forked from joomla/Component-Builder
654 lines
22 KiB
JavaScript
654 lines
22 KiB
JavaScript
/*! UIkit 2.27.4 | http://www.getuikit.com | (c) 2014 YOOtheme | MIT License */
|
|
/*
|
|
* Based on Nestable jQuery Plugin - Copyright (c) 2012 David Bushell - http://dbushell.com/
|
|
*/
|
|
(function(addon) {
|
|
|
|
var component;
|
|
|
|
if (window.UIkit2) {
|
|
component = addon(UIkit2);
|
|
}
|
|
|
|
if (typeof define == 'function' && define.amd) {
|
|
define('uikit-nestable', ['uikit'], function(){
|
|
return component || addon(UIkit2);
|
|
});
|
|
}
|
|
|
|
})(function(UI) {
|
|
|
|
"use strict";
|
|
|
|
var hasTouch = 'ontouchstart' in window,
|
|
html = UI.$html,
|
|
touchedlists = [],
|
|
$win = UI.$win,
|
|
draggingElement;
|
|
|
|
var eStart = hasTouch ? 'touchstart' : 'mousedown',
|
|
eMove = hasTouch ? 'touchmove' : 'mousemove',
|
|
eEnd = hasTouch ? 'touchend' : 'mouseup',
|
|
eCancel = hasTouch ? 'touchcancel' : 'mouseup';
|
|
|
|
|
|
UI.component('nestable', {
|
|
|
|
defaults: {
|
|
listBaseClass : 'uk-nestable',
|
|
listClass : 'uk-nestable-list',
|
|
listItemClass : 'uk-nestable-item',
|
|
dragClass : 'uk-nestable-dragged',
|
|
movingClass : 'uk-nestable-moving',
|
|
noChildrenClass : 'uk-nestable-nochildren',
|
|
emptyClass : 'uk-nestable-empty',
|
|
handleClass : '',
|
|
collapsedClass : 'uk-collapsed',
|
|
placeholderClass: 'uk-nestable-placeholder',
|
|
noDragClass : 'uk-nestable-nodrag',
|
|
group : false,
|
|
maxDepth : 10,
|
|
threshold : 20,
|
|
idlethreshold : 10,
|
|
},
|
|
|
|
boot: function() {
|
|
|
|
// adjust document scrolling
|
|
UI.$html.on('mousemove touchmove', function(e) {
|
|
|
|
if (draggingElement) {
|
|
|
|
var top = draggingElement.offset().top;
|
|
|
|
if (top < UI.$win.scrollTop()) {
|
|
UI.$win.scrollTop(UI.$win.scrollTop() - Math.ceil(draggingElement.height()/2));
|
|
} else if ( (top + draggingElement.height()) > (window.innerHeight + UI.$win.scrollTop()) ) {
|
|
UI.$win.scrollTop(UI.$win.scrollTop() + Math.ceil(draggingElement.height()/2));
|
|
}
|
|
}
|
|
});
|
|
|
|
// init code
|
|
UI.ready(function(context) {
|
|
|
|
UI.$("[data-uk-nestable]", context).each(function(){
|
|
|
|
var ele = UI.$(this);
|
|
|
|
if (!ele.data("nestable")) {
|
|
UI.nestable(ele, UI.Utils.options(ele.attr("data-uk-nestable")));
|
|
}
|
|
});
|
|
});
|
|
},
|
|
|
|
init: function() {
|
|
|
|
var $this = this;
|
|
|
|
Object.keys(this.options).forEach(function(key){
|
|
|
|
if(String(key).indexOf('Class')!=-1) {
|
|
$this.options['_'+key] = '.' + $this.options[key];
|
|
}
|
|
});
|
|
|
|
this.find(this.options._listItemClass).find(">ul").addClass(this.options.listClass);
|
|
|
|
this.checkEmptyList();
|
|
|
|
this.reset();
|
|
this.element.data('nestable-group', this.options.group || UI.Utils.uid('nestable-group'));
|
|
|
|
this.find(this.options._listItemClass).each(function() {
|
|
