X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.modeling%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2Frequests%2FCollectionResult.java;fp=bundles%2Forg.simantics.modeling%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2Frequests%2FCollectionResult.java;h=844524ac167a6e5097a9e07bb86d54cc4b3636bd;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.modeling/src/org/simantics/modeling/requests/CollectionResult.java b/bundles/org.simantics.modeling/src/org/simantics/modeling/requests/CollectionResult.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.modeling.requests;
+
+import java.util.Collection;
+import java.util.Comparator;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.Vector;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentSkipListSet;
+
+import org.eclipse.jface.viewers.IFilter;
+import org.simantics.db.Resource;
+import org.simantics.scl.runtime.function.Function1;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class CollectionResult {
+
+    public class DiagramFilter implements IFilter {
+
+        private final IFilter proxy;
+
+        public DiagramFilter(IFilter proxy) {
+            this.proxy = proxy;
+        }
+
+        @Override
+        public boolean select(Object node) {
+            return diagramSet.contains(node) && (proxy == null || proxy.select(node));
+        }
+
+    }
+
+    final public Set<Node>           roots       = new ConcurrentSkipListSet<Node>();
+    final private Set<Node>          diagramSet  = new ConcurrentSkipListSet<Node>();
+    final public List<Node>          diagramList = new Vector<Node>();
+    final public Map<Resource, Node> diagrams    = new ConcurrentHashMap<Resource, Node>();
+
+    public void addDiagram(Resource r, Node n) {
+        diagramList.add(n);
+        diagrams.put(r, n);
+        diagramSet.add(n);
+    }
+
+    public Collection<Node> breadthFirstFlatten() {
+        return breadthFirstFlatten(null);
+    }
+
+    public Collection<Node> breadthFirstFlatten(IFilter filter) {
+        return Nodes.breadthFirstFlatten(new DiagramFilter(filter), roots);
+    }
+
+    public Collection<Node> depthFirstFlatten() {
+        return depthFirstFlatten(null, null);
+    }
+
+    public Collection<Node> depthFirstFlatten(IFilter filter, Comparator<? super Node> comparator) {
+        return Nodes.depthFirstFlatten(new DiagramFilter(filter), roots, comparator);
+    }
+
+    /**
+     * @param f
+     *            function that takes the walked Node as argument and returns a
+     *            boolean to describe whether to continue the walk or cancel the
+     *            walk. The returned value cannot be <code>null</code>.
+     * @return <code>true</code> if the walk was completed or <code>false</code>
+     *         if the walk was cancelled
+     */
+    public boolean walkTree(Function1<Node, Boolean> f) {
+        return Nodes.walkTree(f, roots);
+   }
+
+}
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