zrender
Version:
A lightweight graphic library providing 2d draw for Apache ECharts
1,456 lines (1,439 loc) • 672 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
typeof define === 'function' && define.amd ? define(['exports'], factory) :
(global = global || self, factory(global.zrender = {}));
}(this, (function (exports) { 'use strict';
var Browser = (function () {
function Browser() {
this.firefox = false;
this.ie = false;
this.edge = false;
this.newEdge = false;
this.weChat = false;
}
return Browser;
}());
var Env = (function () {
function Env() {
this.browser = new Browser();
this.node = false;
this.wxa = false;
this.worker = false;
this.svgSupported = false;
this.touchEventsSupported = false;
this.pointerEventsSupported = false;
this.domSupported = false;
this.transformSupported = false;
this.transform3dSupported = false;
this.hasGlobalWindow = typeof window !== 'undefined';
}
return Env;
}());
var env = new Env();
if (typeof wx === 'object' && typeof wx.getSystemInfoSync === 'function') {
env.wxa = true;
env.touchEventsSupported = true;
}
else if (typeof document === 'undefined' && typeof self !== 'undefined') {
env.worker = true;
}
else if (typeof navigator === 'undefined'
|| navigator.userAgent.indexOf('Node.js') === 0) {
env.node = true;
env.svgSupported = true;
}
else {
detect(navigator.userAgent, env);
}
function detect(ua, env) {
var browser = env.browser;
var firefox = ua.match(/Firefox\/([\d.]+)/);
var ie = ua.match(/MSIE\s([\d.]+)/)
|| ua.match(/Trident\/.+?rv:(([\d.]+))/);
var edge = ua.match(/Edge?\/([\d.]+)/);
var weChat = (/micromessenger/i).test(ua);
if (firefox) {
browser.firefox = true;
browser.version = firefox[1];
}
if (ie) {
browser.ie = true;
browser.version = ie[1];
}
if (edge) {
browser.edge = true;
browser.version = edge[1];
browser.newEdge = +edge[1].split('.')[0] > 18;
}
if (weChat) {
browser.weChat = true;
}
env.svgSupported = typeof SVGRect !== 'undefined';
env.touchEventsSupported = 'ontouchstart' in window && !browser.ie && !browser.edge;
env.pointerEventsSupported = 'onpointerdown' in window
&& (browser.edge || (browser.ie && +browser.version >= 11));
env.domSupported = typeof document !== 'undefined';
var style = document.documentElement.style;
env.transform3dSupported = ((browser.ie && 'transition' in style)
|| browser.edge
|| (('WebKitCSSMatrix' in window) && ('m11' in new WebKitCSSMatrix()))
|| 'MozPerspective' in style)
&& !('OTransition' in style);
env.transformSupported = env.transform3dSupported
|| (browser.ie && +browser.version >= 9);
}
var DEFAULT_FONT_SIZE = 12;
var DEFAULT_FONT_FAMILY = 'sans-serif';
var DEFAULT_FONT = DEFAULT_FONT_SIZE + "px " + DEFAULT_FONT_FAMILY;
var OFFSET = 20;
var SCALE = 100;
var defaultWidthMapStr = "007LLmW'55;N0500LLLLLLLLLL00NNNLzWW\\\\WQb\\0FWLg\\bWb\\WQ\\WrWWQ000CL5LLFLL0LL**F*gLLLL5F0LF\\FFF5.5N";
function getTextWidthMap(mapStr) {
var map = {};
if (typeof JSON === 'undefined') {
return map;
}
for (var i = 0; i < mapStr.length; i++) {
var char = String.fromCharCode(i + 32);
var size = (mapStr.charCodeAt(i) - OFFSET) / SCALE;
map[char] = size;
}
return map;
}
var DEFAULT_TEXT_WIDTH_MAP = getTextWidthMap(defaultWidthMapStr);
var platformApi = {
createCanvas: function () {
return typeof document !== 'undefined'
&& document.createElement('canvas');
},
measureText: (function () {
var _ctx;
var _cachedFont;
return function (text, font) {
if (!_ctx) {
var canvas = platformApi.createCanvas();
_ctx = canvas && canvas.getContext('2d');
}
if (_ctx) {
if (_cachedFont !== font) {
_cachedFont = _ctx.font = font || DEFAULT_FONT;
}
return _ctx.measureText(text);
}
else {
text = text || '';
font = font || DEFAULT_FONT;
var res = /(\d+)px/.exec(font);
var fontSize = res && +res[1] || DEFAULT_FONT_SIZE;
var width = 0;
if (font.indexOf('mono') >= 0) {
width = fontSize * text.length;
}
else {
for (var i = 0; i < text.length; i++) {
var preCalcWidth = DEFAULT_TEXT_WIDTH_MAP[text[i]];
width += preCalcWidth == null ? fontSize : (preCalcWidth * fontSize);
}
}
return { width: width };
}
};
})(),
loadImage: function (src, onload, onerror) {
var image = new Image();
image.onload = onload;
image.onerror = onerror;
image.src = src;
return image;
}
};
function setPlatformAPI(newPlatformApis) {
for (var key in platformApi) {
if (newPlatformApis[key]) {
platformApi[key] = newPlatformApis[key];
}
}
}
var BUILTIN_OBJECT = reduce([
'Function',
