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Lines changed: 79 additions & 11 deletions

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  • src/main/webapp/static/com/atomgraph/linkeddatahub/xsl/bootstrap/2.3.2/client

‎src/main/webapp/static/com/atomgraph/linkeddatahub/xsl/bootstrap/2.3.2/client/navigation.xsl‎

Lines changed: 79 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -5,6 +5,7 @@
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<!ENTITY ac "https://w3id.org/atomgraph/client#">
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<!ENTITY rdf "http://www.w3.org/1999/02/22-rdf-syntax-ns#">
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<!ENTITY xsd "http://www.w3.org/2001/XMLSchema#">
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<!ENTITY srx "http://www.w3.org/2005/sparql-results#">
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<!ENTITY ldt "https://www.w3.org/ns/ldt#">
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<!ENTITY sd "http://www.w3.org/ns/sparql-service-description#">
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<!ENTITY sp "http://spinrdf.org/sp#">
@@ -23,6 +24,7 @@ xmlns:array="http://www.w3.org/2005/xpath-functions/array"
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xmlns:ac="&ac;"
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xmlns:ldh="&ldh;"
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xmlns:rdf="&rdf;"
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xmlns:srx="&srx;"
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xmlns:ldt="&ldt;"
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xmlns:sd="&sd;"
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xmlns:sp="&sp;"
@@ -32,11 +34,15 @@ extension-element-prefixes="ixsl"
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exclude-result-prefixes="#all"
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>
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<!-- KEYS -->
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<xsl:key name="type-count" match="srx:result" use="srx:binding[@name = 'type']/srx:uri"/>
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<!-- PARAMS -->
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<xsl:param name="class-types-string" as="xs:string">
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<![CDATA[
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SELECT DISTINCT ?type (COUNT(?s) AS ?count) (SAMPLE(?g) AS ?namedGraph)
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SELECT DISTINCT ?type (COUNT(?s) AS ?count)
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WHERE
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{ { ?s a ?type }
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UNION
@@ -478,17 +484,12 @@ LIMIT 10
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</xsl:variable>
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<xsl:variable name="select-json-string" select="ixsl:call(ixsl:get(ixsl:window(), 'JSON'), 'stringify', [ $select-json ])" as="xs:string"/>
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<xsl:variable name="select-xml" select="json-to-xml($select-json-string)" as="document-node()"/>
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<!-- wrap SELECT into a DESCRIBE -->
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<xsl:variable name="query-xml" as="element()">
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<xsl:apply-templates select="$select-xml" mode="ldh:wrap-describe"/>
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</xsl:variable>
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<xsl:variable name="query-json-string" select="xml-to-json($query-xml)" as="xs:string"/>
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<xsl:variable name="query-json-string" select="xml-to-json($select-xml)" as="xs:string"/>
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<xsl:variable name="query-json" select="ixsl:call(ixsl:get(ixsl:window(), 'JSON'), 'parse', [ $query-json-string ])"/>
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<xsl:variable name="query-string" select="ixsl:call(ixsl:call(ixsl:get(ixsl:get(ixsl:window(), 'SPARQLBuilder'), 'SelectBuilder'), 'fromQuery', [ $query-json ]), 'toString', [])" as="xs:string"/>
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<xsl:variable name="results-uri" select="ac:build-uri($endpoint, map{ 'query': $query-string })" as="xs:anyURI"/>
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<xsl:variable name="request-uri" select="ldh:href($results-uri, map{})" as="xs:anyURI"/>
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<xsl:variable name="request" select="map{ 'method': 'GET', 'href': $request-uri, 'headers': map{ 'Accept': 'application/rdf+xml' } }" as="map(*)"/>
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<xsl:variable name="request" select="map{ 'method': 'GET', 'href': $request-uri, 'headers': map{ 'Accept': 'application/sparql-results+xml' } }" as="map(*)"/>
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<xsl:variable name="context" as="map(*)" select="
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map{
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'request': $request,
@@ -501,14 +502,70 @@ LIMIT 10
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on-failure="ldh:promise-failure#1"/>
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</xsl:template>
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<!-- Handle the response from loading classes -->
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<!-- Handle the response from loading classes - extract type URIs and query ns endpoint -->
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<xsl:function name="ldh:class-tree-response" as="map(*)" ixsl:updating="yes">
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<xsl:param name="context" as="map(*)"/>
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<xsl:variable name="response" select="$context('response')" as="map(*)"/>
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<xsl:variable name="container" select="$context('container')" as="element()"/>
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<xsl:message>ldh:class-tree-response</xsl:message>
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<xsl:for-each select="$response">
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<xsl:choose>
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<xsl:when test="?status = 200 and ?media-type = 'application/sparql-results+xml'">
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<xsl:for-each select="?body">
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<xsl:variable name="results" select="." as="document-node()"/>
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<!-- extract type URIs from SPARQL results -->
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<xsl:variable name="type-uris" select="$results/srx:sparql/srx:results/srx:result/srx:binding[@name = 'type']/srx:uri" as="xs:string*"/>
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<xsl:choose>
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<xsl:when test="exists($type-uris)">
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<!-- build DESCRIBE query with VALUES clause -->
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<xsl:variable name="query-string" select="'DESCRIBE ?type WHERE { VALUES ?type { ' || string-join(for $uri in $type-uris return '&lt;' || $uri || '&gt;', ' ') || ' } }'" as="xs:string"/>
525+
<xsl:variable name="ns-uri" select="resolve-uri('ns', ldt:base())" as="xs:anyURI"/>
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<xsl:variable name="results-uri" select="ac:build-uri($ns-uri, map{ 'query': $query-string })" as="xs:anyURI"/>
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<xsl:variable name="request-uri" select="ldh:href($results-uri, map{})" as="xs:anyURI"/>
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<xsl:variable name="request" select="map{ 'method': 'GET', 'href': $request-uri, 'headers': map{ 'Accept': 'application/rdf+xml' } }" as="map(*)"/>
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<xsl:variable name="new-context" as="map(*)" select="
530+
map{
531+
'request': $request,
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'container': $container,
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'type-results': $results
534+
}"/>
535+
<ixsl:promise select="ixsl:http-request($new-context('request')) =>
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ixsl:then(ldh:rethread-response($new-context, ?)) =>
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ixsl:then(ldh:handle-response#1) =>
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ixsl:then(ldh:class-tree-describe-response#1)"
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on-failure="ldh:promise-failure#1"/>
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</xsl:when>
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<xsl:otherwise>
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<xsl:message>No class types found</xsl:message>
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<ixsl:set-style name="cursor" select="'default'" object="ixsl:page()//body"/>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:for-each>
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</xsl:when>
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<xsl:otherwise>
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<xsl:message>
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Error loading class types from sparql endpoint
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</xsl:message>
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<ixsl:set-style name="cursor" select="'default'" object="ixsl:page()//body"/>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:for-each>
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<xsl:sequence select="$context"/>
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</xsl:function>
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<!-- Handle the response from describing class types -->
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<xsl:function name="ldh:class-tree-describe-response" as="map(*)" ixsl:updating="yes">
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<xsl:param name="context" as="map(*)"/>
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<xsl:variable name="response" select="$context('response')" as="map(*)"/>
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<xsl:variable name="container" select="$context('container')" as="element()"/>
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<xsl:variable name="type-results" select="$context('type-results')" as="document-node()"/>
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<xsl:message>ldh:class-tree-describe-response</xsl:message>
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<xsl:for-each select="$response">
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<xsl:choose>
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<xsl:when test="?status = 200 and ?media-type = 'application/rdf+xml'">
@@ -518,7 +575,8 @@ LIMIT 10
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<xsl:for-each select="$container">
519576
<xsl:result-document href="?." method="ixsl:append-content">
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<xsl:apply-templates select="$resources" mode="bs2:ClassTreeListItem">
521-
<xsl:sort select="ac:label(.)"/>
578+
<xsl:with-param name="type-results" select="$type-results" tunnel="yes"/>
579+
<xsl:sort select="xs:integer(key('type-count', @rdf:about, $type-results)/srx:binding[@name = 'count']/srx:literal)" order="descending"/>
522580
</xsl:apply-templates>
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</xsl:result-document>
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</xsl:for-each>
@@ -528,8 +586,9 @@ LIMIT 10
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</xsl:when>
529587
<xsl:otherwise>
530588
<xsl:message>
531-
Error loading class tree
589+
Error loading class descriptions from ns endpoint
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</xsl:message>
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<ixsl:set-style name="cursor" select="'default'" object="ixsl:page()//body"/>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:for-each>
@@ -539,10 +598,19 @@ LIMIT 10
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<!-- Render a class as a list item with expand button -->
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<xsl:template match="*[@rdf:about]" mode="bs2:ClassTreeListItem">
601+
<xsl:param name="type-results" as="document-node()?" tunnel="yes"/>
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<xsl:variable name="type-uri" select="@rdf:about" as="xs:anyURI"/>
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<xsl:variable name="count" select="$type-results/srx:sparql/srx:results/srx:result[srx:binding[@name = 'type']/srx:uri = $type-uri]/srx:binding[@name = 'count']/srx:literal" as="xs:string?"/>
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<li>
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<button class="btn btn-small btn-expand-class"></button>
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<a href="{@rdf:about}" class="btn-logo btn-class">
545608
<xsl:apply-templates select="." mode="ac:label"/>
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<xsl:if test="exists($count)">
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<xsl:text> (</xsl:text>
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<xsl:value-of select="$count"/>
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<xsl:text>)</xsl:text>
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</xsl:if>
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</a>
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</li>
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</xsl:template>

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