1 | // License: GPL. For details, see LICENSE file.
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2 | package CommandLine;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.tr;
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5 |
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6 | import java.awt.AWTEvent;
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7 | import java.awt.Cursor;
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8 | import java.awt.EventQueue;
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9 | import java.awt.Point;
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10 | import java.awt.Toolkit;
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11 | import java.awt.event.AWTEventListener;
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12 | import java.awt.event.KeyEvent;
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13 | import java.awt.event.MouseEvent;
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14 | import java.util.ArrayList;
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15 |
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16 | import javax.swing.JOptionPane;
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17 |
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18 | import org.openstreetmap.josm.Main;
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19 | import org.openstreetmap.josm.actions.mapmode.MapMode;
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20 | import org.openstreetmap.josm.data.coor.LatLon;
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21 | import org.openstreetmap.josm.data.osm.Node;
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22 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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23 | import org.openstreetmap.josm.gui.MainApplication;
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24 | import org.openstreetmap.josm.gui.MapFrame;
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25 | import org.openstreetmap.josm.tools.ImageProvider;
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26 | import org.openstreetmap.josm.tools.Logging;
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27 |
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28 | public class PointAction extends MapMode implements AWTEventListener {
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29 | private final CommandLine parentPlugin;
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30 | private final Cursor cursorCrosshair;
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31 | private final Cursor cursorJoinNode;
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32 | private Cursor currentCursor;
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33 | private Point mousePos;
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34 | private Node nearestNode;
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35 | private final ArrayList<String> pointList;
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36 | private boolean isCtrlDown;
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37 |
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38 | public PointAction(CommandLine parentPlugin) {
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39 | super(null, "addsegment.png", null, ImageProvider.getCursor("crosshair", null));
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40 | this.parentPlugin = parentPlugin;
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41 | cursorCrosshair = ImageProvider.getCursor("crosshair", null);
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42 | cursorJoinNode = ImageProvider.getCursor("crosshair", "joinnode");
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43 | currentCursor = cursorCrosshair;
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44 | nearestNode = null;
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45 | pointList = new ArrayList<>();
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46 | }
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47 |
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48 | @Override public void enterMode() {
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49 | super.enterMode();
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50 | if (getLayerManager().getEditDataSet() == null) {
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51 | MainApplication.getMap().selectSelectTool(false);
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52 | return;
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53 | }
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54 | currentCursor = cursorCrosshair;
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55 | MainApplication.getMap().mapView.addMouseListener(this);
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56 | MainApplication.getMap().mapView.addMouseMotionListener(this);
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57 | try {
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58 | Toolkit.getDefaultToolkit().addAWTEventListener(this, AWTEvent.KEY_EVENT_MASK);
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59 | } catch (SecurityException ex) {
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60 | Logging.warn(ex);
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61 | }
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62 | }
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63 |
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64 | @Override public void exitMode() {
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65 | super.exitMode();
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66 | MainApplication.getMap().mapView.removeMouseListener(this);
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67 | MainApplication.getMap().mapView.removeMouseMotionListener(this);
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68 | try {
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69 | Toolkit.getDefaultToolkit().removeAWTEventListener(this);
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70 | } catch (SecurityException ex) {
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71 | Logging.warn(ex);
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72 | }
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73 | }
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74 |
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75 | @Override public void mousePressed(MouseEvent e) {
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76 | if (e.getButton() == MouseEvent.BUTTON1) {
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77 | if (isCtrlDown) {
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78 | if (pointList.size() > 0) {
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79 | pointList.remove(pointList.size() - 1);
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80 | updateTextEdit();
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81 | }
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82 | } else {
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83 | LatLon coor;
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84 | if (nearestNode == null)
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85 | coor = MainApplication.getMap().mapView.getLatLon(e.getX(), e.getY());
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86 | else
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87 | coor = nearestNode.getCoor();
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88 | if (coor.isOutSideWorld()) {
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89 | JOptionPane.showMessageDialog(Main.parent, tr("Can not draw outside of the world."));
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90 | return;
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91 | }
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92 | String point = String.valueOf(coor.getX()) + "," + String.valueOf(coor.getY());
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93 | int maxInstances = parentPlugin.currentCommand.parameters.get(parentPlugin.currentCommand.currentParameterNum).maxInstances;
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94 | if (maxInstances == 1) {
