teichmann@5861: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5861:  * Software engineering by Intevation GmbH
teichmann@5861:  *
teichmann@5861:  * This file is Free Software under the GNU AGPL (>=v3) 
teichmann@5861:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5861:  * documentation coming with Dive4Elements River for details. 
teichmann@5861:  */
teichmann@5861: 
teichmann@5835: package org.dive4elements.river.client.client.ui;
felix@1612: 
felix@1612: import com.google.gwt.core.client.GWT;
felix@1612: import com.google.gwt.i18n.client.NumberFormat;
felix@1612: 
christian@4184: import com.smartgwt.client.data.Record;
felix@1612: import com.smartgwt.client.util.SC;
felix@1612: import com.smartgwt.client.widgets.Canvas;
felix@1612: import com.smartgwt.client.widgets.Label;
christian@4184: import com.smartgwt.client.widgets.form.fields.events.BlurEvent;
felix@1612: import com.smartgwt.client.widgets.form.fields.events.BlurHandler;
rrenkert@4221: import com.smartgwt.client.widgets.grid.events.CellClickEvent;
rrenkert@4221: import com.smartgwt.client.widgets.grid.events.CellClickHandler;
felix@1612: import com.smartgwt.client.widgets.layout.HLayout;
felix@1612: import com.smartgwt.client.widgets.layout.VLayout;
felix@1612: 
teichmann@5835: import org.dive4elements.river.client.client.Config;
teichmann@5835: import org.dive4elements.river.client.client.services.DistanceInfoService;
teichmann@5835: import org.dive4elements.river.client.client.services.DistanceInfoServiceAsync;
teichmann@5835: import org.dive4elements.river.client.client.ui.range.DistanceInfoDataSource;
teichmann@5835: import org.dive4elements.river.client.shared.DoubleUtils;
teichmann@5835: import org.dive4elements.river.client.shared.model.ArtifactDescription;
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.DistanceInfoObject;
teichmann@5835: import org.dive4elements.river.client.shared.model.RangeData;
felix@1612: 
christian@4184: import java.util.ArrayList;
christian@4184: import java.util.List;
felix@1612: 
felix@1612: 
felix@1612: /**
felix@1612:  * This UIProvider creates a widget to enter a single location (km).
felix@1612:  *
felix@1612:  * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
felix@1612:  */
felix@1612: public class MultipleLocationPanel
felix@1612: extends      LocationPanel
rrenkert@4221: implements   CellClickHandler
felix@1612: {
christian@4184:     private static final long serialVersionUID = -3359966826794082718L;
christian@4184: 
felix@1612:     /** The DistanceInfoService used to retrieve locations about rivers. */
felix@1612:     protected DistanceInfoServiceAsync distanceInfoService =
felix@1612:         GWT.create(DistanceInfoService.class);
felix@1612: 
felix@1612:     /** The table data. */
felix@1612:     protected DistanceInfoObject[] tableData;
felix@1612: 
felix@1612:     /** The input helper (usually right side, table to click on, values are
felix@1612:      * then entered in the texfield. */
felix@1612:     protected LocationPicker picker;
felix@1612: 
felix@1615: 
felix@1612:     /**
felix@1612:      * Creates a new LocationDistancePanel instance.
felix@1612:      */
felix@1612:     public MultipleLocationPanel() {
felix@1612:         picker = new LocationPicker(this);
felix@1612:     }
felix@1612: 
felix@1612: 
felix@1612:     /**
felix@1612:      * This method creates a widget that contains a label, a panel with
felix@1612:      * checkboxes to switch the input mode between location and distance input,
felix@1612:      * and a mode specific panel.
felix@1612:      *
felix@1612:      * @param data The data that might be inserted.
felix@1612:      *
felix@1612:      * @return a panel.
felix@1612:      */
felix@1612:     @Override
felix@1612:     public Canvas create(DataList data) {
felix@1612:         findDataItemName(data);
felix@1612: 
felix@1612:         VLayout layout = new VLayout();
felix@1612:         layout.setMembersMargin(10);
felix@1612: 
felix@1615:         // Take translated data item name as label, if translation available.
felix@1615:         String labelString;
felix@1615:         try {
felix@1615:             labelString = MSG.getString(getDataItemName());
felix@1615:         }
felix@1615:         catch(java.util.MissingResourceException mre) {
felix@1615:             GWT.log("Cannot find translation for data item name : " + getDataItemName());
raimund@3493:             labelString = getLabelString();
felix@1615:         }
felix@1615:         Label label   = new Label(labelString);
felix@1612:         Canvas widget = createWidget(data);
felix@1612:         Canvas submit = getNextButton();
felix@1612: 
felix@1612:         initDefaults(data);
felix@1612: 
felix@1612:         picker.createLocationTable();
felix@1612: 
felix@1612:         widget.setHeight(50);
felix@1612:         label.setHeight(25);
felix@1612: 
felix@1612:         layout.addMember(label);
felix@1612:         layout.addMember(widget);
felix@1612:         layout.addMember(submit);
felix@1612: 
felix@1612:         return layout;
felix@1612:     }
felix@1612: 
felix@1612: 
felix@1612:     /**
felix@1612:      * This method reads the default values defined in the DataItems of the Data
felix@1612:      * objects in <i>list</i>.
felix@1612:      *
felix@1612:      * @param list The DataList container that stores the Data objects.
felix@1612:      */
christian@4184:     @Override
felix@1612:     protected void initDefaults(DataList list) {
felix@1612:         Data data = list.get(0);
felix@1612: 
felix@1612:         // Compatibility with MinMax- DataItems:
felix@1612:         RangeData rangeData = null;
felix@1612: 
felix@1612:         for (int i = 0, n = list.size(); i < n; i++) {
felix@1612:             Data tmp = list.get(i);
felix@1612: 
felix@1612:             if (tmp instanceof RangeData) {
felix@1612:                 rangeData = (RangeData) tmp;
felix@1612:             }
felix@1612:         }
felix@1612: 
felix@1612:         if (rangeData != null) {
felix@1612:             min = Double.parseDouble(rangeData.getDefaultLower().toString());
felix@1612:             max = Double.parseDouble(rangeData.getDefaultUpper().toString());
felix@1612:             // catch ..?
felix@1612:         }
felix@1612:         else {
felix@1612:             DataItem[] items = data.getItems();
felix@1612:             DataItem   iMin  = getDataItem(items, "min");
felix@1612:             DataItem   iMax  = getDataItem(items, "max");
sascha@2905: 
felix@1612:             try {
felix@1612:                 min = Double.parseDouble(iMin.getStringValue());
felix@1612:                 max = Double.parseDouble(iMax.getStringValue());
felix@1612:             }
felix@1612:             catch (NumberFormatException nfe) {
felix@1612:                 SC.warn(MSG.error_read_minmax_values());
felix@1612:                 min = -Double.MAX_VALUE;
felix@1612:                 max = Double.MAX_VALUE;
felix@1612:             }
felix@1612:         }
felix@1612: 
felix@1612:         DataItem def = data.getDefault();
felix@1612:         if (def != null) {
felix@1612:             String value = def.getStringValue();
felix@1612: 
felix@1612:             try {
felix@1612:                 double d = Double.parseDouble(value);
felix@1612:                 setLocationValues(new double[] { d } );
felix@1612:             }
felix@1612:             catch (NumberFormatException nfe) {
felix@1612:                 // could not parse, dont know what to do else
felix@1612:             }
felix@1612:         }
felix@1612:     }
felix@1612: 
felix@1612: 
christian@4184:     @Override
felix@1612:     protected Canvas createWidget(DataList data) {
felix@1612:         VLayout layout = new VLayout();
felix@1612:         inputLayout    = new HLayout();
felix@1612: 
felix@1612:         // The initial view will display the location input mode.
