUtils; import org.kalypso.ui.editor.styleeditor.binding.IStyleInput; import org.kalypso.ui.editor.styleeditor.preview.FillPreview; import org.kalypso.ui.internal.i18n.Messages; import org.kalypsodeegree.graphics.sld.Fill; /** * @author Thomas Jung */ public class FillComposite extends Composite { /** * If this style is used, a preview will be shown below the panel. */ public static final int PREVIEW = 1 << 1; /** * If this style is used, the graphic section will be hidden. */ public static final int HIDE_GRAPHIC = 1 << 2; private FillPreview m_previewComp; private Group m_previewGroup; private final IStyleInput<Fill> m_input; private final IDataBinding m_binding; private GraphicFillSection m_fillSection; public FillComposite(final FormToolkit toolkit, final Composite parent, final IStyleInput<Fill> input, final int sldStyle) { super(parent, SWT.NONE); m_input = input; ControlUtils.addDisposeListener(this); setLayout(new FillLayout()); toolkit.adapt(this); final ScrolledForm form = toolkit.createScrolledForm(this); final Composite body = form.getBody(); GridLayoutFactory.fillDefaults().numColumns(2).applyTo(body); m_binding = new DatabindingForm(form, toolkit); createColorControl(toolkit, body); createOpacityControl(toolkit, body); if ((sldStyle & HIDE_GRAPHIC) == 0) createGraphicControl(toolkit, body); if ((sldStyle & PREVIEW) != 0) createPreviewControl(toolkit, body); } private void createColorControl(final FormToolkit toolkit, final Composite parent) { toolkit.createLabel(parent, Messages.getString("org.kalypso.ui.editor.sldEditor.FillEditorComposite.0")); //$NON-NLS-1$ final Label colorLabel = toolkit.createLabel(parent, StringUtils.EMPTY, SWT.BORDER); final GridData gridData = new GridData(SWT.FILL, SWT.CENTER, true, false); gridData.widthHint = 16; colorLabel.setLayoutData(gridData); colorLabel.setCursor(getDisplay().getSystemCursor(SWT.CURSOR_HAND)); final IObservableValue target = SWTObservables.observeBackground(colorLabel); final IObservableValue model = new FillColorValue(m_input); m_binding.bindValue(target, model, new SwrToAwtColorConverter(), new AwtToSwtColorConverter(JFaceResources.getColorRegistry(), toString())); colorLabel.addMouseListener(new MouseAdapter() { @Override public void mouseDown(final MouseEvent e) { final ColorDialog colorDialog = new ColorDialog(getShell()); colorDialog.setRGB(ColorUtilities.toRGB((Color) model.getValue())); final RGB chosenColor = colorDialog.open(); if (chosenColor != null) model.setValue(ColorUtilities.toAwtColor(chosenColor)); } }); } private void createOpacityControl(final FormToolkit toolkit, final Composite parent) { toolkit.createLabel(parent, Messages.getString("org.kalypso.ui.editor.sldEditor.FillEditorComposite.14")); //$NON-NLS-1$ final Spinner spinner = new Spinner(parent, SWT.BORDER); toolkit.adapt(spinner, true, true); spinner.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false)); final IObservableValue target = SWTObservables.observeSelection(spinner); final FillOpacityValue model = new FillOpacityValue(m_input); model.configureSpinner(spinner); m_binding.bindValue(target, model); } private void createGraphicControl(final FormToolkit toolkit, final Composite parent) { m_fillSection = new GraphicFillSection(toolkit, parent, m_input); m_fillSection.getSection().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1)); } private void createPreviewControl(final FormToolkit toolkit, final Composite parent) { m_previewGroup = new Group(parent, SWT.NONE); m_previewGroup.setLayout(new GridLayout()); toolkit.adapt(m_previewGroup); final GridData previewGridData = new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1); m_previewGroup.setLayoutData(previewGridData); m_previewGroup.setText(Messages.getString("org.kalypso.ui.editor.sldEditor.FillEditorComposite.16")); //$NON-NLS-1$ /* preview */ final Point size = new Point(SWT.DEFAULT, 32); m_previewComp = new FillPreview(m_previewGroup, size, m_input); m_previewComp.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); } public void updateControl() { m_binding.getBindingContext().updateTargets(); if (m_fillSection != null) m_fillSection.updateControl(); if (m_previewComp != null) m_previewComp.updateControl(); } }