"use strict"
/**
 * @class  elFinder toolbar button widget.
 * If command has variants - create menu
 *
 * @author Dmitry (dio) Levashov
 **/
$.fn.elfinderbutton = function(cmd) {
	return this.each(function() {
		
		var c        = 'class',
			fm       = cmd.fm,
			disabled = fm.res(c, 'disabled'),
			active   = fm.res(c, 'active'),
			hover    = fm.res(c, 'hover'),
			item     = 'elfinder-button-menu-item',
			selected = 'elfinder-button-menu-item-selected',
			menu,
			button   = $(this).addClass('ui-state-default elfinder-button')
				.attr('title', cmd.title)
				.append('<span class="elfinder-button-icon elfinder-button-icon-'+cmd.name+'"/>')
				.hover(function(e) { !button.is('.'+disabled) && button[e.type == 'mouseleave' ? 'removeClass' : 'addClass'](hover) /**button.toggleClass(hover);*/ })
				.click(function(e) { 
					if (!button.is('.'+disabled)) {
						if (menu && cmd.variants.length > 1) {
							// close other menus
							menu.is(':hidden') && cmd.fm.getUI().click();
							e.stopPropagation();
							menu.slideToggle(100);
						} else {
							cmd.exec();
						}
						
					}
				}),
			hideMenu = function() {
				menu.hide();
			};
			
		// if command has variants create menu
		if ($.isArray(cmd.variants)) {
			button.addClass('elfinder-menubutton');
			
			menu = $('<div class="ui-widget ui-widget-content elfinder-button-menu ui-corner-all"/>')
				.hide()
				.appendTo(button)
				.zIndex(12+button.zIndex())
				.delegate('.'+item, 'hover', function() { $(this).toggleClass(hover) })
				.delegate('.'+item, 'click', function(e) {
					e.preventDefault();
					e.stopPropagation();
					button.removeClass(hover);
					cmd.exec(cmd.fm.selected(), $(this).data('value'));
				});

			cmd.fm.bind('disable select', hideMenu).getUI().click(hideMenu);
			
			cmd.change(function() {
				menu.html('');
				$.each(cmd.variants, function(i, variant) {
					menu.append($('<div class="'+item+'">'+variant[1]+'</div>').data('value', variant[0]).addClass(variant[0] == cmd.value ? selected : ''));
				});
			});
		}	
			
		cmd.change(function() {
			if (cmd.disabled()) {
				button.removeClass(active+' '+hover).addClass(disabled);
			} else {
				button.removeClass(disabled);
				button[cmd.active() ? 'addClass' : 'removeClass'](active);
			}
		})
		.change();
	});
}
