Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/SelectProvider.java @ 266:e3565f58b0ae

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ISSUE-38 Set the first value of a select box as default value. flys-client/trunk@1887 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 10 May 2011 16:25:00 +0000
parents b92281182c6b
children 77234b1d009c
rev   line source
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c128d675386b 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.Label;
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12 import com.smartgwt.client.widgets.form.DynamicForm;
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13 import com.smartgwt.client.widgets.form.fields.ComboBoxItem;
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14 import com.smartgwt.client.widgets.layout.HLayout;
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15 import com.smartgwt.client.widgets.layout.VLayout;
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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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b92281182c6b Removed the FLYSMessages interface and replaced it with a FLYSConstants interface - this interface has the ability to lookup i18n strings with given keys.
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23 import de.intevation.flys.client.client.FLYSConstants;
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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 FLYSConstants messages = GWT.create(FLYSConstants.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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7142386e86c2 Some improvements for displaying old parameters.
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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 v.setMembersMargin(10);
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54 Canvas content = createWidget(data);
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246af33f621c Adjusted the look of the 'next' button in the parameter panel.
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55 Canvas button = getNextButton();
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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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63
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64 public Canvas createOld(DataList dataList) {
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65 HLayout layout = new HLayout();
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66 VLayout vLayout = new VLayout();
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67 layout.setWidth("400px");
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69 Label label = new Label(dataList.getLabel());
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70 label.setWidth("200px");
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72 int size = dataList.size();
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73 for (int i = 0; i < size; i++) {
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74 Data data = dataList.get(i);
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75 DataItem[] items = data.getItems();
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76
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77 for (DataItem item: items) {
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78 HLayout hLayout = new HLayout();
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80 hLayout.addMember(label);
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f983d5ce6402 Display human readable strings of the selected values in the UI.
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81 hLayout.addMember(new Label(item.getLabel()));
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83 vLayout.addMember(hLayout);
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84 vLayout.setWidth("130px");
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85 }
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86 }
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87
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88 Canvas back = getBackButton(dataList.getState());
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89
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90 layout.addMember(label);
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91 layout.addMember(vLayout);
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92 layout.addMember(back);
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94 return layout;
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95 }
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96
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98 /**
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99 * This method creates the content of the widget.
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100 *
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101 * @param data The {@link Data} object.
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102 *
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103 * @return a combobox.
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104 */
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105 protected Canvas createWidget(DataList data) {
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106 GWT.log("SelectProvider - create()");
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107
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108 VLayout layout = new VLayout();
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109 layout.setAlign(VerticalAlignment.TOP);
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110 layout.setHeight(25);
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e3565f58b0ae ISSUE-38 Set the first value of a select box as default value.
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112 LinkedHashMap initial = new LinkedHashMap();
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114 form = new DynamicForm();
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115
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116 int size = data.size();
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117
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118 for (int i = 0; i < size; i++) {
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119 Data d = data.get(i);
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120
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121 Label label = new Label(d.getDescription());
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122 label.setValign(VerticalAlignment.TOP);
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123 label.setHeight(20);
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124
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125 ComboBoxItem combobox = new ComboBoxItem(d.getLabel());
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126
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127 LinkedHashMap<String, String> it = new LinkedHashMap<String, String>();
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128
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129 boolean firstItem = true;
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130
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131 for (DataItem item: d.getItems()) {
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132 if (firstItem) {
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133 initial.put(d.getLabel(), item.getStringValue());
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134 firstItem = false;
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135 }
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136
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137 it.put(item.getStringValue(), item.getLabel());
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138 }
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139
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140 label.setWidth(50);
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141 combobox.setValueMap(it);
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142 combobox.setShowTitle(false);
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143 form.setItems(combobox);
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144
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145 layout.addMember(label);
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146 layout.addMember(form);
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147 }
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148
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149 form.setValues(initial);
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150
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151 layout.setAlign(VerticalAlignment.TOP);
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152
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153 return layout;
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154 }
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155
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156
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157 protected Data[] getData() {
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158 Map values = form.getValues();
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159 Iterator keys = values.keySet().iterator();
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160
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161 Data[] list = new Data[values.size()];
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162 int i = 0;
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163
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164 while (keys.hasNext()) {
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165 String fieldname = (String) keys.next();
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166 String selection = (String) values.get(fieldname);
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167
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168 DataItem item = new DefaultDataItem(fieldname, null, selection);
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169
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170 list[i++] = new DefaultData(
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171 fieldname, null, null, new DataItem[] { item });
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172 }
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173
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174 return list;
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175 }
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176 }
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177 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org