18653097879

Committed 20 Oct 2025 01:11PM UTC coverage: 13.053% (-0.5%) from 13.583%

Build # 18653097879

Build Type

push

github

Committed by

web-flow

Commit Message

Merge pull request #265 from knowledgepixels/252-datetime-picker-datetime-literal-placeholders

Add date pickers for date/datetime literal placeholders

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450 of 4316 branches covered (10.43%)

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

package com.knowledgepixels.nanodash.component;

import com.knowledgepixels.nanodash.Utils;
import com.knowledgepixels.nanodash.template.Template;
import com.knowledgepixels.nanodash.template.TemplateContext;
import com.knowledgepixels.nanodash.template.UnificationException;
import org.apache.wicket.AttributeModifier;
import org.apache.wicket.Component;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.form.OnChangeAjaxBehavior;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.form.AbstractTextComponent;
import org.apache.wicket.markup.html.form.TextField;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;
import org.apache.wicket.validation.IValidator;
import org.apache.wicket.validation.ValidationError;
import org.eclipse.rdf4j.model.IRI;
import org.eclipse.rdf4j.model.Literal;
import org.eclipse.rdf4j.model.Value;
import org.eclipse.rdf4j.model.util.Literals;
import org.eclipse.rdf4j.model.vocabulary.XSD;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * A component that represents a text field for entering literal values.
 */
public class LiteralTextfieldItem extends Panel implements ContextComponent {

    private TemplateContext context;
    private AbstractTextComponent<String> textfield;
    private Label languageComp, datatypeComp;
    private IModel<String> languageModel, datatypeModel;
    private final String regex;
    private final IRI iri;
    private final static Logger logger = LoggerFactory.getLogger(LiteralTextfieldItem.class);

    /**
     * Constructs a LiteralTextfieldItem with the specified ID, IRI, optional flag, and template context.
     *
     * @param id       the component ID
     * @param iri      the IRI associated with this text field
     * @param optional whether this field is optional
     * @param context  the template context containing models and parameters
     */
    public LiteralTextfieldItem(String id, final IRI iri, boolean optional, TemplateContext context) {
        super(id);
        this.context = context;
        final Template template = context.getTemplate();
        this.iri = iri;
        regex = template.getRegex(iri);
        IModel<String> 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)) {
            model.setObject(context.getParam(postfix));
        }
        AbstractTextComponent<String> tc = initTextComponent(model);
        if (!optional) tc.setRequired(true);
        if (context.getTemplate().getLabel(iri) != null) {
            tc.add(new AttributeModifier("placeholder", context.getTemplate().getLabel(iri)));
        }
        tc.add((IValidator<String>) s -> {
            if (regex != null) {
                if (!s.getValue().matches(regex)) {
                    s.error(new ValidationError("Value '" + s.getValue() + "' doesn't match the pattern '" + regex + "'"));
                }
            }
        });

        tc.add(new OnChangeAjaxBehavior() {
            @Override
            protected void onUpdate(AjaxRequestTarget target) {
                for (Component c : context.getComponents()) {
                    if (c == tc) continue;
                    if (c.getDefaultModel() == tc.getModel()) {
                        c.modelChanged();
                        target.add(c);
                    }
                }
            }
        });
        context.getComponentModels().put(iri, tc.getModel());
        context.getComponents().add(tc);
        tc.add(new ValueItem.KeepValueAfterRefreshBehavior());
        tc.add(new InvalidityHighlighting());
        add(tc);

        languageModel = Model.of("");
        languageComp = new Label("language", languageModel);
        datatypeModel = Model.of("");
        datatypeComp = new Label("datatype", datatypeModel);
        if (template.getLanguageTag(iri) != null) {
            languageModel.setObject("(" + template.getLanguageTag(iri) + ")");
            datatypeComp.setVisible(false);
        } else if (template.getDatatype(iri) != null && !template.getDatatype(iri).equals(XSD.STRING)) {
            datatypeModel.setObject("(" + template.getDatatype(iri).stringValue().replace(XSD.NAMESPACE, "xsd:") + ")");
            languageComp.setVisible(false);
        } else {
            datatypeComp.setVisible(false);
            languageComp.setVisible(false);
        }
        add(languageComp);
        add(datatypeComp);
    }

    /**
     * <p>initTextComponent.</p>
     *
     * @param model a {@link org.apache.wicket.model.IModel} object
     * @return a {@link org.apache.wicket.markup.html.form.AbstractTextComponent} object
     */
    protected AbstractTextComponent<String> initTextComponent(IModel<String> model) {
        textfield = new TextField<>("textfield", model);
        return textfield;
    }

    /**
     * <p>getTextComponent.</p>
     *
     * @return a {@link org.apache.wicket.markup.html.form.AbstractTextComponent} object
     */
    protected AbstractTextComponent<String> getTextComponent() {
        return textfield;
    }

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

    /**
     * {@inheritDoc}
     */
    @Override
    public boolean isUnifiableWith(Value v) {
        if (v == null) return true;
        if (v instanceof Literal vL) {
            if (regex != null && !vL.stringValue().matches(regex)) {
                return false;
            }
            if (getTextComponent().getModelObject().isEmpty()) {
                return true;
            }
            String languagetag = context.getTemplate().getLanguageTag(iri);
            IRI datatype = context.getTemplate().getDatatype(iri);
            if (languagetag != null) {
                if (!vL.getLanguage().isPresent() || !Literals.normalizeLanguageTag(vL.getLanguage().get()).equals(languagetag)) {
                    return false;
                }
            } else if (datatype != null) {
                if (!vL.getDatatype().equals(datatype)) {
                    return false;
                }
            }
            return vL.stringValue().equals(getTextComponent().getModelObject());
        }
        return false;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void unifyWith(Value v) throws UnificationException {
        if (v == null) return;
        if (!isUnifiableWith(v)) throw new UnificationException(v.stringValue());
        Literal vL = (Literal) v;
        getTextComponent().setModelObject(vL.stringValue());
        if (context.getTemplate().getLanguageTag(iri) == null && vL.getLanguage().isPresent()) {
            languageModel.setObject("(" + vL.getLanguage().get().toLowerCase() + ")");
            languageComp.setVisible(true);
        } else if (context.getTemplate().getDatatype(iri) == null && !vL.getDatatype().equals(XSD.STRING)) {
            datatypeModel.setObject("(" + vL.getDatatype().stringValue().replace(XSD.NAMESPACE, "xsd:") + ")");
            datatypeComp.setVisible(true);
        }

        getTextComponent().setModelObject(v.stringValue());
    }

    /**
     * {@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 with default value.", ex);
            }
        }
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String toString() {
        return "[Literal textfield item]";
    }

}

1	package com.knowledgepixels.nanodash.component;
2
3	import com.knowledgepixels.nanodash.Utils;
4	import com.knowledgepixels.nanodash.template.Template;
5	import com.knowledgepixels.nanodash.template.TemplateContext;
6	import com.knowledgepixels.nanodash.template.UnificationException;
7	import org.apache.wicket.AttributeModifier;
8	import org.apache.wicket.Component;
9	import org.apache.wicket.ajax.AjaxRequestTarget;
10	import org.apache.wicket.ajax.form.OnChangeAjaxBehavior;
11	import org.apache.wicket.markup.html.basic.Label;
12	import org.apache.wicket.markup.html.form.AbstractTextComponent;
13	import org.apache.wicket.markup.html.form.TextField;
14	import org.apache.wicket.markup.html.panel.Panel;
15	import org.apache.wicket.model.IModel;
16	import org.apache.wicket.model.Model;
17	import org.apache.wicket.validation.IValidator;
18	import org.apache.wicket.validation.ValidationError;
19	import org.eclipse.rdf4j.model.IRI;
20	import org.eclipse.rdf4j.model.Literal;
21	import org.eclipse.rdf4j.model.Value;
22	import org.eclipse.rdf4j.model.util.Literals;
23	import org.eclipse.rdf4j.model.vocabulary.XSD;
24	import org.slf4j.Logger;
25	import org.slf4j.LoggerFactory;
26
27	/**
28	* A component that represents a text field for entering literal values.
29	*/
30	public class LiteralTextfieldItem extends Panel implements ContextComponent {
31
32	private TemplateContext context;
33	private AbstractTextComponent<String> textfield;
34	private Label languageComp, datatypeComp;
35	private IModel<String> languageModel, datatypeModel;
36	private final String regex;
37	private final IRI iri;
38	private final static Logger logger = LoggerFactory.getLogger(LiteralTextfieldItem.class);	×
39
40	/**
41	* Constructs a LiteralTextfieldItem with the specified ID, IRI, optional flag, and template context.
42	*
43	* @param id the component ID
44	* @param iri the IRI associated with this text field
45	* @param optional whether this field is optional
46	* @param context the template context containing models and parameters
47	*/
48	public LiteralTextfieldItem(String id, final IRI iri, boolean optional, TemplateContext context) {
49	super(id);	×
50	this.context = context;	×
51	final Template template = context.getTemplate();	×
52	this.iri = iri;	×
53	regex = template.getRegex(iri);	×
54	IModel<String> model = (IModel<String>) context.getComponentModels().get(iri);	×
55	if (model == null) {	×
56	model = Model.of("");	×
57	context.getComponentModels().put(iri, model);	×
58	}
59	String postfix = Utils.getUriPostfix(iri);	×
60	if (context.hasParam(postfix)) {	×
61	model.setObject(context.getParam(postfix));	×
62	}
63	AbstractTextComponent<String> tc = initTextComponent(model);	×
64	if (!optional) tc.setRequired(true);	×
65	if (context.getTemplate().getLabel(iri) != null) {	×
66	tc.add(new AttributeModifier("placeholder", context.getTemplate().getLabel(iri)));	×
67	}
68	tc.add((IValidator<String>) s -> {	×
69	if (regex != null) {	×
70	if (!s.getValue().matches(regex)) {	×
71	s.error(new ValidationError("Value '" + s.getValue() + "' doesn't match the pattern '" + regex + "'"));	×
72	}
73	}
74	});	×
75
76	tc.add(new OnChangeAjaxBehavior() {	×
77	@Override
78	protected void onUpdate(AjaxRequestTarget target) {
79	for (Component c : context.getComponents()) {	×
80	if (c == tc) continue;	×
81	if (c.getDefaultModel() == tc.getModel()) {	×
82	c.modelChanged();	×
83	target.add(c);	×
84	}
85	}	×
86	}	×
87	});
88	context.getComponentModels().put(iri, tc.getModel());	×
89	context.getComponents().add(tc);	×
90	tc.add(new ValueItem.KeepValueAfterRefreshBehavior());	×
91	tc.add(new InvalidityHighlighting());	×
92	add(tc);	×
93
94	languageModel = Model.of("");	×
95	languageComp = new Label("language", languageModel);	×
96	datatypeModel = Model.of("");	×
97	datatypeComp = new Label("datatype", datatypeModel);	×
98	if (template.getLanguageTag(iri) != null) {	×
99	languageModel.setObject("(" + template.getLanguageTag(iri) + ")");	×
100	datatypeComp.setVisible(false);	×
101	} else if (template.getDatatype(iri) != null && !template.getDatatype(iri).equals(XSD.STRING)) {	×
102	datatypeModel.setObject("(" + template.getDatatype(iri).stringValue().replace(XSD.NAMESPACE, "xsd:") + ")");	×
103	languageComp.setVisible(false);	×
104	} else {
105	datatypeComp.setVisible(false);	×
106	languageComp.setVisible(false);	×
107	}
108	add(languageComp);	×
109	add(datatypeComp);	×
110	}	×
111
112	/**
113	* <p>initTextComponent.</p>
114	*
115	* @param model a {@link org.apache.wicket.model.IModel} object
116	* @return a {@link org.apache.wicket.markup.html.form.AbstractTextComponent} object
117	*/
118	protected AbstractTextComponent<String> initTextComponent(IModel<String> model) {
119	textfield = new TextField<>("textfield", model);	×
120	return textfield;	×
121	}
122
123	/**
124	* <p>getTextComponent.</p>
125	*
126	* @return a {@link org.apache.wicket.markup.html.form.AbstractTextComponent} object
127	*/
128	protected AbstractTextComponent<String> getTextComponent() {
129	return textfield;	×
130	}
131
132	/**
133	* {@inheritDoc}
134	*/
135	@Override
136	public void removeFromContext() {
137	context.getComponents().remove(getTextComponent());	×
138	}	×
139
140	/**
141	* {@inheritDoc}
142	*/
143	@Override
144	public boolean isUnifiableWith(Value v) {
145	if (v == null) return true;	×
146	if (v instanceof Literal vL) {	×
147	if (regex != null && !vL.stringValue().matches(regex)) {	×
148	return false;	×
149	}
150	if (getTextComponent().getModelObject().isEmpty()) {	×
151	return true;	×
152	}
153	String languagetag = context.getTemplate().getLanguageTag(iri);	×
154	IRI datatype = context.getTemplate().getDatatype(iri);	×
155	if (languagetag != null) {	×
156	if (!vL.getLanguage().isPresent() \|\| !Literals.normalizeLanguageTag(vL.getLanguage().get()).equals(languagetag)) {	×
157	return false;	×
158	}
159	} else if (datatype != null) {	×
160	if (!vL.getDatatype().equals(datatype)) {	×
161	return false;	×
162	}
163	}
164	return vL.stringValue().equals(getTextComponent().getModelObject());	×
165	}
166	return false;	×
167	}
168
169	/**
170	* {@inheritDoc}
171	*/
172	@Override
173	public void unifyWith(Value v) throws UnificationException {
174	if (v == null) return;	×
175	if (!isUnifiableWith(v)) throw new UnificationException(v.stringValue());	×
176	Literal vL = (Literal) v;	×
177	getTextComponent().setModelObject(vL.stringValue());	×
178	if (context.getTemplate().getLanguageTag(iri) == null && vL.getLanguage().isPresent()) {	×
179	languageModel.setObject("(" + vL.getLanguage().get().toLowerCase() + ")");	×
180	languageComp.setVisible(true);	×
181	} else if (context.getTemplate().getDatatype(iri) == null && !vL.getDatatype().equals(XSD.STRING)) {	×
182	datatypeModel.setObject("(" + vL.getDatatype().stringValue().replace(XSD.NAMESPACE, "xsd:") + ")");	×
183	datatypeComp.setVisible(true);	×
184	}
185
186	getTextComponent().setModelObject(v.stringValue());	×
187	}	×
188
189	/**
190	* {@inheritDoc}
191	*/
192	@Override
193	public void fillFinished() {
194	}	×
195
196	/**
197	* {@inheritDoc}
198	*/
199	@Override
200	public void finalizeValues() {
201	Value defaultValue = context.getTemplate().getDefault(iri);	×
202	if (isUnifiableWith(defaultValue)) {	×
203	try {
204	unifyWith(defaultValue);	×
205	} catch (UnificationException ex) {	×
206	logger.error("Could not unify with default value.", ex);	×
207	}	×
208	}
209	}	×
210
211	/**
212	* {@inheritDoc}
213	*/
214	@Override
215	public String toString() {
216	return "[Literal textfield item]";	×
217	}
218
219	}

knowledgepixels / nanodash / 18653097879

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