Plugins/dataRender/percentageBars.js

/*! © Drijkoningen Dirk - datatables.net/license */

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'use strict';
var DataTable = $.fn.dataTable;


/**
 * This data rendering helper method will convert percentage values into a bar.
 * Values can either have the % sign or not and decimals get rounded to the
 * given value. The percentage will have a max value of 100%.
 *
 * This function should be used with the `dt-init columns.render` configuration
 * option of DataTables.
 *
 * v1.1 Changelog
 * - Added a seventh border type parameter.
 * - All parameters are now optional.
 * - Improved styling.
 * - Bug fix: Text is always centered now.
 *
 * It accepts seven parameters:
 *
 * 1. `-type string` square as default or round for a rounded bar.
 * 2. `-type string` A hex color for the text.
 * 3. `-type string` A hex color for the border.
 * 4. `-type string` A hex color for the bar.
 * 5. `-type string` A hex color for the background.
 * 6. `-type integer` A number used to round the value.
 * 7. `-type string` A border style, default=ridge (solid, outset, groove, ridge)
 *
 *  DEMO : http://codepen.io/RedJokingInn/pen/jrkZQN
 *
 *  @name percentBar
 *  @summary Display percentage value as a bar
 *  @author [Drijkoningen Dirk](RedJokingInn)
 *  @requires DataTables 1.10+
 *
 *  @returns {String} Html code for bar
 *
 *  @example
 *    // Display rounded bars with white text, medium blue border, light blue bar, dark blue background, rounded to one decimal.
 *    $('#example').DataTable( {
 *      columnDefs: [ {
 *        targets: 4,
 *        render: DataTable.render.percentBar( 'round','#FFF', '#269ABC', '#31B0D5', '#286090', 1, 'groove' )
 *      } ]
 *    } );
 *
 *  @example
 *    // All default values used. Square bars with black text, gray ridged border, light green bar, light gray background, rounded to integer.
 *    $('#example').DataTable( {
 *      columnDefs: [ {
 *        targets: 2,
 *        render: DataTable.render.percentBar()
 *      } ]
 *    } );
 */
DataTable.render.percentBar = function (pShape, cText, cBorder, cBar, cBack, vRound, bType, conditionalColors) {
    pShape = pShape || 'square';
    cText = cText || '#000';
    cBorder = cBorder || '#BCBCBC';
    cBar = cBar || '#5FD868';
    cBack = cBack || '#E6E6E6';
    vRound = vRound || 0;
    bType = bType || 'ridge';
    //Bar templates
    var styleRule1 = 'max-width:100px;height:12px;margin:0 auto;';
    return function (d, type, row) {
        //Remove % if found in the value
        //Round to the given parameter vRound
        var s = parseFloat(d.toString().replace(/\s%|%/g, '')).toFixed(vRound);
        //Not allowed to go over 100%
        if (s > 100) {
            s = 100;
        }
        // Order, search and type gets numbers
        if (type !== 'display') {
            return s;
        }
        if (typeof d !== 'number' && typeof d !== 'string') {
            return d;
        }
        var cBackConditional;
        var cBarConditional;
        var cTextConditional;
        // do conditional colors based on user input
        if (conditionalColors) {
            for (var i = 0; i < conditionalColors.length; i++) {
                if (s >= conditionalColors[i].min && s <= conditionalColors[i].max) {
                    if (conditionalColors[i].barColor) {
                        cBarConditional = conditionalColors[i].barColor;
                    }
                    else {
                        cBarConditional = cBar;
                    }
                    if (conditionalColors[i].backgroundColor) {
                        cBackConditional = conditionalColors[i].backgroundColor;
                    }
                    else {
                        cBackConditional = cBack;
                    }
                    if (conditionalColors[i].textColor) {
                        cTextConditional = conditionalColors[i].textColor;
                    }
                    else {
                        cTextConditional = cText;
                    }
                    break;
                }
            }
        }
        else {
            cBackConditional = cBack;
            cBarConditional = cBar;
            cTextConditional = cText;
        }
        var styleRule2 = 'border:2px ' +
            bType +
            ' ' +
            cBorder +
            ';line-height:12px;font-size:14px;color:' +
            cText +
            ';background:' +
            cBackConditional +
            ';position:relative;';
        //Bar template
        var styleRule3 = 'height:12px;line-height:12px;text-align:center;background-color:' +
            cBarConditional + ';padding:auto 6px;';
        //Square is default, make template round if pShape == round
        if (pShape == 'round') {
            styleRule2 += 'border-radius:5px;';
            styleRule3 += 'border-top-left-radius:4px;border-bottom-left-radius:4px;';
        }
        //Return the code for the bar
        return ('<div style="' +
            styleRule1 +
            '"><div style="' +
            styleRule2 +
            '"><div style="' +
            styleRule3 +
            'width:' +
            s +
            '%;"></div><div style="width:100%;text-align:center;position:absolute;left:0;top:0;">' +
            s +
            '%</div></div></div>');
    };
};


return DataTable;
}));