'RegExp',
'Date',
'Error',
'CanvasGradient',
'CanvasPattern',
'Image',
'Canvas'
], function (obj, val) {
obj['[object ' + val + ']'] = true;
return obj;
}, {});
var TYPED_ARRAY = reduce([
'Int8',
'Uint8',
'Uint8Clamped',
'Int16',
'Uint16',
'Int32',
'Uint32',
'Float32',
'Float64'
], function (obj, val) {
obj['[object ' + val + 'Array]'] = true;
return obj;
}, {});
var objToString = Object.prototype.toString;
var arrayProto = Array.prototype;
var nativeForEach = arrayProto.forEach;
var nativeFilter = arrayProto.filter;
var nativeSlice = arrayProto.slice;
var nativeMap = arrayProto.map;
var ctorFunction = function () { }.constructor;
var protoFunction = ctorFunction ? ctorFunction.prototype : null;
var protoKey = '__proto__';
var idStart = 0x0907;
function guid() {
return idStart++;
}
function logError() {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
if (typeof console !== 'undefined') {
console.error.apply(console, args);
}
}
function clone(source) {
if (source == null || typeof source !== 'object') {
return source;
}
var result = source;
var typeStr = objToString.call(source);
if (typeStr === '[object Array]') {
if (!isPrimitive(source)) {
result = [];
for (var i = 0, len = source.length; i < len; i++) {
result[i] = clone(source[i]);
}
}
}
else if (TYPED_ARRAY[typeStr]) {
if (!isPrimitive(source)) {
var Ctor = source.constructor;
if (Ctor.from) {
result = Ctor.from(source);
}
else {
result = new Ctor(source.length);
for (var i = 0, len = source.length; i < len; i++) {
result[i] = source[i];
}
}
}
}
else if (!BUILTIN_OBJECT[typeStr] && !isPrimitive(source) && !isDom(source)) {
result = {};
for (var key in source) {
if (source.hasOwnProperty(key) && key !== protoKey) {
result[key] = clone(source[key]);
}
}
}
return result;
}
function merge(target, source, overwrite) {
if (!isObject(source) || !isObject(target)) {
return overwrite ? clone(source) : target;
}
for (var key in source) {
if (source.hasOwnProperty(key) && key !== protoKey) {
var targetProp = target[key];
var sourceProp = source[key];
if (isObject(sourceProp)
&& isObject(targetProp)
&& !isArray(sourceProp)
&& !isArray(targetProp)
&& !isDom(sourceProp)
&& !isDom(targetProp)
&& !isBuiltInObject(sourceProp)
&& !isBuiltInObject(targetProp)
&& !isPrimitive(sourceProp)
&& !isPrimitive(targetProp)) {
merge(targetProp, sourceProp, overwrite);
}
else if (overwrite || !(key in target)) {
target[key] = clone(source[key]);
}
}
}
return target;
}
function mergeAll(targetAndSources, overwrite) {
var result = targetAndSources[0];
for (var i = 1, len = targetAndSources.length; i < len; i++) {
result = merge(result, targetAndSources[i], overwrite);
}
return result;
}
function extend(target, source) {
if (Object.assign) {
Object.assign(target, source);
}
else {
for (var key in source) {
if (source.hasOwnProperty(key) && key !== protoKey) {
target[key] = source[key];
}
}
}
return target;
}
function defaults(target, source, overlay) {
var keysArr = keys(source);
for (var i = 0; i < keysArr.length; i++) {
var key = keysArr[i];
if ((overlay ? source[key] != null : target[key] == null)) {
target[key] = source[key];
}
}
return target;
}
var createCanvas = platformApi.createCanvas;
function indexOf(array, value) {
if (array) {
if (array.indexOf) {
return array.indexOf(value);
}
for (var i = 0, len = array.length; i < len; i++) {
if (array[i] === value) {
return i;
}
}
}
return -1;
}
function inherits(clazz, baseClazz) {
var clazzPrototype = clazz.prototype;
function F() { }
F.prototype = baseClazz.prototype;
clazz.prototype = new F();
for (var prop in clazzPrototype) {
if (clazzPrototype.hasOwnProperty(prop)) {
clazz.prototype[prop] = clazzPrototype[prop];
}
}
clazz.prototype.constructor = clazz;
clazz.superClass = baseClazz;
}
function mixin(target, source, override) {
target = 'prototype' in target ? target.prototype : target;
source = 'prototype' in source ? source.prototype : source;
if (Object.getOwnPropertyNames) {
var keyList = Object.getOwnPropertyNames(source);
for (var i = 0; i < keyList.length; i++) {
var key = keyList[i];
if (key !== 'constructor') {
if ((override ? source[key] != null : target[key] == null)) {
target[key] = source[key];
}
}
}
}
else {
defaults(target, source, override);
}
}
function isArrayLike(data) {
if (!data) {
return false;
}
if (typeof data === 'string') {
return false;
}
return typeof data.length === 'number';
}
