--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2011 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.issues.ui.handler;\r
+\r
+import java.util.ArrayList;\r
+import java.util.Collection;\r
+import java.util.Collections;\r
+import java.util.List;\r
+import java.util.Map;\r
+\r
+import org.eclipse.core.commands.AbstractHandler;\r
+import org.eclipse.core.commands.ExecutionEvent;\r
+import org.eclipse.core.commands.ExecutionException;\r
+import org.eclipse.jface.viewers.ISelection;\r
+import org.eclipse.jface.viewers.ISelectionProvider;\r
+import org.eclipse.ui.IWorkbenchSite;\r
+import org.eclipse.ui.commands.IElementUpdater;\r
+import org.eclipse.ui.handlers.HandlerUtil;\r
+import org.eclipse.ui.menus.UIElement;\r
+import org.simantics.Simantics;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.Session;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.common.utils.TagUtil;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.SelectionHints;\r
+import org.simantics.db.layer0.adapter.ActionFactory;\r
+import org.simantics.db.layer0.adapter.ActionFactory2;\r
+import org.simantics.db.layer0.variable.Variable;\r
+import org.simantics.db.request.Read;\r
+import org.simantics.issues.ontology.IssueResource;\r
+import org.simantics.utils.datastructures.SelectionUtils;\r
+import org.simantics.utils.ui.ErrorLogger;\r
+import org.simantics.utils.ui.ISelectionUtils;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ */\r
+class PreferenceHandler extends AbstractHandler implements IElementUpdater, ActionFactory, ActionFactory2 {\r
+\r
+ protected final String virtualGraphId;\r
+ private final String tagURI;\r
+ private final boolean tag;\r
+\r
+ public PreferenceHandler() {\r
+ this("preferences", null, false);\r
+ }\r
+\r
+ public PreferenceHandler(String tagURI, boolean tag) {\r
+ this("preferences", tagURI, tag);\r
+ }\r
+\r
+ public PreferenceHandler(String virtualGraphId) {\r
+ this(virtualGraphId, null, false);\r
+ }\r
+\r
+ public PreferenceHandler(String virtualGraphId, String tagURI, boolean tag) {\r
+ this.virtualGraphId = virtualGraphId;\r
+ this.tagURI = tagURI;\r
+ this.tag = tag;\r
+ }\r
+\r
+ public ArrayList<Resource> filteredSelection(ReadGraph graph, List<Resource> resources, List<Variable> vars) throws DatabaseException {\r
+ IssueResource ISSUE = IssueResource.getInstance(graph);\r
+ ArrayList<Resource> sel = new ArrayList<Resource>();\r
+ for (Variable v : vars) {\r
+ //System.out.println("var: " + v.getURI(graph));\r
+ Resource r = v.getPossibleRepresents(graph);\r
+ if (r != null && graph.isInstanceOf(r, ISSUE.Issue))\r
+ sel.add(r);\r
+ }\r
+ for (Resource r : resources)\r
+ if (graph.isInstanceOf(r, ISSUE.Issue))\r
+ sel.add(r);\r
+ return sel;\r
+ }\r
+\r
+ @Override\r
+ public Object execute(ExecutionEvent event) throws ExecutionException {\r
+ IWorkbenchSite site = HandlerUtil.getActiveSite(event);\r
+ ISelectionProvider sp = site.getSelectionProvider();\r
+ ISelection selection = sp.getSelection();\r
+ final List<Variable> vars = ISelectionUtils.getPossibleKeys(selection, SelectionHints.KEY_MAIN, Variable.class);\r
+ final List<Resource> resources = ISelectionUtils.getPossibleKeys(selection, SelectionHints.KEY_MAIN, Resource.class);\r
+ execute(vars, resources);\r
+ return null;\r
+ }\r
+\r
+ public void execute(final List<Variable> vars, List<Resource> resources) {\r
+ Session session = Simantics.peekSession();\r
+ if (session == null)\r
+ return;\r
+ new TagUtil(virtualGraphId, tagURI, tag) {\r
+ @Override\r
+ protected void processSelection(WriteGraph graph, List<Resource> resources) throws DatabaseException {\r
+ graph.markUndoPoint();\r
+ ArrayList<Resource> sel = filteredSelection(graph, resources, vars);\r
+ if (!process(graph))\r
+ return;\r
+ super.processSelection(graph, sel);\r
+ }\r
+ }.execute(session, resources);\r
+ }\r
+\r
+ /**\r
+ * @return <code>false</code> to perform no further actions after this\r
+ * method completes.\r
+ */\r
+ protected boolean process(WriteGraph graph) throws DatabaseException {\r
+ return true;\r
+ }\r
+\r
+ @SuppressWarnings("rawtypes")\r
+ @Override\r
+ public void updateElement(UIElement element, Map parameters) {\r
+ Session session = Simantics.peekSession();\r
+ if (session == null)\r
+ return;\r
+ try {\r
+ boolean checked = session.syncRequest(new Read<Boolean>() {\r
+ @Override\r
+ public Boolean perform(ReadGraph graph) throws DatabaseException {\r
+ return isChecked(graph);\r
+ }\r
+ });\r
+ element.setChecked(checked);\r
+ } catch (DatabaseException e) {\r
+ ErrorLogger.defaultLogError(e);\r
+ }\r
+ }\r
+\r
+ protected boolean isChecked(ReadGraph graph) throws DatabaseException {\r
+ return false;\r
+ }\r
+\r
+ @Override\r
+ public Runnable create(Object target) {\r
+\r
+ if(!(target instanceof Variable))\r
+ return null;\r
+\r
+ final Variable issue = (Variable)target;\r
+\r
+ return new Runnable() {\r
+\r
+ @Override\r
+ public void run() {\r
+ execute(Collections.singletonList(issue), Collections.<Resource>emptyList());\r
+ }\r
+\r
+ };\r
+\r
+ }\r
+\r
+ @Override\r
+ public Runnable create(Collection<?> targets) {\r
+ final List<Variable> issues = new ArrayList<Variable>(ISelectionUtils.filterSetSelection(targets, Variable.class));\r
+ if (issues.isEmpty())\r
+ return null;\r
+ return new Runnable() {\r
+ @Override\r
+ public void run() {\r
+ execute(issues, Collections.<Resource>emptyList());\r
+ }\r
+ };\r
+ }\r
+\r
+}\r
Code Review / simantics / platform.git / blobdiff