1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.layer;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.tr;
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5 | import static org.openstreetmap.josm.tools.I18n.trn;
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6 |
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7 | import java.awt.Color;
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8 | import java.awt.Dimension;
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9 | import java.awt.Graphics2D;
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10 | import java.awt.Point;
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11 | import java.awt.event.MouseEvent;
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12 | import java.awt.event.MouseListener;
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13 | import java.io.File;
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14 | import java.text.DateFormat;
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15 | import java.util.ArrayList;
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16 | import java.util.Collection;
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17 | import java.util.Collections;
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18 | import java.util.List;
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19 |
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20 | import javax.swing.Action;
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21 | import javax.swing.BorderFactory;
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22 | import javax.swing.Icon;
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23 | import javax.swing.ImageIcon;
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24 | import javax.swing.JWindow;
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25 | import javax.swing.SwingUtilities;
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26 | import javax.swing.UIManager;
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27 |
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28 | import org.openstreetmap.josm.Main;
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29 | import org.openstreetmap.josm.actions.SaveActionBase;
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30 | import org.openstreetmap.josm.data.Bounds;
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31 | import org.openstreetmap.josm.data.notes.Note;
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32 | import org.openstreetmap.josm.data.notes.Note.State;
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33 | import org.openstreetmap.josm.data.notes.NoteComment;
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34 | import org.openstreetmap.josm.data.osm.NoteData;
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35 | import org.openstreetmap.josm.data.osm.NoteData.NoteDataUpdateListener;
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36 | import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
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37 | import org.openstreetmap.josm.gui.MainApplication;
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38 | import org.openstreetmap.josm.gui.MainFrame;
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39 | import org.openstreetmap.josm.gui.MapView;
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40 | import org.openstreetmap.josm.gui.dialogs.LayerListDialog;
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41 | import org.openstreetmap.josm.gui.dialogs.LayerListPopup;
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42 | import org.openstreetmap.josm.gui.io.AbstractIOTask;
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43 | import org.openstreetmap.josm.gui.io.UploadNoteLayerTask;
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44 | import org.openstreetmap.josm.gui.io.importexport.NoteExporter;
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45 | import org.openstreetmap.josm.gui.progress.ProgressMonitor;
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46 | import org.openstreetmap.josm.gui.widgets.HtmlPanel;
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47 | import org.openstreetmap.josm.io.XmlWriter;
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48 | import org.openstreetmap.josm.spi.preferences.Config;
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49 | import org.openstreetmap.josm.tools.ColorHelper;
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50 | import org.openstreetmap.josm.tools.ImageProvider;
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51 | import org.openstreetmap.josm.tools.Logging;
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52 | import org.openstreetmap.josm.tools.date.DateUtils;
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53 |
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54 | /**
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55 | * A layer to hold Note objects.
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56 | * @since 7522
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57 | */
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58 | public class NoteLayer extends AbstractModifiableLayer implements MouseListener, NoteDataUpdateListener {
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59 |
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60 | private final NoteData noteData;
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61 |
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62 | private Note displayedNote;
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63 | private HtmlPanel displayedPanel;
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64 | private JWindow displayedWindow;
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65 |
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66 | /**
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67 | * Create a new note layer with a set of notes
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68 | * @param notes A list of notes to show in this layer
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69 | * @param name The name of the layer. Typically "Notes"
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70 | */
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71 | public NoteLayer(Collection<Note> notes, String name) {
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72 | super(name);
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73 | noteData = new NoteData(notes);
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74 | noteData.addNoteDataUpdateListener(this);
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75 | }
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76 |
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77 | /** Convenience constructor that creates a layer with an empty note list */
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78 | public NoteLayer() {
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79 | this(Collections.<Note>emptySet(), tr("Notes"));
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80 | }
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81 |
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82 | @Override
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83 | public void hookUpMapView() {
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84 | MainApplication.getMap().mapView.addMouseListener(this);
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85 | }
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86 |
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87 | @Override
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88 | public synchronized void destroy() {
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89 | MainApplication.getMap().mapView.removeMouseListener(this);
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90 | noteData.removeNoteDataUpdateListener(this);
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91 | hideNoteWindow();
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92 | super.destroy();
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93 | }
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94 |
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95 | /**
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96 | * Returns the note data store being used by this layer
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97 | * @return noteData containing layer notes
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98 | */
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99 | public NoteData getNoteData() {
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100 | return noteData;
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101 | }
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102 |
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103 | @Override
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104 | public boolean isModified() {
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105 | return noteData.isModified();
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106 | }
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107 |
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108 | @Override
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109 | public boolean isUploadable() {
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110 | return true;
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111 | }
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112 |
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113 | @Override
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114 | public boolean requiresUploadToServer() {
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115 | return isModified();
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116 | }
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117 |
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118 | @Override
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119 | public boolean isSavable() {
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120 | return true;
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121 | }
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122 |
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123 | @Override
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124 | public boolean requiresSaveToFile() {
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125 | return getAssociatedFile() != null && isModified();
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126 | }
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127 |
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128 | @Override
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129 | public void paint(Graphics2D g, MapView mv, Bounds box) {
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130 | final int iconHeight = ImageProvider.ImageSizes.SMALLICON.getAdjustedHeight();
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131 | final int iconWidth = ImageProvider.ImageSizes.SMALLICON.getAdjustedWidth();
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132 |
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133 | for (Note note : noteData.getNotes()) {
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134 | Point p = mv.getPoint(note.getLatLon());
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135 |
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136 | ImageIcon icon;
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137 | if (note.getId() < 0) {
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138 | icon = ImageProvider.get("dialogs/notes", "note_new", ImageProvider.ImageSizes.SMALLICON);
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139 | } else if (note.getState() == State.CLOSED) {
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140 | icon = ImageProvider.get("dialogs/notes", "note_closed", ImageProvider.ImageSizes.SMALLICON);
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141 | } else {
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142 | icon = ImageProvider.get("dialogs/notes", "note_open", ImageProvider.ImageSizes.SMALLICON);
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143 | }
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144 | int width = icon.getIconWidth();
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145 | int height = icon.getIconHeight();
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146 | g.drawImage(icon.getImage(), p.x - (width / 2), p.y - height, MainApplication.getMap().mapView);
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147 | }
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148 | Note selectedNote = noteData.getSelectedNote();
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149 | if (selectedNote != null) {
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150 | paintSelectedNote(g, mv, iconHeight, iconWidth, selectedNote);
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151 | } else {
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152 | hideNoteWindow();
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153 | }
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154 | }
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155 |
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156 | private void hideNoteWindow() {
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157 | if (displayedWindow != null) {
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158 | displayedWindow.setVisible(false);
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159 | displayedWindow.dispose();
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160 | displayedWindow = null;
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161 | displayedPanel = null;
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162 | displayedNote = null;
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163 | }
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164 | }
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165 |
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166 | private void paintSelectedNote(Graphics2D g, MapView mv, final int iconHeight, final int iconWidth, Note selectedNote) {
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167 | Point p = mv.getPoint(selectedNote.getLatLon());
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168 |
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169 | g.setColor(ColorHelper.html2color(Config.getPref().get("color.selected")));
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170 | g.drawRect(p.x - (iconWidth / 2), p.y - iconHeight, iconWidth - 1, iconHeight - 1);
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171 |
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172 | if (displayedNote != null && !displayedNote.equals(selectedNote)) {
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173 | hideNoteWindow();
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174 | }
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175 |
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176 | Point screenloc = mv.getLocationOnScreen();
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177 | int tx = screenloc.x + p.x + (iconWidth / 2) + 5;
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178 | int ty = screenloc.y + p.y - iconHeight - 1;
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179 |
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180 | String text = getNoteToolTip(selectedNote);
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181 |
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182 | if (displayedWindow == null) {
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183 | displayedPanel = new HtmlPanel(text);
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184 | displayedPanel.setBackground(UIManager.getColor("ToolTip.background"));
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185 | displayedPanel.setForeground(UIManager.getColor("ToolTip.foreground"));
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186 | displayedPanel.setFont(UIManager.getFont("ToolTip.font"));
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187 | displayedPanel.setBorder(BorderFactory.createLineBorder(Color.black));
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188 | displayedPanel.enableClickableHyperlinks();
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189 | fixPanelSize(mv, text);
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190 | displayedWindow = new JWindow((MainFrame) Main.parent);
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191 | displayedWindow.add(displayedPanel);
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192 | } else {
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193 | displayedPanel.setText(text);
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194 | fixPanelSize(mv, text);
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195 | }
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196 |
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197 | displayedWindow.pack();
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198 | displayedWindow.setLocation(tx, ty);
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199 | displayedWindow.setVisible(mv.contains(p));
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200 | displayedNote = selectedNote;
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201 | }
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202 |
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203 | private void fixPanelSize(MapView mv, String text) {
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204 | Dimension d = displayedPanel.getPreferredSize();
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205 | if (d.width > mv.getWidth() / 2) {
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206 | // To make sure long notes such as https://www.openstreetmap.org/note/278197 are displayed correctly
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207 | displayedPanel.setText(text.replaceAll("\\. ([\\p{Lower}\\p{Upper}\\p{Punct}])", "\\.<br>$1"));
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208 | }
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209 | }
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210 |
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211 | /**
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212 | * Returns the HTML-formatted tooltip text for the given note.
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213 | * @param note note to display
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214 | * @return the HTML-formatted tooltip text for the given note
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215 | * @since 13111
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216 | */
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217 | public static String getNoteToolTip(Note note) {
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218 | StringBuilder sb = new StringBuilder("<html>");
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219 | sb.append(tr("Note"))
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220 | .append(' ').append(note.getId());
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221 | for (NoteComment comment : note.getComments()) {
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222 | String commentText = comment.getText();
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223 | //closing a note creates an empty comment that we don't want to show
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224 | if (commentText != null && !commentText.trim().isEmpty()) {
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225 | sb.append("<hr/>");
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226 | String userName = XmlWriter.encode(comment.getUser().getName());
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227 | if (userName == null || userName.trim().isEmpty()) {
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228 | userName = "<Anonymous>";
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229 | }
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230 | sb.append(userName)
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231 | .append(" on ")
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232 | .append(DateUtils.getDateFormat(DateFormat.MEDIUM).format(comment.getCommentTimestamp()))
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233 | .append(":<br>");
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234 | String htmlText = XmlWriter.encode(comment.getText(), true);
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235 | // encode method leaves us with entity instead of \n
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236 | htmlText = htmlText.replace("
", "<br>");
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237 | // convert URLs to proper HTML links
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238 | htmlText = htmlText.replaceAll("(https?://\\S+)", "<a href=\"$1\">$1</a>");
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239 | sb.append(htmlText);
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240 | }
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241 | }
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242 | sb.append("</html>");
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243 | String result = sb.toString();
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244 | Logging.debug(result);
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245 | return result;
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246 | }
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247 |
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248 | @Override
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249 | public Icon getIcon() {
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250 | return ImageProvider.get("dialogs/notes", "note_open", ImageProvider.ImageSizes.SMALLICON);
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251 | }
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252 |
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253 | @Override
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254 | public String getToolTipText() {
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255 | return trn("{0} note", "{0} notes", noteData.getNotes().size(), noteData.getNotes().size());
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256 | }
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257 |
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258 | @Override
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259 | public void mergeFrom(Layer from) {
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260 | throw new UnsupportedOperationException("Notes layer does not support merging yet");
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261 | }
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262 |
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263 | @Override
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264 | public boolean isMergable(Layer other) {
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265 | return false;
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266 | }
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267 |
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268 | @Override
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269 | public void visitBoundingBox(BoundingXYVisitor v) {
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270 | for (Note note : noteData.getNotes()) {
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271 | v.visit(note.getLatLon());
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272 | }
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273 | }
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274 |
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275 | @Override
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276 | public Object getInfoComponent() {
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277 | StringBuilder sb = new StringBuilder();
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278 | sb.append(tr("Notes layer"))
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279 | .append('\n')
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280 | .append(tr("Total notes:"))
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281 | .append(' ')
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282 | .append(noteData.getNotes().size())
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283 | .append('\n')
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284 | .append(tr("Changes need uploading?"))
