--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gwt-client/src/main/java/org/dive4elements/river/client/client/ui/DistancePanelInputHelper.java	Tue Jul 10 11:24:12 2018 +0200
@@ -0,0 +1,229 @@
+/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
+ * Software engineering by Intevation GmbH
+ *
+ * This file is Free Software under the GNU AGPL (>=v3)
+ * and comes with ABSOLUTELY NO WARRANTY! Check out the
+ * documentation coming with Dive4Elements River for details.
+ */
+
+package org.dive4elements.river.client.client.ui;
+
+import java.util.LinkedHashMap;
+
+import org.dive4elements.river.client.client.Config;
+import org.dive4elements.river.client.client.FLYSConstants;
+import org.dive4elements.river.client.client.event.FilterHandler;
+import org.dive4elements.river.client.client.event.RangeFilterEvent;
+import org.dive4elements.river.client.client.event.StringFilterEvent;
+import org.dive4elements.river.client.client.ui.range.DistanceInfoDataSource;
+import org.dive4elements.river.client.client.ui.range.LocationsTable;
+import org.dive4elements.river.client.client.ui.range.RangeTable;
+
+import com.smartgwt.client.data.AdvancedCriteria;
+import com.smartgwt.client.data.Criteria;
+import com.smartgwt.client.data.Criterion;
+import com.smartgwt.client.types.Alignment;
+import com.smartgwt.client.types.OperatorId;
+import com.smartgwt.client.widgets.Canvas;
+import com.smartgwt.client.widgets.form.DynamicForm;
+import com.smartgwt.client.widgets.form.fields.SelectItem;
+import com.smartgwt.client.widgets.form.fields.StaticTextItem;
+import com.smartgwt.client.widgets.form.fields.events.ChangedEvent;
+import com.smartgwt.client.widgets.form.fields.events.ChangedHandler;
+import com.smartgwt.client.widgets.grid.ListGrid;
+import com.smartgwt.client.widgets.layout.HLayout;
+import com.smartgwt.client.widgets.layout.VLayout;
+import com.smartgwt.client.widgets.tab.Tab;
+import com.smartgwt.client.widgets.tab.TabSet;
+import com.smartgwt.client.widgets.tab.events.TabSelectedEvent;
+import com.smartgwt.client.widgets.tab.events.TabSelectedHandler;
+
+/** Panel to allow input of distance for calculation range. */
+public class DistancePanelInputHelper implements FilterHandler {
+
+    private RangeTable distancesTable;
+    private LocationsTable locationsTable;
+    private TabSet tabs;
+    private StaticTextItem filterResultCount;
+    private TableFilter filterDescription;
+    private RangeTableFilter filterRange;
+    private ListGrid currentFiltered;
+    protected final VLayout helperContainer;
+    private final FLYSConstants MSG;
+    private final String river;
+
+    public DistancePanelInputHelper(final FLYSConstants MSG, final VLayout helperContainer, final String river) {
+        this.MSG = MSG;
+        this.helperContainer = helperContainer;
+        this.river = river;
+
+        initHelperPanel(); // copy from DistancePanel
+    }
+
+    protected void initHelperPanel() {
+        this.distancesTable = new RangeTable();
+        this.locationsTable = new LocationsTable();
+
+        final Config config = Config.getInstance();
+        final String url = config.getServerUrl();
+        // final String river = getRiverName();
+
+        this.distancesTable.setAutoFetchData(true);
+        this.locationsTable.setAutoFetchData(true);
+        this.distancesTable.setDataSource(new DistanceInfoDataSource(url, this.river, "distances"));
+        this.locationsTable.setDataSource(new DistanceInfoDataSource(url, this.river, "locations"));
+
+        // recordClickHandlers were here
+
+        this.tabs = new TabSet();
+        this.tabs.setWidth100();
+        this.tabs.setHeight100();
+
+        final Tab locations = new Tab(this.MSG.locations());
+        final Tab distances = new Tab(this.MSG.distance());
+
+        locations.setPane(this.locationsTable);
+        distances.setPane(this.distancesTable);
+
+        this.tabs.addTab(locations, 0);
+        this.tabs.addTab(distances, 1);
+
+        this.filterResultCount = new StaticTextItem(this.MSG.resultCount());
+        this.filterResultCount.setTitleAlign(Alignment.LEFT);
+        this.filterResultCount.setTitleStyle("color: #000");
+
+        this.filterDescription = new TableFilter();
+        this.filterDescription.setHeight("30px");
+        this.filterDescription.addFilterHandler(this);
+
+        this.filterRange = new RangeTableFilter();
+        this.filterRange.setHeight("30px");
+        this.filterRange.addFilterHandler(this);
+        this.filterRange.setVisible(false);
+
+        final SelectItem filterCriteria = new SelectItem();
+        filterCriteria.setShowTitle(false);
+        filterCriteria.setWidth(100);
+        filterCriteria.addChangedHandler(new ChangedHandler() {
+            @Override
+            public void onChanged(final ChangedEvent e) {
+                if (e.getValue().toString().equals("range")) {
+                    DistancePanelInputHelper.this.filterRange.setVisible(true);
