Mercurial > dive4elements > river
annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/LocationPanel.java @ 4310:a17d0afd0db9
NaviChartOutputTab: Whitespace and vimline added.
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Mon, 29 Oct 2012 16:46:57 +0100 |
parents | 360e22afb98b |
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1591
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1 package de.intevation.flys.client.client.ui; |
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2 |
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3 import com.google.gwt.core.client.GWT; |
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4 import com.google.gwt.i18n.client.NumberFormat; |
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5 |
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6 import com.smartgwt.client.data.Record; |
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7 import com.smartgwt.client.util.SC; |
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8 import com.smartgwt.client.widgets.Canvas; |
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9 import com.smartgwt.client.widgets.Label; |
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10 import com.smartgwt.client.widgets.form.fields.FormItem; |
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11 import com.smartgwt.client.widgets.form.fields.events.BlurEvent; |
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12 import com.smartgwt.client.widgets.form.fields.events.BlurHandler; |
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13 import com.smartgwt.client.widgets.grid.events.RecordClickEvent; |
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14 import com.smartgwt.client.widgets.layout.HLayout; |
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15 import com.smartgwt.client.widgets.layout.VLayout; |
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16 |
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17 import de.intevation.flys.client.shared.model.Data; |
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18 import de.intevation.flys.client.shared.model.DataItem; |
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19 import de.intevation.flys.client.shared.model.DataList; |
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20 |
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21 import java.util.ArrayList; |
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22 import java.util.List; |
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23 |
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24 /** |
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25 * This UIProvider serves as base for UI Providers to enter a single location (km). |
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26 */ |
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27 public abstract class LocationPanel |
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28 extends AbstractUIProvider |
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29 { |
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30 private static final long serialVersionUID = -5306604428440015046L; |
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31 |
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32 /** A container that will contain the location or the distance panel. */ |
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33 protected HLayout inputLayout; |
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34 |
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35 /** The minimal value that the user is allowed to enter. */ |
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36 protected double min; |
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37 |
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38 /** The maximal value that the user is allowed to enter. */ |
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39 protected double max; |
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40 |
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41 /** The values entered in the location mode. */ |
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42 protected double[] values; |
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43 |
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44 /** Name of the data item that keeps this location(s). */ |
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45 protected String dataItemName; |
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46 |
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47 /** The input panel for locations. */ |
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48 protected DoubleArrayPanel locationPanel; |
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49 |
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50 |
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51 /** |
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52 * Creates a new LocationDistancePanel instance. |
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53 */ |
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54 public LocationPanel() { |
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55 values = new double[0]; |
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56 } |
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57 |
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58 |
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59 /** |
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60 * This method creates a widget that contains a label, a panel with |
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61 * checkboxes to switch the input mode between location and distance input, |
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62 * and a mode specific panel. |
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63 * |
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64 * @param data The data that might be inserted. |
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65 * |
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66 * @return a panel. |
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67 */ |
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68 @Override |
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69 public Canvas create(DataList data) { |
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70 findDataItemName(data); |
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71 |
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72 VLayout layout = new VLayout(); |
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73 layout.setMembersMargin(10); |
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74 |
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75 // Subclass uses translated data items name as label. |
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76 Label label = new Label(MSG.location()); |
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77 Canvas widget = createWidget(data); |
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78 Canvas submit = getNextButton(); |
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79 |
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80 initDefaults(data); |
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81 |
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82 widget.setHeight(50); |
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83 label.setHeight(25); |
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84 |
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85 layout.addMember(label); |
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86 layout.addMember(widget); |
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87 layout.addMember(submit); |
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88 |
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89 return layout; |
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90 } |
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91 |
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92 |
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93 /** Store label of first data item in list. */ |
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94 public void findDataItemName(DataList list) { |
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95 this.dataItemName = list.getAll().get(0).getLabel(); |
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96 } |
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97 |
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98 |
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99 /** Get label of first data item that this uiprovider has seen. */ |
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100 public String getDataItemName() { |
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101 return this.dataItemName; |
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102 } |
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103 |
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104 |
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105 /** |
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106 * This method creates a Canvas element showing the old Data objects in the |
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107 * DataList <i>data</i>. |
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108 */ |
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109 @Override |
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110 public Canvas createOld(DataList dataList) { |
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111 findDataItemName(dataList); |
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112 |
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113 List<Data> items = dataList.getAll(); |
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114 Data dLocation = getData(items, getDataItemName()); |
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115 DataItem[] loc = dLocation.getItems(); |
