mirror of
https://github.com/Icinga/icingaweb2-module-businessprocess.git
synced 2026-01-15 01:12:54 -05:00
1940 lines
No EOL
67 KiB
JavaScript
1940 lines
No EOL
67 KiB
JavaScript
/**!
|
|
* Sortable
|
|
* @author RubaXa <trash@rubaxa.org>
|
|
* @author owenm <owen23355@gmail.com>
|
|
* @license MIT
|
|
*/
|
|
|
|
(function sortableModule(factory) {
|
|
"use strict";
|
|
|
|
if (typeof define === "function" && define.amd) {
|
|
define(factory);
|
|
}
|
|
else if (typeof module != "undefined" && typeof module.exports != "undefined") {
|
|
module.exports = factory();
|
|
}
|
|
else {
|
|
/* jshint sub:true */
|
|
window["Sortable"] = factory();
|
|
}
|
|
})(function sortableFactory() {
|
|
"use strict";
|
|
|
|
if (typeof window === "undefined" || !window.document) {
|
|
return function sortableError() {
|
|
throw new Error("Sortable.js requires a window with a document");
|
|
};
|
|
}
|
|
|
|
var dragEl,
|
|
parentEl,
|
|
ghostEl,
|
|
cloneEl,
|
|
rootEl,
|
|
nextEl,
|
|
lastDownEl,
|
|
|
|
scrollEl,
|
|
scrollParentEl,
|
|
scrollCustomFn,
|
|
|
|
oldIndex,
|
|
newIndex,
|
|
|
|
activeGroup,
|
|
putSortable,
|
|
|
|
autoScrolls = [],
|
|
scrolling = false,
|
|
|
|
pointerElemChangedInterval,
|
|
lastPointerElemX,
|
|
lastPointerElemY,
|
|
|
|
tapEvt,
|
|
touchEvt,
|
|
|
|
moved,
|
|
|
|
lastTarget,
|
|
lastDirection,
|
|
pastFirstInvertThresh = false,
|
|
isCircumstantialInvert = false,
|
|
|
|
forRepaintDummy,
|
|
realDragElRect, // dragEl rect after current animation
|
|
|
|
/** @const */
|
|
R_SPACE = /\s+/g,
|
|
|
|
expando = 'Sortable' + (new Date).getTime(),
|
|
|
|
win = window,
|
|
document = win.document,
|
|
parseInt = win.parseInt,
|
|
setTimeout = win.setTimeout,
|
|
|
|
$ = win.jQuery || win.Zepto,
|
|
Polymer = win.Polymer,
|
|
|
|
captureMode = {
|
|
capture: false,
|
|
passive: false
|
|
},
|
|
|
|
supportDraggable = ('draggable' in document.createElement('div')),
|
|
supportCssPointerEvents = (function (el) {
|
|
// false when IE11
|
|
if (!!navigator.userAgent.match(/(?:Trident.*rv[ :]?11\.|msie)/i)) {
|
|
return false;
|
|
}
|
|
el = document.createElement('x');
|
|
el.style.cssText = 'pointer-events:auto';
|
|
return el.style.pointerEvents === 'auto';
|
|
})(),
|
|
|
|
_silent = false,
|
|
_alignedSilent = false,
|
|
|
|
abs = Math.abs,
|
|
min = Math.min,
|
|
|
|
savedInputChecked = [],
|
|
touchDragOverListeners = [],
|
|
|
|
alwaysFalse = function () { return false; },
|
|
|
|
_detectDirection = function(el, options) {
|
|
var elCSS = _css(el),
|
|
elWidth = parseInt(elCSS.width),
|
|
child1 = _getChild(el, 0, options),
|
|
child2 = _getChild(el, 1, options),
|
|
firstChildCSS = child1 && _css(child1),
|
|
secondChildCSS = child2 && _css(child2),
|
|
firstChildWidth = firstChildCSS && parseInt(firstChildCSS.marginLeft) + parseInt(firstChildCSS.marginRight) + child1.getBoundingClientRect().width,
|
|
secondChildWidth = secondChildCSS && parseInt(secondChildCSS.marginLeft) + parseInt(secondChildCSS.marginRight) + child2.getBoundingClientRect().width
|
|
;
|
|
if (elCSS.display === 'flex') {
|
|
return elCSS.flexDirection === 'column' || elCSS.flexDirection === 'column-reverse'
|
|
? 'vertical' : 'horizontal';
|
|
}
|
|
return (child1 &&
|
|
(
|
|
firstChildCSS.display === 'block' ||
|
|
firstChildCSS.display === 'grid' ||
|
|
firstChildWidth >= elWidth &&
|
|
elCSS.float === 'none' ||
|
|
child2 &&
|
|
elCSS.float === 'none' &&
|
|
firstChildWidth + secondChildWidth > elWidth
|
|
) ?
|
|
'vertical' : 'horizontal'
|
|
);
|
|
},
|
|
|
|
_isInRowColumn = function(x, y, el, axis, options) {
|
|
var targetRect = realDragElRect || dragEl.getBoundingClientRect(),
|
|
targetS1Opp = axis === 'vertical' ? targetRect.left : targetRect.top,
|
|
targetS2Opp = axis === 'vertical' ? targetRect.right : targetRect.bottom,
|
|
mouseOnOppAxis = axis === 'vertical' ? x : y
|
|
;
|
|
|
|
return targetS1Opp < mouseOnOppAxis && mouseOnOppAxis < targetS2Opp;
|
|
},
|
|
|
|
_getParentAutoScrollElement = function(el, includeSelf) {
|
|
// skip to window
|
|
if (!el || !el.getBoundingClientRect) return win;
|
|
|
|
var elem = el;
|
|
var gotSelf = false;
|
|
do {
|
|
// we don't need to get elem css if it isn't even overflowing in the first place (performance)
|
|
if (elem.clientWidth < elem.scrollWidth || elem.clientHeight < elem.scrollHeight) {
|
|
var elemCSS = _css(elem);
|
|
if (
|
|
elem.clientWidth < elem.scrollWidth && (elemCSS.overflowX == 'auto' || elemCSS.overflowX == 'scroll') ||
|
|
elem.clientHeight < elem.scrollHeight && (elemCSS.overflowY == 'auto' || elemCSS.overflowY == 'scroll')
|
|
) {
|
|
if (!elem || !elem.getBoundingClientRect || elem === document.body) return win;
|
|
|
|
if (gotSelf || includeSelf) return elem;
|
|
gotSelf = true;
|
|
}
|
|
}
|
|
/* jshint boss:true */
|
|
} while (elem = elem.parentNode);
|
|
|
|
return win;
|
|
},
|
|
|
|
_autoScroll = _throttle(function (/**Event*/evt, /**Object*/options, /**HTMLElement*/rootEl, /**Boolean*/isFallback) {
|
|
// Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=505521
|
|
if (options.scroll) {
|
|
var _this = rootEl ? rootEl[expando] : window,
|
|
rect,
|
|
css,
|
|
sens = options.scrollSensitivity,
|
|
speed = options.scrollSpeed,
|
|
|
|
x = evt.clientX,
|
|
y = evt.clientY,
|
|
|
|
winWidth = window.innerWidth,
|
|
winHeight = window.innerHeight,
|
|
|
|
vx,
|
|
vy,
|
|
|
|
scrollThisInstance = false
|
|
;
|
|
|
|
// Detect scrollEl
|
|
if (scrollParentEl !== rootEl) {
|
|
_clearAutoScrolls();
|
|
|
|
scrollEl = options.scroll;
|
|
scrollCustomFn = options.scrollFn;
|
|
|
|
if (scrollEl === true) {
|
|
scrollEl = _getParentAutoScrollElement(rootEl, true);
|
|
scrollParentEl = scrollEl;
|
|
}
|
|
}
|
|
|
|
|
|
var layersOut = 0;
|
|
var currentParent = scrollEl;
|
|
do {
|
|
var el;
|
|
|
|
if (currentParent && currentParent !== win) {
|
|
el = currentParent;
|
|
css = _css(el);
|
|
rect = currentParent.getBoundingClientRect();
|
|
vx = el.clientWidth < el.scrollWidth && (css.overflowX == 'auto' || css.overflowX == 'scroll') &&
|
|
((abs(rect.right - x) <= sens) - (abs(rect.left - x) <= sens));
|
|
|
|
vy = el.clientHeight < el.scrollHeight && (css.overflowY == 'auto' || css.overflowY == 'scroll') &&
|
|
((abs(rect.bottom - y) <= sens) - (abs(rect.top - y) <= sens));
|
|
} else if (currentParent === win) {
|
|
el = win;
|
|
vx = (winWidth - x <= sens) - (x <= sens);
|
|
vy = (winHeight - y <= sens) - (y <= sens);
|
|
}
|
|
|
|
if (!autoScrolls[layersOut]) {
|
|
for (var i = 0; i <= layersOut; i++) {
|
|
if (!autoScrolls[i]) {
|
|
autoScrolls[i] = {};
|
|
}
|
|
}
|
|
}
|
|
|
|
if (autoScrolls[layersOut].vx != vx || autoScrolls[layersOut].vy != vy || autoScrolls[layersOut].el !== el) {
|
|
autoScrolls[layersOut].el = el;
|
|
autoScrolls[layersOut].vx = vx;
|
|
autoScrolls[layersOut].vy = vy;
|
|
|
|
clearInterval(autoScrolls[layersOut].pid);
|
|
|
|
if (el && (vx != 0 || vy != 0)) {
|
|
scrollThisInstance = true;
|
|
/* jshint loopfunc:true */
|
|
autoScrolls[layersOut].pid = setInterval((function () {
|
|
// emulate drag over during autoscroll (fallback), emulating native DnD behaviour
|
|
if (isFallback && this.layer === 0) {
|
|
Sortable.active._emulateDragOver(true);
|
|
}
|
|
var scrollOffsetY = autoScrolls[this.layer].vy ? autoScrolls[this.layer].vy * speed : 0;
|
|
var scrollOffsetX = autoScrolls[this.layer].vx ? autoScrolls[this.layer].vx * speed : 0;
|
|
|
|
if ('function' === typeof(scrollCustomFn)) {
|
|
if (scrollCustomFn.call(_this, scrollOffsetX, scrollOffsetY, evt, touchEvt, autoScrolls[this.layer].el) !== 'continue') {
|
|
return;
|
|
}
|
|
}
|
|
if (autoScrolls[this.layer].el === win) {
|
|
win.scrollTo(win.pageXOffset + scrollOffsetX, win.pageYOffset + scrollOffsetY);
|
|
} else {
|
|
autoScrolls[this.layer].el.scrollTop += scrollOffsetY;
|
|
autoScrolls[this.layer].el.scrollLeft += scrollOffsetX;
|
|
}
|
|
}).bind({layer: layersOut}), 24);
|
|
}
|
|
}
|
|
layersOut++;
|
|
} while (options.bubbleScroll && currentParent !== win && (currentParent = _getParentAutoScrollElement(currentParent, false)));
|
|
scrolling = scrollThisInstance; // in case another function catches scrolling as false in between when it is not
|
|
}
|
|
}, 30),
|
|
|
|
_clearAutoScrolls = function () {
|
|
autoScrolls.forEach(function(autoScroll) {
|
|
clearInterval(autoScroll.pid);
|
|
});
|
|
autoScrolls = [];
|
|
},
|
|
|
|
_prepareGroup = function (options) {
|
|
function toFn(value, pull) {
|
|
return function(to, from, dragEl, evt) {
|
|
var ret;
|
|
|
|
if (value == null && pull) {
|
|
ret = true; // default pull value: true (backwards compatibility)
|
|
} else if (value == null || value === false) {
|
|
ret = false;
|
|
} else if (pull && value === 'clone') {
|
|
ret = value;
|
|
} else if (typeof value === 'function') {
|
|
ret = value(to, from, dragEl, evt);
|
|
} else {
|
|
var otherGroup = (pull ? to : from).options.group.name;
|
|
|
|
ret = (value === true ||
|
|
(typeof value === 'string' && value === otherGroup) ||
|
|
(value.join && value.indexOf(otherGroup) > -1));
|
|
}
|
|
return ret || (to.options.group.name && from.options.group.name && to.options.group.name === from.options.group.name);
|
|
};
|
|
}
|
|
|
|
var group = {};
|
|
var originalGroup = options.group;
|
|
|
|
if (!originalGroup || typeof originalGroup != 'object') {
|
|
originalGroup = {name: originalGroup};
|
|
}
|
|
|
|
group.name = originalGroup.name;
|
|
group.checkPull = toFn(originalGroup.pull, true);
|
|
group.checkPut = toFn(originalGroup.put);
|
|
group.revertClone = originalGroup.revertClone;
|
|
|
|
options.group = group;
|
|
},
|
|
|
|
_checkAlignment = function(evt) {
|
|
if (!dragEl) return;
|
|
dragEl.parentNode[expando] && dragEl.parentNode[expando]._computeIsAligned(evt);
|
|
}
|
|
;
|
|
|
|
|
|
/**
|
|
* @class Sortable
|
|
* @param {HTMLElement} el
|
|
* @param {Object} [options]
|
|
*/
|
|
function Sortable(el, options) {
|
|
if (!(el && el.nodeType && el.nodeType === 1)) {
|
|
throw 'Sortable: `el` must be HTMLElement, and not ' + {}.toString.call(el);
|
|
}
|
|
|
|
this.el = el; // root element
|
|
this.options = options = _extend({}, options);
|
|
|
|
|
|
// Export instance
|
|
el[expando] = this;
|
|
|
|
// Default options
|
|
var defaults = {
|
|
group: null,
|
|
sort: true,
|
|
disabled: false,
|
|
store: null,
|
|
handle: null,
|
|
scroll: true,
|
|
scrollSensitivity: 30,
|
|
scrollSpeed: 10,
|
|
bubbleScroll: true,
|
|
draggable: /[uo]l/i.test(el.nodeName) ? 'li' : '>*',
|
|
|
|
swapThreshold: 1, // percentage; 0 <= x <= 1
|
|
invertSwap: false, // invert always
|
|
invertedSwapThreshold: null, // will be set to same as swapThreshold if default
|
|
|
|
ghostClass: 'sortable-ghost',
|
|
chosenClass: 'sortable-chosen',
|
|
dragClass: 'sortable-drag',
|
|
ignore: 'a, img',
|
|
filter: null,
|
|
preventOnFilter: true,
|
|
animation: 0,
|
|
setData: function (dataTransfer, dragEl) {
|
|
dataTransfer.setData('Text', dragEl.textContent);
|
|
},
|
|
dropBubble: false,
|
|
dragoverBubble: false,
|
|
dataIdAttr: 'data-id',
|
|
delay: 0,
|
|
touchStartThreshold: parseInt(window.devicePixelRatio, 10) || 1,
|
|
forceFallback: false,
|
|
fallbackClass: 'sortable-fallback',
|
|
fallbackOnBody: false,
|
|
fallbackTolerance: 0,
|
|
fallbackOffset: {x: 0, y: 0},
|
|
supportPointer: Sortable.supportPointer !== false && (
|
|
('PointerEvent' in window) ||
|
|
window.navigator && ('msPointerEnabled' in window.navigator) // microsoft
|
|
)
|
|
};
|
|
|
|
|
|
// Set default options
|
|
for (var name in defaults) {
|
|
!(name in options) && (options[name] = defaults[name]);
|
|
}
|
|
|
|
if (!('direction' in options)) {
|
|
options.direction = function() {
|
|
return _detectDirection(el, options);
|
|
};
|
|
}
|
|
|
|
_prepareGroup(options);
|
|
|
|
options.invertedSwapThreshold == null && (options.invertedSwapThreshold = options.swapThreshold);
|
|
// Bind all private methods
|
|
for (var fn in this) {
|
|
if (fn.charAt(0) === '_' && typeof this[fn] === 'function') {
|
|
this[fn] = this[fn].bind(this);
|
|
}
|
|
}
|
|
|
|
// Setup drag mode
|
|
this.nativeDraggable = options.forceFallback ? false : supportDraggable;
|
|
|
|
// Bind events
|
|
_on(el, 'mousedown', this._onTapStart);
|
|
_on(el, 'touchstart', this._onTapStart);
|
|
options.supportPointer && _on(el, 'pointerdown', this._onTapStart);
|
|
|
|
if (this.nativeDraggable) {
|
|
_on(el, 'dragover', this);
|
|
_on(el, 'dragenter', this);
|
|
}
|
|
|
|
touchDragOverListeners.push(this._onDragOver);
|
|
|
|
// Restore sorting
|
|
options.store && options.store.get && this.sort(options.store.get(this) || []);
|
|
}
|
|
|
|
Sortable.prototype = /** @lends Sortable.prototype */ {
|
|
constructor: Sortable,
|
|
|
|
// is mouse aligned with dragEl?
|
|
_isAligned: true,
|
|
|
|
_computeIsAligned: function(evt, isDragEl) {
|
|
if (_alignedSilent) return;
|
|
if (!dragEl || dragEl.parentNode !== this.el) return;
|
|
if (isDragEl !== true && isDragEl !== false) {
|
|
isDragEl = !!_closest(evt.target, null, dragEl, true);
|
|
}
|
|
this._isAligned = !scrolling && (isDragEl || this._isAligned && _isInRowColumn(evt.clientX, evt.clientY, this.el, this._getDirection(evt, null), this.options));
|
|
_alignedSilent = true;
|
|
setTimeout(function() {
|
|
_alignedSilent = false;
|
|
}, 30);
|
|
},
|
|
|
|
_getDirection: function(evt, target) {
|
|
return (typeof this.options.direction === 'function') ? this.options.direction.call(this, evt, target, dragEl) : this.options.direction;
|
|
},
|
|
|
|
_onTapStart: function (/** Event|TouchEvent */evt) {
|
|
var _this = this,
|
|
el = this.el,
|
|
options = this.options,
|
|
preventOnFilter = options.preventOnFilter,
|
|
type = evt.type,
|
|
touch = evt.touches && evt.touches[0],
|
|
target = (touch || evt).target,
|
|
originalTarget = evt.target.shadowRoot && ((evt.path && evt.path[0]) || (evt.composedPath && evt.composedPath()[0])) || target,
|
|
filter = options.filter,
|
|
startIndex;
|
|
|
|
_saveInputCheckedState(el);
|
|
|
|
|
|
// Don't trigger start event when an element is been dragged, otherwise the evt.oldindex always wrong when set option.group.
|
|
if (dragEl) {
|
|
return;
|
|
}
|
|
|
|
if (/mousedown|pointerdown/.test(type) && evt.button !== 0 || options.disabled) {
|
|
return; // only left button or enabled
|
|
}
|
|
|
|
// cancel dnd if original target is content editable
|
|
if (originalTarget.isContentEditable) {
|
|
return;
|
|
}
|
|
|
|
target = _closest(target, options.draggable, el, true);
|
|
|
|
if (!target) {
|
|
return;
|
|
}
|
|
|
|
if (lastDownEl === target) {
|
|
// Ignoring duplicate `down`
|
|
return;
|
|
}
|
|
|
|
// Get the index of the dragged element within its parent
|
|
startIndex = _index(target, options.draggable);
|
|
|
|
// Check filter
|
|
if (typeof filter === 'function') {
|
|
if (filter.call(this, evt, target, this)) {
|
|
_dispatchEvent(_this, originalTarget, 'filter', target, el, el, startIndex);
|
|
preventOnFilter && evt.cancelable && evt.preventDefault();
|
|
return; // cancel dnd
|
|
}
|
|
}
|
|
else if (filter) {
|
|
filter = filter.split(',').some(function (criteria) {
|
|
criteria = _closest(originalTarget, criteria.trim(), el, false);
|
|
|
|
if (criteria) {
|
|
_dispatchEvent(_this, criteria, 'filter', target, el, el, startIndex);
|
|
return true;
|
|
}
|
|
});
|
|
|
|
if (filter) {
|
|
preventOnFilter && evt.cancelable && evt.preventDefault();
|
|
return; // cancel dnd
|
|
}
|
|
}
|
|
|
|
if (options.handle && !_closest(originalTarget, options.handle, el, false)) {
|
|
return;
|
|
}
|
|
|
|
// Prepare `dragstart`
|
|
this._prepareDragStart(evt, touch, target, startIndex);
|
|
},
|
|
|
|
|
|
_handleAutoScroll: function(evt, fallback) {
|
|
if (!dragEl || !this.options.scroll) return;
|
|
var x = evt.clientX,
|
|
y = evt.clientY,
|
|
|
|
elem = document.elementFromPoint(x, y),
|
|
_this = this
|
|
;
|
|
|
|
// firefox does not have native autoscroll
|
|
if (fallback || (window.navigator && window.navigator.userAgent.toLowerCase().indexOf('firefox') > -1)) {
|
|
_autoScroll(evt, _this.options, elem, true);
|
|
|
|
// Listener for pointer element change
|
|
var ogElemScroller = _getParentAutoScrollElement(elem, true);
|
|
if (
|
|
scrolling &&
|
|
(
|
|
!pointerElemChangedInterval ||
|
|
x !== lastPointerElemX ||
|
|
y !== lastPointerElemY
|
|
)
|
|
) {
|
|
|
|
pointerElemChangedInterval && clearInterval(pointerElemChangedInterval);
|
|
// Detect for pointer elem change, emulating native DnD behaviour
|
|
pointerElemChangedInterval = setInterval(function() {
|
|
if (!dragEl) return;
|
|
// could also check if scroll direction on newElem changes due to parent autoscrolling
|
|
var newElem = _getParentAutoScrollElement(document.elementFromPoint(x, y), true);
|
|
if (newElem !== ogElemScroller) {
|
|
ogElemScroller = newElem;
|
|
_clearAutoScrolls();
|
|
_autoScroll(evt, _this.options, ogElemScroller, true);
|
|
}
|
|
}, 10);
|
|
lastPointerElemX = x;
|
|
lastPointerElemY = y;
|
|
}
|
|
|
|
} else {
|
|
// if DnD is enabled (not on firefox), first autoscroll will already scroll, so get parent autoscroll of first autoscroll
|
|
if (!_this.options.bubbleScroll || _getParentAutoScrollElement(elem, true) === window) {
|
|
_clearAutoScrolls();
|
|
return;
|
|
}
|
|
_autoScroll(evt, _this.options, _getParentAutoScrollElement(elem, false));
|
|
}
|
|
},
|
|
|
|
_prepareDragStart: function (/** Event */evt, /** Touch */touch, /** HTMLElement */target, /** Number */startIndex) {
|
|
var _this = this,
|
|
el = _this.el,
|
|
options = _this.options,
|
|
ownerDocument = el.ownerDocument,
|
|
dragStartFn;
|
|
|
|
if (target && !dragEl && (target.parentNode === el)) {
|
|
tapEvt = evt;
|
|
|
|
rootEl = el;
|
|
dragEl = target;
|
|
parentEl = dragEl.parentNode;
|
|
nextEl = dragEl.nextSibling;
|
|
lastDownEl = target;
|
|
activeGroup = options.group;
|
|
oldIndex = startIndex;
|
|
|
|
this._lastX = (touch || evt).clientX;
|
|
this._lastY = (touch || evt).clientY;
|
|
|
|
dragEl.style['will-change'] = 'all';
|
|
|
|
dragStartFn = function () {
|
|
// Delayed drag has been triggered
|
|
// we can re-enable the events: touchmove/mousemove
|
|
_this._disableDelayedDrag();
|
|
|
|
// Make the element draggable
|
|
dragEl.draggable = _this.nativeDraggable;
|
|
|
|
// Bind the events: dragstart/dragend
|
|
_this._triggerDragStart(evt, touch);
|
|
|
|
// Drag start event
|
|
_dispatchEvent(_this, rootEl, 'choose', dragEl, rootEl, rootEl, oldIndex);
|
|
|
|
// Chosen item
|
|
_toggleClass(dragEl, options.chosenClass, true);
|
|
};
|
|
|
|
// Disable "draggable"
|
|
options.ignore.split(',').forEach(function (criteria) {
|
|
_find(dragEl, criteria.trim(), _disableDraggable);
|
|
});
|
|
|
|
_on(ownerDocument, 'mouseup', _this._onDrop);
|
|
_on(ownerDocument, 'touchend', _this._onDrop);
|
|
_on(ownerDocument, 'touchcancel', _this._onDrop);
|
|
options.supportPointer && _on(ownerDocument, 'pointercancel', _this._onDrop);
|
|
|
|
if (options.delay) {
|
|
// If the user moves the pointer or let go the click or touch
|
|
// before the delay has been reached:
|
|
// disable the delayed drag
|
|
_on(ownerDocument, 'mouseup', _this._disableDelayedDrag);
|
|
_on(ownerDocument, 'touchend', _this._disableDelayedDrag);
|
|
_on(ownerDocument, 'touchcancel', _this._disableDelayedDrag);
|
|
_on(ownerDocument, 'mousemove', _this._delayedDragTouchMoveHandler);
|
|
_on(ownerDocument, 'touchmove', _this._delayedDragTouchMoveHandler);
|
|
options.supportPointer && _on(ownerDocument, 'pointermove', _this._delayedDragTouchMoveHandler);
|
|
|
|
_this._dragStartTimer = setTimeout(dragStartFn.bind(_this), options.delay);
|
|
} else {
|
|
dragStartFn();
|
|
}
|
|
|
|
|
|
}
|
|
},
|
|
|
|
_delayedDragTouchMoveHandler: function (/** TouchEvent|PointerEvent **/e) {
|
|
var touch = e.touches ? e.touches[0] : e;
|
|
if (min(abs(touch.clientX - this._lastX), abs(touch.clientY - this._lastY))
|
|
>= this.options.touchStartThreshold
|
|
) {
|
|
this._disableDelayedDrag();
|
|
}
|
|
},
|
|
|
|
_disableDelayedDrag: function () {
|
|
var ownerDocument = this.el.ownerDocument;
|
|
|
|
clearTimeout(this._dragStartTimer);
|
|
_off(ownerDocument, 'mouseup', this._disableDelayedDrag);
|
|
_off(ownerDocument, 'touchend', this._disableDelayedDrag);
|
|
_off(ownerDocument, 'touchcancel', this._disableDelayedDrag);
|
|
_off(ownerDocument, 'mousemove', this._delayedDragTouchMoveHandler);
|
|
_off(ownerDocument, 'touchmove', this._delayedDragTouchMoveHandler);
|
|
_off(ownerDocument, 'pointermove', this._delayedDragTouchMoveHandler);
|
|
},
|
|
|
|
_triggerDragStart: function (/** Event */evt, /** Touch */touch) {
|
|
touch = touch || (evt.pointerType == 'touch' ? evt : null);
|
|
|
|
|
|
if (touch) {
|
|
// Touch device support
|
|
tapEvt = {
|
|
target: dragEl,
|
|
clientX: touch.clientX,
|
|
clientY: touch.clientY
|
|
};
|
|
|
|
this._onDragStart(tapEvt, 'touch');
|
|
}
|
|
else if (!this.nativeDraggable) {
|
|
this._onDragStart(tapEvt, true);
|
|
}
|
|
else {
|
|
_on(dragEl, 'dragend', this);
|
|
_on(rootEl, 'dragstart', this._onDragStart);
|
|
}
|
|
|
|
try {
|
|
if (document.selection) {
|
|
// Timeout neccessary for IE9
|
|
_nextTick(function () {
|
|
document.selection.empty();
|
|
});
|
|
} else {
|
|
window.getSelection().removeAllRanges();
|
|
}
|
|
} catch (err) {
|
|
}
|
|
},
|
|
|
|
_dragStarted: function () {
|
|
if (rootEl && dragEl) {
|
|
if (this.nativeDraggable) {
|
|
_on(document, 'dragover', this._handleAutoScroll);
|
|
_on(document, 'dragover', _checkAlignment);
|
|
}
|
|
var options = this.options;
|
|
|
|
// Apply effect
|
|
_toggleClass(dragEl, options.dragClass, false);
|
|
_toggleClass(dragEl, options.ghostClass, true);
|
|
|
|
_css(dragEl, 'transform', '');
|
|
|
|
Sortable.active = this;
|
|
|
|
this._isAligned = true;
|
|
|
|
// Drag start event
|
|
_dispatchEvent(this, rootEl, 'start', dragEl, rootEl, rootEl, oldIndex);
|
|
} else {
|
|
this._nulling();
|
|
}
|
|
},
|
|
|
|
_emulateDragOver: function (bypassLastTouchCheck) {
|
|
if (touchEvt) {
|
|
if (this._lastX === touchEvt.clientX && this._lastY === touchEvt.clientY && !bypassLastTouchCheck) {
|
|
return;
|
|
}
|
|
|
|
this._lastX = touchEvt.clientX;
|
|
this._lastY = touchEvt.clientY;
|
|
|
|
if (!supportCssPointerEvents) {
|
|
_css(ghostEl, 'display', 'none');
|
|
}
|
|
|
|
var target = document.elementFromPoint(touchEvt.clientX, touchEvt.clientY);
|
|
var parent = target;
|
|
var isDragEl = !!_closest(target, null, dragEl, true);
|
|
|
|
while (target && target.shadowRoot) {
|
|
target = target.shadowRoot.elementFromPoint(touchEvt.clientX, touchEvt.clientY);
|
|
parent = target;
|
|
}
|
|
|
|
if (parent) {
|
|
do {
|
|
if (parent[expando]) {
|
|
var i = touchDragOverListeners.length;
|
|
while (i--) {
|
|
touchDragOverListeners[i]({
|
|
clientX: touchEvt.clientX,
|
|
clientY: touchEvt.clientY,
|
|
target: target,
|
|
rootEl: parent
|
|
});
|
|
}
|
|
|
|
if (!this.options.dragoverBubble) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
target = parent; // store last element
|
|
}
|
|
/* jshint boss:true */
|
|
while (parent = parent.parentNode);
|
|
}
|
|
dragEl.parentNode[expando]._computeIsAligned(touchEvt, isDragEl);
|
|
|
|
if (!supportCssPointerEvents) {
|
|
_css(ghostEl, 'display', '');
|
|
}
|
|
}
|
|
},
|
|
|
|
|
|
_onTouchMove: function (/**TouchEvent*/evt) {
|
|
if (tapEvt) {
|
|
var options = this.options,
|
|
fallbackTolerance = options.fallbackTolerance,
|
|
fallbackOffset = options.fallbackOffset,
|
|
touch = evt.touches ? evt.touches[0] : evt,
|
|
dx = (touch.clientX - tapEvt.clientX) + fallbackOffset.x,
|
|
dy = (touch.clientY - tapEvt.clientY) + fallbackOffset.y,
|
|
translate3d = evt.touches ? 'translate3d(' + dx + 'px,' + dy + 'px,0)' : 'translate(' + dx + 'px,' + dy + 'px)';
|
|
|
|
// prevent duplicate event firing
|
|
if (this.options.supportPointer && evt.type === 'touchmove') return;
|
|
|
|
// only set the status to dragging, when we are actually dragging
|
|
if (!Sortable.active) {
|
|
if (fallbackTolerance &&
|
|
min(abs(touch.clientX - this._lastX), abs(touch.clientY - this._lastY)) < fallbackTolerance
|
|
) {
|
|
return;
|
|
}
|
|
|
|
this._dragStarted();
|
|
}
|
|
|
|
// as well as creating the ghost element on the document body
|
|
this._appendGhost();
|
|
|
|
this._handleAutoScroll(touch, true);
|
|
|
|
|
|
moved = true;
|
|
touchEvt = touch;
|
|
|
|
_css(ghostEl, 'webkitTransform', translate3d);
|
|
_css(ghostEl, 'mozTransform', translate3d);
|
|
_css(ghostEl, 'msTransform', translate3d);
|
|
_css(ghostEl, 'transform', translate3d);
|
|
|
|
evt.cancelable && evt.preventDefault();
|
|
}
|
|
},
|
|
|
|
_appendGhost: function () {
|
|
if (!ghostEl) {
|
|
var rect = dragEl.getBoundingClientRect(),
|
|
css = _css(dragEl),
|
|
options = this.options;
|
|
|
|
ghostEl = dragEl.cloneNode(true);
|
|
|
|
_toggleClass(ghostEl, options.ghostClass, false);
|
|
_toggleClass(ghostEl, options.fallbackClass, true);
|
|
_toggleClass(ghostEl, options.dragClass, true);
|
|
|
|
_css(ghostEl, 'box-sizing', 'border-box');
|
|
_css(ghostEl, 'margin', 0);
|
|
_css(ghostEl, 'top', rect.top);
|
|
_css(ghostEl, 'left', rect.left);
|
|
_css(ghostEl, 'width', rect.width);
|
|
_css(ghostEl, 'height', rect.height);
|
|
_css(ghostEl, 'opacity', '0.8');
|
|
_css(ghostEl, 'position', 'fixed');
|
|
_css(ghostEl, 'zIndex', '100000');
|
|
_css(ghostEl, 'pointerEvents', 'none');
|
|
|
|
options.fallbackOnBody && document.body.appendChild(ghostEl) || rootEl.appendChild(ghostEl);
|
|
}
|
|
},
|
|
|
|
_onDragStart: function (/**Event*/evt, /**boolean*/useFallback) {
|
|
var _this = this;
|
|
var dataTransfer = evt.dataTransfer;
|
|
var options = _this.options;
|
|
|
|
_this._offUpEvents();
|
|
if (activeGroup.checkPull(_this, _this, dragEl, evt)) {
|
|
cloneEl = _clone(dragEl);
|
|
|
|
cloneEl.draggable = false;
|
|
cloneEl.style['will-change'] = '';
|
|
|
|
this._hideClone();
|
|
|
|
