dist/echarts3/extension/dataTool.js

(function (global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('echarts')) :
	typeof define === 'function' && define.amd ? define(['exports', 'echarts'], factory) :
	(factory((global.dataTool = {}),global.echarts));
}(this, (function (exports,echarts) { 'use strict';

/**
 * @module zrender/core/util
 */

// 用于处理merge时无法遍历Date等对象的问题
var arrayProto = Array.prototype;
var nativeMap = arrayProto.map;


/**
 * Those data types can be cloned:
 *     Plain object, Array, TypedArray, number, string, null, undefined.
 * Those data types will be assgined using the orginal data:
 *     BUILTIN_OBJECT
 * Instance of user defined class will be cloned to a plain object, without
 * properties in prototype.
 * Other data types is not supported (not sure what will happen).
 *
 * Caution: do not support clone Date, for performance consideration.
 * (There might be a large number of date in `series.data`).
 * So date should not be modified in and out of echarts.
 *
 * @param {*} source
 * @return {*} new
 */


/**
 * @memberOf module:zrender/core/util
 * @param {*} target
 * @param {*} source
 * @param {boolean} [overwrite=false]
 */


/**
 * @param {Array} targetAndSources The first item is target, and the rests are source.
 * @param {boolean} [overwrite=false]
 * @return {*} target
 */


/**
 * @param {*} target
 * @param {*} source
 * @memberOf module:zrender/core/util
 */


/**
 * @param {*} target
 * @param {*} source
 * @param {boolean} [overlay=false]
 * @memberOf module:zrender/core/util
 */






/**
 * 查询数组中元素的index
 * @memberOf module:zrender/core/util
 */


/**
 * 构造类继承关系
 *
 * @memberOf module:zrender/core/util
 * @param {Function} clazz 源类
 * @param {Function} baseClazz 基类
 */


/**
 * @memberOf module:zrender/core/util
 * @param {Object|Function} target
 * @param {Object|Function} sorce
 * @param {boolean} overlay
 */


/**
 * Consider typed array.
 * @param {Array|TypedArray} data
 */


/**
 * 数组或对象遍历
 * @memberOf module:zrender/core/util
 * @param {Object|Array} obj
 * @param {Function} cb
 * @param {*} [context]
 */


/**
 * 数组映射
 * @memberOf module:zrender/core/util
 * @param {Array} obj
 * @param {Function} cb
 * @param {*} [context]
 * @return {Array}
 */
function map(obj, cb, context) {
    if (!(obj && cb)) {
        return;
    }
    if (obj.map && obj.map === nativeMap) {
        return obj.map(cb, context);
    }
    else {
        var result = [];
        for (var i = 0, len = obj.length; i < len; i++) {
            result.push(cb.call(context, obj[i], i, obj));
        }
        return result;
    }
}

/**
 * @memberOf module:zrender/core/util
 * @param {Array} obj
 * @param {Function} cb
 * @param {Object} [memo]
 * @param {*} [context]
 * @return {Array}
 */


/**
 * 数组过滤
 * @memberOf module:zrender/core/util
 * @param {Array} obj
 * @param {Function} cb
 * @param {*} [context]
 * @return {Array}
 */


/**
 * 数组项查找
 * @memberOf module:zrender/core/util
 * @param {Array} obj
 * @param {Function} cb
 * @param {*} [context]
 * @return {*}
 */


/**
 * @memberOf module:zrender/core/util
 * @param {Function} func
 * @param {*} context
 * @return {Function}
 */


/**
 * @memberOf module:zrender/core/util
 * @param {Function} func
 * @return {Function}
 */


/**
 * @memberOf module:zrender/core/util
 * @param {*} value
 * @return {boolean}
 */


/**
 * @memberOf module:zrender/core/util
 * @param {*} value
 * @return {boolean}
 */


/**
 * @memberOf module:zrender/core/util
 * @param {*} value
 * @return {boolean}
 */


