--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2007, 2012 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.browsing.ui.model;
+
+import org.eclipse.core.runtime.IAdaptable;
+import org.simantics.browsing.ui.BuiltinKeys;
+import org.simantics.browsing.ui.GraphExplorer;
+import org.simantics.browsing.ui.NodeContext;
+import org.simantics.browsing.ui.common.AdaptableHintContext;
+import org.simantics.browsing.ui.model.nodetypes.NodeType;
+import org.simantics.db.Resource;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.request.PossibleVariable;
+import org.simantics.db.layer0.request.PossibleVariableRepresents;
+import org.simantics.db.layer0.variable.Variable;
+import org.simantics.ui.selection.AnyResource;
+import org.simantics.ui.selection.AnyVariable;
+import org.simantics.ui.selection.ExplorerColumnContentType;
+import org.simantics.ui.selection.ExplorerInputContentType;
+import org.simantics.ui.selection.WorkbenchSelectionContentType;
+import org.simantics.ui.selection.WorkbenchSelectionElement;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class StandardWorkbenchSelectionElement extends AdaptableHintContext {
+
+ private static final Logger LOGGER = LoggerFactory.getLogger(StandardWorkbenchSelectionElement.class);
+
+ public static WorkbenchSelectionElement nodeContextToWorkbenchSelectionElement (NodeContext context) {
+ return (new StandardWorkbenchSelectionElement(context));
+ }
+
+ final public WorkbenchSelectionElement wse;
+ final public Object content;
+ final public Resource resource;
+ final public Variable variable;
+ final public Object input;
+
+ private WorkbenchSelectionElement extractWse(Object content) {
+ if(content instanceof NodeContext) {
+ NodeContext context = (NodeContext)content;
+ Object input = context.getConstant(NodeType.TYPE);
+ if(input instanceof NodeType)
+ return ((NodeType)input).getWorkbenchSelectionElement(context);
+ }
+ return null;
+ }
+
+ private Resource extractResource(Object content) {
+ if(content instanceof NodeContext) {
+ NodeContext context = (NodeContext)content;
+ Object input = context.getConstant(BuiltinKeys.INPUT);
+ if(input instanceof Resource) return (Resource)input;
+ if(input instanceof IAdaptable) {
+ Resource var = (Resource)((IAdaptable)input).getAdapter(Resource.class);
+ if(var != null) return var;
+ }
+ }
+ return null;
+ }
+
+ private Variable extractVariable(Object content) {
+ if(content instanceof NodeContext) {
+ NodeContext context = (NodeContext)content;
+ Object input = context.getConstant(BuiltinKeys.INPUT);
+ if(input instanceof Variable) return (Variable)input;
+ if(input instanceof IAdaptable) {
+ Variable var = (Variable)((IAdaptable)input).getAdapter(Variable.class);
+ if(var != null) return var;
+ }
+ }
+ return null;
+ }
+
+ private Object extractInput(Object content) {
+ if(content instanceof NodeContext) {
+ NodeContext context = (NodeContext)content;
+ return context.getConstant(BuiltinKeys.INPUT);
+ }
+ return null;
+ }
+
+ public StandardWorkbenchSelectionElement(Object content) {
+ super(new Key[0]);
+ this.content = content;
+ this.wse = extractWse(content);
+ this.resource = extractResource(content);
+ this.variable = extractVariable(content);
+ this.input = extractInput(content);
+ }
+
+ @SuppressWarnings("unchecked")
+ @Override
+ public <T> T getContent(WorkbenchSelectionContentType<T> contentType) {
+ if (wse != null) {
+ T result = wse.getContent(contentType);
+ if (result != null)
+ return result;
+ }
+
+ if (contentType instanceof AnyResource) {
+ if (resource != null)
+ return (T) resource;
+ if (variable == null)
+ return null;
+ try {
+ return (T) ((AnyResource) contentType).processor.syncRequest(new PossibleVariableRepresents(variable));
+ } catch (DatabaseException e) {
+ LOGGER.error("Unexpected error occurred while resolving Resource from Variable " + variable, e);
+ }
+ }
+ else if (contentType instanceof AnyVariable) {
+ if (variable != null)
+ return (T) variable;
+ if (resource == null)
+ return null;
+ try {
+ return (T) ((AnyVariable) contentType).processor.syncRequest(new PossibleVariable(resource));
+ } catch (DatabaseException e) {
+ LOGGER.error("Unexpected error occurred while resolving Variable from Resource " + resource, e);
+ }
+ } else if (contentType instanceof ExplorerInputContentType) {
+ return (T) input;
+ }
+ return null;
+ }
+
+ @SuppressWarnings("rawtypes")
+ @Override
+ public Object getAdapter(Class adapter) {
+ if(WorkbenchSelectionElement.class == adapter) {
+ return wse;
+ }
+ if(NodeContext.class == adapter) {
+ if(content instanceof NodeContext)
+ return (NodeContext)content;
+ else
+ return null;
+ }
+ return super.getAdapter(adapter);
+ }
+
+}
\ No newline at end of file
Code Review / simantics / platform.git / commitdiff