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;
raimund@2898: 
raimund@2898: import com.google.gwt.core.client.GWT;
raimund@2898: import com.google.gwt.i18n.client.DateTimeFormat;
raimund@2898: 
rrenkert@7942: import com.smartgwt.client.data.DateRange;
christian@4131: import com.smartgwt.client.types.ListGridFieldType;
christian@4131: import com.smartgwt.client.widgets.Button;
raimund@2898: import com.smartgwt.client.widgets.Canvas;
raimund@2898: import com.smartgwt.client.widgets.Label;
raimund@2898: import com.smartgwt.client.widgets.events.ClickEvent;
raimund@2898: import com.smartgwt.client.widgets.events.ClickHandler;
raimund@2898: import com.smartgwt.client.widgets.grid.ListGrid;
raimund@2898: import com.smartgwt.client.widgets.grid.ListGridField;
raimund@2898: import com.smartgwt.client.widgets.grid.ListGridRecord;
christian@4131: import com.smartgwt.client.widgets.grid.events.RecordClickEvent;
christian@4131: import com.smartgwt.client.widgets.grid.events.RecordClickHandler;
raimund@2898: import com.smartgwt.client.widgets.layout.HLayout;
raimund@2898: import com.smartgwt.client.widgets.layout.VLayout;
raimund@2898: 
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;
raimund@2898: 
christian@4131: import java.util.ArrayList;
christian@4131: import java.util.Date;
christian@4131: import java.util.List;
christian@4131: 
raimund@2898: /**
felix@6579:  * This UIProvider creates a panel for input of multiple time periods.
raimund@2898:  *
raimund@2898:  * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
raimund@2898:  */
raimund@2898: public class MultiPeriodPanel
raimund@2898: extends      PeriodPanel
raimund@2898: {
raimund@2898: 
christian@4131:     private static final long serialVersionUID = 1811025931934462457L;
christian@4131: 
raimund@2898:     protected ListGrid elements;
raimund@2898: 
raimund@2898:     protected String values;
raimund@2898: 
raimund@2898:     public MultiPeriodPanel() {
raimund@2898:         this("", "");
raimund@2898:     }
raimund@2898: 
raimund@2898:     public MultiPeriodPanel(String startName, String endName) {
raimund@2898:         super(startName, endName);
raimund@2898:     }
raimund@2898: 
christian@4131:     @Override
raimund@2898:     public Canvas createWidget(DataList data) {
raimund@2898:         HLayout input = new HLayout();
raimund@2898:         VLayout root = new VLayout();
raimund@2898:         VLayout grid = new VLayout();
raimund@2898:         VLayout layout = (VLayout) super.createWidget(data);
raimund@2898:         Button add = new Button(MSG.add_date());
raimund@2898:         elements = new ListGrid();
raimund@2898: 
raimund@2898:         add.addClickHandler(new ClickHandler() {
christian@4131:             @Override
raimund@2898:             public void onClick(ClickEvent ce) {
rrenkert@7942:                 DateRange range = inputPanel.getValue();
rrenkert@7942:                 Date f = range.getStartDate();
rrenkert@7942:                 Date t = range.getEndDate();
raimund@2898:                 if (f == null || t == null) {
raimund@2898:                     return;
raimund@2898:                 }
raimund@2898:                 DateRangeRecord drr = new DateRangeRecord(f, t);
raimund@2898:                 elements.addData(drr);
raimund@2898:             }
raimund@2898:         });
raimund@2898:         layout.addMember(add);
raimund@2898: 
raimund@2898:         Label sel = new Label(MSG.select());
raimund@2898:         sel.setHeight(25);
raimund@2898:         elements.setWidth(185);
raimund@2898:         elements.setHeight(120);
raimund@2898:         elements.setShowHeaderContextMenu(false);
raimund@2898:         elements.setCanReorderFields(false);
raimund@2898:         elements.setCanSort(false);
raimund@2898:         elements.setCanEdit(false);
raimund@2898:         ListGridField from = new ListGridField("from", MSG.from());
raimund@2898:         ListGridField to = new ListGridField("to", MSG.to());
raimund@2898:         from.setWidth(70);
raimund@2898:         to.setWidth(70);
raimund@2898: 
raimund@2898:         final ListGridField removeField  =
raimund@2898:             new ListGridField("_removeRecord", "Remove Record"){{
raimund@2898:                 setType(ListGridFieldType.ICON);
raimund@2898:                 setIcon(GWT.getHostPageBaseURL() + MSG.removeFeature());
raimund@2898:                 setCanEdit(false);
raimund@2898:                 setCanFilter(false);
raimund@2898:                 setCanSort(false);
raimund@2898:                 setCanGroupBy(false);
raimund@2898:                 setCanFreeze(false);
raimund@2898:                 setWidth(25);
raimund@2898:         }};
raimund@2898: 
raimund@2898:         elements.addRecordClickHandler(new RecordClickHandler() {
christian@4131:                 @Override
raimund@2898:                 public void onRecordClick(final RecordClickEvent event) {
raimund@2898:                     // Just handle remove-clicks
tom@8856:                     if(!event.getField().getName()
tom@8856:                         .equals(removeField.getName())
tom@8856:                     ) {
raimund@2898:                         return;
raimund@2898:                     }
raimund@2898:                     event.getViewer().removeData(event.getRecord());
raimund@2898:                 }
raimund@2898:             });
raimund@2898: 
raimund@2898:         elements.setFields(from, to, removeField);
raimund@2898: 
raimund@2898:         grid.addMember(sel);
raimund@2898:         grid.addMember(elements);
raimund@2898:         input.addMember(layout);
raimund@2898:         input.addMember(grid);
raimund@2898:         root.addMember(input);
raimund@2898: 
andre@8627:         /* Check for a default element */
andre@8627:         Data periods = getData(data.getAll(), "periods");
andre@8627:         DataItem[] items = periods.getItems();
andre@8627:         if (items == null) {
andre@8627:             return root;
andre@8627:         }
andre@8627: 
andre@8627:         for (DataItem item: items) {
andre@8627:             if (!item.getLabel().equals("default")) {
andre@8627:                 continue;
andre@8627:             }
andre@8627:             String[] vals = item.getStringValue().split(",");
andre@8627:             long f = Long.valueOf(vals[0]).longValue();
andre@8627:             long t = Long.valueOf(vals[1]).longValue();
andre@8627:             inputPanel.setFromDate(new Date(f));
andre@8627:             inputPanel.setToDate(new Date(t));
andre@8627:         }
raimund@2898:         return root;
raimund@2898:     }
raimund@2898: 
christian@4131:     @SuppressWarnings("deprecation")
raimund@2898:     @Override
raimund@2898:     public Canvas createOld(DataList dataList) {
raimund@2898:         GWT.log("old............................");
raimund@2898:         HLayout layout = new HLayout();
raimund@2898:         layout.setWidth("400px");
raimund@2898:         VLayout vLayout = new VLayout();
raimund@2898:         vLayout.setWidth(130);
raimund@2898:         Label label = new Label(dataList.getLabel());
raimund@2898:         label.setWidth("200px");
raimund@2898:         label.setHeight(25);
raimund@2898: 
raimund@2898:         List<Data> items = dataList.getAll();
raimund@2898:         Data str = getData(items, "periods");
raimund@2898:         DataItem[] strItems = str.getItems();
raimund@2898: 
raimund@2898:         String[] pairs = strItems[0].getLabel().split(";");
raimund@2898:         for (int i = 0; i < pairs.length; i++) {
raimund@2898:             String[] vals = pairs[i].split(",");
raimund@2898:             long f = Long.valueOf(vals[0]).longValue();
raimund@2898:             long t = Long.valueOf(vals[1]).longValue();
raimund@2898:             Date from = new Date(f);
raimund@2898:             Date to = new Date(t);
raimund@2898:             String fromString =
raimund@2898:                 DateTimeFormat.getMediumDateFormat().format(from);
raimund@2898:             String toString =
raimund@2898:                 DateTimeFormat.getMediumDateFormat().format(to);
raimund@2898: 
raimund@2898:             Label dateLabel = new Label(fromString + " - " + toString);
raimund@2898:             dateLabel.setHeight(20);
raimund@2898:             vLayout.addMember(dateLabel);
raimund@2898:         }
raimund@2898:         Canvas back = getBackButton(dataList.getState());
raimund@2898:         layout.addMember(label);
raimund@2898:         layout.addMember(vLayout);
raimund@2898:         layout.addMember(back);
raimund@2898: 
raimund@2898:         return layout;
raimund@2898:     }
raimund@2898: 
raimund@2898: 
raimund@2898:     /**
raimund@2898:      * This method returns the selected data.
