28789064412

Committed 06 Jul 2026 11:44AM UTC coverage: 28.51% (+0.008%) from 28.502%

Build # 28789064412

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push

github

Committed by

web-flow

Commit Message

Merge pull request #535 from knowledgepixels/feat/navigation-context

feat: persistent navigation context with back-link and post-publish forwarding

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0.0

src/main/java/com/knowledgepixels/nanodash/component/menu/ViewDisplayMenu.java

package com.knowledgepixels.nanodash.component.menu;

import com.knowledgepixels.nanodash.ApiCache;
import com.knowledgepixels.nanodash.NanodashSession;
import com.knowledgepixels.nanodash.NanopubElement;
import com.knowledgepixels.nanodash.NavigationContext;
import com.knowledgepixels.nanodash.QueryResult;
import com.knowledgepixels.nanodash.Utils;
import com.knowledgepixels.nanodash.ViewDisplay;
import com.knowledgepixels.nanodash.component.GuidedChoiceItem;
import com.knowledgepixels.nanodash.domain.AbstractResourceWithProfile;
import com.knowledgepixels.nanodash.domain.IndividualAgent;
import com.knowledgepixels.nanodash.domain.Space;
import com.knowledgepixels.nanodash.page.ExplorePage;
import com.knowledgepixels.nanodash.page.PublishPage;
import com.knowledgepixels.nanodash.page.QueryPage;
import com.knowledgepixels.nanodash.template.TemplateData;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.link.BookmarkablePageLink;
import org.apache.wicket.markup.html.link.ExternalLink;
import org.apache.wicket.markup.html.link.Link;
import org.apache.wicket.markup.repeater.Item;
import org.apache.wicket.markup.repeater.data.DataView;
import org.apache.wicket.markup.repeater.data.ListDataProvider;
import org.apache.wicket.model.Model;
import org.apache.wicket.request.mapper.parameter.PageParameters;
import org.eclipse.rdf4j.model.IRI;
import org.nanopub.extra.services.QueryRef;

import java.util.List;

/**
 * A dropdown menu panel for view displays, replacing the "^" source link.
 * Provides options to show the query, adjust the view display, and see its declaration.
 */
public class ViewDisplayMenu extends BaseDisplayMenu {

    /**
     * Constructs a ViewDisplayMenu.
     *
     * @param id           the Wicket component ID
     * @param viewDisplay  the view display this menu acts on (must have a non-null nanopub)
     * @param queryRef     the query reference used by this view display
     * @param pageResource the page-level resource used to determine whether "adjust" is visible
     * @param viewActions  the view-level actions to show as top entries (may be empty)
     */
    public ViewDisplayMenu(String id, ViewDisplay viewDisplay, QueryRef queryRef, AbstractResourceWithProfile pageResource, List<QueryResult.MenuAction> viewActions) {
        super(id);

        // View-level actions become the top entries of the menu, followed by a
        // separator and then the standard view-display options below.
        DataView<QueryResult.MenuAction> viewActionView = new DataView<>("viewActions", new ListDataProvider<>(viewActions)) {
            @Override
            protected void populateItem(Item<QueryResult.MenuAction> item) {
                QueryResult.MenuAction action = item.getModelObject();
                BookmarkablePageLink<Void> link = new BookmarkablePageLink<>("viewAction", action.pageClass(), action.params());
                // A label that starts with a leading symbol/emoji renders that as the entry icon.
                String iconBody = Utils.menuEntryIconBodyHtml(action.label());
                if (iconBody != null) {
                    link.setBody(Model.of(iconBody)).setEscapeModelStrings(false);
                } else {
                    link.setBody(Model.of(action.label()));
                }
                item.add(link);
            }
        };
        addEntry("viewActions", viewActionView);
        WebMarkupContainer separator = new WebMarkupContainer("separator");
        separator.setVisible(!viewActions.isEmpty());
        addEntry("separator", separator);

        PageParameters showQueryParams = new PageParameters().set("id", queryRef.getQueryId());
        for (var entry : queryRef.getParams().entries()) {
            showQueryParams.add("queryparam_" + entry.getKey(), entry.getValue());
        }
        addEntry("showQuery", new BookmarkablePageLink<Void>("showQuery", QueryPage.class, showQueryParams)
                .add(NavigationContext.pageContextFallback()));

        addEntry("showView", new BookmarkablePageLink<Void>("showView", ExplorePage.class,
                new PageParameters().set("id", viewDisplay.getView().getNanopub().getUri()))
                .add(NavigationContext.pageContextFallback()));

        IRI nanopubId = viewDisplay.getNanopubId();

        // Determine whether "adjust" should be visible for this user on this page
        boolean showAdjust = false;
        NanodashSession session = NanodashSession.get();
        if (pageResource instanceof IndividualAgent ia) {
            showAdjust = ia.isCurrentUser();
        } else if (pageResource instanceof Space s) {
            String pubkeyhash = session.getPubkeyhash();
            showAdjust = pubkeyhash != null && s.isAdminPubkey(pubkeyhash);
        } else if (pageResource != null) {
            Space space = pageResource.getSpace();
            if (space != null) {
                String pubkeyhash = session.getPubkeyhash();
                showAdjust = pubkeyhash != null && space.isAdminPubkey(pubkeyhash);
            }
        }

        // Determine supersede vs derive based on whether this user's pubkey matches the nanopub's.
        // These are only needed when showAdjust is true (i.e. pageResource is non-null).
        String adjustUrl = "";
        String pageResourceId = pageResource != null ? pageResource.getId() : "";
        if (showAdjust) {
            String nanopubPubkey = NanopubElement.get(viewDisplay.getNanopub()).getPubkey();
            String sessionPubkey = session.getPubkeyString();
            String adjustParam = (nanopubPubkey != null && nanopubPubkey.equals(sessionPubkey))
                    ? "supersede" : "derive";
            IRI templateId = TemplateData.get().getTemplateId(viewDisplay.getNanopub());
            String templateUri = templateId != null ? templateId.stringValue()
                    : "http://purl.org/np/RACyK2NjqFgezYLiE8FQu7JI0xY1M1aNQbykeCW8oqXkA";
            adjustUrl = PublishPage.MOUNT_PATH + "?template=" + Utils.urlEncode(templateUri)
                    + "&" + adjustParam + "=" + Utils.urlEncode(nanopubId.stringValue())
                    + "&template-version=latest"
                    + "&context=" + Utils.urlEncode(pageResourceId);
        }
        // "edit"/"deactivate view display" only make sense for an actual view-display
        // assignment (one with a resolved view IRI). Built-in views rendered directly —
        // e.g. a space's About-tab meta-views (roles/members/presets/view-displays) — have
        // no view-display nanopub, so these options are hidden for them.
        boolean isViewDisplay = viewDisplay.getViewIri() != null;
        // Label (with its leading icon) comes from the markup body, so no label arg here.
        ExternalLink adjustLink = new ExternalLink("adjust", adjustUrl);
        adjustLink.setVisible(showAdjust && isViewDisplay);
        addEntry("adjust", adjustLink);

        BookmarkablePageLink<Void> deactivateLink = new BookmarkablePageLink<>("deactivate", PublishPage.class,
                new PageParameters()
                        .set("template", "https://w3id.org/np/RAZ47_4JquvEXk30HYnVeSgFRcQqHtpdibcfBOeqHI2j4")
                        .set("template-version", "latest")
                        .set("param_resource", pageResourceId)
                        .set("param_view", viewDisplay.getViewIri() != null ? viewDisplay.getViewIri().stringValue() : viewDisplay.getView().getId())
                        .set("context", pageResourceId)
                        .set("refresh-upon-publish", pageResourceId));
        deactivateLink.setVisible(showAdjust && isViewDisplay);
        addEntry("deactivate", deactivateLink);

        boolean showAddToOwn = session.getUserIri() != null
                && viewDisplay.getViewIri() != null
                && pageResource instanceof IndividualAgent ia && !ia.isCurrentUser();
        String addToOwnUrl = "";
        if (showAddToOwn) {
            String userIri = session.getUserIri().stringValue();
            String viewIri = viewDisplay.getViewIri().stringValue();
            if (viewDisplay.getView() != null && viewDisplay.getView().getLabel() != null) {
                GuidedChoiceItem.setLabel(viewIri, viewDisplay.getView().getLabel());
            }
            addToOwnUrl = PublishPage.MOUNT_PATH + "?template=" + Utils.urlEncode("https://w3id.org/np/RAQhTCHtfzGCj1YiE1LualWcZjg3thlRiquFWUE14UF-g")
                    + "&template-version=latest"
                    + "&param_resource=" + Utils.urlEncode(userIri)
                    + "&param_view=" + Utils.urlEncode(viewIri)
                    + "&context=" + Utils.urlEncode(userIri)
                    + "&refresh-upon-publish=" + Utils.urlEncode(userIri)
                    + "&param_appliesToResource=" + Utils.urlEncode(userIri);
        }
        // Label (with its leading icon) comes from the markup body, so no label arg here.
        ExternalLink addToOwnLink = new ExternalLink("addToOwn", addToOwnUrl);
        addToOwnLink.setVisible(showAddToOwn);
        addEntry("addToOwn", addToOwnLink);

        Link<Void> refreshLink = new Link<>("refreshNow") {
            @Override
            public void onClick() {
                ApiCache.clearCache(queryRef, 0);
                setResponsePage(getPage().getClass(), getPage().getPageParameters());
            }
        };
        refreshLink.setVisible(session.getUserIri() != null);
        addEntry("refreshNow", refreshLink);

        BookmarkablePageLink<Void> viewDeclarationLink = new BookmarkablePageLink<>("viewDeclaration", ExplorePage.class,
                new PageParameters().set("id", nanopubId));
        viewDeclarationLink.add(NavigationContext.pageContextFallback());
        viewDeclarationLink.setVisible(viewDisplay.getId() != null);
        addEntry("viewDeclaration", viewDeclarationLink);
    }

}

1	package com.knowledgepixels.nanodash.component.menu;
2
3	import com.knowledgepixels.nanodash.ApiCache;
4	import com.knowledgepixels.nanodash.NanodashSession;
5	import com.knowledgepixels.nanodash.NanopubElement;
6	import com.knowledgepixels.nanodash.NavigationContext;
7	import com.knowledgepixels.nanodash.QueryResult;
8	import com.knowledgepixels.nanodash.Utils;
9	import com.knowledgepixels.nanodash.ViewDisplay;
10	import com.knowledgepixels.nanodash.component.GuidedChoiceItem;
11	import com.knowledgepixels.nanodash.domain.AbstractResourceWithProfile;
12	import com.knowledgepixels.nanodash.domain.IndividualAgent;
13	import com.knowledgepixels.nanodash.domain.Space;
14	import com.knowledgepixels.nanodash.page.ExplorePage;
15	import com.knowledgepixels.nanodash.page.PublishPage;
16	import com.knowledgepixels.nanodash.page.QueryPage;
17	import com.knowledgepixels.nanodash.template.TemplateData;
18	import org.apache.wicket.markup.html.WebMarkupContainer;
19	import org.apache.wicket.markup.html.link.BookmarkablePageLink;
20	import org.apache.wicket.markup.html.link.ExternalLink;
21	import org.apache.wicket.markup.html.link.Link;
22	import org.apache.wicket.markup.repeater.Item;
23	import org.apache.wicket.markup.repeater.data.DataView;
24	import org.apache.wicket.markup.repeater.data.ListDataProvider;
25	import org.apache.wicket.model.Model;
26	import org.apache.wicket.request.mapper.parameter.PageParameters;
27	import org.eclipse.rdf4j.model.IRI;
28	import org.nanopub.extra.services.QueryRef;
29
30	import java.util.List;
31
32	/**
33	* A dropdown menu panel for view displays, replacing the "^" source link.
34	* Provides options to show the query, adjust the view display, and see its declaration.
35	*/
36	public class ViewDisplayMenu extends BaseDisplayMenu {
37
38	/**
39	* Constructs a ViewDisplayMenu.
40	*
41	* @param id the Wicket component ID
42	* @param viewDisplay the view display this menu acts on (must have a non-null nanopub)
43	* @param queryRef the query reference used by this view display
44	* @param pageResource the page-level resource used to determine whether "adjust" is visible
45	* @param viewActions the view-level actions to show as top entries (may be empty)
46	*/
47	public ViewDisplayMenu(String id, ViewDisplay viewDisplay, QueryRef queryRef, AbstractResourceWithProfile pageResource, List<QueryResult.MenuAction> viewActions) {
48	super(id);	×
49
50	// View-level actions become the top entries of the menu, followed by a
51	// separator and then the standard view-display options below.
52	DataView<QueryResult.MenuAction> viewActionView = new DataView<>("viewActions", new ListDataProvider<>(viewActions)) {	×
53	@Override
54	protected void populateItem(Item<QueryResult.MenuAction> item) {
55	QueryResult.MenuAction action = item.getModelObject();	×
56	BookmarkablePageLink<Void> link = new BookmarkablePageLink<>("viewAction", action.pageClass(), action.params());	×
57	// A label that starts with a leading symbol/emoji renders that as the entry icon.
58	String iconBody = Utils.menuEntryIconBodyHtml(action.label());	×
59	if (iconBody != null) {	×
60	link.setBody(Model.of(iconBody)).setEscapeModelStrings(false);	×
61	} else {
62	link.setBody(Model.of(action.label()));	×
63	}
64	item.add(link);	×
65	}	×
66	};
67	addEntry("viewActions", viewActionView);	×
68	WebMarkupContainer separator = new WebMarkupContainer("separator");	×
69	separator.setVisible(!viewActions.isEmpty());	×
70	addEntry("separator", separator);	×
71
72	PageParameters showQueryParams = new PageParameters().set("id", queryRef.getQueryId());	×
73	for (var entry : queryRef.getParams().entries()) {	×
74	showQueryParams.add("queryparam_" + entry.getKey(), entry.getValue());	×
75	}	×
76	addEntry("showQuery", new BookmarkablePageLink<Void>("showQuery", QueryPage.class, showQueryParams)	×
77	.add(NavigationContext.pageContextFallback()));	×
78
79	addEntry("showView", new BookmarkablePageLink<Void>("showView", ExplorePage.class,	×
80	new PageParameters().set("id", viewDisplay.getView().getNanopub().getUri()))	×
81	.add(NavigationContext.pageContextFallback()));	×
82
83	IRI nanopubId = viewDisplay.getNanopubId();	×
84
85	// Determine whether "adjust" should be visible for this user on this page
86	boolean showAdjust = false;	×
87	NanodashSession session = NanodashSession.get();	×
88	if (pageResource instanceof IndividualAgent ia) {	×
89	showAdjust = ia.isCurrentUser();	×
90	} else if (pageResource instanceof Space s) {	×
91	String pubkeyhash = session.getPubkeyhash();	×
92	showAdjust = pubkeyhash != null && s.isAdminPubkey(pubkeyhash);	×
93	} else if (pageResource != null) {	×
94	Space space = pageResource.getSpace();	×
95	if (space != null) {	×
96	String pubkeyhash = session.getPubkeyhash();	×
97	showAdjust = pubkeyhash != null && space.isAdminPubkey(pubkeyhash);	×
98	}
99	}
100
101	// Determine supersede vs derive based on whether this user's pubkey matches the nanopub's.
102	// These are only needed when showAdjust is true (i.e. pageResource is non-null).
103	String adjustUrl = "";	×
104	String pageResourceId = pageResource != null ? pageResource.getId() : "";	×
105	if (showAdjust) {	×
106	String nanopubPubkey = NanopubElement.get(viewDisplay.getNanopub()).getPubkey();	×
107	String sessionPubkey = session.getPubkeyString();	×
108	String adjustParam = (nanopubPubkey != null && nanopubPubkey.equals(sessionPubkey))	×
109	? "supersede" : "derive";	×
110	IRI templateId = TemplateData.get().getTemplateId(viewDisplay.getNanopub());	×
111	String templateUri = templateId != null ? templateId.stringValue()	×
112	: "http://purl.org/np/RACyK2NjqFgezYLiE8FQu7JI0xY1M1aNQbykeCW8oqXkA";	×
113	adjustUrl = PublishPage.MOUNT_PATH + "?template=" + Utils.urlEncode(templateUri)	×
114	+ "&" + adjustParam + "=" + Utils.urlEncode(nanopubId.stringValue())	×
115	+ "&template-version=latest"
116	+ "&context=" + Utils.urlEncode(pageResourceId);	×
117	}
118	// "edit"/"deactivate view display" only make sense for an actual view-display
119	// assignment (one with a resolved view IRI). Built-in views rendered directly —
120	// e.g. a space's About-tab meta-views (roles/members/presets/view-displays) — have
121	// no view-display nanopub, so these options are hidden for them.
122	boolean isViewDisplay = viewDisplay.getViewIri() != null;	×
123	// Label (with its leading icon) comes from the markup body, so no label arg here.
124	ExternalLink adjustLink = new ExternalLink("adjust", adjustUrl);	×
125	adjustLink.setVisible(showAdjust && isViewDisplay);	×
126	addEntry("adjust", adjustLink);	×
127
128	BookmarkablePageLink<Void> deactivateLink = new BookmarkablePageLink<>("deactivate", PublishPage.class,	×
129	new PageParameters()
130	.set("template", "https://w3id.org/np/RAZ47_4JquvEXk30HYnVeSgFRcQqHtpdibcfBOeqHI2j4")	×
131	.set("template-version", "latest")	×
132	.set("param_resource", pageResourceId)	×
133	.set("param_view", viewDisplay.getViewIri() != null ? viewDisplay.getViewIri().stringValue() : viewDisplay.getView().getId())	×
134	.set("context", pageResourceId)	×
135	.set("refresh-upon-publish", pageResourceId));	×
136	deactivateLink.setVisible(showAdjust && isViewDisplay);	×
137	addEntry("deactivate", deactivateLink);	×
138
139	boolean showAddToOwn = session.getUserIri() != null	×
140	&& viewDisplay.getViewIri() != null	×
141	&& pageResource instanceof IndividualAgent ia && !ia.isCurrentUser();	×
142	String addToOwnUrl = "";	×
143	if (showAddToOwn) {	×
144	String userIri = session.getUserIri().stringValue();	×
145	String viewIri = viewDisplay.getViewIri().stringValue();	×
146	if (viewDisplay.getView() != null && viewDisplay.getView().getLabel() != null) {	×
147	GuidedChoiceItem.setLabel(viewIri, viewDisplay.getView().getLabel());	×
148	}
149	addToOwnUrl = PublishPage.MOUNT_PATH + "?template=" + Utils.urlEncode("https://w3id.org/np/RAQhTCHtfzGCj1YiE1LualWcZjg3thlRiquFWUE14UF-g")	×
150	+ "&template-version=latest"
151	+ "&param_resource=" + Utils.urlEncode(userIri)	×
152	+ "&param_view=" + Utils.urlEncode(viewIri)	×
153	+ "&context=" + Utils.urlEncode(userIri)	×
154	+ "&refresh-upon-publish=" + Utils.urlEncode(userIri)	×
155	+ "&param_appliesToResource=" + Utils.urlEncode(userIri);	×
156	}
157	// Label (with its leading icon) comes from the markup body, so no label arg here.
158	ExternalLink addToOwnLink = new ExternalLink("addToOwn", addToOwnUrl);	×
159	addToOwnLink.setVisible(showAddToOwn);	×
160	addEntry("addToOwn", addToOwnLink);	×
161
162	Link<Void> refreshLink = new Link<>("refreshNow") {	×
163	@Override
164	public void onClick() {
165	ApiCache.clearCache(queryRef, 0);	×
166	setResponsePage(getPage().getClass(), getPage().getPageParameters());	×
167	}	×
168	};
169	refreshLink.setVisible(session.getUserIri() != null);	×
170	addEntry("refreshNow", refreshLink);	×
171
172	BookmarkablePageLink<Void> viewDeclarationLink = new BookmarkablePageLink<>("viewDeclaration", ExplorePage.class,	×
173	new PageParameters().set("id", nanopubId));	×
174	viewDeclarationLink.add(NavigationContext.pageContextFallback());	×
175	viewDeclarationLink.setVisible(viewDisplay.getId() != null);	×
176	addEntry("viewDeclaration", viewDeclarationLink);	×
177	}	×
178
179	}

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