felix@1612:         locationPanel = new DoubleArrayPanel(
felix@1612:             MSG.unitLocation(),
felix@1612:             getLocationValues(),
christian@4184:             new BlurHandler(){@Override
christian@4184:             public void onBlur(BlurEvent be) {validate();}});
felix@1612: 
felix@1612:         picker.getLocationTable().setAutoFetchData(true);
felix@1612: 
felix@1612:         inputLayout.addMember(locationPanel);
felix@1612: 
felix@1612:         layout.addMember(inputLayout);
felix@1612: 
felix@1612:         inputLayout.setMembersMargin(30);
felix@1612: 
felix@1612:         picker.prepareFilter();
felix@1612: 
felix@1612:         helperContainer.addMember(picker.getLocationTable());
felix@1612:         helperContainer.addMember(picker.getFilterLayout());
felix@1612:         helperContainer.addMember(picker.getResultCountForm());
felix@1612:         setPickerDataSource();
felix@1612:         return layout;
felix@1612:     }
felix@1612: 
felix@1612: 
felix@1612:     /** Overridden to restrict to one entered value. */
felix@1612:     @Override
felix@1612:     public List<String> validate() {
felix@1612:         List<String> errors = new ArrayList<String>();
felix@1612:         NumberFormat nf     = NumberFormat.getDecimalFormat();
felix@1612: 
raimund@3539:         DataList[] ref = artifact.getArtifactDescription().getOldData();
raimund@3539:         String mode = ref[1].get(0).getStringValue();
raimund@3539: 
felix@1612:         saveLocationValues(locationPanel);
felix@1612: 
felix@1612:         if (!locationPanel.validateForm()) {
felix@1612:             errors.add(MSG.wrongFormat());
felix@1612:             return errors;
felix@1612:         }
felix@1612: 
felix@1618:         double[] lValues = getLocationValues();
felix@1618:         double[] good   = new double[lValues.length];
felix@1612:         int      idx    = 0;
felix@1612: 
raimund@3539:         double reference =
raimund@3539:             Double.valueOf(ref[2].get(0).getStringValue()).doubleValue();
felix@1618:         for (double value: lValues) {
raimund@3539:             if (mode.equals("calc.reference.curve") &&
raimund@3539:                 value == reference) {
raimund@3539:                 errors.add(MSG.error_contains_same_location());
raimund@3539:                 return errors;
raimund@3539:             }
felix@1612:             if (value < min || value > max) {
felix@1612:                 String tmp = MSG.error_validate_range();
felix@1612:                 tmp = tmp.replace("$1", nf.format(value));
felix@1612:                 tmp = tmp.replace("$2", nf.format(min));
felix@1612:                 tmp = tmp.replace("$3", nf.format(max));
felix@1612:                 errors.add(tmp);
felix@1612:             }
felix@1612:             else {
felix@1612:                 good[idx++] = value;
felix@1612:             }
felix@1612:         }
felix@1612: 
felix@1612:         double[] justGood = new double[idx];
felix@1612:         for (int i = 0; i < justGood.length; i++) {
felix@1612:             justGood[i] = good[i];
felix@1612:         }
felix@1612: 
felix@1612:         if (!errors.isEmpty()) {
felix@1612:             locationPanel.setValues(justGood);
felix@1612:         }
felix@1612: 
felix@1612:         return errors;
felix@1612:     }
felix@1612: 
felix@1612: 
felix@1612:     /**
felix@1615:      * This method returns the selected data (to feed).
felix@1612:      *
felix@1615:      * @return the selected/inserted data in feedable form.
felix@1612:      */
christian@4184:     @Override
felix@1612:     public Data[] getData() {
felix@1612:         saveLocationValues(locationPanel);
felix@1618:         double[] lValues     = getLocationValues();
felix@1612:         Data[]   data        = new Data[2];
felix@1612:         boolean  first       = true;
felix@1612:         String   valueString = "";
felix@1612: 
felix@1618:         for (int i = 0; i < lValues.length; i++) {
felix@1612:             if (!first) valueString += " ";
felix@1612:             else first = false;
felix@1618:             valueString += Double.valueOf(lValues[i]).toString();
felix@1612:         }
felix@1612: 
felix@1612:         data[0] = createDataArray(getDataItemName(), valueString);
felix@1612: 
felix@1612:         data[1] = createDataArray("ld_mode", "locations");
felix@1612: 
felix@1612:         return data;
felix@1612:     }
felix@1612: 
felix@1612: 
felix@1612:     /** Hook service to the listgrid with possible input values. */
felix@1612:     protected void setPickerDataSource() {
felix@1612:         Config config = Config.getInstance();
felix@1612:         String url    = config.getServerUrl();
felix@1612:         String river  = "";
felix@1612: 
felix@1612:         ArtifactDescription adescr = artifact.getArtifactDescription();
felix@1612:         DataList[] data = adescr.getOldData();
felix@1612: 
felix@1612:         // Try to find a "river" data item to set the source for the
felix@1612:         // list grid.
raimund@2898:         String dataFilter = "locations";
felix@1612:         if (data != null && data.length > 0) {
felix@1612:             for (int i = 0; i < data.length; i++) {
felix@1612:                 DataList dl = data[i];
raimund@2898:                 if (dl.getState().equals("state.minfo.river")) {
raimund@2898:                     dataFilter = "measuringpoint";
raimund@2898:                 }
felix@1612:                 if (dl.getState().equals("state.winfo.river") ||
raimund@2898:                     dl.getState().equals("state.chart.river") ||
raimund@2898:                     dl.getState().equals("state.minfo.river")) {
felix@1612:                     for (int j = 0; j < dl.size(); j++) {
felix@1612:                         Data d = dl.get(j);
felix@1612:                         DataItem[] di = d.getItems();
felix@1612:                         if (di != null && di.length == 1) {
felix@1612:                            river = d.getItems()[0].getStringValue();
felix@1612:                            break;
felix@1612:                         }
felix@1612:                     }
felix@1612:                 }
felix@1612:             }
felix@1612:         }
felix@1612: 
felix@1612:         picker.getLocationTable().setDataSource(new DistanceInfoDataSource(
raimund@2898:             url, river, dataFilter));
felix@1612:     }
felix@1612: 
felix@1615: 
felix@1612:     // TODO allow multiple selections here or in LocationPanel
felix@1612:     /**
felix@1612:      * Callback when an item from the input helper was clicked.
felix@1612:      * Set the respective km-value in the location value field.
felix@1612:      * @param e event passed.
felix@1612:      */
christian@4184:     @Override
rrenkert@4221:     public void onCellClick (CellClickEvent e) {
felix@1617:         Record record     = e.getRecord();
felix@1617:         double[] old      = getLocationValues();
felix@1617:         double[] selected = DoubleUtils.copyOf(old, old.length + 1);
felix@1612:         try {
felix@1617:             selected[old.length] =
felix@1612:                 Double.parseDouble(record.getAttribute("from"));
felix@1612:         }
felix@1612:         catch(NumberFormatException nfe) {
felix@1612:             // Is there anything else to do here?
christian@4184:             GWT.log(nfe.getMessage());
felix@1612:         }
raimund@3539: 
raimund@3539:         // compare reference location and target location.
raimund@3539:         DataList[] ref = artifact.getArtifactDescription().getOldData();
raimund@3539:         String mode = ref[1].get(0).getStringValue();
raimund@3539:         if (mode.equals("calc.reference.curve") &&
raimund@3539:             ref[2].get(0).getStringValue().equals(record.getAttribute("from")))
raimund@3539:         {
raimund@3539:             SC.warn(MSG.error_same_location());
raimund@3539:             return;
raimund@3539:         }
raimund@3539: 
felix@1612:         setLocationValues(selected);
felix@1612:     }
raimund@3493: 
felix@4980: 
raimund@3493:     /**
raimund@3493:      * Returns the label string for the input panel.
raimund@3493:      */
raimund@3493:     protected String getLabelString() {
raimund@3493:         return MSG.location();
raimund@3493:     }
felix@1612: }
felix@1612: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :