annotate gwt-client/src/main/java/org/dive4elements/river/client/client/ui/DoubleRangePanel.java @ 7602:c50dbbe17950

issue1596: Store table (cell) data twice: Once as (formatted) string as coming from server, once transformed into float (or string). The benefit is that now we can sort table data numerically, while keeping the formatted and i18ned display of values.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Wed, 27 Nov 2013 14:55:25 +0100
parents ea9eef426962
children 1d6b957d8953
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
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11 import com.google.gwt.core.client.GWT;
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12 import com.google.gwt.i18n.client.NumberFormat;
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13
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14 import com.smartgwt.client.types.Alignment;
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15 import com.smartgwt.client.widgets.form.DynamicForm;
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16 import com.smartgwt.client.widgets.form.fields.FloatItem;
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17 import com.smartgwt.client.widgets.form.fields.FormItem;
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18 import com.smartgwt.client.widgets.form.fields.StaticTextItem;
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19 import com.smartgwt.client.widgets.form.fields.events.BlurHandler;
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20
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21 import org.dive4elements.river.client.client.FLYSConstants;
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22
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360e22afb98b Cosmetics, warnings and minor TODOs.
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23 import java.util.Map;
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24
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25
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26 /**
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27 * This class creates a DynamicForm with three input fields.
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28 *
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29 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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30 */
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31 public class DoubleRangePanel
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32 extends DynamicForm
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33 {
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34 /** The message class that provides i18n strings.*/
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35 protected FLYSConstants MESSAGES = GWT.create(FLYSConstants.class);
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36
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37
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38 /** The constant name of the input field to enter the start of a distance.*/
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39 public static final String FIELD_FROM = "from";
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40
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41 /** The constant name of the input field to enter the end of a distance.*/
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42 public static final String FIELD_TO = "to";
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43
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44 /** The constant name of the input field to enter the step width of a
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45 * distance.*/
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46 public static final String FIELD_WIDTH = "step";
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47
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48 /** The textboxes */
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49 protected FloatItem fromItem;
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50 protected FloatItem toItem;
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51 protected FloatItem stepItem;
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52
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53
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54 public DoubleRangePanel() {
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55 }
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56
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57
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58 /**
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59 * Creates a new form with a single input field that displays an array of
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60 * double values.
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61 *
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62 * @param name The name of the TextItem.
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63 * @param title The title of the TextItem.
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64 * @param values The double values that should be displayed initially.
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65 * @param handler The BlurHandler that is used to valide the input.
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66 */
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67 public DoubleRangePanel(
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68 String titleFrom, String titleTo, String titleStep,
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69 double from, double to, double step,
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70 int width,
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71 BlurHandler handler)
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72 {
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73 this(
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74 titleFrom, titleTo, titleStep,
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75 from, to, step,
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76 width,
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77 handler,
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78 "right");
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79 }
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80
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81
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82 public DoubleRangePanel(
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83 String titleFrom, String titleTo, String titleStep,
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84 double from, double to, double step,
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85 int width,
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86 BlurHandler handler,
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87 String labelOrientation)
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88 {
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89 fromItem = new FloatItem(FIELD_FROM);
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90 toItem = new FloatItem(FIELD_TO);
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91 stepItem = new FloatItem(FIELD_WIDTH);
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92
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93 fromItem.addBlurHandler(handler);
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94 toItem.addBlurHandler(handler);
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95 stepItem.addBlurHandler(handler);
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96
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97 NumberFormat f = NumberFormat.getDecimalFormat();
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98
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99 fromItem.setValue(f.format(from));
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100 toItem.setValue(f.format(to));
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101 stepItem.setValue(f.format(step));
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102
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103 StaticTextItem fromText = new StaticTextItem("staticFrom");
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104 fromText.setValue(titleFrom);
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105 fromText.setShowTitle(false);
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106 fromItem.setShowTitle(false);
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107
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108 StaticTextItem toText = new StaticTextItem("staticTo");
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109 toText.setValue(titleTo);
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110 toText.setShowTitle(false);
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111 toItem.setShowTitle(false);
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112
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113 StaticTextItem stepText = new StaticTextItem("staticStep");
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114 stepText.setValue(titleStep);
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115 stepText.setShowTitle(false);
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116 stepItem.setShowTitle(false);
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117
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118 int itemWidth = width / 6;
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119 fromItem.setWidth(itemWidth);
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120 fromText.setWidth(itemWidth);
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121 toItem.setWidth(itemWidth);
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122 toText.setWidth(itemWidth);
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123 stepItem.setWidth(itemWidth);
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124 stepText.setWidth(itemWidth);
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125
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126 if (labelOrientation.equals("right")) {
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127 setFields(fromItem, fromText, toItem, toText, stepItem, stepText);
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128 }
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129 else {
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130 setFields(fromText, fromItem, toText, toItem, stepText, stepItem);
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131 }
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132
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133 setFixedColWidths(false);
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134 setNumCols(6);
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135 setWidth(width);
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136 setAlign(Alignment.CENTER);
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137 }
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138
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139
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140 /**
233
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141 * This method takes distances values and sets them to the textboxes
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142 * visualizied by this widget.
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143 *
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144 * @param from The from value.
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145 * @param to The to value.
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146 * @param steps The max steps.
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147 */
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148 public void setValues(double from, double to, double steps) {
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149 NumberFormat f = NumberFormat.getDecimalFormat();
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150
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151 fromItem.setValue(f.format(from));
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152 toItem.setValue(f.format(to));
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153 stepItem.setValue(f.format(steps));
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154 }
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155
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156
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157 public boolean validateForm() {
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158 try {
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159 return
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160 validateForm(fromItem) &&
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161 validateForm(toItem) &&
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162 validateForm(stepItem);
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163 }
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164 catch (NumberFormatException nfe) {
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165 return false;
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166 }
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167 }
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168
233
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169 /**
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170 * This method validates the entered text in the input fields. If
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171 * there are values that doesn't represent a valid float, an error is
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172 * displayed.
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173 *
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174 * @param item The FormItem.
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175 */
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176 @SuppressWarnings("unchecked")
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177 protected boolean validateForm(FormItem item) {
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178 if (item instanceof StaticTextItem) {
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179 return true;
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180 }
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181
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182 boolean valid = true;
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183
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184 String v = (String) item.getValue();
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185
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186 NumberFormat f = NumberFormat.getDecimalFormat();
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187 @SuppressWarnings("rawtypes")
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188 Map errors = getErrors();
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189
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190 try {
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191 if (v == null) {
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192 throw new NumberFormatException("empty");
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193 }
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194
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195 f.parse(v);
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196
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197 errors.remove(item.getFieldName());
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198 }
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199 catch (NumberFormatException nfe) {
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200 errors.put(item.getFieldName(), MESSAGES.wrongFormat());
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201
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202 item.focusInItem();
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203
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204 valid = false;
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205 }
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206
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207 setErrors(errors, true);
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208
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209 return valid;
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210 }
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211
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212
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213 /**
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214 * Returns the double value of <i>value</i>.
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215 *
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216 * @return the double value of <i>value</i>.
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217 */
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218 protected double getDouble(String value) {
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219 NumberFormat f = NumberFormat.getDecimalFormat();
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220
571
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221 String[] splitted = value.split(" ");
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222
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223 return f.parse(splitted[0]);
42
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224 }
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225
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226
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227 /**
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228 * Returns the start value.
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229 *
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230 * @return the start value.
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231 */
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232 public double getFrom() throws NullPointerException {
42
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233 String v = getValueAsString(FIELD_FROM);
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234
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235 return getDouble(v);
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236 }
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237
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238
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239 /**
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240 * Returns the end value.
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241 *
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242 * @return the end value.
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243 */
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244 public double getTo() throws NullPointerException {
42
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245 String v = getValueAsString(FIELD_TO);
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246
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247 return getDouble(v);
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248 }
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249
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250
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251 /**
ba7df4a24ae0 Added a new widget to enter w/Q values in single and range mode.
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252 * Returns the step width.
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253 *
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254 * @return the step width.
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255 */
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15b4bc8eede0 #302 Improved input validation in WQ panels.
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256 public double getStep() throws NullPointerException {
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257 String v = getValueAsString(FIELD_WIDTH);
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258
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259 return getDouble(v);
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260 }
580
42512fce9b1b #140, #122: Splitted the WQD table in the WQInputPanel into two tables: a table for QD values and a table for W values - only the QD table is selectable.
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261
42512fce9b1b #140, #122: Splitted the WQD table in the WQInputPanel into two tables: a table for QD values and a table for W values - only the QD table is selectable.
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262
42512fce9b1b #140, #122: Splitted the WQD table in the WQInputPanel into two tables: a table for QD values and a table for W values - only the QD table is selectable.
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263 /**
42512fce9b1b #140, #122: Splitted the WQD table in the WQInputPanel into two tables: a table for QD values and a table for W values - only the QD table is selectable.
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264 * Sets the value of the field with name <i>fieldname</i>.
42512fce9b1b #140, #122: Splitted the WQD table in the WQInputPanel into two tables: a table for QD values and a table for W values - only the QD table is selectable.
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265 *
42512fce9b1b #140, #122: Splitted the WQD table in the WQInputPanel into two tables: a table for QD values and a table for W values - only the QD table is selectable.
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266 * @param value The new value.
42512fce9b1b #140, #122: Splitted the WQD table in the WQInputPanel into two tables: a table for QD values and a table for W values - only the QD table is selectable.
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267 * @param fieldname The name of the field.
42512fce9b1b #140, #122: Splitted the WQD table in the WQInputPanel into two tables: a table for QD values and a table for W values - only the QD table is selectable.
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268 */
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269 public void setDoubleValue(double value, String fieldname) {
42512fce9b1b #140, #122: Splitted the WQD table in the WQInputPanel into two tables: a table for QD values and a table for W values - only the QD table is selectable.
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270 NumberFormat f = NumberFormat.getDecimalFormat();
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271 setValue(fieldname, f.format(value));
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272 }
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273
42512fce9b1b #140, #122: Splitted the WQD table in the WQInputPanel into two tables: a table for QD values and a table for W values - only the QD table is selectable.
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274
42512fce9b1b #140, #122: Splitted the WQD table in the WQInputPanel into two tables: a table for QD values and a table for W values - only the QD table is selectable.
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275 /**
42512fce9b1b #140, #122: Splitted the WQD table in the WQInputPanel into two tables: a table for QD values and a table for W values - only the QD table is selectable.
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276 * Sets a new start value.
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277 *
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278 * @param value The new start value.
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279 */
42512fce9b1b #140, #122: Splitted the WQD table in the WQInputPanel into two tables: a table for QD values and a table for W values - only the QD table is selectable.
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280 public void setFrom(double value) {
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281 setDoubleValue(value, FIELD_FROM);
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282 }
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283
42512fce9b1b #140, #122: Splitted the WQD table in the WQInputPanel into two tables: a table for QD values and a table for W values - only the QD table is selectable.
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284
42512fce9b1b #140, #122: Splitted the WQD table in the WQInputPanel into two tables: a table for QD values and a table for W values - only the QD table is selectable.
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285 /**
42512fce9b1b #140, #122: Splitted the WQD table in the WQInputPanel into two tables: a table for QD values and a table for W values - only the QD table is selectable.
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286 * Sets a new end value.
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287 *
42512fce9b1b #140, #122: Splitted the WQD table in the WQInputPanel into two tables: a table for QD values and a table for W values - only the QD table is selectable.
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288 * @param value The new end value.
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289 */
42512fce9b1b #140, #122: Splitted the WQD table in the WQInputPanel into two tables: a table for QD values and a table for W values - only the QD table is selectable.
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290 public void setTo(double value) {
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291 setDoubleValue(value, FIELD_TO);
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292 }
780
a39c2f531755 Implemented a new panel to enter kilometer ranges (with no option to insert locations).
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293
a39c2f531755 Implemented a new panel to enter kilometer ranges (with no option to insert locations).
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294
a39c2f531755 Implemented a new panel to enter kilometer ranges (with no option to insert locations).
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295 /**
a39c2f531755 Implemented a new panel to enter kilometer ranges (with no option to insert locations).
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296 * Sets a new step width.
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297 *
a39c2f531755 Implemented a new panel to enter kilometer ranges (with no option to insert locations).
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298 * @param value The new step width.
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299 */
a39c2f531755 Implemented a new panel to enter kilometer ranges (with no option to insert locations).
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300 public void setStep(double value) {
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301 setDoubleValue(value, FIELD_WIDTH);
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302 }
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ba7df4a24ae0 Added a new widget to enter w/Q values in single and range mode.
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303 }
ba7df4a24ae0 Added a new widget to enter w/Q values in single and range mode.
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304 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :

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