1726 lines
51 KiB
JavaScript
1726 lines
51 KiB
JavaScript
/*! tether 1.2.0 */
|
|
|
|
(function(root, factory) {
|
|
if (typeof define === 'function' && define.amd) {
|
|
define(factory);
|
|
} else if (typeof exports === 'object') {
|
|
module.exports = factory(require, exports, module);
|
|
} else {
|
|
root.Tether = factory();
|
|
}
|
|
}(this, function(require, exports, module) {
|
|
|
|
'use strict';
|
|
|
|
var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
|
|
|
|
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
|
|
|
|
var TetherBase = undefined;
|
|
if (typeof TetherBase === 'undefined') {
|
|
TetherBase = { modules: [] };
|
|
}
|
|
|
|
function getScrollParent(el) {
|
|
// In firefox if the el is inside an iframe with display: none; window.getComputedStyle() will return null;
|
|
// https://bugzilla.mozilla.org/show_bug.cgi?id=548397
|
|
var computedStyle = getComputedStyle(el) || {};
|
|
var position = computedStyle.position;
|
|
|
|
if (position === 'fixed') {
|
|
return el;
|
|
}
|
|
|
|
var parent = el;
|
|
while (parent = parent.parentNode) {
|
|
var style = undefined;
|
|
try {
|
|
style = getComputedStyle(parent);
|
|
} catch (err) {}
|
|
|
|
if (typeof style === 'undefined' || style === null) {
|
|
return parent;
|
|
}
|
|
|
|
var _style = style;
|
|
var overflow = _style.overflow;
|
|
var overflowX = _style.overflowX;
|
|
var overflowY = _style.overflowY;
|
|
|
|
if (/(auto|scroll)/.test(overflow + overflowY + overflowX)) {
|
|
if (position !== 'absolute' || ['relative', 'absolute', 'fixed'].indexOf(style.position) >= 0) {
|
|
return parent;
|
|
}
|
|
}
|
|
}
|
|
|
|
return document.body;
|
|
}
|
|
|
|
var uniqueId = (function () {
|
|
var id = 0;
|
|
return function () {
|
|
return ++id;
|
|
};
|
|
})();
|
|
|
|
var zeroPosCache = {};
|
|
var getOrigin = function getOrigin(doc) {
|
|
// getBoundingClientRect is unfortunately too accurate. It introduces a pixel or two of
|
|
// jitter as the user scrolls that messes with our ability to detect if two positions
|
|
// are equivilant or not. We place an element at the top left of the page that will
|
|
// get the same jitter, so we can cancel the two out.
|
|
var node = doc._tetherZeroElement;
|
|
if (typeof node === 'undefined') {
|
|
node = doc.createElement('div');
|
|
node.setAttribute('data-tether-id', uniqueId());
|
|
extend(node.style, {
|
|
top: 0,
|
|
left: 0,
|
|
position: 'absolute'
|
|
});
|
|
|
|
doc.body.appendChild(node);
|
|
|
|
doc._tetherZeroElement = node;
|
|
}
|
|
|
|
var id = node.getAttribute('data-tether-id');
|
|
if (typeof zeroPosCache[id] === 'undefined') {
|
|
zeroPosCache[id] = {};
|
|
|
|
var rect = node.getBoundingClientRect();
|
|
for (var k in rect) {
|
|
// Can't use extend, as on IE9, elements don't resolve to be hasOwnProperty
|
|
zeroPosCache[id][k] = rect[k];
|
|
}
|
|
|
|
// Clear the cache when this position call is done
|
|
defer(function () {
|
|
delete zeroPosCache[id];
|
|
});
|
|
}
|
|
|
|
return zeroPosCache[id];
|
|
};
|
|
|
|
function getBounds(el) {
|
|
var doc = undefined;
|
|
if (el === document) {
|
|
doc = document;
|
|
el = document.documentElement;
|
|
} else {
|
|
doc = el.ownerDocument;
|
|
}
|
|
|
|
var docEl = doc.documentElement;
|
|
|
|
var box = {};
|
|
// The original object returned by getBoundingClientRect is immutable, so we clone it
|
|
// We can't use extend because the properties are not considered part of the object by hasOwnProperty in IE9
|
|
var rect = el.getBoundingClientRect();
|
|
for (var k in rect) {
|
|
box[k] = rect[k];
|
|
}
|
|
|
|
var origin = getOrigin(doc);
|
|
|
|
box.top -= origin.top;
|
|
box.left -= origin.left;
|
|
|
|
if (typeof box.width === 'undefined') {
|
|
box.width = document.body.scrollWidth - box.left - box.right;
|
|
}
|
|
if (typeof box.height === 'undefined') {
|
|
box.height = document.body.scrollHeight - box.top - box.bottom;
|
|
}
|
|
|
|
box.top = box.top - docEl.clientTop;
|
|
box.left = box.left - docEl.clientLeft;
|
|
box.right = doc.body.clientWidth - box.width - box.left;
|
|
box.bottom = doc.body.clientHeight - box.height - box.top;
|
|
|
|
return box;
|
|
}
|
|
|
|
function getOffsetParent(el) {
|
|
return el.offsetParent || document.documentElement;
|
|
}
|
|
|
|
function getScrollBarSize() {
|
|
var inner = document.createElement('div');
|
|
inner.style.width = '100%';
|
|
inner.style.height = '200px';
|
|
|
|
var outer = document.createElement('div');
|
|
extend(outer.style, {
|
|
position: 'absolute',
|
|
top: 0,
|
|
left: 0,
|
|
pointerEvents: 'none',
|
|
visibility: 'hidden',
|
|
width: '200px',
|
|
height: '150px',
|
|
overflow: 'hidden'
|
|
});
|
|
|
|
outer.appendChild(inner);
|
|
|
|
document.body.appendChild(outer);
|
|
|
|
var widthContained = inner.offsetWidth;
|
|
outer.style.overflow = 'scroll';
|
|
var widthScroll = inner.offsetWidth;
|
|
|
|
if (widthContained === widthScroll) {
|
|
widthScroll = outer.clientWidth;
|
|
}
|
|
|
|
document.body.removeChild(outer);
|
|
|
|
var width = widthContained - widthScroll;
|
|
|
|
return { width: width, height: width };
|
|
}
|
|
|
|
function extend() {
|
|
var out = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
|
|
|
|
var args = [];
|
|
|
|
Array.prototype.push.apply(args, arguments);
|
|
|
|
args.slice(1).forEach(function (obj) {
|
|
if (obj) {
|
|
for (var key in obj) {
|
|
if (({}).hasOwnProperty.call(obj, key)) {
|
|
out[key] = obj[key];
|
|
}
|
|
}
|
|
}
|
|
});
|
|
|
|
return out;
|
|
}
|
|
|
|
function removeClass(el, name) {
|
|
if (typeof el.classList !== 'undefined') {
|
|
name.split(' ').forEach(function (cls) {
|
|
if (cls.trim()) {
|
|
el.classList.remove(cls);
|
|
}
|
|
});
|
|
} else {
|
|
var regex = new RegExp('(^| )' + name.split(' ').join('|') + '( |$)', 'gi');
|
|
var className = getClassName(el).replace(regex, ' ');
|
|
setClassName(el, className);
|
|
}
|
|
}
|
|
|
|
function addClass(el, name) {
|
|
if (typeof el.classList !== 'undefined') {
|
|
name.split(' ').forEach(function (cls) {
|
|
if (cls.trim()) {
|
|
el.classList.add(cls);
|
|
}
|
|
});
|
|
} else {
|
|
removeClass(el, name);
|
|
var cls = getClassName(el) + (' ' + name);
|
|
setClassName(el, cls);
|
|
}
|
|
}
|
|
|
|
function hasClass(el, name) {
|
|
if (typeof el.classList !== 'undefined') {
|
|
return el.classList.contains(name);
|
|
}
|
|
var className = getClassName(el);
|
|
return new RegExp('(^| )' + name + '( |$)', 'gi').test(className);
|
|
}
|
|
|
|
function getClassName(el) {
|
|
if (el.className instanceof SVGAnimatedString) {
|
|
return el.className.baseVal;
|
|
}
|
|
return el.className;
|
|
}
|
|
|
|
function setClassName(el, className) {
|
|
el.setAttribute('class', className);
|
|
}
|
|
|
|
function updateClasses(el, add, all) {
|
|
// Of the set of 'all' classes, we need the 'add' classes, and only the
|
|
// 'add' classes to be set.
|
|
all.forEach(function (cls) {
|
|
if (add.indexOf(cls) === -1 && hasClass(el, cls)) {
|
|
removeClass(el, cls);
|
|
}
|
|
});
|
|
|
|
add.forEach(function (cls) {
|
|
if (!hasClass(el, cls)) {
|
|
addClass(el, cls);
|
|
}
|
|
});
|
|
}
|
|
|
|
var deferred = [];
|
|
|
|
var defer = function defer(fn) {
|
|
deferred.push(fn);
|
|
};
|
|
|
|
var flush = function flush() {
|
|
var fn = undefined;
|
|
while (fn = deferred.pop()) {
|
|
fn();
|
|
}
|
|
};
|
|
|
|
var Evented = (function () {
|
|
function Evented() {
|
|
_classCallCheck(this, Evented);
|
|
}
|
|
|
|
_createClass(Evented, [{
|
|
key: 'on',
|
|
value: function on(event, handler, ctx) {
|
|
var once = arguments.length <= 3 || arguments[3] === undefined ? false : arguments[3];
|
|
|
|
if (typeof this.bindings === 'undefined') {
|
|
this.bindings = {};
|
|
}
|
|
if (typeof this.bindings[event] === 'undefined') {
|
|
this.bindings[event] = [];
|
|
}
|
|
this.bindings[event].push({ handler: handler, ctx: ctx, once: once });
|
|
}
|
|
}, {
|
|
key: 'once',
|
|
value: function once(event, handler, ctx) {
|
|
this.on(event, handler, ctx, true);
|
|
}
|
|
}, {
|
|
key: 'off',
|
|
value: function off(event, handler) {
|
|
if (typeof this.bindings !== 'undefined' && typeof this.bindings[event] !== 'undefined') {
|
|
return;
|
|
}
|
|
|
|
if (typeof handler === 'undefined') {
|
|
delete this.bindings[event];
|
|
} else {
|
|
var i = 0;
|
|
while (i < this.bindings[event].length) {
|
|
if (this.bindings[event][i].handler === handler) {
|
|
this.bindings[event].splice(i, 1);
|
|
} else {
|
|
++i;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}, {
|
|
key: 'trigger',
|
|
value: function trigger(event) {
|
|
if (typeof this.bindings !== 'undefined' && this.bindings[event]) {
|
|
var i = 0;
|
|
|
|
for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
|
|
args[_key - 1] = arguments[_key];
|
|
}
|
|
|
|
while (i < this.bindings[event].length) {
|
|
var _bindings$event$i = this.bindings[event][i];
|
|
var handler = _bindings$event$i.handler;
|
|
var ctx = _bindings$event$i.ctx;
|
|
var once = _bindings$event$i.once;
|
|
|
|
var context = ctx;
|
|
if (typeof context === 'undefined') {
|
|
context = this;
|
|
}
|
|
|
|
handler.apply(context, args);
|
|
|
|
if (once) {
|
|
this.bindings[event].splice(i, 1);
|
|
} else {
|
|
++i;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}]);
|
|
|
|
return Evented;
|
|
})();
|
|
|
|
TetherBase.Utils = {
|
|
getScrollParent: getScrollParent,
|
|
getBounds: getBounds,
|
|
getOffsetParent: getOffsetParent,
|
|
extend: extend,
|
|
addClass: addClass,
|
|
removeClass: removeClass,
|
|
hasClass: hasClass,
|
|
updateClasses: updateClasses,
|
|
defer: defer,
|
|
flush: flush,
|
|
uniqueId: uniqueId,
|
|
Evented: Evented,
|
|
getScrollBarSize: getScrollBarSize
|
|
};
|
|
/* globals TetherBase, performance */
|
|
|
|
'use strict';
|
|
|
|
var _slicedToArray = (function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i['return']) _i['return'](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError('Invalid attempt to destructure non-iterable instance'); } }; })();
|
|
|
|
var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
|
|
|
|
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
|
|
|
|
if (typeof TetherBase === 'undefined') {
|
|
throw new Error('You must include the utils.js file before tether.js');
|
|
}
|
|
|
|
var _TetherBase$Utils = TetherBase.Utils;
|
|
var getScrollParent = _TetherBase$Utils.getScrollParent;
|
|
var getBounds = _TetherBase$Utils.getBounds;
|
|
var getOffsetParent = _TetherBase$Utils.getOffsetParent;
|
|
var extend = _TetherBase$Utils.extend;
|
|
var addClass = _TetherBase$Utils.addClass;
|
|
var removeClass = _TetherBase$Utils.removeClass;
|
|
var updateClasses = _TetherBase$Utils.updateClasses;
|
|
var defer = _TetherBase$Utils.defer;
|
|
var flush = _TetherBase$Utils.flush;
|
|
var getScrollBarSize = _TetherBase$Utils.getScrollBarSize;
|
|
|
|
function within(a, b) {
|
|
var diff = arguments.length <= 2 || arguments[2] === undefined ? 1 : arguments[2];
|
|
|
|
return a + diff >= b && b >= a - diff;
|
|
}
|
|
|
|
var transformKey = (function () {
|
|
if (typeof document === 'undefined') {
|
|
return '';
|
|
}
|
|
var el = document.createElement('div');
|
|
|
|
var transforms = ['transform', 'webkitTransform', 'OTransform', 'MozTransform', 'msTransform'];
|
|
for (var i = 0; i < transforms.length; ++i) {
|
|
var key = transforms[i];
|
|
if (el.style[key] !== undefined) {
|
|
return key;
|
|
}
|
|
}
|
|
})();
|
|
|
|
var tethers = [];
|
|
|
|
var position = function position() {
|
|
tethers.forEach(function (tether) {
|
|
tether.position(false);
|
|
});
|
|
flush();
|
|
};
|
|
|
|
function now() {
|
|
if (typeof performance !== 'undefined' && typeof performance.now !== 'undefined') {
|
|
return performance.now();
|
|
}
|
|
return +new Date();
|
|
}
|
|
|
|
(function () {
|
|
var lastCall = null;
|
|
var lastDuration = null;
|
|
var pendingTimeout = null;
|
|
|
|
var tick = function tick() {
|
|
if (typeof lastDuration !== 'undefined' && lastDuration > 16) {
|
|
// We voluntarily throttle ourselves if we can't manage 60fps
|
|
lastDuration = Math.min(lastDuration - 16, 250);
|
|
|
|
// Just in case this is the last event, remember to position just once more
|
|
pendingTimeout = setTimeout(tick, 250);
|
|
return;
|
|
}
|
|
|
|
if (typeof lastCall !== 'undefined' && now() - lastCall < 10) {
|
|
