FM / coord

/home/wespack/public_html/admin/vendors/echarts/src/coord/

/home/wespack/public_html/admin/vendors/echarts/src/coord

Name	Size	Mode	Actions
cartesian/	-	0755	rm
geo/	-	0755	rm
parallel/	-	0755	rm
polar/	-	0755	rm
radar/	-	0755	rm
single/	-	0755	rm
Axis.js	6413	0644	edit dl rm
axisDefault.js	3970	0644	edit dl rm
axisHelper.js	8124	0644	edit dl rm
axisModelCommonMixin.js	826	0644	edit dl rm
axisModelCreator.js	1968	0644	edit dl rm
View.js	7496	0644	edit dl rm

Edit: /home/wespack/public_html/admin/vendors/echarts/src/coord/axisHelper.js (8124B)

define(function (require) {

var OrdinalScale = require('../scale/Ordinal');
    var IntervalScale = require('../scale/Interval');
    require('../scale/Time');
    require('../scale/Log');
    var Scale = require('../scale/Scale');

var numberUtil = require('../util/number');
    var zrUtil = require('zrender/core/util');
    var textContain = require('zrender/contain/text');
    var axisHelper = {};

/**
     * Get axis scale extent before niced.
     */
    axisHelper.getScaleExtent = function (axis, model) {
        var scale = axis.scale;
        var originalExtent = scale.getExtent();
        var span = originalExtent[1] - originalExtent[0];
        if (scale.type === 'ordinal') {
            // If series has no data, scale extent may be wrong
            if (!isFinite(span)) {
                return [0, 0];
            }
            else {
                return originalExtent;
            }
        }
        var min = model.getMin ? model.getMin() : model.get('min');
        var max = model.getMax ? model.getMax() : model.get('max');
        var crossZero = model.getNeedCrossZero
            ? model.getNeedCrossZero() : !model.get('scale');
        var boundaryGap = model.get('boundaryGap');
        if (!zrUtil.isArray(boundaryGap)) {
            boundaryGap = [boundaryGap || 0, boundaryGap || 0];
        }
        boundaryGap[0] = numberUtil.parsePercent(boundaryGap[0], 1);
        boundaryGap[1] = numberUtil.parsePercent(boundaryGap[1], 1);
        var fixMin = true;
        var fixMax = true;
        // Add boundary gap
        if (min == null) {
            min = originalExtent[0] - boundaryGap[0] * span;
            fixMin = false;
        }
        if (max == null) {
            max = originalExtent[1] + boundaryGap[1] * span;
            fixMax = false;
        }
        if (min === 'dataMin') {
            min = originalExtent[0];
        }
        if (max === 'dataMax') {
            max = originalExtent[1];
        }
        // Evaluate if axis needs cross zero
        if (crossZero) {
            // Axis is over zero and min is not set
            if (min > 0 && max > 0 && !fixMin) {
                min = 0;
            }
            // Axis is under zero and max is not set
            if (min < 0 && max < 0 && !fixMax) {
                max = 0;
            }
        }
        return [min, max];
    };

axisHelper.niceScaleExtent = function (axis, model) {
        var scale = axis.scale;
        var extent = axisHelper.getScaleExtent(axis, model);
        var fixMin = (model.getMin ? model.getMin() : model.get('min')) != null;
        var fixMax = (model.getMax ? model.getMax() : model.get('max')) != null;
        var splitNumber = model.get('splitNumber');
        scale.setExtent(extent[0], extent[1]);
        scale.niceExtent(splitNumber, fixMin, fixMax);

// Use minInterval to constraint the calculated interval.
        // If calculated interval is less than minInterval. increase the interval quantity until
        // it is larger than minInterval.
        // For example:
        //  minInterval is 1, calculated interval is 0.2, so increase it to be 1. In this way we can get
        //  an integer axis.
        var minInterval = model.get('minInterval');
        if (isFinite(minInterval) && !fixMin && !fixMax && scale.type === 'interval') {
            var interval = scale.getInterval();
            var intervalScale = Math.max(Math.abs(interval), minInterval) / interval;
            // while (interval < minInterval) {
            //     var quantity = numberUtil.quantity(interval);
            //     interval = quantity * 10;
            //     scaleQuantity *= 10;
            // }
            extent = scale.getExtent();
            scale.setExtent(intervalScale * extent[0], extent[1] * intervalScale);
            scale.niceExtent(splitNumber);
        }

// If some one specified the min, max. And the default calculated interval
        // is not good enough. He can specify the interval. It is often appeared
        // in angle axis with angle 0 - 360. Interval calculated in interval scale is hard
        // to be 60.
        // FIXME
        var interval = model.get('interval');
        if (interval != null) {
            scale.setInterval && scale.setInterval(interval);
        }
    };

/**
     * @param {module:echarts/model/Model} model
     * @param {string} [axisType] Default retrieve from model.type
     * @return {module:echarts/scale/*}
     */
    axisHelper.createScaleByModel = function(model, axisType) {
        axisType = axisType || model.get('type');
        if (axisType) {
            switch (axisType) {
                // Buildin scale
                case 'category':
                    return new OrdinalScale(
                        model.getCategories(), [Infinity, -Infinity]
                    );
                case 'value':
                    return new IntervalScale();
                // Extended scale, like time and log
                default:
                    return (Scale.getClass(axisType) || IntervalScale).create(model);
            }
        }
    };

/**
     * Check if the axis corss 0
     */
    axisHelper.ifAxisCrossZero = function (axis) {
        var dataExtent = axis.scale.getExtent();
        var min = dataExtent[0];
        var max = dataExtent[1];
        return !((min > 0 && max > 0) || (min < 0 && max < 0));
    };

/**
     * @param {Array.<number>} tickCoords In axis self coordinate.
     * @param {Array.<string>} labels
     * @param {string} font
     * @param {boolean} isAxisHorizontal
     * @return {number}
     */
    axisHelper.getAxisLabelInterval = function (tickCoords, labels, font, isAxisHorizontal) {
        // FIXME
        // 不同角的axis和label，不只是horizontal和vertical.

var textSpaceTakenRect;
        var autoLabelInterval = 0;
        var accumulatedLabelInterval = 0;

/**
     * @param {Object} axis
     * @param {Function} labelFormatter
     * @return {Array.<string>}
     */
    axisHelper.getFormattedLabels = function (axis, labelFormatter) {
        var scale = axis.scale;
        var labels = scale.getTicksLabels();
        var ticks = scale.getTicks();
        if (typeof labelFormatter === 'string') {
            labelFormatter = (function (tpl) {
                return function (val) {
                    return tpl.replace('{value}', val);
                };
            })(labelFormatter);
            return zrUtil.map(labels, labelFormatter);
        }
        else if (typeof labelFormatter === 'function') {
            return zrUtil.map(ticks, function (tick, idx) {
                return labelFormatter(
                    axis.type === 'category' ? scale.getLabel(tick) : tick,
                    idx
                );
            }, this);
        }
        else {
            return labels;
        }
    };

return axisHelper;
});

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