public SwingInstall() {
installer = new Install();
osTasks = OperatingSystem.getOperatingSystem().getOSTasks(installer);
appName = installer.getProperty("app.name");
setTitle(appName + " installer");
JPanel content = new JPanel(new WizardLayout());
setContentPane(content);
caption = new JLabel();
caption.setFont(new Font("SansSerif", Font.BOLD, 18));
ActionHandler actionHandler = new ActionHandler();
cancelButton = new JButton("Cancel");
cancelButton.setRequestFocusEnabled(false);
cancelButton.addActionListener(actionHandler);
prevButton = new JButton("Previous");
prevButton.setRequestFocusEnabled(false);
prevButton.addActionListener(actionHandler);
nextButton = new JButton();
nextButton.setRequestFocusEnabled(false);
nextButton.addActionListener(actionHandler);
content.add(caption);
content.add(cancelButton);
content.add(prevButton);
content.add(nextButton);
String clazz = OperatingSystem.getOperatingSystem().getClass().getName();
String completedInfo = "done-" + clazz.substring(clazz.indexOf('$') + 1) + ".html";
pages =
new Component[] {
chooseDirectory = new ChooseDirectory(),
progress = new SwingProgress(),
new TextPanel(completedInfo)
};
selectComponents = new SelectComponents();
for (int i = 0; i < pages.length; i++) content.add(pages[i]);
pageChanged();
setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
addWindowListener(new WindowHandler());
Dimension screen = getToolkit().getScreenSize();
pack();
setLocation((screen.width - getSize().width) / 2, (screen.height - getSize().height) / 2);
setVisible(true);
}
/** Eine Seite, die sich im RAM befindet, anhand der pteRAMlist auswählen und zurückgeben */
public PageTableEntry selectNextRAMpteAndReplace(PageTableEntry newPte) {
if (os.getReplacementAlgorithm() == OperatingSystem.ImplementedReplacementAlgorithms.CLOCK) {
return clockAlgorithm(newPte);
} else {
if (os.getReplacementAlgorithm() == OperatingSystem.ImplementedReplacementAlgorithms.FIFO) {
return fifoAlgorithm(newPte);
} else {
return randomAlgorithm(newPte);
}
}
}
private JPanel createCompPanel() {
filesets = new Vector();
int count = installer.getIntegerProperty("comp.count");
JPanel panel = new JPanel(new GridLayout(count, 1));
String osClass = OperatingSystem.getOperatingSystem().getClass().getName();
osClass = osClass.substring(osClass.indexOf('$') + 1);
for (int i = 0; i < count; i++) {
String os = installer.getProperty("comp." + i + ".os");
if (os != null && !osClass.equals(os)) continue;
JCheckBox checkBox =
new JCheckBox(
installer.getProperty("comp." + i + ".name")
+ " ("
+ installer.getProperty("comp." + i + ".disk-size")
+ "Mb)");
checkBox.getModel().setSelected(true);
checkBox.addActionListener(this);
checkBox.setRequestFocusEnabled(false);
filesets.addElement(new Integer(i));
panel.add(checkBox);
}
Dimension dim = panel.getPreferredSize();
dim.width = Integer.MAX_VALUE;
panel.setMaximumSize(dim);
return panel;
}
/**
* FIFO-Algorithmus: Auswahl = Listenkopf (1. Element) Anschließend Listenkopf löschen, neue Seite
* (newPte) an Liste anhängen
*/
private PageTableEntry fifoAlgorithm(PageTableEntry newPte) {
PageTableEntry pte; // Auswahl
pte = (PageTableEntry) pteRAMlist.getFirst();
os.testOut("Prozess " + pid + ": FIFO-Algorithmus hat pte ausgewählt: " + pte.virtPageNum);
pteRAMlist.removeFirst();
pteRAMlist.add(newPte);
return pte;
}
/** RANDOM-Algorithmus: Zufällige Auswahl */
private PageTableEntry randomAlgorithm(PageTableEntry newPte) {
/* TODO:RANDOM Algorithmus */
PageTableEntry pte; // Auswahl
final int randomIndex = new Random().nextInt(pteRAMlist.size());
pte = (PageTableEntry) pteRAMlist.get(randomIndex);
os.testOut("Prozess " + pid + ": Random-Algorithmus hat pte ausgewählt: " + pte.virtPageNum);
pteRAMlist.remove(randomIndex);
pteRAMlist.add(newPte);
return pte;
}
/**
* CLOCK-Algorithmus (Second-Chance): Nächstes Listenelement, ausgehend vom aktuellen Index, mit
* Referenced-Bit = 0 (false) auswählen Sonst R-Bit auf 0 setzen und nächstes Element in der
* pteRAMlist untersuchen. Anschließend die ausgewählte Seite durch die neue Seite (newPte) am
* selben Listenplatz ersetzen
*/
private PageTableEntry clockAlgorithm(PageTableEntry newPte) {
