package org.simantics.ui.selection;
+import java.util.ArrayList;
import java.util.Collection;
+import java.util.Collections;
import java.util.List;
+import java.util.Set;
+import java.util.stream.Collectors;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.ui.handlers.HandlerUtil;
import org.simantics.Simantics;
+import org.simantics.databoard.type.Datatype;
import org.simantics.db.ReadGraph;
import org.simantics.db.RequestProcessor;
import org.simantics.db.Resource;
import org.simantics.db.common.primitiverequest.IsInstanceOf;
+import org.simantics.db.common.primitiverequest.Supertypes;
+import org.simantics.db.common.primitiverequest.Types;
import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.request.PossibleGUID;
+import org.simantics.db.layer0.request.PossibleURI;
+import org.simantics.db.layer0.request.PossibleVariableGUID;
+import org.simantics.db.layer0.request.PossibleVariableRepresents;
+import org.simantics.db.layer0.request.VariableRead;
import org.simantics.db.layer0.request.VariableURI;
import org.simantics.db.layer0.variable.Variable;
import org.simantics.utils.ui.ISelectionUtils;
public static String getPossibleJSON(RequestProcessor processor, Object input) throws DatabaseException {
Variable var = getPossibleVariable(processor, input);
+ Resource res = getPossibleResource(processor, input);
+ String typesStr = getTypeResourceString(processor, res, var);
if(var != null) {
String uri = processor.syncRequest(new VariableURI(var));
- return "{ \"type\":\"Variable\", \"uri\" : \"" + uri + "\" }";
+ String guid = processor.syncRequest(new PossibleVariableGUID(var));
+
+ Set<String> classifications = processor.syncRequest(new VariableRead<Set<String>>(var) {
+ @Override
+ public Set<String> perform(ReadGraph graph) throws DatabaseException {
+ return var.getClassifications(graph);
+ }
+ });
+ String classificationsStr = toJSONStringArray(new ArrayList<>(classifications));
+
+ Datatype datatype = processor.syncRequest(new VariableRead<Datatype>(var) {
+ @Override
+ public Datatype perform(ReadGraph graph) throws DatabaseException {
+ return var.getPossibleDatatype(graph);
+ }
+ });
+
+ return toJSONObjectString(
+ "type", "\"Variable\"",
+ "uri", safeQuotedString(uri),
+ "guid", safeQuotedString(guid),
+ "resourceId", res == null ? "" : Long.toString(res.getResourceId()),
+ "typeResources", typesStr,
+ "classifications", classificationsStr,
+ "datatype", safeQuotedString(datatype != null ? datatype.getClass().getName() : null));
}
- Resource res = getPossibleResource(processor, input);
if(res != null) {
- return "{ type:\"Resource\" }";
+ String uri = processor.syncRequest(new PossibleURI(res));
+ String guid = processor.syncRequest(new PossibleGUID(res));
+ return toJSONObjectString(
+ "type", "\"Resource\"",
+ "uri", safeQuotedString(uri),
+ "guid", safeQuotedString(guid),
+ "resourceId", Long.toString(res.getResourceId()),
+ "typeResources", typesStr);
}
- return "{ type:\"Unknown\" }";
-
+ return "{ \"type\": \"Unknown\" }";
}
public static Resource getPossibleResource(RequestProcessor processor, Object input) throws DatabaseException {
: ISelectionUtils.filterSingleSelection(selection, clazz);
}
+ private static class PossibleVariableType extends VariableRead<Resource> {
+
+ public PossibleVariableType(Variable var) {
+ super(var);
+ }
+
+ @Override
+ public Resource perform(ReadGraph graph) throws DatabaseException {
+ return variable.getPossibleType(graph);
+ }
+
+ }
+
+ private static String toJSONObjectString(String... keyValuePairs) {
+ int len = keyValuePairs.length;
+ assert (len & 1) == 0;
+ StringBuilder sb = new StringBuilder(128);
+ sb.append("{ ");
+ int entryCount = 0;
+ for (int i = 0; i < len; i += 2) {
+ String value = keyValuePairs[i+1];
+ if (value != null && !value.isEmpty()) {
+ if (entryCount > 0)
+ sb.append(", ");
+ sb.append("\"").append(keyValuePairs[i]).append("\": ").append(value);
+ ++entryCount;
+ }
+ }
+ sb.append(" }");
+ return sb.toString();
+ }
+
+ private static String escapeQuotes(String s) {
+ return s.indexOf('"') >= 0 ? s.replaceAll("\"", "\\\\\"") : s;
+ }
+
+ private static String safeQuotedString(String s) {
+ return s != null && !s.isEmpty() ? "\"" + escapeQuotes(s) + "\"" : "";
+ }
+
+ private static String toJSONStringArray(List<String> strings) throws DatabaseException {
+ // Sort the type strings to produce stable results
+ if (strings.isEmpty())
+ return "";
+ return strings.stream()
+ .map(WorkbenchSelectionUtils::escapeQuotes)
+ .sorted()
+ .collect(Collectors.joining("\", \"", "[\"", "\"]"));
+ }
+
+ private static String getTypeResourceString(RequestProcessor processor, Resource r, Variable v) throws DatabaseException {
+ return toJSONStringArray(
+ toPossibleURIs(processor,
+ getTypes(processor, r, v)));
+ }
+
+ private static Set<Resource> getTypes(RequestProcessor processor, Resource r, Variable v) throws DatabaseException {
+ if (r == null && v != null)
+ r = processor.syncRequest(new PossibleVariableRepresents(v));
+ if (r != null)
+ return processor.syncRequest(new Types(r));
+ r = v != null ? processor.syncRequest(new PossibleVariableType(v)) : null;
+ return r != null ? processor.syncRequest(new Supertypes(r)) : Collections.emptySet();
+ }
+
+ private static List<String> toPossibleURIs(RequestProcessor processor, Collection<Resource> resources) throws DatabaseException {
+ if (resources.isEmpty())
+ return Collections.emptyList();
+ List<String> result = new ArrayList<>(resources.size());
+ for (Resource r : resources) {
+ String uri = processor.syncRequest(new PossibleURI(r));
+ if (uri != null)
+ result.add(uri);
+ }
+ return result;
+ }
+
}
Code Review / simantics / platform.git / blobdiff