function each(arr, cb, context) {
if (!(arr && cb)) {
return;
}
if (arr.forEach && arr.forEach === nativeForEach) {
arr.forEach(cb, context);
}
else if (arr.length === +arr.length) {
for (var i = 0, len = arr.length; i < len; i++) {
cb.call(context, arr[i], i, arr);
}
}
else {
for (var key in arr) {
if (arr.hasOwnProperty(key)) {
cb.call(context, arr[key], key, arr);
}
}
}
}
function map(arr, cb, context) {
if (!arr) {
return [];
}
if (!cb) {
return slice(arr);
}
if (arr.map && arr.map === nativeMap) {
return arr.map(cb, context);
}
else {
var result = [];
for (var i = 0, len = arr.length; i < len; i++) {
result.push(cb.call(context, arr[i], i, arr));
}
return result;
}
}
function reduce(arr, cb, memo, context) {
if (!(arr && cb)) {
return;
}
for (var i = 0, len = arr.length; i < len; i++) {
memo = cb.call(context, memo, arr[i], i, arr);
}
return memo;
}
function filter(arr, cb, context) {
if (!arr) {
return [];
}
if (!cb) {
return slice(arr);
}
if (arr.filter && arr.filter === nativeFilter) {
return arr.filter(cb, context);
}
else {
var result = [];
for (var i = 0, len = arr.length; i < len; i++) {
if (cb.call(context, arr[i], i, arr)) {
result.push(arr[i]);
}
}
return result;
}
}
function find(arr, cb, context) {
if (!(arr && cb)) {
return;
}
for (var i = 0, len = arr.length; i < len; i++) {
if (cb.call(context, arr[i], i, arr)) {
return arr[i];
}
}
}
function keys(obj) {
if (!obj) {
return [];
}
if (Object.keys) {
return Object.keys(obj);
}
var keyList = [];
for (var key in obj) {
if (obj.hasOwnProperty(key)) {
keyList.push(key);
}
}
return keyList;
}
function bindPolyfill(func, context) {
var args = [];
for (var _i = 2; _i < arguments.length; _i++) {
args[_i - 2] = arguments[_i];
}
return function () {
return func.apply(context, args.concat(nativeSlice.call(arguments)));
};
}
var bind = (protoFunction && isFunction(protoFunction.bind))
? protoFunction.call.bind(protoFunction.bind)
: bindPolyfill;
function curry(func) {
var args = [];
for (var _i = 1; _i < arguments.length; _i++) {
args[_i - 1] = arguments[_i];
}
return function () {
return func.apply(this, args.concat(nativeSlice.call(arguments)));
};
}
function isArray(value) {
if (Array.isArray) {
return Array.isArray(value);
}
return objToString.call(value) === '[object Array]';
}
function isFunction(value) {
return typeof value === 'function';
}
function isString(value) {
return typeof value === 'string';
}
function isStringSafe(value) {
return objToString.call(value) === '[object String]';
}
function isNumber(value) {
return typeof value === 'number';
}
function isObject(value) {
var type = typeof value;
return type === 'function' || (!!value && type === 'object');
}
function isBuiltInObject(value) {
return !!BUILTIN_OBJECT[objToString.call(value)];
}
function isTypedArray(value) {
return !!TYPED_ARRAY[objToString.call(value)];
}
function isDom(value) {
return typeof value === 'object'
&& typeof value.nodeType === 'number'
&& typeof value.ownerDocument === 'object';
}
function isGradientObject(value) {
return value.colorStops != null;
}
function isImagePatternObject(value) {
return value.image != null;
}
function isRegExp(value) {
return objToString.call(value) === '[object RegExp]';
}
function eqNaN(value) {
return value !== value;
}
function retrieve() {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
for (var i = 0, len = args.length; i < len; i++) {
if (args[i] != null) {
return args[i];
}
}
}
function retrieve2(value0, value1) {
return value0 != null
? value0
: value1;
}
function retrieve3(value0, value1, value2) {
return value0 != null
? value0
: value1 != null
? value1
: value2;
}
function slice(arr) {
var args = [];
for (var _i = 1; _i < arguments.length; _i++) {
args[_i - 1] = arguments[_i];
}
return nativeSlice.apply(arr, args);
}
function normalizeCssArray(val) {
if (typeof (val) === 'number') {
return [val, val, val, val];
}
var len = val.length;
if (len === 2) {
return [val[0], val[1], val[0], val[1]];
}
else if (len === 3) {
return [val[0], val[1], val[2], val[1]];
}
return val;
}
function assert(condition, message) {
if (!condition) {
throw new Error(message);
}
}
function trim(str) {
if (str == null) {
return null;
}
else if (typeof str.trim === 'function') {
return str.trim();
}
else {
return str.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
}
}
var primitiveKey = '__ec_primitive__';
function setAsPrimitive(obj) {
