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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 import java.util.TreeSet; |
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15 |
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16 import org.dive4elements.river.client.client.ui.FromToTableHelperPanel.IColumnClickHandler; |
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17 import org.dive4elements.river.client.shared.model.Data; |
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18 import org.dive4elements.river.client.shared.model.DataItem; |
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19 import org.dive4elements.river.client.shared.model.DataList; |
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20 import org.dive4elements.river.client.shared.model.DefaultData; |
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21 import org.dive4elements.river.client.shared.model.DefaultDataItem; |
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22 |
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23 import com.smartgwt.client.widgets.Canvas; |
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24 import com.smartgwt.client.widgets.Label; |
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25 import com.smartgwt.client.widgets.form.fields.TextItem; |
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26 import com.smartgwt.client.widgets.grid.ListGrid; |
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27 import com.smartgwt.client.widgets.grid.ListGridRecord; |
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28 import com.smartgwt.client.widgets.layout.HLayout; |
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29 import com.smartgwt.client.widgets.layout.VLayout; |
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30 |
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31 /** |
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32 * @author Domenico Nardi Tironi |
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33 * |
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34 */ |
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35 public abstract class AbstractEpochPanel extends AbstractUIProvider { |
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36 |
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37 private static final long serialVersionUID = 1L; |
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38 |
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39 protected enum Type { |
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40 singleMinMax, multi |
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41 // Type singleMinMax: nur eine Epoche kann gesetzt werden; minMax vorbelegt aus Datenquelle |
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42 // Type multi: mehrere epochs können eingegeben werden |
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43 } |
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44 |
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45 private TextItem start; |
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46 |
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47 private TextItem end; |
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48 |
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49 private ListGrid elements; |
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50 |
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51 private List<String> validInputs = new ArrayList<String>(); |
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52 |
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53 private final Type type; |
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54 |
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55 public AbstractEpochPanel(final Type type) { |
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56 this.type = type; |
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57 } |
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58 |
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59 protected abstract String getDatakey(); |
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60 |
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61 protected abstract Canvas createWidget(final DataList data); |
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62 |
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63 private final void postCreate() { |
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64 switch (this.type) { |
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65 case singleMinMax: |
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66 final TreeSet<String> minMax = new TreeSet<String>(this.validInputs); |
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67 if (minMax.size() > 1) { |
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68 this.start.setValue(minMax.first()); |
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69 this.end.setValue(minMax.last()); |
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70 } else { |
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71 // TODO: THIS STATE IS INVALID; RETURN - es gibt keinen Mechanismus, der das verhindert; müsste |
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72 // im State davor passieren) |
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73 } |
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74 break; |
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75 case multi: |
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76 break; // do nothing |
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77 default: |
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78 throw new IllegalStateException(); |
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79 } |
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80 } |
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81 |
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82 protected final TextItem createStartInputItem(final String title) { |
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83 this.start = PanelHelper.createItem(title); |
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84 return this.start; |
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85 } |
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86 |
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87 protected final TextItem createEndInputItem(final String title) { |
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88 this.end = PanelHelper.createItem(title); |
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89 return this.end; |
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90 } |
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91 |
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92 protected final ListGrid createListGrid() { |
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93 this.elements = new ListGrid(); |
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94 this.elements.setShowHeaderContextMenu(false); |
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95 this.elements.setCanReorderFields(false); |
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96 this.elements.setCanSort(false); |
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97 this.elements.setCanEdit(false); |
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98 return this.elements; |
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99 } |
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100 |
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101 @Override |
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102 public final Canvas createOld(final DataList dataList) { |
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103 final HLayout layout = new HLayout(); |
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104 layout.setWidth("400px"); |
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105 final VLayout vLayout = new VLayout(); |
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106 vLayout.setWidth(130); |
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107 final Label label = new Label(dataList.getLabel()); |
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108 label.setWidth("200px"); |
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109 label.setHeight(25); |
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110 |
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111 final List<Data> items = dataList.getAll(); |
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112 final Data str = getData(items, getDatakey()); |
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113 final DataItem[] strItems = str.getItems(); |
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114 |
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115 final String[] pairs = strItems[0].getLabel().split(";"); |
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116 for (final String pair : pairs) { |
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117 final Label dateLabel = new Label(pair.replace(",", " - ")); |
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118 dateLabel.setHeight(20); |
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119 vLayout.addMember(dateLabel); |
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120 } |
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121 final Canvas back = getBackButton(dataList.getState()); |
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122 layout.addMember(label); |
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123 layout.addMember(vLayout); |
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124 layout.addMember(back); |
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125 |
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126 return layout; |
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127 } |
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128 |
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129 @Override |
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130 public final Canvas create(final DataList data) { |
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131 final VLayout layout = new VLayout(); |
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132 final Canvas submit = getNextButton(); |
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133 final Canvas widget = createWidget(data); |
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134 |
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135 layout.addMember(widget); |
