Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/SingleLocationPanel.java @ 563:469528551b78

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Introduced an input validation for the location panels. flys-client/trunk@2104 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 14 Jun 2011 10:42:34 +0000
parents 2e02db03e576
children 1d20533a4ae3
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 import com.google.gwt.i18n.client.NumberFormat;
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8 import com.google.gwt.user.client.rpc.AsyncCallback;
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9
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10 import com.smartgwt.client.util.SC;
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11 import com.smartgwt.client.widgets.Canvas;
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12 import com.smartgwt.client.widgets.Label;
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13 import com.smartgwt.client.widgets.form.fields.events.BlurHandler;
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14 import com.smartgwt.client.widgets.form.fields.events.BlurEvent;
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15 import com.smartgwt.client.widgets.form.fields.FormItem;
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16 import com.smartgwt.client.widgets.layout.HLayout;
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17 import com.smartgwt.client.widgets.layout.VLayout;
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18 import com.smartgwt.client.widgets.grid.ListGrid;
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19 import com.smartgwt.client.widgets.grid.ListGridField;
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20 import com.smartgwt.client.widgets.grid.ListGridRecord;
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21 import com.smartgwt.client.widgets.grid.events.RecordClickHandler;
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22 import com.smartgwt.client.widgets.grid.events.RecordClickEvent;
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23
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24 import com.smartgwt.client.types.ListGridFieldType;
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25
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26 import de.intevation.flys.client.shared.model.Data;
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27 import de.intevation.flys.client.shared.model.DataItem;
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28 import de.intevation.flys.client.shared.model.DataList;
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29 import de.intevation.flys.client.shared.model.DefaultData;
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30 import de.intevation.flys.client.shared.model.DefaultDataItem;
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31 import de.intevation.flys.client.shared.model.DistanceInfoObject;
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32 import de.intevation.flys.client.shared.model.DistanceInfoRecord;
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33 import de.intevation.flys.client.shared.model.ArtifactDescription;
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34
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35 import de.intevation.flys.client.client.services.DistanceInfoService;
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36 import de.intevation.flys.client.client.services.DistanceInfoServiceAsync;
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37 import de.intevation.flys.client.client.FLYSConstants;
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38 import de.intevation.flys.client.client.FLYSImages;
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39 import de.intevation.flys.client.client.Config;
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40
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41
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42 /**
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43 * This UIProvider creates a widget to enter locations.
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44 *
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45 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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46 */
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47 public class SingleLocationPanel
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48 extends AbstractUIProvider
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49 {
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50 /** The message class that provides i18n strings.*/
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51 protected FLYSConstants MESSAGES = GWT.create(FLYSConstants.class);
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52
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53 /** The interface that provides the image resources. */
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54 private FLYSImages IMAGES = GWT.create(FLYSImages.class);
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55
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56 /** The DistanceInfoService used to retrieve locations about rivers.*/
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57 protected DistanceInfoServiceAsync distanceInfoService =
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58 GWT.create(DistanceInfoService.class);
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59
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60 /** A container that will contain the location or the distance panel.*/
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61 protected HLayout container;
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62
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63 /** The minimal value that the user is allowed to enter.*/
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64 protected double min;
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65
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66 /** The maximal value that the user is allowed to enter.*/
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67 protected double max;
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68
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69 /** The values entered in the location mode.*/
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70 protected double[] values;
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71
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72 /** The input panel for locations */
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73 protected DoubleArrayPanel locationPanel;
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74
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75 /** The locations table */
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76 protected ListGrid locationTable;
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77
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78 /** The table data. */
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79 protected DistanceInfoObject[] tableData;
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80
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81 /**
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82 * Creates a new LocationDistancePanel instance.
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83 */
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84 public SingleLocationPanel() {
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85 locationTable = new ListGrid();
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86 locationTable.setShowHeaderContextMenu(false);
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87 }
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89
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90 /**
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91 * This method creates a widget that contains a label, a panel with
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92 * checkboxes to switch the input mode between location and distance input,
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93 * and a the mode specific panel.
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94 *
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95 * @param data The data that might be inserted.
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96 *
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97 * @return a panel.
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98 */
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99 public Canvas create(DataList data) {
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100 VLayout layout = new VLayout();
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101 layout.setMembersMargin(10);
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102
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103 Label label = new Label(MESSAGES.location ());
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104 Canvas widget = createWidget(data);
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105 Canvas submit = getNextButton();
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106
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107 initDefaults(data);
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108
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109 createLocationTable();
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110
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111 widget.setHeight(50);
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112 label.setHeight(25);
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113
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114 layout.addMember(label);
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115 layout.addMember(widget);
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116 layout.addMember(submit);
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117
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118 return layout;
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119 }
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120
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121
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122 /**
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123 * This method creates a table that contains the location values.
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124 */
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125 protected void createLocationTable() {
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126 locationTable.setWidth100();
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127 locationTable.setShowRecordComponents(true);
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128 locationTable.setShowRecordComponentsByCell(true);
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129 locationTable.setHeight100();
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130 locationTable.setEmptyMessage(MESSAGES.empty_table());
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131
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132 ListGridField addLocation = new ListGridField ("", "");
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133 addLocation.setType (ListGridFieldType.ICON);
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134 addLocation.setWidth ("30");
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135 addLocation.addRecordClickHandler (new RecordClickHandler () {
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136 public void onRecordClick (RecordClickEvent e) {
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137 ListGridRecord[] records = locationTable.getSelection();
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138 double[] selected = new double[1];
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139 selected[0] = records[0].getAttributeAsDouble("from");
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140 setLocationValues(selected);
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141 }
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142 });
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143 addLocation.setCellIcon (IMAGES.markerGreen ().getURL ());
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144
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145 ListGridField ldescr = new ListGridField("description",
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146 MESSAGES.description());
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147 ldescr.setType(ListGridFieldType.TEXT);
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148 ldescr.setWidth("*");
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149 ListGridField lside = new ListGridField("riverside",
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150 MESSAGES.riverside());
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151 lside.setType(ListGridFieldType.TEXT);
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152 lside.setWidth(60);
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153 ListGridField loc = new ListGridField("from", MESSAGES.location());
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154 loc.setType(ListGridFieldType.TEXT);
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155 loc.setWidth(80);
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156 locationTable.setFields(addLocation, ldescr, loc, lside);
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157 }
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158
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159
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160 public Canvas createOld(DataList dataList) {
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161 List<Data> items = dataList.getAll();
242
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162 Data dLocation = getData(items, "ld_locations");
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163 DataItem[] loc = dLocation.getItems();
238
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164
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165 HLayout layout = new HLayout();
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166 layout.setWidth("400px");
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167
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168 Label label = new Label(dataList.getLabel());
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169 label.setWidth("200px");
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170
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171 Canvas back = getBackButton(dataList.getState());
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172
242
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173 Label selected = new Label(loc[0].getLabel());
238
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174 selected.setWidth("130px");
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175
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176 layout.addMember(label);
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177 layout.addMember(selected);
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178 layout.addMember(back);
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179
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180 return layout;
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181 }
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182
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183
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184 /**
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185 * This method reads the default values defined in the DataItems of the Data
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186 * objects in <i>list</i>.
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187 *
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188 * @param list The DataList container that stores the Data objects.
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189 */
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190 protected void initDefaults(DataList list) {
519
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191 Data data = list.get(0);
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192
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193 if (data == null) {
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194 return;
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195 }
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196
563
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197 DataItem[] items = data.getItems();
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198 DataItem iMin = getDataItem(items, "min");
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199 DataItem iMax = getDataItem(items, "max");
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200
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201 try {
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202 min = Double.parseDouble(iMin.getStringValue());
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203 max = Double.parseDouble(iMax.getStringValue());
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204 }
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205 catch (NumberFormatException nfe) {
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206 SC.warn(MESSAGES.error_read_minmax_values());
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207 min = -Double.MAX_VALUE;
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208 max = Double.MAX_VALUE;
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209 }
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210
519
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211 DataItem def = data.getDefault();
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212 String value = def.getStringValue();
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213
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214 try {
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215 double d = Double.parseDouble(value);
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216 setLocationValues(new double[] { d } );
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217 }
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218 catch (NumberFormatException nfe) {
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219 // could not parse, dont know what to do else
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220 }
238
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221 }
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222
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223
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224 /**
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225 * This method greps the Data with name <i>name</i> from the list and
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226 * returns it.
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227 *
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228 * @param items A list of Data.
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229 * @param name The name of the Data that we are searching for.
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230 *
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231 * @return the Data with the name <i>name</i>.
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232 */
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233 protected Data getData(List<Data> data, String name) {
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234 for (Data d: data) {
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235 if (name.equals(d.getLabel())) {
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236 return d;
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237 }
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238 }
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239
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240 return null;
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241 }
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242
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243
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244 protected Canvas createWidget(DataList data) {
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245 VLayout layout = new VLayout();
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246 container = new HLayout();
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247
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248 // the initial view will display the location input mode
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249 locationPanel = new DoubleArrayPanel(
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250 MESSAGES.unitLocation(),
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251 getLocationValues(),
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252 new BlurHandler(){public void onBlur(BlurEvent be) {}});
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253 container.addMember(locationPanel);
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254
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255 layout.addMember(container);
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256
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257 container.setMembersMargin(30);
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258
272
d3c053420c3b ISSUE 44: Moved the location/range and WQ input tables to the helper panel and
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259 helperContainer.addChild(locationTable);
238
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260 createInputPanel();
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261 return layout;
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262 }
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263
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264
563
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diff changeset
265 @Override
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diff changeset
266 public List<String> validate() {
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diff changeset
267 List<String> errors = new ArrayList<String>();
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diff changeset
268 NumberFormat nf = NumberFormat.getDecimalFormat();
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269
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270 saveLocationValues(locationPanel);
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271
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
272 if (!locationPanel.validateForm()) {
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diff changeset
273 errors.add(MESSAGES.wrongFormat());
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274 return errors;
469528551b78 Introduced an input validation for the location panels.
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275 }
469528551b78 Introduced an input validation for the location panels.
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276
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277 double[] values = getLocationValues();
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diff changeset
278 double[] good = new double[values.length];
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diff changeset
279 int idx = 0;
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280
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281 for (double value: values) {
469528551b78 Introduced an input validation for the location panels.
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parents: 522
diff changeset
282 if (value < min || value > max) {
469528551b78 Introduced an input validation for the location panels.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 522
diff changeset
283 String tmp = MESSAGES.error_validate_range();
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parents: 522
diff changeset
284 tmp = tmp.replace("$1", nf.format(value));
469528551b78 Introduced an input validation for the location panels.
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parents: 522
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285 tmp = tmp.replace("$2", nf.format(min));
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286 tmp = tmp.replace("$3", nf.format(max));
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287 errors.add(tmp);
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288 }
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289 else {
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290 good[idx++] = value;
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291 }
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292 }
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293
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294 double[] justGood = new double[idx];
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295 for (int i = 0; i < justGood.length; i++) {
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296 justGood[i] = good[i];
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297 }
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298
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299 if (!errors.isEmpty()) {
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
300 locationPanel.setValues(justGood);
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301 }
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302
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303 return errors;
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
304 }
469528551b78 Introduced an input validation for the location panels.
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305
469528551b78 Introduced an input validation for the location panels.
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306
238
234c78a91c15 Added new UI provider for single location selection.
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307 /**
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308 * This method returns the selected data.
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309 *
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310 * @return the selected/inserted data.
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311 */
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312 public Data[] getData() {
242
f9ca49e59fb6 Fixed the single location input panel.
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parents: 238
diff changeset
313 saveLocationValues(locationPanel);
238
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diff changeset
314 double[] values = getLocationValues();
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diff changeset
315 Data[] data = new Data[values.length];
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parents:
diff changeset
316 DataItem item = new DefaultDataItem();
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parents:
diff changeset
317 for (int i = 0; i < values.length; i++) {
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318 item = new DefaultDataItem(
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
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diff changeset
319 "ld_locations",
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
320 "ld_locations",
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
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diff changeset
321 Double.valueOf(values[i]).toString());
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
322 data[i] = new DefaultData(
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diff changeset
323 "ld_locations",
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
324 null,
234c78a91c15 Added new UI provider for single location selection.
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parents:
diff changeset
325 null,
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
326 new DataItem[] {item});
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Raimund Renkert <raimund.renkert@intevation.de>
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327 }
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
328 return data;
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
329 }
234c78a91c15 Added new UI provider for single location selection.
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parents:
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330
234c78a91c15 Added new UI provider for single location selection.
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331
234c78a91c15 Added new UI provider for single location selection.
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parents:
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332
234c78a91c15 Added new UI provider for single location selection.
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333
234c78a91c15 Added new UI provider for single location selection.
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334 /**
234c78a91c15 Added new UI provider for single location selection.
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335 * Validates and stores all values entered in the location mode.
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336 *
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337 * @param p The DoubleArrayPanel.
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338 */
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339 protected void saveLocationValues(DoubleArrayPanel p) {
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Raimund Renkert <raimund.renkert@intevation.de>
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340 FormItem[] formItems = p.getFields();
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341
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342 for (FormItem item: formItems) {
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parents:
diff changeset
343 if (item.getFieldName().equals(DoubleArrayPanel.FIELD_NAME)) {
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344 saveLocationValue(p, item);
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345 }
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diff changeset
346 }
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diff changeset
347 }
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348
234c78a91c15 Added new UI provider for single location selection.
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349
234c78a91c15 Added new UI provider for single location selection.
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diff changeset
350 /**
234c78a91c15 Added new UI provider for single location selection.
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351 * Validates and stores a value entered in the location mode.
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
352 *
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
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diff changeset
353 * @param p The DoubleArrayPanel.
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
354 * @param item The item that needs to be validated.
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
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diff changeset
355 */
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
356 protected void saveLocationValue(DoubleArrayPanel p, FormItem item) {
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
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357 if (p.validateForm(item)) {
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
358 setLocationValues(p.getInputValues(item));
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
359 }
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
360 }
234c78a91c15 Added new UI provider for single location selection.
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parents:
diff changeset
361
234c78a91c15 Added new UI provider for single location selection.
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parents:
diff changeset
362
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
363 protected void createInputPanel() {
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
364 Config config = Config.getInstance();
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
365 String url = config.getServerUrl();
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
366 String locale = config.getLocale ();
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
367 String river = "";
234c78a91c15 Added new UI provider for single location selection.
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parents:
diff changeset
368
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
369 ArtifactDescription adescr = artifact.getArtifactDescription();
234c78a91c15 Added new UI provider for single location selection.
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parents:
diff changeset
370 DataList[] data = adescr.getOldData();
234c78a91c15 Added new UI provider for single location selection.
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parents:
diff changeset
371
234c78a91c15 Added new UI provider for single location selection.
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parents:
diff changeset
372 if (data != null && data.length > 0) {
234c78a91c15 Added new UI provider for single location selection.
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parents:
diff changeset
373 for (int i = 0; i < data.length; i++) {
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parents:
diff changeset
374 DataList dl = data[i];
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
375 if (dl.getState().equals("state.winfo.river")) {
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
376 for (int j = 0; j < dl.size(); j++) {
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
377 Data d = dl.get(j);
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
378 DataItem[] di = d.getItems();
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
379 if (di != null && di.length == 1) {
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
380 river = d.getItems()[0].getStringValue();
276
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 272
diff changeset
381 break;
238
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
382 }
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
383 }
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
384 }
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
385 }
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
386 }
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
387
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
388 distanceInfoService.getDistanceInfo(url, locale, river,
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
389 new AsyncCallback<DistanceInfoObject[]>() {
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
390 public void onFailure(Throwable caught) {
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
391 GWT.log("Could not recieve location informations.");
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
392 GWT.log(caught.getMessage());
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
393 }
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
394
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
395 public void onSuccess(DistanceInfoObject[] di) {
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
396 int num = di != null ? di.length :0;
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
397 GWT.log("Recieved " + num + " location informations.");
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
398
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
399 if (num == 0) {
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
400 return;
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
401 }
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
402 tableData = di;
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
403 updateLocationInfo(di);
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
404 }
234c78a91c15 Added new UI provider for single location selection.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
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405 }
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406 );
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407 }
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408
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409
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410 protected void updateLocationInfo(DistanceInfoObject[] di) {
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411 int i = 0;
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412 for (DistanceInfoObject dio: di) {
242
f9ca49e59fb6 Fixed the single location input panel.
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413 if (dio.getTo() == null) {
238
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414 locationTable.addData(new DistanceInfoRecord(dio));
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415 }
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416 }
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417 return;
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418 }
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419
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420
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421 protected double[] getLocationValues() {
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422 return values;
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423 }
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424
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425
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426 protected void setLocationValues(double[] values) {
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427 this.values = values;
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428 locationPanel.setValues(values);
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429 }
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Raimund Renkert <raimund.renkert@intevation.de>
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430 }
234c78a91c15 Added new UI provider for single location selection.
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431 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org