// tipsy, facebook style tooltips for jquery
// version 1.0.0a
// (c) 2008-2010 jason frame [jason@onehackoranother.com]
// released under the MIT license

(function($) {
    
    function maybeCall(thing, ctx) {
        return (typeof thing == 'function') ? (thing.call(ctx)) : thing;
    };
    
    function Tipsy(element, options) {
        this.$element = $(element);
        this.options = options;
        this.enabled = true;
        this.fixTitle();
    };
    
    Tipsy.prototype = {
        show: function() {
            var title = this.getTitle();
            if (title && this.enabled) {
                var $tip = this.tip();
                
                $tip.find('.tipsy-inner')[this.options.html ? 'html' : 'text'](title);
                $tip[0].className = 'tipsy'; // reset classname in case of dynamic gravity
                $tip.remove().css({top: 0, left: 0, visibility: 'hidden', display: 'block'}).prependTo(document.body);
                
                var pos = $.extend({}, this.$element.offset(), {
                    width: this.$element[0].offsetWidth,
                    height: this.$element[0].offsetHeight
                });
                
                var actualWidth = $tip[0].offsetWidth,
                    actualHeight = $tip[0].offsetHeight,
                    gravity = maybeCall(this.options.gravity, this.$element[0]);
                
                var tp;
                switch (gravity.charAt(0)) {
                    case 'n':
                        tp = {top: pos.top + pos.height + this.options.offset, left: pos.left + pos.width / 2 - actualWidth / 2};
                        break;
                    case 's':
                        tp = {top: pos.top - actualHeight - this.options.offset, left: pos.left + pos.width / 2 - actualWidth / 2};
                        break;
                    case 'e':
                        tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth - this.options.offset};
                        break;
                    case 'w':
                        tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width + this.options.offset};
                        break;
                }
                
                if (gravity.length == 2) {
                    if (gravity.charAt(1) == 'w') {
                        tp.left = pos.left + pos.width / 2 - 15;
                    } else {
                        tp.left = pos.left + pos.width / 2 - actualWidth + 15;
                    }
                }
                
                $tip.css(tp).addClass('tipsy-' + gravity);
                $tip.find('.tipsy-arrow')[0].className = 'tipsy-arrow tipsy-arrow-' + gravity.charAt(0);
                if (this.options.className) {
                    $tip.addClass(maybeCall(this.options.className, this.$element[0]));
                }
                
                if (this.options.fade) {
                    $tip.stop().css({opacity: 0, display: 'block', visibility: 'visible'}).animate({opacity: this.options.opacity});
                } else {
                    $tip.css({visibility: 'visible', opacity: this.options.opacity});
                }
            }
        },
        
        hide: function() {
            if (this.options.fade) {
                this.tip().stop().fadeOut(function() { $(this).remove(); });
            } else {
                this.tip().remove();
            }
        },
        
        fixTitle: function() {
            var $e = this.$element;
            if ($e.attr('title') || typeof($e.attr('original-title')) != 'string') {
                $e.attr('original-title', $e.attr('title') || '').removeAttr('title');
            }
        },
        
        getTitle: function() {
            var title, $e = this.$element, o = this.options;
            this.fixTitle();
            var title, o = this.options;
            if (typeof o.title == 'string') {
                title = $e.attr(o.title == 'title' ? 'original-title' : o.title);
            } else if (typeof o.title == 'function') {
                title = o.title.call($e[0]);
            }
            title = ('' + title).replace(/(^\s*|\s*$)/, "");
            return title || o.fallback;
        },
        
        tip: function() {
            if (!this.$tip) {
                this.$tip = $('<div class="tipsy"></div>').html('<div class="tipsy-arrow"></div><div class="tipsy-inner"></div>');
            }
            return this.$tip;
        },
        
        validate: function() {
            if (!this.$element[0].parentNode) {
                this.hide();
                this.$element = null;
                this.options = null;
            }
        },
        
        enable: function() { this.enabled = true; },
        disable: function() { this.enabled = false; },
        toggleEnabled: function() { this.enabled = !this.enabled; }
    };
    
