1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.actions;
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3 |
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4 | import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
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5 | import static org.openstreetmap.josm.tools.I18n.tr;
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6 |
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7 | import java.awt.Component;
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8 | import java.awt.Dimension;
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9 | import java.awt.GridBagLayout;
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10 | import java.awt.event.ActionEvent;
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11 | import java.io.File;
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12 | import java.io.IOException;
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13 | import java.util.ArrayList;
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14 | import java.util.Arrays;
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15 | import java.util.Collection;
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16 | import java.util.HashMap;
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17 | import java.util.HashSet;
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18 | import java.util.List;
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19 | import java.util.Map;
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20 | import java.util.Set;
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21 |
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22 | import javax.swing.BorderFactory;
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23 | import javax.swing.JCheckBox;
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24 | import javax.swing.JFileChooser;
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25 | import javax.swing.JLabel;
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26 | import javax.swing.JOptionPane;
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27 | import javax.swing.JPanel;
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28 | import javax.swing.JScrollPane;
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29 | import javax.swing.JTabbedPane;
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30 | import javax.swing.SwingConstants;
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31 | import javax.swing.border.EtchedBorder;
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32 | import javax.swing.filechooser.FileFilter;
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33 |
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34 | import org.openstreetmap.josm.Main;
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35 | import org.openstreetmap.josm.gui.ExtendedDialog;
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36 | import org.openstreetmap.josm.gui.HelpAwareOptionPane;
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37 | import org.openstreetmap.josm.gui.MapFrame;
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38 | import org.openstreetmap.josm.gui.MapFrameListener;
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39 | import org.openstreetmap.josm.gui.layer.Layer;
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40 | import org.openstreetmap.josm.gui.widgets.AbstractFileChooser;
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41 | import org.openstreetmap.josm.io.session.SessionLayerExporter;
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42 | import org.openstreetmap.josm.io.session.SessionWriter;
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43 | import org.openstreetmap.josm.tools.GBC;
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44 | import org.openstreetmap.josm.tools.MultiMap;
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45 | import org.openstreetmap.josm.tools.UserCancelException;
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46 | import org.openstreetmap.josm.tools.Utils;
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47 | import org.openstreetmap.josm.tools.WindowGeometry;
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48 |
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49 | /**
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50 | * Saves a JOSM session
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51 | * @since 4685
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52 | */
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53 | public class SessionSaveAsAction extends DiskAccessAction implements MapFrameListener {
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54 |
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55 | private transient List<Layer> layers;
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56 | private transient Map<Layer, SessionLayerExporter> exporters;
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57 | private transient MultiMap<Layer, Layer> dependencies;
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58 |
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59 | /**
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60 | * Constructs a new {@code SessionSaveAsAction}.
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61 | */
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62 | public SessionSaveAsAction() {
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63 | this(true, true);
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64 | }
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65 |
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66 | /**
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67 | * Constructs a new {@code SessionSaveAsAction}.
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68 | * @param toolbar Register this action for the toolbar preferences?
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69 | * @param installAdapters False, if you don't want to install layer changed and selection changed adapters
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70 | */
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71 | protected SessionSaveAsAction(boolean toolbar, boolean installAdapters) {
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72 | super(tr("Save Session As..."), "session", tr("Save the current session to a new file."),
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73 | null, toolbar, "save_as-session", installAdapters);
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74 | putValue("help", ht("/Action/SessionSaveAs"));
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75 | Main.addMapFrameListener(this);
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76 | }
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77 |
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78 | @Override
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79 | public void actionPerformed(ActionEvent e) {
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80 | try {
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81 | saveSession();
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82 | } catch (UserCancelException ignore) {
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83 | Main.trace(ignore);
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84 | }
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85 | }
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86 |
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87 | /**
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88 | * Attempts to save the session.
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89 | * @throws UserCancelException when the user has cancelled the save process.
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90 | * @since 8913
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91 | */
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92 | public void saveSession() throws UserCancelException {
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93 | if (!isEnabled()) {
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94 | return;
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95 | }
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96 |
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97 | SessionSaveAsDialog dlg = new SessionSaveAsDialog();
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98 | dlg.showDialog();
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99 | if (dlg.getValue() != 1) {
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100 | throw new UserCancelException();
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101 | }
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102 |
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103 | boolean zipRequired = false;
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104 | for (Layer l : layers) {
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105 | SessionLayerExporter ex = exporters.get(l);
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106 | if (ex != null && ex.requiresZip()) {
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107 | zipRequired = true;
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108 | break;
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109 | }
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110 | }
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111 |
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112 | FileFilter joz = new ExtensionFileFilter("joz", "joz", tr("Session file (archive) (*.joz)"));
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113 | FileFilter jos = new ExtensionFileFilter("jos", "jos", tr("Session file (*.jos)"));
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114 |
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115 | AbstractFileChooser fc;
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116 |
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117 | if (zipRequired) {
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118 | fc = createAndOpenFileChooser(false, false, tr("Save session"), joz, JFileChooser.FILES_ONLY, "lastDirectory");
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119 | } else {
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120 | fc = createAndOpenFileChooser(false, false, tr("Save session"), Arrays.asList(new FileFilter[]{jos, joz}), jos,
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121 | JFileChooser.FILES_ONLY, "lastDirectory");
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122 | }
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123 |
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124 | if (fc == null) {
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125 | throw new UserCancelException();
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126 | }
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127 |
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128 | File file = fc.getSelectedFile();
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129 | String fn = file.getName();
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130 |
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131 | boolean zip;
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132 | FileFilter ff = fc.getFileFilter();
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133 | if (zipRequired || joz.equals(ff)) {
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134 | zip = true;
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135 | } else if (jos.equals(ff)) {
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136 | zip = false;
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137 | } else {
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138 | if (Utils.hasExtension(fn, "joz")) {
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139 | zip = true;
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140 | } else {
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141 | zip = false;
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142 | }
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143 | }
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144 | if (fn.indexOf('.') == -1) {
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145 | file = new File(file.getPath() + (zip ? ".joz" : ".jos"));
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146 | if (!SaveActionBase.confirmOverwrite(file)) {
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147 | throw new UserCancelException();
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148 | }
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149 | }
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150 |
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151 | List<Layer> layersOut = new ArrayList<>();
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152 | for (Layer layer : layers) {
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153 | if (exporters.get(layer) == null || !exporters.get(layer).shallExport()) continue;
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154 | // TODO: resolve dependencies for layers excluded by the user
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155 | layersOut.add(layer);
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156 | }
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157 |
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158 | int active = -1;
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159 | Layer activeLayer = Main.getLayerManager().getActiveLayer();
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160 | if (activeLayer != null) {
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161 | active = layersOut.indexOf(activeLayer);
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162 | }
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163 |
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164 | SessionWriter sw = new SessionWriter(layersOut, active, exporters, dependencies, zip);
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165 | try {
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166 | sw.write(file);
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167 | SaveActionBase.addToFileOpenHistory(file);
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168 | } catch (IOException ex) {
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169 | Main.error(ex);
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170 | HelpAwareOptionPane.showMessageDialogInEDT(
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171 | Main.parent,
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172 | tr("<html>Could not save session file ''{0}''.<br>Error is:<br>{1}</html>", file.getName(), ex.getMessage()),
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173 | tr("IO Error"),
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174 | JOptionPane.ERROR_MESSAGE,
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175 | null
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176 | );
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177 | }
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178 | }
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179 |
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180 | /**
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181 | * The "Save Session" dialog
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182 | */
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183 | public class SessionSaveAsDialog extends ExtendedDialog {
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184 |
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185 | /**
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186 | * Constructs a new {@code SessionSaveAsDialog}.
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187 | */
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188 | public SessionSaveAsDialog() {
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189 | super(Main.parent, tr("Save Session"), new String[] {tr("Save As"), tr("Cancel")});
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190 | initialize();
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191 | setButtonIcons(new String[] {"save_as", "cancel"});
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192 | setDefaultButton(1);
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193 | setRememberWindowGeometry(getClass().getName() + ".geometry",
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194 | WindowGeometry.centerInWindow(Main.parent, new Dimension(350, 450)));
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195 | setContent(build(), false);
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196 | }
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197 |
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198 | /**
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199 | * Initializes action.
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200 | */
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201 | public final void initialize() {
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202 | layers = new ArrayList<>(Main.getLayerManager().getLayers());
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203 | exporters = new HashMap<>();
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204 | dependencies = new MultiMap<>();
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205 |
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206 | Set<Layer> noExporter = new HashSet<>();
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207 |
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208 | for (Layer layer : layers) {
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209 | SessionLayerExporter exporter = SessionWriter.getSessionLayerExporter(layer);
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210 | if (exporter != null) {
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211 | exporters.put(layer, exporter);
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212 | Collection<Layer> deps = exporter.getDependencies();
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213 | if (deps != null) {
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214 | dependencies.putAll(layer, deps);
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215 | } else {
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216 | dependencies.putVoid(layer);
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217 | }
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218 | } else {
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219 | noExporter.add(layer);
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220 | exporters.put(layer, null);
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221 | }
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222 | }
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223 |
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224 | int numNoExporter = 0;
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225 | WHILE: while (numNoExporter != noExporter.size()) {
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226 | numNoExporter = noExporter.size();
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227 | for (Layer layer : layers) {
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228 | if (noExporter.contains(layer)) continue;
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229 | for (Layer depLayer : dependencies.get(layer)) {
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230 | if (noExporter.contains(depLayer)) {
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231 | noExporter.add(layer);
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232 | exporters.put(layer, null);
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233 | break WHILE;
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234 | }
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235 | }
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236 | }
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237 | }
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238 | }
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239 |
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240 | protected final Component build() {
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241 | JPanel ip = new JPanel(new GridBagLayout());
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242 | for (Layer layer : layers) {
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243 | JPanel wrapper = new JPanel(new GridBagLayout());
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244 | wrapper.setBorder(BorderFactory.createEtchedBorder(EtchedBorder.RAISED));
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245 | Component exportPanel;
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246 | SessionLayerExporter exporter = exporters.get(layer);
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247 | if (exporter == null) {
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248 | if (!exporters.containsKey(layer)) throw new AssertionError();
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249 | exportPanel = getDisabledExportPanel(layer);
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250 | } else {
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251 | exportPanel = exporter.getExportPanel();
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252 | }
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253 | wrapper.add(exportPanel, GBC.std().fill(GBC.HORIZONTAL));
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254 | ip.add(wrapper, GBC.eol().fill(GBC.HORIZONTAL).insets(2, 2, 4, 2));
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255 | }
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256 | ip.add(GBC.glue(0, 1), GBC.eol().fill(GBC.VERTICAL));
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257 | JScrollPane sp = new JScrollPane(ip);
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258 | sp.setBorder(BorderFactory.createEmptyBorder());
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259 | JPanel p = new JPanel(new GridBagLayout());
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260 | p.add(sp, GBC.eol().fill());
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261 | final JTabbedPane tabs = new JTabbedPane();
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262 | tabs.addTab(tr("Layers"), p);
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263 | return tabs;
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264 | }
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265 |
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266 | protected final Component getDisabledExportPanel(Layer layer) {
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267 | JPanel p = new JPanel(new GridBagLayout());
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268 | JCheckBox include = new JCheckBox();
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269 | include.setEnabled(false);
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270 | JLabel lbl = new JLabel(layer.getName(), layer.getIcon(), SwingConstants.LEFT);
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271 | lbl.setToolTipText(tr("No exporter for this layer"));
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272 | lbl.setLabelFor(include);
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273 | lbl.setEnabled(false);
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274 | p.add(include, GBC.std());
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275 | p.add(lbl, GBC.std());
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276 | p.add(GBC.glue(1, 0), GBC.std().fill(GBC.HORIZONTAL));
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277 | return p;
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278 | }
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279 | }
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280 |
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281 | @Override
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282 | protected void updateEnabledState() {
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283 | setEnabled(Main.isDisplayingMapView());
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284 | }
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285 |
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286 | @Override
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287 | public void mapFrameInitialized(MapFrame oldFrame, MapFrame newFrame) {
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288 | updateEnabledState();
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289 | }
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290 | }
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