$this.setParent(UI.$(this));
|
|
});
|
|
|
|
this.on('click', '[data-nestable-action]', function(e) {
|
|
|
|
if ($this.dragEl || (!hasTouch && e.button !== 0)) {
|
|
return;
|
|
}
|
|
|
|
e.preventDefault();
|
|
|
|
var target = UI.$(e.currentTarget),
|
|
action = target.data('nestableAction'),
|
|
item = target.closest($this.options._listItemClass);
|
|
|
|
if (action === 'collapse') {
|
|
$this.collapseItem(item);
|
|
}
|
|
if (action === 'expand') {
|
|
$this.expandItem(item);
|
|
}
|
|
if (action === 'toggle') {
|
|
$this.toggleItem(item);
|
|
}
|
|
});
|
|
|
|
var onStartEvent = function(e) {
|
|
|
|
var handle = UI.$(e.target),
|
|
link = handle.is('a[href]') ? handle:handle.parents('a[href]');
|
|
|
|
if (e.target === $this.element[0]) {
|
|
return;
|
|
}
|
|
|
|
if (handle.is($this.options._noDragClass) || handle.closest($this.options._noDragClass).length) {
|
|
return;
|
|
}
|
|
|
|
if (handle.is('[data-nestable-action]') || handle.closest('[data-nestable-action]').length) {
|
|
return;
|
|
}
|
|
|
|
if ($this.options.handleClass && !handle.hasClass($this.options.handleClass)) {
|
|
|
|
if ($this.options.handleClass) {
|
|
handle = handle.closest($this.options._handleClass);
|
|
}
|
|
}
|
|
|
|
if (!handle.length || $this.dragEl || (!hasTouch && e.button !== 0) || (hasTouch && e.touches.length !== 1)) {
|
|
return;
|
|
}
|
|
|
|
if (e.originalEvent && e.originalEvent.touches) {
|
|
e = evt.originalEvent.touches[0];
|
|
}
|
|
|
|
$this.delayMove = function(evt) {
|
|
|
|
link = false;
|
|
|
|
evt.preventDefault();
|
|
$this.dragStart(e);
|
|
$this.trigger('start.uk.nestable', [$this]);
|
|
|
|
$this.delayMove = false;
|
|
};
|
|
|
|
$this.delayMove.x = parseInt(e.pageX, 10);
|
|
$this.delayMove.y = parseInt(e.pageY, 10);
|
|
$this.delayMove.threshold = $this.options.idlethreshold;
|
|
|
|
if (link.length && eEnd == 'touchend') {
|
|
|
|
$this.one(eEnd, function(){
|
|
if (link && link.attr('href').trim()) {
|
|
location.href = link.attr('href');
|
|
}
|
|
});
|
|
}
|
|
|
|
e.preventDefault();
|
|
};
|
|
|
|
var onMoveEvent = function(e) {
|
|
|
|
if (e.originalEvent && e.originalEvent.touches) {
|
|
e = e.originalEvent.touches[0];
|
|
}
|
|
|
|
if ($this.delayMove && (Math.abs(e.pageX - $this.delayMove.x) > $this.delayMove.threshold || Math.abs(e.pageY - $this.delayMove.y) > $this.delayMove.threshold)) {
|
|
|
|
if (!window.getSelection().toString()) {
|
|
$this.delayMove(e);
|
|
} else {
|
|
$this.delayMove = false;
|
|
}
|
|
}
|
|
|
|
if ($this.dragEl) {
|
|
e.preventDefault();
|
|
$this.dragMove(e);
|
|
$this.trigger('move.uk.nestable', [$this]);
|
|
}
|
|
};
|
|
|
|
var onEndEvent = function(e) {
|
|
|
|
if ($this.dragEl) {
|
|
e.preventDefault();
|
|
$this.dragStop(hasTouch ? e.touches[0] : e);
|
|
}
|
|
|
|
draggingElement = false;
|
|
$this.delayMove = false;
|
|
};
|
|
|
|
if (hasTouch) {
|
|
