public ConstraintsGUI() {
this.rtTop = new RuleTree(null, false, false); // the Rules
this.rtTop.addParserGUIListener(this);
this.rtBottom = new RuleTree(null, true, false); // the Atomics
this.rtBottom.addParserGUIListener(this);
JSplitPane treePane = new JSplitPane(JSplitPane.VERTICAL_SPLIT);
treePane.setOneTouchExpandable(true);
treePane.setContinuousLayout(true);
JScrollPane tmpPane = new JScrollPane(this.rtTop.getTree());
tmpPane.setSize(170, 210);
tmpPane.setPreferredSize(new Dimension(170, 210));
treePane.setTopComponent(tmpPane);
tmpPane = new JScrollPane(this.rtBottom.getTree());
tmpPane.setSize(170, 210);
tmpPane.setPreferredSize(new Dimension(170, 210));
treePane.setBottomComponent(tmpPane);
treePane.getTopComponent().setSize(185, 300);
treePane.getBottomComponent().setSize(185, 300);
treePane.resetToPreferredSizes();
this.right = new RuleConstraint(null);
this.mainPane = new JSplitPane();
this.mainPane.setOneTouchExpandable(true);
this.mainPane.setContinuousLayout(true);
this.mainPane.setRightComponent(this.right.getComponent());
this.mainPane.setLeftComponent(treePane);
setGrammar(null);
setLayout(null);
}
// Many of the following methods have been added purely
// so InternalFunctions can work. Originally, the code in
// that class was inline here, so its functions had direct
// access. I removed it so that students do not need to wade
// through all the functions! But, that leaves the question as
// to what to do with the following methods, but I don't think
// there's much you can do ...
public void changeSize(int width, int height) {
setSize(width, height);
Component top = splitPane.getTopComponent();
Component bottom = splitPane.getBottomComponent();
int totalHeight = top.getHeight() + bottom.getHeight();
int topHeight = (totalHeight * topProportion) / 100;
int bottomHeight = (totalHeight * bottomProportion) / 100;
top.setPreferredSize(new Dimension(width - 10, topHeight));
bottom.setPreferredSize(new Dimension(width - 10, bottomHeight));
splitPane.resetToPreferredSizes();
pack();
}
@Override
public List<IJavaElement> getByPseudoElement(String selector, Object[] params) {
JSplitPane pane = (JSplitPane) component;
if (selector.equals("left") || selector.equals("top")) {
return Arrays.asList(
JavaElementFactory.createElement(pane.getTopComponent(), getDriver(), getWindow()));
} else if (selector.equals("right") || selector.equals("bottom")) {
return Arrays.asList(
JavaElementFactory.createElement(pane.getBottomComponent(), getDriver(), getWindow()));
}
return super.getByPseudoElement(selector, params);
}
public InterpreterFrame() {
super("Simple Lisp Interpreter");
// Create the menu
menubar = buildMenuBar();
setJMenuBar(menubar);
// Create the toolbar
toolbar = buildToolBar();
// disable cut and copy actions
cutAction.setEnabled(false);
copyAction.setEnabled(false);
// Setup text area for editing source code
// and setup document listener so interpreter
// is notified when current file modified and
// when the cursor is moved.
textView = buildEditor();
textView.getDocument().addDocumentListener(this);
textView.addCaretListener(this);
// set default key bindings
bindKeyToCommand("ctrl C", "(buffer-copy)");
bindKeyToCommand("ctrl X", "(buffer-cut)");
bindKeyToCommand("ctrl V", "(buffer-paste)");
bindKeyToCommand("ctrl E", "(buffer-eval)");
bindKeyToCommand("ctrl O", "(file-open)");
bindKeyToCommand("ctrl S", "(file-save)");
bindKeyToCommand("ctrl Q", "(exit)");
// Give text view scrolling capability
Border border =
BorderFactory.createCompoundBorder(
BorderFactory.createEmptyBorder(3, 3, 3, 3),
BorderFactory.createLineBorder(Color.gray));
JScrollPane topSplit = addScrollers(textView);
topSplit.setBorder(border);
// Create tabbed pane for console/problems
consoleView = makeConsoleArea(10, 50, true);
problemsView = makeConsoleArea(10, 50, false);
tabbedPane = buildProblemsConsole();
// Plug the editor and problems/console together
// using a split pane. This allows one to change
// their relative size using the split-bar in
// between them.
splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT, topSplit, tabbedPane);
// Create status bar
statusView = new JLabel(" Status");
lineNumberView = new JLabel("0:0");
statusbar = buildStatusBar();
// Now, create the outer panel which holds
// everything together
outerpanel = new JPanel();
outerpanel.setLayout(new BorderLayout());
outerpanel.add(toolbar, BorderLayout.PAGE_START);
outerpanel.add(splitPane, BorderLayout.CENTER);
outerpanel.add(statusbar, BorderLayout.SOUTH);
getContentPane().add(outerpanel);
// tell frame to fire a WindowsListener event
// but not to close when "x" button clicked.
setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
addWindowListener(this);
// set minimised icon to use
setIconImage(makeImageIcon("spi.png").getImage());
// setup additional internal functions
InternalFunctions.setup_internals(interpreter, this);
// set default window size
Component top = splitPane.getTopComponent();
Component bottom = splitPane.getBottomComponent();
top.setPreferredSize(new Dimension(100, 400));
bottom.setPreferredSize(new Dimension(100, 200));
pack();
// load + run user configuration file (if there is one)
String homedir = System.getProperty("user.home");
try {
interpreter.load(homedir + "/.simplelisp");
} catch (FileNotFoundException e) {
// do nothing if file does not exist!
System.out.println("Didn't find \"" + homedir + "/.simplelisp\"");
}
textView.grabFocus();
setVisible(true);
// redirect all I/O to problems/console
redirectIO();
// start highlighter thread
highlighter = new DisplayThread(250);
highlighter.setDaemon(true);
highlighter.start();
}