/**
 * @memberOf module:zrender/core/util
 * @param {*} value
 * @return {boolean}
 */


/**
 * @memberOf module:zrender/core/util
 * @param {*} value
 * @return {boolean}
 */


/**
 * @memberOf module:zrender/core/util
 * @param {*} value
 * @return {boolean}
 */


/**
 * Whether is exactly NaN. Notice isNaN('a') returns true.
 * @param {*} value
 * @return {boolean}
 */


/**
 * If value1 is not null, then return value1, otherwise judget rest of values.
 * Low performance.
 * @memberOf module:zrender/core/util
 * @return {*} Final value
 */






/**
 * @memberOf module:zrender/core/util
 * @param {Array} arr
 * @param {number} startIndex
 * @param {number} endIndex
 * @return {Array}
 */


/**
 * Normalize css liked array configuration
 * e.g.
 *  3 => [3, 3, 3, 3]
 *  [4, 2] => [4, 2, 4, 2]
 *  [4, 3, 2] => [4, 3, 2, 3]
 * @param {number|Array.<number>} val
 * @return {Array.<number>}
 */


/**
 * @memberOf module:zrender/core/util
 * @param {boolean} condition
 * @param {string} message
 */


/**
 * Set an object as primitive to be ignored traversing children in clone or merge
 */

// GEXF File Parser
// http://gexf.net/1.2draft/gexf-12draft-primer.pdf

function parse(xml) {
    var doc;
    if (typeof xml === 'string') {
        var parser = new DOMParser();
        doc = parser.parseFromString(xml, 'text/xml');
    }
    else {
        doc = xml;
    }
    if (!doc || doc.getElementsByTagName('parsererror').length) {
        return null;
    }

    var gexfRoot = getChildByTagName(doc, 'gexf');

    if (!gexfRoot) {
        return null;
    }

    var graphRoot = getChildByTagName(gexfRoot, 'graph');

    var attributes = parseAttributes(getChildByTagName(graphRoot, 'attributes'));
    var attributesMap = {};
    for (var i = 0; i < attributes.length; i++) {
        attributesMap[attributes[i].id] = attributes[i];
    }

    return {
        nodes: parseNodes(getChildByTagName(graphRoot, 'nodes'), attributesMap),
        links: parseEdges(getChildByTagName(graphRoot, 'edges'))
    };
}

function parseAttributes(parent) {
    return parent ? map(getChildrenByTagName(parent, 'attribute'), function (attribDom) {
        return {
            id: getAttr(attribDom, 'id'),
            title: getAttr(attribDom, 'title'),
            type: getAttr(attribDom, 'type')
        };
    }) : [];
}

function parseNodes(parent, attributesMap) {
    return parent ? map(getChildrenByTagName(parent, 'node'), function (nodeDom) {

        var id = getAttr(nodeDom, 'id');
        var label = getAttr(nodeDom, 'label');

        var node = {
            id: id,
            name: label,
            itemStyle: {
                normal: {}
            }
        };

        var vizSizeDom = getChildByTagName(nodeDom, 'viz:size');
        var vizPosDom = getChildByTagName(nodeDom, 'viz:position');
        var vizColorDom = getChildByTagName(nodeDom, 'viz:color');
        // var vizShapeDom = getChildByTagName(nodeDom, 'viz:shape');

        var attvaluesDom = getChildByTagName(nodeDom, 'attvalues');

        if (vizSizeDom) {
            node.symbolSize = parseFloat(getAttr(vizSizeDom, 'value'));
        }
        if (vizPosDom) {
            node.x = parseFloat(getAttr(vizPosDom, 'x'));
            node.y = parseFloat(getAttr(vizPosDom, 'y'));
            // z
        }
        if (vizColorDom) {
            node.itemStyle.normal.color = 'rgb(' +[
                getAttr(vizColorDom, 'r') | 0,
                getAttr(vizColorDom, 'g') | 0,
                getAttr(vizColorDom, 'b') | 0
            ].join(',') + ')';
        }
        // if (vizShapeDom) {
            // node.shape = getAttr(vizShapeDom, 'shape');
        // }
        if (attvaluesDom) {
            var attvalueDomList = getChildrenByTagName(attvaluesDom, 'attvalue');

            node.attributes = {};

            for (var j = 0; j < attvalueDomList.length; j++) {
                var attvalueDom = attvalueDomList[j];
                var attId = getAttr(attvalueDom, 'for');
                var attValue = getAttr(attvalueDom, 'value');
                var attribute = attributesMap[attId];

                if (attribute) {
                    switch (attribute.type) {
                        case 'integer':
                        case 'long':
                            attValue = parseInt(attValue, 10);
                            break;
                        case 'float':
                        case 'double':
                            attValue = parseFloat(attValue);
                            break;
                        case 'boolean':
                            attValue = attValue.toLowerCase() == 'true';
                            break;
                        default:
                    }
                    node.attributes[attId] = attValue;
                }
            }
        }

        return node;
    }) : [];
}

function parseEdges(parent) {
    return parent ? map(getChildrenByTagName(parent, 'edge'), function (edgeDom) {
        var id = getAttr(edgeDom, 'id');
        var label = getAttr(edgeDom, 'label');

        var sourceId = getAttr(edgeDom, 'source');
        var targetId = getAttr(edgeDom, 'target');

        var edge = {
            id: id,
            name: label,
            source: sourceId,
            target: targetId,
            lineStyle: {
                normal: {}
            }
        };

        var lineStyle = edge.lineStyle.normal;

        var vizThicknessDom = getChildByTagName(edgeDom, 'viz:thickness');
        var vizColorDom = getChildByTagName(edgeDom, 'viz:color');
        // var vizShapeDom = getChildByTagName(edgeDom, 'viz:shape');

        if (vizThicknessDom) {
            lineStyle.width = parseFloat(vizThicknessDom.getAttribute('value'));
        }
        if (vizColorDom) {
            lineStyle.color = 'rgb(' + [
                getAttr(vizColorDom, 'r') | 0,
                getAttr(vizColorDom, 'g') | 0,
                getAttr(vizColorDom, 'b') | 0
            ].join(',') + ')';
        }
        // if (vizShapeDom) {
        //     edge.shape = vizShapeDom.getAttribute('shape');
        // }

        return edge;
    }) : [];
}

function getAttr(el, attrName) {
    return el.getAttribute(attrName);
}

function getChildByTagName (parent, tagName) {
    var node = parent.firstChild;

    while (node) {
        if (
            node.nodeType != 1 ||
            node.nodeName.toLowerCase() != tagName.toLowerCase()
        ) {
            node = node.nextSibling;
        } else {
            return node;
        }
    }

    return null;
}

function getChildrenByTagName (parent, tagName) {
    var node = parent.firstChild;
    var children = [];
    while (node) {
        if (node.nodeName.toLowerCase() == tagName.toLowerCase()) {
            children.push(node);
        }
        node = node.nextSibling;
    }

    return children;
}


var gexf = (Object.freeze || Object)({
	parse: parse
});

/**
 * Copyright (c) 2010-2015, Michael Bostock
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * * Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 *
 * * The name Michael Bostock may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL MICHAEL BOSTOCK BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * @see <https://github.com/mbostock/d3/blob/master/src/arrays/quantile.js>
 * @see <http://en.wikipedia.org/wiki/Quantile>
 * @param {Array.<number>} ascArr
 */
var quantile = function(ascArr, p) {
    var H = (ascArr.length - 1) * p + 1,
        h = Math.floor(H),
        v = +ascArr[h - 1],
        e = H - h;
    return e ? v + e * (ascArr[h] - v) : v;
};

/**
 * Linear mapping a value from domain to range
 * @memberOf module:echarts/util/number
 * @param  {(number|Array.<number>)} val
 * @param  {Array.<number>} domain Domain extent domain[0] can be bigger than domain[1]
 * @param  {Array.<number>} range  Range extent range[0] can be bigger than range[1]
 * @param  {boolean} clamp
 * @return {(number|Array.<number>}
 */


/**
 * Convert a percent string to absolute number.
 * Returns NaN if percent is not a valid string or number
 * @memberOf module:echarts/util/number
 * @param {string|number} percent
 * @param {number} all
 * @return {number}
 */


/**
 * (1) Fix rounding error of float numbers.
 * (2) Support return string to avoid scientific notation like '3.5e-7'.
 *
 * @param {number} x
 * @param {number} [precision]
 * @param {boolean} [returnStr]
 * @return {number|string}
 */


function asc(arr) {
    arr.sort(function (a, b) {
        return a - b;
    });
    return arr;
}

/**
 * Get precision
 * @param {number} val
 */


/**
 * @param {string|number} val
 * @return {number}
 */


/**
 * Minimal dicernible data precisioin according to a single pixel.
 *
 * @param {Array.<number>} dataExtent
 * @param {Array.<number>} pixelExtent
 * @return {number} precision
 */


/**
 * Get a data of given precision, assuring the sum of percentages
 * in valueList is 1.
 * The largest remainer method is used.
 * https://en.wikipedia.org/wiki/Largest_remainder_method
 *
 * @param {Array.<number>} valueList a list of all data
 * @param {number} idx index of the data to be processed in valueList
 * @param {number} precision integer number showing digits of precision
 * @return {number} percent ranging from 0 to 100
 */


// Number.MAX_SAFE_INTEGER, ie do not support.


/**
 * To 0 - 2 * PI, considering negative radian.
 * @param {number} radian
 * @return {number}
 */


/**
 * @param {type} radian
 * @return {boolean}
 */


/**
 * @param {string|Date|number} value These values can be accepted:
 *   + An instance of Date, represent a time in its own time zone.
 *   + Or string in a subset of ISO 8601, only including:
 *     + only year, month, date: '2012-03', '2012-03-01', '2012-03-01 05', '2012-03-01 05:06',
 *     + separated with T or space: '2012-03-01T12:22:33.123', '2012-03-01 12:22:33.123',
 *     + time zone: '2012-03-01T12:22:33Z', '2012-03-01T12:22:33+8000', '2012-03-01T12:22:33-05:00',
 *     all of which will be treated as local time if time zone is not specified
 *     (see <https://momentjs.com/>).
 *   + Or other string format, including (all of which will be treated as loacal time):
 *     '2012', '2012-3-1', '2012/3/1', '2012/03/01',
 *     '2009/6/12 2:00', '2009/6/12 2:05:08', '2009/6/12 2:05:08.123'
 *   + a timestamp, which represent a time in UTC.
 * @return {Date} date
 */


/**
 * Quantity of a number. e.g. 0.1, 1, 10, 100
 *
 * @param  {number} val
 * @return {number}
 */


/**
 * find a “nice” number approximately equal to x. Round the number if round = true,
 * take ceiling if round = false. The primary observation is that the “nicest”
 * numbers in decimal are 1, 2, and 5, and all power-of-ten multiples of these numbers.
 *
 * See "Nice Numbers for Graph Labels" of Graphic Gems.
 *
 * @param  {number} val Non-negative value.
 * @param  {boolean} round
 * @return {number}
 */


/**
 * Order intervals asc, and split them when overlap.
 * expect(numberUtil.reformIntervals([
 *     {interval: [18, 62], close: [1, 1]},
 *     {interval: [-Infinity, -70], close: [0, 0]},
 *     {interval: [-70, -26], close: [1, 1]},
 *     {interval: [-26, 18], close: [1, 1]},
 *     {interval: [62, 150], close: [1, 1]},
 *     {interval: [106, 150], close: [1, 1]},
 *     {interval: [150, Infinity], close: [0, 0]}
 * ])).toEqual([
 *     {interval: [-Infinity, -70], close: [0, 0]},
 *     {interval: [-70, -26], close: [1, 1]},
 *     {interval: [-26, 18], close: [0, 1]},
 *     {interval: [18, 62], close: [0, 1]},
 *     {interval: [62, 150], close: [0, 1]},
 *     {interval: [150, Infinity], close: [0, 0]}
 * ]);
 * @param {Array.<Object>} list, where `close` mean open or close
 *        of the interval, and Infinity can be used.
 * @return {Array.<Object>} The origin list, which has been reformed.
 */


/**
 * parseFloat NaNs numeric-cast false positives (null|true|false|"")
 * ...but misinterprets leading-number strings, particularly hex literals ("0x...")
 * subtraction forces infinities to NaN
 *
 * @param {*} v
 * @return {boolean}
 */

/**
 * See:
 *  <https://en.wikipedia.org/wiki/Box_plot#cite_note-frigge_hoaglin_iglewicz-2>
 *  <http://stat.ethz.ch/R-manual/R-devel/library/grDevices/html/boxplot.stats.html>
 *
 * Helper method for preparing data.
 *
 * @param {Array.<number>} rawData like
 *        [
 *            [12,232,443], (raw data set for the first box)
 *            [3843,5545,1232], (raw datat set for the second box)
 *            ...
 *        ]
 * @param {Object} [opt]
 *
 * @param {(number|string)} [opt.boundIQR=1.5] Data less than min bound is outlier.
 *      default 1.5, means Q1 - 1.5 * (Q3 - Q1).
 *      If 'none'/0 passed, min bound will not be used.
 * @param {(number|string)} [opt.layout='horizontal']
 *      Box plot layout, can be 'horizontal' or 'vertical'
 * @return {Object} {
 *      boxData: Array.<Array.<number>>
 *      outliers: Array.<Array.<number>>
 *      axisData: Array.<string>
 * }
 */
var prepareBoxplotData = function (rawData, opt) {
    opt = opt || [];
    var boxData = [];
    var outliers = [];
    var axisData = [];
    var boundIQR = opt.boundIQR;
    var useExtreme = boundIQR === 'none' || boundIQR === 0;

    for (var i = 0; i < rawData.length; i++) {
        axisData.push(i + '');
        var ascList = asc(rawData[i].slice());

        var Q1 = quantile(ascList, 0.25);
        var Q2 = quantile(ascList, 0.5);
        var Q3 = quantile(ascList, 0.75);
        var min = ascList[0];
        var max = ascList[ascList.length - 1];

        var bound = (boundIQR == null ? 1.5 : boundIQR) * (Q3 - Q1);

        var low = useExtreme
            ? min
            : Math.max(min, Q1 - bound);
        var high = useExtreme
            ? max
            : Math.min(max, Q3 + bound);

        boxData.push([low, Q1, Q2, Q3, high]);

        for (var j = 0; j < ascList.length; j++) {
            var dataItem = ascList[j];
            if (dataItem < low || dataItem > high) {
                var outlier = [i, dataItem];
                opt.layout === 'vertical' && outlier.reverse();
                outliers.push(outlier);
            }
        }
    }
    return {
        boxData: boxData,
        outliers: outliers,
        axisData: axisData
    };
};

var version = '1.0.0';

// For backward compatibility, where the namespace `dataTool` will
// be mounted on `echarts` is the extension `dataTool` is imported.
// But the old version of echarts do not have `dataTool` namespace,
// so check it before mounting.
if (echarts.dataTool) {
    echarts.dataTool.version = version;
    echarts.dataTool.gexf = gexf;
    echarts.dataTool.prepareBoxplotData = prepareBoxplotData;
}

exports.version = version;
exports.gexf = gexf;
exports.prepareBoxplotData = prepareBoxplotData;

})));
//# sourceMappingURL=dataTool.js.map