/* @authorcode  codestrings
 * @copyright   Leyun internet Technology(Shanghai)Co.,Ltd
 * @license     http://www.dzzoffice.com/licenses/license.txt
 * @package     DzzOffice
 * @link        http://www.dzzoffice.com
 * @author      zyx(zyx@dzz.cc)
 */

(function($) {

	$.fn.popbox = function(options) {

		var box = $('.popbox');
		if(!box.length) {
			box = $(' <div class="popbox clearfix">' +
				'  <div class="popbox-pointer">' +
				'		<div class="gb_I"></div>' +
				'		<div class="gb_H"></div>' +
				'  </div>' +
				'  <div class="popbox-container">' +
				'	   <div class="loadding"></div>' +
				'  </div>' +
				'</div>'
			).appendTo('body');
		}
		var me = $(this);

		var dataurl = [];
		var current = 0;
		var open = function(event) {

			if(event) event.preventDefault();
			if(me.data('href')) {
				getdata(me.data('data-href'));
			}
			$('.js-popbox').removeClass('openpop');

			show();
			if(me.data('closest')) {
				me.closest(me.data('closest')).find('.dropdown-toggle').dropdown('toggle');
			}
			return false;
		}
		var show = function() {
			var clientWidth = document.documentElement.clientWidth;
			var clientHeight = document.documentElement.clientHeight;
			if(me.data('closest')) var target = me.closest(me.data('closest'));
			else var target = me;

			me.addClass('openpop');
			var p = target.offset();
			var bw = box.outerWidth(true);
			var bh = box.outerHeight(true);
			var w = target.outerWidth(true);
			var h = target.outerHeight(true);
			var left = 0,
				top = 0;
			box.attr('class', 'popbox popbox-' + me.data('placement'));
			switch(me.data('placement')) {
				case 'cover':
					left = p.left;
					top = p.top;
					break;
				case 'right':
					left = p.left + w + 10;
					top = p.top + h / 2 - bh / 2;
					break;
				case 'top':
					top = p.top - bh - 10;
					left = p.left + w / 2 - bw / 2;
					break;
				case 'bottom':
					top = p.top + h + 10;
					left = p.left + w / 2 - bw / 2;
					break;
				case 'left':
					left = p.left - bw - 10;
					top = p.top + h / 2 - bh / 2;
					break;
				default:
					left = p.left + w + 10;
					top = p.top + h / 2 - bh / 2;
					break;
			}

			//判断是否超出屏幕
			if(me.data('auto-adapt')) {
				switch(me.data('placement')) {
					case 'right':
					case 'left':
						if(left + bw > clientWidth) left = clientWidth - bw - 10;
						if(left < 0) left = 10;
						if(top + bh > (clientHeight + jQuery(window).scrollTop())) top = clientHeight + jQuery(window).scrollTop() - bh - 10;
						if(top < 0) top = 10;
						break;
					case 'top':
					case 'bottom':
						if(top + bh > (clientHeight + jQuery(window).scrollTop()) && (me.data('placement') != 'bottom' && me.data('placement') != 'cover')) top = clientHeight - bh - 10 + jQuery(window).scrollTop();
						if(top < 0) top = 10;
						if(left + bw > clientWidth) left = clientWidth - bw - 10;
						if(left < 0) left = 10;

						break;
					case 'cover':
						if(left + bw > clientWidth) left = clientWidth - bw - 10;
						if(left < 0) left = 10;
						break;

				}

			}

			box.css({
				'display': 'block',
				'left': left,
				'top': top /*,'min-width':w*/
			});
			switch(me.data('placement')) {
				case 'right':
				case 'left':
					var top = p.top - top + h / 2 - 10;
					if(top + 25 > bh) top = bh - 25;
					else if(top < 5) top = 5;
					box.find('.gb_I,.gb_H').attr('style', 'top:' + (top) + 'px');
					break;
				case 'top':
				case 'bottom':
					var left = p.left - left + w / 2 - 10;
					if(left + 25 > bw) left = bw - 25;
					else if(left < 5) left = 5;
					box.find('.gb_I,.gb_H').attr('style', 'left:' + left + 'px');
					break;
			}
			$(document).off('click.popbox').on('click.popbox',function(event){
				if(　!$(event.target).closest('.popbox,.ui-icon,.dzzdate,.ui-corner-all', '#jquery-color-picker').length) {
					close();
					$('.openpop').removeClass('openpop');
				}
			});
		}
		var getdata = function(url) {
			if(!url) url = me.data('href');
			var s=(url.indexOf('?') != -1) ? '&' :'?';
			url+=s+'t='+new Date().getTime();
			current = dataurl.push(url);
			$.get(url, function(html) {
				box.find('.popbox-container').html(html);
				box.find('.js-popbox').on('click', function() {
					getdata($(this).data('href'));
					return false;
				});
				box.find('.js-popbox-prev').on('click', function() {
					goto_prev()
					return false;
				});
				box.find('.close,.cancel').on('click', function(event) {
					event.preventDefault();
					close();
				});
				show();
			});
		}
		var goto_prev = function() {
			if(current > 1) {
				current -= 1;
			} else {
				current = 0;
			}
			url = dataurl[current - 1];
			dataurl.splice(current - 1, dataurl.length - current + 1);
			getdata(url);
		}
		var close = function() {
			current = 0;
			dataurl = [];
			box.data('prevel', null);
			box.fadeOut("fast", function() {
				box.find('.popbox-container').html('<div class="loadding"></div>');
			});
			me.removeClass('openpop');
			$(document).off('click.popbox');
		}
		if(options == 'update') {
			window.setTimeout(function() {
				show();
			});
		} else if(options == 'open') {
			window.setTimeout(function() {
				open();
			});
		} else if(options == 'close') {
			close();
		} else if(options == 'getdata') {
			getdata();
		} else {
			$(this).off('click.popbox').on('click.popbox', open);
		}
	}
})(jQuery);