// Some browsers call events a little too frequently, refuse to run more than is reasonable
|
|
return;
|
|
}
|
|
|
|
if (typeof pendingTimeout !== 'undefined') {
|
|
clearTimeout(pendingTimeout);
|
|
pendingTimeout = null;
|
|
}
|
|
|
|
lastCall = now();
|
|
position();
|
|
lastDuration = now() - lastCall;
|
|
};
|
|
|
|
if (typeof window !== 'undefined') {
|
|
['resize', 'scroll', 'touchmove'].forEach(function (event) {
|
|
window.addEventListener(event, tick);
|
|
});
|
|
}
|
|
})();
|
|
|
|
var MIRROR_LR = {
|
|
center: 'center',
|
|
left: 'right',
|
|
right: 'left'
|
|
};
|
|
|
|
var MIRROR_TB = {
|
|
middle: 'middle',
|
|
top: 'bottom',
|
|
bottom: 'top'
|
|
};
|
|
|
|
var OFFSET_MAP = {
|
|
top: 0,
|
|
left: 0,
|
|
middle: '50%',
|
|
center: '50%',
|
|
bottom: '100%',
|
|
right: '100%'
|
|
};
|
|
|
|
var autoToFixedAttachment = function autoToFixedAttachment(attachment, relativeToAttachment) {
|
|
var left = attachment.left;
|
|
var top = attachment.top;
|
|
|
|
if (left === 'auto') {
|
|
left = MIRROR_LR[relativeToAttachment.left];
|
|
}
|
|
|
|
if (top === 'auto') {
|
|
top = MIRROR_TB[relativeToAttachment.top];
|
|
}
|
|
|
|
return { left: left, top: top };
|
|
};
|
|
|
|
var attachmentToOffset = function attachmentToOffset(attachment) {
|
|
var left = attachment.left;
|
|
var top = attachment.top;
|
|
|
|
if (typeof OFFSET_MAP[attachment.left] !== 'undefined') {
|
|
left = OFFSET_MAP[attachment.left];
|
|
}
|
|
|
|
if (typeof OFFSET_MAP[attachment.top] !== 'undefined') {
|
|
top = OFFSET_MAP[attachment.top];
|
|
}
|
|
|
|
return { left: left, top: top };
|
|
};
|
|
|
|
function addOffset() {
|
|
var out = { top: 0, left: 0 };
|
|
|
|
for (var _len = arguments.length, offsets = Array(_len), _key = 0; _key < _len; _key++) {
|
|
offsets[_key] = arguments[_key];
|
|
}
|
|
|
|
offsets.forEach(function (_ref) {
|
|
var top = _ref.top;
|
|
var left = _ref.left;
|
|
|
|
if (typeof top === 'string') {
|
|
top = parseFloat(top, 10);
|
|
}
|
|
if (typeof left === 'string') {
|
|
left = parseFloat(left, 10);
|
|
}
|
|
|
|
out.top += top;
|
|
out.left += left;
|
|
});
|
|
|
|
return out;
|
|
}
|
|
|
|
function offsetToPx(offset, size) {
|
|
if (typeof offset.left === 'string' && offset.left.indexOf('%') !== -1) {
|
|
offset.left = parseFloat(offset.left, 10) / 100 * size.width;
|
|
}
|
|
if (typeof offset.top === 'string' && offset.top.indexOf('%') !== -1) {
|
|
offset.top = parseFloat(offset.top, 10) / 100 * size.height;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
var parseOffset = function parseOffset(value) {
|
|
var _value$split = value.split(' ');
|
|
|
|
var _value$split2 = _slicedToArray(_value$split, 2);
|
|
|
|
var top = _value$split2[0];
|
|
var left = _value$split2[1];
|
|
|
|
return { top: top, left: left };
|
|
};
|
|
var parseAttachment = parseOffset;
|
|
|
|
var TetherClass = (function () {
|
|
function TetherClass(options) {
|
|
var _this = this;
|
|
|
|
_classCallCheck(this, TetherClass);
|
|
|
|
this.position = this.position.bind(this);
|
|
|
|
tethers.push(this);
|
|
|
|
this.history = [];
|
|
|
|
this.setOptions(options, false);
|
|
|
|
TetherBase.modules.forEach(function (module) {
|
|
if (typeof module.initialize !== 'undefined') {
|
|
module.initialize.call(_this);
|
|
}
|
|
});
|
|
|
|
this.position();
|
|
}
|
|
|
|
_createClass(TetherClass, [{
|
|
key: 'getClass',
|
|
value: function getClass() {
|
|
var key = arguments.length <= 0 || arguments[0] === undefined ? '' : arguments[0];
|
|
var classes = this.options.classes;
|
|
|
|
if (typeof classes !== 'undefined' && classes[key]) {
|
|
return this.options.classes[key];
|
|
} else if (this.options.classPrefix) {
|
|
return this.options.classPrefix + '-' + key;
|
|
} else {
|
|
return key;
|
|
}
|
|
}
|
|
}, {
|
|
key: 'setOptions',
|
|
value: function setOptions(options) {
|
|
var _this2 = this;
|
|
|
|
var pos = arguments.length <= 1 || arguments[1] === undefined ? true : arguments[1];
|
|
|
|
var defaults = {
|
|
offset: '0 0',
|
|
targetOffset: '0 0',
|
|
targetAttachment: 'auto auto',
|
|
classPrefix: 'tether'
|
|
};
|
|
|
|
this.options = extend(defaults, options);
|
|
|
|
var _options = this.options;
|
|
var element = _options.element;
|
|
var target = _options.target;
|
|
var targetModifier = _options.targetModifier;
|
|
|
|
this.element = element;
|
|
this.target = target;
|
|
this.targetModifier = targetModifier;
|
|
|
|
if (this.target === 'viewport') {
|
|
this.target = document.body;
|
|
this.targetModifier = 'visible';
|
|
} else if (this.target === 'scroll-handle') {
|
|
this.target = document.body;
|
|
this.targetModifier = 'scroll-handle';
|
|
}
|
|
|
|
['element', 'target'].forEach(function (key) {
|
|
if (typeof _this2[key] === 'undefined') {
|
|
throw new Error('Tether Error: Both element and target must be defined');
|
|
}
|
|
|
|
if (typeof _this2[key].jquery !== 'undefined') {
|
|
_this2[key] = _this2[key][0];
|
|
} else if (typeof _this2[key] === 'string') {
|
|
_this2[key] = document.querySelector(_this2[key]);
|
|
}
|
|
});
|
|
|
|
addClass(this.element, this.getClass('element'));
|
|
if (!(this.options.addTargetClasses === false)) {
|
|
addClass(this.target, this.getClass('target'));
|
|
}
|
|
|
|
if (!this.options.attachment) {
|
|
throw new Error('Tether Error: You must provide an attachment');
|
|
}
|
|
|
|
this.targetAttachment = parseAttachment(this.options.targetAttachment);
|
|
this.attachment = parseAttachment(this.options.attachment);
|
|
