1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.dialogs.relation;
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3 |
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4 | import java.awt.BasicStroke;
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5 | import java.awt.Color;
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6 | import java.awt.Component;
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7 | import java.awt.Graphics;
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8 | import java.awt.Graphics2D;
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9 | import java.awt.Image;
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10 |
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11 | import javax.swing.JTable;
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12 |
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13 | import org.openstreetmap.josm.gui.dialogs.relation.sort.WayConnectionType;
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14 | import org.openstreetmap.josm.gui.dialogs.relation.sort.WayConnectionType.Direction;
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15 | import org.openstreetmap.josm.tools.ImageProvider;
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16 |
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17 | public class MemberTableLinkedCellRenderer extends MemberTableCellRenderer {
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18 |
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19 | private static final Image arrowUp = ImageProvider.get("dialogs/relation", "arrowup").getImage();
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20 | private static final Image arrowDown = ImageProvider.get("dialogs/relation", "arrowdown").getImage();
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21 | private static final Image corners = ImageProvider.get("dialogs/relation", "roundedcorners").getImage();
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22 | private static final Image roundabout_right = ImageProvider.get("dialogs/relation", "roundabout_right_tiny").getImage();
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23 | private static final Image roundabout_left = ImageProvider.get("dialogs/relation", "roundabout_left_tiny").getImage();
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24 | private transient WayConnectionType value = new WayConnectionType();
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25 |
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26 | @Override
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27 | public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus,
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28 | int row, int column) {
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29 |
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30 | reset();
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31 | if (value == null)
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32 | return this;
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33 |
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34 | this.value = (WayConnectionType) value;
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35 | setToolTipText(((WayConnectionType) value).getTooltip());
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36 | renderBackgroundForeground(getModel(table), null, isSelected);
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37 | return this;
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38 | }
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39 |
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40 | @Override
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41 | public void paintComponent(Graphics g) {
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42 | super.paintComponent(g);
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43 | if (value == null || !value.isValid())
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44 | return;
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45 |
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46 | int ymax = this.getSize().height - 1;
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47 | int xloop = 10;
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48 | int xowloop = 0;
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49 | if (value.isOnewayLoopForwardPart) {
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50 | xowloop = -3;
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51 | }
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52 | if (value.isOnewayLoopBackwardPart) {
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53 | xowloop = 3;
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54 | }
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55 |
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56 | int xoff = this.getSize().width / 2;
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57 | if (value.isLoop) {
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58 | xoff -= xloop / 2 - 1;
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59 | }
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60 | int w = 2;
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61 | int p = 2 + w + 1;
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62 | int y1 = 0;
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63 | int y2 = 0;
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64 |
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65 | if (value.linkPrev) {
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66 | g.setColor(Color.black);
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67 | if (value.isOnewayHead) {
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68 | g.fillRect(xoff - 1, 0, 3, 1);
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69 | } else {
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70 | g.fillRect(xoff - 1 + xowloop, 0, 3, 1);
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71 | }
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72 | y1 = 0;
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73 | } else {
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74 | if (value.isLoop) {
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75 | g.setColor(Color.black);
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76 | y1 = 5;
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77 | g.drawImage(corners, xoff, y1-3, xoff+3, y1, 0, 0, 3, 3, new Color(0, 0, 0, 0), null);
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78 | g.drawImage(corners, xoff+xloop-2, y1-3, xoff+xloop+1, y1, 2, 0, 5, 3, new Color(0, 0, 0, 0), null);
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79 | g.drawLine(xoff+3, y1-3, xoff+xloop-3, y1-3);
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80 | } else {
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81 | g.setColor(Color.red);
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82 | if (value.isOnewayHead) {
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83 | g.drawRect(xoff-1, p - 3 - w, w, w);
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84 | } else {
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85 | g.drawRect(xoff-1 + xowloop, p - 1 - w, w, w);
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86 | }
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87 | y1 = p;
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88 | }
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89 | }
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90 |
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91 | if (value.linkNext) {
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92 | g.setColor(Color.black);
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93 | if (value.isOnewayTail) {
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94 | g.fillRect(xoff - 1, ymax, 3, 1);
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95 | } else {
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96 | g.fillRect(xoff - 1 + xowloop, ymax, 3, 1);
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97 | }
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98 | y2 = ymax;
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99 | } else {
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100 | if (value.isLoop) {
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101 | g.setColor(Color.black);
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102 | y2 = ymax - 5;
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103 | g.fillRect(xoff-1, y2+2, 3, 3);
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104 | g.drawLine(xoff, y2, xoff, y2+2);
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105 | g.drawImage(corners, xoff+xloop-2, y2+1, xoff+xloop+1, y2+4, 2, 2, 5, 5, new Color(0, 0, 0, 0), null);
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106 | g.drawLine(xoff+3-1, y2+3, xoff+xloop-3, y2+3);
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107 | } else {
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108 | g.setColor(Color.red);
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109 | if (value.isOnewayTail) {
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110 | g.drawRect(xoff-1, ymax - p + 3, w, w);
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111 | } else {
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112 | g.drawRect(xoff-1 + xowloop, ymax - p + 1, w, w);
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113 | }
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114 | y2 = ymax - p;
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115 | }
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116 | }
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117 |
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118 | /* vertical lines */
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119 | g.setColor(Color.black);
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120 | if (value.isLoop) {
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121 | g.drawLine(xoff+xloop, y1, xoff+xloop, y2);
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122 | }
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123 |
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124 | if (value.isOnewayHead) {
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125 | setDotted(g);
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126 | y1 = 7;
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127 |
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128 | int[] xValues = {xoff - xowloop + 1, xoff - xowloop + 1, xoff};
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129 | int[] yValues = {ymax, y1+1, 1};
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130 | g.drawPolyline(xValues, yValues, 3);
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131 | unsetDotted(g);
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132 | g.drawLine(xoff + xowloop, y1+1, xoff, 1);
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133 | }
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134 |
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135 | if (value.isOnewayTail) {
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136 | setDotted(g);
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137 | y2 = ymax - 7;
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138 |
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139 | int[] xValues = {xoff+1, xoff - xowloop + 1, xoff - xowloop + 1};
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140 | int[] yValues = {ymax-1, y2, y1};
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141 | g.drawPolyline(xValues, yValues, 3);
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142 | unsetDotted(g);
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143 | g.drawLine(xoff + xowloop, y2, xoff, ymax-1);
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144 | }
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145 |
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146 | if ((value.isOnewayLoopForwardPart || value.isOnewayLoopBackwardPart) && !value.isOnewayTail && !value.isOnewayHead) {
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147 | setDotted(g);
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148 | g.drawLine(xoff - xowloop+1, y1, xoff - xowloop+1, y2 + 1);
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149 | unsetDotted(g);
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150 | }
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151 |
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152 | if (!value.isOnewayLoopForwardPart && !value.isOnewayLoopBackwardPart) {
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153 | g.drawLine(xoff, y1, xoff, y2);
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154 | }
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155 |
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156 | g.drawLine(xoff+xowloop, y1, xoff+xowloop, y2);
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157 |
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158 | /* special icons */
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159 | Image arrow;
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160 | switch (value.direction) {
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161 | case FORWARD:
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162 | arrow = arrowDown;
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163 | break;
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164 | case BACKWARD:
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165 | arrow = arrowUp;
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166 | break;
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167 | default:
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168 | arrow = null;
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169 | }
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170 | if (value.direction == Direction.ROUNDABOUT_LEFT) {
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171 | g.drawImage(roundabout_left, xoff-6, 1, null);
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172 | } else if (value.direction == Direction.ROUNDABOUT_RIGHT) {
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173 | g.drawImage(roundabout_right, xoff-6, 1, null);
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174 | }
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175 |
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176 | if (!value.isOnewayLoopForwardPart && !value.isOnewayLoopBackwardPart &&
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177 | (arrow != null)) {
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178 | g.drawImage(arrow, xoff-3, (y1 + y2) / 2 - 2, null);
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179 | }
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180 |
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181 | if (value.isOnewayLoopBackwardPart && value.isOnewayLoopForwardPart) {
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182 | if (arrow == arrowDown) {
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183 | arrow = arrowUp;
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184 | } else if (arrow == arrowUp) {
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185 | arrow = arrowDown;
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186 | }
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187 | }
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188 |
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189 | if (arrow != null) {
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190 | g.drawImage(arrow, xoff+xowloop-3, (y1 + y2) / 2 - 2, null);
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191 | }
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192 | }
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193 |
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194 | private static void setDotted(Graphics g) {
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195 | ((Graphics2D) g).setStroke(new BasicStroke(
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196 | 1f,
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197 | BasicStroke.CAP_BUTT,
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198 | BasicStroke.CAP_BUTT,
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199 | 5f,
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200 | new float[] {1f, 2f},
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201 | 0f));
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202 | }
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203 |
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204 | private static void unsetDotted(Graphics g) {
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205 | ((Graphics2D) g).setStroke(new BasicStroke());
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206 | }
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207 | }
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