_toggleClass(cloneEl, _this.options.chosenClass, false);
|
|
|
|
// #1143: IFrame support workaround
|
|
_this._cloneId = _nextTick(function () {
|
|
rootEl.insertBefore(cloneEl, dragEl);
|
|
_dispatchEvent(_this, rootEl, 'clone', dragEl);
|
|
});
|
|
}
|
|
|
|
_toggleClass(dragEl, options.dragClass, true);
|
|
|
|
if (useFallback) {
|
|
if (useFallback === 'touch') {
|
|
// Fixed #973:
|
|
_on(document, 'touchmove', _preventScroll);
|
|
|
|
// Bind touch events
|
|
_on(document, 'touchmove', _this._onTouchMove);
|
|
_on(document, 'touchend', _this._onDrop);
|
|
_on(document, 'touchcancel', _this._onDrop);
|
|
|
|
if (options.supportPointer) {
|
|
_on(document, 'pointermove', _this._onTouchMove);
|
|
_on(document, 'pointerup', _this._onDrop);
|
|
}
|
|
} else {
|
|
// Old brwoser
|
|
_on(document, 'mousemove', _this._onTouchMove);
|
|
_on(document, 'mouseup', _this._onDrop);
|
|
}
|
|
|
|
_this._loopId = setInterval(_this._emulateDragOver, 50);
|
|
_toggleClass(dragEl, options.dragClass, false);
|
|
}
|
|
else {
|
|
if (dataTransfer) {
|
|
dataTransfer.effectAllowed = 'move';
|
|
options.setData && options.setData.call(_this, dataTransfer, dragEl);
|
|
}
|
|
|
|
_on(document, 'drop', _this);
|
|
|
|
// #1276 fix:
|
|
_css(dragEl, 'transform', 'translateZ(0)');
|
|
|
|
_this._dragStartId = _nextTick(_this._dragStarted);
|
|
}
|
|
_on(document, 'selectstart', _this);
|
|
},
|
|
|
|
_onDragOver: function (/**Event*/evt) {
|
|
var el = this.el,
|
|
target,
|
|
dragRect,
|
|
targetRect,
|
|
revert,
|
|
options = this.options,
|
|
group = options.group,
|
|
activeSortable = Sortable.active,
|
|
isOwner = (activeGroup === group),
|
|
isMovingBetweenSortable = false,
|
|
canSort = options.sort
|
|
;
|
|
|
|
|
|
if (evt.rootEl !== void 0 && evt.rootEl !== this.el) return; // touch fallback
|
|
|
|
// no bubbling and not fallback
|
|
if (!options.dragoverBubble && !evt.rootEl) {
|
|
this._handleAutoScroll(evt);
|
|
dragEl.parentNode[expando]._computeIsAligned(evt);
|
|
}
|
|
|
|
if (evt.preventDefault !== void 0) {
|
|
evt.cancelable && evt.preventDefault();
|
|
!options.dragoverBubble && evt.stopPropagation();
|
|
}
|
|
|
|
|
|
moved = true;
|
|
|
|
target = _closest(evt.target, options.draggable, el, true);
|
|
|
|
|
|
if (dragEl.animated && target === dragEl || target.animated || _silent) {
|
|
return;
|
|
}
|
|
|
|
|
|
if (target !== lastTarget) {
|
|
isCircumstantialInvert = false;
|
|
pastFirstInvertThresh = false;
|
|
lastTarget = null;
|
|
}
|
|
|
|
|
|
if (activeSortable && !options.disabled &&
|
|
(isOwner
|
|
? canSort || (revert = !rootEl.contains(dragEl)) // Reverting item into the original list
|
|
: (
|
|
putSortable === this ||
|
|
(
|
|
(this.lastPutMode = activeGroup.checkPull(this, activeSortable, dragEl, evt)) &&
|
|
group.checkPut(this, activeSortable, dragEl, evt)
|
|
)
|
|
)
|
|
)
|
|
) {
|
|
var direction;
|
|
var axis = this._getDirection(evt, target);
|
|
|
|
|
|
dragRect = dragEl.getBoundingClientRect();
|
|
|
|
if (putSortable !== this && this !== Sortable.active) {
|
|
putSortable = this;
|
|
isMovingBetweenSortable = true;
|
|
} else if (this === Sortable.active) {
|
|
isMovingBetweenSortable = false;
|
|
putSortable = null;
|
|
}
|
|
|
|
if (revert) {
|
|
this._hideClone();
|
|
parentEl = rootEl; // actualization
|
|
|
|
if (cloneEl || nextEl) {
|
|
rootEl.insertBefore(dragEl, cloneEl || nextEl);
|
|
}
|
|
else if (!canSort) {
|
|
rootEl.appendChild(dragEl);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
if ((el.children.length === 0) || (el.children[0] === ghostEl) ||
|
|
(el === evt.target) && _ghostIsLast(evt, axis, el)
|
|
) {
|
|
//assign target only if condition is true
|
|
if (el.children.length !== 0 && el.children[0] !== ghostEl && el === evt.target) {
|
|
target = _lastChild(el);
|
|
}
|
|
|
|
if (target) {
|
|
if (target.animated) {
|
|
return;
|
|
}
|
|
|
|
targetRect = target.getBoundingClientRect();
|
|
}
|
|
|
|
if (isOwner) {
|
|
activeSortable._hideClone();
|
|
} else {
|
|
activeSortable._showClone(this);
|
|
}
|
|
|
|
if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, !!target) !== false) {
|
|
if (!dragEl.contains(el)) {
|
|
el.appendChild(dragEl);
|
|
parentEl = el; // actualization
|
|
this._isAligned = true; // must be for _ghostIsLast to pass
|
|
realDragElRect = null;
|
|
}
|
|
|
|
this._animate(dragRect, dragEl);
|
|
target && this._animate(targetRect, target);
|
|
}
|
|
}
|
|
else if (target && !target.animated && target !== dragEl && (target.parentNode[expando] !== void 0) && target !== el) {
|
|
|
|
isCircumstantialInvert = isCircumstantialInvert || options.invertSwap || dragEl.parentNode !== el || !this._isAligned;
|
|
direction = _getSwapDirection(evt, target, axis,
|
|
options.swapThreshold, options.invertedSwapThreshold,
|
|
isCircumstantialInvert,
|
|
lastTarget === target);
|
|
if (direction === 0) return;
|
|
realDragElRect = null;
|
|
|
|
|
|
this._isAligned = true;
|
|
|
|
if (!lastTarget || lastTarget !== target && (!target || !target.animated)) {
|
|
pastFirstInvertThresh = false;
|
|
lastTarget = target;
|
|
}
|
|
|
|
|
|
lastDirection = direction;
|
|
|
|
targetRect = target.getBoundingClientRect();
|
|
|
|
var nextSibling = target.nextElementSibling,
|
|
after = false
|
|
;
|
|
|
|
after = direction === 1;
|
|
|
|
var moveVector = _onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, after);
|
|
|
|
if (moveVector !== false) {
|
|
if (moveVector === 1 || moveVector === -1) {
|
|
after = (moveVector === 1);
|
|
}
|
|
|
|
_silent = true;
|
|
setTimeout(_unsilent, 30);
|
|
|
|
if (isOwner) {
|
|
activeSortable._hideClone();
|
|
} else {
|
|
activeSortable._showClone(this);
|
|
}
|
|
|
|
if (!dragEl.contains(el)) {
|
|
if (after && !nextSibling) {
|
|
el.appendChild(dragEl);
|
|
} else {
|
|
target.parentNode.insertBefore(dragEl, after ? nextSibling : target);
|
|
}
|
|
}
|
|
|
|
parentEl = dragEl.parentNode; // actualization
|
|
|
|
this._animate(dragRect, dragEl);
|
|
this._animate(targetRect, target);
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
_animate: function (prevRect, target) {
|
|
var ms = this.options.animation;
|
|
|
|
if (ms) {
|
|
var currentRect = target.getBoundingClientRect();
|
|
|
|
if (target === dragEl) {
|
|
realDragElRect = currentRect;
|
|
}
|
|
|
|
if (prevRect.nodeType === 1) {
|
|
prevRect = prevRect.getBoundingClientRect();
|
|
}
|
|
|
|
// Check if actually moving position
|
|
if ((prevRect.left + prevRect.width / 2) === (currentRect.left + currentRect.width / 2)
|
|
&& (prevRect.top + prevRect.height / 2) === (currentRect.top + currentRect.height / 2)
|
|
) return;
|
|
|
|
_css(target, 'transition', 'none');
|
|
_css(target, 'transform', 'translate3d('
|
|
+ (prevRect.left - currentRect.left) + 'px,'
|
|
+ (prevRect.top - currentRect.top) + 'px,0)'
|
|
);
|
|
|
|
forRepaintDummy = target.offsetWidth; // repaint
|
|
|
|
_css(target, 'transition', 'all ' + ms + 'ms');
|
|
_css(target, 'transform', 'translate3d(0,0,0)');
|
|
|
|
clearTimeout(target.animated);
|
|
target.animated = setTimeout(function () {
|
|
_css(target, 'transition', '');
|
|
_css(target, 'transform', '');
|
|
target.animated = false;
|
|
}, ms);
|
|
}
|
|
},
|
|
|
|
_offUpEvents: function () {
|
|
var ownerDocument = this.el.ownerDocument;
|
|
|
|
_off(document, 'touchmove', _preventScroll);
|
|
_off(document, 'touchmove', this._onTouchMove);
|
|
_off(document, 'pointermove', this._onTouchMove);
|
|
_off(ownerDocument, 'mouseup', this._onDrop);
|
|
_off(ownerDocument, 'touchend', this._onDrop);
|
|
_off(ownerDocument, 'pointerup', this._onDrop);
|
|
_off(ownerDocument, 'touchcancel', this._onDrop);
|
|
_off(ownerDocument, 'pointercancel', this._onDrop);
|
|
_off(document, 'selectstart', this);
|
|
},
|
|
|
|
_onDrop: function (/**Event*/evt) {
|
|
var el = this.el,
|
|
options = this.options;
|
|
scrolling = false;
|
|
isCircumstantialInvert = false;
|
|
pastFirstInvertThresh = false;
|
|
|
|
clearInterval(this._loopId);
|
|
|
|
clearInterval(pointerElemChangedInterval);
|
|
_clearAutoScrolls();
|
|
_cancelThrottle();
|
|
|
|
clearTimeout(this._dragStartTimer);
|
|
|
|
_cancelNextTick(this._cloneId);
|
|
_cancelNextTick(this._dragStartId);
|
|
|
|
// Unbind events
|
|
_off(document, 'mousemove', this._onTouchMove);
|
|
|
|
|
|
if (this.nativeDraggable) {
|
|
_off(document, 'drop', this);
|
|
_off(el, 'dragstart', this._onDragStart);
|
|
_off(document, 'dragover', this._handleAutoScroll);
|
|
_off(document, 'dragover', _checkAlignment);
|
|
}
|
|
|
|
this._offUpEvents();
|
|
|
|
if (evt) {
|
|
if (moved) {
|
|
evt.cancelable && evt.preventDefault();
|
|
!options.dropBubble && evt.stopPropagation();
|
|
}
|
|
|
|
ghostEl && ghostEl.parentNode && ghostEl.parentNode.removeChild(ghostEl);
|
|
|
|
if (rootEl === parentEl || (putSortable && putSortable.lastPutMode !== 'clone')) {
|
|
// Remove clone
|
|
cloneEl && cloneEl.parentNode && cloneEl.parentNode.removeChild(cloneEl);
|
|
}
|
|
|
|
if (dragEl) {
|
|
if (this.nativeDraggable) {
|
|
_off(dragEl, 'dragend', this);
|
|
}
|
|
|
|
_disableDraggable(dragEl);
|
|
dragEl.style['will-change'] = '';
|
|
|
|
// Remove class's
|
|
_toggleClass(dragEl, this.options.ghostClass, false);
|
|
_toggleClass(dragEl, this.options.chosenClass, false);
|
|
|
|
// Drag stop event
|
|
_dispatchEvent(this, rootEl, 'unchoose', dragEl, parentEl, rootEl, oldIndex, null, evt);
|
|
|
|
if (rootEl !== parentEl) {
|
|
newIndex = _index(dragEl, options.draggable);
|
|
|
|
if (newIndex >= 0) {
|
|
// Add event
|
|
_dispatchEvent(null, parentEl, 'add', dragEl, parentEl, rootEl, oldIndex, newIndex, evt);
|
|
|
|
// Remove event
|
|
_dispatchEvent(this, rootEl, 'remove', dragEl, parentEl, rootEl, oldIndex, newIndex, evt);
|
|
|
|
// drag from one list and drop into another
|
|
_dispatchEvent(null, parentEl, 'sort', dragEl, parentEl, rootEl, oldIndex, newIndex, evt);
|
|
_dispatchEvent(this, rootEl, 'sort', dragEl, parentEl, rootEl, oldIndex, newIndex, evt);
|
|
}
|
|
|
|
putSortable && putSortable.save();
|
|
}
|
|
else {
|
|
if (dragEl.nextSibling !== nextEl) {
|
|
// Get the index of the dragged element within its parent
|
|
newIndex = _index(dragEl, options.draggable);
|
|
|
|
if (newIndex >= 0) {
|
|
// drag & drop within the same list
|
|
_dispatchEvent(this, rootEl, 'update', dragEl, parentEl, rootEl, oldIndex, newIndex, evt);
|
|
_dispatchEvent(this, rootEl, 'sort', dragEl, parentEl, rootEl, oldIndex, newIndex, evt);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (Sortable.active) {
|
|
/* jshint eqnull:true */
|
|
if (newIndex == null || newIndex === -1) {
|
|
newIndex = oldIndex;
|
|
}
|
|
|
|
_dispatchEvent(this, rootEl, 'end', dragEl, parentEl, rootEl, oldIndex, newIndex, evt);
|
|
|
|
// Save sorting
|
|
this.save();
|
|
}
|
|
}
|
|
|
|
}
|
|
this._nulling();
|
|
},
|
|
|
|
_nulling: function() {
|
|
rootEl =
|
|
dragEl =
|
|
parentEl =
|
|
ghostEl =
|
|
nextEl =
|
|
cloneEl =
|
|
lastDownEl =
|
|
|
|
scrollEl =
|
|
scrollParentEl =
|
|
autoScrolls.length =
|
|
|
|
pointerElemChangedInterval =
|
|
lastPointerElemX =
|
|
lastPointerElemY =
|
|
|
|
tapEvt =
|
|
touchEvt =
|
|
|
|
moved =
|
|
newIndex =
|
|
oldIndex =
|
|
|
|
lastTarget =
|
|
lastDirection =
|
|
|
|
forRepaintDummy =
|
|
realDragElRect =
|
|
|
|
putSortable =
|
|
activeGroup =
|
|
Sortable.active = null;
|
|
|
|
savedInputChecked.forEach(function (el) {
|
|
el.checked = true;
|
|
});
|
|
savedInputChecked.length = 0;
|
|
},
|
|
|
|
handleEvent: function (/**Event*/evt) {
|
|
switch (evt.type) {
|
|
case 'drop':
|
|
case 'dragend':
|
|
this._onDrop(evt);
|
|
break;
|
|
|
|
case 'dragenter':
|
|
case 'dragover':
|
|
if (dragEl) {
|
|
this._onDragOver(evt);
|
|
_globalDragOver(evt);
|
|
}
|
|
break;
|
|
|
|
case 'selectstart':
|
|
evt.preventDefault();
|
|
break;
|
|
}
|
|
},
|
|
|
|
|
|
/**
|
|
* Serializes the item into an array of string.
|
|
* @returns {String[]}
|
|
*/
|
|
toArray: function () {
|
|
var order = [],
|
|
el,
|
|
children = this.el.children,
|
|
i = 0,
|
|
n = children.length,
|
|
options = this.options;
|
|
|
|
for (; i < n; i++) {
|
|
el = children[i];
|
|
if (_closest(el, options.draggable, this.el, false)) {
|
|
order.push(el.getAttribute(options.dataIdAttr) || _generateId(el));
|
|
}
|
|
}
|
|
|
|
return order;
|
|
},
|
|
|
|
|
|
/**
|
|
* Sorts the elements according to the array.
|
|
* @param {String[]} order order of the items
|
|
*/
|
|
sort: function (order) {
|
|
var items = {}, rootEl = this.el;
|
|
|
|
this.toArray().forEach(function (id, i) {
|
|
var el = rootEl.children[i];
|
|
|
|
if (_closest(el, this.options.draggable, rootEl, false)) {
|
|
items[id] = el;
|
|
}
|
|
}, this);
|
|
|
|
order.forEach(function (id) {
|
|
if (items[id]) {
|
|
rootEl.removeChild(items[id]);
|
|
rootEl.appendChild(items[id]);
|
|
}
|
|
});
|
|
},
|
|
|
|
|
|
/**
|
|
* Save the current sorting
|
|
*/
|
|
save: function () {
|
|
var store = this.options.store;
|
|
store && store.set && store.set(this);
|
|
},
|
|
|
|
|
|
/**
|
|
* For each element in the set, get the first element that matches the selector by testing the element itself and traversing up through its ancestors in the DOM tree.
|
|
* @param {HTMLElement} el
|
|
* @param {String} [selector] default: `options.draggable`
|
|
* @returns {HTMLElement|null}
|
|
*/
|
|
closest: function (el, selector) {
|
|
return _closest(el, selector || this.options.draggable, this.el, false);
|
|
},
|
|
|
|
|
|
/**
|
|
* Set/get option
|
|
* @param {string} name
|
|
* @param {*} [value]
|
|
* @returns {*}
|
|
*/
|
|
option: function (name, value) {
|
|
var options = this.options;
|
|
|
|
if (value === void 0) {
|
|
return options[name];
|
|
} else {
|
|
options[name] = value;
|
|
|
|
if (name === 'group') {
|
|
_prepareGroup(options);
|
|
}
|
|
}
|
|
},
|
|
|
|
|
|
/**
|
|
* Destroy
|
|
*/
|
|
destroy: function () {
|
|
var el = this.el;
|
|
|
|
el[expando] = null;
|
|
|
|
_off(el, 'mousedown', this._onTapStart);
|
|
_off(el, 'touchstart', this._onTapStart);
|
|
_off(el, 'pointerdown', this._onTapStart);
|
|
|
|
if (this.nativeDraggable) {
|
|
_off(el, 'dragover', this);
|
|
_off(el, 'dragenter', this);
|
|
}
|
|
// Remove draggable attributes
|
|
Array.prototype.forEach.call(el.querySelectorAll('[draggable]'), function (el) {
|
|
el.removeAttribute('draggable');
|
|
});
|
|
|
|
touchDragOverListeners.splice(touchDragOverListeners.indexOf(this._onDragOver), 1);
|
|
|
|
this._onDrop();
|
|
|
|
this.el = el = null;
|
|
},
|
|
|
|
_hideClone: function() {
|
|
if (!cloneEl.cloneHidden) {
|
|
_css(cloneEl, 'display', 'none');
|
|
cloneEl.cloneHidden = true;
|
|
}
|
|
},
|
|
|
|
_showClone: function(putSortable) {
|
|
if (putSortable.lastPutMode !== 'clone') {
|
|
this._hideClone();
|
|
return;
|
|
}
|
|
|
|
if (cloneEl.cloneHidden) {
|
|
// show clone at dragEl or original position
|
|
if (rootEl.contains(dragEl) && !this.options.group.revertClone) {
|
|
rootEl.insertBefore(cloneEl, dragEl);
|
|
} else if (nextEl) {
|
|
rootEl.insertBefore(cloneEl, nextEl);
|
|
} else {
|
|
rootEl.appendChild(cloneEl);
|
|
}
|
|
|
|
if (this.options.group.revertClone) {
|
|
this._animate(dragEl, cloneEl);
|
|
}
|
|
_css(cloneEl, 'display', '');
|
|
cloneEl.cloneHidden = false;
|
|
}
|
|
}
|
|
};
|
|
|
|
function _closest(/**HTMLElement*/el, /**String*/selector, /**HTMLElement*/ctx, includeCTX) {
|
|
if (el) {
|
|
ctx = ctx || document;
|
|
|
|
do {
|
|
if ((selector === '>*' && el.parentNode === ctx) || _matches(el, selector) || (includeCTX && el === ctx)) {
|
|
return el;
|
|
}
|
|
|
|
if (el === ctx) break;
|
|
/* jshint boss:true */
|
|
} while (el = _getParentOrHost(el));
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
|
|
function _getParentOrHost(el) {
|
|
return (el.host && el !== document && el.host.nodeType)
|
|
? el.host
|
|
: el.parentNode;
|
|
}
|
|
|
|
|
|
function _globalDragOver(/**Event*/evt) {
|
|
if (evt.dataTransfer) {
|
|
evt.dataTransfer.dropEffect = 'move';
|
|
}
|
|
evt.cancelable && evt.preventDefault();
|
|
}
|
|
|
|
|
|
function _on(el, event, fn) {
|
|
el.addEventListener(event, fn, captureMode);
|
|
}
|
|
|
|
|
|
function _off(el, event, fn) {
|
|
el.removeEventListener(event, fn, captureMode);
|
|
}
|
|
|
|
|
|
function _toggleClass(el, name, state) {
|
|
if (el && name) {
|
|
if (el.classList) {
|
|
el.classList[state ? 'add' : 'remove'](name);
|
|
}
|
|
else {
|
|
var className = (' ' + el.className + ' ').replace(R_SPACE, ' ').replace(' ' + name + ' ', ' ');
|
|
el.className = (className + (state ? ' ' + name : '')).replace(R_SPACE, ' ');
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
function _css(el, prop, val) {
|
|
var style = el && el.style;
|
|
|
|
if (style) {
|
|
if (val === void 0) {
|
|
if (document.defaultView && document.defaultView.getComputedStyle) {
|
|
val = document.defaultView.getComputedStyle(el, '');
|
|
}
|
|
else if (el.currentStyle) {
|
|
val = el.currentStyle;
|
|
}
|
|
|
|
return prop === void 0 ? val : val[prop];
|
|
}
|
|
else {
|
|
if (!(prop in style)) {
|
|
prop = '-webkit-' + prop;
|
|
}
|
|
|
|
style[prop] = val + (typeof val === 'string' ? '' : 'px');
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
function _find(ctx, tagName, iterator) {
|
|
if (ctx) {
|
|
var list = ctx.getElementsByTagName(tagName), i = 0, n = list.length;
|
|
|
|
if (iterator) {
|
|
for (; i < n; i++) {
|
|
iterator(list[i], i);
|
|
}
|
|
}
|
|
|
|
return list;
|
|
}
|
|
|
|
return [];
|
|
}
|
|
|
|
|
|
|
|
function _dispatchEvent(sortable, rootEl, name, targetEl, toEl, fromEl, startIndex, newIndex, originalEvt) {
|
|
sortable = (sortable || rootEl[expando]);
|
|
|
|
var evt,
|
|
options = sortable.options,
|
|
onName = 'on' + name.charAt(0).toUpperCase() + name.substr(1);
|
|
// Support for new CustomEvent feature
|
|
if (window.CustomEvent) {
|
|
evt = new CustomEvent(name, {
|
|
bubbles: true,
|
|
cancelable: true
|
|
});
|
|
} else {
|
|
evt = document.createEvent('Event');
|
|
evt.initEvent(name, true, true);
|
|
}
|
|
|
|
evt.to = toEl || rootEl;
|
|
evt.from = fromEl || rootEl;
|
|
evt.item = targetEl || rootEl;
|
|
evt.clone = cloneEl;
|
|
|
|
evt.oldIndex = startIndex;
|
|
evt.newIndex = newIndex;
|
|
|
|
evt.originalEvent = originalEvt;
|
|
|
|
rootEl.dispatchEvent(evt);
|
|
|
|
if (options[onName]) {
|
|
options[onName].call(sortable, evt);
|
|
}
|
|
}
|
|
|
|
|
|
function _onMove(fromEl, toEl, dragEl, dragRect, targetEl, targetRect, originalEvt, willInsertAfter) {
|
|
var evt,
|
|
sortable = fromEl[expando],
|
|
onMoveFn = sortable.options.onMove,
|
|
retVal;
|
|
// Support for new CustomEvent feature
|
|
if (window.CustomEvent) {
|
|
evt = new CustomEvent('move', {
|
|
bubbles: true,
|
|
cancelable: true
|
|
});
|
|
} else {
|
|
evt = document.createEvent('Event');
|
|
evt.initEvent('move', true, true);
|
|
}
|
|
|
|
evt.to = toEl;
|
|
evt.from = fromEl;
|
|
evt.dragged = dragEl;
|
|
evt.draggedRect = dragRect;
|
|
evt.related = targetEl || toEl;
|
|
evt.relatedRect = targetRect || toEl.getBoundingClientRect();
|
|
evt.willInsertAfter = willInsertAfter;
|
|
|
|
evt.originalEvent = originalEvt;
|
|
|
|
fromEl.dispatchEvent(evt);
|
|
|
|
if (onMoveFn) {
|
|
retVal = onMoveFn.call(sortable, evt, originalEvt);
|
|
}
|
|
|
|
return retVal;
|
|
}
|
|
|
|
function _disableDraggable(el) {
|
|
el.draggable = false;
|
|
}
|
|
|
|
function _unsilent() {
|
|
_silent = false;
|
|
}
|
|
|
|
function _getChild(el, childNum, options) {
|
|
var currentChild = 0,
|
|
i = 0,
|
|
children = el.children
|
|
;
|
|
while (i < children.length) {
|
|
if (
|
|
children[i].style.display !== 'none' &&
|
|
children[i] !== ghostEl &&
|
|
children[i] !== dragEl &&
|
|
_closest(children[i], options.draggable, el, false)
|
|
) {
|
|
if (currentChild === childNum) {
|
|
return children[i];
|
|
}
|
|
currentChild++;
|
|
}
|
|
|
|
i++;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
function _lastChild(el) {
|
|
var last = el.lastElementChild;
|
|
|
|
if (last === ghostEl) {
|
|
last = el.children[el.childElementCount - 2];
|
|
}
|
|
|
|
return last || null;
|
|
}
|
|
|
|
function _ghostIsLast(evt, axis, el) {
|
|
var elRect = _lastChild(el).getBoundingClientRect(),
|
|
mouseOnAxis = axis === 'vertical' ? evt.clientY : evt.clientX,
|
|
mouseOnOppAxis = axis === 'vertical' ? evt.clientX : evt.clientY,
|
|
targetS2 = axis === 'vertical' ? elRect.bottom : elRect.right,
|
|
targetS1Opp = axis === 'vertical' ? elRect.left : elRect.top,
|
|
targetS2Opp = axis === 'vertical' ? elRect.right : elRect.bottom
|
|
;
|
|
return (
|
|
mouseOnOppAxis > targetS1Opp &&
|
|
mouseOnOppAxis < targetS2Opp &&
|
|
mouseOnAxis > targetS2
|
|
);
|
|
}
|
|
|
|
function _getSwapDirection(evt, target, axis, swapThreshold, invertedSwapThreshold, invertSwap, inside) {
|
|
var targetRect = target.getBoundingClientRect(),
|
|
mouseOnAxis = axis === 'vertical' ? evt.clientY : evt.clientX,
|
|
targetLength = axis === 'vertical' ? targetRect.height : targetRect.width,
|
|
targetS1 = axis === 'vertical' ? targetRect.top : targetRect.left,
|
|
targetS2 = axis === 'vertical' ? targetRect.bottom : targetRect.right,
|
|
dragRect = dragEl.getBoundingClientRect(),
|
|
dragLength = axis === 'vertical' ? dragRect.height : dragRect.width,
|
|
invert = false
|
|
;
|
|
var dragStyle = _css(dragEl);
|
|
dragLength += parseInt(dragStyle.marginLeft) + parseInt(dragStyle.marginRight);
|
|
|
|
if (!invertSwap) {
|
|
// Never invert or create dragEl shadow when width causes mouse to move past the end of regular swapThreshold
|
|
if (inside && dragLength < targetLength * swapThreshold) { // multiplied only by swapThreshold because mouse will already be inside target by (1 - threshold) * targetLength / 2
|
|
// check if past first invert threshold on side opposite of lastDirection
|
|
if (!pastFirstInvertThresh &&
|
|
(lastDirection === 1 ?
|
|
(
|
|
mouseOnAxis > targetS1 + targetLength * invertedSwapThreshold / 2
|
|
) :
|
|
(
|
|
mouseOnAxis < targetS2 - targetLength * invertedSwapThreshold / 2
|
|
)
|
|
)
|
|
)
|
|
{
|
|
// past first invert threshold, do not restrict inverted threshold to dragEl shadow
|
|
pastFirstInvertThresh = true;
|
|
}
|
|
|
|
if (!pastFirstInvertThresh) {
|
|
var dragS1 = axis === 'vertical' ? dragRect.top : dragRect.left,
|
|
dragS2 = axis === 'vertical' ? dragRect.bottom : dragRect.right
|
|
;
|
|
// dragEl shadow
|
|
if (
|
|
lastDirection === 1 ?
|
|
(
|
|
mouseOnAxis < targetS1 + dragLength // over dragEl shadow
|
|
) :
|
|
(
|
|
mouseOnAxis > targetS2 - dragLength
|
|
)
|
|
)
|
|
{
|
|
return lastDirection * -1;
|
|
}
|
|
} else {
|
|
invert = true;
|
|
}
|
|
} else {
|
|
// Regular
|
|
if (
|
|
mouseOnAxis > targetS1 + (targetLength * (1 - swapThreshold) / 2) &&
|
|
mouseOnAxis < targetS2 - (targetLength * (1 - swapThreshold) / 2)
|
|
) {
|
|
return ((mouseOnAxis > targetS1 + targetLength / 2) ? -1 : 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
invert = invert || invertSwap;
|
|
|
|
if (invert) {
|
|
// Invert of regular
|
|
if (
|
|
mouseOnAxis < targetS1 + (targetLength * invertedSwapThreshold / 2) ||
|
|
mouseOnAxis > targetS2 - (targetLength * invertedSwapThreshold / 2)
|
|
)
|
|
{
|
|
return ((mouseOnAxis > targetS1 + targetLength / 2) ? 1 : -1);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/**
|
|
* Generate id
|
|
* @param {HTMLElement} el
|
|
* @returns {String}
|
|
* @private
|
|
*/
|
|
function _generateId(el) {
|
|
var str = el.tagName + el.className + el.src + el.href + el.textContent,
|
|
i = str.length,
|
|
sum = 0;
|
|
|
|
while (i--) {
|
|
sum += str.charCodeAt(i);
|
|
}
|
|
|
|
return sum.toString(36);
|
|
}
|
|
|
|
/**
|
|
* Returns the index of an element within its parent for a selected set of
|
|
* elements
|
|
* @param {HTMLElement} el
|
|
* @param {selector} selector
|
|
* @return {number}
|
|
*/
|
|
function _index(el, selector) {
|
|
var index = 0;
|
|
|
|
if (!el || !el.parentNode) {
|
|
return -1;
|
|
}
|
|
|
|
while (el && (el = el.previousElementSibling)) {
|
|
if ((el.nodeName.toUpperCase() !== 'TEMPLATE') && (selector === '>*' || _matches(el, selector))) {
|
|
index++;
|
|
}
|
|
}
|
|
|
|
return index;
|
|
}
|
|
|
|
function _matches(/**HTMLElement*/el, /**String*/selector) {
|
|
if (el) {
|
|
try {
|
|
if (el.matches) {
|
|
return el.matches(selector);
|
|
} else if (el.msMatchesSelector) {
|
|
return el.msMatchesSelector(selector);
|
|
}
|
|
} catch(_) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
var _throttleTimeout;
|
|
function _throttle(callback, ms) {
|
|
return function () {
|
|
if (!_throttleTimeout) {
|
|
var args = arguments,
|
|
_this = this
|
|
;
|
|
|
|
_throttleTimeout = setTimeout(function () {
|
|
if (args.length === 1) {
|
|
callback.call(_this, args[0]);
|
|
} else {
|
|
callback.apply(_this, args);
|
|
}
|
|
|
|
_throttleTimeout = void 0;
|
|
}, ms);
|
|
}
|
|
};
|
|
}
|
|
|
|
function _cancelThrottle() {
|
|
clearTimeout(_throttleTimeout);
|
|
_throttleTimeout = void 0;
|
|
}
|
|
|
|
function _extend(dst, src) {
|
|
if (dst && src) {
|
|
for (var key in src) {
|
|
if (src.hasOwnProperty(key)) {
|
|
dst[key] = src[key];
|
|
}
|
|
}
|
|
}
|
|
|
|
return dst;
|
|
}
|
|
|
|
function _clone(el) {
|
|
if (Polymer && Polymer.dom) {
|
|
return Polymer.dom(el).cloneNode(true);
|
|
}
|
|
else if ($) {
|
|
return $(el).clone(true)[0];
|
|
}
|
|
else {
|
|
return el.cloneNode(true);
|
|
}
|
|
}
|
|
|
|
function _saveInputCheckedState(root) {
|
|
savedInputChecked.length = 0;
|
|
|
|
var inputs = root.getElementsByTagName('input');
|
|
var idx = inputs.length;
|
|
|
|
while (idx--) {
|
|
var el = inputs[idx];
|
|
el.checked && savedInputChecked.push(el);
|
|
}
|
|
}
|
|
|
|
function _nextTick(fn) {
|
|
return setTimeout(fn, 0);
|
|
}
|
|
|
|
function _cancelNextTick(id) {
|
|
return clearTimeout(id);
|
|
}
|
|
|
|
function _preventScroll(evt) {
|
|
if (Sortable.active && evt.cancelable) {
|
|
evt.preventDefault();
|
|
}
|
|
}
|
|
|
|
|
|
// Export utils
|
|
Sortable.utils = {
|
|
on: _on,
|
|
off: _off,
|
|
css: _css,
|
|
find: _find,
|
|
is: function (el, selector) {
|
|
return !!_closest(el, selector, el, false);
|
|
},
|
|
extend: _extend,
|
|
throttle: _throttle,
|
|
closest: _closest,
|
|
toggleClass: _toggleClass,
|
|
clone: _clone,
|
|
index: _index,
|
|
nextTick: _nextTick,
|
|
cancelNextTick: _cancelNextTick,
|
|
detectDirection: _detectDirection,
|
|
getChild: _getChild
|
|
};
|
|
|
|
|
|
/**
|
|
* Create sortable instance
|
|
* @param {HTMLElement} el
|
|
* @param {Object} [options]
|
|
*/
|
|
Sortable.create = function (el, options) {
|
|
return new Sortable(el, options);
|
|
};
|
|
|
|
|
|
// Export
|
|
Sortable.version = '1.8.0-rc1';
|
|
return Sortable;
|
|
}); |