Mercurial > dive4elements > river

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

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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
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 java.util.ArrayList;
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12 import java.util.List;
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13
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14 import com.google.gwt.core.client.GWT;
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15
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16 import com.smartgwt.client.widgets.form.DynamicForm;
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17 import com.smartgwt.client.widgets.form.fields.TextItem;
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18 import com.smartgwt.client.widgets.form.fields.events.ChangedEvent;
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19 import com.smartgwt.client.widgets.form.fields.events.ChangedHandler;
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20 import com.smartgwt.client.widgets.form.fields.events.KeyUpEvent;
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21 import com.smartgwt.client.widgets.form.fields.events.KeyUpHandler;
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22 import com.smartgwt.client.widgets.layout.HLayout;
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23
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24 import org.dive4elements.river.client.client.event.FilterHandler;
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25 import org.dive4elements.river.client.client.event.StringFilterEvent;
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26 import org.dive4elements.river.client.client.FLYSConstants;
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27
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28
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29 /**
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30 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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31 */
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32 public class TableFilter
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33 extends HLayout
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34 implements ChangedHandler, KeyUpHandler
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35 {
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36 /** The message class that provides i18n strings. */
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37 protected FLYSConstants MESSAGES = GWT.create(FLYSConstants.class);
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38
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39 protected List<FilterHandler> handlers;
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40
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41 protected TextItem searchfield;
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42
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43
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44 public TableFilter() {
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45 super();
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46 searchfield = new TextItem(MESSAGES.search());
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47 handlers = new ArrayList<FilterHandler>();
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48
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49 searchfield.addChangedHandler(this);
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50 searchfield.addKeyUpHandler(this);
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51 searchfield.setWidth(120);
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52
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53 DynamicForm form = new DynamicForm();
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54 form.setFields(searchfield);
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55
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56 addMember(form);
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57 }
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58
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59
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60 public void onChanged(ChangedEvent event) {
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61 // This event handler is to slow...
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62 // fireFilterCriteriaChanged(getSearchString());
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63 }
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64
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65
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66 public void onKeyUp(KeyUpEvent event) {
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67 //To deactivate "As you type" filter add
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68 // ' && event.getKeyName().equals("Enter")'
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69 // to the if-clause.
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70 if (event != null) {
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71 fireFilterCriteriaChanged(getSearchString());
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72 }
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73 }
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74
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75
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76 public String getSearchString() {
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77 if (searchfield.getValueAsString() == null) {
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78 return "";
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79 }
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80 else {
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81 return searchfield.getValueAsString();
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82 }
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83 }
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84
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85
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86 public void addFilterHandler(FilterHandler handler) {
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87 if (handler != null) {
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88 handlers.add(handler);
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89 }
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90 }
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91
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92
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93 protected void fireFilterCriteriaChanged(String searchstring) {
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94 StringFilterEvent filter = new StringFilterEvent(searchstring);
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95
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96 for (FilterHandler handler: handlers) {
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97 handler.onFilterCriteriaChanged(filter);
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98 }
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99 }
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100
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101
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102 public void clear() {
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103 searchfield.clearValue();
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104 fireFilterCriteriaChanged("");
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105 }
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106 }
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107 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org