X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.browsing.ui.common%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fcommon%2Fprocessors%2FIsExpandedProcessor.java;fp=bundles%2Forg.simantics.browsing.ui.common%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fcommon%2Fprocessors%2FIsExpandedProcessor.java;h=9477f11ff433b27e3bfe98a27a2d16d2c4a29ed0;hp=0000000000000000000000000000000000000000;hb=969bd23cab98a79ca9101af33334000879fb60c5;hpb=866dba5cd5a3929bbeae85991796acb212338a08

diff --git a/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/processors/IsExpandedProcessor.java b/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/processors/IsExpandedProcessor.java
new file mode 100644
index 000000000..9477f11ff
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+++ b/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/processors/IsExpandedProcessor.java
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+/*******************************************************************************
+ * Copyright (c) 2007, 2010 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.common.processors;
+
+import java.util.Collection;
+
+import org.simantics.browsing.ui.GraphExplorer;
+import org.simantics.browsing.ui.NodeContext;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public interface IsExpandedProcessor {
+
+    /**
+     * @return all expanded nodes in the owner {@link GraphExplorer}
+     */
+    Collection<NodeContext> getExpanded();
+
+    /**
+     * @param context the context to test for expandedness
+     * @return <code>true</code> if expanded
+     */
+    boolean getExpanded(NodeContext context);
+
+    /**
+     * Set internal processor expanded status without notifying the graph
+     * explorer query cache of changes.
+     * 
+     * @param context the context to mark as expanded
+     * @param expanded the new expanded state
+     * @return <code>true</code> if the node's expanded state was changed,
+     *         <code>false</code> otherwise
+     */
+    boolean setExpanded(NodeContext context, boolean expanded);
+
+    /**
+     * Replace the current processor expanded status and notify the graph
+     * explorer query cache of changes.
+     * 
+     * @param context the context to mark as expanded
+     * @param expanded the new expanded state
+     * @return <code>true</code> if the node's expanded state was changed,
+     *         <code>false</code> otherwise
+     */
+    boolean replaceExpanded(NodeContext context, boolean expanded);
+
+}