Mercurial > dive4elements > river
annotate gwt-client/src/main/java/org/dive4elements/river/client/client/ui/DoubleArrayPanel.java @ 9276:3141f0e7314e
clone for bundu.ws.wq
author | gernotbelger |
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date | Thu, 19 Jul 2018 17:54:10 +0200 |
parents | ea9eef426962 |
children | bc9a45d2b1fa |
rev | line source |
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde |
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2 * Software engineering by Intevation GmbH |
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3 * |
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4 * This file is Free Software under the GNU AGPL (>=v3) |
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the |
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6 * documentation coming with Dive4Elements River for details. |
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7 */ |
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8 |
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9 package org.dive4elements.river.client.client.ui; |
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10 |
9276 | 11 import java.util.Map; |
12 | |
13 import org.dive4elements.river.client.client.FLYSConstants; | |
14 | |
42
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15 import com.google.gwt.core.client.GWT; |
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16 import com.google.gwt.i18n.client.NumberFormat; |
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17 import com.smartgwt.client.types.TitleOrientation; |
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18 import com.smartgwt.client.widgets.form.DynamicForm; |
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19 import com.smartgwt.client.widgets.form.fields.FormItem; |
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20 import com.smartgwt.client.widgets.form.fields.StaticTextItem; |
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21 import com.smartgwt.client.widgets.form.fields.TextItem; |
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22 import com.smartgwt.client.widgets.form.fields.events.BlurHandler; |
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23 import com.smartgwt.client.widgets.form.fields.events.FocusHandler; |
42
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24 |
9276 | 25 public class DoubleArrayPanel extends DynamicForm { |
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26 /** The message class that provides i18n strings. */ |
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27 protected FLYSConstants MESSAGES = GWT.create(FLYSConstants.class); |
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28 |
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29 protected TextItem ti; |
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30 |
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31 private String title; |
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32 |
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33 /** The constant input field name. */ |
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34 public static final String FIELD_NAME = "doublearray"; |
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35 |
9276 | 36 public DoubleArrayPanel(final String title, final double[] values, final BlurHandler handler) { |
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37 this(title, values, handler, null, TitleOrientation.RIGHT); |
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38 } |
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39 |
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40 /** |
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41 * Creates a new form with a single input field that displays an array of |
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42 * double values. |
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43 * |
9276 | 44 * @param name |
45 * The name of the TextItem. | |
46 * @param title | |
47 * The title of the TextItem. | |
48 * @param values | |
49 * The double values that should be displayed initially. | |
50 * @param blurHandler | |
51 * The BlurHandler that is used to valide the input. | |
52 * @param focusHandler | |
53 * The FocueHandler that is used to valide the input. | |
42
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54 */ |
9276 | 55 public DoubleArrayPanel(final String title, final double[] values, final BlurHandler blurHandler, final FocusHandler focusHandler, |
56 final TitleOrientation titleOrientation) { | |
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57 this.title = title; |
9276 | 58 this.ti = new TextItem(FIELD_NAME); |
59 final StaticTextItem sti = new StaticTextItem("staticarray"); | |
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60 |
9276 | 61 this.ti.setShowTitle(false); |
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62 sti.setShowTitle(false); |
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63 sti.setValue(title); |
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64 |
9276 | 65 this.ti.addBlurHandler(blurHandler); |
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66 if (focusHandler != null) { |
9276 | 67 this.ti.addFocusHandler(focusHandler); |
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68 } |
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69 |
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70 if (titleOrientation == TitleOrientation.RIGHT) { |
9276 | 71 setFields(this.ti, sti); |
72 } else { | |
73 setFields(sti, this.ti); | |
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74 } |
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75 |
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76 setTitleOrientation(titleOrientation); |
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77 setNumCols(2); |
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78 |
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79 if (values == null) { |
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80 return; |
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81 } |
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82 |
9276 | 83 final NumberFormat f = NumberFormat.getDecimalFormat(); |
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84 |
9276 | 85 final StringBuilder text = new StringBuilder(); |
86 boolean firstItem = true; | |
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87 |
9276 | 88 for (final double val : values) { |
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89 if (!firstItem) { |
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90 text.append(" "); |
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91 } |
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92 |
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93 text.append(f.format(val)); |
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94 |
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95 firstItem = false; |
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96 } |
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97 |
9276 | 98 this.ti.setValue(text.toString()); |
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99 } |
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100 |
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101 /** |
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102 * This method takes the double array to set the values to the textbox. |
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103 * |
9276 | 104 * @param values |
105 * The double values. | |
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106 */ |
9276 | 107 public void setValues(final double[] values) { |
108 final NumberFormat f = NumberFormat.getDecimalFormat(); | |
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109 |
9276 | 110 if (values == null || values.length == 0) { |
111 this.ti.clearValue(); | |
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112 return; |
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113 } |
9276 | 114 final StringBuilder text = new StringBuilder(); |
115 boolean firstItem = true; | |
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116 if (values != null) { |
9276 | 117 for (final double val : values) { |
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118 if (!firstItem) { |
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119 text.append(" "); |
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120 } |
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121 |
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122 text.append(f.format(val)); |
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123 |
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124 firstItem = false; |
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125 } |
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126 } |
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127 |
9276 | 128 this.ti.clearValue(); |
129 this.ti.setValue(text.toString()); | |
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130 } |
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131 |
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132 /** |
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133 * This method appends a double value to the current list of values. |