this.element[0].addEventListener(eStart, onStartEvent, false);
|
|
window.addEventListener(eMove, onMoveEvent, false);
|
|
window.addEventListener(eEnd, onEndEvent, false);
|
|
window.addEventListener(eCancel, onEndEvent, false);
|
|
} else {
|
|
this.on(eStart, onStartEvent);
|
|
$win.on(eMove, onMoveEvent);
|
|
$win.on(eEnd, onEndEvent);
|
|
}
|
|
|
|
},
|
|
|
|
serialize: function() {
|
|
|
|
var data,
|
|
depth = 0,
|
|
list = this,
|
|
step = function(level, depth) {
|
|
|
|
var array = [ ], items = level.children(list.options._listItemClass);
|
|
|
|
items.each(function() {
|
|
|
|
var li = UI.$(this),
|
|
item = {}, attribute,
|
|
sub = li.children(list.options._listClass);
|
|
|
|
for (var i = 0, attr, val; i < li[0].attributes.length; i++) {
|
|
attribute = li[0].attributes[i];
|
|
if (attribute.name.indexOf('data-') === 0) {
|
|
attr = attribute.name.substr(5);
|
|
val = UI.Utils.str2json(attribute.value);
|
|
item[attr] = (val || attribute.value=='false' || attribute.value=='0') ? val:attribute.value;
|
|
}
|
|
}
|
|
|
|
if (sub.length) {
|
|
item.children = step(sub, depth + 1);
|
|
}
|
|
|
|
array.push(item);
|
|
|
|
});
|
|
return array;
|
|
};
|
|
|
|
data = step(list.element, depth);
|
|
|
|
return data;
|
|
},
|
|
|
|
list: function(options) {
|
|
|
|
var data = [],
|
|
list = this,
|
|
depth = 0,
|
|
step = function(level, depth, parent) {
|
|
|
|
var items = level.children(options._listItemClass);
|
|
|
|
items.each(function(index) {
|
|
var li = UI.$(this),
|
|
item = UI.$.extend({parent_id: (parent ? parent : null), depth: depth, order: index}, li.data()),
|
|
sub = li.children(options._listClass);
|
|
|
|
data.push(item);
|
|
|
|
if (sub.length) {
|
|
step(sub, depth + 1, li.data(options.idProperty || 'id'));
|
|
}
|
|
});
|
|
};
|
|
|
|
options = UI.$.extend({}, list.options, options);
|
|
|
|
step(list.element, depth);
|
|
|
|
return data;
|
|
},
|
|
|
|
reset: function() {
|
|
|
|
this.mouse = {
|
|
offsetX : 0,
|
|
offsetY : 0,
|
|
startX : 0,
|
|
startY : 0,
|
|
lastX : 0,
|
|
lastY : 0,
|
|
nowX : 0,
|
|
nowY : 0,
|
|
distX : 0,
|
|
distY : 0,
|
|
dirAx : 0,
|
|
dirX : 0,
|
|
dirY : 0,
|
|
lastDirX : 0,
|
|
lastDirY : 0,
|
|
distAxX : 0,
|
|
distAxY : 0
|
|
};
|
|
this.moving = false;
|
|
this.dragEl = null;
|
|
this.dragRootEl = null;
|
|
this.dragDepth = 0;
|
|
this.hasNewRoot = false;
|
|
this.pointEl = null;
|
|
|
|
for (var i=0; i<touchedlists.length; i++) {
|
|
this.checkEmptyList(touchedlists[i]);
|
|
}
|
|
|
|
touchedlists = [];
|
|
},
|
|
|
|
toggleItem: function(li) {
|
|
this[li.hasClass(this.options.collapsedClass) ? 'expandItem':'collapseItem'](li);
|
|
},
|
|
|
|
expandItem: function(li) {
|
|
li.removeClass(this.options.collapsedClass);
|
|
},
|
|
|
|
collapseItem: function(li) {
|
|
var lists = li.children(this.options._listClass);
|
|
if (lists.length) {
|
|
li.addClass(this.options.collapsedClass);
|
|
}
|
|
},
|
|
|
|
expandAll: function() {
|
|
var list = this;
|
|
this.find(list.options._listItemClass).each(function() {
|
|
list.expandItem(UI.$(this));
|
|
});
|
|
},
|
|
|
|
collapseAll: function() {
|
|
var list = this;
|
|
this.find(list.options._listItemClass).each(function() {
|
|
list.collapseItem(UI.$(this));
|
|
});
|
|
},
|
|
|
|
setParent: function(li) {
|
|
|
|
if (li.children(this.options._listClass).length) {
|
|
li.addClass('uk-parent');
|
|
}
|
|
},
|
|
|
|
unsetParent: function(li) {
|
|
li.removeClass('uk-parent '+this.options.collapsedClass);
|
|
li.children(this.options._listClass).remove();
|
|
},
|
|
|
|
dragStart: function(e) {
|
|
|
|
var mouse = this.mouse,
|
|
target = UI.$(e.target),
|
|
dragItem = target.closest(this.options._listItemClass),
|
|
offset = dragItem.offset();
|
|
|
|
this.placeEl = dragItem;
|
|
|
|
mouse.offsetX = e.pageX - offset.left;
|
|
mouse.offsetY = e.pageY - offset.top;
|
|
|
|
mouse.startX = mouse.lastX = offset.left;
|
|
mouse.startY = mouse.lastY = offset.top;
|
|
|
|
this.dragRootEl = this.element;
|
|
|
|
this.dragEl = UI.$('<ul></ul>').addClass(this.options.listClass + ' ' + this.options.dragClass).append(dragItem.clone());
|
|
this.dragEl.css('width', dragItem.width());
|
|
this.placeEl.addClass(this.options.placeholderClass);
|
|
|
|
draggingElement = this.dragEl;
|
|
|
|
this.tmpDragOnSiblings = [dragItem[0].previousSibling, dragItem[0].nextSibling];
|
|
|
|
UI.$body.append(this.dragEl);
|
|
|
|
this.dragEl.css({
|
|
left : offset.left,
|
|
top : offset.top
|
|
});
|
|
|
|
// total depth of dragging item
|
|
var i, depth, items = this.dragEl.find(this.options._listItemClass);
|
|
|
|
for (i = 0; i < items.length; i++) {
|
|
depth = UI.$(items[i]).parents(this.options._listClass+','+this.options._listBaseClass).length;
|
|
if (depth > this.dragDepth) {
|
|
this.dragDepth = depth;
|
|
}
|
|
}
|
|
|
|
html.addClass(this.options.movingClass);
|
|
},
|
|
|
|
dragStop: function(e) {
|
|
|
|
var el = UI.$(this.placeEl),
|
|
root = this.placeEl.parents(this.options._listBaseClass+':first');
|
|
|
|
this.placeEl.removeClass(this.options.placeholderClass);
|
|
this.dragEl.remove();
|
|
|
|
if (this.element[0] !== root[0]) {
|
|
|
|
root.trigger('change.uk.nestable',[root.data('nestable'), el, 'added']);
|
|
this.element.trigger('change.uk.nestable', [this, el, 'removed']);
|
|
|
|
} else {
|
|
this.element.trigger('change.uk.nestable',[this, el, "moved"]);
|
|
}
|
|
|
|
this.trigger('stop.uk.nestable', [this, el]);
|
|
|
|
this.reset();
|
|
|
|
html.removeClass(this.options.movingClass);
|
|
},
|
|
|
|
dragMove: function(e) {
|
|
var list, parent, prev, next, depth,
|
|
opt = this.options,
|
|
mouse = this.mouse,
|
|
maxDepth = this.dragRootEl ? this.dragRootEl.data('nestable').options.maxDepth : opt.maxDepth;
|
|
|
|
this.dragEl.css({
|
|
left : e.pageX - mouse.offsetX,
