ingo@41: package de.intevation.flys.client.client.ui;
ingo@41: 
ingo@43: import java.util.LinkedHashMap;
ingo@53: import java.util.List;
ingo@41: 
ingo@41: import com.google.gwt.core.client.GWT;
raimund@235: import com.google.gwt.user.client.rpc.AsyncCallback;
ingo@41: 
ingo@41: import com.smartgwt.client.widgets.Canvas;
ingo@41: import com.smartgwt.client.widgets.Label;
ingo@41: import com.smartgwt.client.widgets.form.DynamicForm;
ingo@41: import com.smartgwt.client.widgets.form.fields.events.BlurHandler;
ingo@41: import com.smartgwt.client.widgets.form.fields.events.BlurEvent;
ingo@41: import com.smartgwt.client.widgets.form.fields.events.ChangeHandler;
ingo@41: import com.smartgwt.client.widgets.form.fields.events.ChangeEvent;
ingo@41: import com.smartgwt.client.widgets.form.fields.FormItem;
ingo@41: import com.smartgwt.client.widgets.form.fields.RadioGroupItem;
ingo@41: import com.smartgwt.client.widgets.layout.HLayout;
ingo@41: import com.smartgwt.client.widgets.layout.VLayout;
raimund@235: import com.smartgwt.client.widgets.grid.ListGrid;
raimund@235: import com.smartgwt.client.widgets.grid.ListGridField;
raimund@235: import com.smartgwt.client.widgets.grid.ListGridRecord;
raimund@235: import com.smartgwt.client.widgets.grid.events.RecordClickHandler;
raimund@235: import com.smartgwt.client.widgets.grid.events.RecordClickEvent;
raimund@235: import com.smartgwt.client.widgets.grid.events.CellClickHandler;
raimund@235: import com.smartgwt.client.widgets.grid.events.CellClickEvent;
raimund@235: 
raimund@235: import com.smartgwt.client.widgets.tab.TabSet;
raimund@235: import com.smartgwt.client.widgets.tab.Tab;
raimund@235: import com.smartgwt.client.data.Record;
raimund@235: 
raimund@235: import com.smartgwt.client.types.ListGridFieldType;
ingo@41: 
ingo@41: import de.intevation.flys.client.shared.model.Data;
ingo@46: import de.intevation.flys.client.shared.model.DataItem;
ingo@51: import de.intevation.flys.client.shared.model.DataList;
ingo@46: import de.intevation.flys.client.shared.model.DefaultData;
ingo@46: import de.intevation.flys.client.shared.model.DefaultDataItem;
raimund@235: import de.intevation.flys.client.shared.model.DistanceInfoObject;
raimund@235: import de.intevation.flys.client.shared.model.DistanceInfoRecord;
raimund@235: import de.intevation.flys.client.shared.model.ArtifactDescription;
raimund@235: 
raimund@235: import de.intevation.flys.client.client.services.DistanceInfoService;
raimund@235: import de.intevation.flys.client.client.services.DistanceInfoServiceAsync;
ingo@211: import de.intevation.flys.client.client.FLYSConstants;
raimund@235: import de.intevation.flys.client.client.FLYSImages;
raimund@235: import de.intevation.flys.client.client.Config;
ingo@41: 
ingo@41: 
ingo@41: /**
ingo@41:  * This UIProvider creates a widget to enter locations or a distance.
ingo@41:  *
ingo@41:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
ingo@41:  */
ingo@41: public class LocationDistancePanel
ingo@41: extends      AbstractUIProvider
ingo@41: implements   ChangeHandler, BlurHandler
ingo@41: {
ingo@41:     /** The message class that provides i18n strings.*/
ingo@211:     protected FLYSConstants MESSAGES = GWT.create(FLYSConstants.class);
ingo@41: 
raimund@235:     /** The interface that provides the image resources. */
raimund@235:     private FLYSImages IMAGES = GWT.create(FLYSImages.class);
raimund@235: 
raimund@235:     /** The DistanceInfoService used to retrieve locations about rivers.*/
raimund@235:     protected DistanceInfoServiceAsync distanceInfoService =
raimund@235:         GWT.create(DistanceInfoService.class);
ingo@41: 
ingo@41:     /** The constant name of the input field to enter locations.*/
ingo@41:     public static final String FIELD_LOCATION = "location";
ingo@41: 
ingo@43:     /** The constant name of the input field to enter distance.*/
ingo@43:     public static final String FIELD_DISTANCE = "distance";
ingo@43: 
ingo@41:     /** The constant name of the input field to enter the start of a distance.*/
