jxmonthview.java

java实现浏览器等本地桌面的功能

     *
     * @return Single character representation for the days of the week
     */
    public String[] getDaysOfTheWeek() {
        String[] days = new String[DAYS_IN_WEEK];
        System.arraycopy(_daysOfTheWeek, 0, days, 0, DAYS_IN_WEEK);
        return days;
    }

    /**
     * Gets what the first day of the week is; e.g.,
     * <code>Calendar.SUNDAY</code> in the U.S., <code>Calendar.MONDAY</code>
     * in France.
     *
     * @return int The first day of the week.
     */
    public int getFirstDayOfWeek() {
        return _firstDayOfWeek;
    }

    /**
     * Sets what the first day of the week is; e.g.,
     * <code>Calendar.SUNDAY</code> in US, <code>Calendar.MONDAY</code>
     * in France.
     *
     * @param firstDayOfWeek The first day of the week.
     *
     * @see java.util.Calendar
     */
    public void setFirstDayOfWeek(int firstDayOfWeek) {
        if (firstDayOfWeek == _firstDayOfWeek) {
            return;
        }

        _firstDayOfWeek = firstDayOfWeek;
        _cal.setFirstDayOfWeek(_firstDayOfWeek);

        repaint();
    }

    /**
     * Gets the time zone.
     *
     * @return The <code>TimeZone</code> used by the <code>JXMonthView</code>.
     */
    public TimeZone getTimeZone() {
        return _cal.getTimeZone();
    }

    /**
     * Sets the time zone with the given time zone value.
     *
     * @param tz The <code>TimeZone</code>.
     */
    public void setTimeZone(TimeZone tz) {
        _cal.setTimeZone(tz);
    }

    /**
     * Returns true if anti-aliased text is enabled for this component, false
     * otherwise.
     *
     * @return boolean <code>true</code> if anti-aliased text is enabled,
     * <code>false</code> otherwise.
     */
    public boolean getAntialiased() {
        return _antiAlias;
    }

    /**
     * Turns on/off anti-aliased text for this component.
     *
     * @param antiAlias <code>true</code> for anti-aliased text,
     * <code>false</code> to turn it off.
     */
    public void setAntialiased(boolean antiAlias) {
        if (_antiAlias == antiAlias) {
            return;
        }
        _antiAlias = antiAlias;
        repaint();
    }

    /**
    public void setDropShadowMask(int mask) {
        _dropShadowMask = mask;
        repaint();
    }
    */

    /**
     * Returns the selected background color.
     *
     * @return the selected background color.
     */
    public Color getSelectedBackground() {
        return _selectedBackground;
    }

    /**
     * Sets the selected background color to <code>c</code>.  The default color
     * is <code>138, 173, 209 (Blue-ish)</code>
     *
     * @param c Selected background.
     */
    public void setSelectedBackground(Color c) {
        _selectedBackground = c;
    }

    /**
     * Returns the color used when painting the today background.
     *
     * @return Color Color
     */
    public Color getTodayBackground() {
        return _todayBackgroundColor;
    }

    /**
     * Sets the color used to draw the bounding box around today.  The default
     * is the background of the <code>JXMonthView</code> component.
     * 
     * @param c color to set
     */
    public void setTodayBackground(Color c) {
        _todayBackgroundColor = c;
        repaint();
    }

    /**
     * Returns the color used to paint the month string background.
     *
     * @return Color Color.
     */
    public Color getMonthStringBackground() {
        return _monthStringBackground;
    }

    /**
     * Sets the color used to draw the background of the month string.  The
     * default is <code>138, 173, 209 (Blue-ish)</code>.
     *
     * @param c color to set
     */
    public void setMonthStringBackground(Color c) {
        _monthStringBackground = c;
        repaint();
    }

    /**
     * Returns the color used to paint the month string foreground.
     *
     * @return Color Color.
     */
    public Color getMonthStringForeground() {
        return _monthStringForeground;
    }

    /**
     * Sets the color used to draw the foreground of the month string.  The
     * default is <code>Color.WHITE</code>.
     *
     * @param c color to set
     */
    public void setMonthStringForeground(Color c) {
        _monthStringForeground = c;
        repaint();
    }

    /**
     * Sets the color used to draw the foreground of each day of the week. These
     * are the titles
     *
     * @param c color to set
     */
    public void setDaysOfTheWeekForeground(Color c) {
        _daysOfTheWeekForeground = c;
        repaint();
    }
    
    /**
     * @return Color Color
     */
    public Color getDaysOfTheWeekForeground() {
        return _daysOfTheWeekForeground;
    }

    /**
     * Set the color to be used for painting the specified day of the week.
     * Acceptable values are Calendar.SUNDAY - Calendar.SATURDAY.
     *
     * @param dayOfWeek constant value defining the day of the week.
     * @param c The color to be used for painting the numeric day of the week.
     */
    public void setDayForeground(int dayOfWeek, Color c) {
        _dayToColorTable.put(dayOfWeek, c);
    }

    /**
     * Return the color that should be used for painting the numerical day of the week.
     *
     * @param dayOfWeek The day of week to get the color for.
     * @return The color to be used for painting the numeric day of the week.
     *    If this was no color has yet been defined the component foreground color
     *    will be returned.
     */
    public Color getDayForeground(int dayOfWeek) {
        Color c;
        c = (Color)_dayToColorTable.get(dayOfWeek);
        if (c == null) {
            c = getForeground();
        }
        return c;
    }

    /**
     * Returns a copy of the insets used to paint the month string background.
     *
     * @return Insets Month string insets.
     */
    public Insets getMonthStringInsets() {
        return (Insets)_monthStringInsets.clone();
    }

    /**
     * Insets used to modify the width/height when painting the background
     * of the month string area.
     *
     * @param insets Insets
     */
    public void setMonthStringInsets(Insets insets) {
        if (insets == null) {
            _monthStringInsets.top = 0;
            _monthStringInsets.left = 0;
            _monthStringInsets.bottom = 0;
            _monthStringInsets.right = 0;
        } else {
            _monthStringInsets.top = insets.top;
            _monthStringInsets.left = insets.left;
            _monthStringInsets.bottom = insets.bottom;
            _monthStringInsets.right = insets.right;
        }
        repaint();
    }

    /**
     * Returns the preferred number of columns to paint calendars in.
     *
     * @return int Columns of calendars.
     */
    public int getPreferredCols() {
        return _minCalCols;
    }

    /**
     * The preferred number of columns to paint calendars.
     *
     * @param cols The number of columns of calendars.
     */
    public void setPreferredCols(int cols) {
        if (cols <= 0) {
            return;
        }
        _minCalCols = cols;
        _dirty = true;
        revalidate();
        repaint();
    }

    /**
     * Returns the preferred number of rows to paint calendars in.
     *
     * @return int Rows of calendars.
     */
    public int getPreferredRows() {
        return _minCalRows;
    }

    /**
     * Sets the preferred number of rows to paint calendars.
     *
     * @param rows The number of rows of calendars.
     */
    public void setPreferredRows(int rows) {
        if (rows <= 0) {
            return;
        }
        _minCalRows = rows;
        _dirty = true;
        revalidate();
        repaint();
    }

    private void updateIfNecessary() {
        if (_dirty) {
            update();
            _dirty = false;
        }
    }

    /**
     * Calculates size information necessary for laying out the month view.
     */
    private void update() {
        // Loop through year and get largest representation of the month.
        // Keep track of the longest month so we can loop through it to
        // determine the width of a date box.
        int currDays;
        int longestMonth = 0;
        int daysInLongestMonth = 0;

        int currWidth;
        int longestMonthWidth = 0;

        // We use a bold font for figuring out size constraints since
        // it's larger and flaggedDates will be noted in this style.
        _derivedFont = getFont().deriveFont(Font.BOLD);
        FontMetrics fm = getFontMetrics(_derivedFont);

        _cal.set(Calendar.MONTH, _cal.getMinimum(Calendar.MONTH));
        _cal.set(Calendar.DAY_OF_MONTH,
                _cal.getActualMinimum(Calendar.DAY_OF_MONTH));
        for (int i = 0; i < _cal.getMaximum(Calendar.MONTH); i++) {
            currWidth = fm.stringWidth(_monthsOfTheYear[i]);
            if (currWidth > longestMonthWidth) {
                longestMonthWidth = currWidth;
            }
            currDays = _cal.getActualMaximum(Calendar.DAY_OF_MONTH);
            if (currDays > daysInLongestMonth) {
                longestMonth = _cal.get(Calendar.MONTH);
                daysInLongestMonth = currDays;
            }
            _cal.add(Calendar.MONTH, 1);
        }

        // Loop through the days of the week and adjust the box width
        // accordingly.
        _boxHeight = fm.getHeight();
        for (String dayOfTheWeek : _daysOfTheWeek) {
            currWidth = fm.stringWidth(dayOfTheWeek);
            if (currWidth > _boxWidth) {
                _boxWidth = currWidth;
            }
        }

        // Loop through longest month and get largest representation of the day
        // of the month.
        _cal.set(Calendar.MONTH, longestMonth);
        _cal.set(Calendar.DAY_OF_MONTH,
                _cal.getActualMinimum(Calendar.DAY_OF_MONTH));
        for (int i = 0; i < daysInLongestMonth; i++) {
            currWidth = fm.stringWidth(
                    _dayOfMonthFormatter.format(_cal.getTime()));
            if (currWidth > _boxWidth) {
                _boxWidth = currWidth;
            }
            _cal.add(Calendar.DAY_OF_MONTH, 1);
        }