src/main/java/eu/svjatoslav/instantlauncher/menu/MultiLevelMenu.java

   1 package eu.svjatoslav.instantlauncher.menu;
   2
   3 import java.awt.BorderLayout;
   4 import java.awt.Color;
   5 import java.awt.Dimension;
   6 import java.io.File;
   7 import java.io.IOException;
   8 import java.util.ArrayList;
   9
  10 import javax.swing.Box;
  11 import javax.swing.BoxLayout;
  12 import javax.swing.JPanel;
  13
  14 import eu.svjatoslav.commons.gui.dialog.ExceptionDialog;
  15 import eu.svjatoslav.instantlauncher.FileAssociationManager;
  16 import eu.svjatoslav.instantlauncher.InstantLauncher;
  17 import eu.svjatoslav.instantlauncher.Utils;
  18
  19 public class MultiLevelMenu implements MenuListener {
  20
  21         private final InstantLauncher instantLauncher;
  22
  23         private static final int VERTICAL_MENUS_COUNT = 7;
  24
  25         public static final Dimension CONTENT_PANEL_SIZE = new Dimension(1024, 900);
  26
  27         ArrayList<Menu> menus = new ArrayList<Menu>();
  28
  29         ArrayList<JPanel> panels = new ArrayList<JPanel>();
  30         JPanel contentPane;
  31
  32         public MultiLevelMenu(final InstantLauncher instantLauncher) {
  33                 this.instantLauncher = instantLauncher;
  34         }
  35
  36         /**
  37          * Adds new vertical menu.
  38          *
  39          * @return <code>true</code> if operation succeeded, or <code>false</code>
  40          *         if there was not enough space left for a new menu.
  41          */
  42         public boolean addMenu(final File directory) {
  43                 final int newMenuHorizontalIndex = menus.size();
  44
  45                 if (newMenuHorizontalIndex >= VERTICAL_MENUS_COUNT)
  46                         return false;
  47
  48                 final Menu menu = new Menu(directory);
  49                 menu.addMenuListener(this);
  50
  51                 final JPanel placeholderPanel = panels.get(newMenuHorizontalIndex);
  52                 final JPanel menuPanel = menu.getMenuPanel();
  53                 placeholderPanel.add(menuPanel, BorderLayout.CENTER);
  54
  55                 menus.add(menu);
  56                 return true;
  57         }
  58
  59         public JPanel buildContentPanel() {
  60
  61                 contentPane = new JPanel();
  62                 contentPane.setBackground(Color.BLACK);
  63                 contentPane.setLayout(new BoxLayout(contentPane, BoxLayout.X_AXIS));
  64                 Utils.setComponentSize(contentPane, CONTENT_PANEL_SIZE);
  65
  66                 // initialize panels
  67                 for (int i = 0; i < VERTICAL_MENUS_COUNT; i++) {
  68                         contentPane.add(Box.createHorizontalStrut(10));
  69
  70                         final JPanel panel = new JPanel(new BorderLayout());
  71                         panel.setBackground(Color.BLACK);
  72
  73                         Utils.setComponentSize(panel, Menu.SIZE_MENU_PANEL);
  74
  75                         panels.add(panel);
  76                         contentPane.add(panel);
  77                 }
  78
  79                 final File directory = instantLauncher.configuration.getRootDirectory();
  80                 addMenu(directory);
  81
  82                 return contentPane;
  83         }
  84
  85         public int getMenuIndex(final Menu menu) {
  86                 int i = 0;
  87                 for (final Menu m : menus) {
  88                         if (m == menu)
  89                                 return i;
  90                         i++;
  91                 }
  92                 return -1;
  93         }
  94
  95         @Override
  96         public void menuItemHighlighted(final Menu menu, final File chosenFile) {
  97
  98                 if (chosenFile.isDirectory()) {
  99                         final int menuIndex = getMenuIndex(menu);
 100
 101                         if (menuIndex >= 0) {
 102                                 removeMenus(menuIndex + 1);
 103                                 if (addMenu(chosenFile)) {
 104                                         contentPane.validate();
 105                                         contentPane.repaint();
 106                                 }
 107                         }
 108                 }
 109
 110         }
 111
 112         @Override
 113         public void menuItemSelected(final Menu menu, final File chosenFile) {
 114                 if (chosenFile.isFile())
 115                         if (chosenFile.canExecute())
 116                                 executeCommand(chosenFile.getAbsolutePath());
 117                         else {
 118                                 final boolean fileOpened = FileAssociationManager.openFile(chosenFile);
 119                                 if (fileOpened)
 120                                         InstantLauncher.exitProgram();
 121                         }
 122
 123                 if (chosenFile.isDirectory()) {
 124                         executeCommand("nautilus", "-n", chosenFile.getAbsolutePath());
 125                 }
 126         }
 127
 128         private void executeCommand(String... c) {
 129                 try {
 130                         Runtime.getRuntime().exec(c);
 131                         InstantLauncher.exitProgram();
 132
 133                 } catch (final IOException e) {
 134                         new ExceptionDialog(e);
 135                 }
 136         }
 137
 138         @Override
 139         public void menuItemSelectedAlternative(final Menu menu, final File chosenFile) {
 140                 if (chosenFile.isFile())
 141                         chosenFile.setExecutable(!chosenFile.canExecute());
 142                 else {
 143                         executeCommand("gnome-terminal", "--working-directory=" + chosenFile.getAbsolutePath());
 144                 }
 145         }
 146
 147         public void removeMenus(final int fromIndex) {
 148
 149                 for (int i = fromIndex; i < menus.size(); i++) {
 150                         final JPanel jPanel = panels.get(i);
 151                         jPanel.removeAll();
 152                 }
 153
 154                 while (menus.size() > fromIndex)
 155                         menus.remove(fromIndex);
 156         }
 157
 158         @Override
 159         public void menuItemSelectedAlternative2(Menu menu, File chosenFile) {
 160                 if (chosenFile.isFile()) {
 161                         executeCommand("emacs", chosenFile.getAbsolutePath());
 162                 }
 163         }
 164
 165 }