Mercurial > dive4elements > river
annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/SelectProvider.java @ 51:a2923d63f530
Introduced a data structure DataList to manage to list of Data objects of a single state.
flys-client/trunk@1505 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Thu, 17 Mar 2011 16:44:51 +0000 |
parents | d573ae975330 |
children | 3d5d7788d471 |
rev | line source |
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Added UIProviders that are used to create widgets for entering data.
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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.Iterator; |
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4 import java.util.LinkedHashMap; |
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5 import java.util.Map; |
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6 |
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7 import com.google.gwt.core.client.GWT; |
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8 |
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9 import com.smartgwt.client.types.VerticalAlignment; |
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10 import com.smartgwt.client.widgets.Canvas; |
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11 import com.smartgwt.client.widgets.IButton; |
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12 import com.smartgwt.client.widgets.Label; |
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13 import com.smartgwt.client.widgets.form.DynamicForm; |
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14 import com.smartgwt.client.widgets.form.fields.ComboBoxItem; |
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15 import com.smartgwt.client.widgets.layout.VLayout; |
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16 |
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17 import de.intevation.flys.client.shared.model.Data; |
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18 import de.intevation.flys.client.shared.model.DataItem; |
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19 import de.intevation.flys.client.shared.model.DataList; |
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20 import de.intevation.flys.client.shared.model.DefaultData; |
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21 import de.intevation.flys.client.shared.model.DefaultDataItem; |
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22 |
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23 import de.intevation.flys.client.client.FLYSMessages; |
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24 |
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25 |
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26 /** |
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27 * This UIProvider displays the DataItems of the Data object in a combo box. |
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28 * |
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29 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
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30 */ |
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31 public class SelectProvider |
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32 extends AbstractUIProvider |
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33 { |
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34 /** The message class that provides i18n strings.*/ |
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35 protected FLYSMessages messages = GWT.create(FLYSMessages.class); |
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36 |
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37 /** The combobox.*/ |
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38 protected DynamicForm form; |
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39 |
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40 |
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41 /** |
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42 * This method currently returns a |
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43 * {@link com.smartgwt.client.widgets.form.DynamicForm} that contains all |
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44 * data items in a combobox stored in <i>data</i>. |
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45 * |
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46 * @param data The {@link Data} object. |
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47 * |
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48 * @return a combobox. |
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49 */ |
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50 public Canvas create(DataList data) { |
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51 VLayout v = new VLayout(); |
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52 |
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53 Canvas content = createWidget(data); |
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54 |
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55 IButton button = new IButton(messages.next(), this); |
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56 |
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57 v.addMember(content); |
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58 v.addMember(button); |
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59 |
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60 return v; |
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61 } |
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62 |
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63 |
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64 /** |
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65 * This method creates the content of the widget. |
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66 * |
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67 * @param data The {@link Data} object. |
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68 * |
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69 * @return a combobox. |
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70 */ |
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71 protected Canvas createWidget(DataList data) { |
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72 GWT.log("SelectProvider - create()"); |
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73 |
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74 VLayout layout = new VLayout(); |
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75 |
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76 form = new DynamicForm(); |
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77 |
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78 int size = data.size(); |
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79 |
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80 for (int i = 0; i < size; i++) { |
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81 Data d = data.get(i); |
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82 |
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83 Label label = new Label(d.getDescription()); |
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84 label.setValign(VerticalAlignment.TOP); |
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85 |
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86 ComboBoxItem combobox = new ComboBoxItem(d.getLabel()); |
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87 |
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88 LinkedHashMap<String, String> it = new LinkedHashMap<String, String>(); |
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89 |
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90 for (DataItem item: d.getItems()) { |
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91 it.put(item.getStringValue(), item.getLabel()); |
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92 } |
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93 |
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94 label.setWidth(50); |
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95 combobox.setValueMap(it); |
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96 combobox.setShowTitle(false); |
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97 form.setItems(combobox); |
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98 |
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99 layout.addMember(label); |
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100 layout.addMember(form); |
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101 } |
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102 |
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103 layout.setAlign(VerticalAlignment.TOP); |
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104 |
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105 return layout; |
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106 } |
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107 |
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108 |
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109 protected Data[] getData() { |
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110 Map values = form.getValues(); |
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111 Iterator keys = values.keySet().iterator(); |
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112 |
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113 Data[] list = new Data[values.size()]; |
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114 int i = 0; |
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115 |
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116 while (keys.hasNext()) { |
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117 String fieldname = (String) keys.next(); |
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118 String selection = (String) values.get(fieldname); |
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119 |
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120 DataItem item = new DefaultDataItem(fieldname, null, selection); |
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121 |
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122 list[i++] = new DefaultData( |
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123 fieldname, null, null, new DataItem[] { item }); |
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124 } |
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125 |
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126 return list; |
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127 } |
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128 } |
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129 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |