public static void main(String[] args) throws Exception { JFrame f = new JFrame(); CalModel cm = new CalModel(TimeZone.getDefault(), true); JCalendar jc = new JCalendarDateHHMM(); jc.setModel(cm); f.getContentPane().add((javax.swing.JPanel) jc); f.setSize(400, 400); f.pack(); f.setVisible(true); }
private static GregorianCalendar parseDate(final String dateString) { GregorianCalendar calendar = new GregorianCalendar(TimeZone.getTimeZone("UTC")); try { calendar.set(Calendar.YEAR, Integer.parseInt(dateString.substring(0, 4))); calendar.set(Calendar.MONTH, Integer.parseInt(dateString.substring(4, 6)) - 1); calendar.set(Calendar.DAY_OF_MONTH, Integer.parseInt(dateString.substring(6, 8))); if (dateString.length() > 8) { calendar.set(Calendar.HOUR_OF_DAY, Integer.parseInt(dateString.substring(8, 10))); calendar.set(Calendar.MINUTE, Integer.parseInt(dateString.substring(10, 12))); } else { calendar.set(Calendar.HOUR_OF_DAY, 0); calendar.set(Calendar.MINUTE, 0); } } catch (Exception ignore) { } return calendar; }
/** * The constructor for this class has a bunch of arguments: The frame argument is required for all * printing in Java. The jobname appears left justified at the top of each printed page. The font * size is specified in points, as on-screen font sizes are. The margins are specified in inches * (or fractions of inches). */ public HardcopyWriter( Frame frame, String jobname, int fontsize, double leftmargin, double rightmargin, double topmargin, double bottommargin) throws HardcopyWriter.PrintCanceledException { // Get the PrintJob object with which we'll do all the printing. // The call is synchronized on the static printprops object, which // means that only one print dialog can be popped up at a time. // If the user clicks Cancel in the print dialog, throw an exception. Toolkit toolkit = frame.getToolkit(); // get Toolkit from Frame synchronized (printprops) { job = toolkit.getPrintJob(frame, jobname, printprops); } if (job == null) throw new PrintCanceledException("User cancelled print request"); pagesize = job.getPageDimension(); // query the page size pagedpi = job.getPageResolution(); // query the page resolution // Bug Workaround: // On windows, getPageDimension() and getPageResolution don't work, so // we've got to fake them. if (System.getProperty("os.name").regionMatches(true, 0, "windows", 0, 7)) { // Use screen dpi, which is what the PrintJob tries to emulate, anyway pagedpi = toolkit.getScreenResolution(); System.out.println(pagedpi); // Assume a 8.5" x 11" page size. A4 paper users have to change this. pagesize = new Dimension((int) (8.5 * pagedpi), 11 * pagedpi); System.out.println(pagesize); // We also have to adjust the fontsize. It is specified in points, // (1 point = 1/72 of an inch) but Windows measures it in pixels. fontsize = fontsize * pagedpi / 72; System.out.println(fontsize); System.out.flush(); } // Compute coordinates of the upper-left corner of the page. // I.e. the coordinates of (leftmargin, topmargin). Also compute // the width and height inside of the margins. x0 = (int) (leftmargin * pagedpi); y0 = (int) (topmargin * pagedpi); width = pagesize.width - (int) ((leftmargin + rightmargin) * pagedpi); height = pagesize.height - (int) ((topmargin + bottommargin) * pagedpi); // Get body font and font size font = new Font("Monospaced", Font.PLAIN, fontsize); metrics = toolkit.getFontMetrics(font); lineheight = metrics.getHeight(); lineascent = metrics.getAscent(); charwidth = metrics.charWidth('0'); // Assumes a monospaced font! // Now compute columns and lines will fit inside the margins chars_per_line = width / charwidth; lines_per_page = height / lineheight; // Get header font information // And compute baseline of page header: 1/8" above the top margin headerfont = new Font("SansSerif", Font.ITALIC, fontsize); headermetrics = toolkit.getFontMetrics(headerfont); headery = y0 - (int) (0.125 * pagedpi) - headermetrics.getHeight() + headermetrics.getAscent(); // Compute the date/time string to display in the page header DateFormat df = DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.SHORT); df.setTimeZone(TimeZone.getDefault()); time = df.format(new Date()); this.jobname = jobname; // save name this.fontsize = fontsize; // save font size }