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Editing File: /usr/local/cpanel/base/jqplot/dist/plugins/jqplot.dateAxisRenderer.js

/**
 * Copyright (c) 2009 Chris Leonello
 * jqPlot is currently available for use in all personal or commercial projects
 * under both the MIT and GPL version 2.0 licenses. This means that you can
 * choose the license that best suits your project and use it accordingly.
 *
 * The author would appreciate an email letting him know of any substantial
 * use of jqPlot.  You can reach the author at: chris dot leonello at gmail
 * dot com or see http://www.jqplot.com/info.php .  This is, of course,
 * not required.
 *
 * If you are feeling kind and generous, consider supporting the project by
 * making a donation at: http://www.jqplot.com/donate.php .
 *
 * Thanks for using jqPlot!
 *
 */
(function($) {
    /**
     * Class: $.jqplot.DateAxisRenderer
     * A plugin for a jqPlot to render an axis as a series of date values.
     * This renderer has no options beyond those supplied by the <Axis> class.
     * It supplies it's own tick formatter, so the tickOptions.formatter option
     * should not be overridden.
     *
     * Thanks to Ken Synder for his enhanced Date instance methods which are
     * included with this code <http://kendsnyder.com/sandbox/date/>.
     *
     * To use this renderer, include the plugin in your source
     * > <script type="text/javascript" language="javascript" src="plugins/jqplot.dateAxisRenderer.js"></script>
     *
     * and supply the appropriate options to your plot
     *
     * > {axes:{xaxis:{renderer:$.jqplot.DateAxisRenderer}}}
     *
     * Dates can be passed into the axis in almost any recognizable value and
     * will be parsed.  They will be rendered on the axis in the format
     * specified by tickOptions.formatString.  e.g. tickOptions.formatString = '%Y-%m-%d'.
     *
     * Accecptable format codes
     * are:
     *
     * > Code    Result                  Description
     * >             == Years ==
     * > %Y      2008                Four-digit year
     * > %y      08                  Two-digit year
     * >             == Months ==
     * > %m      09                  Two-digit month
     * > %#m     9                   One or two-digit month
     * > %B      September           Full month name
     * > %b      Sep                 Abbreviated month name
     * >             == Days ==
     * > %d      05                  Two-digit day of month
     * > %#d     5                   One or two-digit day of month
     * > %e      5                   One or two-digit day of month
     * > %A      Sunday              Full name of the day of the week
     * > %a      Sun                 Abbreviated name of the day of the week
     * > %w      0                   Number of the day of the week (0 = Sunday, 6 = Saturday)
     * > %o      th                  The ordinal suffix string following the day of the month
     * >             == Hours ==
     * > %H      23                  Hours in 24-hour format (two digits)
     * > %#H     3                   Hours in 24-hour integer format (one or two digits)
     * > %I      11                  Hours in 12-hour format (two digits)
     * > %#I     3                   Hours in 12-hour integer format (one or two digits)
     * > %p      PM                  AM or PM
     * >             == Minutes ==
     * > %M      09                  Minutes (two digits)
     * > %#M     9                   Minutes (one or two digits)
     * >             == Seconds ==
     * > %S      02                  Seconds (two digits)
     * > %#S     2                   Seconds (one or two digits)
     * > %s      1206567625723       Unix timestamp (Seconds past 1970-01-01 00:00:00)
     * >             == Milliseconds ==
     * > %N      008                 Milliseconds (three digits)
     * > %#N     8                   Milliseconds (one to three digits)
     * >             == Timezone ==
     * > %O      360                 difference in minutes between local time and GMT
     * > %Z      Mountain Standard Time  Name of timezone as reported by browser
     * > %G      -06:00              Hours and minutes between GMT
     * >             == Shortcuts ==
     * > %F      2008-03-26          %Y-%m-%d
     * > %T      05:06:30            %H:%M:%S
     * > %X      05:06:30            %H:%M:%S
     * > %x      03/26/08            %m/%d/%y
     * > %D      03/26/08            %m/%d/%y
     * > %#c     Wed Mar 26 15:31:00 2008  %a %b %e %H:%M:%S %Y
     * > %v      3-Sep-2008          %e-%b-%Y
     * > %R      15:31               %H:%M
     * > %r      3:31:00 PM          %I:%M:%S %p
     * >             == Characters ==
     * > %n      \n                  Newline
     * > %t      \t                  Tab
     * > %%      %                   Percent Symbol
     */
    $.jqplot.DateAxisRenderer = function() {
        $.jqplot.LinearAxisRenderer.call(this);
    };

$.jqplot.DateAxisRenderer.prototype = new $.jqplot.LinearAxisRenderer();
    $.jqplot.DateAxisRenderer.prototype.constructor = $.jqplot.DateAxisRenderer;

$.jqplot.DateTickFormatter = function(format, val) {
        if (!format) {
            format = '%Y/%m/%d';
        }
        return Date.create(val).strftime(format);
    };

$.jqplot.DateAxisRenderer.prototype.init = function(options){
        // prop: tickRenderer
        // A class of a rendering engine for creating the ticks labels displayed on the plot,
        // See <$.jqplot.AxisTickRenderer>.
        // this.tickRenderer = $.jqplot.AxisTickRenderer;
        // this.labelRenderer = $.jqplot.AxisLabelRenderer;
        this.tickOptions.formatter = $.jqplot.DateTickFormatter;
        this.daTickInterval = null;
        this._daTickInterval = null;
        $.extend(true, this, options);
        var db = this._dataBounds;
        // Go through all the series attached to this axis and find
        // the min/max bounds for this axis.
        for (var i=0; i<this._series.length; i++) {
            var s = this._series[i];
            var d = s.data;
            var pd = s._plotData;
            var sd = s._stackData;

for (var j=0; j<d.length; j++) {
                if (this.name == 'xaxis' || this.name == 'x2axis') {
                    d[j][0] = Date.create(d[j][0]).getTime();
                    pd[j][0] = Date.create(d[j][0]).getTime();
                    sd[j][0] = Date.create(d[j][0]).getTime();
                    if (d[j][0] < db.min || db.min == null) {
                        db.min = d[j][0];
                    }
                    if (d[j][0] > db.max || db.max == null) {
                        db.max = d[j][0];
                    }
                }
                else {
                    d[j][1] = Date.create(d[j][1]).getTime();
                    pd[j][1] = Date.create(d[j][1]).getTime();
                    sd[j][1] = Date.create(d[j][1]).getTime();
                    if (d[j][1] < db.min || db.min == null) {
                        db.min = d[j][1];
                    }
                    if (d[j][1] > db.max || db.max == null) {
                        db.max = d[j][1];
                    }
                }
            }
        }
    };

// called with scope of an axis
    $.jqplot.DateAxisRenderer.prototype.reset = function() {
        this.min = this._min;
        this.max = this._max;
        this.tickInterval = this._tickInterval;
        this.numberTicks = this._numberTicks;
        this.daTickInterval = this._daTickInterval;
        // this._ticks = this.__ticks;
    };

$.jqplot.DateAxisRenderer.prototype.createTicks = function() {
        // we're are operating on an axis here
        var ticks = this._ticks;
        var userTicks = this.ticks;
        var name = this.name;
        // databounds were set on axis initialization.
        var db = this._dataBounds;
        var dim, interval;
        var min, max;
        var pos1, pos2;
        var tt, i;

// if we already have ticks, use them.
        // ticks must be in order of increasing value.

if (userTicks.length) {
            // ticks could be 1D or 2D array of [val, val, ,,,] or [[val, label], [val, label], ...] or mixed
            for (i=0; i<userTicks.length; i++){
                var ut = userTicks[i];
                var t = new this.tickRenderer(this.tickOptions);
                if (ut.constructor == Array) {
                    t.value = Date.create(ut[0]).getTime();
                    t.label = ut[1];
                    if (!this.showTicks) {
                        t.showLabel = false;
                        t.showMark = false;
                    }
                    else if (!this.showTickMarks) {
                        t.showMark = false;
                    }
                    t.setTick(t.value, this.name);
                    this._ticks.push(t);
                }

else {
                    t.value = Date.create(ut).getTime();
                    if (!this.showTicks) {
                        t.showLabel = false;
                        t.showMark = false;
                    }
                    else if (!this.showTickMarks) {
                        t.showMark = false;
                    }
                    t.setTick(t.value, this.name);
                    this._ticks.push(t);
                }
            }
            this.numberTicks = userTicks.length;
            this.min = this._ticks[0].value;
            this.max = this._ticks[this.numberTicks-1].value;
            this.daTickInterval = [(this.max - this.min) / (this.numberTicks - 1)/1000, 'seconds'];
        }

// we don't have any ticks yet, let's make some!
        else {
            if (name == 'xaxis' || name == 'x2axis') {
                dim = this._plotDimensions.width;
            }
            else {
                dim = this._plotDimensions.height;
            }

// if min, max and number of ticks specified, user can't specify interval.
            if (this.min != null && this.max != null && this.numberTicks != null) {
                this.tickInterval = null;
            }

// if user specified a tick interval, convert to usable.
            if (this.tickInterval != null)
            {
                // if interval is a number or can be converted to one, use it.
                // Assume it is in SECONDS!!!
                if (Number(this.tickInterval)) {
                    this.daTickInterval = [Number(this.tickInterval), 'seconds'];
                }
                // else, parse out something we can build from.
                else if (typeof this.tickInterval == "string") {
                    var parts = this.tickInterval.split(' ');
                    if (parts.length == 1) {
                        this.daTickInterval = [1, parts[0]];
                    }
                    else if (parts.length == 2) {
                        this.daTickInterval = [parts[0], parts[1]];
                    }
                }
            }

min = ((this.min != null) ? Date.create(this.min).getTime() : db.min);
            max = ((this.max != null) ? Date.create(this.max).getTime() : db.max);

// if min and max are same, space them out a bit
            if (min == max) {
                var adj = 24*60*60*500;  // 1/2 day
                min -= adj;
                max += adj;
            }

var range = max - min;
            var rmin, rmax;

rmin = (this.min != null) ? Date.create(this.min).getTime() : min - range/2*(this.padMin - 1);
            rmax = (this.max != null) ? Date.create(this.max).getTime() : max + range/2*(this.padMax - 1);
            this.min = rmin;
            this.max = rmax;
            range = this.max - this.min;

if (this.numberTicks == null){
                // if tickInterval is specified by user, we will ignore computed maximum.
                // max will be equal or greater to fit even # of ticks.
                if (this.daTickInterval != null) {
                    var nc = Date.create(this.max).diff(this.min, this.daTickInterval[1], true);
                    this.numberTicks = Math.ceil(nc/this.daTickInterval[0]) +1;
                    // this.max = Date.create(this.min).add(this.numberTicks-1, this.daTickInterval[1]).getTime();
                    this.max = Date.create(this.min).add((this.numberTicks-1) * this.daTickInterval[0], this.daTickInterval[1]).getTime();
                }
                else if (dim > 200) {
                    this.numberTicks = parseInt(3+(dim-200)/100, 10);
                }
                else {
                    this.numberTicks = 2;
                }
            }

if (this.daTickInterval == null) {
                this.daTickInterval = [range / (this.numberTicks-1)/1000, 'seconds'];
            }
            for (var i=0; i<this.numberTicks; i++){
                var min = Date.create(this.min);
                tt = min.add(i*this.daTickInterval[0], this.daTickInterval[1]).getTime();
                var t = new this.tickRenderer(this.tickOptions);
                // var t = new $.jqplot.AxisTickRenderer(this.tickOptions);
                if (!this.showTicks) {
                    t.showLabel = false;
                    t.showMark = false;
                }
                else if (!this.showTickMarks) {
                    t.showMark = false;
                }
                t.setTick(tt, this.name);
                this._ticks.push(t);
            }
        }
        if (this._daTickInterval == null) {
            this._daTickInterval = this.daTickInterval;
        }
    };

})(jQuery);

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