raimund@238: package de.intevation.flys.client.client.ui;
raimund@238: 
ingo@563: import java.util.ArrayList;
raimund@238: import java.util.List;
raimund@238: 
raimund@238: import com.google.gwt.core.client.GWT;
ingo@563: import com.google.gwt.i18n.client.NumberFormat;
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@238: import com.smartgwt.client.widgets.form.fields.FormItem;
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.DefaultData;
raimund@238: import de.intevation.flys.client.shared.model.DefaultDataItem;
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
raimund@238: extends      AbstractUIProvider
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: 
felix@1585:     /** A container that will contain the location or the distance panel. */
raimund@238:     protected HLayout container;
raimund@238: 
felix@1585:     /** The minimal value that the user is allowed to enter. */
ingo@563:     protected double min;
ingo@563: 
felix@1585:     /** The maximal value that the user is allowed to enter. */
ingo@563:     protected double max;
ingo@563: 
felix@1585:     /** The values entered in the location mode. */
raimund@238:     protected double[] values;
raimund@238: 
felix@1585:     /** The input panel for locations. */
raimund@238:     protected DoubleArrayPanel locationPanel;
raimund@238: 
raimund@238:     /** The table data. */
raimund@238:     protected DistanceInfoObject[] tableData;
raimund@238: 
felix@1586:     /** Name of the data item that keeps locations. */
felix@1586:     protected String DATA_ITEM_NAME = "ld_locations";
felix@1586: 
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) {
raimund@238:         VLayout layout = new VLayout();
raimund@238:         layout.setMembersMargin(10);
raimund@238: 
felix@1586:         Label label   = new Label(MSG.location ());
felix@1590:         //picker = new LocationPicker(this);
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: 
felix@1586:     /**
felix@1586:      * This method creates a Canvas element showing the old Data objects in the
felix@1586:      * DataList <i>data</i>.
felix@1586:      */
raimund@238:     public Canvas createOld(DataList dataList) {
raimund@238:         List<Data> items = dataList.getAll();
felix@1586:         Data dLocation = getData(items, DATA_ITEM_NAME);
raimund@242:         DataItem[] loc = dLocation.getItems();
raimund@238: 
raimund@238:         HLayout layout = new HLayout();
raimund@238:         layout.setWidth("400px");
raimund@238: 
felix@1586:         Label label = new Label(dataList.getLabel());
raimund@238:         label.setWidth("200px");
raimund@238: 
raimund@238:         Canvas back = getBackButton(dataList.getState());
raimund@238: 
raimund@242:         Label selected = new Label(loc[0].getLabel());
raimund@238:         selected.setWidth("130px");
raimund@238: 
raimund@238:         layout.addMember(label);
raimund@238:         layout.addMember(selected);
raimund@238:         layout.addMember(back);
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:         /*
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:         */
ingo@563: 
felix@1590:         if (false) {}
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: 
ingo@519:         DataItem def   = data.getDefault();
ingo@519:         String   value = def.getStringValue();
ingo@519: 
ingo@519:         try {
ingo@519:             double d = Double.parseDouble(value);
ingo@519:             setLocationValues(new double[] { d } );
ingo@519:         }
ingo@519:         catch (NumberFormatException nfe) {
ingo@519:             // could not parse, dont know what to do else
ingo@519:         }
raimund@238:     }
raimund@238: 
raimund@238: 
raimund@238:     /**
felix@1586:      * This method grabs the Data with name <i>name</i> from the list and
raimund@238:      * returns it.
raimund@238:      *
raimund@238:      * @param items A list of Data.
raimund@238:      * @param name The name of the Data that we are searching for.
raimund@238:      *
raimund@238:      * @return the Data with the name <i>name</i>.
raimund@238:      */
felix@1586:     @Override
raimund@238:     protected Data getData(List<Data> data, String name) {
raimund@238:         for (Data d: data) {
raimund@238:             if (name.equals(d.getLabel())) {
raimund@238:                 return d;
raimund@238:             }
raimund@238:         }
raimund@238: 
raimund@238:         return null;
raimund@238:     }
raimund@238: 
raimund@238: 
raimund@238:     protected Canvas createWidget(DataList data) {
raimund@238:         VLayout layout       = new VLayout();
raimund@238:         container            = new HLayout();
raimund@238: 
felix@1586:         // The initial view will display the location input mode.
raimund@238:         locationPanel = new DoubleArrayPanel(
felix@1586:             MSG.unitLocation(),
felix@1586:             getLocationValues(),
felix@1586:             new BlurHandler(){public void onBlur(BlurEvent be) {}});
raimund@863: 
felix@1590:         picker.getLocationTable().setAutoFetchData(true);
raimund@863: 
raimund@238:         container.addMember(locationPanel);
raimund@238: 
raimund@238:         layout.addMember(container);
raimund@238: 
raimund@238:         container.setMembersMargin(30);
raimund@238: 
felix@1590:         picker.prepareFilter();
raimund@1534: 
felix@1590:         helperContainer.addMember(picker.getLocationTable());
felix@1590:         helperContainer.addMember(picker.getFilterLayout());
felix@1590:         helperContainer.addMember(picker.getResultCountForm());
raimund@238:         createInputPanel();
raimund@238:         return layout;
raimund@238:     }
raimund@238: 
felix@1586: 
felix@1586:     @Override
ingo@563:     public List<String> validate() {
ingo@563:         List<String> errors = new ArrayList<String>();
ingo@563:         NumberFormat nf     = NumberFormat.getDecimalFormat();
ingo@563: 
ingo@563:         saveLocationValues(locationPanel);
ingo@563: 
ingo@563:         if (!locationPanel.validateForm()) {
felix@1586:             errors.add(MSG.wrongFormat());
ingo@563:             return errors;
ingo@563:         }
ingo@563: 
ingo@563:         double[] values = getLocationValues();
ingo@563:         double[] good   = new double[values.length];
ingo@563:         int      idx    = 0;
ingo@563: 
raimund@907:         if (values.length > 1) {
felix@1586:             errors.add(MSG.too_many_values());
raimund@907:         }
raimund@907: 
ingo@563:         for (double value: values) {
ingo@563:             if (value < min || value > max) {
felix@1586:                 String tmp = MSG.error_validate_range();
ingo@563:                 tmp = tmp.replace("$1", nf.format(value));
ingo@563:                 tmp = tmp.replace("$2", nf.format(min));
ingo@563:                 tmp = tmp.replace("$3", nf.format(max));
ingo@563:                 errors.add(tmp);
ingo@563:             }
ingo@563:             else {
ingo@563:                 good[idx++] = value;
ingo@563:             }
ingo@563:         }
ingo@563: 
ingo@563:         double[] justGood = new double[idx];
ingo@563:         for (int i = 0; i < justGood.length; i++) {
ingo@563:             justGood[i] = good[i];
ingo@563:         }
ingo@563: 
ingo@563:         if (!errors.isEmpty()) {
ingo@563:             locationPanel.setValues(justGood);
ingo@563:         }
ingo@563: 
ingo@563:         return errors;
ingo@563:     }
ingo@563: 
ingo@563: 
felix@1586:     /** Create simple DefaultData with single DataItem inside. */
felix@1586:     public DefaultData createDataArray(String name, String value) {
felix@1586:         DataItem item = new DefaultDataItem(
felix@1586:             name,
felix@1586:             name,
felix@1586:             value);
felix@1586: 
felix@1586:         return new DefaultData(name,
felix@1586:             null,
felix@1586:             null,
felix@1586:             new DataItem[] {item});
felix@1586:     }
felix@1586: 
felix@1586: 
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@1586:             data[i] = createDataArray(DATA_ITEM_NAME,
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: 
raimund@238:     /**
raimund@238:      * Validates and stores all values entered in the location mode.
raimund@238:      *
raimund@238:      * @param p The DoubleArrayPanel.
raimund@238:      */
raimund@238:     protected void saveLocationValues(DoubleArrayPanel p) {
raimund@238:         FormItem[] formItems = p.getFields();
raimund@238: 
raimund@238:         for (FormItem item: formItems) {
raimund@238:             if (item.getFieldName().equals(DoubleArrayPanel.FIELD_NAME)) {
raimund@238:                 saveLocationValue(p, item);
raimund@238:             }
raimund@238:         }
raimund@238:     }
raimund@238: 
raimund@238: 
raimund@238:     /**
raimund@238:      * Validates and stores a value entered in the location mode.
raimund@238:      *
raimund@238:      * @param p The DoubleArrayPanel.
raimund@238:      * @param item The item that needs to be validated.
raimund@238:      */
raimund@238:     protected void saveLocationValue(DoubleArrayPanel p, FormItem item) {
raimund@238:         if (p.validateForm(item)) {
raimund@238:             setLocationValues(p.getInputValues(item));
raimund@238:         }
raimund@238:     }
raimund@238: 
raimund@238: 
raimund@238:     protected void createInputPanel() {
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@1590:             url, /*river*/ "Saar" , "locations"));
raimund@238:     }
raimund@238: 
raimund@238: 
felix@1586:     /** Get the location values. */
raimund@238:     protected double[] getLocationValues() {
raimund@238:         return values;
raimund@238:     }
raimund@238: 
raimund@238: 
felix@1586:     /** Sets Location values and updates the panel. */
raimund@238:     protected void setLocationValues(double[] values) {
raimund@238:         this.values = values;
raimund@238:         locationPanel.setValues(values);
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 :