+                    DistancePanelInputHelper.this.filterDescription.setVisible(false);
+                    DistancePanelInputHelper.this.filterDescription.clear();
+                } else {
+                    DistancePanelInputHelper.this.filterRange.setVisible(false);
+                    DistancePanelInputHelper.this.filterRange.clear();
+                    DistancePanelInputHelper.this.filterDescription.setVisible(true);
+                }
+            }
+        });
+
+        final LinkedHashMap<String, String> filterMap = new LinkedHashMap<String, String>();
+        filterMap.put("description", this.MSG.description());
+        filterMap.put("range", this.MSG.range());
+        filterCriteria.setValueMap(filterMap);
+        filterCriteria.setValue("description");
+
+        final DynamicForm form = new DynamicForm();
+        form.setFields(filterCriteria);
+
+        final DynamicForm form2 = new DynamicForm();
+        form2.setFields(this.filterResultCount);
+
+        final HLayout filterLayout = new HLayout();
+        filterLayout.addMember(form);
+        filterLayout.addMember(this.filterDescription);
+        filterLayout.addMember(this.filterRange);
+        filterLayout.setHeight(30);
+        this.tabs.addTabSelectedHandler(new TabSelectedHandler() {
+            @Override
+            public void onTabSelected(final TabSelectedEvent evt) {
+                DistancePanelInputHelper.this.filterDescription.clear();
+                DistancePanelInputHelper.this.filterRange.clear();
+                DistancePanelInputHelper.this.filterResultCount.setValue("");
+
+                final Canvas c = evt.getTabPane();
+                if (c instanceof ListGrid) {
+                    DistancePanelInputHelper.this.currentFiltered = (ListGrid) c;
+                }
+            }
+        });
+
+        this.helperContainer.addMember(this.tabs);
+        this.helperContainer.addMember(filterLayout);
+        this.helperContainer.addMember(form2);
+    }
+
+    @Override
+    public void onFilterCriteriaChanged(final StringFilterEvent event) {
+        final String search = event.getFilter();
+
+        if (search != null && search.length() > 0) {
+            final Criteria c = new Criteria("description", search);
+            this.locationsTable.filterData(c);
+            this.distancesTable.filterData(c);
+            this.filterResultCount.setValue(this.currentFiltered.getRecords().length);
+        } else {
+            this.locationsTable.clearCriteria();
+            this.distancesTable.clearCriteria();
+            this.filterResultCount.setValue("");
+        }
+    }
+
+    @Override
+    public void onFilterCriteriaChanged(final RangeFilterEvent event) {
+        final Float from = event.getFrom() - 0.001f;
+        final Float to = event.getTo() + 0.001f;
+
+        Criterion combinedFilter = null;
+        Criterion locationFilter = null;
+
+        if (from.equals(Float.NaN) && to.equals(Float.NaN)) {
+            this.locationsTable.clearCriteria();
+            this.distancesTable.clearCriteria();
+            this.filterResultCount.setValue("");
+            return;
+        }
+
+        if (from.equals(Float.NaN)) {
+            combinedFilter = new Criterion("to", OperatorId.LESS_OR_EQUAL, to);
+
+            locationFilter = new Criterion("from", OperatorId.LESS_OR_EQUAL, to);
+
+            this.locationsTable.filterData(locationFilter);
+            this.distancesTable.filterData(combinedFilter);
+            this.filterResultCount.setValue(this.currentFiltered.getRecords().length);
+            return;
+        }
+
+        if (to.equals(Float.NaN)) {
+            combinedFilter = new Criterion("from", OperatorId.GREATER_OR_EQUAL, from);
+        } else {
+            final AdvancedCriteria c1 = new AdvancedCriteria(OperatorId.AND,
+                    new Criterion[] { new Criterion("from", OperatorId.GREATER_OR_EQUAL, from), new Criterion("from", OperatorId.LESS_OR_EQUAL, to) });
+
+            final AdvancedCriteria c2 = new AdvancedCriteria(OperatorId.AND,
+                    new Criterion[] { new Criterion("to", OperatorId.GREATER_OR_EQUAL, from), new Criterion("to", OperatorId.LESS_OR_EQUAL, to) });
+
+            final AdvancedCriteria c3 = new AdvancedCriteria(OperatorId.AND,
+                    new Criterion[] { new Criterion("from", OperatorId.LESS_OR_EQUAL, to), new Criterion("to", OperatorId.GREATER_OR_EQUAL, from) });
+
+            combinedFilter = new AdvancedCriteria(OperatorId.OR, new Criterion[] { c1, c2, c3 });
+        }
+        this.locationsTable.filterData(combinedFilter);
+        this.distancesTable.filterData(combinedFilter);
+        this.filterResultCount.setValue(this.currentFiltered.getRecords().length);
+
+    }
+
+    public ListGrid getDistancesTable() {
+        return this.distancesTable;
+    }
+
+    public ListGrid getLocationsTable() {
+        return this.locationsTable;
+    }
+
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :