Файл: tyde/www/web/js/components/nestable.js
Строк: 589
<?php
/*! UIkit 2.24.3 | 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.UIkit) {
component = addon(UIkit);
}
if (typeof define == "function" && define.amd) {
define("uikit-nestable", ["uikit"], function(){
return component || addon(UIkit);
});
}
})(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',
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);
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) {
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 = $this.options.idlethreshold;
e.preventDefault();
};
var onMoveEvent = function(e) {
if (e.originalEvent && e.originalEvent.touches) {
e = e.originalEvent.touches[0];
}
if ($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; i < li[0].attributes.length; i++) {
attribute = li[0].attributes[i];
if (attribute.name.indexOf('data-') === 0) {
item[attribute.name.substr(5)] = UI.Utils.str2json(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 and is not collapsed
if (mouse.distX > 0 && prev.length && !prev.hasClass(opt.collapsedClass)) {
// 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;
});
?>