ingo@41:     public static final String FIELD_FROM = "from";
ingo@41: 
ingo@41:     /** The constant name of the input field to enter the end of a distance.*/
ingo@41:     public static final String FIELD_TO = "to";
ingo@41: 
ingo@41:     /** The constant name of the input field to enter the step width of a
ingo@41:      * distance.*/
ingo@41:     public static final String FIELD_WIDTH = "width";
ingo@41: 
ingo@53:     public static final int WIDTH = 250;
ingo@53: 
ingo@41: 
ingo@41:     /** The radio group for input mode selection.*/
ingo@43:     protected DynamicForm mode;
ingo@41: 
ingo@41:     /** A container that will contain the location or the distance panel.*/
ingo@41:     protected HLayout container;
ingo@41: 
ingo@55:     /** The min value for a distance.*/
ingo@55:     protected double min;
ingo@55: 
ingo@55:     /** The max value for a distance.*/
ingo@55:     protected double max;
ingo@55: 
ingo@43:     /** The 'from' value entered in the distance mode.*/
ingo@43:     protected double from;
ingo@43: 
ingo@43:     /** The 'to' value entered in the distance mode.*/
ingo@43:     protected double to;
ingo@43: 
ingo@43:     /** The 'step' value entered in the distance mode.*/
ingo@43:     protected double step;
ingo@43: 
ingo@43:     /** The values entered in the location mode.*/
ingo@43:     protected double[] values;
ingo@43: 
raimund@235:     /** The input panel for locations */
raimund@235:     protected DoubleArrayPanel locationPanel;
raimund@235: 
raimund@235:     /** The input panel for distances */
raimund@235:     protected DoubleRangePanel distancePanel;
raimund@235: 
raimund@235:     /** The tab set containing the location and distance table*/
raimund@235:     protected TabSet inputTables;
raimund@235: 
raimund@235:     /** The distance table. */
raimund@235:     protected ListGrid distanceTable;
raimund@235: 
raimund@235:     /** The locations table */
raimund@235:     protected ListGrid locationsTable;
raimund@235: 
raimund@235:     /** The locations table for distance input. */
raimund@235:     protected ListGrid locationDistanceTable;
ingo@41: 
raimund@237:     /** The table data. */
raimund@237:     protected DistanceInfoObject[] tableData;
raimund@237: 
ingo@41:     /**
ingo@41:      * Creates a new LocationDistancePanel instance.
ingo@41:      */
ingo@41:     public LocationDistancePanel() {
raimund@235:         distanceTable  = new ListGrid();
raimund@235:         locationsTable = new ListGrid();
raimund@235:         locationDistanceTable = new ListGrid();
ingo@41:     }
ingo@41: 
ingo@41: 
ingo@41:     /**
ingo@41:      * This method creates a widget that contains a label, a panel with
ingo@41:      * checkboxes to switch the input mode between location and distance input,
ingo@41:      * and a the mode specific panel.
ingo@41:      *
ingo@41:      * @param data The data that might be inserted.
ingo@41:      *
ingo@41:      * @return a panel.
ingo@41:      */
ingo@51:     public Canvas create(DataList data) {
ingo@41:         VLayout layout = new VLayout();
ingo@83:         layout.setMembersMargin(10);
ingo@41: 
ingo@55:         initDefaults(data);
ingo@55: 
ingo@57:         Label label   = new Label(MESSAGES.location_distance_state());
ingo@57:         Canvas widget = createWidget(data);
ingo@57:         Canvas submit = getNextButton();
raimund@235:         createDistanceInputPanel();
raimund@235: 
raimund@235:         createDistanceTable();
raimund@235:         createLocationTable();
raimund@237:         createLocationTableDistance ();
ingo@41: 
ingo@83:         widget.setHeight(50);
ingo@41:         label.setHeight(25);
ingo@41: 
ingo@41:         layout.addMember(label);
ingo@45:         layout.addMember(widget);
ingo@45:         layout.addMember(submit);
ingo@45: 
ingo@45:         return layout;
ingo@45:     }
ingo@45: 
ingo@45: 
raimund@235:     /**
raimund@235:      * This method creates a table that contains the distance values.
