--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/tools/IdealGraphVisualizer/ControlFlow/src/com/sun/hotspot/igv/controlflow/BlockWidget.java	Tue Jun 24 16:00:14 2008 -0700
@@ -0,0 +1,160 @@
+/*
+ * Copyright 2008 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+package com.sun.hotspot.igv.controlflow;
+
+import com.sun.hotspot.igv.data.InputBlock;
+import com.sun.hotspot.igv.layout.Cluster;
+import com.sun.hotspot.igv.layout.Port;
+import com.sun.hotspot.igv.layout.Vertex;
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.Font;
+import java.awt.Point;
+import org.netbeans.api.visual.border.BorderFactory;
+import org.netbeans.api.visual.model.ObjectState;
+import org.netbeans.api.visual.widget.LabelWidget;
+
+/**
+ *
+ * @author Thomas Wuerthinger
+ */
+public class BlockWidget extends LabelWidget implements Vertex {
+
+    public static final Dimension SIZE = new Dimension(20, 20);
+    private InputBlock block;
+    private Port inputSlot;
+    private Port outputSlot;
+    private Cluster cluster;
+    private boolean root;
+    private static final Font font = new Font(Font.SERIF, Font.PLAIN, 12);
+    private static final Font boldFont = font.deriveFont(Font.BOLD);
+    public static final Color NORMAL_FOREGROUND_COLOR = Color.BLACK;
+    public static final Color HOVER_FOREGROUND_COLOR = Color.BLUE;
+
+    /** Creates a new instance of BlockWidget */
+    public BlockWidget(ControlFlowScene scene, InputBlock block) {
+        super(scene);
+        this.block = block;
+        this.setLabel(block.getName());
+        this.setForeground(NORMAL_FOREGROUND_COLOR);
+        this.setBorder(BorderFactory.createLineBorder(1, NORMAL_FOREGROUND_COLOR));
+        this.setMinimumSize(SIZE);
+        this.setMaximumSize(SIZE);
+
+        this.setFont(font);
+
+        final BlockWidget widget = this;
+        inputSlot = new Port() {
+
+            public Point getRelativePosition() {
+                return new Point((int) (SIZE.getWidth() / 2), (int) (SIZE.getHeight() / 2));
+            }
+
+            public Vertex getVertex() {
+                return widget;
+            }
+        };
+
+        outputSlot = new Port() {
+
+            public Point getRelativePosition() {
+                return new Point((int) (SIZE.getWidth() / 2), (int) (SIZE.getHeight() / 2));
+            }
+
+            public Vertex getVertex() {
+                return widget;
+            }
+        };
+    }
+
+    public Port getInputSlot() {
+        return inputSlot;
+    }
+
+    public Port getOutputSlot() {
+        return outputSlot;
+    }
+
+    public InputBlock getBlock() {
+        return block;
+    }
+
+    public Dimension getSize() {
+        return SIZE;
+    }
+
+    public void setPosition(Point p) {
+        this.setPreferredLocation(p);
+    }
+
+    @Override
+    public String toString() {
+        return block.getName();
+    }
+
+    public Point getPosition() {
+        return this.getPreferredLocation();
+    }
+
+    public Cluster getCluster() {
+        return cluster;
+    }
+
+    public boolean isRoot() {
+        return root;
+    }
+
+    public void setCluster(Cluster c) {
+        cluster = c;
+    }
+
+    public void setRoot(boolean b) {
+        root = b;
+    }
+
+    public int compareTo(Vertex o) {
+        return toString().compareTo(o.toString());
+    }
+
+    @Override
+    protected void notifyStateChanged(ObjectState previousState, ObjectState state) {
+        super.notifyStateChanged(previousState, state);
+
+        if (previousState.isHovered() != state.isHovered()) {
+            if (state.isHovered()) {
+                this.setBorder(BorderFactory.createLineBorder(1, HOVER_FOREGROUND_COLOR));
+            } else {
+                this.setBorder(BorderFactory.createLineBorder(1, NORMAL_FOREGROUND_COLOR));
+            }
+        }
+
+        if (previousState.isSelected() != state.isSelected()) {
+            if (state.isSelected()) {
+                this.setFont(boldFont);
+            } else {
+                this.setFont(font);
+            }
+        }
+    }
+}