andre@8231: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
andre@8231:  * Software engineering by Intevation GmbH
andre@8231:  *
andre@8231:  * This file is Free Software under the GNU AGPL (>=v3)
andre@8231:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
andre@8231:  * documentation coming with Dive4Elements River for details.
andre@8231:  */
andre@8231: 
andre@8231: package org.dive4elements.river.client.client.ui.minfo;
andre@8231: 
andre@8231: import java.util.ArrayList;
andre@8231: import java.util.List;
andre@8231: 
andre@8231: import com.google.gwt.core.client.GWT;
andre@8231: import com.google.gwt.user.client.rpc.AsyncCallback;
andre@8231: import com.smartgwt.client.data.Record;
andre@8231: import com.smartgwt.client.types.ListGridFieldType;
andre@8231: import com.smartgwt.client.types.SelectionAppearance;
andre@8231: import com.smartgwt.client.types.SelectionStyle;
andre@8231: import com.smartgwt.client.util.SC;
andre@8231: import com.smartgwt.client.widgets.Canvas;
andre@8231: import com.smartgwt.client.widgets.Label;
andre@8231: import com.smartgwt.client.widgets.grid.ListGrid;
andre@8231: import com.smartgwt.client.widgets.grid.ListGridField;
andre@8231: import com.smartgwt.client.widgets.grid.ListGridRecord;
andre@8231: import com.smartgwt.client.widgets.layout.HLayout;
andre@8231: import com.smartgwt.client.widgets.layout.VLayout;
andre@8231: 
andre@8231: import org.dive4elements.river.client.client.Config;
andre@8231: import org.dive4elements.river.client.client.services.SedimentLoadInfoService;
andre@8231: import org.dive4elements.river.client.client.services.SedimentLoadInfoServiceAsync;
andre@8231: import org.dive4elements.river.client.client.ui.PeriodPanel;
andre@8231: import org.dive4elements.river.client.shared.model.ArtifactDescription;
andre@8231: import org.dive4elements.river.client.shared.model.Data;
andre@8231: import org.dive4elements.river.client.shared.model.DataItem;
andre@8231: import org.dive4elements.river.client.shared.model.DataList;
andre@8231: import org.dive4elements.river.client.shared.model.DefaultData;
andre@8231: import org.dive4elements.river.client.shared.model.DefaultDataItem;
andre@8231: import org.dive4elements.river.client.shared.model.SedimentLoadInfoObject;
andre@8231: import org.dive4elements.river.client.shared.model.SedimentLoadInfoRecord;
andre@8231: 
andre@8231: /** Show input to select an official epoch. */
andre@8231: public class SedLoadSQTiPanel
andre@8234: extends PeriodPanel
andre@8231: {
andre@8234:     protected SedimentLoadInfoServiceAsync sedLoadInfoService =
andre@8234:         GWT.create(SedimentLoadInfoService.class);
andre@8234: 
andre@8234:     protected ListGrid sedLoadTable;
andre@8234: 
andre@8234:         /** Creates layout with title. */
andre@8234:     public Canvas createWidget(DataList data) {
andre@8234:         VLayout root = new VLayout();
andre@8234: 
andre@8234:         Label title = new Label(data.get(0).getDescription());
andre@8234:         title.setHeight("25px");
andre@8234: 
andre@8234:         root.addMember(title);
andre@8234: 
andre@8234:         return root;
andre@8234:     }
andre@8234: 
andre@8234:     /** Create layout for data entered previously. */
andre@8234:     @Override
andre@8234:     public Canvas createOld(DataList dataList) {
andre@8234:         HLayout layout = new HLayout();
andre@8234:         layout.setWidth("400px");
andre@8234:         VLayout vLayout = new VLayout();
andre@8234:         vLayout.setWidth(130);
andre@8234:         Label label = new Label(dataList.getLabel());
andre@8234:         label.setWidth("200px");
andre@8234:         label.setHeight(25);
andre@8234: 
andre@8234:         List<Data> items = dataList.getAll();
andre@8234:         Data str = getData(items, "sq_ti_date");
andre@8234:         DataItem[] strItems = str.getItems();
andre@8234: 
andre@8234:         String dateString = strItems[0].getStringValue();
andre@8234:         Label dateLabel = new Label(dateString);
andre@8234:         dateLabel.setHeight(20);
andre@8234:         vLayout.addMember(dateLabel);
andre@8234:         Canvas back = getBackButton(dataList.getState());
andre@8234:         layout.addMember(label);
andre@8234:         layout.addMember(vLayout);
andre@8234:         layout.addMember(back);
andre@8234: 
tom@8856:         GWT.log("Old data: " + strItems[0].getDescription()
tom@8856:             + " label " + strItems[0].getLabel()
tom@8856:             + " value: " + strItems[0].getStringValue());
andre@8234: 
andre@8234:         return layout;
andre@8234:     }
andre@8234: 
andre@8234:     public Canvas create(DataList data) {
andre@8234:         VLayout layout = new VLayout();
andre@8234:         Canvas helper = createHelper();
andre@8234:         this.helperContainer.addMember(helper);
andre@8234: 
andre@8234:         Canvas submit = getNextButton();
andre@8234:         Canvas widget = createWidget(data);
andre@8234: 
andre@8234:         layout.addMember(widget);
andre@8234:         layout.addMember(submit);
andre@8234: 
andre@8234:         fetchSedimentLoadData();
andre@8234: 
andre@8234:         return layout;
andre@8234:     }