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116 |
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117 HLayout layout = new HLayout(); |
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118 layout.setWidth("400px"); |
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119 |
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120 Label label = new Label(dataList.getLabel()); |
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121 label.setWidth("200px"); |
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122 |
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123 Canvas back = getBackButton(dataList.getState()); |
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124 |
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125 // TODO evaluate: isn't this what findDataItemName is doing? |
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126 Label selected = new Label(loc[0].getLabel()); |
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127 selected.setWidth("130px"); |
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128 |
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129 layout.addMember(label); |
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130 layout.addMember(selected); |
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131 layout.addMember(back); |
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132 |
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133 return layout; |
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134 } |
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135 |
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136 |
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137 /** |
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138 * This method reads the default values defined in the DataItems of the Data |
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139 * objects in <i>list</i>. |
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140 * |
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141 * @param list The DataList container that stores the Data objects. |
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142 */ |
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143 protected void initDefaults(DataList list) { |
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144 Data data = list.get(0); |
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145 |
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146 DataItem[] items = data.getItems(); |
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147 DataItem iMin = getDataItem(items, "min"); |
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148 DataItem iMax = getDataItem(items, "max"); |
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149 |
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150 try { |
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151 min = Double.parseDouble(iMin.getStringValue()); |
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152 max = Double.parseDouble(iMax.getStringValue()); |
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153 } |
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154 catch (NumberFormatException nfe) { |
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155 SC.warn(MSG.error_read_minmax_values()); |
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156 min = -Double.MAX_VALUE; |
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157 max = Double.MAX_VALUE; |
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158 } |
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159 |
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160 DataItem def = data.getDefault(); |
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161 String value = def.getStringValue(); |
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162 |
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163 try { |
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164 double d = Double.parseDouble(value); |
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165 setLocationValues(new double[] { d } ); |
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166 } |
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167 catch (NumberFormatException nfe) { |
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168 // could not parse, don't know what else to do |
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169 GWT.log("LocationPanel", nfe); |
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170 } |
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171 } |
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172 |
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173 |
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174 /** |
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175 * This method grabs the Data with name <i>name</i> from the list and |
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176 * returns it. |
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177 * |
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178 * @param items A list of Data. |
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179 * @param name The name of the Data that we are searching for. |
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180 * |
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181 * @return the Data with the name <i>name</i>. |
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182 */ |
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183 @Override |
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184 protected Data getData(List<Data> data, String name) { |
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185 for (Data d: data) { |
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186 if (name.equals(d.getLabel())) { |
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187 return d; |
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188 } |
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189 } |
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190 |
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191 return null; |
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192 } |
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193 |
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194 |
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195 protected Canvas createWidget(DataList data) { |
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196 VLayout layout = new VLayout(); |
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197 inputLayout = new HLayout(); |
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198 |
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199 // The initial view will display the location input mode. |
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200 locationPanel = new DoubleArrayPanel( |
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201 MSG.unitLocation(), |
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202 getLocationValues(), |
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203 new BlurHandler(){@Override |
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204 public void onBlur(BlurEvent be) {}}); |
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205 |
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206 // TODO Remove picker references, refactor such that subclasses can |
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207 // easily use their picker if they want. |
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208 //picker.getLocationTable().setAutoFetchData(true); |
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209 |
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210 inputLayout.addMember(locationPanel); |
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211 |
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212 layout.addMember(inputLayout); |
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213 |
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214 inputLayout.setMembersMargin(30); |
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215 |
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216 /* |
1591
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217 //picker.prepareFilter(); |
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218 helperContainer.addMember(picker.getLocationTable()); |
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219 helperContainer.addMember(picker.getFilterLayout()); |
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220 helperContainer.addMember(picker.getResultCountForm()); |
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221 */ |
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222 return layout; |
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223 } |
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224 |
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225 |
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226 @Override |
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227 public List<String> validate() { |
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228 List<String> errors = new ArrayList<String>(); |
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229 NumberFormat nf = NumberFormat.getDecimalFormat(); |
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230 |
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231 saveLocationValues(locationPanel); |
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232 |
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233 if (!locationPanel.validateForm()) { |
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|
234 errors.add(MSG.wrongFormat()); |
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235 return errors; |
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236 } |
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|
237 |
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238 double[] values = getLocationValues(); |
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Refactored.
