X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.browsing.ui.model%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fmodel%2Fbrowsecontexts%2FBrowseContexts.java;fp=bundles%2Forg.simantics.browsing.ui.model%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fmodel%2Fbrowsecontexts%2FBrowseContexts.java;h=1daf5dd9fe03731709b62d61eadc8711332869d9;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/browsecontexts/BrowseContexts.java b/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/browsecontexts/BrowseContexts.java
new file mode 100644
index 000000000..1daf5dd9f
--- /dev/null
+++ b/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/browsecontexts/BrowseContexts.java
@@ -0,0 +1,141 @@
+package org.simantics.browsing.ui.model.browsecontexts;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.List;
+
+import org.simantics.browsing.ui.BuiltinKeys;
+import org.simantics.browsing.ui.NodeContext;
+import org.simantics.browsing.ui.common.NodeContextBuilder;
+import org.simantics.browsing.ui.model.actions.ActionBrowseContext;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.RequestProcessor;
+import org.simantics.db.Resource;
+import org.simantics.db.common.procedure.adapter.TransientCacheListener;
+import org.simantics.db.common.request.UnaryRead;
+import org.simantics.db.exception.DatabaseException;
+
+/**
+ * Local utilities for BrowseContext/ActionBrowseContext internal use.
+ * 
+ * @author Tuukka Lehtonen
+ */
+public final class BrowseContexts {
+
+	public static String[] toSortedURIs(ReadGraph graph, Collection<Resource> rs) throws DatabaseException {
+		String[] result = new String[rs.size()];
+		int i = 0;
+		for (Resource r : rs) {
+			String uri = graph.getPossibleURI(r);
+			if (uri != null)
+				result[i++] = uri;
+		}
+		if (i > 1)
+			Arrays.sort(result, 0, i);
+		return i < result.length ? Arrays.copyOf(result, i) : result;
+	}
+
+	/**
+	 * Wrapper for SCL usage because SCL does not know effect <code>RequestProcessor</code>
+	 * 
+	 * @param graph
+	 * @param uris
+	 * @return
+	 * @throws DatabaseException
+	 */
+	public static BrowseContext toBrowseContextG(ReadGraph graph, String[] uris) throws DatabaseException {
+	    return toBrowseContext(graph, uris);
+	}
+	
+	public static BrowseContext toBrowseContext(RequestProcessor processor, String[] uris) throws DatabaseException {
+		return processor.syncRequest(new URIsToBrowseContext(Arrays.asList(uris)), TransientCacheListener.<BrowseContext>instance());
+	}
+
+	   /**
+     * Wrapper for SCL usage because SCL does not know effect <code>RequestProcessor</code>
+     * 
+     * @param graph
+     * @param uris
+     * @return
+     * @throws DatabaseException
+     */
+	public static ActionBrowseContext toActionBrowseContextG(ReadGraph graph, String[] uris) throws DatabaseException {
+	    return toActionBrowseContext(graph, uris);
+	}
+	
+	public static ActionBrowseContext toActionBrowseContext(RequestProcessor processor, String[] uris) throws DatabaseException {
+		return processor.syncRequest(new URIsToActionBrowseContext(Arrays.asList(uris)), TransientCacheListener.<ActionBrowseContext>instance());
+	}
+	
+	public static NodeContext getNodeContextForResource(Resource resource) {
+	    return NodeContextBuilder.buildWithData(BuiltinKeys.INPUT, resource);
+	}
+
+	public static class URIsToBrowseContext extends UnaryRead<List<String>, BrowseContext> {
+
+		public URIsToBrowseContext(List<String> parameter) {
+			super(parameter);
+		}
+
+		@Override
+		public BrowseContext perform(ReadGraph graph) throws DatabaseException {
+			Collection<Resource> resources = graph.syncRequest( new URIsToResources(parameter) );
+			return resources.isEmpty() ? null : graph.syncRequest( new BrowseContextRequest(resources) );
+		}
+
+	}
+
+	public static class URIsToActionBrowseContext extends UnaryRead<List<String>, ActionBrowseContext> {
+
+		public URIsToActionBrowseContext(List<String> parameter) {
+			super(parameter);
+		}
+
+		@Override
+		public ActionBrowseContext perform(ReadGraph graph) throws DatabaseException {
+			Collection<Resource> resources = graph.syncRequest( new URIsToResources(parameter) );
+			return resources.isEmpty() ? null : graph.syncRequest( new ActionBrowseContextRequest(resources) );
+		}
+
+	}
+
+	public static class URIsToResources extends UnaryRead<List<String>, Collection<Resource>> {
+
+		public URIsToResources(List<String> parameter) {
+			super(parameter);
+		}
+
+		@Override
+		public Collection<Resource> perform(ReadGraph graph) throws DatabaseException {
+			Collection<Resource> result = new ArrayList<Resource>(parameter.size());
+			for (String uri : parameter) {
+				Resource r = graph.getPossibleResource(uri);
+				if (r != null)
+					result.add(r);
+			}
+			return result;
+		}
+
+	}
+
+	public static class ResourcesToURIs extends UnaryRead<Collection<Resource>, List<String>> {
+
+		public ResourcesToURIs(Collection<Resource> parameter) {
+			super(parameter);
+		}
+
+		@Override
+		public List<String> perform(ReadGraph graph) throws DatabaseException {
+			List<String> result = new ArrayList<String>(parameter.size());
+			for (Resource r : parameter) {
+				String uri = graph.getPossibleURI(r);
+				if (uri != null)
+					result.add(uri);
+			}
+			return result;
+		}
+
+	}
+
+}