add extjs 6.0.1 sources

[extjs.git] / extjs / packages / charts / src / chart / axis / segmenter / Time.js

/**\r
 * @class Ext.chart.axis.segmenter.Time\r
 * @extends Ext.chart.axis.segmenter.Segmenter\r
 * \r
 * Time data type.\r
 */\r
Ext.define('Ext.chart.axis.segmenter.Time', {\r
    extend: 'Ext.chart.axis.segmenter.Segmenter',\r
    alias: 'segmenter.time',\r
\r
    config: {\r
        /**\r
         * @cfg {Object} step\r
         * If specified, the will override the result of {@link #preferredStep}.\r
         */\r
        step: null\r
    },\r
\r
    renderer: function (value, context) {\r
        var ExtDate = Ext.Date;\r
        switch (context.majorTicks.unit) {\r
            case 'y':\r
                return ExtDate.format(value, 'Y');\r
            case 'mo':\r
                return ExtDate.format(value, 'Y-m');\r
            case 'd':\r
                return ExtDate.format(value, 'Y-m-d');\r
        }\r
        return ExtDate.format(value, 'Y-m-d\nH:i:s');\r
    },\r
\r
    from: function (value) {\r
        return new Date(value);\r
    },\r
\r
    diff: function (min, max, unit) {\r
        if (isFinite(min)) {\r
            min = new Date(min);\r
        }\r
        if (isFinite(max)) {\r
            max = new Date(max);\r
        }\r
        return Ext.Date.diff(min, max, unit);\r
    },\r
\r
    align: function (date, step, unit) {\r
        if (unit === 'd' && step >= 7) {\r
            date = Ext.Date.align(date, 'd', step);\r
            date.setDate(date.getDate() - date.getDay() + 1);\r
            return date;\r
        } else {\r
            return Ext.Date.align(date, unit, step);\r
        }\r
    },\r
\r
    add: function (value, step, unit) {\r
        return Ext.Date.add(new Date(value), unit, step);\r
    },\r
\r
    stepUnits: [\r
        [Ext.Date.YEAR, 1, 2, 5, 10, 20, 50, 100, 200, 500],\r
        [Ext.Date.MONTH, 1, 3, 6],\r
        [Ext.Date.DAY, 1, 7, 14],\r
        [Ext.Date.HOUR, 1, 6, 12],\r
        [Ext.Date.MINUTE, 1, 5, 15, 30],\r
        [Ext.Date.SECOND, 1, 5, 15, 30],\r
        [Ext.Date.MILLI, 1, 2, 5, 10, 20, 50, 100, 200, 500]\r
    ],\r
\r
    preferredStep: function (min, estStepSize) {\r
        if (this.getStep()) {\r
            return this.getStep();\r
        }\r
        var from = new Date(+min),\r
            to = new Date(+min + Math.ceil(estStepSize)),\r
            units = this.stepUnits,\r
            result, unit, diff,\r
            i, j;\r
\r
        for (i = 0; i < units.length; i++) {\r
            unit = units[i][0];\r
            diff = this.diff(from, to, unit);\r
\r
            if (diff > 0) {\r
                for (j = 1; j < units[i].length; j++) {\r
                    if (diff <= units[i][j]) {\r
                        result = {\r
                            unit: unit,\r
                            step: units[i][j]\r
                        };\r
                        break;\r
                    }\r
                }\r
                if (!result) {\r
                    i--;\r
                    result = {\r
                        unit: units[i][0],\r
                        step: 1\r
                    };\r
                }\r
                break;\r
            }\r
        }\r
        if (!result) {\r
            result = {unit: Ext.Date.DAY, step: 1}; // Default step is one Day.\r
        }\r
        return result;\r
    }\r
});