Viewing File: /home/cienp/public_html/portal/vendors/echarts/src/util/model.js
define(function(require) {
var formatUtil = require('./format');
var nubmerUtil = require('./number');
var zrUtil = require('zrender/core/util');
var AXIS_DIMS = ['x', 'y', 'z', 'radius', 'angle'];
var modelUtil = {};
/**
* Create "each" method to iterate names.
*
* @pubilc
* @param {Array.<string>} names
* @param {Array.<string>=} attrs
* @return {Function}
*/
modelUtil.createNameEach = function (names, attrs) {
names = names.slice();
var capitalNames = zrUtil.map(names, modelUtil.capitalFirst);
attrs = (attrs || []).slice();
var capitalAttrs = zrUtil.map(attrs, modelUtil.capitalFirst);
return function (callback, context) {
zrUtil.each(names, function (name, index) {
var nameObj = {name: name, capital: capitalNames[index]};
for (var j = 0; j < attrs.length; j++) {
nameObj[attrs[j]] = name + capitalAttrs[j];
}
callback.call(context, nameObj);
});
};
};
/**
* @public
*/
modelUtil.capitalFirst = function (str) {
return str ? str.charAt(0).toUpperCase() + str.substr(1) : str;
};
/**
* Iterate each dimension name.
*
* @public
* @param {Function} callback The parameter is like:
* {
* name: 'angle',
* capital: 'Angle',
* axis: 'angleAxis',
* axisIndex: 'angleAixs',
* index: 'angleIndex'
* }
* @param {Object} context
*/
modelUtil.eachAxisDim = modelUtil.createNameEach(AXIS_DIMS, ['axisIndex', 'axis', 'index']);
/**
* If value is not array, then translate it to array.
* @param {*} value
* @return {Array} [value] or value
*/
modelUtil.normalizeToArray = function (value) {
return zrUtil.isArray(value)
? value
: value == null
? []
: [value];
};
/**
* If tow dataZoomModels has the same axis controlled, we say that they are 'linked'.
* dataZoomModels and 'links' make up one or more graphics.
* This function finds the graphic where the source dataZoomModel is in.
*
* @public
* @param {Function} forEachNode Node iterator.
* @param {Function} forEachEdgeType edgeType iterator
* @param {Function} edgeIdGetter Giving node and edgeType, return an array of edge id.
* @return {Function} Input: sourceNode, Output: Like {nodes: [], dims: {}}
*/
modelUtil.createLinkedNodesFinder = function (forEachNode, forEachEdgeType, edgeIdGetter) {
return function (sourceNode) {
var result = {
nodes: [],
records: {} // key: edgeType.name, value: Object (key: edge id, value: boolean).
};
forEachEdgeType(function (edgeType) {
result.records[edgeType.name] = {};
});
if (!sourceNode) {
return result;
}
absorb(sourceNode, result);
var existsLink;
do {
existsLink = false;
forEachNode(processSingleNode);
}
while (existsLink);
function processSingleNode(node) {
if (!isNodeAbsorded(node, result) && isLinked(node, result)) {
absorb(node, result);
existsLink = true;
}
}
return result;
};
function isNodeAbsorded(node, result) {
return zrUtil.indexOf(result.nodes, node) >= 0;
}
function isLinked(node, result) {
var hasLink = false;
forEachEdgeType(function (edgeType) {
zrUtil.each(edgeIdGetter(node, edgeType) || [], function (edgeId) {
result.records[edgeType.name][edgeId] && (hasLink = true);
});
});
return hasLink;
}
function absorb(node, result) {
result.nodes.push(node);
forEachEdgeType(function (edgeType) {
zrUtil.each(edgeIdGetter(node, edgeType) || [], function (edgeId) {
result.records[edgeType.name][edgeId] = true;
});
});
}
};
/**
* Sync default option between normal and emphasis like `position` and `show`
* In case some one will write code like
* label: {
* normal: {
* show: false,
* position: 'outside',
* textStyle: {
* fontSize: 18
* }
* },
* emphasis: {
* show: true
* }
* }
* @param {Object} opt
* @param {Array.<string>} subOpts
*/
modelUtil.defaultEmphasis = function (opt, subOpts) {
if (opt) {
var emphasisOpt = opt.emphasis = opt.emphasis || {};
var normalOpt = opt.normal = opt.normal || {};
// Default emphasis option from normal
zrUtil.each(subOpts, function (subOptName) {
var val = zrUtil.retrieve(emphasisOpt[subOptName], normalOpt[subOptName]);
if (val != null) {
emphasisOpt[subOptName] = val;
}
});
}
};
modelUtil.LABEL_OPTIONS = ['position', 'show', 'textStyle', 'distance', 'formatter'];
/**
* data could be [12, 2323, {value: 223}, [1221, 23], {value: [2, 23]}]
* This helper method retieves value from data.
* @param {string|number|Date|Array|Object} dataItem
* @return {number|string|Date|Array.<number|string|Date>}
*/
modelUtil.getDataItemValue = function (dataItem) {
// Performance sensitive.
return dataItem && (dataItem.value == null ? dataItem : dataItem.value);
};
/**
* This helper method convert value in data.
* @param {string|number|Date} value
* @param {Object|string} [dimInfo] If string (like 'x'), dimType defaults 'number'.
*/
modelUtil.converDataValue = function (value, dimInfo) {
// Performance sensitive.
var dimType = dimInfo && dimInfo.type;
if (dimType === 'ordinal') {
return value;
}
if (dimType === 'time' && !isFinite(value) && value != null && value !== '-') {
value = +nubmerUtil.parseDate(value);
}
// dimType defaults 'number'.
// If dimType is not ordinal and value is null or undefined or NaN or '-',
// parse to NaN.
return (value == null || value === '')
? NaN : +value; // If string (like '-'), using '+' parse to NaN
};
modelUtil.dataFormatMixin = {
/**
* Get params for formatter
* @param {number} dataIndex
* @param {string} [dataType]
* @return {Object}
*/
getDataParams: function (dataIndex, dataType) {
var data = this.getData(dataType);
var seriesIndex = this.seriesIndex;
var seriesName = this.name;
var rawValue = this.getRawValue(dataIndex, dataType);
var rawDataIndex = data.getRawIndex(dataIndex);
var name = data.getName(dataIndex, true);
var itemOpt = data.getRawDataItem(dataIndex);
return {
componentType: this.mainType,
componentSubType: this.subType,
seriesType: this.mainType === 'series' ? this.subType : null,
seriesIndex: seriesIndex,
seriesName: seriesName,
name: name,
dataIndex: rawDataIndex,
data: itemOpt,
dataType: dataType,
value: rawValue,
color: data.getItemVisual(dataIndex, 'color'),
// Param name list for mapping `a`, `b`, `c`, `d`, `e`
$vars: ['seriesName', 'name', 'value']
};
},
/**
* Format label
* @param {number} dataIndex
* @param {string} [status='normal'] 'normal' or 'emphasis'
* @param {string} [dataType]
* @param {number} [dimIndex]
* @return {string}
*/
getFormattedLabel: function (dataIndex, status, dataType, dimIndex) {
status = status || 'normal';
var data = this.getData(dataType);
var itemModel = data.getItemModel(dataIndex);
var params = this.getDataParams(dataIndex, dataType);
if (dimIndex != null && zrUtil.isArray(params.value)) {
params.value = params.value[dimIndex];
}
var formatter = itemModel.get(['label', status, 'formatter']);
if (typeof formatter === 'function') {
params.status = status;
return formatter(params);
}
else if (typeof formatter === 'string') {
return formatUtil.formatTpl(formatter, params);
}
},
/**
* Get raw value in option
* @param {number} idx
* @param {string} [dataType]
* @return {Object}
*/
getRawValue: function (idx, dataType) {
var data = this.getData(dataType);
var dataItem = data.getRawDataItem(idx);
if (dataItem != null) {
return (zrUtil.isObject(dataItem) && !zrUtil.isArray(dataItem))
? dataItem.value : dataItem;
}
},
/**
* Should be implemented.
* @param {number} dataIndex
* @param {boolean} [multipleSeries=false]
* @param {number} [dataType]
* @return {string} tooltip string
*/
formatTooltip: zrUtil.noop
};
/**
* Mapping to exists for merge.
*
* @public
* @param {Array.<Object>|Array.<module:echarts/model/Component>} exists
* @param {Object|Array.<Object>} newCptOptions
* @return {Array.<Object>} Result, like [{exist: ..., option: ...}, {}],
* which order is the same as exists.
*/
modelUtil.mappingToExists = function (exists, newCptOptions) {
// Mapping by the order by original option (but not order of
// new option) in merge mode. Because we should ensure
// some specified index (like xAxisIndex) is consistent with
// original option, which is easy to understand, espatially in
// media query. And in most case, merge option is used to
// update partial option but not be expected to change order.
newCptOptions = (newCptOptions || []).slice();
var result = zrUtil.map(exists || [], function (obj, index) {
return {exist: obj};
});
// Mapping by id or name if specified.
zrUtil.each(newCptOptions, function (cptOption, index) {
if (!zrUtil.isObject(cptOption)) {
return;
}
for (var i = 0; i < result.length; i++) {
var exist = result[i].exist;
if (!result[i].option // Consider name: two map to one.
&& (
// id has highest priority.
(cptOption.id != null && exist.id === cptOption.id + '')
|| (cptOption.name != null
&& !modelUtil.isIdInner(cptOption)
&& !modelUtil.isIdInner(exist)
&& exist.name === cptOption.name + ''
)
)
) {
result[i].option = cptOption;
newCptOptions[index] = null;
break;
}
}
});
// Otherwise mapping by index.
zrUtil.each(newCptOptions, function (cptOption, index) {
if (!zrUtil.isObject(cptOption)) {
return;
}
var i = 0;
for (; i < result.length; i++) {
var exist = result[i].exist;
if (!result[i].option
&& !modelUtil.isIdInner(exist)
// Caution:
// Do not overwrite id. But name can be overwritten,
// because axis use name as 'show label text'.
// 'exist' always has id and name and we dont
// need to check it.
&& cptOption.id == null
) {
result[i].option = cptOption;
break;
}
}
if (i >= result.length) {
result.push({option: cptOption});
}
});
return result;
};
/**
* @public
* @param {Object} cptOption
* @return {boolean}
*/
modelUtil.isIdInner = function (cptOption) {
return zrUtil.isObject(cptOption)
&& cptOption.id
&& (cptOption.id + '').indexOf('\0_ec_\0') === 0;
};
return modelUtil;
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