]> gitweb.fperrin.net Git - GpsPrune.git/blobdiff - tim/prune/function/cache/ManageCacheFunction.java
Moved source into separate src directory due to popular request
[GpsPrune.git] / tim / prune / function / cache / ManageCacheFunction.java
diff --git a/tim/prune/function/cache/ManageCacheFunction.java b/tim/prune/function/cache/ManageCacheFunction.java
deleted file mode 100644 (file)
index 5431e9e..0000000
+++ /dev/null
@@ -1,414 +0,0 @@
-package tim.prune.function.cache;
-
-import java.awt.BorderLayout;
-import java.awt.CardLayout;
-import java.awt.Dimension;
-import java.awt.FlowLayout;
-import java.awt.GridBagConstraints;
-import java.awt.GridBagLayout;
-import java.awt.Insets;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-import java.io.File;
-
-import javax.swing.BorderFactory;
-import javax.swing.Box;
-import javax.swing.BoxLayout;
-import javax.swing.ButtonGroup;
-import javax.swing.JButton;
-import javax.swing.JDialog;
-import javax.swing.JLabel;
-import javax.swing.JOptionPane;
-import javax.swing.JPanel;
-import javax.swing.JProgressBar;
-import javax.swing.JRadioButton;
-import javax.swing.JScrollPane;
-import javax.swing.JTable;
-import javax.swing.ListSelectionModel;
-import javax.swing.event.ChangeEvent;
-import javax.swing.event.ChangeListener;
-import javax.swing.event.ListSelectionEvent;
-import javax.swing.event.ListSelectionListener;
-
-import tim.prune.App;
-import tim.prune.GenericFunction;
-import tim.prune.I18nManager;
-import tim.prune.config.Config;
-import tim.prune.gui.WholeNumberField;
-
-/**
- * Function class to manage the tile cache on local disk
- */
-public class ManageCacheFunction extends GenericFunction implements Runnable
-{
-       private JDialog _dialog = null;
-       private CardLayout _cards = null;
-       private JPanel _cardPanel = null;
-       private JProgressBar _progressBar = null;
-       private File _cacheDir = null;
-       private TileCacheModel _model = null;
-       private JTable _setsTable = null;
-       private JButton _deleteSetButton = null;
-       private JLabel _tileSetLabel = null, _zoomLabel = null;
-       private JLabel _ageLabel = null;
-       private JRadioButton _deleteAllRadio = null;
-       private WholeNumberField _daysField = null;
-
-       private static TileFilter _TILEFILTER = new TileFilter();
-
-
-       /**
-        * Constructor
-        * @param inApp App object
-        */
-       public ManageCacheFunction(App inApp) {
-               super(inApp);
-       }
-
-       /**
-        * @return name key
-        */
-       public String getNameKey() {
-               return "function.managetilecache";
-       }
-
-       /**
-        * Show the dialog to start
-        */
-       public void begin()
-       {
-               // First check if directory even exists
-               _cacheDir = null;
-               String path = Config.getConfigString(Config.KEY_DISK_CACHE);
-               if (path != null && !path.equals("")) {
-                       _cacheDir = new File(path);
-               }
-               if (_cacheDir == null || !_cacheDir.exists() || !_cacheDir.isDirectory())
-               {
-                       _app.showErrorMessage(getNameKey(), "error.cache.notthere");
-                       return;
-               }
-
-               // Build the dialog if it hasn't already been built
-               if (_dialog == null)
-               {
-                       _dialog = new JDialog(_parentFrame, I18nManager.getText(getNameKey()), true); // modal
-                       _dialog.setLocationRelativeTo(_parentFrame);
-                       _cardPanel = makeContents();
-                       _dialog.getContentPane().add(_cardPanel);
-                       _dialog.pack();
-               }
-               // Start a new thread to build the model
-               new Thread(this).start();
-               // Show the first panel of the dialog including progress bar
-               _cards.first(_cardPanel);
-               _dialog.setVisible(true);
-       }
-
-
-       /**
-        * Make the components for the dialog
-        * @return contents inside a panel
-        */
-       private JPanel makeContents()
-       {
-               JPanel dialogPanel = new JPanel();
-               _cards = new CardLayout();
-               dialogPanel.setLayout(_cards);
-
-               // Make first card including progress bar
-               JPanel firstCard = new JPanel();
-               firstCard.setLayout(new BorderLayout());
-               JPanel progPanel = new JPanel();
-               progPanel.setLayout(new BoxLayout(progPanel, BoxLayout.Y_AXIS));
-               progPanel.add(Box.createVerticalGlue());
-               progPanel.add(new JLabel(I18nManager.getText("confirm.running")));
-               _progressBar = new JProgressBar(0, 10);
-               _progressBar.setIndeterminate(true);
-               progPanel.add(_progressBar);
-               progPanel.add(Box.createVerticalGlue());
-               firstCard.add(progPanel, BorderLayout.CENTER);
-               // Cancel button at bottom
-               JPanel buttonPanel = new JPanel();
-               buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
-               JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
-               cancelButton.addActionListener(new ActionListener() {
-                       public void actionPerformed(ActionEvent e) {
-                               // Cancel model building and close dialog
-                               if (_model != null) _model.cancel();
-                               _dialog.dispose();
-                       }
-               });
-               buttonPanel.add(cancelButton);
-               firstCard.add(buttonPanel, BorderLayout.SOUTH);
-               dialogPanel.add(firstCard, "card1");
-
-               // Make second card including tileset table
-               JPanel secondCard = new JPanel();
-               secondCard.setLayout(new BorderLayout());
-               // Table in the middle
-               JPanel midPanel = new JPanel();
-               midPanel.setLayout(new BorderLayout());
-               _setsTable = new JTable();
-               _setsTable.setPreferredScrollableViewportSize(new Dimension(500, 130));
-               _setsTable.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
-               midPanel.add(new JScrollPane(_setsTable), BorderLayout.CENTER);
-               midPanel.setBorder(BorderFactory.createEmptyBorder(8, 5, 8, 5));
-               secondCard.add(midPanel, BorderLayout.CENTER);
-               // Activate buttons if a tileset is selected
-               _setsTable.getSelectionModel().addListSelectionListener(
-                       new ListSelectionListener() {
-                               public void valueChanged(ListSelectionEvent e) {
-                                       ListSelectionModel lsm = (ListSelectionModel) e.getSource();
-                                       _deleteSetButton.setEnabled(!lsm.isSelectionEmpty());
-                               }
-                       });
-
-               // button panel at bottom
-               buttonPanel = new JPanel();
-               // left group
-               JPanel leftPanel = new JPanel();
-               leftPanel.setLayout(new FlowLayout(FlowLayout.LEFT));
-               _deleteSetButton = new JButton(I18nManager.getText("button.delete"));
-               _deleteSetButton.addActionListener(new ActionListener() {
-                       public void actionPerformed(ActionEvent arg0) {
-                               showDeleteCard();
-                       }
-               });
-               leftPanel.add(_deleteSetButton);
-               // right group
-               JPanel rightPanel = new JPanel();
-               rightPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
-               JButton closeButton = new JButton(I18nManager.getText("button.close"));
-               closeButton.addActionListener(new ActionListener() {
-                       public void actionPerformed(ActionEvent e) {
-                               if (_dialog != null) _dialog.dispose();
-                       }
-               });
-               rightPanel.add(closeButton);
-               buttonPanel.add(leftPanel, BorderLayout.WEST);
-               buttonPanel.add(rightPanel, BorderLayout.EAST);
-               secondCard.add(buttonPanel, BorderLayout.SOUTH);
-               dialogPanel.add(secondCard, "card2");
-
-               // Make third card including delete options
-               JPanel thirdCard = new JPanel();
-               thirdCard.setLayout(new BorderLayout());
-               // main panel
-               JPanel mainPanel = new JPanel();
-               GridBagLayout gridbag = new GridBagLayout();
-               GridBagConstraints c = new GridBagConstraints();
-               mainPanel.setLayout(gridbag);
-               c.gridx = 0; c.gridy = 0;
-               c.gridheight = 1; c.gridwidth = 2;
-               c.weightx = 0.0; c.weighty = 0.0;
-               c.anchor = GridBagConstraints.FIRST_LINE_START;
-               _tileSetLabel = new JLabel("dummy text to be replaced");
-               mainPanel.add(_tileSetLabel, c);
-               c.gridx = 0; c.gridy = 1;
-               c.ipady = 20;
-               _zoomLabel = new JLabel("dummy text to be replaced");
-               mainPanel.add(_zoomLabel, c);
-
-               JRadioButton deleteOldRadio = new JRadioButton(I18nManager.getText("dialog.diskcache.deleteold"));
-               _deleteAllRadio = new JRadioButton(I18nManager.getText("dialog.diskcache.deleteall"));
-               ButtonGroup bGroup = new ButtonGroup();
-               bGroup.add(_deleteAllRadio);
-               bGroup.add(deleteOldRadio);
-               _deleteAllRadio.addChangeListener(new ChangeListener() {
-                       public void stateChanged(ChangeEvent e) {
-                               enableAgeFields();
-                       }
-               });
-               c.gridx = 0; c.gridy = 2;
-               c.anchor = GridBagConstraints.LINE_START;
-               c.ipady = 0;
-               mainPanel.add(deleteOldRadio, c);
-               c.gridwidth = 1;
-               c.gridx = 0; c.gridy = 3;
-               c.insets = new Insets(0, 40, 0, 0);
-               _ageLabel = new JLabel(I18nManager.getText("dialog.diskcache.maximumage"));
-               mainPanel.add(_ageLabel, c);
-               _daysField = new WholeNumberField(2);
-               _daysField.setMinimumSize(new Dimension(20, 1));
-               _daysField.setText("30"); // default is 30 days
-               c.gridx = 1; c.gridy = 3;
-               c.ipadx = 20;
-               c.insets = new Insets(0, 15, 0, 0);
-               mainPanel.add(_daysField, c);
-               c.gridx = 0; c.gridy = 4;
-               c.gridwidth = 2;
-               c.ipadx = 0;
-               c.insets = new Insets(0, 0, 0, 0);
-               mainPanel.add(_deleteAllRadio, c);
-               _deleteAllRadio.setSelected(true);
-               thirdCard.add(mainPanel, BorderLayout.CENTER);
-               // button panel
-               buttonPanel = new JPanel();
-               buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
-               JButton deleteButton = new JButton(I18nManager.getText("button.delete"));
-               deleteButton.addActionListener(new ActionListener() {
-                       public void actionPerformed(ActionEvent arg0) {
-                               deleteCurrentSets();
-                       }
-               });
-               buttonPanel.add(deleteButton);
-               cancelButton = new JButton(I18nManager.getText("button.cancel"));
-               cancelButton.addActionListener(new ActionListener() {
-                       public void actionPerformed(ActionEvent e) {
-                               // Go back to second card
-                               _cards.show(_cardPanel, "card2");
-                       }
-               });
-               buttonPanel.add(cancelButton);
-               thirdCard.add(buttonPanel, BorderLayout.SOUTH);
-               dialogPanel.add(thirdCard, "card3");
-               return dialogPanel;
-       }
-
-
-       /**
-        * Construct the model in a separate thread
-        * and go on to the second panel of the dialog
-        */
-       public void run()
-       {
-               // TODO: Maybe this can be speeded up so that it just finds the tilesets first and then gets the details later
-               // Check if directory has anything in it
-               _model = new TileCacheModel(_cacheDir);
-               _model.buildTileSets();
-               if (_model.isAborted()) return;
-
-               if (_model.getNumTileSets() <= 0)
-               {
-                       _app.showErrorMessage(getNameKey(), "error.cache.empty");
-                       _dialog.dispose();
-                       return;
-               }
-
-               // Set controls according to current config
-               _setsTable.setModel(new TileSetTableModel(_model));
-               _deleteSetButton.setEnabled(false);
-               // Set column widths after model has been set
-               _setsTable.getColumnModel().getColumn(0).setPreferredWidth(220);
-               _setsTable.getColumnModel().getColumn(1).setPreferredWidth(200);
-               // Show second panel
-               _cards.next(_cardPanel);
-       }
-
-       /**
-        * Prepare and show the delete panel
-        */
-       private void showDeleteCard()
-       {
-               // set tileset label
-               int numSelected = 0;
-               String desc = null;
-               RowInfo totals = new RowInfo();
-               for (int i=0; i<_setsTable.getRowCount(); i++) {
-                       if (_setsTable.isRowSelected(i))
-                       {
-                               if (desc == null) desc = _model.getTileSet(i).getPath();
-                               totals.addRow(_model.getTileSet(i).getRowInfo());
-                               numSelected++;
-                       }
-               }
-               if (numSelected == 0) return;
-               String tileSetDesc = (numSelected == 1?desc:I18nManager.getText("dialog.diskcache.tileset.multiple"));
-               _tileSetLabel.setText(I18nManager.getText("dialog.diskcache.tileset") + " : "
-                       + tileSetDesc);
-               _zoomLabel.setText(I18nManager.getText("dialog.diskcache.table.zoom") + " : "
-                       + totals.getZoomRange());
-
-               // enable/disable edit fields
-               enableAgeFields();
-               // show the next card
-               _cards.next(_cardPanel);
-       }
-
-       /**
-        * Enable or disable the fields for entering tile age
-        */
-       private void enableAgeFields()
-       {
-               boolean showAgeBoxes = !_deleteAllRadio.isSelected();
-               _ageLabel.setEnabled(showAgeBoxes);
-               _daysField.setEnabled(showAgeBoxes);
-       }
-
-       /**
-        * Try to delete all the files in the currently selected tilesets
-        * (Maybe more than one tileset is selected in the table)
-        */
-       private void deleteCurrentSets()
-       {
-               // Determine age limit if given
-               int ageLimit = -1;
-               if (!_deleteAllRadio.isSelected()) {
-                       ageLimit = _daysField.getValue();
-               }
-               // Loop over selected tilesets and delete them
-               int totalDeleted = 0;
-               for (int i=0; i<_setsTable.getRowCount(); i++)
-               {
-                       if (_setsTable.isRowSelected(i))
-                       {
-                               File dir = new File(_model.getCacheDir(), _model.getTileSet(i).getPath());
-                               if (dir.exists())
-                               {
-                                       int numFilesDeleted = deleteFilesFrom(dir, ageLimit);
-                                       if (numFilesDeleted > 0) {
-                                               totalDeleted += numFilesDeleted;
-                                       }
-                               }
-                       }
-               }
-               if (totalDeleted > 0)
-               {
-                       // Show confirmation message
-                       JOptionPane.showMessageDialog(_dialog, I18nManager.getTextWithNumber("dialog.diskcache.deleted", totalDeleted),
-                               I18nManager.getText(getNameKey()), JOptionPane.INFORMATION_MESSAGE);
-                       // reload model
-                       _cards.first(_cardPanel);
-                       new Thread(this).start();
-               }
-               else {
-                       _app.showErrorMessage(getNameKey(), "error.cache.cannotdelete");
-               }
-       }
-
-
-       /**
-        * Delete recursively all files which are older than the age limit
-        * @param inDir directory to delete from
-        * @param inMaxDays age limit in days
-        * @return number of files deleted
-        */
-       private static int deleteFilesFrom(File inDir, int inMaxDays)
-       {
-               int numDeleted = 0;
-               long now = System.currentTimeMillis();
-               if (inDir.exists() && inDir.isDirectory())
-               {
-                       for (File subdir : inDir.listFiles())
-                       {
-                               if (subdir.isDirectory()) {
-                                       numDeleted += deleteFilesFrom(subdir, inMaxDays);
-                               }
-                               else if (subdir.isFile() && subdir.exists() && _TILEFILTER.accept(subdir))
-                               {
-                                       long fileAge = (now - subdir.lastModified()) / 1000 / 60 / 60 / 24;
-                                       if (inMaxDays < 0 || fileAge > inMaxDays)
-                                       {
-                                               if (subdir.delete()) {
-                                                       numDeleted++;
-                                               }
-                                       }
-                               }
-                       }
-                       // Try to delete the directory (doesn't work if not empty)
-                       inDir.delete();
-               }
-               return numDeleted;
-       }
-}