Mercurial > dive4elements > river

annotate gwt-client/src/main/java/org/dive4elements/river/client/client/widgets/KMSpinner.java @ 7982:b1ff606f01ee

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Fixed some smartgwt 4.1 related issues.
author Raimund Renkert <rrenkert@intevation.de>
date Tue, 01 Jul 2014 13:11:43 +0200
parents ea9eef426962
children f7f86f4e4c8d
rev   line source
5861
172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
diff changeset
1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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2 * Software engineering by Intevation GmbH
172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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3 *
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Sascha L. Teichmann <teichmann@intevation.de>
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4 * This file is Free Software under the GNU AGPL (>=v3)
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Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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parents: 5861
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6 * documentation coming with Dive4Elements River for details.
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7 */
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Sascha L. Teichmann <teichmann@intevation.de>
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8
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821a02bbfb4e Fixed internal java dependencies
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parents: 5834
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9 package org.dive4elements.river.client.client.widgets;
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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.data.Record;
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Raimund Renkert <rrenkert@intevation.de>
parents: 5993
diff changeset
15 import com.smartgwt.client.types.Alignment;
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16 import com.smartgwt.client.types.VerticalAlignment;
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17 import com.smartgwt.client.widgets.Button;
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18 import com.smartgwt.client.widgets.Label;
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19 import com.smartgwt.client.widgets.events.ClickEvent;
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20 import com.smartgwt.client.widgets.form.DynamicForm;
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21 import com.smartgwt.client.widgets.form.FormItemValueFormatter;
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22 import com.smartgwt.client.widgets.form.FormItemValueParser;
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23 import com.smartgwt.client.widgets.form.fields.FormItem;
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24 import com.smartgwt.client.widgets.form.fields.TextItem;
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25 import com.smartgwt.client.widgets.form.fields.events.BlurEvent;
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26 import com.smartgwt.client.widgets.form.fields.events.BlurHandler;
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27 import com.smartgwt.client.widgets.form.fields.events.KeyPressEvent;
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28 import com.smartgwt.client.widgets.form.fields.events.KeyPressHandler;
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29 import com.smartgwt.client.widgets.layout.HLayout;
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30
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31 import org.dive4elements.river.client.shared.model.FacetRecord;
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32
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33 import java.util.ArrayList;
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34 import java.util.List;
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35
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36 /**
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37 * SpinnerItem-like element with text label and up/down buttons.
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38 */
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39 public class KMSpinner extends HLayout {
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40 protected List<KMSpinnerChangeListener> listeners = new ArrayList<KMSpinnerChangeListener>();
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41
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42 protected Label label;
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43 protected FacetRecord facetRecord;
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44 protected double value;
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45
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46 public KMSpinner(double initialValue, FacetRecord facetRecord) {
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47 super(2);
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48 this.facetRecord = facetRecord;
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49 this.value = initialValue;
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50
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51 setWidth("99%");
7982
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parents: 5993
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52 setHeight(24);
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53
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54 // minusButton shall ask service for previous available cs.
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55 Button minusButton = new Button("-");
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56 minusButton.setWidth(18);
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57 minusButton.setHeight(22);
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58 minusButton.setValign(VerticalAlignment.CENTER);
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59 minusButton.addClickHandler(new com.smartgwt.client.widgets.events.ClickHandler() {
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60 public void onClick(ClickEvent evt) {
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61 fireChangedEvent(value - 0.1d, false);
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62 }
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63 });
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64
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65 DynamicForm form = new DynamicForm();
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66 final TextItem kmField = new TextItem();
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67 kmField.setValue(initialValue);
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68 kmField.setWidth("*");
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69 kmField.setTitle("");
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70 kmField.setHeight(20);
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71
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72 FormItemValueFormatter doubleFormat = new FormItemValueFormatter() {
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73 public String formatValue(Object value, Record record, DynamicForm form, FormItem item) {
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74 if (value != null) {
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75 NumberFormat nf = NumberFormat.getDecimalFormat();
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76 try {
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77 double d = Double.valueOf(value.toString()).doubleValue();
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78 return nf.format(d);
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79 }
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80 catch (Exception e) {
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81 GWT.log("EditorValueFormatter exception: " + e.toString());
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82
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83 // Remove junk chars from input string
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84 return doublefyString(value.toString());
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85 }
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86 }
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87 else {
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88 return null;
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89 }
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90 }
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91 };
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92 kmField.setEditorValueFormatter(doubleFormat);
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93
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94 FormItemValueParser doubleParser = new FormItemValueParser() {
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95 public Object parseValue(String value, DynamicForm form, FormItem item) {
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96 if (value == null)
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97 return null;
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98 try {
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99 NumberFormat nf = NumberFormat.getDecimalFormat();
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100 double d = nf.parse(value.toString());
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101 return Double.toString(d);
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102 }
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103 catch(NumberFormatException nfe) {
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104 return value;
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105 }
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106 }
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107 };
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108 kmField.setEditorValueParser(doubleParser);
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109
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110 // Update on focus lost and enter-pressed.
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111 kmField.addBlurHandler(new BlurHandler() {
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112 @Override
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113 public void onBlur(BlurEvent be) {
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114 if (kmField.getValue() != null) {
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115 try {
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116 fireChangedEvent(Double.parseDouble(kmField.getValue().toString()), true);
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117 }
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118 catch(NumberFormatException nfe) {
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119 GWT.log("entered string cannot be parsed to double.");
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120 }
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121 }
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122 }
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123 });
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124 kmField.addKeyPressHandler(new KeyPressHandler() {
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125 @Override
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126 public void onKeyPress(KeyPressEvent kpe) {
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127 if (kpe.getKeyName().equals("Enter")) {
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128 kmField.blurItem();
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129 }
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130 }
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131 });
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132
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133 // TODO: i18n Now add all the validators, formatters, editors/parsers etc.
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134 form.setFields(kmField);
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135 form.setTitle("");
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136 form.setTitlePrefix("");
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137 form.setTitleSuffix("");
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138 form.setTitleWidth(0);
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139 form.setWidth(50);
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140
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141 // PlusButton shall ask service for next available cs.
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142 Button plusButton = new Button("+");
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143 plusButton.setWidth(18);
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144 plusButton.setHeight(22);
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Raimund Renkert <rrenkert@intevation.de>
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145 plusButton.setValign(VerticalAlignment.CENTER);
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146 plusButton.addClickHandler(new com.smartgwt.client.widgets.events.ClickHandler() {
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147 public void onClick(ClickEvent evt) {
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148 fireChangedEvent(value + 0.1d, true);
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149 }
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150 });
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151
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Raimund Renkert <rrenkert@intevation.de>
parents: 5993
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152 this.setMembersMargin(5);
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Christian Lins <christian.lins@intevation.de>
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153 this.addMember(minusButton);
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Christian Lins <christian.lins@intevation.de>
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154 this.addMember(form);
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Christian Lins <christian.lins@intevation.de>
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155 this.addMember(plusButton);
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Christian Lins <christian.lins@intevation.de>
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156 }
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157
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Christian Lins <christian.lins@intevation.de>
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158 public void addChangeListener(KMSpinnerChangeListener listener) {
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Christian Lins <christian.lins@intevation.de>
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159 this.listeners.add(listener);
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160 }
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parents:
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161
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Christian Lins <christian.lins@intevation.de>
parents:
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162 protected void fireChangedEvent(double val, boolean up) {
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Christian Lins <christian.lins@intevation.de>
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163 for(KMSpinnerChangeListener listener : listeners) {
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Christian Lins <christian.lins@intevation.de>
parents:
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164 listener.spinnerValueEntered(this, val, facetRecord, up);
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Christian Lins <christian.lins@intevation.de>
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165 }
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Christian Lins <christian.lins@intevation.de>
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166 }
3852
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parents: 3717
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167
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Christian Lins <christian.lins@intevation.de>
parents: 3717
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168 /**
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Christian Lins <christian.lins@intevation.de>
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169 * Remove junk chars from double string.
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Christian Lins <christian.lins@intevation.de>
parents: 3717
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170 * This method should work for most locales, but not for
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Christian Lins <christian.lins@intevation.de>
parents: 3717
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171 * exotic ones that do not use "." or "," as decimal
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Christian Lins <christian.lins@intevation.de>
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172 * separator.
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Christian Lins <christian.lins@intevation.de>
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173 * @return
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Christian Lins <christian.lins@intevation.de>
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174 */
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Christian Lins <christian.lins@intevation.de>
parents: 3717
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175 protected String doublefyString(String str) {
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Christian Lins <christian.lins@intevation.de>
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176 StringBuilder buf = new StringBuilder(str.length());
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Christian Lins <christian.lins@intevation.de>
parents: 3717
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177
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Christian Lins <christian.lins@intevation.de>
parents: 3717
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178 for (int n = 0; n < str.length(); n++) {
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Christian Lins <christian.lins@intevation.de>
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179 char c = str.charAt(n);
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Christian Lins <christian.lins@intevation.de>
parents: 3717
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180 if ((c >= '0' && c <= '9') || c == '.' || c == ',') {
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Christian Lins <christian.lins@intevation.de>
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181 buf.append(c);
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Christian Lins <christian.lins@intevation.de>
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182 }
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Christian Lins <christian.lins@intevation.de>
parents: 3717
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183 }
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Christian Lins <christian.lins@intevation.de>
parents: 3717
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184
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Christian Lins <christian.lins@intevation.de>
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185 return buf.toString();
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Christian Lins <christian.lins@intevation.de>
parents: 3717
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186 }
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187 }
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Christian Lins <christian.lins@intevation.de>
parents:
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188
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