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annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/DoubleArrayPanel.java @ 571:6ebe845a9d37

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#117 Improved double value parsing in DoubleArrayPanel and DoubleRangePanel. flys-client/trunk@2121 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 15 Jun 2011 08:28:54 +0000
parents 469528551b78
children 756bd8f0b97c
rev   line source
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ba7df4a24ae0 Added a new widget to enter w/Q values in single and range mode.
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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.Map;
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4
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5 import com.google.gwt.core.client.GWT;
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6 import com.google.gwt.i18n.client.NumberFormat;
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7
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8 import com.smartgwt.client.types.TitleOrientation;
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9 import com.smartgwt.client.widgets.form.DynamicForm;
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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.StaticTextItem;
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12 import com.smartgwt.client.widgets.form.fields.TextItem;
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13 import com.smartgwt.client.widgets.form.fields.events.BlurHandler;
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14
211
b92281182c6b Removed the FLYSMessages interface and replaced it with a FLYSConstants interface - this interface has the ability to lookup i18n strings with given keys.
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15 import de.intevation.flys.client.client.FLYSConstants;
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16
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17 public class DoubleArrayPanel
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18 extends DynamicForm
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19 {
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20 /** The message class that provides i18n strings.*/
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21 protected FLYSConstants MESSAGES = GWT.create(FLYSConstants.class);
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22
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23 protected TextItem ti;
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24
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25 /** The constant input field name.*/
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26 public static final String FIELD_NAME = "doublearray";
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27
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246
ccba1a0b743e The WQAdaptedInputPanel displays input fields for each gauge and returns the correct w/q values now.
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29 public DoubleArrayPanel(
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30 String title,
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31 double[] values,
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32 BlurHandler handler)
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33 {
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34 this(title, values, handler, TitleOrientation.RIGHT);
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35 }
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36
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37
42
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38 /**
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39 * Creates a new form with a single input field that displays an array of
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40 * double values.
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41 *
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42 * @param name The name of the TextItem.
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43 * @param title The title of the TextItem.
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44 * @param values The double values that should be displayed initially.
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45 * @param handler The BlurHandler that is used to valide the input.
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46 */
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47 public DoubleArrayPanel(
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48 String title,
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49 double[] values,
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50 BlurHandler handler,
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51 TitleOrientation titleOrientation)
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52 {
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53 ti = new TextItem(FIELD_NAME);
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54 StaticTextItem sti = new StaticTextItem("staticarray");
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55
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56 ti.setShowTitle(false);
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57 sti.setShowTitle(false);
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58 sti.setValue(title);
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59
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60 ti.addBlurHandler(handler);
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61
246
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62 if (titleOrientation == TitleOrientation.RIGHT) {
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63 setFields(ti, sti);
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64 }
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65 else {
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66 setFields(sti, ti);
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67 }
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68
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69 setTitleOrientation(titleOrientation);
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70 setNumCols(2);
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71
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72 if (values == null) {
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73 return;
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74 }
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75
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76 NumberFormat f = NumberFormat.getDecimalFormat();
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77
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78 StringBuilder text = new StringBuilder();
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79 boolean firstItem = true;
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80
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81 for (double val: values) {
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82 if (!firstItem) {
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83 text.append(" ");
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84 }
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85
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86 text.append(f.format(val));
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87
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88 firstItem = false;
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89 }
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90
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91 ti.setValue(text.toString());
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92 }
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93
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94
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95 /**
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96 * This method takes the double array to set the values to the textbox.
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97 *
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98 * @param values The double values.
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99 */
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100 public void setValues(double[] values) {
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101 NumberFormat f = NumberFormat.getDecimalFormat();
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102
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103 StringBuilder text = new StringBuilder();
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104 boolean firstItem = true;
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105 if (values != null) {
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106 for (double val: values) {
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107 if (!firstItem) {
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108 text.append(" ");
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109 }
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110
238
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111 text.append(f.format(val));
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112
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113 firstItem = false;
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114 }
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115 }
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116
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117 ti.clearValue();
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118 ti.setValue(text.toString());
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119 }
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120
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121
563
469528551b78 Introduced an input validation for the location panels.
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122 protected boolean validateForm() {
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123 return validateForm(ti);
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124 }
469528551b78 Introduced an input validation for the location panels.
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125
469528551b78 Introduced an input validation for the location panels.
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126
233
137daff2c732 Prepared UI elements for the location and distance input tables.
Raimund Renkert <raimund.renkert@intevation.de>
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127 /**
42
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128 * This method validates the entered text in the location input field. If
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129 * there are values that doesn't represent a valid location, an error is
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130 * displayed.
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131 *
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132 * @param item The FormItem.
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133 */
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134 protected boolean validateForm(FormItem item) {
59
a3d235c63195 Save the data explicitly in the LocationDistancePanel and WQInputPanel before returning the user input to avoid a nullpointer exception.
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135 if (item instanceof StaticTextItem) {
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136 return true;
a3d235c63195 Save the data explicitly in the LocationDistancePanel and WQInputPanel before returning the user input to avoid a nullpointer exception.
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137 }
a3d235c63195 Save the data explicitly in the LocationDistancePanel and WQInputPanel before returning the user input to avoid a nullpointer exception.
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138
42
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139 boolean valid = true;
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140 String value = (String) item.getValue();
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141
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142 if (value == null) {
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143 return valid;
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144 }
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145
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146 String[] parts = value.split(" ");
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147
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148 if (parts == null) {
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149 return valid;
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150 }
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151
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152 NumberFormat f = NumberFormat.getDecimalFormat();
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153 Map errors = getErrors();
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154
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155 try {
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156 for (String part: parts) {
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157 double location = f.parse(part);
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158 }
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159
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160 errors.remove(item.getFieldName());
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161 }
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162 catch (NumberFormatException nfe) {
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163 errors.put(item.getFieldName(), MESSAGES.wrongFormat());
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164
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165 valid = false;
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166 }
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167
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168 setErrors(errors, true);
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169
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170 return valid;
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171 }
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172
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173
ba7df4a24ae0 Added a new widget to enter w/Q values in single and range mode.
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174 /**
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175 * This method returns the double array that has been entered in
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176 * <i>item</i>.
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177 *
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178 * @param item The item that contains the desired values.
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179 *
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180 * @return the values as double array.
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181 */
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182 public double[] getInputValues(FormItem item) {
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183 String value = (String) item.getValue();
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184
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185 if (value == null) {
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186 return null;
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187 }
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188
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189 String[] parts = value.split(" ");
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190
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191 if (parts == null) {
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192 return null;
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193 }
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194
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195 NumberFormat f = NumberFormat.getDecimalFormat();
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196
571
6ebe845a9d37 #117 Improved double value parsing in DoubleArrayPanel and DoubleRangePanel.
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197 double[] values = new double[parts.length];
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198
42
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199 int i = 0;
571
6ebe845a9d37 #117 Improved double value parsing in DoubleArrayPanel and DoubleRangePanel.
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200 OUTER: for (String part: parts) {
42
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201 try {
571
6ebe845a9d37 #117 Improved double value parsing in DoubleArrayPanel and DoubleRangePanel.
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parents: 563
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202 double x = f.parse(part);
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203 for (int j = 0; j < i; ++j) {
6ebe845a9d37 #117 Improved double value parsing in DoubleArrayPanel and DoubleRangePanel.
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parents: 563
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204 if (values[j] == x) {
6ebe845a9d37 #117 Improved double value parsing in DoubleArrayPanel and DoubleRangePanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 563
diff changeset
205 continue OUTER;
6ebe845a9d37 #117 Improved double value parsing in DoubleArrayPanel and DoubleRangePanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 563
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206 }
6ebe845a9d37 #117 Improved double value parsing in DoubleArrayPanel and DoubleRangePanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 563
diff changeset
207 }
6ebe845a9d37 #117 Improved double value parsing in DoubleArrayPanel and DoubleRangePanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 563
diff changeset
208 values[i++] = x;
42
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209 }
ba7df4a24ae0 Added a new widget to enter w/Q values in single and range mode.
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210 catch (NumberFormatException nfe) {
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211 // do nothing
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212 }
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213 }
ba7df4a24ae0 Added a new widget to enter w/Q values in single and range mode.
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214
571
6ebe845a9d37 #117 Improved double value parsing in DoubleArrayPanel and DoubleRangePanel.
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parents: 563
diff changeset
215 double [] out = new double[i];
6ebe845a9d37 #117 Improved double value parsing in DoubleArrayPanel and DoubleRangePanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 563
diff changeset
216 System.arraycopy(values, 0, out, 0, i);
6ebe845a9d37 #117 Improved double value parsing in DoubleArrayPanel and DoubleRangePanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 563
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217
6ebe845a9d37 #117 Improved double value parsing in DoubleArrayPanel and DoubleRangePanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 563
diff changeset
218 return out;
42
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219 }
246
ccba1a0b743e The WQAdaptedInputPanel displays input fields for each gauge and returns the correct w/q values now.
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parents: 238
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220
ccba1a0b743e The WQAdaptedInputPanel displays input fields for each gauge and returns the correct w/q values now.
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parents: 238
diff changeset
221
ccba1a0b743e The WQAdaptedInputPanel displays input fields for each gauge and returns the correct w/q values now.
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parents: 238
diff changeset
222 /**
ccba1a0b743e The WQAdaptedInputPanel displays input fields for each gauge and returns the correct w/q values now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 238
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223 * Returns the double values of this panel.
ccba1a0b743e The WQAdaptedInputPanel displays input fields for each gauge and returns the correct w/q values now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 238
diff changeset
224 *
ccba1a0b743e The WQAdaptedInputPanel displays input fields for each gauge and returns the correct w/q values now.
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parents: 238
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225 * @return the double values of this panel.
ccba1a0b743e The WQAdaptedInputPanel displays input fields for each gauge and returns the correct w/q values now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 238
diff changeset
226 */
ccba1a0b743e The WQAdaptedInputPanel displays input fields for each gauge and returns the correct w/q values now.
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parents: 238
diff changeset
227 public double[] getInputValues() {
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diff changeset
228 return getInputValues(ti);
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diff changeset
229 }
42
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230 }
ba7df4a24ae0 Added a new widget to enter w/Q values in single and range mode.
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parents:
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231 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org