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.kalypsomodel1d2d.ui.map.channeledit; import org.apache.commons.lang3.StringUtils; import org.eclipse.core.databinding.beans.BeansObservables; import org.eclipse.core.databinding.observable.value.IObservableValue; import org.eclipse.jface.databinding.swt.ISWTObservableValue; import org.eclipse.jface.databinding.swt.SWTObservables; import org.eclipse.jface.databinding.viewers.ViewersObservables; import org.eclipse.jface.layout.GridLayoutFactory; import org.eclipse.jface.viewers.ArrayContentProvider; import org.eclipse.jface.viewers.ComboViewer; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.swt.SWT; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Spinner; import org.eclipse.ui.forms.widgets.FormToolkit; import org.kalypso.commons.databinding.forms.DatabindingForm; import org.kalypso.kalypsomodel1d2d.KalypsoModel1D2DPlugin; import org.kalypso.kalypsomodel1d2d.KalypsoModel1D2DUIImages; import org.kalypso.kalypsomodel1d2d.ui.i18n.Messages; import org.kalypso.kalypsomodel1d2d.ui.map.channeledit.ChannelEditData.SIDE; import org.kalypso.ogc.gml.map.widgets.SelectionWidget; import org.kalypso.ogc.gml.widgets.IWidget; /** * @author Gernot Belger */ class BankSelectionComposite extends Composite { BankSelectionComposite(final FormToolkit toolkit, final Composite parent, final ChannelEditData data, final DatabindingForm binding, final int spinnerWidth) { super(parent, SWT.NONE); toolkit.adapt(this); GridLayoutFactory.swtDefaults().numColumns(3).applyTo(this); createBankSelectionLine(toolkit, this, data, binding, SIDE.LEFT, ChannelEditData.PROPERTY_BANK_THEME_SELECTED_LEFT); createBankSelectionLine(toolkit, this, data, binding, SIDE.RIGHT, ChannelEditData.PROPERTY_BANK_THEME_SELECTED_RIGHT); /* spinner for number for bank parts */ createNumberSegmentsControl(toolkit, this, data, binding, spinnerWidth); } private void createBankSelectionLine(final FormToolkit toolkit, final Composite parent, final ChannelEditData data, final DatabindingForm binding, final SIDE side, final String selectedBankThemeProperty) { final ComboViewer themeChooser = new ComboViewer(parent, SWT.DROP_DOWN | SWT.READ_ONLY); toolkit.adapt(themeChooser.getControl(), true, false); themeChooser.getControl().setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false)); themeChooser.setContentProvider(new ArrayContentProvider()); themeChooser.setLabelProvider(new LabelProvider()); final IObservableValue targetInput = ViewersObservables.observeInput(themeChooser); final IObservableValue modelInput = BeansObservables.observeValue(data, ChannelEditData.PROPERTY_BANK_THEME_INPUT); binding.bindValue(targetInput, modelInput); final IObservableValue targetSelection = ViewersObservables.observeSinglePostSelection(themeChooser); final IObservableValue modelSelection = BeansObservables.observeValue(data, selectedBankThemeProperty); binding.bindValue(targetSelection, modelSelection); final IObservableValue targetEnabled = SWTObservables.observeEnabled(themeChooser.getControl()); final IObservableValue modelEnabled = BeansObservables.observeValue(data, ChannelEditData.PROPERTY_BANK_THEME_SELECTION_ENABLED); binding.bindValue(targetEnabled, modelEnabled); /* Button for the bank selection */ final IWidget selectFromThemeWidget = new SelectionWidget(StringUtils.EMPTY, StringUtils.EMPTY, new BankSelectorFunction(data, side, modelSelection)); final SetWidgetAction selectFromThemeAction = new SetWidgetAction(data, selectFromThemeWidget); selectFromThemeAction.setImageDescriptor(KalypsoModel1D2DPlugin.getImageProvider() .getImageDescriptor(KalypsoModel1D2DUIImages.IMGKEY.SELECT)); final Button selectFromThemeButton = ChannelEditUtil.createWidgetSelectionButton(toolkit, parent, data, binding, selectFromThemeAction, ChannelEditData.PROPERTY_BANK_THEME_SELECTION_ENABLED); selectFromThemeButton.setToolTipText(Messages .getString("org.kalypso.kalypsomodel1d2d.ui.map.channeledit.CreateMainChannelComposite.19")); //$NON-NLS-1$ selectFromThemeButton.setLayoutData(new GridData(SWT.END, SWT.CENTER, false, false)); /* Button for the bank drawing */ final IWidget drawBankWidget = new DrawBanklineWidget(data, side); final SetWidgetAction drawBankAction = new SetWidgetAction(data, drawBankWidget); drawBankAction.setImageDescriptor( KalypsoModel1D2DPlugin.getImageProvider().getImageDescriptor(KalypsoModel1D2DUIImages.IMGKEY.EDIT)); final Button drawBankButton = ChannelEditUtil.createWidgetSelectionButton(toolkit, parent, data, binding, drawBankAction, null); drawBankButton.setLayoutData(new GridData(SWT.END, SWT.CENTER, false, false)); } private void createNumberSegmentsControl(final FormToolkit toolkit, final Composite parent, final ChannelEditData data, final DatabindingForm binding, final int spinnerWidth) { final Label label = toolkit.createLabel(parent, Messages .getString("org.kalypso.kalypsomodel1d2d.ui.map.channeledit.CreateMainChannelComposite.28")); //$NON-NLS-1$ label.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false)); final Spinner spinNumberSegments = new Spinner(parent, SWT.BORDER); toolkit.adapt(spinNumberSegments); final GridData gridDataSpin = new GridData(SWT.FILL, SWT.CENTER, false, false, 2, 1); gridDataSpin.widthHint = spinnerWidth; spinNumberSegments.setLayoutData(gridDataSpin); spinNumberSegments.setToolTipText(Messages .getString("org.kalypso.kalypsomodel1d2d.ui.map.channeledit.CreateMainChannelComposite.29")); //$NON-NLS-1$ spinNumberSegments.setValues(1, 2, 99, 0, 1, 10); final ISWTObservableValue targetNumBankSegments = SWTObservables.observeSelection(spinNumberSegments); final IObservableValue modelNumBankSegments = BeansObservables.observeValue(data, ChannelEditData.PROPERTY_NUM_BANK_SEGMENTS); binding.bindValue(targetNumBankSegments, modelNumBankSegments); } }