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knowledgepixels / nanodash / 19097758229

05 Nov 2025 09:43AM UTC coverage: 14.319% (-0.6%) from 14.966%
19097758229

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github

tkuhn
feat: Add ViewDisplay class to link source nanopub for QueryResultTable

518 of 4516 branches covered (11.47%)

Branch coverage included in aggregate %.

1332 of 8404 relevant lines covered (15.85%)

0.71 hits per line

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0.0
src/main/java/com/knowledgepixels/nanodash/component/QueryResultTable.java
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package com.knowledgepixels.nanodash.component;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import org.apache.wicket.Component;
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import org.apache.wicket.behavior.AttributeAppender;
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import org.apache.wicket.extensions.ajax.markup.html.repeater.data.table.AjaxNavigationToolbar;
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import org.apache.wicket.extensions.markup.html.repeater.data.grid.ICellPopulator;
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import org.apache.wicket.extensions.markup.html.repeater.data.sort.ISortState;
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import org.apache.wicket.extensions.markup.html.repeater.data.table.AbstractColumn;
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import org.apache.wicket.extensions.markup.html.repeater.data.table.DataTable;
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import org.apache.wicket.extensions.markup.html.repeater.data.table.HeadersToolbar;
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import org.apache.wicket.extensions.markup.html.repeater.data.table.IColumn;
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import org.apache.wicket.extensions.markup.html.repeater.data.table.ISortableDataProvider;
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import org.apache.wicket.extensions.markup.html.repeater.data.table.NoRecordsToolbar;
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import org.apache.wicket.extensions.markup.html.repeater.util.SingleSortState;
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import org.apache.wicket.markup.html.basic.Label;
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import org.apache.wicket.markup.html.link.AbstractLink;
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import org.apache.wicket.markup.html.link.BookmarkablePageLink;
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import org.apache.wicket.markup.html.panel.Panel;
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import org.apache.wicket.markup.repeater.Item;
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import org.apache.wicket.model.IModel;
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import org.apache.wicket.model.Model;
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import org.apache.wicket.request.mapper.parameter.PageParameters;
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import org.eclipse.rdf4j.model.IRI;
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import org.nanopub.extra.services.ApiResponse;
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import org.nanopub.extra.services.ApiResponseEntry;
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import org.nanopub.extra.services.QueryRef;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.knowledgepixels.nanodash.ApiCache;
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import com.knowledgepixels.nanodash.GrlcQuery;
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import com.knowledgepixels.nanodash.ResourceView;
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import com.knowledgepixels.nanodash.Space;
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import com.knowledgepixels.nanodash.Utils;
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import com.knowledgepixels.nanodash.ViewDisplay;
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import com.knowledgepixels.nanodash.page.ExplorePage;
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import com.knowledgepixels.nanodash.page.NanodashPage;
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import com.knowledgepixels.nanodash.page.PublishPage;
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import com.knowledgepixels.nanodash.template.Template;
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/**
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 * A table component that displays the results of a query.
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 */
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public class QueryResultTable extends Panel {
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    private static final Logger logger = LoggerFactory.getLogger(QueryResultTable.class);
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    private Model<String> errorMessages = Model.of("");
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    private DataTable<ApiResponseEntry, String> table;
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    private Label errorLabel;
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    private boolean finalized = false;
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    private List<AbstractLink> buttons = new ArrayList<>();
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    private String contextId;
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    private Space space;
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    private QueryResultTable(String id, GrlcQuery q, ApiResponse response, boolean plain, ViewDisplay viewDisplay, long rowsPerPage, String contextId) {
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        super(id);
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        this.contextId = contextId;
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        if (plain) {
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            add(new Label("label").setVisible(false));
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            add(new Label("morelink").setVisible(false));
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        } else {
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            String label = q.getLabel();
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            if (viewDisplay.getView().getTitle() != null) label = viewDisplay.getView().getTitle();
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            add(new Label("label", label));
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            add(new BookmarkablePageLink<Void>("morelink", ExplorePage.class, new PageParameters().add("id", viewDisplay.getNanopubId())));
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        }
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        errorLabel = new Label("error-messages", errorMessages);
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        errorLabel.setVisible(false);
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        add(errorLabel);
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        List<IColumn<ApiResponseEntry, String>> columns = new ArrayList<>();
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        DataProvider dp;
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        try {
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            for (String h : response.getHeader()) {
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                if (h.endsWith("_label")) continue;
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                columns.add(new Column(h.replaceAll("_", " "), h));
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            }
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            dp = new DataProvider(response.getData());
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            table = new DataTable<>("table", columns, dp, rowsPerPage);
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            table.setOutputMarkupId(true);
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            table.addBottomToolbar(new AjaxNavigationToolbar(table));
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            table.addBottomToolbar(new NoRecordsToolbar(table));
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            table.addTopToolbar(new HeadersToolbar<String>(table, dp));
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            add(table);
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        } catch (Exception ex) {
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            logger.error("Error creating table for query {}", q.getQueryId(), ex);
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            add(new Label("table", "").setVisible(false));
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            addErrorMessage(ex.getMessage());
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        }
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    }
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    // TODO button adding method copied and adjusted from ItemListPanel
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    // TODO Improve this (member/admin) button handling:
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    public QueryResultTable addButton(String label, Class<? extends NanodashPage> pageClass, PageParameters parameters) {
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        if (parameters == null) parameters = new PageParameters();
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        if (contextId != null) parameters.add("context", contextId);
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        AbstractLink button = new BookmarkablePageLink<NanodashPage>("button", pageClass, parameters);
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        button.setBody(Model.of(label));
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        buttons.add(button);
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        return this;
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    }
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    public QueryResultTable setContext(String contextId, Space space) {
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        this.space = space;
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        return this;
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    }
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    @Override
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    protected void onBeforeRender() {
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        if (!finalized) {
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            if (!buttons.isEmpty()) {
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                add(new ButtonList("buttons", space, buttons, null, null));
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            } else {
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                add(new Label("buttons").setVisible(false));
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            }
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            finalized = true;
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        }
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        super.onBeforeRender();
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    }
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    private void addErrorMessage(String errorMessage) {
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        String s = errorMessages.getObject();
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        if (s.isEmpty()) {
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            s = "Error: " + errorMessage;
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        } else {
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            s += ", " + errorMessage;
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        }
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        errorMessages.setObject(s);
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        errorLabel.setVisible(true);
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        if (table != null) table.setVisible(false);
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    }
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    private class Column extends AbstractColumn<ApiResponseEntry, String> {
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        private String key;
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        public Column(String title, String key) {
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            super(new Model<String>(title), key);
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            this.key = key;
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        }
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        @Override
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        public void populateItem(Item<ICellPopulator<ApiResponseEntry>> cellItem, String componentId, IModel<ApiResponseEntry> rowModel) {
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            try {
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                String value = rowModel.getObject().get(key);
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                if (value.matches("https?://.+ .+")) {
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                    List<Component> links = new ArrayList<>();
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                    for (String v : value.split(" ")) {
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                        links.add(new NanodashLink("component", v));
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                    }
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                    cellItem.add(new ComponentSequence(componentId, ", ", links));
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                } else if (value.matches("https?://.+")) {
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                    String label = rowModel.getObject().get(key + "_label");
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                    cellItem.add(new NanodashLink(componentId, value, null, null, label, contextId));
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                } else {
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                    if (key.startsWith("pubkey")) {
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                        cellItem.add(new Label(componentId, value).add(new AttributeAppender("style", "overflow-wrap: anywhere;")));
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                    } else {
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                        cellItem.add(new Label(componentId, value));
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                    }
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                }
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            } catch (Exception ex) {
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                logger.error("Failed to populate table column: ", ex);
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                cellItem.add(new Label(componentId).setVisible(false));
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                addErrorMessage(ex.getMessage());
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            }
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        }
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    }
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    private class DataProvider implements ISortableDataProvider<ApiResponseEntry, String> {
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        private List<ApiResponseEntry> data = new ArrayList<>();
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        private SingleSortState<String> sortState = new SingleSortState<>();
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        public DataProvider() {
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//                        sortState.setSort(new SortParam<String>("date", false));
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        }
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        public DataProvider(List<ApiResponseEntry> data) {
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            this();
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            this.data = data;
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        }
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        @Override
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        public Iterator<? extends ApiResponseEntry> iterator(long first, long count) {
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//                        List<ApiResponseEntry> copy = new ArrayList<>(data);
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//                        ApiResponseComparator comparator = new ApiResponseComparator(sortState.getSort());
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//                        Collections.sort(copy, comparator);
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//                        return Utils.subList(copy, first, first + count).iterator();
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            return Utils.subList(data, first, first + count).iterator();
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        }
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        @Override
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        public IModel<ApiResponseEntry> model(ApiResponseEntry object) {
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            return new Model<ApiResponseEntry>(object);
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        }
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        @Override
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        public long size() {
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            return data.size();
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        }
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        @Override
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        public ISortState<String> getSortState() {
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            return sortState;
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        }
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        @Override
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        public void detach() {
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        }
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    }
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//    private class ApiResponseComparator implements Comparator<ApiResponseEntry>, Serializable {
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//
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//        private SortParam<String> sortParam;
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//
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//        public ApiResponseComparator(SortParam<String> sortParam) {
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//            this.sortParam = sortParam;
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//        }
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//
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//        @Override
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//        public int compare(ApiResponseEntry o1, ApiResponseEntry o2) {
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//            String p = sortParam.getProperty();
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//            int result;
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//            if (o1.get(p) == null && o2.get(p) == null) {
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//                result = 0;
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//            } else if (o1.get(p) == null) {
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//                result = 1;
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//            } else if (o2.get(p) == null) {
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//                result = -1;
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//            } else {
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//                result = o1.get(p).compareTo(o2.get(p));
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//            }
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//            if (!sortParam.isAscending()) result = -result;
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//            return result;
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//        }
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//
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//    }
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    public static Component createComponent(final String markupId, QueryRef queryRef, long rowsPerPage) {
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        final GrlcQuery q = GrlcQuery.get(queryRef);
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        ApiResponse response = ApiCache.retrieveResponse(queryRef);
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        if (response != null) {
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            return new QueryResultTable(markupId, q, response, false, null, rowsPerPage, null);
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        } else {
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            return new ApiResultComponent(markupId, queryRef) {
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                @Override
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                public Component getApiResultComponent(String markupId, ApiResponse response) {
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                    return new QueryResultTable(markupId, q, response, false, null, rowsPerPage, null);
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                }
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            };
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        }
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    }
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    // TODO These long parameter lists are a bit mess; this needs to be modeled better:
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    public static Component createComponent(final String markupId, QueryRef queryRef, ViewDisplay viewDisplay, String id, String contextId, Space space, long rowsPerPage) {
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        final GrlcQuery q = GrlcQuery.get(queryRef);
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        ApiResponse response = ApiCache.retrieveResponse(queryRef);
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        if (response != null) {
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            return createTableComponent(markupId, q, response, viewDisplay, id, contextId, space, rowsPerPage);
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        } else {
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            return new ApiResultComponent(markupId, queryRef) {
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                @Override
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                public Component getApiResultComponent(String markupId, ApiResponse response) {
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                    return createTableComponent(markupId, q, response, viewDisplay, id, contextId, space, rowsPerPage);
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                }
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            };
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        }
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    }
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    public static QueryResultTable createTableComponent(String markupId, GrlcQuery query, ApiResponse response, ViewDisplay viewDisplay, String id, String contextId, Space space, long rowsPerPage) {
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        ResourceView view = viewDisplay.getView();
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        QueryResultTable table = new QueryResultTable(markupId, query, response, false, viewDisplay, rowsPerPage, contextId);
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        table.setContext(contextId, space);
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        for (IRI actionIri : view.getActionList()) {
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            Template t = view.getTemplateForAction(actionIri);
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            if (t == null) continue;
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            String field = view.getTemplateFieldForAction(actionIri);
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            if (field == null) field = "resource";
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            String label = view.getLabelForAction(actionIri);
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            if (label == null) label = "action...";
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            PageParameters params = new PageParameters().set("template", t.getId()).set("param_" + field, id).set("context", contextId);
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            table.addButton(label, PublishPage.class, params);
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        }
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        return table;
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    }
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    /**
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     * <p>createComponent.</p>
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     *
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     * @param markupId a {@link java.lang.String} object
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     * @param queryRef the query reference
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     * @return a {@link org.apache.wicket.Component} object
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     */
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    public static Component createPlainComponent(final String markupId, QueryRef queryRef, long rowsPerPage, String contextId) {
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        final GrlcQuery q = GrlcQuery.get(queryRef);
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        ApiResponse response = ApiCache.retrieveResponse(queryRef);
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        if (response != null) {
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            return new QueryResultTable(markupId, q, response, true, null, rowsPerPage, contextId);
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        } else {
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            return new ApiResultComponent(markupId, queryRef) {
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                @Override
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                public Component getApiResultComponent(String markupId, ApiResponse response) {
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                    return new QueryResultTable(markupId, q, response, true, null, rowsPerPage, contextId);
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                }
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            };
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        }
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    }
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}
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