Mercurial > dive4elements > river
annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/SingleLocationPanel.java @ 1591:8ab010967f78
Refactored.
flys-client/trunk@3888 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Fri, 03 Feb 2012 08:30:58 +0000 |
parents | 4b773cfd11b5 |
children | ff9d71469b7c |
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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.ArrayList; |
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4 import java.util.List; |
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5 |
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6 import com.google.gwt.core.client.GWT; |
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7 import com.google.gwt.i18n.client.NumberFormat; |
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8 |
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9 import com.smartgwt.client.util.SC; |
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10 import com.smartgwt.client.widgets.Canvas; |
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11 import com.smartgwt.client.widgets.Label; |
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12 import com.smartgwt.client.widgets.form.fields.events.BlurHandler; |
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13 import com.smartgwt.client.widgets.form.fields.events.BlurEvent; |
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14 import com.smartgwt.client.widgets.form.fields.FormItem; |
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15 |
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16 import com.smartgwt.client.widgets.layout.HLayout; |
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17 import com.smartgwt.client.widgets.layout.VLayout; |
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18 |
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19 import com.smartgwt.client.widgets.grid.events.RecordClickHandler; |
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20 import com.smartgwt.client.widgets.grid.events.RecordClickEvent; |
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21 |
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22 import com.smartgwt.client.data.Record; |
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23 |
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24 import de.intevation.flys.client.shared.model.ArtifactDescription; |
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25 import de.intevation.flys.client.shared.model.Data; |
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26 import de.intevation.flys.client.shared.model.DataItem; |
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27 import de.intevation.flys.client.shared.model.DataList; |
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28 import de.intevation.flys.client.shared.model.DefaultData; |
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29 import de.intevation.flys.client.shared.model.DefaultDataItem; |
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30 import de.intevation.flys.client.shared.model.DistanceInfoObject; |
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31 import de.intevation.flys.client.shared.model.RangeData; |
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32 |
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33 import de.intevation.flys.client.client.services.DistanceInfoService; |
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34 import de.intevation.flys.client.client.services.DistanceInfoServiceAsync; |
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35 import de.intevation.flys.client.client.Config; |
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36 import de.intevation.flys.client.client.ui.range.DistanceInfoDataSource; |
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37 |
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38 |
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39 /** |
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40 * This UIProvider creates a widget to enter a single location (km). |
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41 * |
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42 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> |
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43 */ |
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44 public class SingleLocationPanel |
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45 extends LocationPanel |
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46 implements RecordClickHandler |
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47 { |
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48 /** The DistanceInfoService used to retrieve locations about rivers. */ |
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49 protected DistanceInfoServiceAsync distanceInfoService = |
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50 GWT.create(DistanceInfoService.class); |
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51 |
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52 /** The table data. */ |
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53 protected DistanceInfoObject[] tableData; |
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54 |
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55 /** Name of the data item that keeps locations. */ |
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56 protected String DATA_ITEM_NAME = "ld_locations"; |
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57 |
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58 /** The input helper (usually right side, table to click on, values are |
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59 * then entered in the texfield. */ |
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60 protected LocationPicker picker; |
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61 |
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62 /** |
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63 * Creates a new LocationDistancePanel instance. |
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64 */ |
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65 public SingleLocationPanel() { |
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66 picker = new LocationPicker(this); |
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67 } |
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68 |
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69 |
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70 /** |
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71 * This method creates a widget that contains a label, a panel with |
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72 * checkboxes to switch the input mode between location and distance input, |
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73 * and a mode specific panel. |
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74 * |
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75 * @param data The data that might be inserted. |
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76 * |
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77 * @return a panel. |
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78 */ |
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79 @Override |
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80 public Canvas create(DataList data) { |
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81 VLayout layout = new VLayout(); |
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82 layout.setMembersMargin(10); |
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83 |
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84 Label label = new Label(MSG.location ()); |
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85 Canvas widget = createWidget(data); |
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86 Canvas submit = getNextButton(); |
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87 |
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88 initDefaults(data); |
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89 |
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90 picker.createLocationTable(); |
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91 |
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92 widget.setHeight(50); |
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93 label.setHeight(25); |
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94 |
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95 layout.addMember(label); |
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96 layout.addMember(widget); |
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97 layout.addMember(submit); |
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98 |
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99 return layout; |
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100 } |
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101 |
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102 |
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103 /** |
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104 * This method reads the default values defined in the DataItems of the Data |
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105 * objects in <i>list</i>. |
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106 * |
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107 * @param list The DataList container that stores the Data objects. |
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108 */ |
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109 protected void initDefaults(DataList list) { |
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110 Data data = list.get(0); |
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111 |
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112 /* |
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113 // Compatibility with MinMax- DataItems: |
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114 RangeData rangeData = null; |
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115 |
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116 for (int i = 0, n = list.size(); i < n; i++) { |
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117 Data tmp = list.get(i); |
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118 |
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119 if (tmp instanceof RangeData) { |
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120 rangeData = (RangeData) tmp; |
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121 } |
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122 } |
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123 |
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124 if (rangeData != null) { |
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125 min = Double.parseDouble(rangeData.getDefaultLower().toString()); |
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126 max = Double.parseDouble(rangeData.getDefaultUpper().toString()); |
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127 // catch ..? |
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128 } |
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129 */ |
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130 |
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131 if (false) {} |
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132 else { |
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133 DataItem[] items = data.getItems(); |
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134 DataItem iMin = getDataItem(items, "min"); |
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135 DataItem iMax = getDataItem(items, "max"); |
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136 |
