gernotbelger@9227: /** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde
gernotbelger@9227:  * Software engineering by
gernotbelger@9227:  *  Björnsen Beratende Ingenieure GmbH
gernotbelger@9227:  *  Dr. Schumacher Ingenieurbüro für Wasser und Umwelt
gernotbelger@9227:  *
gernotbelger@9227:  * This file is Free Software under the GNU AGPL (>=v3)
gernotbelger@9227:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
gernotbelger@9227:  * documentation coming with Dive4Elements River for details.
gernotbelger@9227:  */
gernotbelger@9227: package org.dive4elements.river.client.client.ui.sinfo;
gernotbelger@9227: 
gernotbelger@9227: import java.util.List;
gernotbelger@9227: 
gernotbelger@9227: import org.dive4elements.river.client.client.FLYSConstants;
gernotbelger@9227: import org.dive4elements.river.client.client.ui.DatacagePairWidget.IDatacagePairControler;
gernotbelger@9227: import org.dive4elements.river.client.client.ui.DatacageWidget;
gernotbelger@9231: import org.dive4elements.river.client.client.ui.DatacageWidget.DatacageFilter;
gernotbelger@9231: import org.dive4elements.river.client.shared.model.AttrList;
gernotbelger@9231: import org.dive4elements.river.client.shared.model.DataCageNode;
gernotbelger@9227: 
gernotbelger@9227: import com.smartgwt.client.data.DataSource;
gernotbelger@9227: import com.smartgwt.client.data.DataSourceField;
gernotbelger@9227: import com.smartgwt.client.types.Alignment;
gernotbelger@9227: import com.smartgwt.client.types.FieldType;
gernotbelger@9227: import com.smartgwt.client.types.TitleOrientation;
gernotbelger@9227: import com.smartgwt.client.widgets.form.DynamicForm;
gernotbelger@9227: import com.smartgwt.client.widgets.form.events.ItemChangedEvent;
gernotbelger@9227: import com.smartgwt.client.widgets.form.events.ItemChangedHandler;
gernotbelger@9227: import com.smartgwt.client.widgets.grid.events.SelectionUpdatedEvent;
gernotbelger@9227: import com.smartgwt.client.widgets.grid.events.SelectionUpdatedHandler;
gernotbelger@9227: import com.smartgwt.client.widgets.layout.HLayout;
gernotbelger@9227: import com.smartgwt.client.widgets.tree.TreeNode;
gernotbelger@9227: 
gernotbelger@9227: /**
gernotbelger@9227:  * Implements special behavior when selecting soundings and waterlevels: datacage of waterlevels depends on selection of
gernotbelger@9227:  * sounding.
gernotbelger@9227:  *
gernotbelger@9227:  * @author Gernot Belger
gernotbelger@9227:  */
gernotbelger@9227: final class WaterlevelSoundingSelectionController implements IDatacagePairControler {
gernotbelger@9227: 
gernotbelger@9227:     private static final String FIELD_INTELLIGENCE = "field_intelligence";
gernotbelger@9227: 
gernotbelger@9227:     static final String ATTRIBUTE_YEAR = "year";
gernotbelger@9227: 
gernotbelger@9227:     private final FLYSConstants msg;
gernotbelger@9227: 
gernotbelger@9227:     private boolean turnFilterOff;
gernotbelger@9227: 
gernotbelger@9227:     public WaterlevelSoundingSelectionController(final FLYSConstants msg) {
gernotbelger@9227:         this.msg = msg;
gernotbelger@9227:     }
gernotbelger@9227: 
gernotbelger@9227:     @Override
gernotbelger@9227:     public void setup(final DatacageWidget soundingWidget, final DatacageWidget waterlevelWidget, final HLayout toolbarLayout) {
gernotbelger@9227: 
gernotbelger@9231:         /* do not show ever any soundings that do not have a year */
gernotbelger@9231:         soundingWidget.setFilter(new DatacageFilter() {
gernotbelger@9231:             @Override
gernotbelger@9231:             public boolean accept(final DataCageNode node) {
gernotbelger@9231: 
gernotbelger@9231:                 final AttrList attributes = node.getAttributes();
gernotbelger@9231:                 if (WaterlevelSoundingYearFilter.isFolder(attributes))
gernotbelger@9231:                     return true;
gernotbelger@9231: 
gernotbelger@9231:                 final String year = attributes.getValue(WaterlevelSoundingSelectionController.ATTRIBUTE_YEAR);
gernotbelger@9231: 
gernotbelger@9231:                 final Integer waterlevelYear = WaterlevelSoundingYearFilter.parseYear(year);
gernotbelger@9231:                 if (waterlevelYear == null) {
gernotbelger@9279:                     // should never happen, we should only show soundings that have a year
gernotbelger@9231:                     return false;
gernotbelger@9231:                 }
gernotbelger@9231: 
gernotbelger@9231:                 return true;
gernotbelger@9231:             }
gernotbelger@9231:         });
gernotbelger@9231: 
gernotbelger@9231:         /* react to selections of a sounding */
gernotbelger@9227:         soundingWidget.getTreeGrid().addSelectionUpdatedHandler(new SelectionUpdatedHandler() {
gernotbelger@9227: 
gernotbelger@9227:             @Override
gernotbelger@9227:             public void onSelectionUpdated(final SelectionUpdatedEvent event) {
gernotbelger@9227:                 final List<TreeNode> selection = soundingWidget.getPlainSelection();
gernotbelger@9227:                 handleSoundingChanged(waterlevelWidget, selection);
gernotbelger@9227:             }
gernotbelger@9227:         });
gernotbelger@9227: 
gernotbelger@9315:         /* check box to deactivate intelligence */
gernotbelger@9227:         final DynamicForm form = createIntelligenCheckbox();
gernotbelger@9227:         toolbarLayout.addMember(form);
gernotbelger@9227:         form.addItemChangedHandler(new ItemChangedHandler() {
gernotbelger@9227: 
gernotbelger@9227:             @Override
gernotbelger@9227:             public void onItemChanged(final ItemChangedEvent event) {
gernotbelger@9227:                 final Boolean value = (Boolean) form.getValue(FIELD_INTELLIGENCE);
gernotbelger@9227:                 checkboxToggled(value);
gernotbelger@9227:                 handleSoundingChanged(waterlevelWidget, soundingWidget.getPlainSelection());
gernotbelger@9227:             }
gernotbelger@9227:         });
gernotbelger@9227: 
gernotbelger@9231:         /* initialize by applying the current selection */
gernotbelger@9227:         handleSoundingChanged(waterlevelWidget, soundingWidget.getPlainSelection());
gernotbelger@9227:     }
gernotbelger@9227: 
gernotbelger@9227:     private DynamicForm createIntelligenCheckbox() {
gernotbelger@9227: 
gernotbelger@9227:         final DynamicForm form = new DynamicForm();
gernotbelger@9227:         form.setTitlePrefix("");
gernotbelger@9227:         form.setTitleSuffix(": ");
gernotbelger@9227:         form.setTitleAlign(Alignment.LEFT);
gernotbelger@9227:         form.setTitleOrientation(TitleOrientation.LEFT);
gernotbelger@9227: 
gernotbelger@9227:         final DataSourceField item = new DataSourceField(FIELD_INTELLIGENCE, FieldType.BOOLEAN);
gernotbelger@9227:         item.setTitle(this.msg.sinfo_deactivate_intelligent_datacord());
gernotbelger@9227: 
gernotbelger@9227:         final DataSource source = new DataSource();
gernotbelger@9227:         source.setFields(item);
gernotbelger@9227:         form.setDataSource(source);
gernotbelger@9227: 
gernotbelger@9227:         form.setValue(FIELD_INTELLIGENCE, false);
gernotbelger@9227: 
gernotbelger@9227:         return form;
gernotbelger@9227:     }
gernotbelger@9227: 
gernotbelger@9227:     protected final void checkboxToggled(final Boolean selected) {
gernotbelger@9227:         this.turnFilterOff = selected == null ? false : selected;
gernotbelger@9227:     }
gernotbelger@9227: 
gernotbelger@9227:     protected final void handleSoundingChanged(final DatacageWidget waterlevelWidget, final List<TreeNode> selection) {
gernotbelger@9227: 
gernotbelger@9227:         if (this.turnFilterOff) {
gernotbelger@9279:             // still filter waterlevels without year
gernotbelger@9279:             waterlevelWidget.setFilter(new WaterlevelSoundingYearFilter(null));
gernotbelger@9231:             waterlevelWidget.getTreeGrid().setEmptyMessage(this.msg.databasket_empty());
gernotbelger@9227:             return;
gernotbelger@9227:         }
gernotbelger@9227: 
gernotbelger@9231:         // more than one should never happen, as the bedhhave single selection
gernotbelger@9227:         final TreeNode soundingNode = selection.isEmpty() ? null : selection.get(0);
gernotbelger@9227: 
gernotbelger@9227:         if (soundingNode == null || soundingNode.getAttribute("factory") == null) {
gernotbelger@9227:             waterlevelWidget.setFilter(DatacageWidget.ACCEPT_NONE_FILTER);
gernotbelger@9227:             waterlevelWidget.getTreeGrid().setEmptyMessage(this.msg.sinfo_sounding_waterlevel_select_waterlevel());
gernotbelger@9227:             return;
gernotbelger@9227:         }
gernotbelger@9227: 
gernotbelger@9231:         final Integer soundingYear = WaterlevelSoundingYearFilter.parseYear(soundingNode.getAttribute(ATTRIBUTE_YEAR));
gernotbelger@9227: 
gernotbelger@9227:         if (soundingYear == null) {
gernotbelger@9227:             // should never happen, as we should only show soundings that actually have a year
gernotbelger@9227:             waterlevelWidget.setFilter(DatacageWidget.ACCEPT_NONE_FILTER);
gernotbelger@9231:             waterlevelWidget.getTreeGrid().setEmptyMessage("Die gewählte Peilung hat keine Informations zum Jahr");
gernotbelger@9231:         } else {
gernotbelger@9227:             waterlevelWidget.setFilter(new WaterlevelSoundingYearFilter(soundingYear));
gernotbelger@9231:             waterlevelWidget.getTreeGrid().setEmptyMessage(this.msg.databasket_empty());
gernotbelger@9227:         }
gernotbelger@9227:     }
gernotbelger@9227: }