Mercurial > dive4elements > river

comparison gwt-client/src/main/java/org/dive4elements/river/client/client/ui/sinfo/WaterlevelSoundingSelectionController.java @ 9227:84397da33d17

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Allow to control specific behaviour in TwinDatacagePanel Implemented client logic of 'intelligent datacage filtering' for SINFO
author gernotbelger
date Wed, 04 Jul 2018 18:28:08 +0200
parents
children 082e8e808902
comparison
equal deleted inserted replaced
9226:83aee0942eae 9227:84397da33d17
1 /** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde
2 * Software engineering by
3 * Björnsen Beratende Ingenieure GmbH
4 * Dr. Schumacher Ingenieurbüro für Wasser und Umwelt
5 *
6 * This file is Free Software under the GNU AGPL (>=v3)
7 * and comes with ABSOLUTELY NO WARRANTY! Check out the
8 * documentation coming with Dive4Elements River for details.
9 */
10 package org.dive4elements.river.client.client.ui.sinfo;
11
12 import java.util.List;
13
14 import org.dive4elements.river.client.client.FLYSConstants;
15 import org.dive4elements.river.client.client.ui.DatacagePairWidget.IDatacagePairControler;
16 import org.dive4elements.river.client.client.ui.DatacageWidget;
17
18 import com.smartgwt.client.data.DataSource;
19 import com.smartgwt.client.data.DataSourceField;
20 import com.smartgwt.client.types.Alignment;
21 import com.smartgwt.client.types.FieldType;
22 import com.smartgwt.client.types.TitleOrientation;
23 import com.smartgwt.client.widgets.form.DynamicForm;
24 import com.smartgwt.client.widgets.form.events.ItemChangedEvent;
25 import com.smartgwt.client.widgets.form.events.ItemChangedHandler;
26 import com.smartgwt.client.widgets.grid.events.SelectionUpdatedEvent;
27 import com.smartgwt.client.widgets.grid.events.SelectionUpdatedHandler;
28 import com.smartgwt.client.widgets.layout.HLayout;
29 import com.smartgwt.client.widgets.tree.TreeNode;
30
31 /**
32 * Implements special behavior when selecting soundings and waterlevels: datacage of waterlevels depends on selection of
33 * sounding.
34 *
35 * @author Gernot Belger
36 */
37 final class WaterlevelSoundingSelectionController implements IDatacagePairControler {
38
39 private static final String FIELD_INTELLIGENCE = "field_intelligence";
40
41 static final String ATTRIBUTE_YEAR = "year";
42
43 private final FLYSConstants msg;
44
45 private boolean turnFilterOff;
46
47 public WaterlevelSoundingSelectionController(final FLYSConstants msg) {
48 this.msg = msg;
49 }
50
51 @Override
52 public void setup(final DatacageWidget soundingWidget, final DatacageWidget waterlevelWidget, final HLayout toolbarLayout) {
53
54 soundingWidget.getTreeGrid().addSelectionUpdatedHandler(new SelectionUpdatedHandler() {
55
56 @Override
57 public void onSelectionUpdated(final SelectionUpdatedEvent event) {
58 final List<TreeNode> selection = soundingWidget.getPlainSelection();
59 handleSoundingChanged(waterlevelWidget, selection);
60 }
61 });
62
63 final DynamicForm form = createIntelligenCheckbox();
64 toolbarLayout.addMember(form);
65 form.addItemChangedHandler(new ItemChangedHandler() {
66
67 @Override
68 public void onItemChanged(final ItemChangedEvent event) {
69 final Boolean value = (Boolean) form.getValue(FIELD_INTELLIGENCE);
70 checkboxToggled(value);
71 handleSoundingChanged(waterlevelWidget, soundingWidget.getPlainSelection());
72 }
73 });
74
75 /* init to current selection */
76 handleSoundingChanged(waterlevelWidget, soundingWidget.getPlainSelection());
77 }
78
79 private DynamicForm createIntelligenCheckbox() {
80
81 final DynamicForm form = new DynamicForm();
82 form.setTitlePrefix("");
83 form.setTitleSuffix(": ");
84 form.setTitleAlign(Alignment.LEFT);
85 form.setTitleOrientation(TitleOrientation.LEFT);
86
87 final DataSourceField item = new DataSourceField(FIELD_INTELLIGENCE, FieldType.BOOLEAN);
88 item.setTitle(this.msg.sinfo_deactivate_intelligent_datacord());
89
90 final DataSource source = new DataSource();
91 source.setFields(item);
92 form.setDataSource(source);
93
94 form.setValue(FIELD_INTELLIGENCE, false);
95
96 return form;
97 }
98
99 protected final void checkboxToggled(final Boolean selected) {
100 this.turnFilterOff = selected == null ? false : selected;
101 }
102
103 protected final void handleSoundingChanged(final DatacageWidget waterlevelWidget, final List<TreeNode> selection) {
104
105 if (this.turnFilterOff) {
106 waterlevelWidget.setFilter(DatacageWidget.ACCEPT_ALL_FILTER);
107 waterlevelWidget.getTreeGrid().setEmptyMessage(this.msg.databasket_loading());
108 return;
109 }
110
111 // more than one should never happen, as the have single selection
112 final TreeNode soundingNode = selection.isEmpty() ? null : selection.get(0);
113
114 if (soundingNode == null || soundingNode.getAttribute("factory") == null) {
115 waterlevelWidget.setFilter(DatacageWidget.ACCEPT_NONE_FILTER);
116 waterlevelWidget.getTreeGrid().setEmptyMessage(this.msg.sinfo_sounding_waterlevel_select_waterlevel());
117 return;
118 }
119
120 final Integer soundingYear = getYear(soundingNode);
121
122 if (soundingYear == null) {
123 // should never happen, as we should only show soundings that actually have a year
124 waterlevelWidget.setFilter(DatacageWidget.ACCEPT_NONE_FILTER);
125 waterlevelWidget.getTreeGrid().setEmptyMessage("Der gewählte Wassrspiegel hat keine Informations zum Jahr");
126 } else
127 waterlevelWidget.setFilter(new WaterlevelSoundingYearFilter(soundingYear));
128 }
129
130 private static Integer getYear(final TreeNode soundingNode) {
131 final String year = soundingNode.getAttribute(ATTRIBUTE_YEAR);
132 if (year == null || year.trim().isEmpty())
133 return null;
134
135 try {
136 return Integer.valueOf(year);
137 }
138 catch (final NumberFormatException e) {
139 e.printStackTrace();
140 return null;
141 }
142 }
143 }
http://dive4elements.wald.intevation.org