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3d graph layout backlinks #305

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Merged
namedgraph merged 1 commit into from
May 31, 2026
+88 −0
Merged

3d graph layout backlinks #305

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1 change: 1 addition & 0 deletions src/main/webapp/static/com/atomgraph/linkeddatahub/xsl/bootstrap/2.3.2/client/block/view.xsl
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Original file line number Diff line number Diff line change
Expand Up @@ -653,6 +653,7 @@ exclude-result-prefixes="#all"
<!-- augment with LDH-specific state -->
<ixsl:set-property name="document" select="$results" object="$graph-state"/>
<ixsl:set-property name="loaded-uris" select="ixsl:new('Array', [])" object="$graph-state"/>
<ixsl:set-property name="loaded-backlink-uris" select="ixsl:new('Array', [])" object="$graph-state"/>
<ixsl:set-property name="{$canvas-id}" select="$graph-state" object="$graphs"/>

<xsl:call-template name="ldh:AppendGraph3DPanels">
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87 changes: 87 additions & 0 deletions src/main/webapp/static/com/atomgraph/linkeddatahub/xsl/bootstrap/2.3.2/client/graph3d.xsl
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Expand Up @@ -14,6 +14,7 @@ xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:map="http://www.w3.org/2005/xpath-functions/map"
xmlns:rdf="&rdf;"
xmlns:rdfs="&rdfs;"
xmlns:sd="http://www.w3.org/ns/sparql-service-description#"
xmlns:ac="&ac;"
xmlns:ldh="&ldh;"
xmlns:bs2="http://graphity.org/xsl/bootstrap/2.3.2"
Expand All @@ -25,6 +26,23 @@ exclude-result-prefixes="#all"
<xsl:include href="normalize-rdfxml.xsl"/>
<xsl:include href="merge-rdfxml.xsl"/>

<xsl:param name="backlinks-graph-string" as="xs:string">
<![CDATA[
DESCRIBE ?subject
WHERE
{ SELECT DISTINCT ?subject
WHERE
{ { ?subject ?p $this }
UNION
{ GRAPH ?g
{ ?subject ?p $this }
}
FILTER isURI(?subject)
}
LIMIT 100
}
]]></xsl:param>

<!-- EVENT HANDLERS -->

<xsl:template match="." mode="ixsl:onForceGraph3DNodeClick">
Expand Down Expand Up @@ -113,6 +131,43 @@ exclude-result-prefixes="#all"
</xsl:if>
</xsl:template>

<xsl:template match="." mode="ixsl:onForceGraph3DNodeRightClick">
<xsl:variable name="event-detail" select="ixsl:get(ixsl:event(), 'detail')"/>
<xsl:variable name="canvas-id" select="ixsl:get($event-detail, 'canvasId')" as="xs:string"/>
<xsl:variable name="node-id" select="ixsl:get($event-detail, 'nodeId')" as="xs:string"/>

<xsl:if test="starts-with($node-id, 'http://') or starts-with($node-id, 'https://')">
<xsl:variable name="graph-state" select="ixsl:get(ixsl:get(ixsl:window(), 'LinkedDataHub.graphs'), $canvas-id)"/>
<xsl:variable name="loaded-backlink-uris" select="ixsl:get($graph-state, 'loaded-backlink-uris', map{ 'convert-result': false() })"/>

<xsl:if test="not(ixsl:call($loaded-backlink-uris, 'includes', [ $node-id ]))">
<xsl:variable name="query-string" select="replace($backlinks-graph-string, '$this', '&lt;' || $node-id || '&gt;', 'q')" as="xs:string"/>
<xsl:variable name="service-uri" select="if (ixsl:contains(ixsl:get(ixsl:window(), 'LinkedDataHub.contents'), '`' || $node-id || '`')) then (if (ixsl:contains(ixsl:get(ixsl:get(ixsl:window(), 'LinkedDataHub.contents'), '`' || $node-id || '`'), 'service-uri')) then ixsl:get(ixsl:get(ixsl:get(ixsl:window(), 'LinkedDataHub.contents'), '`' || $node-id || '`'), 'service-uri') else ()) else ()" as="xs:anyURI?"/>
<xsl:variable name="service" select="if ($service-uri) then key('resources', $service-uri, document(ldh:href(ac:document-uri($service-uri), map{ 'accept': 'application/rdf+xml' }, ()))) else ()" as="element()?"/>
<xsl:variable name="endpoint" select="($service/sd:endpoint/@rdf:resource/xs:anyURI(.), sd:endpoint())[1]" as="xs:anyURI"/>
<xsl:variable name="results-uri" select="ac:build-uri($endpoint, map{ 'query': string($query-string) })" as="xs:anyURI"/>
<xsl:variable name="request-uri" select="ldh:href($results-uri, map{})" as="xs:anyURI"/>

<xsl:variable name="request" select="map{
'method': 'GET',
'href': $request-uri,
'headers': map{ 'Accept': 'application/rdf+xml' },
'pool': 'xml'
}" as="map(*)"/>
<xsl:variable name="context" select="map{
'canvas-id': $canvas-id,
'document-uri': xs:anyURI($node-id),
'graph-state': $graph-state
}" as="map(*)"/>

<ixsl:promise select="
ixsl:http-request($request)
=> ixsl:then(ldh:handle-graph3d-backlinks-response($context, ?))
" on-failure="ldh:promise-failure#1"/>
</xsl:if>
</xsl:if>
</xsl:template>

<xsl:template match="." mode="ixsl:onForceGraph3DNodeHoverOn">
<xsl:variable name="event-detail" select="ixsl:get(ixsl:event(), 'detail')"/>
<xsl:variable name="canvas-id" select="ixsl:get($event-detail, 'canvasId')" as="xs:string"/>
Expand Down Expand Up @@ -284,6 +339,37 @@ exclude-result-prefixes="#all"
</xsl:for-each>
</xsl:function>

<xsl:function name="ldh:handle-graph3d-backlinks-response" ixsl:updating="yes">
<xsl:param name="context" as="map(*)"/>
<xsl:param name="response" as="map(*)"/>

<xsl:variable name="canvas-id" select="$context('canvas-id')" as="xs:string"/>
<xsl:variable name="document-uri" select="$context('document-uri')" as="xs:anyURI"/>
<xsl:variable name="graph-state" select="$context('graph-state')"/>
<xsl:variable name="loaded-backlink-uris" select="ixsl:get($graph-state, 'loaded-backlink-uris', map{ 'convert-result': false() })"/>
<xsl:variable name="current-doc" select="ixsl:get($graph-state, 'document')" as="document-node()"/>
<xsl:variable name="graph-instance" select="ixsl:get($graph-state, 'instance')"/>

<xsl:for-each select="$response?body">
<xsl:variable name="base-uri" select="if (contains($document-uri, '#')) then xs:anyURI(substring-before($document-uri, '#')) else $document-uri" as="xs:anyURI"/>
<xsl:variable name="normalized-rdf" as="document-node()">
<xsl:apply-templates select="." mode="ldh:normalize-rdfxml">
<xsl:with-param name="base-uri" select="$base-uri"/>
</xsl:apply-templates>
</xsl:variable>

<xsl:sequence select="ixsl:call($loaded-backlink-uris, 'push', [ string($document-uri) ])[current-date() lt xs:date('2000-01-01')]"/>

<xsl:call-template name="ldh:UpdateForceGraph3D">
<xsl:with-param name="new-descriptions" select="$normalized-rdf"/>
<xsl:with-param name="current-doc" select="$current-doc"/>
<xsl:with-param name="graph-instance" select="$graph-instance"/>
<xsl:with-param name="graph-state" select="$graph-state"/>
<xsl:with-param name="canvas-id" select="$canvas-id"/>
</xsl:call-template>
</xsl:for-each>
</xsl:function>

<!-- TOOLTIP RENDERING -->

<xsl:template match="rdf:Description" mode="ldh:graph3d-tooltip">
Expand Down Expand Up @@ -391,6 +477,7 @@ exclude-result-prefixes="#all"
</xsl:variable>
<ixsl:set-property name="document" select="$rdf-doc" object="$graph-state"/>
<ixsl:set-property name="loaded-uris" select="ixsl:new('Array', [])" object="$graph-state"/>
<ixsl:set-property name="loaded-backlink-uris" select="ixsl:new('Array', [])" object="$graph-state"/>
<ixsl:set-property name="{$canvas-id}" select="$graph-state" object="$graphs"/>

<xsl:call-template name="ldh:AppendGraph3DPanels">
Expand Down
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