Mercurial > dive4elements > river

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

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