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136 layout.addMember(submit); |
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137 |
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138 final IColumnClickHandler fromHandler = createHandler(this.start); |
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139 final IColumnClickHandler toHandler = createHandler(this.end); |
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140 |
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141 final FromToTableHelperPanel helper = new FromToTableHelperPanel(data, getDatakey(), this.MSG, fromHandler, toHandler); |
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142 this.validInputs = helper.getKeycolEntries(); |
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143 final Canvas table = helper.getTable(); |
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144 |
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145 this.helperContainer.addMember(table); |
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146 |
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147 postCreate(); |
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148 return layout; |
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149 } |
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150 |
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151 private final IColumnClickHandler createHandler(final TextItem field) { |
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152 final IColumnClickHandler handler = new IColumnClickHandler() { |
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153 |
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154 @Override |
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155 public void columnClicked(final String value) { |
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156 field.setValue(value); |
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157 } |
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158 }; |
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159 return handler; |
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160 } |
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161 |
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162 /* |
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163 * Validate the epoch input. We do this here and not in an overridden |
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164 * validate method as we want to validate before an epoch is added |
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165 * to the list of epochs. |
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166 */ |
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167 protected final boolean isValidEpoch(final String y1, final String y2) { |
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168 // First check that both are integer |
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169 // int iY1; |
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170 // int iY2; |
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171 final List<String> errors = new ArrayList<String>(); |
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172 try { |
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173 // iY1 = |
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174 Integer.parseInt(y1); |
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175 } |
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176 catch (final NumberFormatException e) { |
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177 errors.add(this.MSG.wrongFormat() + ": " + y1); |
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178 } |
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179 try { |
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180 // iY2 = |
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181 Integer.parseInt(y2); |
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182 } |
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183 catch (final NumberFormatException e) { |
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184 errors.add(this.MSG.wrongFormat() + ": " + y2); |
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185 } |
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186 if (!errors.isEmpty()) { |
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187 showErrors(errors); |
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188 return false; |
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189 } |
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190 boolean startIsGood = false; |
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191 boolean endIsGood = false; |
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192 for (final String validYear : this.validInputs) { |
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193 if (startIsGood || y1.equals(validYear)) { |
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194 startIsGood = true; |
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195 } |
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196 if (endIsGood || y2.equals(validYear)) { |
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197 endIsGood = true; |
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198 } |
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199 if (startIsGood && endIsGood) { |
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200 break; |
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201 } |
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202 /* |
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203 * alternative check if data lies in between |
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204 * int aYear = Integer.parseInt(validYear); |
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205 * if (aYear >= iY1 && aYear <= iY2) { |
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206 * isGood = true; |
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207 * break; |
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208 * } |
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209 */ |
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210 } |
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211 if (!startIsGood) { |
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212 String tmp = this.MSG.no_data_for_year(); |
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213 tmp = tmp.replace("$1", y1); |
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214 errors.add(tmp); |
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215 } |
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216 if (!endIsGood) { |
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217 String tmp = this.MSG.no_data_for_year(); |
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218 tmp = tmp.replace("$1", y2); |
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219 errors.add(tmp); |
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220 } |
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221 if (!errors.isEmpty()) { |
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222 showErrors(errors); |
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223 return false; |
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224 } |
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225 return true; |
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226 } |
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227 |
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228 @Override |
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229 protected final Data[] getData() { |
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230 final List<Data> data = new ArrayList<Data>(); |
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231 switch (this.type) { |
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232 |
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233 case singleMinMax: |
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234 data.add(buildResult(this.start.getValueAsString(), this.end.getValueAsString())); |
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235 |
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236 break; |
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237 case multi: |
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238 final ListGridRecord[] lgr = this.elements.getRecords(); |
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239 if (lgr.length == 0) { |
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240 return new Data[0]; |
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241 } |
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242 for (final ListGridRecord element : lgr) { |
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243 data.add(buildResult(element.getAttribute("from"), element.getAttribute("to"))); |
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244 } |
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245 break; |
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246 default: |
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247 throw new IllegalStateException(); |
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248 } |
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249 return data.toArray(new Data[data.size()]); |
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250 } |
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251 |
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252 private final Data buildResult(final String startStr, final String endStr) { |
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253 final StringBuilder builder = new StringBuilder(); |
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254 builder.append(startStr); |
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255 builder.append(","); |
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256 builder.append(endStr); |
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257 builder.append(";"); |
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258 final DataItem item = new DefaultDataItem(getDatakey(), null, builder.toString()); |
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259 return new DefaultData(getDatakey(), null, null, new DataItem[] { item }); |
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260 } |
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261 |
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262 } |