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137 try { |
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138 min = Double.parseDouble(iMin.getStringValue()); |
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139 max = Double.parseDouble(iMax.getStringValue()); |
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140 } |
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141 catch (NumberFormatException nfe) { |
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142 SC.warn(MSG.error_read_minmax_values()); |
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143 min = -Double.MAX_VALUE; |
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144 max = Double.MAX_VALUE; |
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145 } |
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146 } |
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147 |
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148 DataItem def = data.getDefault(); |
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149 String value = def.getStringValue(); |
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150 |
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151 try { |
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152 double d = Double.parseDouble(value); |
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153 setLocationValues(new double[] { d } ); |
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154 } |
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155 catch (NumberFormatException nfe) { |
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156 // could not parse, dont know what to do else |
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157 } |
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158 } |
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159 |
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160 |
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161 protected Canvas createWidget(DataList data) { |
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162 VLayout layout = new VLayout(); |
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163 inputLayout = new HLayout(); |
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164 |
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165 // The initial view will display the location input mode. |
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166 locationPanel = new DoubleArrayPanel( |
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167 MSG.unitLocation(), |
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168 getLocationValues(), |
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169 new BlurHandler(){public void onBlur(BlurEvent be) {}}); |
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170 |
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171 picker.getLocationTable().setAutoFetchData(true); |
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172 |
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173 inputLayout.addMember(locationPanel); |
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174 |
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175 layout.addMember(inputLayout); |
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176 |
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177 inputLayout.setMembersMargin(30); |
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178 |
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179 picker.prepareFilter(); |
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180 |
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181 helperContainer.addMember(picker.getLocationTable()); |
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182 helperContainer.addMember(picker.getFilterLayout()); |
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183 helperContainer.addMember(picker.getResultCountForm()); |
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184 setPickerDataSource(); |
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185 return layout; |
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186 } |
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187 |
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188 |
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189 /** |
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190 * This method grabs the Data with name <i>name</i> from the list and |
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191 * returns it. |
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192 * |
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193 * @param items A list of Data. |
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194 * @param name The name of the Data that we are searching for. |
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195 * |
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196 * @return the Data with the name <i>name</i>. |
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197 */ |
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198 @Override |
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199 protected Data getData(List<Data> data, String name) { |
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200 for (Data d: data) { |
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201 if (name.equals(d.getLabel())) { |
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202 return d; |
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203 } |
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204 } |
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205 |
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206 return null; |
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207 } |
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208 |
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209 |
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210 /** |
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211 * This method returns the selected data. |
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212 * |
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213 * @return the selected/inserted data. |
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214 */ |
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215 public Data[] getData() { |
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216 saveLocationValues(locationPanel); |
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217 double[] values = getLocationValues(); |
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218 Data[] data = new Data[values.length+1]; |
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219 |
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220 for (int i = 0; i < values.length; i++) { |
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221 data[i] = createDataArray(DATA_ITEM_NAME, |
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222 Double.valueOf(values[i]).toString()); |
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223 } |
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224 data[values.length] = createDataArray("ld_mode", "locations"); |
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225 |
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226 return data; |
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227 } |
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228 |
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229 |
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230 /** Hook service to the listgrid with possible input values. */ |
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231 protected void setPickerDataSource() { |
238
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232 Config config = Config.getInstance(); |
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233 String url = config.getServerUrl(); |
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234 String river = ""; |
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235 |
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236 ArtifactDescription adescr = artifact.getArtifactDescription(); |
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237 DataList[] data = adescr.getOldData(); |
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238 |
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239 // Try to find a "river" data item to set the source for the |
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240 // list grid. |
238
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241 if (data != null && data.length > 0) { |
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242 for (int i = 0; i < data.length; i++) { |
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243 DataList dl = data[i]; |
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244 if (dl.getState().equals("state.winfo.river") || |
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245 dl.getState().equals("state.chart.river")) { |
238
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246 for (int j = 0; j < dl.size(); j++) { |
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247 Data d = dl.get(j); |
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248 DataItem[] di = d.getItems(); |
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249 if (di != null && di.length == 1) { |
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250 river = d.getItems()[0].getStringValue(); |
276
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251 break; |
238
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252 } |
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253 } |
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254 } |
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255 } |
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256 } |
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257 |
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258 picker.getLocationTable().setDataSource(new DistanceInfoDataSource( |
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259 url, river, "locations")); |
238
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260 } |
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261 |
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262 |
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263 /** |
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264 * Callback when an item from the input helper was clicked. |
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265 * Set the respective km-value in the location value field. |
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266 * @param e event passed. |
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267 */ |
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268 public void onRecordClick (RecordClickEvent e) { |
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269 Record record = e.getRecord(); |
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270 double[] selected = new double[1]; |
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271 try { |
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272 selected[0] = |
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273 Double.parseDouble(record.getAttribute("from")); |
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274 } |
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275 catch(NumberFormatException nfe) { |
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276 // Is there anything else to do here? |
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277 } |
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278 setLocationValues(selected); |
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279 } |
238
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280 } |
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281 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |