Java tutorial
/* * Copyright (c) 2014 Data Harmonisation Panel * * All rights reserved. This program and the accompanying materials are made * available under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation, either version 3 of the License, * or (at your option) any later version. * * You should have received a copy of the GNU Lesser General Public License * along with this distribution. If not, see <http://www.gnu.org/licenses/>. * * Contributors: * Data Harmonisation Panel <http://www.dhpanel.eu> */ package eu.esdihumboldt.hale.io.gml.ui; import java.net.URI; import org.eclipse.jface.fieldassist.ControlDecoration; import org.eclipse.jface.fieldassist.FieldDecoration; import org.eclipse.jface.fieldassist.FieldDecorationRegistry; import org.eclipse.jface.layout.GridLayoutFactory; import org.eclipse.jface.preference.BooleanFieldEditor; import org.eclipse.jface.preference.IPreferenceStore; import org.eclipse.jface.preference.PreferenceStore; import org.eclipse.jface.preference.StringFieldEditor; import org.eclipse.jface.util.IPropertyChangeListener; import org.eclipse.jface.util.PropertyChangeEvent; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.widgets.Composite; import eu.esdihumboldt.hale.common.core.io.Value; import eu.esdihumboldt.hale.common.core.io.project.model.IOConfiguration; import eu.esdihumboldt.hale.io.gml.writer.InspireDatasetFeedWriter; import eu.esdihumboldt.hale.io.gml.writer.InspireInstanceWriter; import eu.esdihumboldt.hale.ui.io.IOWizard; import eu.esdihumboldt.hale.ui.io.config.AbstractConfigurationPage; /** * Configuration page for the INSPIRE dataset feed writer. * * @author Kai Schwierczek */ public class InspireDatasetFeedConfigurationPage extends AbstractConfigurationPage<InspireInstanceWriter, IOWizard<InspireInstanceWriter>> { private Composite parent; private BooleanFieldEditor create; private StringFieldEditor title; private StringFieldEditor subTitle; private StringFieldEditor rights; private StringFieldEditor authorName; private StringFieldEditor authorMail; private StringFieldEditor selfLink; private StringFieldEditor gmlLink; private URI lastGMLTarget; /** * Default constructor. */ public InspireDatasetFeedConfigurationPage() { super("inspire.feed"); setTitle("Dataset feed creation"); setDescription("Create an INSPIRE dataset feed for use in an INSPIRE Download Service."); setPageComplete(true); } @Override protected void onShowPage(boolean firstShow) { // update defaults for self+gml uri if (getWizard().getProvider().getTarget() != null) { // may be null when creating custom export configuration URI gmlTarget = getWizard().getProvider().getTarget().getLocation(); if (!gmlTarget.equals(lastGMLTarget)) { lastGMLTarget = gmlTarget; selfLink.setStringValue(getFeedURIDefault()); gmlLink.setStringValue(getGMLURIDefault()); } } } @Override public void enable() { // do nothing } @Override public void disable() { // do nothing } private String getFileName(URI uri) { String s = uri.toString(); return s.substring(s.lastIndexOf('/') + 1); } private String getFeedURIDefault() { URI gmlTarget = getWizard().getProvider().getTarget().getLocation(); URI feedTarget = InspireInstanceWriter.getDatasetFeedTarget(gmlTarget); return getFileName(feedTarget); } private String getGMLURIDefault() { URI gmlTarget = getWizard().getProvider().getTarget().getLocation(); return getFileName(gmlTarget); } @Override protected void createContent(Composite page) { parent = page; GridLayoutFactory.swtDefaults().numColumns(2).equalWidth(false).spacing(6, 12).applyTo(page); // TODO "intro" explanation FieldDecoration fieldDec = FieldDecorationRegistry.getDefault() .getFieldDecoration(FieldDecorationRegistry.DEC_INFORMATION); Image infoImage = fieldDec.getImage(); create = new BooleanFieldEditor("create", "Create feed", BooleanFieldEditor.SEPARATE_LABEL, page); create.setPropertyChangeListener(new IPropertyChangeListener() { @Override public void propertyChange(PropertyChangeEvent event) { updateStatus(); } }); title = new StringFieldEditor("title", "Feed title", page); subTitle = new StringFieldEditor("subtitle", "Feed sub title", page); rights = new StringFieldEditor("rights", "Rights", page); // e ControlDecoration rightsExplanation = new ControlDecoration(rights.getTextControl(page), SWT.LEFT | SWT.TOP); rightsExplanation.setImage(infoImage); rightsExplanation.setDescriptionText("Any information about rights or restrictions to the dataset."); authorName = new StringFieldEditor("name", "Author name", page); authorMail = new StringFieldEditor("mail", "Author mail", page); selfLink = new StringFieldEditor("self", "Feed URI", page); // e ControlDecoration selfLinkExplanation = new ControlDecoration(selfLink.getTextControl(page), SWT.LEFT | SWT.TOP); selfLinkExplanation.setImage(infoImage); selfLinkExplanation.setDescriptionText("The address under which the feed will be accessible.