andre@8234: 
andre@8231:     /** Creates the helper grid in which off epochs can be selected. */
andre@8231:     protected Canvas createHelper() {
andre@8231:         sedLoadTable = new ListGrid();
andre@8231:         sedLoadTable.setShowHeaderContextMenu(false);
andre@8231:         sedLoadTable.setWidth100();
andre@8231:         sedLoadTable.setShowRecordComponents(true);
andre@8231:         sedLoadTable.setShowRecordComponentsByCell(true);
andre@8231:         sedLoadTable.setHeight100();
andre@8231:         sedLoadTable.setEmptyMessage(MSG.empty_table());
andre@8231:         sedLoadTable.setCanReorderFields(false);
andre@8231:         sedLoadTable.setSelectionAppearance(SelectionAppearance.CHECKBOX);
andre@8231:         sedLoadTable.setSelectionType(SelectionStyle.SINGLE);
andre@8231: 
andre@8234:         ListGridField date = new ListGridField("sq_ti_date", MSG.year());
andre@8231:         date.setType(ListGridFieldType.TEXT);
andre@8231:         date.setWidth(100);
andre@8231: 
andre@8231:         sedLoadTable.setFields(date);
andre@8231:         return sedLoadTable;
andre@8231:     }
andre@8231: 
andre@8231:     /** Get data via listgrid selection. */
andre@8231:     @Override
andre@8231:     public Data[] getData() {
andre@8231:         List<Data> data = new ArrayList<Data>();
andre@8231: 
andre@8231:         ListGridRecord[] lgr = sedLoadTable.getSelectedRecords();
andre@8231:         if (lgr.length == 0) {
andre@8231:             GWT.log("returning empty data.");
andre@8231:             return new Data[0];
andre@8231:         }
andre@8231:         String d = "";
andre@8234:         String desc = "";
andre@8231:         for (int i = 0; i < lgr.length; i++) {
andre@8231:             /* Should only be one item as this is single selection */
andre@8231:             Record r = (Record) lgr[i];
andre@8231:             d = r.getAttribute("sq_ti_id");
andre@8234:             desc = r.getAttribute("sq_ti_date");
andre@8234:             GWT.log("Got attribute sq_ti_id : " + d + " desc: " + desc);
andre@8231:         }
andre@8234:         DataItem item = new DefaultDataItem("sq_ti_id", "this is ignored", d);
tom@8856:         DataItem dateLabel = new DefaultDataItem(
tom@8856:             "sq_ti_date", "this is ignored", desc);
andre@8234:         data.add(new DefaultData(
andre@8234:                     "sq_ti_id",
andre@8234:                     null,
andre@8234:                     null,
andre@8234:                     new DataItem[] { item }));
andre@8234:         data.add(new DefaultData(
andre@8234:                     "sq_ti_date",
andre@8234:                     null,
andre@8234:                     null,
andre@8234:                     new DataItem[] { dateLabel }));
andre@8231:         return data.toArray(new Data[data.size()]);
andre@8231:     }
andre@8231: 
andre@8231:     /** Fetch load info from service and populate table. */
andre@8231:     protected void fetchSedimentLoadData() {
andre@8231:         Config config = Config.getInstance();
andre@8231:         String locale = config.getLocale ();
andre@8231: 
andre@8231:         ArtifactDescription adescr = artifact.getArtifactDescription();
andre@8231:         DataList[] data = adescr.getOldData();
andre@8231: 
andre@8231:         double[] km = artifact.getArtifactDescription().getKMRange();
andre@8231:         String river = artifact.getArtifactDescription().getRiver();
andre@8231: 
tom@8856:         sedLoadInfoService.getSedimentLoadInfo(
tom@8856:             locale, river, "sq_time_intervals", km[0], km[1], "",
andre@8231:             new AsyncCallback<SedimentLoadInfoObject[]>() {
andre@8231:                 public void onFailure(Throwable caught) {
andre@8231:                     GWT.log("Could not receive sediment load informations.");
andre@8712:                     SC.warn(MSG.getString(caught.getMessage()));
andre@8231:                 }
andre@8231: 
andre@8231:                 public void onSuccess(SedimentLoadInfoObject[] sedLoad) {
andre@8231:                     int num = sedLoad != null ? sedLoad.length :0;
andre@8231:                     GWT.log("Received " + num + " sediment load informations.");
andre@8231: 
andre@8231:                     if (num == 0) {
andre@8231:                         return;
andre@8231:                     }
andre@8231: 
andre@8231:                     addSedimentLoadInfo(sedLoad);
andre@8231:                 }
andre@8231:             }
andre@8231:         );
andre@8231:     }
andre@8234: 
andre@8234:     /** Add record to input helper listgrid. */
andre@8234:     protected void addSedimentLoadInfo (SedimentLoadInfoObject[] sedLoad) {
andre@8234:         for(SedimentLoadInfoObject sl: sedLoad) {
andre@8234:             SedimentLoadInfoRecord rec = new SedimentLoadInfoRecord(sl);
andre@8234:             sedLoadTable.addData(rec);
andre@8234:         }
andre@8234:         if (sedLoad.length == 1) {
andre@8234:             /* Preselect lists with only one load. */
andre@8234:             sedLoadTable.selectRecords(new int[] {0});
andre@8234:         }
andre@8234:     }
andre@8231: }
andre@8231: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :