-package org.simantics.ui.selection;\r
-\r
-import java.util.Collection;\r
-import java.util.List;\r
-\r
-import org.eclipse.core.commands.ExecutionEvent;\r
-import org.eclipse.jface.viewers.ISelection;\r
-import org.eclipse.ui.handlers.HandlerUtil;\r
-import org.simantics.Simantics;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.RequestProcessor;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.common.primitiverequest.IsInstanceOf;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.db.layer0.request.VariableURI;\r
-import org.simantics.db.layer0.variable.Variable;\r
-import org.simantics.utils.ui.ISelectionUtils;\r
-\r
-public class WorkbenchSelectionUtils {\r
-\r
- public static Resource getPossibleResource(ExecutionEvent event) throws DatabaseException {\r
- ISelection selection = HandlerUtil.getCurrentSelection(event);\r
- return getPossibleResource(selection);\r
- }\r
- \r
- public static Variable getPossibleVariable(ExecutionEvent event) throws DatabaseException {\r
- ISelection selection = HandlerUtil.getCurrentSelection(event);\r
- return getPossibleVariable(selection);\r
- }\r
- \r
- public static List<WorkbenchSelectionElement> getWorkbenchSelectionElements(ISelection selection) {\r
- return ISelectionUtils.filterSelection(selection, WorkbenchSelectionElement.class);\r
- }\r
-\r
- public static String getPossibleJSON(Object selection) throws DatabaseException {\r
- if(selection instanceof WorkbenchSelectionElement) return getPossibleJSON((WorkbenchSelectionElement)selection);\r
- WorkbenchSelectionElement element = ISelectionUtils.filterSingleSelection(selection, WorkbenchSelectionElement.class);\r
- if(element == null) return null;\r
- return getPossibleJSON(element);\r
- }\r
-\r
- public static Resource getPossibleResource(Object selection) throws DatabaseException {\r
- if(selection instanceof WorkbenchSelectionElement) return getPossibleResource((WorkbenchSelectionElement)selection);\r
- WorkbenchSelectionElement element = ISelectionUtils.filterSingleSelection(selection, WorkbenchSelectionElement.class);\r
- if(element == null) return null;\r
- return getPossibleResource(element);\r
- }\r
-\r
- public static Variable getPossibleVariable(Object selection) throws DatabaseException {\r
- if(selection instanceof WorkbenchSelectionElement) return getPossibleVariable((WorkbenchSelectionElement)selection);\r
- WorkbenchSelectionElement element = ISelectionUtils.filterSingleSelection(selection, WorkbenchSelectionElement.class);\r
- if(element == null) return null;\r
- return getPossibleVariable(element);\r
- }\r
-\r
- public static Variable getPossibleVariable(Object[] selection) throws DatabaseException {\r
- if(selection.length != 1) return null;\r
- if(!(selection[0] instanceof WorkbenchSelectionElement)) return null;\r
- return getPossibleVariable((WorkbenchSelectionElement)selection[0]);\r
- }\r
-\r
- public static <T> T getPossibleElement(Object[] selection, WorkbenchSelectionContentType<T> contentType) throws DatabaseException {\r
- if(selection.length != 1) return null;\r
- if(!(selection[0] instanceof WorkbenchSelectionElement)) return null;\r
- WorkbenchSelectionElement wse = (WorkbenchSelectionElement)selection[0];\r
- return wse.getContent(contentType);\r
- }\r
-\r
-// public static <T> T getPossibleExplorerInput(Object selection) throws DatabaseException {\r
-// if(selection instanceof WorkbenchSelectionElement) return getPossibleExplorerInput((WorkbenchSelectionElement)selection);\r
-// WorkbenchSelectionElement element = ISelectionUtils.filterSingleSelection(selection, WorkbenchSelectionElement.class);\r
-// if(element == null) return null;\r
-// return getPossibleExplorerInput(element);\r
-// }\r
-\r
-// public static <T> T getPossibleExplorerColumn(Object selection) throws DatabaseException {\r
-// if(selection instanceof WorkbenchSelectionElement) return getPossibleExplorerColumn((WorkbenchSelectionElement)selection);\r
-// WorkbenchSelectionElement element = ISelectionUtils.filterSingleSelection(selection, WorkbenchSelectionElement.class);\r
-// if(element == null) return null;\r
-// return getPossibleExplorerColumn(element);\r
-// }\r
- \r
- public static String getPossibleJSON(WorkbenchSelectionElement wse) throws DatabaseException {\r
- return getPossibleJSON(Simantics.getSession(), wse);\r
- }\r
-\r
- public static Resource getPossibleResource(WorkbenchSelectionElement wse) throws DatabaseException {\r
- return getPossibleResource(Simantics.getSession(), wse);\r
- }\r
-\r
- public static Variable getPossibleVariable(WorkbenchSelectionElement wse) throws DatabaseException {\r
- return getPossibleVariable(Simantics.getSession(), wse);\r
- }\r
-\r
- public static Variable getPossibleVariableSCL(ReadGraph graph, WorkbenchSelectionElement wse) throws DatabaseException {\r
- return getPossibleVariable(graph, wse);\r
- }\r
-\r
- public static Resource getPossibleResourceSCL(ReadGraph graph, WorkbenchSelectionElement wse) throws DatabaseException {\r
- return getPossibleResource(graph, wse);\r
- }\r
-\r
- public static String getPossibleJSON(RequestProcessor processor, Object input) throws DatabaseException {\r
- Variable var = getPossibleVariable(processor, input);\r
- if(var != null) {\r
- String uri = processor.syncRequest(new VariableURI(var));\r
- return "{ \"type\":\"Variable\", \"uri\" : \"" + uri + "\" }";\r
- }\r
- Resource res = getPossibleResource(processor, input);\r
- if(res != null) {\r
- return "{ type:\"Resource\" }";\r
- }\r
- return "{ type:\"Unknown\" }";\r
- \r
- }\r
-\r
- public static Resource getPossibleResource(RequestProcessor processor, Object input) throws DatabaseException {\r
- return getPossibleResource(processor, input, null);\r
- }\r
-\r
- public static Resource getPossibleResource(RequestProcessor processor, Object input, Resource type) throws DatabaseException {\r
- if(input instanceof Collection && !((Collection)input).isEmpty()) {\r
- Object element = ((Collection)input).iterator().next();\r
- if(element instanceof Resource)\r
- return (Resource)element;\r
- }\r
- Resource resource = getPossibleElement(input, new AnyResource(processor));\r
- if(resource == null) return resource;\r
- if(type != null) {\r
- if(processor.sync(new IsInstanceOf(resource, type))) return resource;\r
- else return null;\r
- }\r
- return resource;\r
- }\r
-\r
- public static Variable getPossibleVariable(RequestProcessor processor, Object input) throws DatabaseException {\r
- return getPossibleElement(input, new AnyVariable(processor));\r
- }\r
-\r
-// @SuppressWarnings("unchecked")\r
-// public static <T> T getPossibleExplorerInput(WorkbenchSelectionElement input) throws DatabaseException {\r
-// return ((T)getPossibleElement(input, new ExplorerInputContentType()));\r
-// }\r
-\r
- public static <T> T getPossibleElement(Object input, WorkbenchSelectionContentType<T> contentType) {\r
- Object single = getPossibleSingleElement(input);\r
- if(single == null) return null;\r
- if(single instanceof WorkbenchSelectionElement) {\r
- WorkbenchSelectionElement element = (WorkbenchSelectionElement)single;\r
- return (T)element.getContent(contentType);\r
- }\r
- return null;\r
- }\r
- \r
- public static WorkbenchSelectionElement getPossibleSelectionElement(Object input) {\r
- if(input instanceof WorkbenchSelectionElement) return (WorkbenchSelectionElement)input;\r
- if(input instanceof Collection) {\r
- Collection<?> c = (Collection<?>)input;\r
- if(c.size() == 1) {\r
- Object o = c.iterator().next();\r
- if(o instanceof WorkbenchSelectionElement) return (WorkbenchSelectionElement)o;\r
- }\r
- }\r
- return null;\r
- }\r
-\r
- // Internal helpers\r
- \r
- private static Object getPossibleSingleElement(Object input) {\r
- if(input instanceof WorkbenchSelectionElement) return input;\r
- if(input instanceof Collection) {\r
- Collection<?> c = (Collection<?>)input;\r
- if(c.size() == 1) return c.iterator().next();\r
- } \r
- return null;\r
- } \r
- \r
- \r
-}\r
+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 class WorkbenchSelectionUtils {
+
+ public static Resource getPossibleResource(ExecutionEvent event) throws DatabaseException {
+ ISelection selection = HandlerUtil.getCurrentSelection(event);
+ return getPossibleResource(selection);
+ }
+
+ public static Variable getPossibleVariable(ExecutionEvent event) throws DatabaseException {
+ ISelection selection = HandlerUtil.getCurrentSelection(event);
+ return getPossibleVariable(selection);
+ }
+
+ public static List<WorkbenchSelectionElement> getWorkbenchSelectionElements(ISelection selection) {
+ return ISelectionUtils.filterSelection(selection, WorkbenchSelectionElement.class);
+ }
+
+ public static String getPossibleJSON(Object selection) throws DatabaseException {
+ WorkbenchSelectionElement element = getPossibleWorkbenchSelectionElement(selection);
+ return element != null ? getPossibleJSON(element) : null;
+ }
+
+ public static Resource getPossibleResource(Object selection) throws DatabaseException {
+ WorkbenchSelectionElement element = getPossibleWorkbenchSelectionElement(selection);
+ return element != null ? getPossibleResource(element) : null;
+ }
+
+ public static Variable getPossibleVariable(Object selection) throws DatabaseException {
+ WorkbenchSelectionElement element = getPossibleWorkbenchSelectionElement(selection);
+ return element != null ? getPossibleVariable(element) : null;
+ }
+
+ public static Resource getPossibleResourceFromSelection(RequestProcessor processor, Object selection) throws DatabaseException {
+ WorkbenchSelectionElement element = getPossibleWorkbenchSelectionElement(selection);
+ return element != null ? getPossibleResource(processor, element) : null;
+ }
+
+ public static Variable getPossibleVariableFromSelection(RequestProcessor processor, Object selection) throws DatabaseException {
+ WorkbenchSelectionElement element = getPossibleWorkbenchSelectionElement(selection);
+ return element != null ? getPossibleVariable(processor, element) : null;
+ }
+
+ public static Variable getPossibleVariable(Object[] selection) throws DatabaseException {
+ if(selection.length != 1) return null;
+ if(!(selection[0] instanceof WorkbenchSelectionElement)) return null;
+ return getPossibleVariable((WorkbenchSelectionElement)selection[0]);
+ }
+
+ public static <T> T getPossibleElement(Object[] selection, WorkbenchSelectionContentType<T> contentType) throws DatabaseException {
+ if(selection.length != 1) return null;
+ if(!(selection[0] instanceof WorkbenchSelectionElement)) return null;
+ WorkbenchSelectionElement wse = (WorkbenchSelectionElement)selection[0];
+ return wse.getContent(contentType);
+ }
+
+ public static String getPossibleJSON(WorkbenchSelectionElement wse) throws DatabaseException {
+ return getPossibleJSON(Simantics.getSession(), wse);
+ }
+
+ public static Resource getPossibleResource(WorkbenchSelectionElement wse) throws DatabaseException {
+ return getPossibleResource(Simantics.getSession(), wse);
+ }
+
+ public static Variable getPossibleVariable(WorkbenchSelectionElement wse) throws DatabaseException {
+ return getPossibleVariable(Simantics.getSession(), wse);
+ }
+
+ public static Variable getPossibleVariableSCL(ReadGraph graph, WorkbenchSelectionElement wse) throws DatabaseException {
+ return getPossibleVariable(graph, wse);
+ }
+
+ public static Resource getPossibleResourceSCL(ReadGraph graph, WorkbenchSelectionElement wse) throws DatabaseException {
+ return getPossibleResource(graph, wse);
+ }
+
+ 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));
+ 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));
+ }
+ if(res != null) {
+ 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\" }";
+ }
+
+ public static Resource getPossibleResource(RequestProcessor processor, Object input) throws DatabaseException {
+ return getPossibleResource(processor, input, null);
+ }
+
+ public static Resource getPossibleResource(RequestProcessor processor, Object input, Resource type) throws DatabaseException {
+ if(input instanceof Collection && !((Collection<?>)input).isEmpty()) {
+ Object element = ((Collection<?>)input).iterator().next();
+ if(element instanceof Resource)
+ return (Resource)element;
+ }
+ Resource resource = getPossibleElement(input, new AnyResource(processor));
+ if(resource == null) return resource;
+ if(type != null) {
+ if(processor.sync(new IsInstanceOf(resource, type))) return resource;
+ else return null;
+ }
+ return resource;
+ }
+
+ public static Variable getPossibleVariable(RequestProcessor processor, Object input) throws DatabaseException {
+ return getPossibleElement(input, new AnyVariable(processor));
+ }
+
+ public static <T> T getPossibleElement(Object input, WorkbenchSelectionContentType<T> contentType) {
+ Object single = getPossibleSingleElement(input);
+ if(single == null) return null;
+ if(single instanceof WorkbenchSelectionElement) {
+ WorkbenchSelectionElement element = (WorkbenchSelectionElement)single;
+ return (T)element.getContent(contentType);
+ }
+ return null;
+ }
+
+ public static WorkbenchSelectionElement getPossibleSelectionElement(Object input) {
+ if(input instanceof WorkbenchSelectionElement) return (WorkbenchSelectionElement)input;
+ if(input instanceof Collection) {
+ Collection<?> c = (Collection<?>)input;
+ if(c.size() == 1) {
+ Object o = c.iterator().next();
+ if(o instanceof WorkbenchSelectionElement) return (WorkbenchSelectionElement)o;
+ }
+ }
+ return null;
+ }
+
+ // Internal helpers
+
+ private static Object getPossibleSingleElement(Object input) {
+ if(input instanceof WorkbenchSelectionElement) return input;
+ if(input instanceof Collection) {
+ Collection<?> c = (Collection<?>)input;
+ if(c.size() == 1) return c.iterator().next();
+ }
+ return null;
+ }
+
+ private static WorkbenchSelectionElement getPossibleWorkbenchSelectionElement(Object selection) {
+ return getPossibleObject(selection, WorkbenchSelectionElement.class);
+ }
+
+ @SuppressWarnings("unchecked")
+ private static <T> T getPossibleObject(Object selection, Class<T> clazz) {
+ return clazz.isInstance(selection)
+ ? (T) selection
+ : 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