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diff
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|
239 double[] good = new double[values.length]; |
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Refactored.
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240 int idx = 0; |
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|
241 |
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parents:
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242 for (double value: values) { |
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parents:
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243 if (value < min || value > max) { |
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Refactored.
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parents:
diff
changeset
|
244 String tmp = MSG.error_validate_range(); |
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Refactored.
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diff
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|
245 tmp = tmp.replace("$1", nf.format(value)); |
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diff
changeset
|
246 tmp = tmp.replace("$2", nf.format(min)); |
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diff
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|
247 tmp = tmp.replace("$3", nf.format(max)); |
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|
248 errors.add(tmp); |
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Refactored.
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249 } |
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parents:
diff
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|
250 else { |
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parents:
diff
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|
251 good[idx++] = value; |
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parents:
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|
252 } |
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|
253 } |
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parents:
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|
254 |
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parents:
diff
changeset
|
255 double[] justGood = new double[idx]; |
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Refactored.
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parents:
diff
changeset
|
256 for (int i = 0; i < justGood.length; i++) { |
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parents:
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|
257 justGood[i] = good[i]; |
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|
258 } |
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parents:
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|
259 |
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parents:
diff
changeset
|
260 if (!errors.isEmpty()) { |
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Refactored.
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parents:
diff
changeset
|
261 locationPanel.setValues(justGood); |
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Refactored.
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parents:
diff
changeset
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262 } |
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263 |
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264 return errors; |
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265 } |
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266 |
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267 |
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268 /** |
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269 * Validates and stores all values entered in the location mode. |
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270 * |
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271 * @param p The DoubleArrayPanel. |
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272 */ |
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273 protected void saveLocationValues(DoubleArrayPanel p) { |
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274 FormItem[] formItems = p.getFields(); |
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275 |
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276 for (FormItem item: formItems) { |
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277 if (item.getFieldName().equals(DoubleArrayPanel.FIELD_NAME)) { |
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278 saveLocationValue(p, item); |
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279 } |
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280 } |
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281 } |
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282 |
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283 |
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284 /** |
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285 * Validates and stores a value entered in the location mode. |
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286 * |
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287 * @param p The DoubleArrayPanel. |
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288 * @param item The item that needs to be validated. |
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289 */ |
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290 protected void saveLocationValue(DoubleArrayPanel p, FormItem item) { |
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291 if (p.validateForm(item)) { |
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292 setLocationValues(p.getInputValues(item)); |
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293 } |
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294 } |
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295 |
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296 |
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297 /** Get the location values. */ |
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298 protected double[] getLocationValues() { |
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299 return values; |
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300 } |
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301 |
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302 |
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303 /** Sets Location values and updates the panel. */ |
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304 protected void setLocationValues(double[] values) { |
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305 this.values = values; |
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306 locationPanel.setValues(values); |
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307 } |
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308 |
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309 |
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310 /** |
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311 * Callback when an item from the input helper was clicked. |
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312 * Set the respective km-value in the location value field. |
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313 * @param e event passed. |
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314 */ |
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315 public void onRecordClick (RecordClickEvent e) { |
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316 Record record = e.getRecord(); |
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317 double[] selected = new double[1]; |
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318 try { |
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319 selected[0] = |
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320 Double.parseDouble(record.getAttribute("from")); |
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321 } |
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322 catch(NumberFormatException nfe) { |
4131
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323 GWT.log("onRecordClick", nfe); |
1591
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324 } |
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325 setLocationValues(selected); |
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326 } |
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327 } |
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328 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |