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 = 5;
  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 menuItemSelected(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         if (chosenFile.isFile()) {
 111
 112             if (chosenFile.canExecute()) {
 113                 try {
 114                     // Execute a command without arguments
 115                     final String command = chosenFile.getAbsolutePath();
 116
 117                     final String[] c = new String[1];
 118                     c[0] = command;
 119
 120                     Runtime.getRuntime().exec(c);
 121                     InstantLauncher.exitProgram();
 122                 } catch (final IOException e) {
 123                     ExceptionDialog.showException(e);
 124                 }
 125
 126             } else {
 127                 final boolean fileOpened = FileAssociationManager.openFile(chosenFile);
 128                 if (fileOpened) {
 129                     InstantLauncher.exitProgram();
 130                 }
 131             }
 132         }
 133     }
 134
 135     @Override
 136     public void menuItemSelectedAlternative(final Menu menu, final File chosenFile) {
 137         if (chosenFile.isDirectory()) {
 138             // Execute a command without arguments
 139             final String directoryPath = chosenFile.getAbsolutePath();
 140
 141             final String[] c = new String[2];
 142             c[0] = "nautilus";
 143             c[1] = directoryPath;
 144
 145             try {
 146                 Runtime.getRuntime().exec(c);
 147                 InstantLauncher.exitProgram();
 148
 149             } catch (final IOException e) {
 150                 ExceptionDialog.showException(e);
 151             }
 152         } else {
 153             chosenFile.setExecutable(!chosenFile.canExecute());
 154         }
 155     }
 156
 157     public void removeMenus(final int fromIndex) {
 158
 159         for (int i = fromIndex; i < menus.size(); i++) {
 160             final JPanel jPanel = panels.get(i);
 161             jPanel.removeAll();
 162         }
 163
 164         while (menus.size() > fromIndex) {
 165             menus.remove(fromIndex);
 166         }
 167     }
 168
 169 }