-package org.simantics.modeling.ui;\r
-\r
-import java.util.Arrays;\r
-import java.util.Comparator;\r
-\r
-import org.simantics.browsing.ui.BuiltinKeys;\r
-import org.simantics.browsing.ui.GraphExplorer;\r
-import org.simantics.browsing.ui.NodeContext;\r
-import org.simantics.browsing.ui.PrimitiveQueryProcessor;\r
-import org.simantics.browsing.ui.common.processors.IsExpandedProcessor;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.db.layer0.SelectionHints;\r
-import org.simantics.ui.DoubleClickEvent;\r
-import org.simantics.ui.IDoubleClickAction;\r
-import org.simantics.ui.workbench.action.IWorkbenchActionHints;\r
-import org.simantics.ui.workbench.editor.EditorAdapter;\r
-import org.simantics.ui.workbench.editor.EditorRegistry;\r
-import org.simantics.utils.ui.ISelectionUtils;\r
-import org.simantics.utils.ui.action.IPriorityAction;\r
-import org.simantics.utils.ui.action.PriorityAction;\r
-\r
-/**\r
- * @author Tuukka Lehtonen\r
- */\r
-public class ExpandNodeHandler implements IDoubleClickAction {\r
-\r
- @Override\r
- public void doubleClickEvent(DoubleClickEvent e) throws DatabaseException {\r
- ReadGraph g = e.getGraph();\r
- final NodeContext node = ISelectionUtils.getSinglePossibleKey(e.getResource(), SelectionHints.KEY_MAIN, NodeContext.class);\r
- if (node == null)\r
- return;\r
-\r
- Object widget = e.getHintContext().getHint(IWorkbenchActionHints.KEY_WIDGET);\r
- if (!(widget instanceof GraphExplorer))\r
- return;\r
- final GraphExplorer explorer = (GraphExplorer) widget;\r
-\r
- EditorAdapter[] editorAdapters = EditorRegistry.getInstance().getAdaptersFor(g, node);\r
-\r
- Arrays.sort(editorAdapters, new Comparator<EditorAdapter>() {\r
- @Override\r
- public int compare(EditorAdapter o1, EditorAdapter o2) {\r
- // Sort in descending priority order\r
- return -(o1.getPriority() - o2.getPriority());\r
- }\r
- });\r
-\r
- // If editor selection is unanimous, use the editor. Otherwise just expand/collapse the clicked node.\r
- if (editorAdapters.length == 0) {\r
- e.add(expandAction(explorer, node));\r
- e.consume();\r
- } else if (editorAdapters.length > 1 && editorAdapters[0].getPriority() == editorAdapters[1].getPriority()) {\r
- e.add(expandAction(explorer, node));\r
- e.consume();\r
- }\r
- }\r
-\r
- private IPriorityAction expandAction(final GraphExplorer explorer, final NodeContext node) {\r
- return new PriorityAction(100) {\r
- @Override\r
- public void run() {\r
- PrimitiveQueryProcessor<?> pqp = explorer.getPrimitiveProcessor(BuiltinKeys.IS_EXPANDED);\r
- if (pqp instanceof IsExpandedProcessor) {\r
- IsExpandedProcessor iep = (IsExpandedProcessor) pqp;\r
- boolean expanded = iep.getExpanded(node);\r
- iep.replaceExpanded(node, !expanded);\r
- }\r
- }\r
- };\r
- }\r
-\r
-}\r
+package org.simantics.modeling.ui;
+
+import java.util.Arrays;
+
+import org.simantics.browsing.ui.BuiltinKeys;
+import org.simantics.browsing.ui.GraphExplorer;
+import org.simantics.browsing.ui.NodeContext;
+import org.simantics.browsing.ui.PrimitiveQueryProcessor;
+import org.simantics.browsing.ui.common.processors.IsExpandedProcessor;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.SelectionHints;
+import org.simantics.ui.DoubleClickEvent;
+import org.simantics.ui.IDoubleClickAction;
+import org.simantics.ui.workbench.action.IWorkbenchActionHints;
+import org.simantics.ui.workbench.editor.EditorAdapter;
+import org.simantics.ui.workbench.editor.EditorRegistry;
+import org.simantics.utils.ui.ISelectionUtils;
+import org.simantics.utils.ui.action.IPriorityAction;
+import org.simantics.utils.ui.action.PriorityAction;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class ExpandNodeHandler implements IDoubleClickAction {
+
+ @Override
+ public void doubleClickEvent(DoubleClickEvent e) throws DatabaseException {
+ Object selection = e.getResource();
+ NodeContext node = ISelectionUtils.getSinglePossibleKey(selection, SelectionHints.KEY_MAIN, NodeContext.class);
+ if (node == null)
+ return;
+
+ Object widget = e.getHintContext().getHint(IWorkbenchActionHints.KEY_WIDGET);
+ if (!(widget instanceof GraphExplorer))
+ return;
+ GraphExplorer explorer = (GraphExplorer) widget;
+
+ // Get adapters in descending priority order
+ EditorAdapter[] editorAdapters = EditorRegistry.getInstance().getAdaptersFor(e.getGraph(), selection);
+ if (editorAdapters.length > 1)
+ Arrays.sort(editorAdapters, (o1,o2) -> -(o1.getPriority() - o2.getPriority()));
+
+ // If editor selection is unanimous, use the editor. Otherwise just expand/collapse the clicked node.
+ if (editorAdapters.length == 0) {
+ e.add(expandAction(explorer, node));
+ e.consume();
+ } else if (editorAdapters.length > 1 && editorAdapters[0].getPriority() == editorAdapters[1].getPriority()) {
+ e.add(expandAction(explorer, node));
+ e.consume();
+ }
+ }
+
+ private IPriorityAction expandAction(GraphExplorer explorer, NodeContext node) {
+ return new PriorityAction(100) {
+ @Override
+ public void run() {
+ PrimitiveQueryProcessor<?> pqp = explorer.getPrimitiveProcessor(BuiltinKeys.IS_EXPANDED);
+ if (pqp instanceof IsExpandedProcessor) {
+ IsExpandedProcessor iep = (IsExpandedProcessor) pqp;
+ boolean expanded = iep.getExpanded(node);
+ iep.replaceExpanded(node, !expanded);
+ }
+ }
+ };
+ }
+
+}