Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/SingleLocationPanel.java @ 519:77234b1d009c

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ISSUE-90 & ISSUE-40 (part II/II) Former selected values are preselected after back jumps. flys-client/trunk@1998 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 24 May 2011 16:22:34 +0000
parents be842e36ce1c
children 2e02db03e576
rev   line source
238
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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.List;
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4
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5 import com.google.gwt.core.client.GWT;
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6 import com.google.gwt.i18n.client.NumberFormat;
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7 import com.google.gwt.user.client.rpc.AsyncCallback;
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8
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9 import com.smartgwt.client.widgets.Canvas;
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10 import com.smartgwt.client.widgets.Label;
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11 import com.smartgwt.client.widgets.form.fields.events.BlurHandler;
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12 import com.smartgwt.client.widgets.form.fields.events.BlurEvent;
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13 import com.smartgwt.client.widgets.form.fields.FormItem;
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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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16 import com.smartgwt.client.widgets.grid.ListGrid;
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17 import com.smartgwt.client.widgets.grid.ListGridField;
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18 import com.smartgwt.client.widgets.grid.ListGridRecord;
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19 import com.smartgwt.client.widgets.grid.events.RecordClickHandler;
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20 import com.smartgwt.client.widgets.grid.events.RecordClickEvent;
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21
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22 import com.smartgwt.client.types.ListGridFieldType;
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23
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24 import de.intevation.flys.client.shared.model.Data;
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25 import de.intevation.flys.client.shared.model.DataItem;
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26 import de.intevation.flys.client.shared.model.DataList;
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27 import de.intevation.flys.client.shared.model.DefaultData;
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28 import de.intevation.flys.client.shared.model.DefaultDataItem;
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29 import de.intevation.flys.client.shared.model.DistanceInfoObject;
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30 import de.intevation.flys.client.shared.model.DistanceInfoRecord;
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31 import de.intevation.flys.client.shared.model.ArtifactDescription;
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32
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33 import de.intevation.flys.client.client.services.DistanceInfoService;
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34 import de.intevation.flys.client.client.services.DistanceInfoServiceAsync;
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35 import de.intevation.flys.client.client.FLYSConstants;
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36 import de.intevation.flys.client.client.FLYSImages;
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37 import de.intevation.flys.client.client.Config;
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38
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39
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40 /**
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41 * This UIProvider creates a widget to enter locations.
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42 *
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43 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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44 */
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45 public class SingleLocationPanel
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46 extends AbstractUIProvider
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47 {
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48 /** The message class that provides i18n strings.*/
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49 protected FLYSConstants MESSAGES = GWT.create(FLYSConstants.class);
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50
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51 /** The interface that provides the image resources. */
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52 private FLYSImages IMAGES = GWT.create(FLYSImages.class);
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53
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54 /** The DistanceInfoService used to retrieve locations about rivers.*/
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55 protected DistanceInfoServiceAsync distanceInfoService =
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56 GWT.create(DistanceInfoService.class);
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57
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58 /** A container that will contain the location or the distance panel.*/
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59 protected HLayout container;
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60
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61 /** The values entered in the location mode.*/
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62 protected double[] values;
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63
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64 /** The input panel for locations */
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65 protected DoubleArrayPanel locationPanel;
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66
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67 /** The locations table */
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68 protected ListGrid locationTable;
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69
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70 /** The table data. */
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71 protected DistanceInfoObject[] tableData;
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72
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73 /**
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74 * Creates a new LocationDistancePanel instance.
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75 */
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76 public SingleLocationPanel() {
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77 locationTable = new ListGrid();
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78 locationTable.setShowHeaderContextMenu(false);
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79 }
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80
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81
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82 /**
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83 * This method creates a widget that contains a label, a panel with
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84 * checkboxes to switch the input mode between location and distance input,
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85 * and a the mode specific panel.
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86 *
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87 * @param data The data that might be inserted.
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88 *
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89 * @return a panel.
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90 */
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91 public Canvas create(DataList data) {
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92 VLayout layout = new VLayout();
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93 layout.setMembersMargin(10);
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94
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95 Label label = new Label(MESSAGES.location ());
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96 Canvas widget = createWidget(data);
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97 Canvas submit = getNextButton();
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98
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99 initDefaults(data);
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100
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101 createLocationTable();
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102
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103 widget.setHeight(50);
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104 label.setHeight(25);
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105
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106 layout.addMember(label);
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107 layout.addMember(widget);
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108 layout.addMember(submit);
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109
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110 return layout;
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111 }
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112
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113
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114 /**
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115 * This method creates a table that contains the location values.
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116 */
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117 protected void createLocationTable() {
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118 locationTable.setWidth100();
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119 locationTable.setShowRecordComponents(true);
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120 locationTable.setShowRecordComponentsByCell(true);
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121 locationTable.setHeight100();
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122 locationTable.setEmptyMessage(MESSAGES.empty_table());
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123
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124 ListGridField addLocation = new ListGridField ("", "");
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125 addLocation.setType (ListGridFieldType.ICON);
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126 addLocation.setWidth ("30");
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127 addLocation.addRecordClickHandler (new RecordClickHandler () {
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128 public void onRecordClick (RecordClickEvent e) {
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129 ListGridRecord[] records = locationTable.getSelection();
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130 double[] selected = new double[1];
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131 selected[0] = records[0].getAttributeAsDouble("from");
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132 setLocationValues(selected);
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133 }
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134 });
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135 addLocation.setCellIcon (IMAGES.markerGreen ().getURL ());
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136
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137 ListGridField ldescr = new ListGridField("description",
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138 MESSAGES.description());
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139 ldescr.setType(ListGridFieldType.TEXT);
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140 ldescr.setWidth("*");
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141 ListGridField lside = new ListGridField("riverside",
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142 MESSAGES.riverside());
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143 lside.setType(ListGridFieldType.TEXT);
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144 lside.setWidth(60);
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145 ListGridField loc = new ListGridField("from", MESSAGES.location());
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146 loc.setType(ListGridFieldType.TEXT);
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147 loc.setWidth(80);
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148 locationTable.setFields(addLocation, ldescr, loc, lside);
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149 }
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150
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151
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152 public Canvas createOld(DataList dataList) {
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153 List<Data> items = dataList.getAll();
242
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154 Data dLocation = getData(items, "ld_locations");
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155 DataItem[] loc = dLocation.getItems();
238
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156
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157 HLayout layout = new HLayout();
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158 layout.setWidth("400px");
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159
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160 Label label = new Label(dataList.getLabel());
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161 label.setWidth("200px");
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162
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163 Canvas back = getBackButton(dataList.getState());
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164
242
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165 Label selected = new Label(loc[0].getLabel());
238
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166 selected.setWidth("130px");
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167
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168 layout.addMember(label);
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169 layout.addMember(selected);
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170 layout.addMember(back);
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171
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172 return layout;
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173 }
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174
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175
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176 /**
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177 * This method reads the default values defined in the DataItems of the Data
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178 * objects in <i>list</i>.
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179 *
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180 * @param list The DataList container that stores the Data objects.
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181 */
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182 protected void initDefaults(DataList list) {
519
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183 Data data = list.get(0);
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184
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185 if (data == null) {
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186 return;
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187 }
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188
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189 DataItem def = data.getDefault();
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190 String value = def.getStringValue();
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191
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192 try {
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193 double d = Double.parseDouble(value);
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194 setLocationValues(new double[] { d } );
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195 }
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196 catch (NumberFormatException nfe) {
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197 // could not parse, dont know what to do else
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198 }
238
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199 }
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200
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201
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202 /**
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203 * This method greps the Data with name <i>name</i> from the list and
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204 * returns it.
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205 *
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206 * @param items A list of Data.
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207 * @param name The name of the Data that we are searching for.
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208 *
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209 * @return the Data with the name <i>name</i>.
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210 */
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211 protected Data getData(List<Data> data, String name) {
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212 for (Data d: data) {
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213 if (name.equals(d.getLabel())) {
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214 return d;
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215 }
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216 }
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217
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218 return null;
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219 }
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220
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221
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222 protected Canvas createWidget(DataList data) {
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223 VLayout layout = new VLayout();
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224 container = new HLayout();
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225
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226 // the initial view will display the location input mode
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227 locationPanel = new DoubleArrayPanel(
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228 MESSAGES.unitLocation(),
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229 getLocationValues(),
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230 new BlurHandler(){public void onBlur(BlurEvent be) {}});
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231 container.addMember(locationPanel);
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232
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233 layout.addMember(container);
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234
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235 container.setMembersMargin(30);
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236
272
d3c053420c3b ISSUE 44: Moved the location/range and WQ input tables to the helper panel and
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parents: 268
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237 helperContainer.addChild(locationTable);
238
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238 createInputPanel();
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239 return layout;
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240 }
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241
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242
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243 /**
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244 * This method returns the selected data.
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245 *
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246 * @return the selected/inserted data.
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247 */
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248 public Data[] getData() {
242
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249 saveLocationValues(locationPanel);
238
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250 double[] values = getLocationValues();
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251 Data[] data = new Data[values.length];
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252 DataItem item = new DefaultDataItem();
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253 for (int i = 0; i < values.length; i++) {
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254 item = new DefaultDataItem(
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255 "ld_locations",
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256 "ld_locations",
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257 Double.valueOf(values[i]).toString());
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258 data[i] = new DefaultData(
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259 "ld_locations",
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260 null,
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261 null,
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262 new DataItem[] {item});
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263 }
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264 return data;
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265 }
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266
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267
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268
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269
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270 /**
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271 * Validates and stores all values entered in the location mode.
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272 *
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273 * @param p The DoubleArrayPanel.
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274 */
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275 protected void saveLocationValues(DoubleArrayPanel p) {
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276 FormItem[] formItems = p.getFields();
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277
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278 for (FormItem item: formItems) {
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279 if (item.getFieldName().equals(DoubleArrayPanel.FIELD_NAME)) {
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280 saveLocationValue(p, item);
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281 }
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282 }
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283 }
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284
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285
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286 /**
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287 * Validates and stores a value entered in the location mode.
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288 *
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289 * @param p The DoubleArrayPanel.
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290 * @param item The item that needs to be validated.
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291 */
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292 protected void saveLocationValue(DoubleArrayPanel p, FormItem item) {
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293 if (p.validateForm(item)) {
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294 setLocationValues(p.getInputValues(item));
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295 }
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296 }
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297
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298
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299 protected void createInputPanel() {
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300 Config config = Config.getInstance();
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301 String url = config.getServerUrl();
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302 String locale = config.getLocale ();
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303 String river = "";
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304
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305 ArtifactDescription adescr = artifact.getArtifactDescription();
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306 DataList[] data = adescr.getOldData();
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307
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308 if (data != null && data.length > 0) {
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309 for (int i = 0; i < data.length; i++) {
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310 DataList dl = data[i];
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311 if (dl.getState().equals("state.winfo.river")) {
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312 for (int j = 0; j < dl.size(); j++) {
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313 Data d = dl.get(j);
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314 DataItem[] di = d.getItems();
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315 if (di != null && di.length == 1) {
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316 river = d.getItems()[0].getStringValue();
276
f4c8ce11df33 UI stub for data cage
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317 break;
238
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318 }
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319 }
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320 }
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321 }
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322 }
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323
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324 distanceInfoService.getDistanceInfo(url, locale, river,
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325 new AsyncCallback<DistanceInfoObject[]>() {
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326 public void onFailure(Throwable caught) {
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327 GWT.log("Could not recieve location informations.");
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328 GWT.log(caught.getMessage());
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329 }
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330
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331 public void onSuccess(DistanceInfoObject[] di) {
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332 int num = di != null ? di.length :0;
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333 GWT.log("Recieved " + num + " location informations.");
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334
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335 if (num == 0) {
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336 return;
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337 }
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338 tableData = di;
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339 updateLocationInfo(di);
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340 }
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341 }
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342 );
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343 }
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344
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345
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346 protected void updateLocationInfo(DistanceInfoObject[] di) {
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347 int i = 0;
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348 for (DistanceInfoObject dio: di) {
242
f9ca49e59fb6 Fixed the single location input panel.
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349 if (dio.getTo() == null) {
238
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350 locationTable.addData(new DistanceInfoRecord(dio));
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351 }
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352 }
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353 return;
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354 }
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355
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356
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357 protected double[] getLocationValues() {
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358 return values;
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359 }
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360
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361
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362 protected void setLocationValues(double[] values) {
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363 this.values = values;
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364 locationPanel.setValues(values);
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Raimund Renkert <raimund.renkert@intevation.de>
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365 }
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366 }
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367 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org