felix@1590: package de.intevation.flys.client.client.ui;
felix@1590: 
felix@1590: import java.util.LinkedHashMap;
felix@1590: 
felix@1590: import com.google.gwt.core.client.GWT;
felix@1590: import com.google.gwt.i18n.client.NumberFormat;
rrenkert@4221: import com.smartgwt.client.data.AdvancedCriteria;
felix@1590: import com.smartgwt.client.data.Criteria;
felix@1590: import com.smartgwt.client.data.Criterion;
rrenkert@4221: import com.smartgwt.client.types.Alignment;
rrenkert@4221: import com.smartgwt.client.types.ListGridFieldType;
felix@1590: import com.smartgwt.client.types.OperatorId;
felix@1590: import com.smartgwt.client.widgets.form.DynamicForm;
felix@1590: import com.smartgwt.client.widgets.form.fields.SelectItem;
felix@1590: import com.smartgwt.client.widgets.form.fields.StaticTextItem;
rrenkert@4221: import com.smartgwt.client.widgets.form.fields.events.ChangedEvent;
rrenkert@4221: import com.smartgwt.client.widgets.form.fields.events.ChangedHandler;
rrenkert@4221: import com.smartgwt.client.widgets.grid.CellFormatter;
felix@1590: import com.smartgwt.client.widgets.grid.ListGrid;
felix@1590: import com.smartgwt.client.widgets.grid.ListGridField;
felix@1590: import com.smartgwt.client.widgets.grid.ListGridRecord;
rrenkert@4221: import com.smartgwt.client.widgets.grid.events.CellClickHandler;
rrenkert@4221: import com.smartgwt.client.widgets.layout.HLayout;
felix@1590: 
felix@1590: import de.intevation.flys.client.client.FLYSConstants;
felix@1590: import de.intevation.flys.client.client.event.FilterHandler;
rrenkert@4221: import de.intevation.flys.client.client.event.RangeFilterEvent;
felix@1590: import de.intevation.flys.client.client.event.StringFilterEvent;
felix@1590: 
felix@1590: /**
felix@1590:  * Bundle widgets and handler for a lacation input helper.
felix@1590:  *
felix@1590:  * Note that the construction is weird and driven by issues that arose due to
felix@1590:  * reasons not understood.
felix@1590:  */
felix@1590: public class LocationPicker
felix@1590: implements   FilterHandler
felix@1590: {
felix@1590:     /** The message class that provides i18n strings.*/
felix@1590:     protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
felix@1590: 
felix@1590:     /** The locations table. */
felix@1590:     protected ListGrid locationTable;
felix@1590: 
felix@1590:     protected HLayout filterLayout;
felix@1590: 
felix@1590:     DynamicForm resultCountForm;
felix@1590: 
rrenkert@4221:     CellClickHandler handler;
rrenkert@4221: 
rrenkert@4221:     boolean isDistance = false;
felix@1590: 
felix@1590:     /** Text to show number of matched items when filtered. */
felix@1590:     protected StaticTextItem filterResultCount;
felix@1590: 
felix@1590: 
rrenkert@4221:     public LocationPicker(CellClickHandler handler) {
felix@1590:         locationTable = new ListGrid();
felix@1590:         locationTable.setShowHeaderContextMenu(false);
felix@1590:         this.handler = handler;
felix@1590:     }
felix@1590: 
felix@1590:     public void prepareFilter() {
felix@1590: 
felix@1590:         filterResultCount = new StaticTextItem(MSG.resultCount());
felix@1590:         filterResultCount.setTitleAlign(Alignment.LEFT);
felix@1590:         filterResultCount.setTitleStyle("color: #000");
felix@1590: 
felix@1590:         final TableFilter filter = new TableFilter();
felix@1590:         filter.setHeight("30px");
felix@1590:         filter.addFilterHandler(this);
felix@1590: 
felix@1590:         final RangeTableFilter filterRange = new RangeTableFilter();
felix@1590:         filterRange.setHeight("30px");
felix@1590:         filterRange.addFilterHandler(this);
felix@1590:         filterRange.setVisible(false);
felix@1590: 
felix@1590:         SelectItem filterCriteria = new SelectItem();
felix@1590:         filterCriteria.setShowTitle(false);
felix@1590:         filterCriteria.setWidth(100);
felix@1590:         filterCriteria.addChangedHandler(new ChangedHandler() {
felix@1590:             public void onChanged(ChangedEvent e) {
felix@1590:                 if(e.getValue().toString().equals("range")) {
felix@1590:                     filterRange.setVisible(true);
felix@1590:                     filter.setVisible(false);