raimund@2898:      *
raimund@2898:      * @return the selected/inserted data.
raimund@2898:      */
christian@4131:     @Override
raimund@2898:     public Data[] getData() {
raimund@2898:         List<Data> data = new ArrayList<Data>();
raimund@2898: 
raimund@2898:         boolean valid = saveDateValues();
raimund@2898:         if(valid) {
raimund@2898:             DataItem item = new DefaultDataItem("periods", null, this.values);
raimund@2898:             data.add(new DefaultData(
raimund@2898:                         "periods",
raimund@2898:                         null,
raimund@2898:                         null,
raimund@2898:                         new DataItem[] { item }));
raimund@2898:         }
sascha@3379:         return data.toArray(new Data[data.size()]);
raimund@2898:     }
raimund@2898: 
raimund@2898: 
christian@4131:     @Override
raimund@2898:     protected boolean saveDateValues() {
raimund@2898:         ListGridRecord[] lgr = elements.getRecords();
raimund@2898:         if (lgr.length == 0) {
raimund@2898:             return false;
raimund@2898:         }
raimund@2898:         String data = "";
raimund@2898:         for (int i = 0; i < lgr.length; i++) {
raimund@2898:             DateRangeRecord drr = (DateRangeRecord) lgr[i];
raimund@2898:             data += drr.getFrom() + "," + drr.getTo();
raimund@2898:             data += ";";
raimund@2898:         }
raimund@2898:         values = data;
raimund@2898:         return true;
raimund@2898:     }
raimund@2898: 
raimund@2898: 
raimund@2898:     protected static class DateRangeRecord extends ListGridRecord {
raimund@2898:         protected Date from;
raimund@2898:         protected Date to;
raimund@2898: 
raimund@2898:         protected final static String FROM_FIELD = "from";
raimund@2898:         protected final static String TO_FIELD = "to";
raimund@2898: 
raimund@2898:         public DateRangeRecord (Date from, Date to) {
raimund@2898:             setFrom(from);
raimund@2898:             setTo(to);
raimund@2898:         }
raimund@2898: 
christian@4131:         @SuppressWarnings("deprecation")
raimund@2898:         public void setFrom(Date from) {
raimund@2898:             this.from = from;
raimund@2898:             setAttribute(
raimund@2898:                 FROM_FIELD,
raimund@2898:                 DateTimeFormat.getMediumDateFormat().format(from));
raimund@2898:         }
raimund@2898: 
raimund@2898: 
christian@4131:         @SuppressWarnings("deprecation")
raimund@2898:         public void setTo(Date to) {
raimund@2898:             this.to = to;
raimund@2898:             setAttribute(
raimund@2898:                 TO_FIELD,
raimund@2898:                 DateTimeFormat.getMediumDateFormat().format(to));
raimund@2898:         }
raimund@2898: 
raimund@2898: 
raimund@2898:         public long getFrom() {
raimund@2898:             return this.from.getTime();
raimund@2898:         }
raimund@2898: 
raimund@2898: 
raimund@2898:         public long getTo() {
raimund@2898:             return this.to.getTime();
raimund@2898:         }
raimund@2898:     }
raimund@2898: }