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134 * |
9276 | 135 * @param value |
136 * A new value. | |
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137 */ |
9276 | 138 public void addValue(final double value) { |
139 final NumberFormat f = NumberFormat.getDecimalFormat(); | |
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140 |
9276 | 141 String current = this.ti.getValueAsString(); |
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142 |
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143 if (current == null || current.length() == 0) { |
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144 current = f.format(value); |
9276 | 145 } else { |
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146 current += " " + f.format(value); |
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147 } |
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148 |
9276 | 149 this.ti.setValue(current); |
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150 } |
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151 |
9276 | 152 public boolean validateForm() { |
153 return validateForm(this.ti); | |
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154 } |
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155 |
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156 /** |
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157 * This method validates the entered text in the location input field. If |
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158 * there are values that doesn't represent a valid location, an error is |
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159 * displayed. |
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160 * |
9276 | 161 * @param item |
162 * The FormItem. | |
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163 */ |
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164 @SuppressWarnings("unchecked") |
9276 | 165 protected boolean validateForm(final FormItem item) { |
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166 if (item instanceof StaticTextItem) { |
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167 return true; |
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168 } |
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169 |
9276 | 170 boolean valid = true; |
171 final String value = (String) item.getValue(); | |
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172 |
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173 if (value == null) { |
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174 return valid; |
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175 } |
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176 |
9276 | 177 final String[] parts = value.split("\\s+"); |
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178 |
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179 if (parts == null) { |
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180 return valid; |
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181 } |
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182 |
9276 | 183 final NumberFormat nf = NumberFormat.getDecimalFormat(); |
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184 @SuppressWarnings("rawtypes") |
9276 | 185 final Map errors = getErrors(); |
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186 |
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187 try { |
9276 | 188 for (final String part : parts) { |
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189 |
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190 if (part.length() == 0) { |
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191 continue; |
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192 } |
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193 |
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194 nf.parse(part); |
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195 } |
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196 |
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197 errors.remove(item.getFieldName()); |
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198 } |
9276 | 199 catch (final NumberFormatException nfe) { |
200 errors.put(item.getFieldName(), this.MESSAGES.wrongFormat()); | |
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201 |
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202 valid = false; |
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203 } |
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204 |
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205 setErrors(errors, true); |
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206 |
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207 return valid; |
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208 } |
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209 |
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210 /** |
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211 * This method returns the double array that has been entered in |
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212 * <i>item</i>. |
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213 * |
9276 | 214 * @param item |
215 * The item that contains the desired values. | |
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216 * |
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217 * @return the values as double array. |
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218 */ |
9276 | 219 public double[] getInputValues(final FormItem item) { |
220 final String value = (String) item.getValue(); | |
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221 |
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222 if (value == null) { |
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223 return null; |
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224 } |
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225 |
9276 | 226 final String[] parts = value.split("\\s+"); |
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227 |
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228 if (parts == null) { |
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229 return null; |
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230 } |
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231 |
9276 | 232 final NumberFormat f = NumberFormat.getDecimalFormat(); |
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233 |
9276 | 234 final double[] values = new double[parts.length]; |
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235 |
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236 int i = 0; |
9276 | 237 OUTER: for (final String part : parts) { |
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238 if (part.length() == 0) { |
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239 continue; |
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240 } |
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241 |
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242 try { |
9276 | 243 final double x = f.parse(part); |
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244 for (int j = 0; j < i; ++j) { |
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245 if (values[j] == x) { |
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246 continue OUTER; |
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247 } |
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248 } |
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249 values[i++] = x; |
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250 } |
9276 | 251 catch (final NumberFormatException nfe) { |
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252 // do nothing |
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253 } |
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254 } |
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255 |
9276 | 256 final double[] out = new double[i]; |
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257 System.arraycopy(values, 0, out, 0, i); |
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258 |
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259 return out; |
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260 } |
246
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261 |
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262 /** |
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263 * Returns the double values of this panel. |
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264 * |
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265 * @return the double values of this panel. |
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266 */ |
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267 public double[] getInputValues() { |
9276 | 268 return getInputValues(this.ti); |
246
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269 } |
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270 |
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271 public String getItemTitle() { |
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272 return this.title; |
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273 } |
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274 } |
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275 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |