1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.download;
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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.GridBagConstraints;
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7 | import java.awt.GridBagLayout;
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8 | import java.awt.Insets;
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9 | import java.awt.event.ActionEvent;
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10 | import java.awt.event.MouseAdapter;
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11 | import java.awt.event.MouseEvent;
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12 | import java.util.List;
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13 |
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14 | import javax.swing.AbstractAction;
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15 | import javax.swing.DefaultListModel;
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16 | import javax.swing.JButton;
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17 | import javax.swing.JOptionPane;
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18 | import javax.swing.JPanel;
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19 | import javax.swing.JScrollPane;
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20 | import javax.swing.SwingUtilities;
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21 | import javax.swing.event.ListSelectionEvent;
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22 | import javax.swing.event.ListSelectionListener;
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23 |
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24 | import org.openstreetmap.josm.Main;
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25 | import org.openstreetmap.josm.data.Bounds;
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26 | import org.openstreetmap.josm.gui.download.BookmarkList.Bookmark;
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27 | import org.openstreetmap.josm.gui.widgets.JMultilineLabel;
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28 | import org.openstreetmap.josm.gui.widgets.JosmTextArea;
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29 | import org.openstreetmap.josm.tools.ImageProvider;
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30 |
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31 | /**
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32 | * DownloadAreaSelector which manages a list of "bookmarks", i.e. a list of
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33 | * name download areas.
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34 | *
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35 | */
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36 | public class BookmarkSelection implements DownloadSelection {
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37 |
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38 | /** the currently selected download area. One can add bookmarks for this
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39 | * area, if not null
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40 | */
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41 | private Bounds currentArea;
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42 | /** the list of bookmarks */
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43 | private BookmarkList bookmarks;
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44 |
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45 | /** the parent download GUI */
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46 | private DownloadDialog parent;
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47 |
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48 | /** displays information about the current download area */
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49 | private final JMultilineLabel lblCurrentDownloadArea = new JMultilineLabel("");
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50 | private final JosmTextArea bboxDisplay = new JosmTextArea();
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51 | /** the add action */
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52 | private final AddAction actAdd = new AddAction();
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53 |
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54 | /**
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55 | * Creates the panel with the action buttons on the left
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56 | *
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57 | * @return the panel with the action buttons on the left
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58 | */
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59 | protected JPanel buildButtonPanel() {
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60 | JPanel pnl = new JPanel(new GridBagLayout());
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61 | GridBagConstraints gc = new GridBagConstraints();
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62 | gc.gridy = 0;
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63 | RemoveAction removeAction = new RemoveAction();
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64 | bookmarks.addListSelectionListener(removeAction);
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65 | pnl.add(new JButton(removeAction), gc);
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66 |
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67 | gc.gridy = 1;
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68 | RenameAction renameAction = new RenameAction();
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69 | bookmarks.addListSelectionListener(renameAction);
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70 | pnl.add(new JButton(renameAction), gc);
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71 |
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72 | gc.fill = GridBagConstraints.BOTH;
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73 | gc.weightx = 1.0;
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74 | gc.weighty = 1.0;
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75 | gc.gridy = 3;
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76 | pnl.add(new JPanel(), gc); // just a filler
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77 | return pnl;
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78 | }
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79 |
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80 | protected JPanel buildDownloadAreaAddPanel() {
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81 | JPanel pnl = new JPanel(new GridBagLayout());
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82 |
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83 | GridBagConstraints gc = new GridBagConstraints();
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84 | gc.anchor = GridBagConstraints.NORTHWEST;
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85 | gc.insets = new Insets(5, 5, 5, 5);
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86 | pnl.add(lblCurrentDownloadArea, gc);
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87 |
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88 | gc.weightx = 1.0;
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89 | gc.weighty = 1.0;
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90 | bboxDisplay.setEditable(false);
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91 | bboxDisplay.setBackground(pnl.getBackground());
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92 | bboxDisplay.addFocusListener(new BoundingBoxSelection.SelectAllOnFocusHandler(bboxDisplay));
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93 | pnl.add(bboxDisplay, gc);
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94 |
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95 | gc.anchor = GridBagConstraints.NORTHEAST;
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96 | gc.fill = GridBagConstraints.HORIZONTAL;
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97 | gc.weightx = 0.0;
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98 | gc.weighty = 0.0;
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99 | gc.insets = new Insets(5, 5, 5, 5);
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100 | pnl.add(new JButton(actAdd), gc);
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101 | return pnl;
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102 | }
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103 |
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104 | @Override
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105 | public void addGui(final DownloadDialog gui) {
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106 | JPanel dlg = new JPanel(new GridBagLayout());
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107 | if (gui != null)
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108 | gui.addDownloadAreaSelector(dlg, tr("Bookmarks"));
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109 | GridBagConstraints gc = new GridBagConstraints();
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110 |
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111 | bookmarks = new BookmarkList();
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112 | bookmarks.getSelectionModel().addListSelectionListener(e -> {
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113 | Bookmark b = bookmarks.getSelectedValue();
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114 | if (b != null && gui != null) {
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115 | gui.boundingBoxChanged(b.getArea(), this);
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116 | }
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117 | });
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118 | bookmarks.addMouseListener(new DoubleClickAdapter());
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119 |
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120 | gc.fill = GridBagConstraints.HORIZONTAL;
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121 | gc.weightx = 1.0;
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122 | gc.weighty = 0.0;
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123 | gc.gridwidth = 2;
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124 | dlg.add(buildDownloadAreaAddPanel(), gc);
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125 |
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126 | gc.gridwidth = 1;
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127 | gc.gridx = 0;
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128 | gc.gridy = 1;
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129 | gc.fill = GridBagConstraints.VERTICAL;
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130 | gc.weightx = 0.0;
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131 | gc.weighty = 1.0;
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132 | dlg.add(buildButtonPanel(), gc);
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133 |
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134 | gc.gridwidth = 1;
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135 | gc.gridx = 1;
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136 | gc.gridy = 1;
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137 | gc.fill = GridBagConstraints.BOTH;
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138 | gc.weightx = 1.0;
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139 | gc.weighty = 1.0;
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140 | gc.gridx = 1;
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141 | dlg.add(new JScrollPane(bookmarks), gc);
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142 |
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143 | this.parent = gui;
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144 | }
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145 |
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146 | protected void updateDownloadAreaLabel() {
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147 | if (currentArea == null) {
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148 | lblCurrentDownloadArea.setText(tr("<html>There is currently no download area selected.</html>"));
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149 | } else {
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150 | lblCurrentDownloadArea.setText(tr("<html><strong>Current download area</strong> (minlon, minlat, maxlon, maxlat): </html>"));
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151 | bboxDisplay.setText(currentArea.toBBox().toStringCSV(","));
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152 | }
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153 | }
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154 |
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155 | /**
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156 | * Sets the current download area
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157 | *
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158 | * @param area the download area.
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159 | */
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160 | @Override
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161 | public void setDownloadArea(Bounds area) {
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162 | if (area == null)
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163 | return;
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164 | this.currentArea = area;
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165 | bookmarks.clearSelection();
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166 | updateDownloadAreaLabel();
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167 | actAdd.setEnabled(true);
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168 | }
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169 |
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170 | /**
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171 | * The action to add a new bookmark for the current download area.