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95 | parentPlugin.loadParameter(point, true);
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96 | } else {
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97 | if (pointList.size() < maxInstances || maxInstances == 0) {
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98 | pointList.add(point);
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99 | updateTextEdit();
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100 | } else
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101 | Logging.info("Maximum instances!");
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102 | }
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103 | }
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104 | }
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105 | }
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106 |
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107 | @Override
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108 | public void mouseMoved(MouseEvent e) {
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109 | if (!MainApplication.getMap().mapView.isActiveLayerDrawable())
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110 | return;
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111 | processMouseEvent(e);
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112 | updCursor();
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113 | MainApplication.getMap().mapView.repaint();
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114 | }
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115 |
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116 | @Override
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117 | public void eventDispatched(AWTEvent arg0) {
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118 | if (!(arg0 instanceof KeyEvent))
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119 | return;
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120 | KeyEvent ev = (KeyEvent) arg0;
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121 | isCtrlDown = (ev.getModifiersEx() & KeyEvent.CTRL_DOWN_MASK) != 0;
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122 | if (ev.getKeyCode() == KeyEvent.VK_ESCAPE && ev.getID() == KeyEvent.KEY_PRESSED) {
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123 | ev.consume();
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124 | cancelDrawing();
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125 | }
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126 | }
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127 |
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128 | private void updCursor() {
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129 | if (mousePos != null) {
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130 | if (!MainApplication.isDisplayingMapView())
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131 | return;
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132 | nearestNode = MainApplication.getMap().mapView.getNearestNode(mousePos, OsmPrimitive::isUsable);
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133 | if (nearestNode != null) {
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134 | setCursor(cursorJoinNode);
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135 | } else {
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136 | setCursor(cursorCrosshair);
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137 | }
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138 | }
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139 | }
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140 |
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141 | private void processMouseEvent(MouseEvent e) {
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142 | if (e != null) {
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143 | mousePos = e.getPoint();
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144 | }
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145 | }
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146 |
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147 | private void setCursor(final Cursor c) {
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148 | if (currentCursor.equals(c))
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149 | return;
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150 | try {
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151 | // We invoke this to prevent strange things from happening
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152 | EventQueue.invokeLater(() -> {
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153 | // Don't change cursor when mode has changed already
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154 | if (!(MainApplication.getMap().mapMode instanceof PointAction))
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155 | return;
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156 | MainApplication.getMap().mapView.setCursor(c);
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157 | });
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158 | currentCursor = c;
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159 | } catch (Exception e) {
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160 | Logging.warn(e);
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161 | }
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162 | }
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163 |
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164 | public void cancelDrawing() {
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165 | if (!MainApplication.isDisplayingMapView())
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166 | return;
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167 | MapFrame map = MainApplication.getMap();
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168 | map.statusLine.setHeading(-1);
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169 | map.statusLine.setAngle(-1);
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170 | map.mapView.repaint();
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171 | updateStatusLine();
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172 | parentPlugin.abortInput();
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173 | }
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174 |
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175 | public String currentValue() {
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176 | String out = "";
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177 | boolean first = true;
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178 | for (String point : pointList) {
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179 | if (!first)
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180 | out += ";";
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181 | out += point;
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182 | first = false;
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183 | }
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184 | return out;
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185 | }
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186 |
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187 | private void updateTextEdit() {
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188 | Parameter currentParameter = parentPlugin.currentCommand.parameters.get(parentPlugin.currentCommand.currentParameterNum);
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189 | String prefix = tr(currentParameter.description);
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190 | prefix += parentPlugin.commandSymbol;
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191 | String value = currentValue();
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192 | parentPlugin.textField.setText(prefix + value);
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193 | }
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194 | }
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