felix@1590:                     filter.clear();
felix@1590:                     filterResultCount.setValue("");
felix@1590:                 }
felix@1590:                 else {
felix@1590:                     filterRange.setVisible(false);
felix@1590:                     filterRange.clear();
felix@1590:                     filter.setVisible(true);
felix@1590:                     filterResultCount.setValue("");
felix@1590:                 }
felix@1590:             }
felix@1590:         });
felix@1590: 
felix@1590:         LinkedHashMap<String, String> filterMap =
felix@1590:             new LinkedHashMap<String, String>();
felix@1590:         filterMap.put("description", MSG.description());
felix@1590:         filterMap.put("range", MSG.range());
felix@1590:         filterCriteria.setValueMap(filterMap);
felix@1590:         filterCriteria.setValue("description");
felix@1590: 
felix@1590:         DynamicForm form = new DynamicForm();
felix@1590:         form.setFields(filterCriteria);
felix@1590: 
felix@1590:         resultCountForm = new DynamicForm();
felix@1590:         resultCountForm.setFields(filterResultCount);
felix@1590: 
felix@1590:         filterLayout = new HLayout();
felix@1590:         filterLayout.addMember(form);
felix@1590:         filterLayout.addMember(filter);
felix@1590:         filterLayout.addMember(filterRange);
felix@1590:     }
felix@1590: 
felix@1590: 
felix@1590:     /** Access the main widget, a table in which locations can be chosen. */
felix@1590:     public ListGrid getLocationTable() {
felix@1590:         return locationTable;
felix@1590:     }
felix@1590: 
felix@1590: 
felix@1590:     /** Access the 'form' that shows the filter result count. */
felix@1590:     public DynamicForm getResultCountForm() {
felix@1590:         return resultCountForm;
felix@1590:     }
felix@1590: 
felix@1590: 
felix@1590:     /** Access the layout containing filter stuff. */
felix@1590:     public HLayout getFilterLayout() {
felix@1590:         return filterLayout;
felix@1590:     }
felix@1590: 
felix@1590: 
felix@1590:     /**
felix@1590:      * This method creates a table that contains the location values.
felix@1590:      */
rrenkert@4221:     public void createLocationTable(/*RecordClickHandler handler*/) {
felix@1590:         GWT.log("Create Location Table in LocationPicker");
felix@1590: 
felix@1590:         String baseUrl = GWT.getHostPageBaseURL();
felix@1590: 
felix@1590:         locationTable.setWidth100();
felix@1590:         locationTable.setShowRecordComponents(true);
felix@1590:         locationTable.setShowRecordComponentsByCell(true);
felix@1590:         locationTable.setHeight100();
felix@1590:         locationTable.setEmptyMessage(MSG.empty_filter());
felix@1590:         locationTable.setCanReorderFields(false);
felix@1590: 
felix@1590:         ListGridField addLocation = new ListGridField ("", "");
felix@1590:         addLocation.setType (ListGridFieldType.ICON);
felix@1590:         addLocation.setWidth (20);
felix@1590:         addLocation.setCellIcon (baseUrl + MSG.markerGreen());
rrenkert@4221:         ListGridField addTo = new ListGridField ("", "");
rrenkert@4221:         addTo.setType (ListGridFieldType.ICON);
rrenkert@4221:         addTo.setWidth (20);
rrenkert@4221:         addTo.setCellIcon (baseUrl + MSG.markerRed());
rrenkert@4221:  
felix@1590:         ListGridField ldescr = new ListGridField("description",
felix@1590:                 MSG.description());
felix@1590:         ldescr.setType(ListGridFieldType.TEXT);
felix@1590:         ldescr.setWidth("*");
felix@1590:         ListGridField lside = new ListGridField("riverside",
felix@1590:                 MSG.riverside());
felix@1590:         lside.setType(ListGridFieldType.TEXT);
felix@1590:         lside.setWidth("10%");
felix@1590: 
felix@1590:         ListGridField loc = new ListGridField("from", MSG.location());
felix@1590:         loc.setCellFormatter(new CellFormatter() {
felix@1590:             public String format(
felix@1590:                 Object value,
felix@1590:                 ListGridRecord record,
felix@1590:                 int rowNum, int colNum) {
felix@1590:                     if (value == null) return null;
felix@1590:                     try {
felix@1590:                         NumberFormat nf;
felix@1590:                         double v = Double.parseDouble((String)value);
felix@1590:                         nf = NumberFormat.getFormat("###0.00##");
felix@1590:                         return nf.format(v);
felix@1590:                     }
felix@1590:                     catch (Exception e) {
felix@1590:                         return value.toString();
felix@1590:                     }
felix@1590:                 }
felix@1590:             }
felix@1590:         );
felix@1590:         loc.setType(ListGridFieldType.FLOAT);
felix@1590: 
felix@1590:         loc.setWidth("10%");
felix@1590: 
felix@1590:         ListGridField bottom =
felix@1590:             new ListGridField("bottom", MSG.bottom_edge());
felix@1590:         bottom.setType(ListGridFieldType.TEXT);
felix@1590:         bottom.setWidth("10%");
felix@1590: 
felix@1590:         ListGridField top =
felix@1590:             new ListGridField("top", MSG.top_edge());
felix@1590:         top.setType(ListGridFieldType.TEXT);
felix@1590:         top.setWidth("10%");
rrenkert@4221:         locationTable.addCellClickHandler(handler);
rrenkert@4221:         if (isDistance) {
rrenkert@4221:             locationTable.setFields(
rrenkert@4221:                 addLocation, addTo, ldescr, loc, lside, bottom, top);
rrenkert@4221:         }
rrenkert@4221:         else {
rrenkert@4221:             locationTable.setFields(
rrenkert@4221:                 addLocation, ldescr, loc, lside, bottom, top);
rrenkert@4221:         }
felix@1590:     }
felix@1590: 
felix@1590: 
felix@1590:     @Override
felix@1590:     public void onFilterCriteriaChanged(StringFilterEvent event) {
felix@1590:         String search = event.getFilter();
felix@1590: 
felix@1590:         if (search != null && search.length() > 0) {
felix@1590:             Criteria c = new Criteria("description", search);
felix@1590:             locationTable.filterData(c);
felix@1590:             filterResultCount.setValue(locationTable.getRecords().length);
felix@1590:         }
felix@1590:         else {
raimund@2454:             locationTable.clearCriteria();
raimund@2454:             filterResultCount.setValue("");
felix@1590:         }
felix@1590:     }
felix@1590: 
felix@1590: 
felix@1590:     @Override
felix@1590:     public void onFilterCriteriaChanged(RangeFilterEvent event) {
felix@1590:         Float from = event.getFrom() - 0.001f;
felix@1590:         Float to = event.getTo() + 0.001f;
felix@1590: 
felix@1590:         Criterion combinedFilter = null;
felix@1590:         if (from.equals(Float.NaN) && to.equals(Float.NaN)) {
felix@1590:             locationTable.clearCriteria();
felix@1590:             filterResultCount.setValue("");
felix@1590:             return;
felix@1590:         }
felix@1590:         else if (from.equals(Float.NaN)) {
felix@1590:             combinedFilter =
felix@1590:                 new Criterion("from", OperatorId.LESS_OR_EQUAL, to);
felix@1590:         }
felix@1590:         else if (to.equals(Float.NaN)) {
felix@1590:             combinedFilter =
felix@1590:                 new Criterion("from", OperatorId.GREATER_OR_EQUAL, from);
felix@1590:         }
felix@1590:         else {
felix@1590:             combinedFilter =
felix@1590:                 new AdvancedCriteria(OperatorId.AND, new Criterion[] {
felix@1590:                     new Criterion("from", OperatorId.GREATER_OR_EQUAL, from),
felix@1590:                     new Criterion("from", OperatorId.LESS_OR_EQUAL, to)
felix@1590:                 });
felix@1590:         }
felix@1590:         locationTable.filterData(combinedFilter);
felix@1590:         filterResultCount.setValue(locationTable.getRecords().length);
felix@1590:     }
rrenkert@4221: 
rrenkert@4221:     public void setIsDistance(boolean value) {
rrenkert@4221:         this.isDistance = value;
rrenkert@4221:     }
rrenkert@4221: 
rrenkert@4221:     public boolean isDistance() {
rrenkert@4221:         return this.isDistance;
rrenkert@4221:     }
felix@1590: }
felix@1590: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :