+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 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.browsing.ui.common.internal;\r
+\r
+import java.util.Deque;\r
+import java.util.List;\r
+\r
+import org.simantics.browsing.ui.DataSource;\r
+import org.simantics.browsing.ui.GraphExplorer;\r
+import org.simantics.browsing.ui.NodeQueryProcessor;\r
+import org.simantics.browsing.ui.PrimitiveQueryProcessor;\r
+import org.simantics.utils.datastructures.disposable.IDisposable;\r
+\r
+/**\r
+ * An internal interface for supporting the implementation of\r
+ * {@link GraphExplorer}. Contains methods for the interaction of GraphExplorer\r
+ * and {@link GENodeQueryManager}, and {@link UpdateRunner}.\r
+ * \r
+ * <p>\r
+ * The main purpose of this context class is to support switching of explorer\r
+ * inputs in a proper way which disposes all the {@link GENodeQueryManager}'s\r
+ * and any resource queries possibly hidden behind them.\r
+ * </p>\r
+ * \r
+ * @author Tuukka Lehtonen\r
+ */\r
+public interface IGraphExplorerContext extends IDisposable {\r
+\r
+ int queryIndent();\r
+ int queryIndent(int offset);\r
+\r
+ IGECache getCache();\r
+\r
+ <T> NodeQueryProcessor<T> getProcessor(Object o);\r
+ <T> PrimitiveQueryProcessor<T> getPrimitiveProcessor(Object o);\r
+ <T> DataSource<T> getDataSource(Class<T> clazz);\r
+\r
+ void update(UIElementReference ref);\r
+\r
+ Object getPropagateLock();\r
+ Object getPropagateListLock();\r
+\r
+ void setPropagating(boolean b);\r
+ boolean isPropagating();\r
+\r
+ void setScheduleList(List<Runnable> list);\r
+ List<Runnable> getScheduleList();\r
+\r
+ Deque<Integer> getActivity();\r
+ void setActivityInt(int i);\r
+ int getActivityInt();\r
+\r
+ void scheduleQueryUpdate(Runnable r);\r
+\r
+}\r