Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/TableFilter.java @ 893:89c01218172b

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Clear the table filter on tab selection change and input method change. (Issue305) flys-client/trunk@2738 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Raimund Renkert <raimund.renkert@intevation.de>
date Wed, 14 Sep 2011 10:11:50 +0000
parents a77958780e1c
children b48c36076e17
rev   line source
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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.IButton;
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9 import com.smartgwt.client.widgets.events.ClickEvent;
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10 import com.smartgwt.client.widgets.events.ClickHandler;
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11 import com.smartgwt.client.widgets.form.DynamicForm;
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12 import com.smartgwt.client.widgets.form.fields.TextItem;
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13 import com.smartgwt.client.widgets.form.fields.events.ChangedEvent;
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14 import com.smartgwt.client.widgets.form.fields.events.ChangedHandler;
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15 import com.smartgwt.client.widgets.form.fields.events.KeyUpEvent;
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16 import com.smartgwt.client.widgets.form.fields.events.KeyUpHandler;
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17 import com.smartgwt.client.widgets.layout.HLayout;
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18
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19 import de.intevation.flys.client.client.event.FilterHandler;
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20 import de.intevation.flys.client.client.event.StringFilterEvent;
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21 import de.intevation.flys.client.client.FLYSConstants;
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22
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23
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24 /**
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25 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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26 */
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27 public class TableFilter
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28 extends HLayout
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29 implements ChangedHandler, KeyUpHandler
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30 {
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31 /** The message class that provides i18n strings. */
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32 protected FLYSConstants MESSAGES = GWT.create(FLYSConstants.class);
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33
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34 protected List<FilterHandler> handlers;
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35
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36 protected TextItem searchfield;
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37
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38
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39 public TableFilter() {
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40 super();
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41 searchfield = new TextItem(MESSAGES.search());
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42 handlers = new ArrayList<FilterHandler>();
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43
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44 searchfield.addChangedHandler(this);
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45 searchfield.addKeyUpHandler(this);
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46
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47 DynamicForm form = new DynamicForm();
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48 form.setFields(searchfield);
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49
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50 addMember(form);
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51 }
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52
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53
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54 public void onChanged(ChangedEvent event) {
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55 // This event handler is to slow...
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56 // fireFilterCriteriaChanged(getSearchString());
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57 }
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58
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59
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60 public void onKeyUp(KeyUpEvent event) {
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61 //To deactivate "As you type" filter add
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62 // ' && event.getKeyName().equals("Enter")'
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63 // to the if-clause.
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64 if (event != null) {
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65 fireFilterCriteriaChanged(getSearchString());
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66 }
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67 }
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68
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69
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70 public String getSearchString() {
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71 if (searchfield.getValueAsString() == null) {
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72 return "";
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73 }
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74 else {
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75 return searchfield.getValueAsString();
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76 }
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77 }
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78
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79
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80 public void addFilterHandler(FilterHandler handler) {
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81 if (handler != null) {
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82 handlers.add(handler);
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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 protected void fireFilterCriteriaChanged(String searchstring) {
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88 StringFilterEvent filter = new StringFilterEvent(searchstring);
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89
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90 for (FilterHandler handler: handlers) {
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91 handler.onFilterCriteriaChanged(filter);
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92 }
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93 }
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94
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95
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96 public void clear() {
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97 searchfield.clearValue();
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98 fireFilterCriteriaChanged("");
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99 }
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100 }
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101 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org