\n" + "Changes do not affect the location of the created file."); gmlLink = new StringFieldEditor("gml", "GML URI", page);// e ControlDecoration gmlLinkExplanation = new ControlDecoration(gmlLink.getTextControl(page), SWT.LEFT | SWT.TOP); gmlLinkExplanation.setImage(infoImage); gmlLinkExplanation.setDescriptionText("The address under which the gml data will be accessible.\n" + "Changes do not affect the location of the created file."); updateStatus(); } private void updateStatus() { // enable/disable input fields boolean createFeed = create.getBooleanValue(); title.setEnabled(createFeed, parent); subTitle.setEnabled(createFeed, parent); rights.setEnabled(createFeed, parent); authorName.setEnabled(createFeed, parent); authorMail.setEnabled(createFeed, parent); selfLink.setEnabled(createFeed, parent); gmlLink.setEnabled(createFeed, parent); } @Override public boolean updateConfiguration(InspireInstanceWriter provider) { // ATOM allows basically anything (well, mail must match '.+@.+') // so no validation here... boolean createFeed = create.getBooleanValue(); provider.setParameter(InspireInstanceWriter.PARAM_SPATIAL_DATA_SET_CREATE_FEED, Value.of(createFeed)); if (createFeed) { provider.setParameter(InspireDatasetFeedWriter.PARAM_FEED_TITLE, Value.of(title.getStringValue())); provider.setParameter(InspireDatasetFeedWriter.PARAM_FEED_SUBTITLE, Value.of(subTitle.getStringValue())); provider.setParameter(InspireDatasetFeedWriter.PARAM_FEED_RIGHTS, Value.of(rights.getStringValue())); provider.setParameter(InspireDatasetFeedWriter.PARAM_FEED_AUTHOR_NAME, Value.of(authorName.getStringValue())); provider.setParameter(InspireDatasetFeedWriter.PARAM_FEED_AUTHOR_MAIL, Value.of(authorMail.getStringValue())); provider.setParameter(InspireDatasetFeedWriter.PARAM_FEED_SELFLINK, Value.of(selfLink.getStringValue())); provider.setParameter(InspireDatasetFeedWriter.PARAM_FEED_GMLLINK, Value.of(gmlLink.getStringValue())); } else { // this is not really necessary, but for the sake of tidiness provider.setParameter(InspireDatasetFeedWriter.PARAM_FEED_TITLE, null); provider.setParameter(InspireDatasetFeedWriter.PARAM_FEED_SUBTITLE, null); provider.setParameter(InspireDatasetFeedWriter.PARAM_FEED_RIGHTS, null); provider.setParameter(InspireDatasetFeedWriter.PARAM_FEED_AUTHOR_NAME, null); provider.setParameter(InspireDatasetFeedWriter.PARAM_FEED_AUTHOR_MAIL, null); provider.setParameter(InspireDatasetFeedWriter.PARAM_FEED_SELFLINK, null); provider.setParameter(InspireDatasetFeedWriter.PARAM_FEED_GMLLINK, null); } return true; } @Override public void loadPreSelection(IOConfiguration conf) { Value createValue = conf.getProviderConfiguration() .get(InspireInstanceWriter.PARAM_SPATIAL_DATA_SET_CREATE_FEED); Value titleValue = conf.getProviderConfiguration().get(InspireDatasetFeedWriter.PARAM_FEED_TITLE); Value subTitleValue = conf.getProviderConfiguration().get(InspireDatasetFeedWriter.PARAM_FEED_SUBTITLE); Value rightsValue = conf.getProviderConfiguration().get(InspireDatasetFeedWriter.PARAM_FEED_RIGHTS); Value authorNameValue = conf.getProviderConfiguration() .get(InspireDatasetFeedWriter.PARAM_FEED_AUTHOR_NAME); Value authorMailValue = conf.getProviderConfiguration() .get(InspireDatasetFeedWriter.PARAM_FEED_AUTHOR_MAIL); Value selfLinkValue = conf.getProviderConfiguration().get(InspireDatasetFeedWriter.PARAM_FEED_SELFLINK); Value gmlLinkValue = conf.getProviderConfiguration().get(InspireDatasetFeedWriter.PARAM_FEED_GMLLINK); if (create != null && createValue != null) { // there is no other way to set the selection for the button except // using the preference store IPreferenceStore store = new PreferenceStore(); store.setValue(create.getPreferenceName(), createValue.as(Boolean.class, false)); create.setPreferenceStore(store); create.load(); updateStatus(); } if (title != null && titleValue != null) { title.setStringValue(titleValue.as(String.class)); } if (subTitle != null && subTitleValue != null) { subTitle.setStringValue(subTitleValue.as(String.class)); } if (rights != null && rightsValue != null) { rights.setStringValue(rightsValue.as(String.class)); } if (authorName != null && authorNameValue != null) { authorName.setStringValue(authorNameValue.as(String.class)); } if (authorMail != null && authorMailValue != null) { authorMail.setStringValue(authorMailValue.as(String.class)); } if (selfLink != null && selfLinkValue != null) { selfLink.setStringValue(selfLinkValue.as(String.class)); } if (gmlLink != null && gmlLinkValue != null) { gmlLink.setStringValue(gmlLinkValue.as(String.class)); } } }