raimund@235:      */
raimund@235:     protected void createDistanceTable() {
raimund@235:         distanceTable.setWidth100();
raimund@235:         distanceTable.setShowRecordComponents(true);
raimund@235:         distanceTable.setShowRecordComponentsByCell(true);
raimund@235:         distanceTable.setHeight100();
raimund@263:         distanceTable.setEmptyMessage(MESSAGES.empty_table());
raimund@235: 
raimund@235:         ListGridField addDistance = new ListGridField ("", "");
raimund@235:         addDistance.setType (ListGridFieldType.ICON);
raimund@235:         addDistance.setWidth ("30");
raimund@235:         addDistance.addRecordClickHandler (new RecordClickHandler () {
raimund@235:             public void onRecordClick (RecordClickEvent e) {
raimund@235:                 if (!isLocationMode ()) {
raimund@235:                     Record r = e.getRecord();
raimund@235:                     double min = r.getAttributeAsDouble("from");
raimund@235:                     double max = r.getAttributeAsDouble("to");
raimund@235:                     setDistanceValues(min, max);
raimund@235:                 }
raimund@235:                 else {
raimund@235:                     double[] selected;
raimund@261:                     Record r = e.getRecord();
raimund@261:                     double min = r.getAttributeAsDouble("from");
raimund@261:                     double max = r.getAttributeAsDouble("to");
raimund@235:                     if (getLocationValues() != null) {
raimund@235:                         double[] val = getLocationValues();
raimund@235:                         selected = new double[val.length + 2];
raimund@235:                         for(int i = 0; i < val.length; i++){
raimund@235:                             selected[i] = val[i];
raimund@235:                         }
raimund@235:                         selected[val.length] = min;
raimund@235:                         selected[val.length + 1] = max;
raimund@235:                     }
raimund@235:                     else {
raimund@235:                         selected = new double[2];
raimund@235:                         selected[0] = min;
raimund@235:                         selected[1] = max;
raimund@235:                     }
raimund@235:                 setLocationValues(selected);
raimund@235:                 }
raimund@235:             }
raimund@235:         });
raimund@235:         addDistance.setCellIcon (IMAGES.markerGreen ().getURL ());
raimund@235: 
raimund@235:         ListGridField ddescr = new ListGridField("description",
raimund@235:                 MESSAGES.description());
raimund@235:         ddescr.setType(ListGridFieldType.TEXT);
raimund@235:         ddescr.setWidth("*");
raimund@235:         ListGridField from = new ListGridField("from", MESSAGES.from());
raimund@235:         from.setType(ListGridFieldType.TEXT);
raimund@235:         from.setWidth(75);
raimund@235:         ListGridField to = new ListGridField("to", MESSAGES.to());
raimund@235:         to.setType(ListGridFieldType.TEXT);
raimund@235:         to.setWidth(75);
raimund@235:         ListGridField dside = new ListGridField("riverside",
raimund@235:                 MESSAGES.riverside());
raimund@235:         dside.setType(ListGridFieldType.TEXT);
raimund@235:         dside.setWidth(60);
raimund@235: 
raimund@235:         distanceTable.setFields(addDistance, ddescr, from, to, dside);
raimund@235:     }
raimund@235: 
raimund@235: 
raimund@235:     /**
raimund@235:      * This method creates a table that contains the location values.
raimund@235:      */
raimund@235:     protected void createLocationTable() {
raimund@235:         locationsTable.setWidth100();
raimund@235:         locationsTable.setShowRecordComponents(true);
raimund@235:         locationsTable.setShowRecordComponentsByCell(true);
raimund@235:         locationsTable.setHeight100();
raimund@263:         locationsTable.setEmptyMessage(MESSAGES.empty_table());
raimund@235: 
raimund@235:         ListGridField addLocation = new ListGridField ("", "");
raimund@235:         addLocation.setType (ListGridFieldType.ICON);
raimund@235:         addLocation.setWidth ("30");
raimund@235:         addLocation.addRecordClickHandler (new RecordClickHandler () {
raimund@235:             public void onRecordClick (RecordClickEvent e) {
raimund@235:                 ListGridRecord[] records = locationsTable.getSelection();
raimund@235:                 double[] selected;
raimund@235:                 if (getLocationValues() != null) {
raimund@235:                     double[] val = getLocationValues();
raimund@235:                     selected = new double[val.length + 1];
raimund@235:                     for(int i = 0; i < val.length; i++){
raimund@235:                         selected[i] = val[i];
raimund@235:                     }
raimund@235:                     selected[val.length] =
raimund@235:                         records[0].getAttributeAsDouble("from");
raimund@235:                 }
raimund@235:                 else {
raimund@235:                     selected = new double[1];
raimund@235:                     selected[0] = records[0].getAttributeAsDouble("from");
raimund@235:                 }
raimund@235:                 setLocationValues(selected);
raimund@235:             }
raimund@235:         });
raimund@235:         addLocation.setCellIcon (IMAGES.markerGreen ().getURL ());
raimund@235: 
raimund@235:         ListGridField ldescr = new ListGridField("description",
raimund@235:                 MESSAGES.description());
raimund@235:         ldescr.setType(ListGridFieldType.TEXT);
raimund@235:         ldescr.setWidth("*");
raimund@235:         ListGridField lside = new ListGridField("riverside",
raimund@235:                 MESSAGES.riverside());
raimund@235:         lside.setType(ListGridFieldType.TEXT);
raimund@235:         lside.setWidth(60);
raimund@235:         ListGridField loc = new ListGridField("from", MESSAGES.location());
raimund@235:         loc.setType(ListGridFieldType.TEXT);
raimund@235:         loc.setWidth(80);
raimund@235:         locationsTable.setFields(addLocation, ldescr, loc, lside);
raimund@235:     }
raimund@235: 
raimund@235: 
raimund@235:     /**
raimund@235:      * This method creates a table that contains the location values.
raimund@235:      */
raimund@235:     protected void createLocationTableDistance (){
raimund@237:         locationDistanceTable = null;
raimund@237:         locationDistanceTable = new ListGrid ();
raimund@235:         locationDistanceTable.setWidth100();
raimund@235:         locationDistanceTable.setShowRecordComponents(true);
raimund@235:         locationDistanceTable.setShowRecordComponentsByCell(true);
raimund@235:         locationDistanceTable.setHeight100();
raimund@263:         locationDistanceTable.setEmptyMessage(MESSAGES.empty_table());
raimund@235: 
raimund@235:         ListGridField addfrom = new ListGridField ("", "");
raimund@235:         addfrom.setType (ListGridFieldType.ICON);
raimund@235:         addfrom.setWidth ("30");
raimund@235:         addfrom.setCellIcon (IMAGES.markerGreen ().getURL ());
raimund@235: 
raimund@235:         ListGridField addto2 = new ListGridField ("", "");
raimund@235:         addto2.setType (ListGridFieldType.ICON);
raimund@235:         addto2.setWidth ("30");
raimund@235:         addto2.setCellIcon (IMAGES.markerRed ().getURL ());
raimund@235: 
raimund@235: 
raimund@235:         ListGridField ldescr = new ListGridField("description",
raimund@235:                 MESSAGES.description());
raimund@235:         ldescr.setType(ListGridFieldType.TEXT);
raimund@235:         ldescr.setWidth("*");
raimund@235:         ListGridField lside = new ListGridField("riverside",
raimund@235:                 MESSAGES.riverside());
raimund@235:         lside.setType(ListGridFieldType.TEXT);
raimund@235:         lside.setWidth(60);
raimund@235:         ListGridField loc = new ListGridField("from", MESSAGES.location());
raimund@235:         loc.setType(ListGridFieldType.TEXT);
raimund@235:         loc.setWidth(80);
raimund@235:         locationDistanceTable.addCellClickHandler (new CellClickHandler () {
raimund@235:             public void onCellClick (CellClickEvent e) {
raimund@235:                 if (e.getColNum() == 0) {
raimund@235:                     Record r = e.getRecord ();
raimund@235:                     double fromvalue = r.getAttributeAsDouble ("from");
raimund@235:                     double tovalue = getTo ();
raimund@235:                     setDistanceValues (fromvalue, tovalue);
raimund@235:                 }
raimund@235:                 else if (e.getColNum() == 1) {
raimund@235:                     Record r = e.getRecord ();
raimund@235:                     double fromvalue = getFrom ();
raimund@235:                     double tovalue = r.getAttributeAsDouble ("to");
raimund@235:                     setDistanceValues (fromvalue, tovalue);
raimund@235:                 }
raimund@235:             }
raimund@235:         });
raimund@235:         locationDistanceTable.setFields(addfrom, addto2, ldescr, loc, lside);
raimund@235:     }
raimund@235: 
raimund@235: 
ingo@53:     public Canvas createOld(DataList dataList) {
ingo@53:         List<Data> items = dataList.getAll();
ingo@53: 
ingo@53:         Data dFrom = getData(items, "ld_from");
ingo@53:         Data dTo   = getData(items, "ld_to");
ingo@53:         Data dStep = getData(items, "ld_step");
ingo@53: 
ingo@53:         DataItem[] from = dFrom.getItems();
ingo@53:         DataItem[] to   = dTo.getItems();
ingo@53:         DataItem[] step = dStep.getItems();
ingo@53: 
ingo@53:         HLayout layout = new HLayout();
raimund@91:         layout.setWidth("400px");
raimund@91: 
ingo@53:         Label   label  = new Label(dataList.getLabel());
raimund@91:         label.setWidth("200px");
ingo@53: 
ingo@53:         StringBuilder sb = new StringBuilder();
ingo@53:         sb.append(from[0].getLabel());
ingo@53:         sb.append(" " + MESSAGES.unitFrom() + " ");
ingo@53:         sb.append(to[0].getLabel());
ingo@53:         sb.append(" " + MESSAGES.unitTo() + " ");
ingo@53:         sb.append(step[0].getLabel());
ingo@53:         sb.append(" " + MESSAGES.unitWidth());
ingo@53: 
ingo@58:         Canvas back = getBackButton(dataList.getState());
ingo@58: 
raimund@91:         Label selected = new Label(sb.toString());
raimund@91:         selected.setWidth("130px");
raimund@91: 
ingo@53:         layout.addMember(label);
raimund@91:         layout.addMember(selected);
ingo@58:         layout.addMember(back);
ingo@53: 
ingo@53:         return layout;
ingo@53:     }
ingo@53: 
ingo@53: 
ingo@53:     /**
ingo@55:      * This method reads the default values defined in the DataItems of the Data
ingo@55:      * objects in <i>list</i>.
ingo@55:      *
ingo@55:      * @param list The DataList container that stores the Data objects.
ingo@55:      */
ingo@55:     protected void initDefaults(DataList list) {
ingo@55:         Data f = getData(list.getAll(), "ld_from");
ingo@55:         Data t = getData(list.getAll(), "ld_to");
ingo@55:         Data s = getData(list.getAll(), "ld_step");
ingo@55: 
ingo@55:         DataItem[] fItems = f.getItems();
ingo@55:         DataItem[] tItems = t.getItems();
ingo@55:         DataItem[] sItems = s.getItems();
ingo@55: 
ingo@55:         min  = Double.valueOf(fItems[0].getStringValue());
ingo@55:         max  = Double.valueOf(tItems[0].getStringValue());
ingo@55:         step = Double.valueOf(sItems[0].getStringValue());
ingo@55: 
ingo@55:         this.from = min;
ingo@55:         this.to   = max;
ingo@55:         this.step = step;
ingo@55:     }
ingo@55: 
ingo@55: 
ingo@55:     /**
ingo@53:      * This method greps the Data with name <i>name</i> from the list and
ingo@53:      * returns it.
ingo@53:      *
ingo@53:      * @param items A list of Data.
ingo@53:      * @param name The name of the Data that we are searching for.
ingo@53:      *
ingo@53:      * @return the Data with the name <i>name</i>.
ingo@53:      */
ingo@53:     protected Data getData(List<Data> data, String name) {
ingo@53:         for (Data d: data) {
ingo@53:             if (name.equals(d.getLabel())) {
ingo@53:                 return d;
ingo@53:             }
ingo@53:         }
ingo@53: 
ingo@53:         return null;
ingo@53:     }
ingo@53: 
ingo@53: 
ingo@51:     protected Canvas createWidget(DataList data) {
ingo@45:         VLayout layout       = new VLayout();
ingo@45:         container            = new HLayout();
ingo@45:         Canvas checkboxPanel = createRadioButtonPanel();
ingo@45: 
ingo@45:         // the initial view will display the location input mode
raimund@235:         locationPanel = new DoubleArrayPanel(
ingo@45:                 MESSAGES.unitLocation(),
ingo@45:                 getLocationValues(),
ingo@45:                 this);
ingo@45:         container.addMember(locationPanel);
ingo@45: 
ingo@41:         layout.addMember(checkboxPanel);
ingo@41:         layout.addMember(container);
ingo@41: 
raimund@235:         container.setMembersMargin(30);
raimund@235: 
raimund@235:         inputTables   = new TabSet();
raimund@235:         Tab locations = new Tab(MESSAGES.location());
raimund@235:         Tab distances = new Tab(MESSAGES.distance());
raimund@235: 
raimund@272:         inputTables.setWidth100();
raimund@272:         inputTables.setHeight100();
raimund@235: 
raimund@235:         locations.setPane(locationsTable);
raimund@235:         distances.setPane(distanceTable);
raimund@235: 
raimund@235:         inputTables.addTab(locations);
raimund@235:         inputTables.addTab(distances);
raimund@235: 
raimund@272:         helperContainer.addChild(inputTables);
ingo@41: 
ingo@41:         return layout;
ingo@41:     }
ingo@41: 
ingo@41: 
ingo@41:     /**
ingo@41:      * This method returns the selected data.
ingo@41:      *
ingo@41:      * @return the selected/inserted data.
ingo@41:      */
ingo@41:     public Data[] getData() {
ingo@59:         // XXX If we have entered a value and click right afterwards on the
ingo@59:         // 'next' button, the BlurEvent is not fired, and the values are not
ingo@59:         // saved. So, we gonna save those values explicitly.
ingo@59:         if (isLocationMode()) {
ingo@59:             Canvas member = container.getMember(0);
ingo@59:             if (member instanceof DoubleArrayPanel) {
ingo@59:                 DoubleArrayPanel form = (DoubleArrayPanel) member;
ingo@59:                 saveLocationValues(form);
ingo@59:             }
ingo@59:         }
ingo@59:         else {
ingo@59:             Canvas member = container.getMember(0);
ingo@59:             if (member instanceof DoubleRangePanel) {
ingo@59:                 DoubleRangePanel form = (DoubleRangePanel) member;
ingo@59:                 saveDistanceValues(form);
ingo@59:             }
ingo@59:         }
ingo@59: 
ingo@46:         return new Data[] { getDataFrom(), getDataTo(), getDataStep() };
ingo@46:     }
ingo@41: 
ingo@46: 
ingo@46:     /**
ingo@46:      * Returns the Data object for the 'from' attribute.
ingo@46:      *
ingo@46:      * @return the Data object for the 'from' attribute.
ingo@46:      */
ingo@46:     protected Data getDataFrom() {
ingo@46:         String value  = Double.valueOf(getFinalFrom()).toString();
ingo@46:         DataItem item = new DefaultDataItem("ld_from", "ld_from", value);
ingo@46:         return new DefaultData(
ingo@51:             "ld_from", null, null, new DataItem[] { item });
ingo@46:     }
ingo@46: 
ingo@46: 
ingo@46:     /**
ingo@46:      * Returns the Data object for the 'to' attribute.
ingo@46:      *
ingo@46:      * @return the Data object for the 'to' attribute.
ingo@46:      */
ingo@46:     protected Data getDataTo() {
ingo@46:         String value  = Double.valueOf(getFinalTo()).toString();
ingo@46:         DataItem item = new DefaultDataItem("ld_to", "ld_to", value);
ingo@46:         return new DefaultData(
ingo@51:             "ld_to", null, null, new DataItem[] { item });
ingo@46:     }
ingo@46: 
ingo@46: 
ingo@46:     /**
ingo@46:      * Returns the Data object for the 'step' attribute.
