Файл: js/sortable/jquery.sortable.js
Строк: 203
<?php
/*
* HTML5 Sortable jQuery Plugin
* https://github.com/voidberg/html5sortable
*
* Original code copyright 2012 Ali Farhadi.
* This version is mantained by Alexandru Badiu <andu@ctrlz.ro>
*
* Thanks to the following contributors: andyburke, bistoco, daemianmack, drskullster, flying-sheep, OscarGodson, Parikshit N. Samant, rodolfospalenza, ssafejava
*
* Released under the MIT license.
*/
'use strict';
(function ($) {
var dragging, placeholders = $();
$.fn.sortable = function (options) {
var method = String(options);
options = $.extend({
connectWith: false,
placeholder: null
}, options);
return this.each(function () {
if (method === 'reload') {
$(this).children(options.items).off('dragstart.h5s dragend.h5s selectstart.h5s dragover.h5s dragenter.h5s drop.h5s');
}
if (/^enable|disable|destroy$/.test(method)) {
var citems = $(this).children($(this).data('items')).attr('draggable', method === 'enable');
if (method === 'destroy') {
$(this).off('sortupdate');
citems.add(this).removeData('connectWith items')
.off('dragstart.h5s dragend.h5s selectstart.h5s dragover.h5s dragenter.h5s drop.h5s').off('sortupdate');
}
return;
}
var soptions = $(this).data('opts');
if (typeof soptions === 'undefined') {
$(this).data('opts', options);
}
else {
options = soptions;
}
var isHandle, index, items = $(this).children(options.items);
var startParent, newParent;
var placeholder = ( options.placeholder === null ) ? $('<' + (/^ul|ol$/i.test(this.tagName) ? 'li' : 'div') + ' class="sortable-placeholder">') : $(options.placeholder).addClass('sortable-placeholder');
items.find(options.handle).mousedown(function () {
isHandle = true;
}).mouseup(function () {
isHandle = false;
});
$(this).data('items', options.items);
placeholders = placeholders.add(placeholder);
if (options.connectWith) {
$(options.connectWith).add(this).data('connectWith', options.connectWith);
}
items.attr('draggable', 'true').on('dragstart.h5s',function (e) {
e.stopImmediatePropagation();
if (options.handle && !isHandle) {
return false;
}
isHandle = false;
var dt = e.originalEvent.dataTransfer;
dt.effectAllowed = 'move';
dt.setData('Text', 'dummy');
index = (dragging = $(this)).addClass('sortable-dragging').index();
startParent = $(this).parent();
}).on('dragend.h5s',function () {
if (!dragging) {
return;
}
dragging.removeClass('sortable-dragging').show();
placeholders.detach();
newParent = $(this).parent();
if (index !== dragging.index() || startParent !== newParent) {
dragging.parent().triggerHandler('sortupdate', {item: dragging, oldindex: index, startparent: startParent, endparent: newParent});
}
dragging = null;
}).not('a[href], img').on('selectstart.h5s',function () {
if (options.handle && !isHandle) {
return true;
}
if (this.dragDrop) {
this.dragDrop();
}
return false;
}).end().add([this, placeholder]).on('dragover.h5s dragenter.h5s drop.h5s', function (e) {
if (!items.is(dragging) && options.connectWith !== $(dragging).parent().data('connectWith')) {
return true;
}
if (e.type === 'drop') {
e.stopPropagation();
placeholders.filter(':visible').after(dragging);
dragging.trigger('dragend.h5s');
return false;
}
e.preventDefault();
e.originalEvent.dataTransfer.dropEffect = 'move';
if (items.is(this)) {
var draggingHeight = dragging.outerHeight(), thisHeight = $(this).outerHeight();
if (options.forcePlaceholderSize) {
placeholder.height(draggingHeight);
}
// Check if $(this) is bigger than the draggable. If it is, we have to define a dead zone to prevent flickering
if (thisHeight > draggingHeight) {
// Dead zone?
var deadZone = thisHeight - draggingHeight, offsetTop = $(this).offset().top;
if (placeholder.index() < $(this).index() && e.originalEvent.pageY < offsetTop + deadZone) {
return false;
}
else if (placeholder.index() > $(this).index() && e.originalEvent.pageY > offsetTop + thisHeight - deadZone) {
return false;
}
}
dragging.hide();
$(this)[placeholder.index() < $(this).index() ? 'after' : 'before'](placeholder);
placeholders.not(placeholder).detach();
} else if (!placeholders.is(this) && !$(this).children(options.items).length) {
placeholders.detach();
$(this).append(placeholder);
}
return false;
});
});
};
})($);
?>