    $.fn.tipsy = function(options) {
        
        if (options === true) {
            return this.data('tipsy');
        } else if (typeof options == 'string') {
            var tipsy = this.data('tipsy');
            if (tipsy) tipsy[options]();
            return this;
        }
        
        options = $.extend({}, $.fn.tipsy.defaults, options);
        
        function get(ele) {
            var tipsy = $.data(ele, 'tipsy');
            if (!tipsy) {
                tipsy = new Tipsy(ele, $.fn.tipsy.elementOptions(ele, options));
                $.data(ele, 'tipsy', tipsy);
            }
            return tipsy;
        }
        
        function enter() {
            var tipsy = get(this);
            tipsy.hoverState = 'in';
            if (options.delayIn == 0) {
                tipsy.show();
            } else {
                tipsy.fixTitle();
                setTimeout(function() { if (tipsy.hoverState == 'in') tipsy.show(); }, options.delayIn);
            }
        };
        
        function leave() {
            var tipsy = get(this);
            tipsy.hoverState = 'out';
            if (options.delayOut == 0) {
                tipsy.hide();
            } else {
                setTimeout(function() { if (tipsy.hoverState == 'out') tipsy.hide(); }, options.delayOut);
            }
        };
        
        if (!options.live) this.each(function() { get(this); });
        
        if (options.trigger != 'manual') {
            var binder   = options.live ? 'on' : 'bind',
                eventIn  = options.trigger == 'hover' ? 'mouseenter' : 'focus',
                eventOut = options.trigger == 'hover' ? 'mouseleave' : 'blur';
            this[binder](eventIn, enter)[binder](eventOut, leave);
        }
        
        return this;
        
    };
    
    $.fn.tipsy.defaults = {
        className: null,
        delayIn: 0,
        delayOut: 0,
        fade: false,
        fallback: '',
        gravity: 'n',
        html: false,
        live: false,
        offset: 0,
        opacity: 0.8,
        title: 'title',
        trigger: 'hover'
    };
    
    // Overwrite this method to provide options on a per-element basis.
    // For example, you could store the gravity in a 'tipsy-gravity' attribute:
    // return $.extend({}, options, {gravity: $(ele).attr('tipsy-gravity') || 'n' });
    // (remember - do not modify 'options' in place!)
    $.fn.tipsy.elementOptions = function(ele, options) {
        return $.metadata ? $.extend({}, options, $(ele).metadata()) : options;
    };
    
    $.fn.tipsy.autoNS = function() {
        return $(this).offset().top > ($(document).scrollTop() + $(window).height() / 2) ? 's' : 'n';
    };
    
    $.fn.tipsy.autoWE = function() {
        return $(this).offset().left > ($(document).scrollLeft() + $(window).width() / 2) ? 'e' : 'w';
    };
    
    /**
     * yields a closure of the supplied parameters, producing a function that takes
     * no arguments and is suitable for use as an autogravity function like so:
     *
     * @param margin (int) - distance from the viewable region edge that an
     *        element should be before setting its tooltip's gravity to be away
     *        from that edge.
     * @param prefer (string, e.g. 'n', 'sw', 'w') - the direction to prefer
     *        if there are no viewable region edges effecting the tooltip's
     *        gravity. It will try to vary from this minimally, for example,
     *        if 'sw' is preferred and an element is near the right viewable 
     *        region edge, but not the top edge, it will set the gravity for
     *        that element's tooltip to be 'se', preserving the southern
     *        component.
     */
     $.fn.tipsy.autoBounds = function(margin, prefer) {
		return function() {
			var dir = {ns: prefer[0], ew: (prefer.length > 1 ? prefer[1] : false)},
			    boundTop = $(document).scrollTop() + margin,
			    boundLeft = $(document).scrollLeft() + margin,
			    $this = $(this);

			if ($this.offset().top < boundTop) dir.ns = 'n';
			if ($this.offset().left < boundLeft) dir.ew = 'w';
			if ($(window).width() + $(document).scrollLeft() - $this.offset().left < margin) dir.ew = 'e';
			if ($(window).height() + $(document).scrollTop() - $this.offset().top < margin) dir.ns = 's';

			return dir.ns + (dir.ew ? dir.ew : '');
		}
	};
    
