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• DataView.js

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META-INF.assets.rjzjh.echarts.src.component.toolbox.feature.DataView.js Maven / Gradle / Ivy

/**
 * @module echarts/component/toolbox/feature/DataView
 */

define(function (require) {

    var zrUtil = require('zrender/core/util');
    var eventTool = require('zrender/core/event');


    var BLOCK_SPLITER = new Array(60).join('-');
    var ITEM_SPLITER = '\t';
    /**
     * Group series into two types
     *  1. on category axis, like line, bar
     *  2. others, like scatter, pie
     * @param {module:echarts/model/Global} ecModel
     * @return {Object}
     * @inner
     */
    function groupSeries(ecModel) {
        var seriesGroupByCategoryAxis = {};
        var otherSeries = [];
        var meta = [];
        ecModel.eachRawSeries(function (seriesModel) {
            var coordSys = seriesModel.coordinateSystem;

            if (coordSys && (coordSys.type === 'cartesian2d' || coordSys.type === 'polar')) {
                var baseAxis = coordSys.getBaseAxis();
                if (baseAxis.type === 'category') {
                    var key = baseAxis.dim + '_' + baseAxis.index;
                    if (!seriesGroupByCategoryAxis[key]) {
                        seriesGroupByCategoryAxis[key] = {
                            categoryAxis: baseAxis,
                            valueAxis: coordSys.getOtherAxis(baseAxis),
                            series: []
                        };
                        meta.push({
                            axisDim: baseAxis.dim,
                            axisIndex: baseAxis.index
                        });
                    }
                    seriesGroupByCategoryAxis[key].series.push(seriesModel);
                }
                else {
                    otherSeries.push(seriesModel);
                }
            }
            else {
                otherSeries.push(seriesModel);
            }
        });

        return {
            seriesGroupByCategoryAxis: seriesGroupByCategoryAxis,
            other: otherSeries,
            meta: meta
        };
    }

    /**
     * Assemble content of series on cateogory axis
     * @param {Array.} series
     * @return {string}
     * @inner
     */
    function assembleSeriesWithCategoryAxis(series) {
        var tables = [];
        zrUtil.each(series, function (group, key) {
            var categoryAxis = group.categoryAxis;
            var valueAxis = group.valueAxis;
            var valueAxisDim = valueAxis.dim;

            var headers = [' '].concat(zrUtil.map(group.series, function (series) {
                return series.name;
            }));
            var columns = [categoryAxis.model.getCategories()];
            zrUtil.each(group.series, function (series) {
                columns.push(series.getRawData().mapArray(valueAxisDim, function (val) {
                    return val;
                }));
            });
            // Assemble table content
            var lines = [headers.join(ITEM_SPLITER)];
            for (var i = 0; i < columns[0].length; i++) {
                var items = [];
                for (var j = 0; j < columns.length; j++) {
                    items.push(columns[j][i]);
                }
                lines.push(items.join(ITEM_SPLITER));
            }
            tables.push(lines.join('\n'));
        });
        return tables.join('\n\n' +  BLOCK_SPLITER + '\n\n');
    }

    /**
     * Assemble content of other series
     * @param {Array.} series
     * @return {string}
     * @inner
     */
    function assembleOtherSeries(series) {
        return zrUtil.map(series, function (series) {
            var data = series.getRawData();
            var lines = [series.name];
            var vals = [];
            data.each(data.dimensions, function () {
                var argLen = arguments.length;
                var dataIndex = arguments[argLen - 1];
                var name = data.getName(dataIndex);
                for (var i = 0; i < argLen - 1; i++) {
                    vals[i] = arguments[i];
                }
                lines.push((name ? (name + ITEM_SPLITER) : '') + vals.join(ITEM_SPLITER));
            });
            return lines.join('\n');
        }).join('\n\n' + BLOCK_SPLITER + '\n\n');
    }

    /**
     * @param {module:echarts/model/Global}
     * @return {string}
     * @inner
     */
    function getContentFromModel(ecModel) {

        var result = groupSeries(ecModel);

        return {
            value: zrUtil.filter([
                    assembleSeriesWithCategoryAxis(result.seriesGroupByCategoryAxis),
                    assembleOtherSeries(result.other)
                ], function (str) {
                    return str.replace(/[\n\t\s]/g, '');
                }).join('\n\n' + BLOCK_SPLITER + '\n\n'),

            meta: result.meta
        };
    }


    function trim(str) {
        return str.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
    }
    /**
     * If a block is tsv format
     */
    function isTSVFormat(block) {
        // Simple method to find out if a block is tsv format
        var firstLine = block.slice(0, block.indexOf('\n'));
        if (firstLine.indexOf(ITEM_SPLITER) >= 0) {
            return true;
        }
    }

    var itemSplitRegex = new RegExp('[' + ITEM_SPLITER + ']+', 'g');
    /**
     * @param {string} tsv
     * @return {Array.