ingo@46:      *
ingo@46:      * @return the Data object for the 'step' attribute.
ingo@46:      */
ingo@46:     protected Data getDataStep() {
ingo@46:         String value  = Double.valueOf(getFinalStep()).toString();
ingo@46:         DataItem item = new DefaultDataItem("ld_step","ld_step", value);
ingo@46:         return new DefaultData(
ingo@51:             "ld_step", null, null, new DataItem[] { item });
ingo@46:     }
ingo@46: 
ingo@46: 
ingo@46:     /**
ingo@46:      * Returns the value of 'from' depending on the selected input mode.
ingo@46:      *
ingo@46:      * @return the value of 'from' depending on the selected input mode.
ingo@46:      */
ingo@46:     protected double getFinalFrom() {
ingo@46:         if (isLocationMode()) {
ingo@46:             double[] values = getLocationValues();
ingo@46:             double   value  = Double.MAX_VALUE;
ingo@46: 
ingo@46:             for (double v: values) {
ingo@46:                 value = value < v ? value : v;
ingo@46:             }
ingo@46: 
ingo@46:             return value;
ingo@46:         }
ingo@46:         else {
ingo@46:             return getFrom();
ingo@46:         }
ingo@46:     }
ingo@46: 
ingo@46: 
ingo@46:     /**
ingo@46:      * Returns the value of 'to' depending on the selected input mode.
ingo@46:      *
ingo@46:      * @return the value of 'to' depending on the selected input mode.
ingo@46:      */
ingo@46:     protected double getFinalTo() {
ingo@46:         if (isLocationMode()) {
ingo@46:             double[] values = getLocationValues();
ingo@46:             double   value  = Double.MIN_VALUE;
ingo@46: 
ingo@46:             for (double v: values) {
ingo@46:                 value = value > v ? value : v;
ingo@46:             }
ingo@46: 
ingo@46:             return value;
ingo@46:         }
ingo@46:         else {
ingo@46:             return getTo();
ingo@46:         }
ingo@46:     }
ingo@46: 
ingo@46: 
ingo@46:     /**
ingo@46:      * Returns the value of 'step' depending on the selected input mode.
ingo@46:      *
ingo@46:      * @return the value of 'step' depending on the selected input mode.
ingo@46:      */
ingo@46:     protected double getFinalStep() {
ingo@46:         if (isLocationMode()) {
ingo@46:             // we have no field to enter the 'step' attribute in the location
ingo@46:             // mode
ingo@46:             return 0.0;
ingo@46:         }
ingo@46:         else {
ingo@46:             return getStep();
ingo@46:         }
ingo@46:     }
ingo@46: 
ingo@46: 
ingo@46:     /**
ingo@46:      * Determines the current input mode.
ingo@46:      *
ingo@46:      * @return true, if 'location' is the current input mode, otherwise false.
ingo@46:      */
ingo@46:     public boolean isLocationMode() {
ingo@46:         String inputMode = mode.getValueAsString("mode");
ingo@46: 
ingo@46:         return inputMode.equals(FIELD_LOCATION) ? true : false;
ingo@41:     }
ingo@41: 
ingo@41: 
ingo@41:     /**
ingo@41:      * This method switches the input mode between location and distance input.
ingo@41:      *
ingo@41:      * @param event The click event fired by a RadioButtonGroupItem.
ingo@41:      */
ingo@41:     public void onChange(ChangeEvent event) {
ingo@41:         String value = (String) event.getValue();
ingo@41: 
ingo@41:         if (value == null) {
ingo@41:             return;
ingo@41:         }
ingo@43:         if (value.equals(FIELD_LOCATION)) {
raimund@235:             locationPanel = new DoubleArrayPanel(
ingo@43:                 MESSAGES.unitLocation(),
ingo@43:                 getLocationValues(),
ingo@43:                 this);
ingo@43: 
ingo@41:             container.removeMembers(container.getMembers());
ingo@41:             container.addMember(locationPanel);
raimund@237:             while (inputTables.getNumTabs() > 0) {
raimund@237:                 inputTables.removeTab(0);
raimund@237:             }
raimund@235:             Tab t1 = new Tab (MESSAGES.location());
raimund@235:             createLocationTable();
raimund@235:             t1.setPane(locationsTable);
raimund@235:             inputTables.addTab(t1);
raimund@235:             createDistanceTable();
raimund@235:             Tab t2 = new Tab (MESSAGES.distance());
raimund@235:             t2.setPane(distanceTable);
raimund@235:             inputTables.addTab(t2);
raimund@237:             updateDistanceInfo(tableData);
raimund@237: 
raimund@272:             helperContainer.addChild(inputTables);
raimund@235:             inputTables.selectTab(0);
ingo@41:         }
ingo@43:         else {
raimund@235:             distancePanel = new DoubleRangePanel(
ingo@43:                 MESSAGES.unitFrom(), MESSAGES.unitTo(), MESSAGES.unitWidth(),
ingo@43:                 getFrom(), getTo(), getStep(),
ingo@43:                 250,
ingo@43:                 this);
ingo@43: 
ingo@41:             container.removeMembers(container.getMembers());
ingo@41:             container.addMember(distancePanel);
raimund@237:             while (inputTables.getNumTabs () > 0) {
raimund@237:                 inputTables.removeTab(0);
raimund@237:             }
raimund@235:             Tab t1 = new Tab(MESSAGES.location ());
raimund@235:             createLocationTableDistance ();
raimund@235:             t1.setPane(locationDistanceTable);
raimund@235:             inputTables.addTab(t1);
raimund@235:             createDistanceTable ();
raimund@235:             Tab t2 = new Tab(MESSAGES.distance ());
raimund@235:             t2.setPane(distanceTable);
raimund@235:             inputTables.addTab(t2);
raimund@244:             if (tableData != null) {
raimund@244:                 updateDistanceInfo(tableData);
raimund@244:             }
raimund@237: 
raimund@272:             helperContainer.addChild(inputTables);
raimund@235:             inputTables.selectTab(1);
ingo@41:         }
ingo@41:     }
ingo@41: 
ingo@41: 
ingo@41:     /**
ingo@41:      * This method is used to validate the inserted data in the form fields.