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172 | *
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173 | */
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174 | class AddAction extends AbstractAction {
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175 | AddAction() {
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176 | putValue(NAME, tr("Create bookmark"));
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177 | putValue(SMALL_ICON, ImageProvider.get("dialogs", "bookmark-new"));
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178 | putValue(SHORT_DESCRIPTION, tr("Add a bookmark for the currently selected download area"));
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179 | }
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180 |
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181 | @Override
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182 | public void actionPerformed(ActionEvent e) {
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183 | if (currentArea == null) {
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184 | JOptionPane.showMessageDialog(
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185 | Main.parent,
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186 | tr("Currently, there is no download area selected. Please select an area first."),
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187 | tr("Information"),
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188 | JOptionPane.INFORMATION_MESSAGE
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189 | );
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190 | return;
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191 | }
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192 | Bookmark b = new Bookmark();
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193 | b.setName(
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194 | JOptionPane.showInputDialog(
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195 | Main.parent, tr("Please enter a name for the bookmarked download area."),
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196 | tr("Name of location"),
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197 | JOptionPane.QUESTION_MESSAGE)
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198 | );
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199 | b.setArea(currentArea);
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200 | if (b.getName() != null && !b.getName().isEmpty()) {
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201 | ((DefaultListModel<BookmarkList.Bookmark>) bookmarks.getModel()).addElement(b);
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202 | bookmarks.save();
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203 | }
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204 | }
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205 | }
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206 |
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207 | class RemoveAction extends AbstractAction implements ListSelectionListener {
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208 | /**
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209 | * Constructs a new {@code RemoveAction}.
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210 | */
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211 | RemoveAction() {
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212 | putValue(SMALL_ICON, ImageProvider.get("dialogs", "delete"));
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213 | putValue(SHORT_DESCRIPTION, tr("Remove the currently selected bookmarks"));
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214 | updateEnabledState();
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215 | }
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216 |
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217 | @Override
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218 | public void actionPerformed(ActionEvent e) {
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219 | List<Bookmark> sels = bookmarks.getSelectedValuesList();
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220 | if (sels == null || sels.isEmpty())
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221 | return;
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222 | for (Object sel: sels) {
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223 | ((DefaultListModel<Bookmark>) bookmarks.getModel()).removeElement(sel);
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224 | }
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225 | bookmarks.save();
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226 | }
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227 |
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228 | protected final void updateEnabledState() {
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229 | setEnabled(bookmarks.getSelectedIndices().length > 0);
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230 | }
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231 |
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232 | @Override
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233 | public void valueChanged(ListSelectionEvent e) {
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234 | updateEnabledState();
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235 | }
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236 | }
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237 |
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238 | class RenameAction extends AbstractAction implements ListSelectionListener {
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239 | /**
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240 | * Constructs a new {@code RenameAction}.
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241 | */
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242 | RenameAction() {
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243 | putValue(SMALL_ICON, ImageProvider.get("dialogs", "edit"));
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244 | putValue(SHORT_DESCRIPTION, tr("Rename the currently selected bookmark"));
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245 | updateEnabledState();
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246 | }
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247 |
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248 | @Override
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249 | public void actionPerformed(ActionEvent e) {
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250 | List<Bookmark> sels = bookmarks.getSelectedValuesList();
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251 | if (sels == null || sels.size() != 1)
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252 | return;
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253 | Bookmark b = sels.get(0);
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254 | Object value =
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255 | JOptionPane.showInputDialog(
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256 | Main.parent, tr("Please enter a name for the bookmarked download area."),
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257 | tr("Name of location"),
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258 | JOptionPane.QUESTION_MESSAGE,
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259 | null,
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260 | null,
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261 | b.getName()
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262 | );
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263 | if (value != null) {
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264 | b.setName(value.toString());
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265 | bookmarks.save();
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266 | bookmarks.repaint();
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267 | }
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268 | }
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269 |
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270 | protected final void updateEnabledState() {
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271 | setEnabled(bookmarks.getSelectedIndices().length == 1);
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272 | }
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273 |
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274 | @Override
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275 | public void valueChanged(ListSelectionEvent e) {
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276 | updateEnabledState();
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277 | }
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278 | }
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279 |
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280 | class DoubleClickAdapter extends MouseAdapter {
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281 | @Override
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282 | public void mouseClicked(MouseEvent e) {
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283 | if (!(SwingUtilities.isLeftMouseButton(e) && e.getClickCount() == 2))
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284 | return;
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285 | int idx = bookmarks.locationToIndex(e.getPoint());
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286 | if (idx < 0 || idx >= bookmarks.getModel().getSize())
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287 | return;
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288 | Bookmark b = bookmarks.getModel().getElementAt(idx);
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289 | parent.startDownload(b.getArea());
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290 | }
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291 | }
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292 | }
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