forked from joomla/Component-Builder
644 lines
22 KiB
JavaScript
644 lines
22 KiB
JavaScript
/*! UIkit 2.21.0 | http://www.getuikit.com | (c) 2014 YOOtheme | MIT License */
|
|
/*
|
|
* Based on nativesortable - Copyright (c) Brian Grinstead - https://github.com/bgrins/nativesortable
|
|
*/
|
|
(function(addon) {
|
|
|
|
var component;
|
|
|
|
if (window.UIkit) {
|
|
component = addon(UIkit);
|
|
}
|
|
|
|
if (typeof define == "function" && define.amd) {
|
|
define("uikit-sortable", ["uikit"], function(){
|
|
return component || addon(UIkit);
|
|
});
|
|
}
|
|
|
|
})(function(UI){
|
|
|
|
"use strict";
|
|
|
|
var supportsTouch = ('ontouchstart' in window) || (window.DocumentTouch && document instanceof DocumentTouch),
|
|
draggingPlaceholder, currentlyDraggingElement, currentlyDraggingTarget, dragging, moving, clickedlink, delayIdle, touchedlists, moved;
|
|
|
|
function closestSortable(ele) {
|
|
|
|
ele = UI.$(ele);
|
|
|
|
do {
|
|
if (ele.data('sortable')) {
|
|
return ele;
|
|
}
|
|
ele = UI.$(ele).parent();
|
|
} while(ele.length);
|
|
|
|
return ele;
|
|
}
|
|
|
|
UI.component('sortable', {
|
|
|
|
defaults: {
|
|
|
|
animation : 150,
|
|
threshold : 10,
|
|
|
|
childClass : 'uk-sortable-item',
|
|
placeholderClass : 'uk-sortable-placeholder',
|
|
overClass : 'uk-sortable-over',
|
|
draggingClass : 'uk-sortable-dragged',
|
|
dragMovingClass : 'uk-sortable-moving',
|
|
baseClass : 'uk-sortable',
|
|
noDragClass : 'uk-sortable-nodrag',
|
|
dragCustomClass : '',
|
|
handleClass : false,
|
|
group : false,
|
|
|
|
stop : function() {},
|
|
start : function() {},
|
|
change : function() {}
|
|
},
|
|
|
|
boot: function() {
|
|
|
|
// auto init
|
|
UI.ready(function(context) {
|
|
|
|
UI.$("[data-uk-sortable]", context).each(function(){
|
|
|
|
var ele = UI.$(this);
|
|
|
|
if(!ele.data("sortable")) {
|
|
var plugin = UI.sortable(ele, UI.Utils.options(ele.attr("data-uk-sortable")));
|
|
}
|
|
});
|
|
});
|
|
|
|
UI.$html.on('mousemove touchmove', function(e) {
|
|
|
|
if (delayIdle) {
|
|
|
|
var src = e.originalEvent.targetTouches ? e.originalEvent.targetTouches[0] : e;
|
|
|
|
if (Math.abs(src.pageX - delayIdle.pos.x) > delayIdle.threshold || Math.abs(src.pageY - delayIdle.pos.y) > delayIdle.threshold) {
|
|
delayIdle.apply(src);
|
|
}
|
|
}
|
|
|
|
if (draggingPlaceholder) {
|
|
|
|
if (!moving) {
|
|
moving = true;
|
|
draggingPlaceholder.show();
|
|
|
|
draggingPlaceholder.$current.addClass(draggingPlaceholder.$sortable.options.placeholderClass);
|
|
draggingPlaceholder.$sortable.element.children().addClass(draggingPlaceholder.$sortable.options.childClass);
|
|
|
|
UI.$html.addClass(draggingPlaceholder.$sortable.options.dragMovingClass);
|
|
}
|
|
|
|
var offset = draggingPlaceholder.data('mouse-offset'),
|
|
left = parseInt(e.originalEvent.pageX, 10) + offset.left,
|
|
top = parseInt(e.originalEvent.pageY, 10) + offset.top;
|
|
|
|
draggingPlaceholder.css({'left': left, 'top': top });
|
|
|
|
// adjust document scrolling
|
|
if (top < UI.$win.scrollTop()) {
|
|
UI.$win.scrollTop(UI.$win.scrollTop() - Math.ceil(draggingPlaceholder.height()/2));
|
|
} else if ( (top + draggingPlaceholder.height()) > (window.innerHeight + UI.$win.scrollTop()) ) {
|
|
UI.$win.scrollTop(UI.$win.scrollTop() + Math.ceil(draggingPlaceholder.height()/2));
|
|
}
|
|
}
|
|
});
|
|
|
|
UI.$html.on('mouseup touchend', function(e) {
|
|
|
|
delayIdle = clickedlink = false;
|
|
|
|
// dragging?
|
|
if (!currentlyDraggingElement || !draggingPlaceholder) {
|
|
// completely reset dragging attempt. will cause weird delay behavior elsewise
|
|
currentlyDraggingElement = draggingPlaceholder = null;
|
|
return;
|
|
}
|
|
|
|
// inside or outside of sortable?
|
|
var sortable = closestSortable(e.target),
|
|
component = draggingPlaceholder.$sortable,
|
|
ev = { type: e.type };
|
|
|
|
if (sortable[0]) {
|
|
component.dragDrop(ev, component.element);
|
|
}
|
|
component.dragEnd(ev, component.element);
|
|
});
|
|
},
|
|
|
|
init: function() {
|
|
|
|
var $this = this,
|
|
element = this.element[0],
|
|
children;
|
|
|
|
touchedlists = [];
|
|
|
|
// make sure :empty selector works on empty lists
|
|
if (this.element.children().length === 0) {
|
|
this.element.html('');
|
|
}
|
|
|
|
this.element.data('sortable-group', this.options.group ? this.options.group : UI.Utils.uid('sortable-group'));
|
|
|
|
var handleDragStart = delegate(function(e) {
|
|
|
|
var $target = UI.$(e.target),
|
|
$link = $target.is('a[href]') ? $target:$target.parents('a[href]');
|
|
|
|
if ($target.is(':input')) {
|
|
return;
|
|
}
|
|
|
|
e.preventDefault();
|
|
|
|
if (!supportsTouch && $link.length) {
|
|
|
|
$link.one('click', function(e){
|
|
e.preventDefault();
|
|
}).one('mouseup', function(){
|
|
if(!moved) $link.trigger('click');
|
|
});
|
|
}
|
|
|
|
return $this.dragStart(e, this);
|
|
});
|
|
|
|
var handleDragOver = delegate(function(e) {
|
|
|
|
if (!currentlyDraggingElement) {
|
|
return true;
|
|
}
|
|
|
|
if (e.preventDefault) {
|
|
e.preventDefault();
|
|
}
|
|
|
|
return false;
|
|
});
|
|
|
|
var handleDragEnter = delegate(UI.Utils.debounce(function(e) {
|
|
return $this.dragEnter(e, this);
|
|
}), 40);
|
|
|
|
var handleDragLeave = delegate(function(e) {
|
|
|
|
// Prevent dragenter on a child from allowing a dragleave on the container
|
|
var previousCounter = $this.dragenterData(this);
|
|
$this.dragenterData(this, previousCounter - 1);
|
|
|
|
// This is a fix for child elements firing dragenter before the parent fires dragleave
|
|
if (!$this.dragenterData(this)) {
|
|
UI.$(this).removeClass($this.options.overClass);
|
|
$this.dragenterData(this, false);
|
|
}
|
|
});
|
|
|
|
var handleTouchMove = delegate(function(e) {
|
|
|
|
if (!currentlyDraggingElement ||
|
|
currentlyDraggingElement === this ||
|
|
currentlyDraggingTarget === this) {
|
|
return true;
|
|
}
|
|
|
|
$this.element.children().removeClass($this.options.overClass);
|
|
currentlyDraggingTarget = this;
|
|
|
|
$this.moveElementNextTo(currentlyDraggingElement, this);
|
|
|
|
return prevent(e);
|
|
});
|
|
|
|
// Bind/unbind standard mouse/touch events as a polyfill.
