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 | /**
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18 | * This class renders the link column of the member table. It shows if the way segments are connected or not.
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19 | */
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20 | public class MemberTableLinkedCellRenderer extends MemberTableCellRenderer {
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21 |
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22 | private static final Image ARROW_UP = ImageProvider.get("dialogs/relation", "arrowup").getImage();
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23 | private static final Image ARROW_DOWN = ImageProvider.get("dialogs/relation", "arrowdown").getImage();
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24 | private static final Image CORNERS = ImageProvider.get("dialogs/relation", "roundedcorners").getImage();
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25 | private static final Image ROUNDABOUT_RIGHT = ImageProvider.get("dialogs/relation", "roundabout_right_tiny").getImage();
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26 | private static final Image ROUNDABOUT_LEFT = ImageProvider.get("dialogs/relation", "roundabout_left_tiny").getImage();
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27 | private transient WayConnectionType value = new WayConnectionType();
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28 |
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29 | @Override
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30 | public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus,
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31 | int row, int column) {
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32 |
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33 | reset();
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34 | if (value == null)
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35 | return this;
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36 |
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37 | this.value = (WayConnectionType) value;
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38 | setToolTipText(((WayConnectionType) value).getTooltip());
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39 | renderBackgroundForeground(getModel(table), null, isSelected);
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40 | return this;
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41 | }
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42 |
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43 | @Override
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44 | public void paintComponent(Graphics g) {
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45 | super.paintComponent(g);
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46 | if (value == null || !value.isValid())
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47 | return;
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48 |
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49 | int ymax = this.getSize().height - 1;
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50 | int xloop = 10;
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51 | int xowloop = 0;
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52 | if (value.isOnewayLoopForwardPart) {
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53 | xowloop = -3;
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54 | }
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55 | if (value.isOnewayLoopBackwardPart) {
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56 | xowloop = 3;
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57 | }
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58 |
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59 | int xoff = this.getSize().width / 2;
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60 | if (value.isLoop) {
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61 | xoff -= xloop / 2 - 1;
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62 | }
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63 | int w = 2;
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64 | int p = 2 + w + 1;
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65 | int y1;
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66 | int y2;
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67 |
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68 | if (value.linkPrev) {
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69 | g.setColor(Color.black);
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70 | if (value.isOnewayHead) {
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71 | g.fillRect(xoff - 1, 0, 3, 1);
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72 | } else {
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73 | g.fillRect(xoff - 1 + xowloop, 0, 3, 1);
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74 | }
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75 | y1 = 0;
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76 | } else {
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77 | if (value.isLoop) {
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78 | g.setColor(Color.black);
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79 | y1 = 5;
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80 | g.drawImage(CORNERS, xoff, y1-3, xoff+3, y1, 0, 0, 3, 3, new Color(0, 0, 0, 0), null);
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81 | 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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82 | g.drawLine(xoff+3, y1-3, xoff+xloop-3, y1-3);
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83 | } else {
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84 | g.setColor(Color.red);
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85 | if (value.isOnewayHead) {
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86 | g.drawRect(xoff-1, p - 3 - w, w, w);
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87 | } else {
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88 | g.drawRect(xoff-1 + xowloop, p - 1 - w, w, w);
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89 | }
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90 | y1 = p;
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91 | }
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92 | }
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93 |
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94 | if (value.linkNext) {
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95 | g.setColor(Color.black);
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96 | if (value.isOnewayTail) {
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97 | g.fillRect(xoff - 1, ymax, 3, 1);
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98 | } else {
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99 | g.fillRect(xoff - 1 + xowloop, ymax, 3, 1);
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100 | }
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101 | y2 = ymax;
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102 | } else {
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103 | if (value.isLoop) {
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104 | g.setColor(Color.black);
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105 | y2 = ymax - 5;
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106 | g.fillRect(xoff-1, y2+2, 3, 3);
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107 | g.drawLine(xoff, y2, xoff, y2+2);
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108 | 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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109 | g.drawLine(xoff+3-1, y2+3, xoff+xloop-3, y2+3);
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110 | } else {
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111 | g.setColor(Color.red);
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112 | if (value.isOnewayTail) {
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113 | g.drawRect(xoff-1, ymax - p + 3, w, w);
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114 | } else {
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115 | g.drawRect(xoff-1 + xowloop, ymax - p + 1, w, w);
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116 | }
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117 | y2 = ymax - p;
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118 | }
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119 | }
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120 |
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121 | /* vertical lines */
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122 | g.setColor(Color.black);
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123 | if (value.isLoop) {
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124 | g.drawLine(xoff+xloop, y1, xoff+xloop, y2);
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125 | }
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126 |
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127 | if (value.isOnewayHead) {
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128 | setDotted(g);
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129 | y1 = 7;
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130 |
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131 | int[] xValues = {xoff - xowloop + 1, xoff - xowloop + 1, xoff};
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132 | int[] yValues = {ymax, y1+1, 1};
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133 | g.drawPolyline(xValues, yValues, 3);
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134 | unsetDotted(g);
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135 | g.drawLine(xoff + xowloop, y1+1, xoff, 1);
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136 | }
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137 |
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138 | if (value.isOnewayTail) {
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139 | setDotted(g);
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140 | y2 = ymax - 7;
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141 |
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142 | int[] xValues = {xoff+1, xoff - xowloop + 1, xoff - xowloop + 1};
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143 | int[] yValues = {ymax-1, y2, y1};
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144 | g.drawPolyline(xValues, yValues, 3);
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145 | unsetDotted(g);
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146 | g.drawLine(xoff + xowloop, y2, xoff, ymax-1);
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147 | }
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148 |
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149 | if ((value.isOnewayLoopForwardPart || value.isOnewayLoopBackwardPart) && !value.isOnewayTail && !value.isOnewayHead) {
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150 | setDotted(g);
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151 | g.drawLine(xoff - xowloop+1, y1, xoff - xowloop+1, y2 + 1);
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152 | unsetDotted(g);
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153 | }
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154 |
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155 | if (!value.isOnewayLoopForwardPart && !value.isOnewayLoopBackwardPart) {
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156 | g.drawLine(xoff, y1, xoff, y2);
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157 | }
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158 |
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159 | g.drawLine(xoff+xowloop, y1, xoff+xowloop, y2);
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160 |
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161 | /* special icons */
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162 | Image arrow;
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163 | switch (value.direction) {
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164 | case FORWARD:
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165 | arrow = ARROW_DOWN;
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166 | break;
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167 | case BACKWARD:
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168 | arrow = ARROW_UP;
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169 | break;
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170 | default:
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171 | arrow = null;
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172 | }
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173 | if (value.direction == Direction.ROUNDABOUT_LEFT) {
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174 | g.drawImage(ROUNDABOUT_LEFT, xoff-6, 1, null);
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175 | } else if (value.direction == Direction.ROUNDABOUT_RIGHT) {
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176 | g.drawImage(ROUNDABOUT_RIGHT, xoff-6, 1, null);
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177 | }
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178 |
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179 | if (!value.isOnewayLoopForwardPart && !value.isOnewayLoopBackwardPart &&
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180 | (arrow != null)) {
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181 | g.drawImage(arrow, xoff-3, (y1 + y2) / 2 - 2, null);
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182 | }
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183 |
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184 | if (value.isOnewayLoopBackwardPart && value.isOnewayLoopForwardPart) {
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185 | if (arrow == ARROW_DOWN) {
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186 | arrow = ARROW_UP;
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187 | } else if (arrow == ARROW_UP) {
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188 | arrow = ARROW_DOWN;
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189 | }
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190 | }
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191 |
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192 | if (arrow != null) {
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193 | g.drawImage(arrow, xoff+xowloop-3, (y1 + y2) / 2 - 2, null);
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194 | }
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195 | }
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196 |
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197 | private static void setDotted(Graphics g) {
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198 | ((Graphics2D) g).setStroke(new BasicStroke(
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199 | 1f,
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200 | BasicStroke.CAP_BUTT,
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201 | BasicStroke.CAP_BUTT,
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202 | 5f,
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203 | new float[] {1f, 2f},
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204 | 0f));
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205 | }
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206 |
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207 | private static void unsetDotted(Graphics g) {
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208 | ((Graphics2D) g).setStroke(new BasicStroke());
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209 | }
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210 | }
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