teichmann@5861: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5861:  * Software engineering by Intevation GmbH
teichmann@5861:  *
teichmann@5993:  * This file is Free Software under the GNU AGPL (>=v3)
teichmann@5861:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5993:  * documentation coming with Dive4Elements River for details.
teichmann@5861:  */
teichmann@5861: 
teichmann@5835: package org.dive4elements.river.client.client.ui;
ingo@2521: 
gernotbelger@9390: import java.util.ArrayList;
gernotbelger@9390: import java.util.List;
gernotbelger@9390: import java.util.Map;
gernotbelger@9390: import java.util.Set;
ingo@2521: 
teichmann@5835: import org.dive4elements.river.client.client.FLYSConstants;
teichmann@5835: import org.dive4elements.river.client.shared.model.Data;
teichmann@5835: import org.dive4elements.river.client.shared.model.DataItem;
teichmann@5835: import org.dive4elements.river.client.shared.model.DataList;
teichmann@5835: import org.dive4elements.river.client.shared.model.DefaultData;
teichmann@5835: import org.dive4elements.river.client.shared.model.DefaultDataItem;
teichmann@5835: import org.dive4elements.river.client.shared.model.IntegerOptionsData;
rrenkert@7826: import org.dive4elements.river.client.shared.model.MultiAttributeData;
teichmann@5835: import org.dive4elements.river.client.shared.model.StringOptionsData;
ingo@2521: 
gernotbelger@9390: import com.google.gwt.core.client.GWT;
gernotbelger@9390: import com.smartgwt.client.widgets.Canvas;
gernotbelger@9390: import com.smartgwt.client.widgets.Label;
gernotbelger@9390: import com.smartgwt.client.widgets.layout.HLayout;
gernotbelger@9390: import com.smartgwt.client.widgets.layout.LayoutSpacer;
gernotbelger@9390: import com.smartgwt.client.widgets.layout.VLayout;
christian@4184: 
ingo@2521: /**
ingo@2521:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
ingo@2521:  */
ingo@2521: public class ParameterMatrixPanel extends AbstractUIProvider {
ingo@2521: 
christian@4184:     private static final long serialVersionUID = -5827445025768340371L;
christian@4184: 
felix@3994:     /** The message class that provides i18n strings. */
felix@3994:     protected FLYSConstants MESSAGES = GWT.create(FLYSConstants.class);
felix@3994: 
ingo@2525:     private ParameterMatrix matrix;
gernotbelger@9390:     private final String itemnameColTitle;
gernotbelger@9390: 
gernotbelger@9390:     public ParameterMatrixPanel(final String itemNameColTitle) {
gernotbelger@9390:         this.itemnameColTitle = itemNameColTitle;
gernotbelger@9390:     }
ingo@2525: 
ingo@2521:     @Override
ingo@2521:     protected Data[] getData() {
gernotbelger@9390:         final Map<String, List<String>> selection = this.matrix.getSelection();
gernotbelger@9390:         final Set<Map.Entry<String, List<String>>> entries = selection.entrySet();
ingo@2525: 
gernotbelger@9390:         final Data[] list = new Data[this.matrix.getColumnNames().size()];
ingo@2525: 
ingo@2525:         int i = 0;
ingo@2525: 
gernotbelger@9390:         for (final Map.Entry<String, List<String>> entry : entries) {
gernotbelger@9390:             final String value = buildValueString(entry.getValue());
ingo@2525: 
gernotbelger@9390:             final DataItem item = new DefaultDataItem(entry.getKey(), null, value);
ingo@2525: 
gernotbelger@9390:             list[i++] = new DefaultData(entry.getKey(), null, null, new DataItem[] { item });
ingo@2525:         }
ingo@2525: 
felix@7580:         // To delete old values already given, construct empty ones
felix@7580:         // for all not-specified options.
gernotbelger@9390:         for (final String colName : this.matrix.getColumnNames()) {
felix@7580:             boolean found = false;
gernotbelger@9390:             for (final Data data : list) {
felix@7580:                 if (data != null && data.getLabel().equals(colName)) {
felix@7580:                     found = true;
felix@7580:                     break;
felix@7580:                 }
felix@7580:             }
felix@7580:             if (!found) {
felix@7580:                 // Add an empty data for this.
gernotbelger@9390:                 list[i++] = new DefaultData(colName, null, null, new DataItem[] {});
felix@7580:             }
felix@7580:         }
felix@7580: 
ingo@2525:         return list;
ingo@2521:     }
ingo@2521: 
gernotbelger@9390:     protected String buildValueString(final List<String> values) {
gernotbelger@9390:         final StringBuilder sb = new StringBuilder();
ingo@2525: 
ingo@2525:         boolean first = true;
ingo@2525: 
gernotbelger@9390:         for (final String value : values) {
ingo@2525:             if (!first) {
ingo@2525:                 sb.append(";");
ingo@2525:             }
ingo@2525: 
ingo@2525:             sb.append(value);
ingo@2525: 
ingo@2525:             first = false;
ingo@2525:         }
ingo@2525: 
ingo@2525:         return sb.toString();
ingo@2525:     }
ingo@2525: 
felix@3850:     /** Canvas to show in non-edit mode. */
ingo@2521:     @Override
gernotbelger@9390:     public Canvas createOld(final DataList dataList) {
gernotbelger@9390:         final HLayout layout = new HLayout();
gernotbelger@9390:         final VLayout vLayout = new VLayout();
ingo@2528: 
ingo@2528:         layout.setWidth(300);
ingo@2528:         vLayout.setWidth(280);
ingo@2528: 
ingo@2528:         for (int i = 0, n = dataList.size(); i < n; i++) {
gernotbelger@9390:             final HLayout row = new HLayout();
gernotbelger@9390:             final VLayout cols = new VLayout();
ingo@2528: 
ingo@2528:             row.setWidth(300);
ingo@2528:             cols.setWidth(100);
ingo@2528: 
gernotbelger@9390:             final Data data = dataList.get(i);
gernotbelger@9390:             final DataItem[] items = data.getItems();
ingo@2528: 
gernotbelger@9390:             final Label parameter = new Label(data.getDescription());
ingo@2528:             parameter.setWidth(200);
ingo@2528: 
gernotbelger@9390:             for (final DataItem item : items) {
gernotbelger@9390:                 final Label value = new Label(item.getLabel());
ingo@2528: 
gernotbelger@9390:                 value.setValign(com.smartgwt.client.types.VerticalAlignment.TOP);
ingo@2528:                 value.setWidth(130);
andre@8612:                 value.setHeight(15);
ingo@2528: 
ingo@2528:                 cols.addMember(value);
gernotbelger@9390:                 final LayoutSpacer spacer = new LayoutSpacer();
andre@8612:                 spacer.setHeight(5);
andre@8612:                 cols.addMember(spacer);
ingo@2528:             }
ingo@2528: 
ingo@2528:             row.addMember(parameter);
ingo@2528:             row.addMember(cols);
ingo@2528: 
ingo@2528:             vLayout.addMember(row);
ingo@2528:         }
ingo@2528: 
gernotbelger@9390:         final Canvas back = getBackButton(dataList.getState());
ingo@2528: 
ingo@2528:         layout.addMember(vLayout);
ingo@2528:         layout.addMember(back);
ingo@2528: 
ingo@2528:         return layout;
ingo@2521:     }
ingo@2521: 
felix@3853:     /** Create the main canvas in the "editing" mode. */
ingo@2521:     @Override
gernotbelger@9390:     public Canvas create(final DataList dataList) {
gernotbelger@9390:         final VLayout v = new VLayout();
ingo@2521:         v.addMember(createTitle(dataList));
ingo@2521: 
gernotbelger@9390:         this.matrix = new ParameterMatrix(this.itemnameColTitle);
ingo@2521: 
gernotbelger@9390:         for (final Data data : dataList.getAll()) {
ingo@2521:             if (data instanceof IntegerOptionsData) {
gernotbelger@9390:                 this.matrix.addColumn((IntegerOptionsData) data);
gernotbelger@9390:             } else if (data instanceof StringOptionsData) {
gernotbelger@9390:                 this.matrix.addColumn((StringOptionsData) data);
gernotbelger@9390:             } else if (data instanceof MultiAttributeData) {
gernotbelger@9390:                 this.matrix.addColumn((MultiAttributeData) data);
rrenkert@7826:             }
ingo@2521:         }
ingo@2521: 
felix@3853:         // If too many items are shown, show it in the helper Panel.
felix@3854:         // TODO its not about the datalist, but about the "rows" in the data.
felix@3853:         if (dataList.getAll().size() > 5) {
gernotbelger@9390:             v.addMember(this.matrix.create(false));
gernotbelger@9390:         } else {
gernotbelger@9390:             this.helperContainer.addMember(this.matrix.create(true));
felix@3853:         }
ingo@2525:         v.addMember(getNextButton());
ingo@2521: 
ingo@2521:         return v;
ingo@2521:     }
ingo@2521: 
felix@3853:     /** Reaturns a label with description of first Data. */
gernotbelger@9390:     protected Canvas createTitle(final DataList dataList) {
gernotbelger@9390:         final Data data = dataList.get(0);
gernotbelger@9390:         final Label label = new Label(data.getDescription());
ingo@2521:         label.setHeight(35);
ingo@2521: 
ingo@2521:         return label;
ingo@2521:     }
felix@3994: 
felix@3994:     /** Selection shall not be empty. */
felix@3994:     @Override
felix@3994:     public List<String> validate() {
gernotbelger@9390:         GWT.log("validation. validation. validation. ");
gernotbelger@9390:         final List<String> errors = new ArrayList<String>();
felix@3994:         // Early stop on one (only) error.
rrenkert@4627:         boolean ok = false;
gernotbelger@9390:         for (final Map.Entry<String, List<String>> entry : this.matrix.getSelection().entrySet()) {
gernotbelger@9390:             /*
gernotbelger@9390:              * single entries are allowed!!
gernotbelger@9390:              * if (entry.getValue() == null || entry.getValue().size() == 0) {
gernotbelger@9390:              * errors.add(MESSAGES.error_values_needed());
gernotbelger@9390:              * return errors;
gernotbelger@9390:              * }
gernotbelger@9390:              */
rrenkert@4627:             if (entry.getValue() != null && entry.getValue().size() > 0) {
rrenkert@4627:                 ok = true;
rrenkert@4627:             }
rrenkert@4627:         }
rrenkert@4627:         if (!ok) {
gernotbelger@9390:             errors.add(this.MESSAGES.error_values_needed());
felix@3994:         }
felix@3994:         return errors;
felix@3994:     }
ingo@2521: }
ingo@2521: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :