Mercurial > dive4elements > river

annotate flys-client/src/main/java/org/dive4elements/river/client/client/ui/LocationPicker.java @ 5834:f507086aa94b

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Repaired internal references.
author Sascha L. Teichmann <teichmann@intevation.de>
date Thu, 25 Apr 2013 12:31:32 +0200
parents flys-client/src/main/java/de/intevation/flys/client/client/ui/LocationPicker.java@b195fede1c3b
children 821a02bbfb4e
rev   line source
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1 package de.intevation.flys.client.client.ui;
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2
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3 import java.util.LinkedHashMap;
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4
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5 import com.google.gwt.core.client.GWT;
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6 import com.google.gwt.i18n.client.NumberFormat;
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7 import com.smartgwt.client.data.AdvancedCriteria;
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8 import com.smartgwt.client.data.Criteria;
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9 import com.smartgwt.client.data.Criterion;
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10 import com.smartgwt.client.types.Alignment;
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11 import com.smartgwt.client.types.ListGridFieldType;
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12 import com.smartgwt.client.types.OperatorId;
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13 import com.smartgwt.client.widgets.form.DynamicForm;
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14 import com.smartgwt.client.widgets.form.fields.SelectItem;
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15 import com.smartgwt.client.widgets.form.fields.StaticTextItem;
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16 import com.smartgwt.client.widgets.form.fields.events.ChangedEvent;
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17 import com.smartgwt.client.widgets.form.fields.events.ChangedHandler;
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18 import com.smartgwt.client.widgets.grid.CellFormatter;
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19 import com.smartgwt.client.widgets.grid.ListGrid;
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20 import com.smartgwt.client.widgets.grid.ListGridField;
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21 import com.smartgwt.client.widgets.grid.ListGridRecord;
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22 import com.smartgwt.client.widgets.grid.events.CellClickHandler;
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23 import com.smartgwt.client.widgets.layout.HLayout;
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24
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25 import de.intevation.flys.client.client.FLYSConstants;
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26 import de.intevation.flys.client.client.event.FilterHandler;
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27 import de.intevation.flys.client.client.event.RangeFilterEvent;
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28 import de.intevation.flys.client.client.event.StringFilterEvent;
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29
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30 /**
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31 * Bundle widgets and handler for a lacation input helper.
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32 *
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33 * Note that the construction is weird and driven by issues that arose due to
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34 * reasons not understood.
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35 */
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36 public class LocationPicker
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37 implements FilterHandler
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38 {
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39 /** The message class that provides i18n strings.*/
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40 protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
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41
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42 /** The locations table. */
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43 protected ListGrid locationTable;
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44
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45 protected HLayout filterLayout;
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46
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47 DynamicForm resultCountForm;
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48
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49 CellClickHandler handler;
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50
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51 boolean isDistance = false;
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52
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53 /** Text to show number of matched items when filtered. */
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54 protected StaticTextItem filterResultCount;
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55
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56
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57 public LocationPicker(CellClickHandler handler) {
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58 locationTable = new ListGrid();
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59 locationTable.setShowHeaderContextMenu(false);
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60 this.handler = handler;
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61 }
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62
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63 public void prepareFilter() {
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64
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65 filterResultCount = new StaticTextItem(MSG.resultCount());
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66 filterResultCount.setTitleAlign(Alignment.LEFT);
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67 filterResultCount.setTitleStyle("color: #000");
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68
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69 final TableFilter filter = new TableFilter();
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70 filter.setHeight("30px");
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71 filter.addFilterHandler(this);
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72
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73 final RangeTableFilter filterRange = new RangeTableFilter();
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74 filterRange.setHeight("30px");
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75 filterRange.addFilterHandler(this);
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76 filterRange.setVisible(false);
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77
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78 SelectItem filterCriteria = new SelectItem();
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79 filterCriteria.setShowTitle(false);
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80 filterCriteria.setWidth(100);
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81 filterCriteria.addChangedHandler(new ChangedHandler() {
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82 public void onChanged(ChangedEvent e) {
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83 if(e.getValue().toString().equals("range")) {
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84 filterRange.setVisible(true);
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85 filter.setVisible(false);
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86 filter.clear();
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87 filterResultCount.setValue("");
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88 }
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89 else {
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90 filterRange.setVisible(false);
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91 filterRange.clear();
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92 filter.setVisible(true);
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93 filterResultCount.setValue("");
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94 }
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95 }
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96 });
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97
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98 LinkedHashMap<String, String> filterMap =
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99 new LinkedHashMap<String, String>();
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100 filterMap.put("description", MSG.description());
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101 filterMap.put("range", MSG.range());
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102 filterCriteria.setValueMap(filterMap);
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103 filterCriteria.setValue("description");
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104
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105 DynamicForm form = new DynamicForm();
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106 form.setFields(filterCriteria);
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107
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108 resultCountForm = new DynamicForm();
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109 resultCountForm.setFields(filterResultCount);
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110
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111 filterLayout = new HLayout();
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112 filterLayout.addMember(form);
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113 filterLayout.addMember(filter);
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114 filterLayout.addMember(filterRange);
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115 }
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116
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117
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118 /** Access the main widget, a table in which locations can be chosen. */
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119 public ListGrid getLocationTable() {
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120 return locationTable;
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121 }
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122
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123
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124 /** Access the 'form' that shows the filter result count. */
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125 public DynamicForm getResultCountForm() {
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126 return resultCountForm;
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127 }
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128
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129
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130 /** Access the layout containing filter stuff. */
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131 public HLayout getFilterLayout() {
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132 return filterLayout;
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133 }
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134
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135
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136 /**
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137 * This method creates a table that contains the location values.
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138 */
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139 public void createLocationTable(/*RecordClickHandler handler*/) {
1590
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140 GWT.log("Create Location Table in LocationPicker");
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141
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142 String baseUrl = GWT.getHostPageBaseURL();
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143
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144 locationTable.setWidth100();
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145 locationTable.setShowRecordComponents(true);
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146 locationTable.setShowRecordComponentsByCell(true);
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147 locationTable.setHeight100();
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148 locationTable.setEmptyMessage(MSG.empty_filter());
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149 locationTable.setCanReorderFields(false);
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150
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151 ListGridField addLocation = new ListGridField ("", "");
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152 addLocation.setType (ListGridFieldType.ICON);
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153 addLocation.setWidth (20);
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154 addLocation.setCellIcon (baseUrl + MSG.markerGreen());
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155 ListGridField addTo = new ListGridField ("", "");
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156 addTo.setType (ListGridFieldType.ICON);
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157 addTo.setWidth (20);
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158 addTo.setCellIcon (baseUrl + MSG.markerRed());
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159
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160 ListGridField ldescr = new ListGridField("description",
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161 MSG.description());
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162 ldescr.setType(ListGridFieldType.TEXT);
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163 ldescr.setWidth("*");
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164 ListGridField lside = new ListGridField("riverside",
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165 MSG.riverside());
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166 lside.setType(ListGridFieldType.TEXT);
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167 lside.setWidth("10%");
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168
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169 ListGridField loc = new ListGridField("from", MSG.location());
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170 loc.setCellFormatter(new CellFormatter() {
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171 public String format(
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172 Object value,
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173 ListGridRecord record,
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174 int rowNum, int colNum) {
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175 if (value == null) return null;
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176 try {
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177 NumberFormat nf;
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178 double v = Double.parseDouble((String)value);
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179 nf = NumberFormat.getFormat("###0.00##");
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180 return nf.format(v);
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181 }
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182 catch (Exception e) {
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183 return value.toString();
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184 }
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185 }
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186 }
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187 );
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188 loc.setType(ListGridFieldType.FLOAT);
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189
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190 loc.setWidth("10%");
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191
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192 ListGridField bottom =
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193 new ListGridField("bottom", MSG.bottom_edge());
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194 bottom.setType(ListGridFieldType.TEXT);
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195 bottom.setWidth("10%");
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196
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197 ListGridField top =
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198 new ListGridField("top", MSG.top_edge());
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199 top.setType(ListGridFieldType.TEXT);
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200 top.setWidth("10%");
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201 locationTable.addCellClickHandler(handler);
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202 if (isDistance) {
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203 locationTable.setFields(
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204 addLocation, addTo, ldescr, loc, lside, bottom, top);
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205 }
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206 else {
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207 locationTable.setFields(
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208 addLocation, ldescr, loc, lside, bottom, top);
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209 }
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210 }
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211
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212
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213 @Override
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214 public void onFilterCriteriaChanged(StringFilterEvent event) {
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215 String search = event.getFilter();
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216
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217 if (search != null && search.length() > 0) {
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218 Criteria c = new Criteria("description", search);
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diff changeset
219 locationTable.filterData(c);
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diff changeset
220 filterResultCount.setValue(locationTable.getRecords().length);
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221 }
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222 else {
2454
99bd77501188 Issue 514.
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223 locationTable.clearCriteria();
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224 filterResultCount.setValue("");
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225 }
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226 }
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227
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228
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diff changeset
229 @Override
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diff changeset
230 public void onFilterCriteriaChanged(RangeFilterEvent event) {
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parents:
diff changeset
231 Float from = event.getFrom() - 0.001f;
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diff changeset
232 Float to = event.getTo() + 0.001f;
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233
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diff changeset
234 Criterion combinedFilter = null;
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diff changeset
235 if (from.equals(Float.NaN) && to.equals(Float.NaN)) {
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diff changeset
236 locationTable.clearCriteria();
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237 filterResultCount.setValue("");
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238 return;
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239 }
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240 else if (from.equals(Float.NaN)) {
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diff changeset
241 combinedFilter =
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242 new Criterion("from", OperatorId.LESS_OR_EQUAL, to);
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243 }
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244 else if (to.equals(Float.NaN)) {
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diff changeset
245 combinedFilter =
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diff changeset
246 new Criterion("from", OperatorId.GREATER_OR_EQUAL, from);
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247 }
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parents:
diff changeset
248 else {
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parents:
diff changeset
249 combinedFilter =
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diff changeset
250 new AdvancedCriteria(OperatorId.AND, new Criterion[] {
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diff changeset
251 new Criterion("from", OperatorId.GREATER_OR_EQUAL, from),
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diff changeset
252 new Criterion("from", OperatorId.LESS_OR_EQUAL, to)
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diff changeset
253 });
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diff changeset
254 }
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parents:
diff changeset
255 locationTable.filterData(combinedFilter);
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parents:
diff changeset
256 filterResultCount.setValue(locationTable.getRecords().length);
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diff changeset
257 }
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258
480de0dbca8e Extended location input helper.
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259 public void setIsDistance(boolean value) {
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diff changeset
260 this.isDistance = value;
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diff changeset
261 }
480de0dbca8e Extended location input helper.
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262
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263 public boolean isDistance() {
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diff changeset
264 return this.isDistance;
480de0dbca8e Extended location input helper.
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diff changeset
265 }
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266 }
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diff changeset
267 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org