1 | package eu.clarin.cmdi.vlo.pages; |
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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 org.apache.solr.client.solrj.response.FacetField; |
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6 | import org.apache.solr.client.solrj.response.FacetField.Count; |
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7 | import org.apache.wicket.PageParameters; |
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8 | import org.apache.wicket.markup.html.WebMarkupContainer; |
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9 | import org.apache.wicket.markup.html.basic.Label; |
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10 | import org.apache.wicket.markup.html.link.BookmarkablePageLink; |
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11 | import org.apache.wicket.markup.html.list.ListItem; |
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12 | import org.apache.wicket.markup.html.list.ListView; |
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13 | import org.apache.wicket.markup.html.panel.Panel; |
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14 | import org.apache.wicket.model.IModel; |
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15 | import org.apache.wicket.model.Model; |
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16 | |
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17 | public class FacetBoxPanel extends Panel { |
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18 | |
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19 | private static final int MAX_NR_OF_FACET_VALUES = 5; |
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20 | private static final long serialVersionUID = 1L; |
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21 | private Label label; |
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22 | private FacetHeaderPanel facetHeaderPanel; |
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23 | private FacetModel facetModel; |
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24 | |
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25 | public FacetBoxPanel(String id, IModel<FacetField> model) { |
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26 | super(id, model); |
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27 | setOutputMarkupId(true); |
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28 | } |
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29 | |
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30 | @SuppressWarnings("serial") |
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31 | public FacetBoxPanel create(final SearchPageQuery query) { |
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32 | final FacetField facetField = (FacetField) getDefaultModelObject(); |
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33 | facetModel = new FacetModel(facetField); |
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34 | facetModel.setSelectedValue(query.getSelectedValue(facetField)); |
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35 | label = new Label("headerLabel", facetField.getName()); |
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36 | add(label); |
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37 | facetHeaderPanel = new FacetHeaderPanel("facetHeaderPanel", new Model<FacetModel>(facetModel), query); |
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38 | if (facetModel.isSelected()) { |
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39 | add(facetHeaderPanel); |
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40 | } else { |
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41 | add(new WebMarkupContainer("facetHeaderPanel")); |
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42 | } |
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43 | List<Count> allValues = facetField.getValues(); |
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44 | List<Count> values = allValues; |
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45 | final boolean showMore = allValues != null && allValues.size() > MAX_NR_OF_FACET_VALUES; |
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46 | if (showMore) { |
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47 | values = allValues.subList(0, MAX_NR_OF_FACET_VALUES); |
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48 | } |
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49 | ListView<Count> facetList = new ListView<Count>("facetList", values) { |
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50 | @Override |
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51 | protected void populateItem(ListItem<Count> item) { |
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52 | item.add(new FacetLinkPanel("facetLinks", item.getModel(), query)); |
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53 | } |
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54 | |
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55 | @Override |
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56 | public boolean isVisible() { |
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57 | return !facetModel.isSelected(); |
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58 | } |
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59 | }; |
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60 | add(facetList); |
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61 | PageParameters pageParameters = query.getPageParameters(); |
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62 | pageParameters.add(ShowAllFacetValuesPage.SELECTED_FACET_PARAM, facetField.getName()); |
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63 | add(new BookmarkablePageLink("showMore", ShowAllFacetValuesPage.class, pageParameters) { |
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64 | |
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65 | public boolean isVisible() { |
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66 | return !facetModel.isSelected() && showMore; |
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67 | } |
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68 | |
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69 | }); |
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70 | return this; |
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71 | } |
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72 | |
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73 | public void replaceHeader(boolean isSelected, String selectedValue) { |
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74 | facetModel.setSelectedValue(selectedValue); |
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75 | if (isSelected) { |
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76 | label.replaceWith(facetHeaderPanel); |
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77 | } else { |
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78 | facetHeaderPanel.replaceWith(label); |
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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 | } |
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