this.offset = parseOffset(this.options.offset);
|
|
this.targetOffset = parseOffset(this.options.targetOffset);
|
|
|
|
if (typeof this.scrollParent !== 'undefined') {
|
|
this.disable();
|
|
}
|
|
|
|
if (this.targetModifier === 'scroll-handle') {
|
|
this.scrollParent = this.target;
|
|
} else {
|
|
this.scrollParent = getScrollParent(this.target);
|
|
}
|
|
|
|
if (!(this.options.enabled === false)) {
|
|
this.enable(pos);
|
|
}
|
|
}
|
|
}, {
|
|
key: 'getTargetBounds',
|
|
value: function getTargetBounds() {
|
|
if (typeof this.targetModifier !== 'undefined') {
|
|
if (this.targetModifier === 'visible') {
|
|
if (this.target === document.body) {
|
|
return { top: pageYOffset, left: pageXOffset, height: innerHeight, width: innerWidth };
|
|
} else {
|
|
var bounds = getBounds(this.target);
|
|
|
|
var out = {
|
|
height: bounds.height,
|
|
width: bounds.width,
|
|
top: bounds.top,
|
|
left: bounds.left
|
|
};
|
|
|
|
out.height = Math.min(out.height, bounds.height - (pageYOffset - bounds.top));
|
|
out.height = Math.min(out.height, bounds.height - (bounds.top + bounds.height - (pageYOffset + innerHeight)));
|
|
out.height = Math.min(innerHeight, out.height);
|
|
out.height -= 2;
|
|
|
|
out.width = Math.min(out.width, bounds.width - (pageXOffset - bounds.left));
|
|
out.width = Math.min(out.width, bounds.width - (bounds.left + bounds.width - (pageXOffset + innerWidth)));
|
|
out.width = Math.min(innerWidth, out.width);
|
|
out.width -= 2;
|
|
|
|
if (out.top < pageYOffset) {
|
|
out.top = pageYOffset;
|
|
}
|
|
if (out.left < pageXOffset) {
|
|
out.left = pageXOffset;
|
|
}
|
|
|
|
return out;
|
|
}
|
|
} else if (this.targetModifier === 'scroll-handle') {
|
|
var bounds = undefined;
|
|
var target = this.target;
|
|
if (target === document.body) {
|
|
target = document.documentElement;
|
|
|
|
bounds = {
|
|
left: pageXOffset,
|
|
top: pageYOffset,
|
|
height: innerHeight,
|
|
width: innerWidth
|
|
};
|
|
} else {
|
|
bounds = getBounds(target);
|
|
}
|
|
|
|
var style = getComputedStyle(target);
|
|
|
|
var hasBottomScroll = target.scrollWidth > target.clientWidth || [style.overflow, style.overflowX].indexOf('scroll') >= 0 || this.target !== document.body;
|
|
|
|
var scrollBottom = 0;
|
|
if (hasBottomScroll) {
|
|
scrollBottom = 15;
|
|
}
|
|
|
|
var height = bounds.height - parseFloat(style.borderTopWidth) - parseFloat(style.borderBottomWidth) - scrollBottom;
|
|
|
|
var out = {
|
|
width: 15,
|
|
height: height * 0.975 * (height / target.scrollHeight),
|
|
left: bounds.left + bounds.width - parseFloat(style.borderLeftWidth) - 15
|
|
};
|
|
|
|
var fitAdj = 0;
|
|
if (height < 408 && this.target === document.body) {
|
|
fitAdj = -0.00011 * Math.pow(height, 2) - 0.00727 * height + 22.58;
|
|
}
|
|
|
|
if (this.target !== document.body) {
|
|
out.height = Math.max(out.height, 24);
|
|
}
|
|
|
|
var scrollPercentage = this.target.scrollTop / (target.scrollHeight - height);
|
|
out.top = scrollPercentage * (height - out.height - fitAdj) + bounds.top + parseFloat(style.borderTopWidth);
|
|
|
|
if (this.target === document.body) {
|
|
out.height = Math.max(out.height, 24);
|
|
}
|
|
|
|
return out;
|
|
}
|
|
} else {
|
|
return getBounds(this.target);
|
|
}
|
|
}
|
|
}, {
|
|
key: 'clearCache',
|
|
value: function clearCache() {
|
|
this._cache = {};
|
|
}
|
|
}, {
|
|
key: 'cache',
|
|
value: function cache(k, getter) {
|
|
// More than one module will often need the same DOM info, so
|
|
// we keep a cache which is cleared on each position call
|
|
if (typeof this._cache === 'undefined') {
|
|
this._cache = {};
|
|
}
|
|
|
|
if (typeof this._cache[k] === 'undefined') {
|
|
this._cache[k] = getter.call(this);
|
|
}
|
|
|
|
return this._cache[k];
|
|
}
|
|
}, {
|
|
key: 'enable',
|
|
value: function enable() {
|
|
var pos = arguments.length <= 0 || arguments[0] === undefined ? true : arguments[0];
|
|
|
|
if (!(this.options.addTargetClasses === false)) {
|
|
addClass(this.target, this.getClass('enabled'));
|
|
}
|
|
addClass(this.element, this.getClass('enabled'));
|
|
this.enabled = true;
|
|
|
|
if (this.scrollParent !== document) {
|
|
this.scrollParent.addEventListener('scroll', this.position);
|
|
}
|
|
|
|
if (pos) {
|
|
this.position();
|
|
}
|
|
}
|
|
}, {
|
|
key: 'disable',
|
|
value: function disable() {
|
|
removeClass(this.target, this.getClass('enabled'));
|
|
removeClass(this.element, this.getClass('enabled'));
|
|
this.enabled = false;
|
|
|
|
if (typeof this.scrollParent !== 'undefined') {
|
|
this.scrollParent.removeEventListener('scroll', this.position);
|
|
}
|
|
}
|
|
}, {
|
|
key: 'destroy',
|
|
value: function destroy() {
|
|
var _this3 = this;
|
|
|
|
this.disable();
|
|
|
|
tethers.forEach(function (tether, i) {
|
|
if (tether === _this3) {
|
|
tethers.splice(i, 1);
|
|
return;
|
|
}
|
|
});
|
|
}
|
|
}, {
|
|
key: 'updateAttachClasses',
|
|
value: function updateAttachClasses(elementAttach, targetAttach) {
|
|
var _this4 = this;
|
|
|
|
elementAttach = elementAttach || this.attachment;
|
|
targetAttach = targetAttach || this.targetAttachment;
|
|
var sides = ['left', 'top', 'bottom', 'right', 'middle', 'center'];
|
|
|
|
if (typeof this._addAttachClasses !== 'undefined' && this._addAttachClasses.length) {
|
|
// updateAttachClasses can be called more than once in a position call, so
|
|
// we need to clean up after ourselves such that when the last defer gets
|
|
// ran it doesn't add any extra classes from previous calls.
