Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/RangeTableFilter.java @ 1534:98123d34529b

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Added UI parts and event for filtering distances and locations. flys-client/trunk@3749 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Raimund Renkert <raimund.renkert@intevation.de>
date Mon, 23 Jan 2012 11:07:38 +0000
parents
children 4f4d29404dba
rev   line source
1534
98123d34529b Added UI parts and event for filtering distances and locations.
Raimund Renkert <raimund.renkert@intevation.de>
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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.ArrayList;
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4 import java.util.List;
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5
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6 import com.google.gwt.core.client.GWT;
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7
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8 import com.smartgwt.client.widgets.form.DynamicForm;
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9 import com.smartgwt.client.widgets.form.fields.TextItem;
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10 import com.smartgwt.client.widgets.form.fields.events.ChangedEvent;
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11 import com.smartgwt.client.widgets.form.fields.events.ChangedHandler;
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12 import com.smartgwt.client.widgets.form.fields.events.KeyUpEvent;
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13 import com.smartgwt.client.widgets.form.fields.events.KeyUpHandler;
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14 import com.smartgwt.client.widgets.layout.HLayout;
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15
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16 import de.intevation.flys.client.client.event.FilterHandler;
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17 import de.intevation.flys.client.client.event.RangeFilterEvent;
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18 import de.intevation.flys.client.client.FLYSConstants;
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19
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20
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21 /**
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22 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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23 */
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24 public class RangeTableFilter
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25 extends HLayout
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26 implements ChangedHandler, KeyUpHandler
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27 {
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28 /** The message class that provides i18n strings. */
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29 protected FLYSConstants MESSAGES = GWT.create(FLYSConstants.class);
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30
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31 protected List<FilterHandler> handlers;
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32
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33 protected TextItem fromField;
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34 protected TextItem toField;
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35
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36 public RangeTableFilter() {
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37 super();
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38 fromField = new TextItem();
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39 fromField.setTitle(MESSAGES.from());
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40 fromField.setWidth(60);
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41 toField = new TextItem();
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42 toField.setTitle(MESSAGES.to());
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43 toField.setWidth(60);
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44
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45
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46 handlers = new ArrayList<FilterHandler>();
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47
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48 fromField.addChangedHandler(this);
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49 fromField.addKeyUpHandler(this);
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50 toField.addChangedHandler(this);
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51 toField.addKeyUpHandler(this);
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52
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53 DynamicForm form = new DynamicForm();
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54 form.setNumCols(4);
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55 form.setFields(fromField, toField);
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56
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57 addMember(form);
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58 }
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59
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60
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61 public void onChanged(ChangedEvent event) {
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62 // This event handler is to slow...
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63 // fireFilterCriteriaChanged(getSearchString());
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64 }
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65
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66
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67 public void onKeyUp(KeyUpEvent event) {
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68 //To deactivate "As you type" filter add
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69 // ' && event.getKeyName().equals("Enter")'
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70 // to the if-clause.
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71 if (event != null) {
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72 fireFilterCriteriaChanged(getFrom(), getTo());
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73 }
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74 }
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75
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76
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77 public String getFrom() {
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78 if (fromField.getValueAsString() == null) {
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79 return "";
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80 }
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81 else {
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82 return fromField.getValueAsString();
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83 }
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84 }
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85
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86
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87 public String getTo() {
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88 if (toField.getValueAsString() == null) {
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89 return "";
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90 }
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91 else {
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92 return toField.getValueAsString();
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93 }
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94 }
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95
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96
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97 public void addFilterHandler(FilterHandler handler) {
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98 if (handler != null) {
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99 handlers.add(handler);
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100 }
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101 }
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102
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103
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104 protected void fireFilterCriteriaChanged(String from, String to) {
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105 RangeFilterEvent filter = new RangeFilterEvent(from, to);
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106
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107 for (FilterHandler handler: handlers) {
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108 handler.onFilterCriteriaChanged(filter);
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109 }
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110 }
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111
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112
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113 public void clear() {
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114 fromField.clearValue();
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115 toField.clearValue();
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116 fireFilterCriteriaChanged("", "");
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117 }
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118 }
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119 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org