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285 | .append(' ')
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286 | .append(isModified());
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287 | return sb.toString();
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288 | }
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289 |
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290 | @Override
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291 | public Action[] getMenuEntries() {
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292 | List<Action> actions = new ArrayList<>();
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293 | actions.add(LayerListDialog.getInstance().createShowHideLayerAction());
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294 | actions.add(LayerListDialog.getInstance().createDeleteLayerAction());
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295 | actions.add(new LayerListPopup.InfoAction(this));
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296 | actions.add(new LayerSaveAction(this));
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297 | actions.add(new LayerSaveAsAction(this));
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298 | return actions.toArray(new Action[actions.size()]);
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299 | }
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300 |
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301 | @Override
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302 | public void mouseClicked(MouseEvent e) {
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303 | if (!SwingUtilities.isLeftMouseButton(e)) {
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304 | return;
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305 | }
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306 | Point clickPoint = e.getPoint();
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307 | double snapDistance = 10;
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308 | double minDistance = Double.MAX_VALUE;
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309 | final int iconHeight = ImageProvider.ImageSizes.SMALLICON.getAdjustedHeight();
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310 | Note closestNote = null;
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311 | for (Note note : noteData.getNotes()) {
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312 | Point notePoint = MainApplication.getMap().mapView.getPoint(note.getLatLon());
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313 | //move the note point to the center of the icon where users are most likely to click when selecting
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314 | notePoint.setLocation(notePoint.getX(), notePoint.getY() - iconHeight / 2);
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315 | double dist = clickPoint.distanceSq(notePoint);
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316 | if (minDistance > dist && clickPoint.distance(notePoint) < snapDistance) {
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317 | minDistance = dist;
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318 | closestNote = note;
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319 | }
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320 | }
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321 | noteData.setSelectedNote(closestNote);
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322 | }
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323 |
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324 | @Override
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325 | public File createAndOpenSaveFileChooser() {
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326 | return SaveActionBase.createAndOpenSaveFileChooser(tr("Save Note file"), NoteExporter.FILE_FILTER);
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327 | }
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328 |
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329 | @Override
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330 | public AbstractIOTask createUploadTask(ProgressMonitor monitor) {
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331 | return new UploadNoteLayerTask(this, monitor);
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332 | }
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333 |
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334 | @Override
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335 | public void mousePressed(MouseEvent e) {
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336 | // Do nothing
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337 | }
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338 |
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339 | @Override
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340 | public void mouseReleased(MouseEvent e) {
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341 | // Do nothing
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342 | }
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343 |
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344 | @Override
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345 | public void mouseEntered(MouseEvent e) {
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346 | // Do nothing
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347 | }
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348 |
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349 | @Override
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350 | public void mouseExited(MouseEvent e) {
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351 | // Do nothing
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352 | }
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353 |
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354 | @Override
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355 | public void noteDataUpdated(NoteData data) {
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356 | invalidate();
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357 | }
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358 |
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359 | @Override
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360 | public void selectedNoteChanged(NoteData noteData) {
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361 | invalidate();
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362 | }
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363 | }
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