PageTableEntry pte; // Aktuell untersuchter Seitentabelleneintrag
// Immer ab altem "Uhrzeigerstand" weitersuchen
pte = (PageTableEntry) pteRAMlist.get(pteRAMlistIndex);
// Suche den nächsten Eintrag mit referenced == false (R-Bit = 0)
while (pte.referenced == true) {
// Seite wurde referenziert, also nicht auswählen, sondern R-Bit
// zurücksetzen
os.testOut(
"Prozess "
+ pid
+ ": CLOCK-Algorithmus! --- pte.vpn: "
+ pte.virtPageNum
+ " ref: "
+ pte.referenced);
pte.referenced = false;
incrementPteRAMlistIndex();
pte = (PageTableEntry) pteRAMlist.get(pteRAMlistIndex);
}
// Seite ausgewählt! (--> pteRAMlistIndex)
// Alte Seite gegen neue in pteRAMlist austauschen
pteRAMlist.remove(pteRAMlistIndex);
pteRAMlist.add(pteRAMlistIndex, newPte);
// Index auf Nachfolger setzen
incrementPteRAMlistIndex();
os.testOut(
"Prozess "
+ pid
+ ": CLOCK-Algorithmus hat pte ausgewählt: "
+ pte.virtPageNum
+ " Neuer pteRAMlistIndex ist "
+ pteRAMlistIndex);
return pte;
}
ChooseDirectory() {
super(new BorderLayout());
osTaskDirs = new HashMap();
JPanel directoryPanel =
new JPanel(new VariableGridLayout(VariableGridLayout.FIXED_NUM_COLUMNS, 3, 12, 12));
installDir =
addField(
directoryPanel,
"Install program in:",
OperatingSystem.getOperatingSystem().getInstallDirectory(appName));
for (int i = 0; i < osTasks.length; i++) {
OperatingSystem.OSTask osTask = osTasks[i];
String label = osTask.getLabel();
if (label != null) {
JTextField field = addField(directoryPanel, label, osTask.getDirectory());
osTaskDirs.put(osTask, field);
}
}
ChooseDirectory.this.add(BorderLayout.NORTH, directoryPanel);
}
/** Pte in pteRAMlist eintragen, wenn sich die Zahl der RAM-Seiten des Prozesses erhöht hat. */
public void pteRAMlistInsert(PageTableEntry pte) {
os.testOut(
"pteRAMlistInsert in Prozess " + pid + ": pte mit vpn " + pte.virtPageNum + " angefügt!");
pteRAMlist.add(pte);
}
// {{{ HyperSearchResults constructor
public HyperSearchResults(View view) {
super(new BorderLayout());
this.view = view;
caption = new JLabel();
Box toolBar = new Box(BoxLayout.X_AXIS);
toolBar.add(caption);
toolBar.add(Box.createGlue());
ActionHandler ah = new ActionHandler();
highlight = new RolloverButton();
highlight.setToolTipText(jEdit.getProperty("hypersearch-results.highlight.label"));
highlight.addActionListener(ah);
toolBar.add(highlight);
clear =
new RolloverButton(
GUIUtilities.loadIcon(jEdit.getProperty("hypersearch-results.clear.icon")));
clear.setToolTipText(jEdit.getProperty("hypersearch-results.clear.label"));
clear.addActionListener(ah);
toolBar.add(clear);
multi = new RolloverButton();
multi.setToolTipText(jEdit.getProperty("hypersearch-results.multi.label"));
multi.addActionListener(ah);
toolBar.add(multi);
stop =
new RolloverButton(
GUIUtilities.loadIcon(jEdit.getProperty("hypersearch-results.stop.icon")));
stop.setToolTipText(jEdit.getProperty("hypersearch-results.stop.label"));
stop.addActionListener(ah);
toolBar.add(stop);
stop.setEnabled(false);
add(BorderLayout.NORTH, toolBar);
resultTreeRoot = new DefaultMutableTreeNode();
resultTreeModel = new DefaultTreeModel(resultTreeRoot);
resultTree = new HighlightingTree(resultTreeModel);
resultTree.setToolTipText(null);
resultTree.setCellRenderer(new ResultCellRenderer());
resultTree.setVisibleRowCount(16);
resultTree.setRootVisible(false);
resultTree.setShowsRootHandles(true);
// the ESCAPE keystroke is assigned to hideTip action by swing
// it breaks the action usually assigned to close-docking-area by jEdit,
// so we remove this keystroke binding bug #1955140
KeyStroke keyStroke = KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0);
resultTree.getInputMap().remove(keyStroke);
// looks bad with the OS X L&F, apparently...
if (!OperatingSystem.isMacOSLF()) resultTree.putClientProperty("JTree.lineStyle", "Angled");
resultTree.setEditable(false);
resultTree.addKeyListener(new KeyHandler());
resultTree.addMouseListener(new MouseHandler());
JScrollPane scrollPane = new JScrollPane(resultTree);
Dimension dim = scrollPane.getPreferredSize();
dim.width = 400;
scrollPane.setPreferredSize(dim);
add(BorderLayout.CENTER, scrollPane);
resultTree.setTransferHandler(new ResultTreeTransferHandler());
} // }}}