obj[primitiveKey] = true;
}
function isPrimitive(obj) {
return obj[primitiveKey];
}
var MapPolyfill = (function () {
function MapPolyfill() {
this.data = {};
}
MapPolyfill.prototype["delete"] = function (key) {
var existed = this.has(key);
if (existed) {
delete this.data[key];
}
return existed;
};
MapPolyfill.prototype.has = function (key) {
return this.data.hasOwnProperty(key);
};
MapPolyfill.prototype.get = function (key) {
return this.data[key];
};
MapPolyfill.prototype.set = function (key, value) {
this.data[key] = value;
return this;
};
MapPolyfill.prototype.keys = function () {
return keys(this.data);
};
MapPolyfill.prototype.forEach = function (callback) {
var data = this.data;
for (var key in data) {
if (data.hasOwnProperty(key)) {
callback(data[key], key);
}
}
};
return MapPolyfill;
}());
var isNativeMapSupported = typeof Map === 'function';
function maybeNativeMap() {
return (isNativeMapSupported ? new Map() : new MapPolyfill());
}
var HashMap = (function () {
function HashMap(obj) {
var isArr = isArray(obj);
this.data = maybeNativeMap();
var thisMap = this;
(obj instanceof HashMap)
? obj.each(visit)
: (obj && each(obj, visit));
function visit(value, key) {
isArr ? thisMap.set(value, key) : thisMap.set(key, value);
}
}
HashMap.prototype.hasKey = function (key) {
return this.data.has(key);
};
HashMap.prototype.get = function (key) {
return this.data.get(key);
};
HashMap.prototype.set = function (key, value) {
this.data.set(key, value);
return value;
};
HashMap.prototype.each = function (cb, context) {
this.data.forEach(function (value, key) {
cb.call(context, value, key);
});
};
HashMap.prototype.keys = function () {
var keys = this.data.keys();
return isNativeMapSupported
? Array.from(keys)
: keys;
};
HashMap.prototype.removeKey = function (key) {
this.data["delete"](key);
};
return HashMap;
}());
function createHashMap(obj) {
return new HashMap(obj);
}
function concatArray(a, b) {
var newArray = new a.constructor(a.length + b.length);
for (var i = 0; i < a.length; i++) {
newArray[i] = a[i];
}
var offset = a.length;
for (var i = 0; i < b.length; i++) {
newArray[i + offset] = b[i];
}
return newArray;
}
function createObject(proto, properties) {
var obj;
if (Object.create) {
obj = Object.create(proto);
}
else {
var StyleCtor = function () { };
StyleCtor.prototype = proto;
obj = new StyleCtor();
}
if (properties) {
extend(obj, properties);
}
return obj;
}
function disableUserSelect(dom) {
var domStyle = dom.style;
domStyle.webkitUserSelect = 'none';
domStyle.userSelect = 'none';
domStyle.webkitTapHighlightColor = 'rgba(0,0,0,0)';
domStyle['-webkit-touch-callout'] = 'none';
}
function hasOwn(own, prop) {
return own.hasOwnProperty(prop);
}
function noop() { }
var RADIAN_TO_DEGREE = 180 / Math.PI;
var util = /*#__PURE__*/Object.freeze({
__proto__: null,
guid: guid,
logError: logError,
clone: clone,
merge: merge,
mergeAll: mergeAll,
extend: extend,
defaults: defaults,
createCanvas: createCanvas,
indexOf: indexOf,
inherits: inherits,
mixin: mixin,
isArrayLike: isArrayLike,
each: each,
map: map,
reduce: reduce,
filter: filter,
find: find,
keys: keys,
bind: bind,
curry: curry,
isArray: isArray,
isFunction: isFunction,
isString: isString,
isStringSafe: isStringSafe,
isNumber: isNumber,
isObject: isObject,
isBuiltInObject: isBuiltInObject,
isTypedArray: isTypedArray,
isDom: isDom,
isGradientObject: isGradientObject,
isImagePatternObject: isImagePatternObject,
isRegExp: isRegExp,
eqNaN: eqNaN,
retrieve: retrieve,
retrieve2: retrieve2,
retrieve3: retrieve3,
slice: slice,
normalizeCssArray: normalizeCssArray,
assert: assert,
trim: trim,
setAsPrimitive: setAsPrimitive,
isPrimitive: isPrimitive,
HashMap: HashMap,
createHashMap: createHashMap,
concatArray: concatArray,
createObject: createObject,
disableUserSelect: disableUserSelect,
hasOwn: hasOwn,
noop: noop,
RADIAN_TO_DEGREE: RADIAN_TO_DEGREE
});
/*! *****************************************************************************
Copyright (c) Microsoft Corporation. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use
this file except in compliance with the License. You may obtain a copy of the
License at http://www.apache.org/licenses/LICENSE-2.0
THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
MERCHANTABLITY OR NON-INFRINGEMENT.
See the Apache Version 2.0 License for specific language governing permissions
and limitations under the License.