|
|
this._addAttachClasses.splice(0, this._addAttachClasses.length);
|
|
}
|
|
|
|
if (typeof this._addAttachClasses === 'undefined') {
|
|
this._addAttachClasses = [];
|
|
}
|
|
var add = this._addAttachClasses;
|
|
|
|
if (elementAttach.top) {
|
|
add.push(this.getClass('element-attached') + '-' + elementAttach.top);
|
|
}
|
|
if (elementAttach.left) {
|
|
add.push(this.getClass('element-attached') + '-' + elementAttach.left);
|
|
}
|
|
if (targetAttach.top) {
|
|
add.push(this.getClass('target-attached') + '-' + targetAttach.top);
|
|
}
|
|
if (targetAttach.left) {
|
|
add.push(this.getClass('target-attached') + '-' + targetAttach.left);
|
|
}
|
|
|
|
var all = [];
|
|
sides.forEach(function (side) {
|
|
all.push(_this4.getClass('element-attached') + '-' + side);
|
|
all.push(_this4.getClass('target-attached') + '-' + side);
|
|
});
|
|
|
|
defer(function () {
|
|
if (!(typeof _this4._addAttachClasses !== 'undefined')) {
|
|
return;
|
|
}
|
|
|
|
updateClasses(_this4.element, _this4._addAttachClasses, all);
|
|
if (!(_this4.options.addTargetClasses === false)) {
|
|
updateClasses(_this4.target, _this4._addAttachClasses, all);
|
|
}
|
|
|
|
delete _this4._addAttachClasses;
|
|
});
|
|
}
|
|
}, {
|
|
key: 'position',
|
|
value: function position() {
|
|
var _this5 = this;
|
|
|
|
var flushChanges = arguments.length <= 0 || arguments[0] === undefined ? true : arguments[0];
|
|
|
|
// flushChanges commits the changes immediately, leave true unless you are positioning multiple
|
|
// tethers (in which case call Tether.Utils.flush yourself when you're done)
|
|
|
|
if (!this.enabled) {
|
|
return;
|
|
}
|
|
|
|
this.clearCache();
|
|
|
|
// Turn 'auto' attachments into the appropriate corner or edge
|
|
var targetAttachment = autoToFixedAttachment(this.targetAttachment, this.attachment);
|
|
|
|
this.updateAttachClasses(this.attachment, targetAttachment);
|
|
|
|
var elementPos = this.cache('element-bounds', function () {
|
|
return getBounds(_this5.element);
|
|
});
|
|
|
|
var width = elementPos.width;
|
|
var height = elementPos.height;
|
|
|
|
if (width === 0 && height === 0 && typeof this.lastSize !== 'undefined') {
|
|
var _lastSize = this.lastSize;
|
|
|
|
// We cache the height and width to make it possible to position elements that are
|
|
// getting hidden.
|
|
width = _lastSize.width;
|
|
height = _lastSize.height;
|
|
} else {
|
|
this.lastSize = { width: width, height: height };
|
|
}
|
|
|
|
var targetPos = this.cache('target-bounds', function () {
|
|
return _this5.getTargetBounds();
|
|
});
|
|
var targetSize = targetPos;
|
|
|
|
// Get an actual px offset from the attachment
|
|
var offset = offsetToPx(attachmentToOffset(this.attachment), { width: width, height: height });
|
|
var targetOffset = offsetToPx(attachmentToOffset(targetAttachment), targetSize);
|
|
|
|
var manualOffset = offsetToPx(this.offset, { width: width, height: height });
|
|
var manualTargetOffset = offsetToPx(this.targetOffset, targetSize);
|
|
|
|
// Add the manually provided offset
|
|
offset = addOffset(offset, manualOffset);
|
|
targetOffset = addOffset(targetOffset, manualTargetOffset);
|
|
|
|
// It's now our goal to make (element position + offset) == (target position + target offset)
|
|
var left = targetPos.left + targetOffset.left - offset.left;
|
|
var top = targetPos.top + targetOffset.top - offset.top;
|
|
|
|
for (var i = 0; i < TetherBase.modules.length; ++i) {
|
|
var _module2 = TetherBase.modules[i];
|
|
var ret = _module2.position.call(this, {
|
|
left: left,
|
|
top: top,
|
|
targetAttachment: targetAttachment,
|
|
targetPos: targetPos,
|
|
elementPos: elementPos,
|
|
offset: offset,
|
|
targetOffset: targetOffset,
|
|
manualOffset: manualOffset,
|
|
manualTargetOffset: manualTargetOffset,
|
|
scrollbarSize: scrollbarSize,
|
|
attachment: this.attachment
|
|
});
|
|
|
|
if (ret === false) {
|
|
return false;
|
|
} else if (typeof ret === 'undefined' || typeof ret !== 'object') {
|
|
continue;
|
|
} else {
|
|
top = ret.top;
|
|
left = ret.left;
|
|
}
|
|
}
|
|
|
|
// We describe the position three different ways to give the optimizer
|
|
// a chance to decide the best possible way to position the element
|
|
// with the fewest repaints.
|
|
var next = {
|
|
// It's position relative to the page (absolute positioning when
|
|
// the element is a child of the body)
|
|
page: {
|
|
top: top,
|
|
left: left
|
|
},
|
|
|
|
// It's position relative to the viewport (fixed positioning)
|
|
viewport: {
|
|
top: top - pageYOffset,
|
|
bottom: pageYOffset - top - height + innerHeight,
|
|
left: left - pageXOffset,
|
|
right: pageXOffset - left - width + innerWidth
|
|
}
|
|
};
|
|
|
|
var scrollbarSize = undefined;
|
|
if (document.body.scrollWidth > window.innerWidth) {
|
|
scrollbarSize = this.cache('scrollbar-size', getScrollBarSize);
|
|
next.viewport.bottom -= scrollbarSize.height;
|
|
}
|
|
|
|
if (document.body.scrollHeight > window.innerHeight) {
|
|
scrollbarSize = this.cache('scrollbar-size', getScrollBarSize);
|
|
next.viewport.right -= scrollbarSize.width;
|
|
}
|
|
|
|
if (['', 'static'].indexOf(document.body.style.position) === -1 || ['', 'static'].indexOf(document.body.parentElement.style.position) === -1) {
|
|
// Absolute positioning in the body will be relative to the page, not the 'initial containing block'
|
|
next.page.bottom = document.body.scrollHeight - top - height;
|
|
next.page.right = document.body.scrollWidth - left - width;
|
|
}
|
|
|
|
if (typeof this.options.optimizations !== 'undefined' && this.options.optimizations.moveElement !== false && !(typeof this.targetModifier !== 'undefined')) {
|
|
(function () {
|
|
var offsetParent = _this5.cache('target-offsetparent', function () {
|
|
return getOffsetParent(_this5.target);
|
|
});
|
|
var offsetPosition = _this5.cache('target-offsetparent-bounds', function () {
|
|
return getBounds(offsetParent);
|
|
});
|
|
var offsetParentStyle = getComputedStyle(offsetParent);
|
|
var offsetParentSize = offsetPosition;
|
|
|
|
var offsetBorder = {};
|
|
['Top', 'Left', 'Bottom', 'Right'].forEach(function (side) {
|
|
offsetBorder[side.toLowerCase()] = parseFloat(offsetParentStyle['border' + side + 'Width']);
|
|
});
|
|
|
|
offsetPosition.right = document.body.scrollWidth - offsetPosition.left - offsetParentSize.width + offsetBorder.right;
|
|
offsetPosition.bottom = document.body.scrollHeight - offsetPosition.top - offsetParentSize.height + offsetBorder.bottom;
|
|
|
|
if (next.page.top >= offsetPosition.top + offsetBorder.top && next.page.bottom >= offsetPosition.bottom) {
|
|
if (next.page.left >= offsetPosition.left + offsetBorder.left && next.page.right >= offsetPosition.right) {
|
|
// We're within the visible part of the target's scroll parent
|
|
var scrollTop = offsetParent.scrollTop;
|
|
var scrollLeft = offsetParent.scrollLeft;
|
|
|
|
// It's position relative to the target's offset parent (absolute positioning when
|
|
// the element is moved to be a child of the target's offset parent).
|
|
next.offset = {
|
|
top: next.page.top - offsetPosition.top + scrollTop - offsetBorder.top,
|
|
left: next.page.left - offsetPosition.left + scrollLeft - offsetBorder.left
|
|
};
|
|
}
|
|
}
|
|
})();
|
|
}
|
|
|
|
// We could also travel up the DOM and try each containing context, rather than only
|
|
// looking at the body, but we're gonna get diminishing returns.