|
|
function addDragHandlers() {
|
|
if (supportsTouch) {
|
|
element.addEventListener("touchmove", handleTouchMove, false);
|
|
} else {
|
|
element.addEventListener('mouseover', handleDragEnter, false);
|
|
element.addEventListener('mouseout', handleDragLeave, false);
|
|
}
|
|
|
|
// document.addEventListener("selectstart", prevent, false);
|
|
}
|
|
|
|
function removeDragHandlers() {
|
|
if (supportsTouch) {
|
|
element.removeEventListener("touchmove", handleTouchMove, false);
|
|
} else {
|
|
element.removeEventListener('mouseover', handleDragEnter, false);
|
|
element.removeEventListener('mouseout', handleDragLeave, false);
|
|
}
|
|
|
|
// document.removeEventListener("selectstart", prevent, false);
|
|
}
|
|
|
|
this.addDragHandlers = addDragHandlers;
|
|
this.removeDragHandlers = removeDragHandlers;
|
|
|
|
function handleDragMove(e) {
|
|
|
|
if (!currentlyDraggingElement) {
|
|
return;
|
|
}
|
|
|
|
$this.dragMove(e, $this);
|
|
}
|
|
|
|
function delegate(fn) {
|
|
|
|
return function(e) {
|
|
|
|
var touch, target, context;
|
|
|
|
if (e) {
|
|
touch = (supportsTouch && e.touches && e.touches[0]) || { };
|
|
target = touch.target || e.target;
|
|
|
|
// Fix event.target for a touch event
|
|
if (supportsTouch && document.elementFromPoint) {
|
|
target = document.elementFromPoint(e.pageX - document.body.scrollLeft, e.pageY - document.body.scrollTop);
|
|
}
|
|
}
|
|
|
|
if (UI.$(target).hasClass($this.options.childClass)) {
|
|
fn.apply(target, [e]);
|
|
} else if (target !== element) {
|
|
|
|
// If a child is initiating the event or ending it, then use the container as context for the callback.
|
|
context = moveUpToChildNode(element, target);
|
|
|
|
if (context) {
|
|
fn.apply(context, [e]);
|
|
}
|
|
}
|
|
};
|
|
}
|
|
|
|
window.addEventListener(supportsTouch ? 'touchmove' : 'mousemove', handleDragMove, false);
|
|
element.addEventListener(supportsTouch ? 'touchstart': 'mousedown', handleDragStart, false);
|
|
},
|
|
|
|
dragStart: function(e, elem) {
|
|
|
|
moved = false;
|
|
moving = false;
|
|
dragging = false;
|
|
|
|
var $this = this,
|
|
target = UI.$(e.target),
|
|
children = $this.element.children();
|
|
|
|
if (!supportsTouch && e.button==2) {
|
|
return;
|
|
}
|
|
|
|
if ($this.options.handleClass) {
|
|
|
|
var handle = target.hasClass($this.options.handleClass) ? target : target.closest('.'+$this.options.handleClass, $this.element);
|
|
|
|
if (!handle.length) {
|
|
//e.preventDefault();
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (target.is('.'+$this.options.noDragClass) || target.closest('.'+$this.options._noDragClass).length) {
|
|
return;
|
|
}
|
|
|
|
// prevent dragging if taget is a form field
|
|
if (target.is(':input')) {
|
|
return;
|
|
}
|
|
|
|
currentlyDraggingElement = elem;
|
|
|
|
// init drag placeholder
|
|
if (draggingPlaceholder) {
|
|
draggingPlaceholder.remove();
|
|
}
|
|
|
|
var $current = UI.$(currentlyDraggingElement), offset = $current.offset();
|
|
|
|
delayIdle = {
|
|
|
|
pos : { x:e.pageX, y:e.pageY },
|
|
threshold : $this.options.threshold,
|
|
apply : function(evt) {
|
|
|
|
draggingPlaceholder = UI.$('<div class="'+([$this.options.draggingClass, $this.options.dragCustomClass].join(' '))+'"></div>').css({
|
|
display : 'none',
|
|
top : offset.top,
|
|
left : offset.left,
|
|
width : $current.width(),
|
|
height : $current.height(),
|
|
padding : $current.css('padding')
|
|
}).data({
|
|
'mouse-offset': {
|
|
'left' : offset.left - parseInt(evt.pageX, 10),
|
|
'top' : offset.top - parseInt(evt.pageY, 10)
|
|
},
|
|
'origin' : $this.element,
|
|
'index' : $current.index()
|
|
}).append($current.html()).appendTo('body');
|
|
|
|
draggingPlaceholder.$current = $current;
|
|
draggingPlaceholder.$sortable = $this;
|
|
$current.data('sortable-group', $this.options.group);
|
|
|
|
$this.addDragHandlers();
|
|
|
|
$this.options.start(this, currentlyDraggingElement);
|
|
$this.trigger('start.uk.sortable', [$this, currentlyDraggingElement]);
|
|
|
|
moved = true;
|
|
delayIdle = false;
|
|
}
|
|
};
|
|
},
|
|
|
|
dragMove: function(e, elem) {
|
|
var overEl = UI.$(document.elementFromPoint(e.pageX - document.body.scrollLeft, e.pageY - (window.pageYOffset || document.documentElement.scrollTop))),
|
|
overRoot = overEl.closest('.'+this.options.baseClass),
|
|
groupOver = overRoot.data("sortable-group"),
|
|
$current = UI.$(currentlyDraggingElement),
|
|
currentRoot = $current.parent(),
|
|
groupCurrent = $current.data("sortable-group"),
|
|
overChild;
|
|
|
|
if (overRoot[0] !== currentRoot[0] && groupCurrent !== undefined && groupOver === groupCurrent) {
|
|
overRoot.data('sortable').addDragHandlers();
|
|
|
|
touchedlists.push(overRoot);
|
|
overRoot.children().addClass(this.options.childClass);
|
|
|
|
// swap root
|
|
if (overRoot.children().length > 0) {
|
|
overChild = overEl.closest('.'+this.options.childClass);
|
|
overChild.before($current);
|
|
} else { // empty list
|
|
overEl.append($current);
|
|
}
|
|
|
|
// list empty? remove inner whitespace to make sure :empty selector works
|
|
if (currentRoot.children().length === 0) {
|
|
currentRoot.html('');
|
|
}
|
|
|
|
UIkit.$doc.trigger('mouseover');
|
|
}
|
|
},
|
|
|
|
dragEnter: function(e, elem) {
|
|
|
|
if (!currentlyDraggingElement || currentlyDraggingElement === elem) {
|
|
return true;
|
|
}
|
|
|
|
// Prevent dragenter on a child from allowing a dragleave on the container
|
|
var previousCounter = this.dragenterData(elem);
|
|
|
|
this.dragenterData(elem, previousCounter + 1);
|
|
|
|
if (previousCounter === 0) {
|
|
|
|
UI.$(elem).addClass(this.options.overClass);
|
|
|
|
this.moveElementNextTo(currentlyDraggingElement, elem);
|
|
}
|
|
|
|
return false;
|
|
},
|
|
|
|
dragEnd: function(e, elem) {
|
|
|
|
var $this = this;
|
|
|
|
// avoid triggering event twice
|
|
if (currentlyDraggingElement) {
|
|
// TODO: trigger on right element?
|
|
this.options.stop(elem);
|
|
this.trigger('stop.uk.sortable', [this]);
|
|
}
|
|
|
|
currentlyDraggingElement = null;
|
|
currentlyDraggingTarget = null;
|
|
|
|
touchedlists.push(this.element);
|
|
touchedlists.forEach(function(el, i) {
|
|
UI.$(el).children().each(function() {
|
|
if (this.nodeType === 1) {
|
|
UI.$(this).removeClass($this.options.overClass)
|
|
.removeClass($this.options.placeholderClass)
|
|
.removeClass($this.options.childClass);
|
|
$this.dragenterData(this, false);
|
|
}
|
|
});
|
|
});
|
|
|
|
touchedlists = [];
|
|
|
|
UI.$html.removeClass(this.options.dragMovingClass);
|
|
|
|
this.removeDragHandlers();
|
|
|
|
if (draggingPlaceholder) {
|
|
draggingPlaceholder.remove();
|
|
draggingPlaceholder = null;
|
|
}
|
|
},
|
|
|
|
dragDrop: function(e, elem) {
|
|
|
|
if (e.type === 'drop') {
|
|
|
|
if (e.stopPropagation) {
|
|
e.stopPropagation();
|
|
}
|
|
|
|
if (e.preventDefault) {
|
|
e.preventDefault();
|
|
}
|
|
}
|
|
|
|
this.triggerChangeEvents();
|
|
},
|
|
|
|
triggerChangeEvents: function() {
|
|
|
|
// trigger events once
|
|
if (!currentlyDraggingElement) return;
|
|
|
|
var $current = UI.$(currentlyDraggingElement),
|
|
oldRoot = draggingPlaceholder.data("origin"),
|
|
newRoot = $current.closest('.'+this.options.baseClass),
|
|
triggers = [];
|
|
|
|
// events depending on move inside lists or across lists
|
|
if (oldRoot[0] === newRoot[0] && draggingPlaceholder.data('index') != $current.index() ) {
|
|
triggers.push({el: this, mode: 'moved'});
|
|
} else if (oldRoot[0] != newRoot[0]) {
|
|
triggers.push({el: newRoot, mode: 'added'}, {el: oldRoot, mode: 'removed'});
|
|
}
|
|
|
|
triggers.forEach(function (trigger, i) {
|
|
trigger.el.trigger('change.uk.sortable', [trigger.el, currentlyDraggingElement, trigger.mode]);
|
|
});
|
|
},
|
|
|
|
dragenterData: function(element, val) {
|
|
|
|
element = UI.$(element);
|
|
|
|
if (arguments.length == 1) {
|
|
return parseInt(element.data('child-dragenter'), 10) || 0;
|
|
} else if (!val) {
|
|
element.removeData('child-dragenter');
|
|
} else {
|
|
element.data('child-dragenter', Math.max(0, val));
|
|
}
|
|
},
|
|
|
|
moveElementNextTo: function(element, elementToMoveNextTo) {
|
|
|
|
dragging = true;
|
|
|
|
var $this = this,
|
|
list = UI.$(element).parent().css('min-height', ''),
|
|
next = isBelow(element, elementToMoveNextTo) ? elementToMoveNextTo : elementToMoveNextTo.nextSibling,
|
|
children = list.children(),
|
|
count = children.length;
|
|
|
|
if (!$this.options.animation) {
|
|
elementToMoveNextTo.parentNode.insertBefore(element, next);
|
|
UI.Utils.checkDisplay($this.element.parent());
|
|
return;
|
|
}
|
|
|
|
list.css('min-height', list.height());
|
|
|
|
children.stop().each(function(){
|
|
var ele = UI.$(this),
|
|
offset = ele.position();
|
|
|
|
offset.width = ele.width();
|
|
|
|
ele.data('offset-before', offset);
|
|
});
|
|
|
|
elementToMoveNextTo.parentNode.insertBefore(element, next);
|
|
|
|
UI.Utils.checkDisplay($this.element.parent());
|
|
|
|
children = list.children().each(function() {
|
|
var ele = UI.$(this);
|
|
ele.data('offset-after', ele.position());
|
|
}).each(function() {
|
|
var ele = UI.$(this),
|
|
before = ele.data('offset-before');
|
|
ele.css({'position':'absolute', 'top':before.top, 'left':before.left, 'min-width':before.width });
|
|
});
|
|
|
|
children.each(function(){
|
|
|
|
var ele = UI.$(this),
|
|
before = ele.data('offset-before'),
|
|
offset = ele.data('offset-after');
|
|
|
|
ele.css('pointer-events', 'none').width();
|
|
|
|
setTimeout(function(){
|
|
ele.animate({'top':offset.top, 'left':offset.left}, $this.options.animation, function() {
|
|
ele.css({'position':'','top':'', 'left':'', 'min-width': '', 'pointer-events':''}).removeClass($this.options.overClass).removeData('child-dragenter');
|
|
count--;
|
|
if (!count) {
|
|
list.css('min-height', '');
|
|
UI.Utils.checkDisplay($this.element.parent());
|
|
}
|
|
});
|
|
}, 0);
|
|
});
|
|
},
|
|
|
|
serialize: function() {
|
|
|
|
var data = [], item, attribute;
|
|
|
|
this.element.children().each(function(j, child) {
|
|
item = {};
|
|
for (var i = 0; i < child.attributes.length; i++) {
|
|
attribute = child.attributes[i];
|
|
if (attribute.name.indexOf('data-') === 0) {
|
|
item[attribute.name.substr(5)] = UI.Utils.str2json(attribute.value);
|
|
}
|
|
}
|
|
data.push(item);
|
|
});
|
|
|
|
return data;
|
|
}
|
|
});
|
|
|
|
// helpers
|
|
|
|
function isBelow(el1, el2) {
|
|
|
|
var parent = el1.parentNode;
|
|
|
|
if (el2.parentNode != parent) {
|
|
return false;
|
|
}
|
|
|
|
var cur = el1.previousSibling;
|
|
|
|
while (cur && cur.nodeType !== 9) {
|
|
if (cur === el2) {
|
|
return true;
|
|
}
|
|
cur = cur.previousSibling;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
function moveUpToChildNode(parent, child) {
|
|
var cur = child;
|
|
if (cur == parent) { return null; }
|
|
|
|
while (cur) {
|
|
if (cur.parentNode === parent) {
|
|
return cur;
|
|
}
|
|
|
|
cur = cur.parentNode;
|
|
if ( !cur || !cur.ownerDocument || cur.nodeType === 11 ) {
|
|
break;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
function prevent(e) {
|
|
if (e.stopPropagation) {
|
|
e.stopPropagation();
|
|
}
|
|
if (e.preventDefault) {
|
|
e.preventDefault();
|
|
}
|
|
e.returnValue = false;
|
|
}
|
|
|
|
return UI.sortable;
|
|
});
|