***************************************************************************** */
/* global Reflect, Promise */
var extendStatics = function(d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
function __extends(d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
}
function create(x, y) {
if (x == null) {
x = 0;
}
if (y == null) {
y = 0;
}
return [x, y];
}
function copy(out, v) {
out[0] = v[0];
out[1] = v[1];
return out;
}
function clone$1(v) {
return [v[0], v[1]];
}
function set(out, a, b) {
out[0] = a;
out[1] = b;
return out;
}
function add(out, v1, v2) {
out[0] = v1[0] + v2[0];
out[1] = v1[1] + v2[1];
return out;
}
function scaleAndAdd(out, v1, v2, a) {
out[0] = v1[0] + v2[0] * a;
out[1] = v1[1] + v2[1] * a;
return out;
}
function sub(out, v1, v2) {
out[0] = v1[0] - v2[0];
out[1] = v1[1] - v2[1];
return out;
}
function len(v) {
return Math.sqrt(lenSquare(v));
}
var length = len;
function lenSquare(v) {
return v[0] * v[0] + v[1] * v[1];
}
var lengthSquare = lenSquare;
function mul(out, v1, v2) {
out[0] = v1[0] * v2[0];
out[1] = v1[1] * v2[1];
return out;
}
function div(out, v1, v2) {
out[0] = v1[0] / v2[0];
out[1] = v1[1] / v2[1];
return out;
}
function dot(v1, v2) {
return v1[0] * v2[0] + v1[1] * v2[1];
}
function scale(out, v, s) {
out[0] = v[0] * s;
out[1] = v[1] * s;
return out;
}
function normalize(out, v) {
var d = len(v);
if (d === 0) {
out[0] = 0;
out[1] = 0;
}
else {
out[0] = v[0] / d;
out[1] = v[1] / d;
}
return out;
}
function distance(v1, v2) {
return Math.sqrt((v1[0] - v2[0]) * (v1[0] - v2[0])
+ (v1[1] - v2[1]) * (v1[1] - v2[1]));
}
var dist = distance;
function distanceSquare(v1, v2) {
return (v1[0] - v2[0]) * (v1[0] - v2[0])
+ (v1[1] - v2[1]) * (v1[1] - v2[1]);
}
var distSquare = distanceSquare;
function negate(out, v) {
out[0] = -v[0];
out[1] = -v[1];
return out;
}
function lerp(out, v1, v2, t) {
out[0] = v1[0] + t * (v2[0] - v1[0]);
out[1] = v1[1] + t * (v2[1] - v1[1]);
return out;
}
function applyTransform(out, v, m) {
var x = v[0];
var y = v[1];
out[0] = m[0] * x + m[2] * y + m[4];
out[1] = m[1] * x + m[3] * y + m[5];
return out;
}
function min(out, v1, v2) {
out[0] = Math.min(v1[0], v2[0]);
out[1] = Math.min(v1[1], v2[1]);
return out;
}
function max(out, v1, v2) {
out[0] = Math.max(v1[0], v2[0]);
out[1] = Math.max(v1[1], v2[1]);
return out;
}
var vector = /*#__PURE__*/Object.freeze({
__proto__: null,
create: create,
copy: copy,
clone: clone$1,
set: set,
add: add,
scaleAndAdd: scaleAndAdd,
sub: sub,
len: len,
length: length,
lenSquare: lenSquare,
lengthSquare: lengthSquare,
mul: mul,
div: div,
dot: dot,
scale: scale,
normalize: normalize,
distance: distance,
dist: dist,
distanceSquare: distanceSquare,
distSquare: distSquare,
negate: negate,
lerp: lerp,
applyTransform: applyTransform,
min: min,
max: max
});
var Param = (function () {
function Param(target, e) {
this.target = target;
this.topTarget = e && e.topTarget;
}
return Param;
}());
var Draggable = (function () {
function Draggable(handler) {
this.handler = handler;
handler.on('mousedown', this._dragStart, this);
handler.on('mousemove', this._drag, this);
handler.on('mouseup', this._dragEnd, this);
}
Draggable.prototype._dragStart = function (e) {
var draggingTarget = e.target;
while (draggingTarget && !draggingTarget.draggable) {
draggingTarget = draggingTarget.parent || draggingTarget.__hostTarget;
}
if (draggingTarget) {
this._draggingTarget = draggingTarget;
draggingTarget.dragging = true;
this._x = e.offsetX;
this._y = e.offsetY;
this.handler.dispatchToElement(new Param(draggingTarget, e), 'dragstart', e.event);
}
};
Draggable.prototype._drag = function (e) {
var draggingTarget = this._draggingTarget;
if (draggingTarget) {
var x = e.offsetX;
var y = e.offsetY;
var dx = x - this._x;
var dy = y - this._y;
this._x = x;
this._y = y;
draggingTarget.drift(dx, dy, e);
this.handler.dispatchToElement(new Param(draggingTarget, e), 'drag', e.event);
var dropTarget = this.handler.findHover(x, y, draggingTarget).target;
var lastDropTarget = this._dropTarget;
this._dropTarget = dropTarget;
if (draggingTarget !== dropTarget) {
if (lastDropTarget && dropTarget !== lastDropTarget) {
this.handler.dispatchToElement(new Param(lastDropTarget, e), 'dragleave', e.event);
}
if (dropTarget && dropTarget !== lastDropTarget) {
this.handler.dispatchToElement(new Param(dropTarget, e), 'dragenter', e.event);
}
}
}
};
Draggable.prototype._dragEnd = function (e) {
var draggingTarget = this._draggingTarget;
if (draggingTarget) {
draggingTarget.dragging = false;
}
this.handler.dispatchToElement(new Param(draggingTarget, e), 'dragend', e.event);
if (this._dropTarget) {
this.handler.dispatchToElement(new Param(this._dropTarget, e), 'drop', e.event);
}
this._draggingTarget = null;
this._dropTarget = null;
};
return Draggable;
}());
var Eventful = (function () {
function Eventful(eventProcessors) {
if (eventProcessors) {
this._$eventProcessor = eventProcessors;
}
}
Eventful.prototype.on = function (event, query, handler, context) {
if (!this._$handlers) {
this._$handlers = {};
}
var _h = this._$handlers;
if (typeof query === 'function') {
context = handler;
handler = query;
query = null;
}
if (!handler || !event) {
return this;
}
var eventProcessor = this._$eventProcessor;
if (query != null && eventProcessor && eventProcessor.normalizeQuery) {
query = eventProcessor.normalizeQuery(query);
}
if (!_h[event]) {
_h[event] = [];
}
for (var i = 0; i < _h[event].length; i++) {
if (_h[event][i].h === handler) {
return this;
}
}
var wrap = {
h: handler,
query: query,
ctx: (context || this),
callAtLast: handler.zrEventfulCallAtLast
};
var lastIndex = _h[event].length - 1;
var lastWrap = _h[event][lastIndex];
(lastWrap && lastWrap.callAtLast)
? _h[event].splice(lastIndex, 0, wrap)
: _h[event].push(wrap);
return this;
};
Eventful.prototype.isSilent = function (eventName) {
var _h = this._$handlers;
return !_h || !_h[eventName] || !_h[eventName].length;
};
Eventful.prototype.off = function (eventType, handler) {
var _h = this._$handlers;
if (!_h) {
return this;
}
if (!eventType) {
this._$handlers = {};
return this;
}
if (handler) {
if (_h[eventType]) {
var newList = [];
for (var i = 0, l = _h[eventType].length; i < l; i++) {
if (_h[eventType][i].h !== handler) {
newList.push(_h[eventType][i]);
}
}
_h[eventType] = newList;
}
if (_h[eventType] && _h[eventType].length === 0) {
delete _h[eventType];
}
}
else {
delete _h[eventType];
}
return this;
};
Eventful.prototype.trigger = function (eventType) {
var args = [];
for (var _i = 1; _i < arguments.length; _i++) {
args[_i - 1] = arguments[_i];
}
if (!this._$handlers) {
return this;
}
var _h = this._$handlers[eventType];
var eventProcessor = this._$eventProcessor;
if (_h) {
var argLen = args.length;
var len = _h.length;
for (var i = 0; i < len; i++) {
var hItem = _h[i];
if (eventProcessor
&& eventProcessor.filter
&& hItem.query != null
&& !eventProcessor.filter(eventType, hItem.query)) {
continue;
}
switch (argLen) {
case 0:
hItem.h.call(hItem.ctx);
break;
case 1:
hItem.h.call(hItem.ctx, args[0]);
break;
case 2:
hItem.h.call(hItem.ctx, args[0], args[1]);
break;
default:
hItem.h.apply(hItem.ctx, args);
break;
}
}
}
eventProcessor && eventProcessor.afterTrigger
&& eventProcessor.afterTrigger(eventType);
return this;
};
Eventful.prototype.triggerWithContext = function (type) {
var args = [];
for (var _i = 1; _i < arguments.length; _i++) {
args[_i - 1] = arguments[_i];
}
if (!this._$handlers) {
return this;
}
var _h = this._$handlers[type];
var eventProcessor = this._$eventProcessor;
if (_h) {
var argLen = args.length;
var ctx = args[argLen - 1];
var len = _h.length;
for (var i = 0; i < len; i++) {
var hItem = _h[i];
if (eventProcessor
&& eventProcessor.filter
&& hItem.query != null
&& !eventProcessor.filter(type, hItem.query)) {
continue;
}
switch (argLen) {
case 0:
hItem.h.call(ctx);
break;
case 1:
hItem.h.call(ctx, args[0]);
break;
case 2:
hItem.h.call(ctx, args[0], args[1]);
break;
default:
hItem.h.apply(ctx, args.slice(1, argLen - 1));
break;
}
}
}
eventProcessor && eventProcessor.afterTrigger
&& eventProcessor.afterTrigger(type);
return this;
};
return Eventful;
}());
var LN2 = Math.log(2);
function determinant(rows, rank, rowStart, rowMask, colMask, detCache) {
var cacheKey = rowMask + '-' + colMask;
var fullRank = rows.length;
if (detCache.hasOwnProperty(cacheKey)) {
return detCache[cacheKey];
}
if (rank === 1) {
var colStart = Math.round(Math.log(((1 << fullRank) - 1) & ~colMask) / LN2);
return rows[rowStart][colStart];
}
var subRowMask = rowMask | (1 << rowStart);
var subRowStart = rowStart + 1;
while (rowMask & (1 << subRowStart)) {
subRowStart++;
}
var sum = 0;
for (var j = 0, colLocalIdx = 0; j < fullRank; j++) {
var colTag = 1 << j;
if (!(colTag & colMask)) {
sum += (colLocalIdx % 2 ? -1 : 1) * rows[rowStart][j]
* determinant(rows, rank - 1, subRowStart, subRowMask, colMask | colTag, detCache);
colLocalIdx++;
}
}
detCache[cacheKey] = sum;
return sum;
}
function buildTransformer(src, dest) {
var mA = [
[src[0], src[1], 1, 0, 0, 0, -dest[0] * src[0], -dest[0] * src[1]],
[0, 0, 0, src[0], src[1], 1, -dest[1] * src[0], -dest[1] * src[1]],
[src[2], src[3], 1, 0, 0, 0, -dest[2] * src[2], -dest[2] * src[3]],
[0, 0, 0, src[2], src[3], 1, -dest[3] * src[2], -dest[3] * src[3]],
[src[4], src[5], 1, 0, 0, 0, -dest[4] * src[4], -dest[4] * src[5]],
[0, 0, 0, src[4], src[5], 1, -dest[5] * src[4], -dest[5] * src[5]],
[src[6], src[7], 1, 0, 0, 0, -dest[6] * src[6], -dest[6] * src[7]],
[0, 0, 0, src[6], src[7], 1, -dest[7] * src[6], -dest[7] * src[7]]
];
var detCache = {};
var det = determinant(mA, 8, 0, 0, 0, detCache);
if (det === 0) {
return;
}
var vh = [];
for (var i = 0; i < 8; i++) {
for (var j = 0; j < 8; j++) {
vh[j] == null && (vh[j] = 0);
vh[j] += ((i + j) % 2 ? -1 : 1)
* determinant(mA, 7, i === 0 ? 1 : 0, 1 << i, 1 << j, detCache)
/ det * dest[i];
}
}
return function (out, srcPointX, srcPointY) {
var pk = srcPointX * vh[6] + srcPointY * vh[7] + 1;
out[0] = (srcPointX * vh[0] + srcPointY * vh[1] + vh[2]) / pk;
out[1] = (srcPointX * vh[3] + srcPointY * vh[4] + vh[5]) / pk;
};
}
var EVENT_SAVED_PROP = '___zrEVENTSAVED';
function transformCoordWithViewport(out, el, inX, inY, inverse) {
if (el.getBoundingClientRect && env.domSupported && !isCanvasEl(el)) {
var saved = el[EVENT_SAVED_PROP] || (el[EVENT_SAVED_PROP] = {});
var markers = prepareCoordMarkers(el, saved);
var transformer = preparePointerTransformer(markers, saved, inverse);
if (transformer) {
transformer(out, inX, inY);
return true;
}
}
return false;
}
function prepareCoordMarkers(el, saved) {
var markers = saved.markers;
if (markers) {
return markers;
}
markers = saved.markers = [];
var propLR = ['left', 'right'];
var propTB = ['top', 'bottom'];
for (var i = 0; i < 4; i++) {
var marker = document.createElement('div');
var stl = marker.style;
var idxLR = i % 2;
var idxTB = (i >> 1) % 2;
stl.cssText = [
'position: absolute',
'visibility: hidden',
'padding: 0',
'margin: 0',
'border-width: 0',
'user-select: none',
'width:0',
'height:0',
propLR[idxLR] + ':0',
propTB[idxTB] + ':0',
propLR[1 - idxLR] + ':auto',
propTB[1 - idxTB] + ':auto',
''
].join('!important;');
el.appendChild(marker);
markers.push(marker);
}
return markers;
}
function preparePointerTransformer(markers, saved, inverse) {
var transformerName = inverse ? 'invTrans' : 'trans';
var transformer = saved[transformerName];
var oldSrcCoords = saved.srcCoords;
var srcCoords = [];
var destCoords = [];
var oldCoordTheSame = true;
for (var i = 0; i < 4; i++) {
var rect = markers[i].getBoundingClientRect();
var ii = 2 * i;
var x = rect.left;
var y = rect.top;
srcCoords.push(x, y);
oldCoordTheSame = oldCoordTheSame && oldSrcCoords && x === oldSrcCoords[ii] && y === oldSrcCoords[ii + 1];
destCoords.push(markers[i].offsetLeft, markers[i].offsetTop);
}
return (oldCoordTheSame && transformer)
? transformer
: (saved.srcCoords = srcCoords,
saved[transformerName] = inverse
? buildTransformer(destCoords, srcCoords)
: buildTransformer(srcCoords, destCoords));
}
function isCanvasEl(el) {
return el.nodeName.toUpperCase() === 'CANVAS';
}
var replaceReg = /([&<>"'])/g;
var replaceMap = {
'&': '&',
'<': '<',
'>': '>',
'"': '"',
'\'': '''
};
function encodeHTML(source) {
return source == null
? ''
: (source + '').replace(replaceReg, function (str, c) {
return replaceMap[c];
});
}
var MOUSE_EVENT_REG = /^(?:mouse|pointer|contextmenu|drag|drop)|click/;
var _calcOut = [];
var firefoxNotSupportOffsetXY = env.browser.firefox
&& +env.browser.version.split('.')[0] < 39;
function clientToLocal(el, e, out, calculate) {
out = out || {};
if (calculate) {
calculateZrXY(el, e, out);
}
else if (firefoxNotSupportOffsetXY
&& e.layerX != null
&& e.layerX !== e.offsetX) {
out.zrX = e.layerX;
out.zrY = e.layerY;
}
else if (e.offsetX != null) {
out.zrX = e.offsetX;
out.zrY = e.offsetY;
}
else {
calculateZrXY(el, e, out);
}
return out;
}
function calculateZrXY(el, e, out) {
if (env.domSupported && el.getBoundingClientRect) {
var ex = e.clientX;
var ey = e.clientY;
if (isCanvasEl(el)) {
var box = el.getBoundingClientRect();
out.zrX = ex - box.left;
out.zrY = ey - box.top;
return;
}
else {
if (transformCoordWithViewport(_calcOut, el, ex, ey)) {
out.zrX = _calcOut[0];
out.zrY = _calcOut[1];
return;
}
}
}
out.zrX = out.zrY = 0;
}
function getNativeEvent(e) {
return e
|| window.event;
}
function normalizeEvent(el, e, calculate) {
e = getNativeEvent(e);
if (e.zrX != null) {
return e;
}
var eventType = e.type;
var isTouch = eventType && eventType.indexOf('touch') >= 0;
if (!isTouch) {
clientToLocal(el, e, e, calculate);
var wheelDelta = getWheelDeltaMayPolyfill(e);
e.zrDelta = wheelDelta ? wheelDelta / 120 : -(e.detail || 0) / 3;
}
else {
var touch = eventType !== 'touchend'
? e.targetTouches[0]
: e.changedTouches[0];
touch && clientToLocal(el, touch, e, calculate);
}
var button = e.button;
if (e.which == null && button !== undefined && MOUSE_EVENT_REG.test(e.type)) {
e.which = (button & 1 ? 1 : (button & 2 ? 3 : (button & 4 ? 2 : 0)));
}
return e;
}
function getWheelDeltaMayPolyfill(e) {
var rawWheelDelta = e.wheelDelta;
if (rawWheelDelta) {
return rawWheelDelta;
}
var deltaX = e.deltaX;
var deltaY = e.deltaY;
if (deltaX == null || deltaY == null) {
return rawWheelDelta;
}
var delta = deltaY !== 0 ? Math.abs(deltaY) : Math.abs(deltaX);
var sign = deltaY > 0 ? -1
: deltaY < 0 ? 1
: deltaX > 0 ? -1
: 1;
return 3 * delta * sign;
}
function addEventListener(el, name, handler, opt) {
el.addEventListener(name, handler, opt);
}
function removeEventListener(el, name, handler, opt) {
el.removeEventListener(name, handler, opt);
}
var stop = function (e) {
e.preventDefault();
e.stopPropagation();
e.cancelBubble = true;
};
var GestureMgr = (function () {
function GestureMgr() {
this._track = [];
}
GestureMgr.prototype.recognize = function (event, target, root) {
this._doTrack(event, target, root);
return this._recognize(event);
};
GestureMgr.prototype.clear = function () {
this._track.length = 0;
return this;
};
GestureMgr.prototype._doTrack = function (event, target, root) {
var touches = event.touches;
if (!touches) {
return;
}
var trackItem = {
points: [],
touches: [],
target: target,
event: event
};
for (var i = 0, len = touches.length; i < len; i++) {
var touch = touches[i];
var pos = clientToLocal(root, touch, {});
trackItem.points.push([pos.zrX, pos.zrY]);
trackItem.touches.push(touch);
}
this._track.push(trackItem);
};
GestureMgr.prototype._recognize = function (event) {
for (var eventName in recognizers) {
if (recognizers.hasOwnProperty(eventName)) {
var gestureInfo = recognizers[eventName](this._track, event);
if (gestureInfo) {
return gestureInfo;
}
}
}
};
return GestureMgr;
}());
function dist$1(pointPair) {
var dx = pointPair[1][0] - pointPair[0][0];
var dy = pointPair[1][1] - pointPair[0][1];
return Math.sqrt(dx * dx + dy * dy);
}
function center(pointPair) {
return [
(pointPair[0][0] + pointPair[1][0]) / 2,
(pointPair[0][1] + pointPair[1][1]) / 2
];
}
va