raimund@238: package de.intevation.flys.client.client.ui;
raimund@238: 
raimund@238: import com.google.gwt.core.client.GWT;
raimund@238: 
ingo@563: import com.smartgwt.client.util.SC;
raimund@238: import com.smartgwt.client.widgets.Canvas;
raimund@238: import com.smartgwt.client.widgets.Label;
raimund@238: import com.smartgwt.client.widgets.form.fields.events.BlurHandler;
raimund@238: import com.smartgwt.client.widgets.form.fields.events.BlurEvent;
raimund@1534: 
raimund@238: import com.smartgwt.client.widgets.layout.HLayout;
raimund@238: import com.smartgwt.client.widgets.layout.VLayout;
raimund@906: 
raimund@238: import com.smartgwt.client.widgets.grid.events.RecordClickHandler;
raimund@238: import com.smartgwt.client.widgets.grid.events.RecordClickEvent;
raimund@1538: 
raimund@863: import com.smartgwt.client.data.Record;
raimund@238: 
felix@1590: import de.intevation.flys.client.shared.model.ArtifactDescription;
raimund@238: import de.intevation.flys.client.shared.model.Data;
raimund@238: import de.intevation.flys.client.shared.model.DataItem;
raimund@238: import de.intevation.flys.client.shared.model.DataList;
raimund@238: import de.intevation.flys.client.shared.model.DistanceInfoObject;
felix@1590: import de.intevation.flys.client.shared.model.RangeData;
raimund@238: 
raimund@238: import de.intevation.flys.client.client.services.DistanceInfoService;
raimund@238: import de.intevation.flys.client.client.services.DistanceInfoServiceAsync;
raimund@238: import de.intevation.flys.client.client.Config;
raimund@863: import de.intevation.flys.client.client.ui.range.DistanceInfoDataSource;
raimund@238: 
raimund@238: 
raimund@238: /**
felix@1590:  * This UIProvider creates a widget to enter a single location (km).
raimund@238:  *
raimund@238:  * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
raimund@238:  */
raimund@238: public class SingleLocationPanel
felix@1591: extends      LocationPanel
felix@1590: implements   RecordClickHandler
raimund@238: {
felix@1585:     /** The DistanceInfoService used to retrieve locations about rivers. */
raimund@238:     protected DistanceInfoServiceAsync distanceInfoService =
raimund@238:         GWT.create(DistanceInfoService.class);
raimund@238: 
raimund@238:     /** The table data. */
raimund@238:     protected DistanceInfoObject[] tableData;
raimund@238: 
felix@1590:     /** The input helper (usually right side, table to click on, values are
felix@1590:      * then entered in the texfield. */
felix@1590:     protected LocationPicker picker;
felix@1586: 
raimund@238:     /**
raimund@238:      * Creates a new LocationDistancePanel instance.
raimund@238:      */
raimund@238:     public SingleLocationPanel() {
felix@1590:         picker = new LocationPicker(this);
raimund@238:     }
raimund@238: 
raimund@238: 
raimund@238:     /**
raimund@238:      * This method creates a widget that contains a label, a panel with
raimund@238:      * checkboxes to switch the input mode between location and distance input,
felix@1585:      * and a mode specific panel.
raimund@238:      *
raimund@238:      * @param data The data that might be inserted.
raimund@238:      *
raimund@238:      * @return a panel.
raimund@238:      */
felix@1586:     @Override
raimund@238:     public Canvas create(DataList data) {
felix@1593:         findDataItemName(data);
felix@1593: 
raimund@238:         VLayout layout = new VLayout();
raimund@238:         layout.setMembersMargin(10);
raimund@238: 
felix@1586:         Label label   = new Label(MSG.location ());
raimund@238:         Canvas widget = createWidget(data);
raimund@238:         Canvas submit = getNextButton();
raimund@238: 
ingo@519:         initDefaults(data);
ingo@519: 
felix@1590:         picker.createLocationTable();
raimund@238: 
raimund@238:         widget.setHeight(50);
raimund@238:         label.setHeight(25);
raimund@238: 
raimund@238:         layout.addMember(label);
raimund@238:         layout.addMember(widget);
raimund@238:         layout.addMember(submit);
raimund@238: 
raimund@238:         return layout;
raimund@238:     }
raimund@238: 
raimund@238: 
raimund@238:     /**
raimund@238:      * This method reads the default values defined in the DataItems of the Data
raimund@238:      * objects in <i>list</i>.
raimund@238:      *
raimund@238:      * @param list The DataList container that stores the Data objects.
raimund@238:      */
raimund@238:     protected void initDefaults(DataList list) {
ingo@519:         Data data = list.get(0);
ingo@519: 
felix@1590:         // Compatibility with MinMax- DataItems:
felix@1590:         RangeData rangeData = null;
felix@1590: 
felix@1590:         for (int i = 0, n = list.size(); i < n; i++) {
felix@1590:             Data tmp = list.get(i);
felix@1590: 
felix@1590:             if (tmp instanceof RangeData) {
felix@1590:                 rangeData = (RangeData) tmp;
felix@1590:             }
ingo@519:         }
ingo@519: 
felix@1590:         if (rangeData != null) {
felix@1590:             min = Double.parseDouble(rangeData.getDefaultLower().toString());
felix@1590:             max = Double.parseDouble(rangeData.getDefaultUpper().toString());
felix@1590:             // catch ..?
felix@1590:         }
felix@1590:         else {
felix@1590:             DataItem[] items = data.getItems();
felix@1590:             DataItem   iMin  = getDataItem(items, "min");
felix@1590:             DataItem   iMax  = getDataItem(items, "max");
felix@1590:     
felix@1590:             try {
felix@1590:                 min = Double.parseDouble(iMin.getStringValue());
felix@1590:                 max = Double.parseDouble(iMax.getStringValue());
felix@1590:             }
felix@1590:             catch (NumberFormatException nfe) {
felix@1590:                 SC.warn(MSG.error_read_minmax_values());
felix@1590:                 min = -Double.MAX_VALUE;
felix@1590:                 max = Double.MAX_VALUE;
felix@1590:             }
ingo@563:         }
ingo@563: 
felix@1593:         DataItem def = data.getDefault();
felix@1593:         if (def != null) {
felix@1593:             String value = def.getStringValue();
ingo@519: 
felix@1593:             try {
felix@1593:                 double d = Double.parseDouble(value);
felix@1593:                 setLocationValues(new double[] { d } );
felix@1593:             }
felix@1593:             catch (NumberFormatException nfe) {
felix@1593:                 // could not parse, dont know what to do else
felix@1593:             }
ingo@519:         }
raimund@238:     }
raimund@238: 
raimund@238: 
felix@1591:     protected Canvas createWidget(DataList data) {
felix@1591:         VLayout layout = new VLayout();
felix@1593:         inputLayout    = new HLayout();
felix@1591: 
felix@1591:         // The initial view will display the location input mode.
felix@1591:         locationPanel = new DoubleArrayPanel(
felix@1591:             MSG.unitLocation(),
felix@1591:             getLocationValues(),
felix@1591:             new BlurHandler(){public void onBlur(BlurEvent be) {}});
felix@1591: 
felix@1591:         picker.getLocationTable().setAutoFetchData(true);
felix@1591: 
felix@1591:         inputLayout.addMember(locationPanel);
felix@1591: 
felix@1591:         layout.addMember(inputLayout);
felix@1591: 
felix@1591:         inputLayout.setMembersMargin(30);
felix@1591: 
felix@1591:         picker.prepareFilter();
felix@1591: 
felix@1591:         helperContainer.addMember(picker.getLocationTable());
felix@1591:         helperContainer.addMember(picker.getFilterLayout());
felix@1591:         helperContainer.addMember(picker.getResultCountForm());
felix@1591:         setPickerDataSource();
felix@1591:         return layout;
felix@1591:     }
felix@1591: 
felix@1591: 
raimund@238:     /**
raimund@238:      * This method returns the selected data.
raimund@238:      *
raimund@238:      * @return the selected/inserted data.
raimund@238:      */
raimund@238:     public Data[] getData() {
raimund@242:         saveLocationValues(locationPanel);
raimund@238:         double[] values = getLocationValues();
ingo@1387:         Data[] data = new Data[values.length+1];
felix@1586: 
raimund@238:         for (int i = 0; i < values.length; i++) {
felix@1593:             data[i] = createDataArray(getDataItemName(),
raimund@238:                 Double.valueOf(values[i]).toString());
raimund@238:         }
felix@1586:         data[values.length] = createDataArray("ld_mode", "locations");
ingo@1387: 
raimund@238:         return data;
raimund@238:     }
raimund@238: 
raimund@238: 
felix@1591:     /** Hook service to the listgrid with possible input values. */
felix@1591:     protected void setPickerDataSource() {
raimund@238:         Config config = Config.getInstance();
raimund@238:         String url    = config.getServerUrl();
raimund@238:         String river  = "";
raimund@238: 
raimund@238:         ArtifactDescription adescr = artifact.getArtifactDescription();
raimund@238:         DataList[] data = adescr.getOldData();
raimund@238: 
felix@1586:         // Try to find a "river" data item to set the source for the
felix@1586:         // list grid.
raimund@238:         if (data != null && data.length > 0) {
raimund@238:             for (int i = 0; i < data.length; i++) {
raimund@238:                 DataList dl = data[i];
raimund@1526:                 if (dl.getState().equals("state.winfo.river") ||
raimund@1526:                     dl.getState().equals("state.chart.river")) {
raimund@238:                     for (int j = 0; j < dl.size(); j++) {
raimund@238:                         Data d = dl.get(j);
raimund@238:                         DataItem[] di = d.getItems();
raimund@238:                         if (di != null && di.length == 1) {
raimund@238:                            river = d.getItems()[0].getStringValue();
sascha@276:                            break;
raimund@238:                         }
raimund@238:                     }
raimund@238:                 }
raimund@238:             }
raimund@238:         }
raimund@238: 
felix@1590:         picker.getLocationTable().setDataSource(new DistanceInfoDataSource(
felix@1591:             url, river, "locations"));
raimund@238:     }
felix@1590: 
felix@1590: 
felix@1590:     /**
felix@1590:      * Callback when an item from the input helper was clicked.
felix@1590:      * Set the respective km-value in the location value field.
felix@1590:      * @param e event passed.
felix@1590:      */
felix@1590:     public void onRecordClick (RecordClickEvent e) {
felix@1590:         Record record = e.getRecord();
felix@1590:         double[] selected = new double[1];
felix@1590:         try {
felix@1590:             selected[0] =
felix@1590:                 Double.parseDouble(record.getAttribute("from"));
felix@1590:         }
felix@1590:         catch(NumberFormatException nfe) {
felix@1590:             // Is there anything else to do here?
felix@1590:         }
felix@1590:         setLocationValues(selected);
felix@1590:     }
raimund@238: }
raimund@238: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :