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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; |
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11 |
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12 import java.util.ArrayList; |
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13 import java.util.List; |
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14 |
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15 import org.dive4elements.river.client.client.ui.FromToTableHelperPanel.IColumnClickHandler; |
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16 import org.dive4elements.river.client.shared.model.Data; |
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17 import org.dive4elements.river.client.shared.model.DataItem; |
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18 import org.dive4elements.river.client.shared.model.DataList; |
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19 import org.dive4elements.river.client.shared.model.DefaultData; |
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20 import org.dive4elements.river.client.shared.model.DefaultDataItem; |
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21 |
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22 import com.smartgwt.client.widgets.Canvas; |
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23 import com.smartgwt.client.widgets.Label; |
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24 import com.smartgwt.client.widgets.form.fields.TextItem; |
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25 import com.smartgwt.client.widgets.layout.HLayout; |
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26 import com.smartgwt.client.widgets.layout.VLayout; |
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27 |
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28 /** |
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29 * @author Domenico Nardi Tironi |
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30 * |
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31 */ |
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32 public abstract class AbstractSingleItemPanel extends AbstractUIProvider { |
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33 |
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34 private static final long serialVersionUID = 1L; |
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35 |
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36 protected enum Type { |
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37 single, multi // "SingleItem" (Klassenname) meint, dass es nur ein einziges Eingabefeld gibt (nicht from-to; epoch) |
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38 // Type multi: append (year): es können mehrere Werte eingegeben werden; Leerzeichen-getrennt |
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39 // Type single: append (year, sohlhöhendifferenz): nur ein Wert ist zulässig |
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40 } |
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41 |
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42 private final Type type; |
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43 |
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44 private TextItem inputItem; |
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45 |
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46 private List<String> validInputs = new ArrayList<String>(); |
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47 |
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48 protected abstract String getDatakey(); |
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49 |
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50 protected abstract Canvas createWidget(final DataList data); |
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51 |
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52 public AbstractSingleItemPanel(final Type type) { |
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53 this.type = type; |
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54 } |
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55 |
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56 @Override |
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57 public final Canvas create(final DataList data) { |
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58 final VLayout layout = new VLayout(); |
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59 final IColumnClickHandler fromHandler = new IColumnClickHandler() { // add to external class |
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60 |
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61 @Override |
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62 public void columnClicked(final String value) { |
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63 appendValue(value); |
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64 } |
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65 }; |
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66 |
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67 final FromToTableHelperPanel helper = new FromToTableHelperPanel(data, getDatakey(), this.MSG, fromHandler, null); |
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68 final Canvas table = helper.getTable(); |
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69 this.validInputs = helper.getKeycolEntries(); |
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70 |
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71 this.helperContainer.addMember(table); |
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72 |
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73 final Canvas submit = getNextButton(); |
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74 final Canvas widget = createWidget(data); |
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75 |
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76 layout.addMember(widget); |
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77 layout.addMember(submit); |
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78 |
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79 return layout; |
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80 } |
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81 |
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82 @Override |
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83 public final Canvas createOld(final DataList dataList) { |
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84 final List<Data> items = dataList.getAll(); |
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85 final Data years = getData(items, getDatakey()); |
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86 final DataItem[] yearsItems = years.getItems(); |
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87 |
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88 final String v1 = yearsItems[0].getStringValue().replace(" ", ", "); |
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89 |
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90 final Label old = new Label(v1); |
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91 final HLayout layout = new HLayout(); |
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92 layout.setWidth("400px"); |
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93 |
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94 final Label label = new Label(dataList.getLabel()); |
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95 label.setWidth("200px"); |
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96 |
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97 final Canvas back = getBackButton(dataList.getState()); |
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98 |
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99 layout.addMember(label); |
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100 layout.addMember(old); |
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101 layout.addMember(back); |
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102 |
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103 return layout; |
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104 } |
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105 |
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106 @Override |
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107 protected final Data[] getData() { |
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108 final List<String> errors = this.validate(); |
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109 if (errors.size() > 0) { |
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110 showErrors(errors); // TODO: do not allow advance state |
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111 // return null; |
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112 } |
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113 if (this.inputItem != null && !this.inputItem.getValueAsString().isEmpty()) { |