ingo@41:      *
ingo@41:      * @param event The BlurEvent that gives information about the FormItem that
ingo@41:      * has been modified and its value.
ingo@41:      */
ingo@41:     public void onBlur(BlurEvent event) {
ingo@41:         FormItem item = event.getItem();
ingo@41:         String  field = item.getFieldName();
ingo@41: 
ingo@41:         if (field == null) {
ingo@41:             return;
ingo@41:         }
ingo@41: 
ingo@43:         if (field.equals(DoubleArrayPanel.FIELD_NAME)) {
ingo@43:             DoubleArrayPanel p = (DoubleArrayPanel) event.getForm();
ingo@41: 
ingo@59:             saveLocationValue(p, item);
ingo@41:         }
ingo@43:         else {
ingo@43:             DoubleRangePanel p = (DoubleRangePanel) event.getForm();
ingo@41: 
ingo@59:             saveDistanceValue(p, item);
ingo@59:         }
ingo@59:     }
ingo@59: 
ingo@59: 
raimund@235: 
ingo@59:     /**
ingo@59:      * Validates and stores all values entered in the location mode.
ingo@59:      *
ingo@59:      * @param p The DoubleArrayPanel.
ingo@59:      */
ingo@59:     protected void saveLocationValues(DoubleArrayPanel p) {
ingo@59:         FormItem[] formItems = p.getFields();
ingo@59: 
ingo@59:         for (FormItem item: formItems) {
ingo@59:             if (item.getFieldName().equals(DoubleArrayPanel.FIELD_NAME)) {
ingo@59:                 saveLocationValue(p, item);
ingo@43:             }
ingo@41:         }
ingo@41:     }
ingo@41: 
ingo@41: 
ingo@41:     /**
ingo@59:      * Validates and stores all values entered in the distance mode.
ingo@59:      *
ingo@59:      * @param p The DoubleRangePanel.
ingo@59:      */
ingo@59:     protected void saveDistanceValues(DoubleRangePanel p) {
ingo@59:         FormItem[] formItems = p.getFields();
ingo@59: 
ingo@59:         for (FormItem item: formItems) {
ingo@59:             saveDistanceValue(p, item);
ingo@59:         }
ingo@59:     }
ingo@59: 
ingo@59: 
ingo@59:     /**
ingo@59:      * Validates and stores a value entered in the location mode.
ingo@59:      *
ingo@59:      * @param p The DoubleArrayPanel.
ingo@59:      * @param item The item that needs to be validated.
ingo@59:      */
ingo@59:     protected void saveLocationValue(DoubleArrayPanel p, FormItem item) {
ingo@59:         if (p.validateForm(item)) {
ingo@59:             setLocationValues(p.getInputValues(item));
ingo@59:         }
ingo@59:     }
ingo@59: 
ingo@59: 
ingo@59:     /**
ingo@59:      * Validates and stores value entered in the distance mode.
ingo@59:      *
ingo@59:      * @param p The DoubleRangePanel.
ingo@59:      * @param item The item that needs to be validated.
ingo@59:      */
ingo@59:     protected void saveDistanceValue(DoubleRangePanel p, FormItem item) {
ingo@59:         if (p.validateForm(item)) {
ingo@59:             setFrom(p.getFrom());
ingo@59:             setTo(p.getTo());
ingo@59:             setStep(p.getStep());
ingo@59:         }
ingo@59:     }
ingo@59: 
ingo@59: 
ingo@59:     /**
ingo@41:      * This method creates the panel that contains the checkboxes to switch
ingo@41:      * between the input mode 'location' and 'distance'.
ingo@41:      *
ingo@41:      * @return the checkbox panel.
