X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.ui%2Fsrc%2Forg%2Fsimantics%2Fui%2Fselection%2FWorkbenchSelectionUtils.java;h=ecdda45c24ba654de669a56bf052a9d8255d4e1c;hb=refs%2Fchanges%2F15%2F415%2F4;hp=e30b0e08b6b20240fe8aa149255d8ea290daf5ea;hpb=969bd23cab98a79ca9101af33334000879fb60c5;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.ui/src/org/simantics/ui/selection/WorkbenchSelectionUtils.java b/bundles/org.simantics.ui/src/org/simantics/ui/selection/WorkbenchSelectionUtils.java
index e30b0e08b..ecdda45c2 100644
--- a/bundles/org.simantics.ui/src/org/simantics/ui/selection/WorkbenchSelectionUtils.java
+++ b/bundles/org.simantics.ui/src/org/simantics/ui/selection/WorkbenchSelectionUtils.java
@@ -1,179 +1,174 @@
-package org.simantics.ui.selection;
-
-import java.util.Collection;
-import java.util.List;
-
-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.db.ReadGraph;
-import org.simantics.db.RequestProcessor;
-import org.simantics.db.Resource;
-import org.simantics.db.common.primitiverequest.IsInstanceOf;
-import org.simantics.db.exception.DatabaseException;
-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 {
-		if(selection instanceof WorkbenchSelectionElement) return getPossibleJSON((WorkbenchSelectionElement)selection);
-		WorkbenchSelectionElement element = ISelectionUtils.filterSingleSelection(selection, WorkbenchSelectionElement.class);
-		if(element == null) return null;
-		return getPossibleJSON(element);
-	}
-
-	public static Resource getPossibleResource(Object selection) throws DatabaseException {
-		if(selection instanceof WorkbenchSelectionElement) return getPossibleResource((WorkbenchSelectionElement)selection);
-		WorkbenchSelectionElement element = ISelectionUtils.filterSingleSelection(selection, WorkbenchSelectionElement.class);
-		if(element == null) return null;
-		return getPossibleResource(element);
-	}
-
-	public static Variable getPossibleVariable(Object selection) throws DatabaseException {
-		if(selection instanceof WorkbenchSelectionElement) return getPossibleVariable((WorkbenchSelectionElement)selection);
-		WorkbenchSelectionElement element = ISelectionUtils.filterSingleSelection(selection, WorkbenchSelectionElement.class);
-		if(element == null) return null;
-		return getPossibleVariable(element);
-	}
-
-	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 <T> T getPossibleExplorerInput(Object selection) throws DatabaseException {
-//		if(selection instanceof WorkbenchSelectionElement) return getPossibleExplorerInput((WorkbenchSelectionElement)selection);
-//		WorkbenchSelectionElement element = ISelectionUtils.filterSingleSelection(selection, WorkbenchSelectionElement.class);
-//		if(element == null) return null;
-//		return getPossibleExplorerInput(element);
-//	}
-
-//	public static <T> T getPossibleExplorerColumn(Object selection) throws DatabaseException {
-//		if(selection instanceof WorkbenchSelectionElement) return getPossibleExplorerColumn((WorkbenchSelectionElement)selection);
-//		WorkbenchSelectionElement element = ISelectionUtils.filterSingleSelection(selection, WorkbenchSelectionElement.class);
-//		if(element == null) return null;
-//		return getPossibleExplorerColumn(element);
-//	}
-	
-	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);
-		if(var != null) {
-			String uri = processor.syncRequest(new VariableURI(var));
-			return "{ \"type\":\"Variable\", \"uri\" : \"" + uri + "\" }";
-		}
-		Resource res = getPossibleResource(processor, input);
-		if(res != null) {
-			return "{ type:\"Resource\" }";
-		}
-		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));
-	}
-
-//	@SuppressWarnings("unchecked")
-//	public static <T> T getPossibleExplorerInput(WorkbenchSelectionElement input) throws DatabaseException {
-//		return ((T)getPossibleElement(input, new ExplorerInputContentType()));
-//	}
-
-	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;
-    }	
-    
-	
-}
+package org.simantics.ui.selection;
+
+import java.util.Collection;
+import java.util.List;
+
+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.db.ReadGraph;
+import org.simantics.db.RequestProcessor;
+import org.simantics.db.Resource;
+import org.simantics.db.common.primitiverequest.IsInstanceOf;
+import org.simantics.db.exception.DatabaseException;
+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);
+		if(var != null) {
+			String uri = processor.syncRequest(new VariableURI(var));
+			return "{ \"type\":\"Variable\", \"uri\" : \"" + uri + "\" }";
+		}
+		Resource res = getPossibleResource(processor, input);
+		if(res != null) {
+			return "{ type:\"Resource\" }";
+		}
+		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);
+    }
+
+}