1 | /* |
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2 | * Copyright (C) 2014 CLARIN |
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3 | * |
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4 | * This program is free software: you can redistribute it and/or modify |
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5 | * it under the terms of the GNU General Public License as published by |
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6 | * the Free Software Foundation, either version 3 of the License, or |
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7 | * (at your option) any later version. |
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8 | * |
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9 | * This program is distributed in the hope that it will be useful, |
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10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 | * GNU General Public License for more details. |
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13 | * |
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14 | * You should have received a copy of the GNU General Public License |
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15 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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16 | */ |
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17 | package eu.clarin.cmdi.vlo.wicket.panels.record; |
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18 | |
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19 | import com.google.common.collect.ImmutableSet; |
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20 | import eu.clarin.cmdi.vlo.FacetConstants; |
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21 | import eu.clarin.cmdi.vlo.config.VloConfig; |
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22 | import eu.clarin.cmdi.vlo.pojo.DocumentField; |
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23 | import eu.clarin.cmdi.vlo.pojo.FacetSelection; |
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24 | import eu.clarin.cmdi.vlo.pojo.QueryFacetsSelection; |
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25 | import eu.clarin.cmdi.vlo.service.PageParametersConverter; |
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26 | import eu.clarin.cmdi.vlo.wicket.components.FieldValueLabel; |
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27 | import eu.clarin.cmdi.vlo.wicket.model.DescriptionFieldModel; |
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28 | import eu.clarin.cmdi.vlo.wicket.model.HandleLinkModel; |
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29 | import eu.clarin.cmdi.vlo.wicket.model.SolrFieldNameModel; |
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30 | import eu.clarin.cmdi.vlo.wicket.pages.FacetedSearchPage; |
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31 | import java.util.Collection; |
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32 | import java.util.Collections; |
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33 | import java.util.List; |
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34 | import org.apache.wicket.AttributeModifier; |
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35 | import org.apache.wicket.extensions.markup.html.basic.SmartLinkLabel; |
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36 | import org.apache.wicket.extensions.markup.html.basic.SmartLinkMultiLineLabel; |
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37 | import org.apache.wicket.markup.html.basic.Label; |
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38 | import org.apache.wicket.markup.html.link.Link; |
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39 | import org.apache.wicket.markup.html.list.ListItem; |
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40 | import org.apache.wicket.markup.html.list.ListView; |
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41 | import org.apache.wicket.markup.html.panel.Panel; |
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42 | import org.apache.wicket.markup.repeater.Item; |
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43 | import org.apache.wicket.markup.repeater.data.DataView; |
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44 | import org.apache.wicket.markup.repeater.data.IDataProvider; |
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45 | import org.apache.wicket.model.AbstractReadOnlyModel; |
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46 | import org.apache.wicket.model.IModel; |
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47 | import org.apache.wicket.model.PropertyModel; |
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48 | import org.apache.wicket.spring.injection.annot.SpringBean; |
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49 | |
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50 | /** |
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51 | * |
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52 | * @author twagoo |
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53 | */ |
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54 | public class FieldsTablePanel extends Panel { |
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55 | |
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56 | /** |
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57 | * List of fields that should be rendered unescaped, {@literal i.e.} HTML |
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58 | * contained in the field should be preserved |
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59 | */ |
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60 | private final static Collection<String> UNESCAPED_VALUE_FIELDS |
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61 | = ImmutableSet.of( |
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62 | FacetConstants.FIELD_LANGUAGE_CODE |
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63 | ); |
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64 | |
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65 | /** |
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66 | * List of fields that should be rendered in a |
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67 | * {@link SmartLinkMultiLineLabel}, which detects URLs and turns them into |
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68 | * links |
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69 | */ |
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70 | private final static Collection<String> SMART_LINK_FIELDS |
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71 | = ImmutableSet.of( |
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72 | FacetConstants.FIELD_DESCRIPTION, |
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73 | FacetConstants.FIELD_LANDINGPAGE, |
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74 | FacetConstants.FIELD_COMPLETE_METADATA |
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75 | ); |
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76 | |
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77 | @SpringBean |
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78 | private VloConfig vloConfig; |
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79 | @SpringBean(name = "queryParametersConverter") |
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80 | private PageParametersConverter<QueryFacetsSelection> paramsConverter; |
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81 | |
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82 | public FieldsTablePanel(String id, IDataProvider<DocumentField> fieldProvider) { |
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83 | super(id); |
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84 | add(new DataView<DocumentField>("documentField", fieldProvider) { |
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85 | |
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86 | @Override |
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87 | protected void populateItem(final Item<DocumentField> item) { |
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88 | final IModel<DocumentField> fieldModel = item.getModel(); |
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89 | final PropertyModel<String> fieldNameModel = new PropertyModel<String>(fieldModel, "fieldName"); |
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90 | final SolrFieldNameModel friendlyFieldNameModel = new SolrFieldNameModel(fieldNameModel); |
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91 | item.add(new Label("fieldName", friendlyFieldNameModel)); |
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92 | final PropertyModel<List> valuesModel = new PropertyModel<List>(fieldModel, "values"); |
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93 | item.add(new ListView("values", valuesModel) { |
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94 | |
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95 | @Override |
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96 | protected void populateItem(final ListItem fieldValueItem) { |
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97 | // add a label that holds the field value |
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98 | fieldValueItem.add(createValueLabel("value", fieldNameModel, fieldValueItem.getModel())); |
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99 | // add a link for selecting the value in the search |
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100 | fieldValueItem.add(createFacetSelectLink("facetSelect", fieldNameModel, fieldValueItem.getModel())); |
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101 | } |
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102 | }); |
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103 | |
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104 | // if field has multiple values, set 'multiple' class on markup element |
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105 | item.add(new AttributeModifier("class", new AbstractReadOnlyModel<String>() { |
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106 | |
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107 | @Override |
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108 | public String getObject() { |
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109 | if (valuesModel.getObject().size() > 1) { |
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110 | return "multiplevalues"; |
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111 | } else { |
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112 | return null; |
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113 | } |
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114 | } |
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115 | })); |
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116 | } |
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117 | }); |
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118 | } |
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119 | |
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120 | private Label createValueLabel(String id, final IModel<String> facetNameModel, final IModel<String> originalValueModel) { |
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121 | final String fieldName = facetNameModel.getObject(); |
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122 | |
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123 | // allow for postprocessing or wrapping of the value model depending on the field |
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124 | final IModel<String> valueModel = getValueModel(facetNameModel, originalValueModel); |
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125 | |
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126 | if (SMART_LINK_FIELDS.contains(fieldName)) { |
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127 | // create label that generates links |
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128 | return new SmartLinkLabel(id, new HandleLinkModel(valueModel)); |
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129 | } else { |
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130 | // add a label for the facet value |
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131 | final Label fieldLabel = new FieldValueLabel(id, valueModel, facetNameModel); |
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132 | |
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133 | // some selected fields may have HTML that needs to be preserved... |
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134 | fieldLabel.setEscapeModelStrings(!UNESCAPED_VALUE_FIELDS.contains(fieldName)); |
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135 | return fieldLabel; |
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136 | } |
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137 | } |
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138 | |
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139 | private Link createFacetSelectLink(String id, final IModel<String> facetNameModel, final IModel valueModel) { |
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140 | return new Link(id) { |
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141 | |
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142 | @Override |
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143 | public void onClick() { |
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144 | final FacetSelection facetSelection = new FacetSelection(Collections.singleton(valueModel.getObject().toString())); |
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145 | final QueryFacetsSelection selection = new QueryFacetsSelection(Collections.singletonMap(facetNameModel.getObject(), facetSelection)); |
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146 | setResponsePage(FacetedSearchPage.class, paramsConverter.toParameters(selection)); |
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147 | } |
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148 | |
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149 | @Override |
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150 | protected void onConfigure() { |
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151 | super.onConfigure(); |
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152 | // only show for facet fields |
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153 | setVisible(isShowFacetSelectLinks() |
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154 | && vloConfig.getAllFacetFields().contains(facetNameModel.getObject())); |
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155 | } |
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156 | |
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157 | }; |
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158 | } |
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159 | |
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160 | protected boolean isShowFacetSelectLinks() { |
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161 | return true; |
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162 | } |
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163 | |
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164 | private IModel<String> getValueModel(IModel<String> facetNameModel, IModel<String> valueModel) { |
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165 | if (FacetConstants.FIELD_DESCRIPTION.equals(facetNameModel.getObject())) { |
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166 | //wrap in model that removes the language prefix |
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167 | return new DescriptionFieldModel(valueModel); |
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168 | } |
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169 | return valueModel; |
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170 | } |
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171 | |
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172 | } |
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