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annotate src/share/tools/IdealGraphVisualizer/ControlFlow/src/com/sun/hotspot/igv/controlflow/BlockWidget.java @ 21146:33ff6b03fad1

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add support for control flow window and basic block view on graphs Contributed-by: Michael Haupt <michael.haupt@oracle.com> Contributed-by: Peter Hofer <peter.hofer@jku.at> Contributed-by: Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
author Michael Haupt <michael.haupt@oracle.com>
date Wed, 29 Apr 2015 08:31:28 +0200
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21146
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1 /*
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2 * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24 package com.sun.hotspot.igv.controlflow;
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25
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26 import com.sun.hotspot.igv.data.InputBlock;
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27 import com.sun.hotspot.igv.layout.Cluster;
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28 import com.sun.hotspot.igv.layout.Port;
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29 import com.sun.hotspot.igv.layout.Vertex;
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30 import java.awt.Color;
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31 import java.awt.Dimension;
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32 import java.awt.Font;
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33 import java.awt.Point;
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34 import java.awt.Rectangle;
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35 import org.netbeans.api.visual.border.BorderFactory;
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36 import org.netbeans.api.visual.model.ObjectState;
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37 import org.netbeans.api.visual.widget.LabelWidget;
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38
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39 /**
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40 *
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41 * @author Thomas Wuerthinger
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42 */
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43 public class BlockWidget extends LabelWidget implements Vertex {
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44
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45 public static final Dimension MIN_SIZE = new Dimension(20, 20);
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46 private InputBlock block;
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47 private Port inputSlot;
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48 private Port outputSlot;
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49 private Cluster cluster;
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50 private boolean root;
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51 private static final Font font = new Font(Font.SANS_SERIF, Font.PLAIN, 12);
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52 private static final Font boldFont = font.deriveFont(Font.BOLD);
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53 public static final Color NORMAL_FOREGROUND_COLOR = Color.BLACK;
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54 public static final Color HOVER_FOREGROUND_COLOR = Color.BLUE;
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55
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56 /** Creates a new instance of BlockWidget */
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57 public BlockWidget(ControlFlowScene scene, InputBlock block) {
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58 super(scene);
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59 this.block = block;
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60 this.setLabel(block.getName());
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61 this.setForeground(NORMAL_FOREGROUND_COLOR);
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62 this.setBorder(BorderFactory.createLineBorder(1, NORMAL_FOREGROUND_COLOR));
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63 this.setMinimumSize(MIN_SIZE);
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64
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65 this.setFont(font);
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66 this.setAlignment(Alignment.CENTER);
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67
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68 final BlockWidget widget = this;
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69 inputSlot = new Port() {
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70 public Point getRelativePosition() {
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71 return new Point((int) (getSize().getWidth() / 2), (int) (getSize().getHeight() / 2));
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72 }
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73 public Vertex getVertex() {
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74 return widget;
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75 }
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76 };
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77 outputSlot = new Port() {
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78 public Point getRelativePosition() {
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79 return new Point((int) (getSize().getWidth() / 2), (int) (getSize().getHeight() / 2));
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80 }
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81 public Vertex getVertex() {
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82 return widget;
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83 }
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84 };
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85 }
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86
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87 public Port getInputSlot() {
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88 return inputSlot;
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89 }
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90
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91 public Port getOutputSlot() {
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92 return outputSlot;
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93 }
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94
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95 public InputBlock getBlock() {
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96 return block;
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97 }
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98
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99 public Dimension getSize() {
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100 Rectangle bounds = getBounds();
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101 if (bounds != null) {
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102 return bounds.getSize();
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103 } else {
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104 return MIN_SIZE;
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105 }
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106 }
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107
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108 public void setPosition(Point p) {
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109 this.setPreferredLocation(p);
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110 }
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111
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112 @Override
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113 public String toString() {
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114 return block.getName();
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115 }
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116
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117 public Point getPosition() {
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118 return this.getPreferredLocation();
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119 }
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120
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121 public Cluster getCluster() {
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122 return cluster;
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123 }
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124
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125 public boolean isRoot() {
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126 return root;
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127 }
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128
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129 public void setCluster(Cluster c) {
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130 cluster = c;
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131 }
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132
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133 public void setRoot(boolean b) {
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134 root = b;
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135 }
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136
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137 public int compareTo(Vertex o) {
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138 return toString().compareTo(o.toString());
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139 }
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140
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141 @Override
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142 protected void notifyStateChanged(ObjectState previousState, ObjectState state) {
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143 super.notifyStateChanged(previousState, state);
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144
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145 if (previousState.isHovered() != state.isHovered()) {
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146 if (state.isHovered()) {
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147 this.setBorder(BorderFactory.createLineBorder(1, HOVER_FOREGROUND_COLOR));
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148 } else {
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149 this.setBorder(BorderFactory.createLineBorder(1, NORMAL_FOREGROUND_COLOR));
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150 }
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151 }
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152
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153 if (previousState.isSelected() != state.isSelected()) {
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154 if (state.isSelected()) {
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155 this.setFont(boldFont);
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156 } else {
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157 this.setFont(font);
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158 }
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159 }
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160 }
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161 }