ingo@41:      */
ingo@41:     protected Canvas createRadioButtonPanel() {
ingo@43:         mode = new DynamicForm();
ingo@41: 
ingo@43:         RadioGroupItem radio = new RadioGroupItem("mode");
ingo@41:         radio.setShowTitle(false);
ingo@41:         radio.setVertical(false);
ingo@41: 
ingo@43:         LinkedHashMap values = new LinkedHashMap();
ingo@43:         values.put(FIELD_LOCATION, MESSAGES.location());
ingo@43:         values.put(FIELD_DISTANCE, MESSAGES.distance());
ingo@43: 
ingo@45:         LinkedHashMap initial = new LinkedHashMap();
ingo@45:         initial.put("mode", FIELD_LOCATION);
ingo@45: 
ingo@43:         radio.setValueMap(values);
ingo@41:         radio.addChangeHandler(this);
ingo@41: 
ingo@43:         mode.setFields(radio);
ingo@45:         mode.setValues(initial);
ingo@41: 
ingo@43:         return mode;
ingo@41:     }
ingo@41: 
ingo@41: 
raimund@235:     protected void createDistanceInputPanel() {
raimund@235:         Config config = Config.getInstance();
raimund@235:         String url    = config.getServerUrl();
raimund@235:         String locale = config.getLocale ();
raimund@235:         String river  = "";
raimund@235: 
raimund@235:         ArtifactDescription adescr = artifact.getArtifactDescription();
raimund@235:         DataList[] data = adescr.getOldData();
raimund@235: 
raimund@235:         if (data != null && data.length > 0) {
raimund@235:             for (int i = 0; i < data.length; i++) {
raimund@235:                 DataList dl = data[i];
raimund@235:                 if (dl.getState().equals("state.winfo.river")) {
raimund@235:                     for (int j = 0; j < dl.size(); j++) {
raimund@235:                         Data d = dl.get(j);
raimund@235:                         DataItem[] di = d.getItems();
raimund@235:                         if (di != null && di.length == 1) {
raimund@235:                            river = d.getItems()[0].getStringValue();
raimund@235:                         }
raimund@235:                     }
raimund@235:                 }
raimund@235:             }
raimund@235:         }
raimund@235: 
raimund@235:         distanceInfoService.getDistanceInfo(url, locale, river,
raimund@235:             new AsyncCallback<DistanceInfoObject[]>() {
raimund@235:                 public void onFailure(Throwable caught) {
raimund@235:                     GWT.log("Could not recieve distance informations.");
raimund@235:                     GWT.log(caught.getMessage());
raimund@235:                 }
raimund@235: 
raimund@235:                 public void onSuccess(DistanceInfoObject[] di) {
raimund@235:                     int num = di != null ? di.length :0;
raimund@237:                     GWT.log("Recieved " + num + " distance informations.");
raimund@235: 
raimund@235:                     if (num == 0) {
raimund@235:                         return;
raimund@235:                     }
raimund@237:                     tableData = di;
raimund@235:                     updateDistanceInfo(di);
raimund@235:                 }
raimund@235:             }
raimund@235:         );
raimund@235:     }
raimund@235: 
raimund@235: 
raimund@235:     protected void updateDistanceInfo(DistanceInfoObject[] di) {
raimund@235:         int i = 0;
raimund@235:         for (DistanceInfoObject dio: di) {
raimund@235:             if (dio.getTo() != null) {
raimund@235:                 distanceTable.addData(new DistanceInfoRecord(dio));
raimund@235:             }
raimund@235:             else {
raimund@235:                 locationsTable.addData(new DistanceInfoRecord(dio));
raimund@235:                 locationDistanceTable.addData(new DistanceInfoRecord(dio));
raimund@235:             }
raimund@235:         }
raimund@235:         return;
raimund@235:     }
raimund@235: 
raimund@235: 
ingo@43:     protected double getFrom() {
ingo@43:         return from;
ingo@41:     }
ingo@41: 
ingo@41: 
ingo@43:     protected void setFrom(double from) {
ingo@43:         this.from = from;
ingo@43:     }
ingo@41: 
ingo@41: 
ingo@43:     protected double getTo() {
ingo@43:         return to;
ingo@43:     }
ingo@41: 
ingo@41: 
ingo@43:     protected void setTo(double to) {
ingo@43:         this.to = to;
ingo@43:     }
ingo@41: 
ingo@43: 
ingo@43:     protected double getStep() {
ingo@43:         return step;
ingo@43:     }
ingo@43: 
ingo@43: 
ingo@43:     protected void setStep(double step) {
ingo@43:         this.step = step;
ingo@43:     }
ingo@43: 
ingo@43: 
ingo@43:     protected double[] getLocationValues() {
ingo@43:         return values;
ingo@43:     }
ingo@43: 
ingo@43: 
ingo@43:     protected void setLocationValues(double[] values) {
ingo@43:         this.values = values;
raimund@235:         locationPanel.setValues(values);
raimund@235:     }
raimund@235: 
raimund@235: 
raimund@235:     protected void setDistanceValues (double from, double to) {
raimund@235:         setFrom(from);
raimund@235:         setTo(to);
raimund@235:         distancePanel.setValues(from, to, getStep());
ingo@41:     }
ingo@41: }
ingo@41: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :