21431284807

Committed 28 Jan 2026 08:43AM UTC coverage: 14.227% (-0.9%) from 15.111%

Build # 21431284807

Build Type

push

github

Committed by

tkuhn

Commit Message

feat: show label for profiled resources filled into form

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0.0

src/main/java/com/knowledgepixels/nanodash/component/GuidedChoiceItem.java

package com.knowledgepixels.nanodash.component;

import com.knowledgepixels.nanodash.LocalUri;
import com.knowledgepixels.nanodash.ProfiledResource;
import com.knowledgepixels.nanodash.Space;
import com.knowledgepixels.nanodash.Utils;
import com.knowledgepixels.nanodash.component.IriTextfieldItem.Validator;
import com.knowledgepixels.nanodash.template.Template;
import com.knowledgepixels.nanodash.template.TemplateContext;
import com.knowledgepixels.nanodash.template.UnificationException;
import org.apache.wicket.Component;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.form.OnChangeAjaxBehavior;
import org.apache.wicket.behavior.AttributeAppender;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.link.ExternalLink;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;
import org.apache.wicket.validation.Validatable;
import org.eclipse.rdf4j.model.IRI;
import org.eclipse.rdf4j.model.Value;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.wicketstuff.select2.ChoiceProvider;
import org.wicketstuff.select2.Response;
import org.wicketstuff.select2.Select2Choice;

import java.util.*;

/**
 * A guided choice item that allows users to select from a list of predefined values.
 */
public class GuidedChoiceItem extends AbstractContextComponent {

    private Select2Choice<String> textfield;
    private ExternalLink tooltipLink;
    private Label tooltipDescription;
    private IRI iri;
    private IModel<String> model;
    private static final Logger logger = LoggerFactory.getLogger(GuidedChoiceItem.class);

    private String prefix;

    // TODO: This map being static could mix up labels if the same URI is described at different places:
    // TODO: This should maybe go into a different class?
    private static Map<String, String> labelMap = new HashMap<>();

    /**
     * Get the label for a given value.
     *
     * @param value The value for which to get the label.
     * @return The label associated with the value, or null if not found.
     */
    public static String getLabel(String value) {
        return labelMap.get(value);
    }

    /**
     * Set a label for a given value.
     *
     * @param value The value for which to set the label.
     * @param label The label to associate with the value.
     * @return The previous label associated with the value, or null if there was none.
     */
    public static String setLabel(String value, String label) {
        return labelMap.put(value, label);
    }

    private String getChoiceLabel(String choiceId) {
        Template template = context.getTemplate();
        String label = null;
        if (choiceId.matches("https?://.+") && template.getLabel(vf.createIRI(choiceId)) != null) {
            label = template.getLabel(vf.createIRI(choiceId));
        } else if (labelMap.containsKey(choiceId)) {
            label = labelMap.get(choiceId);
            if (label.length() > 160) label = label.substring(0, 157) + "...";
        }
        return label;
    }

    /**
     * Constructor for the GuidedChoiceItem.
     *
     * @param id       The Wicket component ID.
     * @param parentId The parent ID, used for context.
     * @param iriP     The IRI associated with this choice item.
     * @param optional Whether the choice is optional or required.
     * @param context  The template context containing the template and models.
     */
    public GuidedChoiceItem(String id, String parentId, final IRI iriP, boolean optional, final TemplateContext context) {
        super(id, context);
        this.iri = iriP;
        final Template template = context.getTemplate();
        model = (IModel<String>) context.getComponentModels().get(iri);
        if (model == null) {
            model = Model.of("");
            context.getComponentModels().put(iri, model);
        }
        String postfix = Utils.getUriPostfix(iri);
        if (context.hasParam(postfix)) {
            String objId = context.getParam(postfix);
            if (ProfiledResource.get(objId) != null) {
                labelMap.put(objId, ProfiledResource.get(objId).getLabel());
            }
            model.setObject(objId);
        }
        final List<String> possibleValues = new ArrayList<>();
        for (Value v : template.getPossibleValues(iri)) {
            possibleValues.add(v.toString());
        }

        prefix = template.getPrefix(iri);
        if (prefix == null) prefix = "";
        String prefixLabel = template.getPrefixLabel(iri);
        Label prefixLabelComp;
        if (prefixLabel == null) {
            prefixLabelComp = new Label("prefix", "");
            prefixLabelComp.setVisible(false);
        } else {
            if (!prefixLabel.isEmpty() && parentId.equals("subj") && !prefixLabel.matches("https?://.*")) {
                // Capitalize first letter of label if at subject position:
                prefixLabel = prefixLabel.substring(0, 1).toUpperCase() + prefixLabel.substring(1);
            }
            prefixLabelComp = new Label("prefix", prefixLabel);
        }
        add(prefixLabelComp);
        String prefixTooltip = prefix;
        if (!prefix.isEmpty()) {
            prefixTooltip += "...";
        }
        add(new Label("prefixtooltiptext", prefixTooltip));

        ChoiceProvider<String> choiceProvider = new ChoiceProvider<String>() {

            @Override
            public String getDisplayValue(String choiceId) {
                if (choiceId == null || choiceId.isEmpty()) return "";
                String label = getChoiceLabel(choiceId);
                if (label == null || label.isBlank()) {
                    return choiceId;
                }
                return label + " (" + choiceId + ")";
            }

            @Override
            public String getIdValue(String object) {
                return object;
            }

            // Getting strange errors with Tomcat if this method is not overridden:
            @Override
            public void detach() {
            }

            @Override
            public void query(String term, int page, Response<String> response) {
                if (term == null) {
                    response.addAll(possibleValues);
                    return;
                }
                if (term.startsWith("https://") || term.startsWith("http://")) {
                    if (prefix == null || term.startsWith(prefix)) {
                        response.add(term);
                    }
                }
                Map<String, Boolean> alreadyAddedMap = new HashMap<>();
                term = term.toLowerCase();
                for (String s : possibleValues) {
                    if (s.toLowerCase().contains(term) || getDisplayValue(s).toLowerCase().contains(term)) {
                        response.add(s);
                        alreadyAddedMap.put(s, true);
                    }
                }
                for (String v : context.getTemplate().getPossibleValuesFromApi(iri, term, labelMap)) {
                    if (!alreadyAddedMap.containsKey(v)) response.add(v);
                }
            }

            @Override
            public Collection<String> toChoices(Collection<String> ids) {
                return ids;
            }

        };
        textfield = new Select2Choice<String>("textfield", model, choiceProvider);
        textfield.getSettings().getAjax(true).setDelay(500);
        textfield.getSettings().setCloseOnSelect(true);
        String placeholder = template.getLabel(iri);
        if (placeholder == null) placeholder = "";
        textfield.getSettings().setPlaceholder(placeholder);
        Utils.setSelect2ChoiceMinimalEscapeMarkup(textfield);
        textfield.getSettings().setAllowClear(true);

        if (!optional) textfield.setRequired(true);
        textfield.add(new AttributeAppender("class", " wide"));
        textfield.add(new Validator(iri, template, prefix, context));
        context.getComponents().add(textfield);

        tooltipDescription = new Label("description", new IModel<String>() {

            @Override
            public String getObject() {
                String obj = GuidedChoiceItem.this.getModel().getObject();
                if (obj == null || obj.isEmpty()) return "choose a value";
                String label = getChoiceLabel(GuidedChoiceItem.this.getModel().getObject());
                if (label == null || !label.contains(" - ")) return "";
                return label.substring(label.indexOf(" - ") + 3);
            }

        });
        tooltipDescription.setOutputMarkupId(true);
        add(tooltipDescription);

        tooltipLink = Utils.getUriLink("uri", model);
        tooltipLink.setOutputMarkupId(true);
        add(tooltipLink);

        textfield.add(new OnChangeAjaxBehavior() {

            @Override
            protected void onUpdate(AjaxRequestTarget target) {
                for (Component c : context.getComponents()) {
                    if (c == textfield) continue;
                    if (c.getDefaultModel() == textfield.getModel()) {
                        c.modelChanged();
                        target.add(c);
                    }
                }
                target.add(tooltipLink);
                target.add(tooltipDescription);
            }

        });
        add(textfield);
    }

    /**
     * Get the model associated with this choice item.
     *
     * @return The model containing the selected value.
     */
    public IModel<String> getModel() {
        return model;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void removeFromContext() {
        context.getComponents().remove(textfield);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public boolean isUnifiableWith(Value v) {
        if (v == null) return true;
        if (v instanceof IRI) {
            String vs = v.stringValue();
            if (vs.startsWith(prefix)) vs = vs.substring(prefix.length());
            if (Utils.isLocalURI(vs)) vs = vs.replaceFirst("^" + LocalUri.PREFIX, "");
            Validatable<String> validatable = new Validatable<>(vs);
            if (context.getTemplate().isLocalResource(iri) && !Utils.isUriPostfix(vs)) {
                vs = Utils.getUriPostfix(vs);
            }
            new Validator(iri, context.getTemplate(), prefix, context).validate(validatable);
            if (!validatable.isValid()) {
                return false;
            }
            if (textfield.getModelObject().isEmpty()) {
                return true;
            }
            return vs.equals(textfield.getModelObject());
        }
        return false;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void unifyWith(Value v) throws UnificationException {
        if (v == null) return;
        if (!isUnifiableWith(v)) throw new UnificationException(v.stringValue());
        String vs = v.stringValue();
        if (prefix != null && vs.startsWith(prefix)) {
            vs = vs.substring(prefix.length());
        } else if (Utils.isLocalURI(vs)) {
            vs = vs.replaceFirst("^" + LocalUri.PREFIX, "");
        }
        textfield.setModelObject(vs);
        // TODO: This should be done differently, at a different place (can slow down unification):
        if (!labelMap.containsKey(vs)) {
            context.getTemplate().getPossibleValuesFromApi(iri, vs, labelMap);
        }
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void fillFinished() {
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void finalizeValues() {
        Value defaultValue = context.getTemplate().getDefault(iri);
        if (isUnifiableWith(defaultValue)) {
            try {
                unifyWith(defaultValue);
            } catch (UnificationException ex) {
                logger.error("Could not unify default value: {}", defaultValue, ex);
            }
        }
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String toString() {
        return "[Guided choiced item: " + iri + "]";
    }

}

1	package com.knowledgepixels.nanodash.component;
2
3	import com.knowledgepixels.nanodash.LocalUri;
4	import com.knowledgepixels.nanodash.ProfiledResource;
5	import com.knowledgepixels.nanodash.Space;
6	import com.knowledgepixels.nanodash.Utils;
7	import com.knowledgepixels.nanodash.component.IriTextfieldItem.Validator;
8	import com.knowledgepixels.nanodash.template.Template;
9	import com.knowledgepixels.nanodash.template.TemplateContext;
10	import com.knowledgepixels.nanodash.template.UnificationException;
11	import org.apache.wicket.Component;
12	import org.apache.wicket.ajax.AjaxRequestTarget;
13	import org.apache.wicket.ajax.form.OnChangeAjaxBehavior;
14	import org.apache.wicket.behavior.AttributeAppender;
15	import org.apache.wicket.markup.html.basic.Label;
16	import org.apache.wicket.markup.html.link.ExternalLink;
17	import org.apache.wicket.model.IModel;
18	import org.apache.wicket.model.Model;
19	import org.apache.wicket.validation.Validatable;
20	import org.eclipse.rdf4j.model.IRI;
21	import org.eclipse.rdf4j.model.Value;
22	import org.slf4j.Logger;
23	import org.slf4j.LoggerFactory;
24	import org.wicketstuff.select2.ChoiceProvider;
25	import org.wicketstuff.select2.Response;
26	import org.wicketstuff.select2.Select2Choice;
27
28	import java.util.*;
29
30	/**
31	* A guided choice item that allows users to select from a list of predefined values.
32	*/
33	public class GuidedChoiceItem extends AbstractContextComponent {
34
35	private Select2Choice<String> textfield;
36	private ExternalLink tooltipLink;
37	private Label tooltipDescription;
38	private IRI iri;
39	private IModel<String> model;
40	private static final Logger logger = LoggerFactory.getLogger(GuidedChoiceItem.class);	×
41
42	private String prefix;
43
44	// TODO: This map being static could mix up labels if the same URI is described at different places:
45	// TODO: This should maybe go into a different class?
46	private static Map<String, String> labelMap = new HashMap<>();	×
47
48	/**
49	* Get the label for a given value.
50	*
51	* @param value The value for which to get the label.
52	* @return The label associated with the value, or null if not found.
53	*/
54	public static String getLabel(String value) {
55	return labelMap.get(value);	×
56	}
57
58	/**
59	* Set a label for a given value.
60	*
61	* @param value The value for which to set the label.
62	* @param label The label to associate with the value.
63	* @return The previous label associated with the value, or null if there was none.
64	*/
65	public static String setLabel(String value, String label) {
66	return labelMap.put(value, label);	×
67	}
68
69	private String getChoiceLabel(String choiceId) {
70	Template template = context.getTemplate();	×
71	String label = null;	×
72	if (choiceId.matches("https?://.+") && template.getLabel(vf.createIRI(choiceId)) != null) {	×
73	label = template.getLabel(vf.createIRI(choiceId));	×
74	} else if (labelMap.containsKey(choiceId)) {	×
75	label = labelMap.get(choiceId);	×
76	if (label.length() > 160) label = label.substring(0, 157) + "...";	×
77	}
78	return label;	×
79	}
80
81	/**
82	* Constructor for the GuidedChoiceItem.
83	*
84	* @param id The Wicket component ID.
85	* @param parentId The parent ID, used for context.
86	* @param iriP The IRI associated with this choice item.
87	* @param optional Whether the choice is optional or required.
88	* @param context The template context containing the template and models.
89	*/
90	public GuidedChoiceItem(String id, String parentId, final IRI iriP, boolean optional, final TemplateContext context) {
91	super(id, context);	×
92	this.iri = iriP;	×
93	final Template template = context.getTemplate();	×
94	model = (IModel<String>) context.getComponentModels().get(iri);	×
95	if (model == null) {	×
96	model = Model.of("");	×
97	context.getComponentModels().put(iri, model);	×
98	}
99	String postfix = Utils.getUriPostfix(iri);	×
100	if (context.hasParam(postfix)) {	×
101	String objId = context.getParam(postfix);	×
102	if (ProfiledResource.get(objId) != null) {	×
103	labelMap.put(objId, ProfiledResource.get(objId).getLabel());	×
104	}
105	model.setObject(objId);	×
106	}
107	final List<String> possibleValues = new ArrayList<>();	×
108	for (Value v : template.getPossibleValues(iri)) {	×
109	possibleValues.add(v.toString());	×
110	}	×
111
112	prefix = template.getPrefix(iri);	×
113	if (prefix == null) prefix = "";	×
114	String prefixLabel = template.getPrefixLabel(iri);	×
115	Label prefixLabelComp;
116	if (prefixLabel == null) {	×
117	prefixLabelComp = new Label("prefix", "");	×
118	prefixLabelComp.setVisible(false);	×
119	} else {
120	if (!prefixLabel.isEmpty() && parentId.equals("subj") && !prefixLabel.matches("https?://.*")) {	×
121	// Capitalize first letter of label if at subject position:
122	prefixLabel = prefixLabel.substring(0, 1).toUpperCase() + prefixLabel.substring(1);	×
123	}
124	prefixLabelComp = new Label("prefix", prefixLabel);	×
125	}
126	add(prefixLabelComp);	×
127	String prefixTooltip = prefix;	×
128	if (!prefix.isEmpty()) {	×
129	prefixTooltip += "...";	×
130	}
131	add(new Label("prefixtooltiptext", prefixTooltip));	×
132
133	ChoiceProvider<String> choiceProvider = new ChoiceProvider<String>() {	×
134
135	@Override
136	public String getDisplayValue(String choiceId) {
137	if (choiceId == null \|\| choiceId.isEmpty()) return "";	×
138	String label = getChoiceLabel(choiceId);	×
139	if (label == null \|\| label.isBlank()) {	×
140	return choiceId;	×
141	}
142	return label + " (" + choiceId + ")";	×
143	}
144
145	@Override
146	public String getIdValue(String object) {
147	return object;	×
148	}
149
150	// Getting strange errors with Tomcat if this method is not overridden:
151	@Override
152	public void detach() {
153	}	×
154
155	@Override
156	public void query(String term, int page, Response<String> response) {
157	if (term == null) {	×
158	response.addAll(possibleValues);	×
159	return;	×
160	}
161	if (term.startsWith("https://") \|\| term.startsWith("http://")) {	×
162	if (prefix == null \|\| term.startsWith(prefix)) {	×
163	response.add(term);	×
164	}
165	}
166	Map<String, Boolean> alreadyAddedMap = new HashMap<>();	×
167	term = term.toLowerCase();	×
168	for (String s : possibleValues) {	×
169	if (s.toLowerCase().contains(term) \|\| getDisplayValue(s).toLowerCase().contains(term)) {	×
170	response.add(s);	×
171	alreadyAddedMap.put(s, true);	×
172	}
173	}	×
174	for (String v : context.getTemplate().getPossibleValuesFromApi(iri, term, labelMap)) {	×
175	if (!alreadyAddedMap.containsKey(v)) response.add(v);	×
176	}	×
177	}	×
178
179	@Override
180	public Collection<String> toChoices(Collection<String> ids) {
181	return ids;	×
182	}
183
184	};
185	textfield = new Select2Choice<String>("textfield", model, choiceProvider);	×
186	textfield.getSettings().getAjax(true).setDelay(500);	×
187	textfield.getSettings().setCloseOnSelect(true);	×
188	String placeholder = template.getLabel(iri);	×
189	if (placeholder == null) placeholder = "";	×
190	textfield.getSettings().setPlaceholder(placeholder);	×
191	Utils.setSelect2ChoiceMinimalEscapeMarkup(textfield);	×
192	textfield.getSettings().setAllowClear(true);	×
193
194	if (!optional) textfield.setRequired(true);	×
195	textfield.add(new AttributeAppender("class", " wide"));	×
196	textfield.add(new Validator(iri, template, prefix, context));	×
197	context.getComponents().add(textfield);	×
198
199	tooltipDescription = new Label("description", new IModel<String>() {	×
200
201	@Override
202	public String getObject() {
203	String obj = GuidedChoiceItem.this.getModel().getObject();	×
204	if (obj == null \|\| obj.isEmpty()) return "choose a value";	×
205	String label = getChoiceLabel(GuidedChoiceItem.this.getModel().getObject());	×
206	if (label == null \|\| !label.contains(" - ")) return "";	×
207	return label.substring(label.indexOf(" - ") + 3);	×
208	}
209
210	});
211	tooltipDescription.setOutputMarkupId(true);	×
212	add(tooltipDescription);	×
213
214	tooltipLink = Utils.getUriLink("uri", model);	×
215	tooltipLink.setOutputMarkupId(true);	×
216	add(tooltipLink);	×
217
218	textfield.add(new OnChangeAjaxBehavior() {	×
219
220	@Override
221	protected void onUpdate(AjaxRequestTarget target) {
222	for (Component c : context.getComponents()) {	×
223	if (c == textfield) continue;	×
224	if (c.getDefaultModel() == textfield.getModel()) {	×
225	c.modelChanged();	×
226	target.add(c);	×
227	}
228	}	×
229	target.add(tooltipLink);	×
230	target.add(tooltipDescription);	×
231	}	×
232
233	});
234	add(textfield);	×
235	}	×
236
237	/**
238	* Get the model associated with this choice item.
239	*
240	* @return The model containing the selected value.
241	*/
242	public IModel<String> getModel() {
243	return model;	×
244	}
245
246	/**
247	* {@inheritDoc}
248	*/
249	@Override
250	public void removeFromContext() {
251	context.getComponents().remove(textfield);	×
252	}	×
253
254	/**
255	* {@inheritDoc}
256	*/
257	@Override
258	public boolean isUnifiableWith(Value v) {
259	if (v == null) return true;	×
260	if (v instanceof IRI) {	×
261	String vs = v.stringValue();	×
262	if (vs.startsWith(prefix)) vs = vs.substring(prefix.length());	×
263	if (Utils.isLocalURI(vs)) vs = vs.replaceFirst("^" + LocalUri.PREFIX, "");	×
264	Validatable<String> validatable = new Validatable<>(vs);	×
265	if (context.getTemplate().isLocalResource(iri) && !Utils.isUriPostfix(vs)) {	×
266	vs = Utils.getUriPostfix(vs);	×
267	}
268	new Validator(iri, context.getTemplate(), prefix, context).validate(validatable);	×
269	if (!validatable.isValid()) {	×
270	return false;	×
271	}
272	if (textfield.getModelObject().isEmpty()) {	×
273	return true;	×
274	}
275	return vs.equals(textfield.getModelObject());	×
276	}
277	return false;	×
278	}
279
280	/**
281	* {@inheritDoc}
282	*/
283	@Override
284	public void unifyWith(Value v) throws UnificationException {
285	if (v == null) return;	×
286	if (!isUnifiableWith(v)) throw new UnificationException(v.stringValue());	×
287	String vs = v.stringValue();	×
288	if (prefix != null && vs.startsWith(prefix)) {	×
289	vs = vs.substring(prefix.length());	×
290	} else if (Utils.isLocalURI(vs)) {	×
291	vs = vs.replaceFirst("^" + LocalUri.PREFIX, "");	×
292	}
293	textfield.setModelObject(vs);	×
294	// TODO: This should be done differently, at a different place (can slow down unification):
295	if (!labelMap.containsKey(vs)) {	×
296	context.getTemplate().getPossibleValuesFromApi(iri, vs, labelMap);	×
297	}
298	}	×
299
300	/**
301	* {@inheritDoc}
302	*/
303	@Override
304	public void fillFinished() {
305	}	×
306
307	/**
308	* {@inheritDoc}
309	*/
310	@Override
311	public void finalizeValues() {
312	Value defaultValue = context.getTemplate().getDefault(iri);	×
313	if (isUnifiableWith(defaultValue)) {	×
314	try {
315	unifyWith(defaultValue);	×
316	} catch (UnificationException ex) {	×
317	logger.error("Could not unify default value: {}", defaultValue, ex);	×
318	}	×
319	}
320	}	×
321
322	/**
323	* {@inheritDoc}
324	*/
325	@Override
326	public String toString() {
327	return "[Guided choiced item: " + iri + "]";	×
328	}
329
330	}

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