Mercurial > dive4elements > river

annotate gwt-client/src/main/java/org/dive4elements/river/client/client/ui/RangeTableFilter.java @ 5861:172338b1407f

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GWT client: Added copyright header.
author Sascha L. Teichmann <teichmann@intevation.de>
date Sun, 28 Apr 2013 14:30:15 +0200
parents 5aa05a7a34b7
children ea9eef426962
rev   line source
5861
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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
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13 import com.smartgwt.client.widgets.form.DynamicForm;
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14 import com.smartgwt.client.widgets.form.fields.TextItem;
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15 import com.smartgwt.client.widgets.form.fields.events.ChangedEvent;
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16 import com.smartgwt.client.widgets.form.fields.events.ChangedHandler;
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17 import com.smartgwt.client.widgets.form.fields.events.KeyUpEvent;
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18 import com.smartgwt.client.widgets.form.fields.events.KeyUpHandler;
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19 import com.smartgwt.client.widgets.layout.HLayout;
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20
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21 import org.dive4elements.river.client.client.FLYSConstants;
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22 import org.dive4elements.river.client.client.event.FilterHandler;
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23 import org.dive4elements.river.client.client.event.RangeFilterEvent;
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24 import org.dive4elements.river.client.client.utils.DoubleValidator;
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25
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26 import java.util.ArrayList;
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27 import java.util.List;
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28 import java.util.Map;
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29
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30 /**
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31 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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32 */
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33 public class RangeTableFilter
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34 extends HLayout
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35 implements ChangedHandler, KeyUpHandler
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36 {
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37 /** The message class that provides i18n strings. */
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38 protected FLYSConstants MESSAGES = GWT.create(FLYSConstants.class);
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39
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40 protected List<FilterHandler> handlers;
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41
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42 protected TextItem fromField;
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43 protected TextItem toField;
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44 protected DynamicForm filterForm;
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45
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46 public RangeTableFilter() {
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47 super();
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48 fromField = new TextItem();
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49 fromField.setTitle(MESSAGES.from());
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50 fromField.setWidth(60);
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51 toField = new TextItem();
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52 toField.setTitle(MESSAGES.to());
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53 toField.setWidth(60);
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54
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55
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56 handlers = new ArrayList<FilterHandler>();
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57
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58 fromField.addChangedHandler(this);
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59 fromField.addKeyUpHandler(this);
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60 toField.addChangedHandler(this);
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61 toField.addKeyUpHandler(this);
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62
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63 filterForm = new DynamicForm();
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64 filterForm.setNumCols(4);
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65 filterForm.setFields(fromField, toField);
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66
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67 addMember(filterForm);
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68 }
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69
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70
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71 @Override
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72 public void onChanged(ChangedEvent event) {
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73 // This event handler is to slow...
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74 // fireFilterCriteriaChanged(getSearchString());
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75 }
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76
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77
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78 @Override
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79 public void onKeyUp(KeyUpEvent event) {
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80 DoubleValidator validator = new DoubleValidator();
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81 Map<?,?> errors = filterForm.getErrors();
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82 if(event.getItem().getValue() != null &&
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83 !validator.validate(event.getItem(), errors)) {
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84 filterForm.setErrors(errors, true);
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85 GWT.log("no valid input!");
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86 return;
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87 }
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88 else {
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89 errors.clear();
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90 filterForm.setErrors(errors, true);
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91 }
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92 //To deactivate "As you type" filter add
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93 // ' && event.getKeyName().equals("Enter")'
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94 // to the if-clause.
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95 if (event != null) {
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96 fireFilterCriteriaChanged(getFrom(), getTo());
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97 }
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98 }
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99
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100
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101 public String getFrom() {
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102 if (fromField.getValueAsString() == null) {
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103 return "";
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104 }
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105 else {
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106 return fromField.getValueAsString();
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107 }
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108 }
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109
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110
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111 public String getTo() {
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112 if (toField.getValueAsString() == null) {
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113 return "";
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114 }
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115 else {
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116 return toField.getValueAsString();
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117 }
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118 }
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119
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120
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121 public void addFilterHandler(FilterHandler handler) {
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122 if (handler != null) {
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123 handlers.add(handler);
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124 }
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125 }
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126
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127
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128 protected void fireFilterCriteriaChanged(String from, String to) {
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129 RangeFilterEvent filter = new RangeFilterEvent(from, to);
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130
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131 for (FilterHandler handler: handlers) {
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132 handler.onFilterCriteriaChanged(filter);
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133 }
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134 }
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135
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136
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03de5c424f95 Fix warnings and minor TODOs in flys-client.
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137 @Override
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138 public void clear() {
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139 fromField.clearValue();
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140 toField.clearValue();
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141 fireFilterCriteriaChanged("", "");
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142 }
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143 }
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144 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org