|
|
|
|
this.move(next);
|
|
|
|
this.history.unshift(next);
|
|
|
|
if (this.history.length > 3) {
|
|
this.history.pop();
|
|
}
|
|
|
|
if (flushChanges) {
|
|
flush();
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
// THE ISSUE
|
|
}, {
|
|
key: 'move',
|
|
value: function move(pos) {
|
|
var _this6 = this;
|
|
|
|
if (!(typeof this.element.parentNode !== 'undefined')) {
|
|
return;
|
|
}
|
|
|
|
var same = {};
|
|
|
|
for (var type in pos) {
|
|
same[type] = {};
|
|
|
|
for (var key in pos[type]) {
|
|
var found = false;
|
|
|
|
for (var i = 0; i < this.history.length; ++i) {
|
|
var point = this.history[i];
|
|
if (typeof point[type] !== 'undefined' && !within(point[type][key], pos[type][key])) {
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!found) {
|
|
same[type][key] = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
var css = { top: '', left: '', right: '', bottom: '' };
|
|
|
|
var transcribe = function transcribe(_same, _pos) {
|
|
var hasOptimizations = typeof _this6.options.optimizations !== 'undefined';
|
|
var gpu = hasOptimizations ? _this6.options.optimizations.gpu : null;
|
|
if (gpu !== false) {
|
|
var yPos = undefined,
|
|
xPos = undefined;
|
|
if (_same.top) {
|
|
css.top = 0;
|
|
yPos = _pos.top;
|
|
} else {
|
|
css.bottom = 0;
|
|
yPos = -_pos.bottom;
|
|
}
|
|
|
|
if (_same.left) {
|
|
css.left = 0;
|
|
xPos = _pos.left;
|
|
} else {
|
|
css.right = 0;
|
|
xPos = -_pos.right;
|
|
}
|
|
|
|
css[transformKey] = 'translateX(' + Math.round(xPos) + 'px) translateY(' + Math.round(yPos) + 'px)';
|
|
|
|
if (transformKey !== 'msTransform') {
|
|
// The Z transform will keep this in the GPU (faster, and prevents artifacts),
|
|
// but IE9 doesn't support 3d transforms and will choke.
|
|
css[transformKey] += " translateZ(0)";
|
|
}
|
|
} else {
|
|
if (_same.top) {
|
|
css.top = _pos.top + 'px';
|
|
} else {
|
|
css.bottom = _pos.bottom + 'px';
|
|
}
|
|
|
|
if (_same.left) {
|
|
css.left = _pos.left + 'px';
|
|
} else {
|
|
css.right = _pos.right + 'px';
|
|
}
|
|
}
|
|
};
|
|
|
|
var moved = false;
|
|
if ((same.page.top || same.page.bottom) && (same.page.left || same.page.right)) {
|
|
css.position = 'absolute';
|
|
transcribe(same.page, pos.page);
|
|
} else if ((same.viewport.top || same.viewport.bottom) && (same.viewport.left || same.viewport.right)) {
|
|
css.position = 'fixed';
|
|
transcribe(same.viewport, pos.viewport);
|
|
} else if (typeof same.offset !== 'undefined' && same.offset.top && same.offset.left) {
|
|
(function () {
|
|
css.position = 'absolute';
|
|
var offsetParent = _this6.cache('target-offsetparent', function () {
|
|
return getOffsetParent(_this6.target);
|
|
});
|
|
|
|
if (getOffsetParent(_this6.element) !== offsetParent) {
|
|
defer(function () {
|
|
_this6.element.parentNode.removeChild(_this6.element);
|
|
offsetParent.appendChild(_this6.element);
|
|
});
|
|
}
|
|
|
|
transcribe(same.offset, pos.offset);
|
|
moved = true;
|
|
})();
|
|
} else {
|
|
css.position = 'absolute';
|
|
transcribe({ top: true, left: true }, pos.page);
|
|
}
|
|
|
|
if (!moved) {
|
|
var offsetParentIsBody = true;
|
|
var currentNode = this.element.parentNode;
|
|
while (currentNode && currentNode.tagName !== 'BODY') {
|
|
if (getComputedStyle(currentNode).position !== 'static') {
|
|
offsetParentIsBody = false;
|
|
break;
|
|
}
|
|
|
|
currentNode = currentNode.parentNode;
|
|
}
|
|
|
|
if (!offsetParentIsBody) {
|
|
this.element.parentNode.removeChild(this.element);
|
|
document.body.appendChild(this.element);
|
|
}
|
|
}
|
|
|
|
// Any css change will trigger a repaint, so let's avoid one if nothing changed
|
|
var writeCSS = {};
|
|
var write = false;
|
|
for (var key in css) {
|
|
var val = css[key];
|
|
var elVal = this.element.style[key];
|
|
|
|
if (elVal !== '' && val !== '' && ['top', 'left', 'bottom', 'right'].indexOf(key) >= 0) {
|
|
elVal = parseFloat(elVal);
|
|
val = parseFloat(val);
|
|
}
|
|
|
|
if (elVal !== val) {
|
|
write = true;
|
|
writeCSS[key] = val;
|
|
}
|
|
}
|
|
|
|
if (write) {
|
|
defer(function () {
|
|
extend(_this6.element.style, writeCSS);
|
|
});
|
|
}
|
|
}
|
|
}]);
|
|
|
|
return TetherClass;
|
|
})();
|
|
|
|
TetherClass.modules = [];
|
|
|
|
TetherBase.position = position;
|
|
|
|
var Tether = extend(TetherClass, TetherBase);
|
|
/* globals TetherBase */
|
|
|
|
'use strict';
|
|
|
|
var _slicedToArray = (function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i['return']) _i['return'](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError('Invalid attempt to destructure non-iterable instance'); } }; })();
|
|
|
|
var _TetherBase$Utils = TetherBase.Utils;
|
|
var getBounds = _TetherBase$Utils.getBounds;
|
|
var extend = _TetherBase$Utils.extend;
|
|
var updateClasses = _TetherBase$Utils.updateClasses;
|
|
var defer = _TetherBase$Utils.defer;
|
|
|
|
var BOUNDS_FORMAT = ['left', 'top', 'right', 'bottom'];
|
|
|
|
function getBoundingRect(tether, to) {
|
|
if (to === 'scrollParent') {
|
|
to = tether.scrollParent;
|
|
} else if (to === 'window') {
|
|
to = [pageXOffset, pageYOffset, innerWidth + pageXOffset, innerHeight + pageYOffset];
|
|
}
|
|
|
|
if (to === document) {
|
|
to = to.documentElement;
|
|
}
|
|
|
|
if (typeof to.nodeType !== 'undefined') {
|
|
(function () {
|
|
var size = getBounds(to);
|
|
var pos = size;
|
|
var style = getComputedStyle(to);
|
|
|
|
to = [pos.left, pos.top, size.width + pos.left, size.height + pos.top];
|
|
|
|
BOUNDS_FORMAT.forEach(function (side, i) {
|
|
side = side[0].toUpperCase() + side.substr(1);
|
|
if (side === 'Top' || side === 'Left') {
|
|
to[i] += parseFloat(style['border' + side + 'Width']);
|
|
} else {
|
|
to[i] -= parseFloat(style['border' + side + 'Width']);
|
|
}
|
|
});
|
|
})();
|
|
}
|
|
|
|
return to;
|
|
}
|
|
|
|
TetherBase.modules.push({
|
|
position: function position(_ref) {
|
|
var _this = this;
|
|
|
|
var top = _ref.top;
|
|
var left = _ref.left;
|
|
var targetAttachment = _ref.targetAttachment;
|
|
|
|
if (!this.options.constraints) {
|
|
return true;
|
|
}
|
|
|
|
var _cache = this.cache('element-bounds', function () {
|
|
return getBounds(_this.element);
|
|
});
|
|
|
|
var height = _cache.height;
|
|
var width = _cache.width;
|
|
|
|
if (width === 0 && height === 0 && typeof this.lastSize !== 'undefined') {
|
|
var _lastSize = this.lastSize;
|
|
|
|
// Handle the item getting hidden as a result of our positioning without glitching
|
|
// the classes in and out
|
|
width = _lastSize.width;
|
|
height = _lastSize.height;
|
|
}
|
|
|
|
var targetSize = this.cache('target-bounds', function () {
|
|
return _this.getTargetBounds();
|
|
});
|
|
|
|
var targetHeight = targetSize.height;
|
|
var targetWidth = targetSize.width;
|
|
|
|
var allClasses = [this.getClass('pinned'), this.getClass('out-of-bounds')];
|
|
|
|
this.options.constraints.forEach(function (constraint) {
|
|
var outOfBoundsClass = constraint.outOfBoundsClass;
|
|
var pinnedClass = constraint.pinnedClass;
|
|
|
|
if (outOfBoundsClass) {
|
|
allClasses.push(outOfBoundsClass);
|
|
}
|
|
if (pinnedClass) {
|
|
allClasses.push(pinnedClass);
|
|
}
|
|
});
|
|
|
|
allClasses.forEach(function (cls) {
|
|
['left', 'top', 'right', 'bottom'].forEach(function (side) {
|
|
allClasses.push(cls + '-' + side);
|
|
});
|
|
});
|
|
|
|
var addClasses = [];
|
|
|
|
var tAttachment = extend({}, targetAttachment);
|
|
var eAttachment = extend({}, this.attachment);
|
|
|
|
this.options.constraints.forEach(function (constraint) {
|
|
var to = constraint.to;
|
|
var attachment = constraint.attachment;
|
|
var pin = constraint.pin;
|
|
|
|
if (typeof attachment === 'undefined') {
|
|
attachment = '';
|
|
}
|
|
|
|
var changeAttachX = undefined,
|
|
changeAttachY = undefined;
|
|
if (attachment.indexOf(' ') >= 0) {
|
|
var _attachment$split = attachment.split(' ');
|
|
|
|
var _attachment$split2 = _slicedToArray(_attachment$split, 2);
|
|
|
|
changeAttachY = _attachment$split2[0];
|
|
changeAttachX = _attachment$split2[1];
|
|
} else {
|
|
changeAttachX = changeAttachY = attachment;
|
|
}
|
|
|
|
var bounds = getBoundingRect(_this, to);
|
|
|
|
if (changeAttachY === 'target' || changeAttachY === 'both') {
|
|
if (top < bounds[1] && tAttachment.top === 'top') {
|
|
top += targetHeight;
|
|
tAttachment.top = 'bottom';
|
|
}
|
|
|
|
if (top + height > bounds[3] && tAttachment.top === 'bottom') {
|
|
top -= targetHeight;
|
|
tAttachment.top = 'top';
|
|
}
|
|
}
|
|
|
|
if (changeAttachY === 'together') {
|
|
if (top < bounds[1] && tAttachment.top === 'top') {
|
|
if (eAttachment.top === 'bottom') {
|
|
top += targetHeight;
|
|
tAttachment.top = 'bottom';
|
|
|
|
top += height;
|
|
eAttachment.top = 'top';
|
|
} else if (eAttachment.top === 'top') {
|
|
top += targetHeight;
|
|
tAttachment.top = 'bottom';
|
|
|
|
top -= height;
|
|
eAttachment.top = 'bottom';
|
|
}
|
|
}
|
|
|
|
if (top + height > bounds[3] && tAttachment.top === 'bottom') {
|
|
if (eAttachment.top === 'top') {
|
|
top -= targetHeight;
|
|
tAttachment.top = 'top';
|
|
|
|
top -= height;
|
|
eAttachment.top = 'bottom';
|
|
} else if (eAttachment.top === 'bottom') {
|
|
top -= targetHeight;
|
|
tAttachment.top = 'top';
|
|
|
|
top += height;
|
|
eAttachment.top = 'top';
|
|
}
|
|
}
|
|
|
|
if (tAttachment.top === 'middle') {
|
|
if (top + height > bounds[3] && eAttachment.top === 'top') {
|
|
top -= height;
|
|
eAttachment.top = 'bottom';
|
|
} else if (top < bounds[1] && eAttachment.top === 'bottom') {
|
|
top += height;
|
|
eAttachment.top = 'top';
|
|
}
|
|
}
|
|
}
|
|
|
|
if (changeAttachX === 'target' || changeAttachX === 'both') {
|
|
if (left < bounds[0] && tAttachment.left === 'left') {
|
|
left += targetWidth;
|
|
tAttachment.left = 'right';
|
|
}
|
|
|
|
if (left + width > bounds[2] && tAttachment.left === 'right') {
|
|
left -= targetWidth;
|
|
tAttachment.left = 'left';
|
|
}
|
|
}
|
|
|
|
if (changeAttachX === 'together') {
|
|
if (left < bounds[0] && tAttachment.left === 'left') {
|
|
if (eAttachment.left === 'right') {
|
|
left += targetWidth;
|
|
tAttachment.left = 'right';
|
|
|
|
left += width;
|
|
eAttachment.left = 'left';
|
|
} else if (eAttachment.left === 'left') {
|
|
left += targetWidth;
|
|
tAttachment.left = 'right';
|
|
|
|
left -= width;
|
|
eAttachment.left = 'right';
|
|
}
|
|
} else if (left + width > bounds[2] && tAttachment.left === 'right') {
|
|
if (eAttachment.left === 'left') {
|
|
left -= targetWidth;
|
|
tAttachment.left = 'left';
|
|
|
|
left -= width;
|
|
eAttachment.left = 'right';
|
|
} else if (eAttachment.left === 'right') {
|
|
left -= targetWidth;
|
|
tAttachment.left = 'left';
|
|
|
|
left += width;
|
|
eAttachment.left = 'left';
|
|
}
|
|
} else if (tAttachment.left === 'center') {
|
|
if (left + width > bounds[2] && eAttachment.left === 'left') {
|
|
left -= width;
|
|
eAttachment.left = 'right';
|
|
} else if (left < bounds[0] && eAttachment.left === 'right') {
|
|
left += width;
|
|
eAttachment.left = 'left';
|
|
}
|
|
}
|
|
}
|
|
|
|
if (changeAttachY === 'element' || changeAttachY === 'both') {
|
|
if (top < bounds[1] && eAttachment.top === 'bottom') {
|
|
top += height;
|
|
eAttachment.top = 'top';
|
|
}
|
|
|
|
if (top + height > bounds[3] && eAttachment.top === 'top') {
|
|
top -= height;
|
|
eAttachment.top = 'bottom';
|
|
}
|
|
}
|
|
|
|
if (changeAttachX === 'element' || changeAttachX === 'both') {
|
|
if (left < bounds[0]) {
|
|
if (eAttachment.left === 'right') {
|
|
left += width;
|
|
eAttachment.left = 'left';
|
|
} else if (eAttachment.left === 'center') {
|
|
left += width / 2;
|
|
eAttachment.left = 'left';
|
|
}
|
|
}
|
|
|
|
if (left + width > bounds[2]) {
|
|
if (eAttachment.left === 'left') {
|
|
left -= width;
|
|
eAttachment.left = 'right';
|
|
} else if (eAttachment.left === 'center') {
|
|
left -= width / 2;
|
|
eAttachment.left = 'right';
|
|
}
|
|
}
|
|
}
|
|
|
|
if (typeof pin === 'string') {
|
|
pin = pin.split(',').map(function (p) {
|
|
return p.trim();
|
|
});
|
|
} else if (pin === true) {
|
|
pin = ['top', 'left', 'right', 'bottom'];
|
|
}
|
|
|
|
pin = pin || [];
|
|
|
|
var pinned = [];
|
|
var oob = [];
|
|
|
|
if (top < bounds[1]) {
|
|
if (pin.indexOf('top') >= 0) {
|
|
top = bounds[1];
|
|
pinned.push('top');
|
|
} else {
|
|
oob.push('top');
|
|
}
|
|
}
|
|
|
|
if (top + height > bounds[3]) {
|
|
if (pin.indexOf('bottom') >= 0) {
|
|
top = bounds[3] - height;
|
|
pinned.push('bottom');
|
|
} else {
|
|
oob.push('bottom');
|
|
}
|
|
}
|
|
|
|
if (left < bounds[0]) {
|
|
if (pin.indexOf('left') >= 0) {
|
|
left = bounds[0];
|
|
pinned.push('left');
|
|
} else {
|
|
oob.push('left');
|
|
}
|
|
}
|
|
|
|
if (left + width > bounds[2]) {
|
|
if (pin.indexOf('right') >= 0) {
|
|
left = bounds[2] - width;
|
|
pinned.push('right');
|
|
} else {
|
|
oob.push('right');
|
|
}
|
|
}
|
|
|
|
if (pinned.length) {
|
|
(function () {
|
|
var pinnedClass = undefined;
|
|
if (typeof _this.options.pinnedClass !== 'undefined') {
|
|
pinnedClass = _this.options.pinnedClass;
|
|
} else {
|
|
pinnedClass = _this.getClass('pinned');
|
|
}
|
|
|
|
addClasses.push(pinnedClass);
|
|
pinned.forEach(function (side) {
|
|
addClasses.push(pinnedClass + '-' + side);
|
|
});
|
|
})();
|
|
}
|
|
|
|
if (oob.length) {
|
|
(function () {
|
|
var oobClass = undefined;
|
|
if (typeof _this.options.outOfBoundsClass !== 'undefined') {
|
|
oobClass = _this.options.outOfBoundsClass;
|
|
} else {
|
|
oobClass = _this.getClass('out-of-bounds');
|
|
}
|
|
|
|
addClasses.push(oobClass);
|
|
oob.forEach(function (side) {
|
|
addClasses.push(oobClass + '-' + side);
|
|
});
|
|
})();
|
|
}
|
|
|
|
if (pinned.indexOf('left') >= 0 || pinned.indexOf('right') >= 0) {
|
|
eAttachment.left = tAttachment.left = false;
|
|
}
|
|
if (pinned.indexOf('top') >= 0 || pinned.indexOf('bottom') >= 0) {
|
|
eAttachment.top = tAttachment.top = false;
|
|
}
|
|
|
|
if (tAttachment.top !== targetAttachment.top || tAttachment.left !== targetAttachment.left || eAttachment.top !== _this.attachment.top || eAttachment.left !== _this.attachment.left) {
|
|
_this.updateAttachClasses(eAttachment, tAttachment);
|
|
}
|
|
});
|
|
|
|
defer(function () {
|
|
if (!(_this.options.addTargetClasses === false)) {
|
|
updateClasses(_this.target, addClasses, allClasses);
|
|
}
|
|
updateClasses(_this.element, addClasses, allClasses);
|
|
});
|
|
|
|
return { top: top, left: left };
|
|
}
|
|
});
|
|
/* globals TetherBase */
|
|
|
|
'use strict';
|
|
|
|
var _TetherBase$Utils = TetherBase.Utils;
|
|
var getBounds = _TetherBase$Utils.getBounds;
|
|
var updateClasses = _TetherBase$Utils.updateClasses;
|
|
var defer = _TetherBase$Utils.defer;
|
|
|
|
TetherBase.modules.push({
|
|
position: function position(_ref) {
|
|
var _this = this;
|
|
|
|
var top = _ref.top;
|
|
var left = _ref.left;
|
|
|
|
var _cache = this.cache('element-bounds', function () {
|
|
return getBounds(_this.element);
|
|
});
|
|
|
|
var height = _cache.height;
|
|
var width = _cache.width;
|
|
|
|
var targetPos = this.getTargetBounds();
|
|
|
|
var bottom = top + height;
|
|
var right = left + width;
|
|
|
|
var abutted = [];
|
|
if (top <= targetPos.bottom && bottom >= targetPos.top) {
|
|
['left', 'right'].forEach(function (side) {
|
|
var targetPosSide = targetPos[side];
|
|
if (targetPosSide === left || targetPosSide === right) {
|
|
abutted.push(side);
|
|
}
|
|
});
|
|
}
|
|
|
|
if (left <= targetPos.right && right >= targetPos.left) {
|
|
['top', 'bottom'].forEach(function (side) {
|
|
var targetPosSide = targetPos[side];
|
|
if (targetPosSide === top || targetPosSide === bottom) {
|
|
abutted.push(side);
|
|
}
|
|
});
|
|
}
|
|
|
|
var allClasses = [];
|
|
var addClasses = [];
|
|
|
|
var sides = ['left', 'top', 'right', 'bottom'];
|
|
allClasses.push(this.getClass('abutted'));
|
|
sides.forEach(function (side) {
|
|
allClasses.push(_this.getClass('abutted') + '-' + side);
|
|
});
|
|
|
|
if (abutted.length) {
|
|
addClasses.push(this.getClass('abutted'));
|
|
}
|
|
|
|
abutted.forEach(function (side) {
|
|
addClasses.push(_this.getClass('abutted') + '-' + side);
|
|
});
|
|
|
|
defer(function () {
|
|
if (!(_this.options.addTargetClasses === false)) {
|
|
updateClasses(_this.target, addClasses, allClasses);
|
|
}
|
|
updateClasses(_this.element, addClasses, allClasses);
|
|
});
|
|
|
|
return true;
|
|
}
|
|
});
|
|
/* globals TetherBase */
|
|
|
|
'use strict';
|
|
|
|
var _slicedToArray = (function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i['return']) _i['return'](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError('Invalid attempt to destructure non-iterable instance'); } }; })();
|
|
|
|
TetherBase.modules.push({
|
|
position: function position(_ref) {
|
|
var top = _ref.top;
|
|
var left = _ref.left;
|
|
|
|
if (!this.options.shift) {
|
|
return;
|
|
}
|
|
|
|
var shift = this.options.shift;
|
|
if (typeof this.options.shift === 'function') {
|
|
shift = this.options.shift.call(this, { top: top, left: left });
|
|
}
|
|
|
|
var shiftTop = undefined,
|
|
shiftLeft = undefined;
|
|
if (typeof shift === 'string') {
|
|
shift = shift.split(' ');
|
|
shift[1] = shift[1] || shift[0];
|
|
|
|
var _shift = shift;
|
|
|
|
var _shift2 = _slicedToArray(_shift, 2);
|
|
|
|
shiftTop = _shift2[0];
|
|
shiftLeft = _shift2[1];
|
|
|
|
shiftTop = parseFloat(shiftTop, 10);
|
|
shiftLeft = parseFloat(shiftLeft, 10);
|
|
} else {
|
|
shiftTop = shift.top;
|
|
shiftLeft = shift.left;
|
|
}
|
|
|
|
top += shiftTop;
|
|
left += shiftLeft;
|
|
|
|
return { top: top, left: left };
|
|
}
|
|
});
|
|
return Tether;
|
|
|
|
}));
|