diff dwtx/draw2d/graph/NodeList.d @ 98:95307ad235d9

Added Draw2d code, still work in progress
author Frank Benoit <benoit@tionex.de>
date Sun, 03 Aug 2008 00:52:14 +0200
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwtx/draw2d/graph/NodeList.d	Sun Aug 03 00:52:14 2008 +0200
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+/*******************************************************************************
+ * Copyright (c) 2003, 2005 IBM Corporation and others.
+ * 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:
+ *     IBM Corporation - initial API and implementation
+ * Port to the D programming language:
+ *     Frank Benoit <benoit@tionex.de>
+ *******************************************************************************/
+module dwtx.draw2d.graph.NodeList;
+
+import dwt.dwthelper.utils;
+import dwtx.dwtxhelper.Collection;
+import dwtx.draw2d.graph.Node;
+
+/**
+ * A list containing nodes.
+ * @author hudsonr
+ * @since 2.1.2
+ */
+public class NodeList : ArrayList {
+
+/**
+ * Constructs an empty NodeList.
+ */
+public this() { }
+
+/**
+ * Constructs a NodeList with the elements from the specified list.
+ * @param list the list whose elements are to be added to this list
+ */
+public this(NodeList list) {
+    super(list);
+}
+
+void adjustRank (int delta) {
+    if (delta is 0)
+        return;
+    for (int i = 0; i < size(); i++)
+        getNode(i).rank += delta;
+}
+
+void resetSortValues() {
+    for (int i = 0; i < size(); i++)
+        getNode(i).sortValue = 0.0;
+}
+
+void resetIndices() {
+    for (int i = 0; i < size(); i++)
+        getNode(i).index = 0;
+}
+
+void normalizeRanks() {
+    int minRank = Integer.MAX_VALUE;
+    for (int i = 0; i < size(); i++)
+        minRank = Math.min(minRank, getNode(i).rank);
+    adjustRank(-minRank);
+}
+
+/**
+ * Returns the Node at the given index.
+ * @param index the index
+ * @return the node at a given index
+ */
+public Node getNode(int index) {
+    return cast(Node)super.get(index);
+}
+
+void resetFlags() {
+    for (int i = 0; i < size(); i++) {
+        getNode(i).flag = false;
+    }
+}
+
+}