|
|
top : e.pageY - mouse.offsetY
|
|
});
|
|
|
|
// mouse position last events
|
|
mouse.lastX = mouse.nowX;
|
|
mouse.lastY = mouse.nowY;
|
|
// mouse position this events
|
|
mouse.nowX = e.pageX;
|
|
mouse.nowY = e.pageY;
|
|
// distance mouse moved between events
|
|
mouse.distX = mouse.nowX - mouse.lastX;
|
|
mouse.distY = mouse.nowY - mouse.lastY;
|
|
// direction mouse was moving
|
|
mouse.lastDirX = mouse.dirX;
|
|
mouse.lastDirY = mouse.dirY;
|
|
// direction mouse is now moving (on both axis)
|
|
mouse.dirX = mouse.distX === 0 ? 0 : mouse.distX > 0 ? 1 : -1;
|
|
mouse.dirY = mouse.distY === 0 ? 0 : mouse.distY > 0 ? 1 : -1;
|
|
// axis mouse is now moving on
|
|
var newAx = Math.abs(mouse.distX) > Math.abs(mouse.distY) ? 1 : 0;
|
|
|
|
// do nothing on first move
|
|
if (!mouse.moving) {
|
|
mouse.dirAx = newAx;
|
|
mouse.moving = true;
|
|
return;
|
|
}
|
|
|
|
// calc distance moved on this axis (and direction)
|
|
if (mouse.dirAx !== newAx) {
|
|
mouse.distAxX = 0;
|
|
mouse.distAxY = 0;
|
|
} else {
|
|
mouse.distAxX += Math.abs(mouse.distX);
|
|
if (mouse.dirX !== 0 && mouse.dirX !== mouse.lastDirX) {
|
|
mouse.distAxX = 0;
|
|
}
|
|
mouse.distAxY += Math.abs(mouse.distY);
|
|
if (mouse.dirY !== 0 && mouse.dirY !== mouse.lastDirY) {
|
|
mouse.distAxY = 0;
|
|
}
|
|
}
|
|
mouse.dirAx = newAx;
|
|
|
|
/**
|
|
* move horizontal
|
|
*/
|
|
if (mouse.dirAx && mouse.distAxX >= opt.threshold) {
|
|
// reset move distance on x-axis for new phase
|
|
mouse.distAxX = 0;
|
|
prev = this.placeEl.prev('li');
|
|
|
|
// increase horizontal level if previous sibling exists, is not collapsed, and does not have a 'no children' class
|
|
if (mouse.distX > 0 && prev.length && !prev.hasClass(opt.collapsedClass) && !prev.hasClass(opt.noChildrenClass)) {
|
|
|
|
// cannot increase level when item above is collapsed
|
|
list = prev.find(opt._listClass).last();
|
|
|
|
// check if depth limit has reached
|
|
depth = this.placeEl.parents(opt._listClass+','+opt._listBaseClass).length;
|
|
|
|
if (depth + this.dragDepth <= maxDepth) {
|
|
|
|
// create new sub-level if one doesn't exist
|
|
if (!list.length) {
|
|
list = UI.$('<ul/>').addClass(opt.listClass);
|
|
list.append(this.placeEl);
|
|
prev.append(list);
|
|
this.setParent(prev);
|
|
} else {
|
|
// else append to next level up
|
|
list = prev.children(opt._listClass).last();
|
|
list.append(this.placeEl);
|
|
}
|
|
}
|
|
}
|
|
|
|
// decrease horizontal level
|
|
if (mouse.distX < 0) {
|
|
|
|
// we cannot decrease the level if an item precedes the current one
|
|
next = this.placeEl.next(opt._listItemClass);
|
|
if (!next.length) {
|
|
|
|
// get parent ul of the list item
|
|
var parentUl = this.placeEl.closest([opt._listBaseClass, opt._listClass].join(','));
|
|
// try to get the li surrounding the ul
|
|
var surroundingLi = parentUl.closest(opt._listItemClass);
|
|
|
|
// if the ul is inside of a li (meaning it is nested)
|
|
if (surroundingLi.length) {
|
|
// we can decrease the horizontal level
|
|
surroundingLi.after(this.placeEl);
|
|
// if the previous parent ul is now empty
|
|
if (!parentUl.children().length) {
|
|
this.unsetParent(surroundingLi);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
var isEmpty = false;
|
|
|
|
// find list item under cursor
|
|
var pointX = e.pageX - (window.pageXOffset || document.scrollLeft || 0),
|
|
pointY = e.pageY - (window.pageYOffset || document.documentElement.scrollTop);
|
|
this.pointEl = UI.$(document.elementFromPoint(pointX, pointY));
|
|
|
|
if (opt.handleClass && this.pointEl.hasClass(opt.handleClass)) {
|
|
|
|
this.pointEl = this.pointEl.closest(opt._listItemClass);
|
|
|
|
} else {
|
|
|
|
var nestableitem = this.pointEl.closest(opt._listItemClass);
|
|
|
|
if (nestableitem.length) {
|
|
this.pointEl = nestableitem;
|
|
}
|
|
}
|
|
|
|
if (this.placeEl.find(this.pointEl).length) {
|
|
return;
|
|
}
|
|
|
|
if (this.pointEl.data('nestable') && !this.pointEl.children().length) {
|
|
isEmpty = true;
|
|
this.checkEmptyList(this.pointEl);
|
|
} else if (!this.pointEl.length || !this.pointEl.hasClass(opt.listItemClass)) {
|
|
return;
|
|
}
|
|
|
|
// find parent list of item under cursor
|
|
var pointElRoot = this.element,
|
|
tmpRoot = this.pointEl.closest(this.options._listBaseClass),
|
|
isNewRoot = pointElRoot[0] != tmpRoot[0];
|
|
|
|
/**
|
|
* move vertical
|
|
*/
|
|
if (!mouse.dirAx || isNewRoot || isEmpty) {
|
|
|
|
// check if groups match if dragging over new root
|
|
if (isNewRoot && opt.group !== tmpRoot.data('nestable-group')) {
|
|
return;
|
|
} else {
|
|
touchedlists.push(pointElRoot);
|
|
}
|
|
|
|
// check depth limit
|
|
depth = this.dragDepth - 1 + this.pointEl.parents(opt._listClass+','+opt._listBaseClass).length;
|
|
|
|
if (depth > maxDepth) {
|
|
return;
|
|
}
|
|
|
|
var before = e.pageY < (this.pointEl.offset().top + this.pointEl.height() / 2);
|
|
|
|
parent = this.placeEl.parent();
|
|
|
|
if (isEmpty) {
|
|
this.pointEl.append(this.placeEl);
|
|
} else if (before) {
|
|
this.pointEl.before(this.placeEl);
|
|
} else {
|
|
this.pointEl.after(this.placeEl);
|
|
}
|
|
|
|
if (!parent.children().length) {
|
|
if (!parent.data('nestable')) this.unsetParent(parent.parent());
|
|
}
|
|
|
|
this.checkEmptyList(this.dragRootEl);
|
|
this.checkEmptyList(pointElRoot);
|
|
|
|
// parent root list has changed
|
|
if (isNewRoot) {
|
|
this.dragRootEl = tmpRoot;
|
|
this.hasNewRoot = this.element[0] !== this.dragRootEl[0];
|
|
}
|
|
}
|
|
},
|
|
|
|
checkEmptyList: function(list) {
|
|
|
|
list = list ? UI.$(list) : this.element;
|
|
|
|
if (this.options.emptyClass) {
|
|
list[!list.children().length ? 'addClass':'removeClass'](this.options.emptyClass);
|
|
}
|
|
}
|
|
|
|
});
|
|
|
|
return UI.nestable;
|
|
});
|