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114 final List<Data> data = new ArrayList<Data>(); |
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115 |
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116 final DataItem yearsdata = new DefaultDataItem(getDatakey(), getDatakey(), this.inputItem.getValueAsString().trim()); |
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117 data.add(new DefaultData(getDatakey(), null, null, new DataItem[] { yearsdata })); |
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118 |
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119 return data.toArray(new Data[data.size()]); |
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120 } |
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121 return new Data[0]; |
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122 } |
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123 |
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124 protected final TextItem createInputItem(final String title) { |
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125 this.inputItem = PanelHelper.createItem(title);// new TextItem(title); |
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126 return this.inputItem; |
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127 } |
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128 |
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129 private final List<String> checkForEmpty() { |
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130 final List<String> errors = new ArrayList<String>(); |
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131 |
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132 if (this.inputItem.getValueAsString() == null || this.inputItem.getValueAsString().trim().isEmpty()) { |
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133 errors.add(this.MSG.empty_filter()); |
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134 return errors; |
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135 } |
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136 return errors; |
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137 } |
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138 |
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139 private final List<String> validateSingleInput(final String sValue) { |
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140 final List<String> errors = new ArrayList<String>(); |
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141 // String filtered = ""; |
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142 // int goodValues = 0; |
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143 |
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144 try { |
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145 Integer.parseInt(sValue); |
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146 } |
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147 catch (final NumberFormatException e) { |
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148 errors.add(this.MSG.wrongFormat() + ": " + sValue); |
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149 |
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150 } |
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151 boolean isGood = false; |
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152 for (final String validYear : this.validInputs) { |
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153 /* No list contains for strings? */ |
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154 if (sValue.equals(validYear)) { |
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155 isGood = true; |
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156 break; |
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157 } |
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158 } |
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159 if (!isGood) { |
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160 String tmp = errorForItemMsg(); |
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161 tmp = tmp.replace("$1", sValue); |
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162 errors.add(tmp); |
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163 // continue; |
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164 } |
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165 // goodValues++; |
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166 // if (goodValues > 1) { |
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167 // filtered += " " + Integer.toString(value); |
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168 // } else { |
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169 // filtered = Integer.toString(value); |
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170 // } |
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171 return errors; |
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172 } |
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173 |
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174 protected abstract String errorForItemMsg(); |
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175 |
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176 protected final void appendValue(final String value) { |
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177 |
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178 switch (this.type) { |
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179 case multi: |
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180 // APPEND = ADD to existing -> MULTI YEAR |
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181 final String oldYears = this.inputItem.getValueAsString(); |
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182 if (oldYears != null && !oldYears.isEmpty()) |
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183 this.inputItem.setValue(oldYears.trim() + " " + value); |
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184 else |
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185 this.inputItem.setValue(value); |
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186 |
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187 break; |
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188 |
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189 case single: |
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190 this.inputItem.setValue(value); |
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191 break; |
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192 |
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193 default: |
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194 throw new IllegalStateException(); |
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195 } |
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196 } |
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197 |
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198 @Override |
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199 public final List<String> validate() { |
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200 |
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201 final List<String> errors = new ArrayList<String>(); |
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202 errors.addAll(this.checkForEmpty()); |
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203 |
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204 final String sValue = this.inputItem.getValueAsString(); |
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205 |
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206 switch (this.type) { |
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207 case multi: |
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208 final String[] sValues = sValue.trim().split(" "); |
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209 for (final String value : sValues) { |
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210 errors.addAll(this.validateSingleInput(value)); |
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211 } |
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212 break; |
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213 |
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214 case single: |
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215 errors.addAll(this.validateSingleInput(sValue)); |
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216 break; |
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217 |
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218 default: |
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219 throw new IllegalStateException(); |
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220 } |
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221 |
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222 return errors; |
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223 } |
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224 } |