})(jQuery);



(function( $ ) {
    $.widget( "ui.combobox", {
        _create: function() {
            var elwidth = this.element.width();
            var elheight = this.element.height();
            var input,
                self = this,
                select = this.element,
                internal = false,
                selected = select.children( ":selected" ),
                value = selected.val() ? selected.text() : "",
                wrapper = this.wrapper = $( "<span>" )
                    .addClass( "ui-combobox" )
                    .insertAfter( select );
            
            input = $( "<input>" ).css( { "width": (select.is(':visible') ? (elwidth > 15 ? elwidth - 15 : 1) : 350), "height": (elheight > 0 ? elheight : 16) });
            select.hide();
            input.appendTo( wrapper )
                .val( value )
                .addClass( "ui-state-default ui-combobox-input" )
                .autocomplete({
                    delay: 0,
                    minLength: 0,
                    source: function( request, response ) {
                        var matcher = new RegExp( $.ui.autocomplete.escapeRegex(request.term), "i" );
                        response( select.children( "option" ).map(function() {
                            var text = $( this ).text();
                            //if ( this.value && ( !request.term || matcher.test(text) ) )
                            if ( (!request.term || matcher.test(text)) && $(this).css('display') != 'none' )
                                return {
                                    label: (text == "" ? "&nbsp;" : text.replace(
                                        new RegExp(
                                            "(?![^&;]+;)(?!<[^<>]*)(" +
                                            $.ui.autocomplete.escapeRegex(request.term) +
                                            ")(?![^<>]*>)(?![^&;]+;)", "gi"
                                        ), "<strong>$1</strong>" )),
                                    'value': (text ? text : ''),
                                    'class': (select.hasClass('flags') ? 'country-' + ($(this).val() ? $(this).val().toUpperCase() : '') : $(this).attr('class')),
                                    option: this
                                };
                        }) );
                    },
                    select: function( event, ui ) {
                        ui.item.option.selected = true;
                        self._trigger( "selected", event, {
                            item: ui.item.option
                        });
                        if((select.onchange || false) && typeof select.onchange == 'function') {
                            select.onchange( { target: select } );
                        } else if($(select).attr('onchange')) {
                            eval($(select).attr('onchange'));
                        } else {
                            if(!ui.item.internal) {
                                internal = true;
                                $(select).change();
                            }
                        }
                        if (jQuery(".panel #Filter").length > 0) {
                            jQuery(".panel #Filter").trigger('click');
                        }
                    },
                    change: function( event, ui ) {
                        if ( !ui.item ) {
                            var matcher = new RegExp( "" + $.ui.autocomplete.escapeRegex( $(this).val() ) + "", "i" ),
                                matchtext = $(this).val();
                                valid = false;
                            select.children( "option" ).each(function() {
                                if( (($(this).text() == "" && matchtext == "") || $( this ).text().match( matcher )) && $(this).css('display') != 'none' ) {
                                    select.val($(this).val());
                                    this.selected = valid = true;
                                    return false;
                                }
                            });
                            if ( !valid ) {
                                // remove invalid value, as it didn't match anything
                                $( this ).val( "" );
                                select.val( "" );
                                input.data( "autocomplete" ).term = "";
                                return false;
                            }
                        }
                    }
                })
                .keypress(function(event) {
                    if(select.attr('disabled')) {
						event.preventDefault();
						return false;
					}
                    if(event.keyCode == 13) {
                        event.preventDefault();
                        var matcher = new RegExp( "" + $.ui.autocomplete.escapeRegex( $(this).val() ) + "", "i" ),
                            matchtext = $(this).val();
                            valid = false,
                            selected = false;
                        select.children( "option" ).each(function() {
                            if( (($(this).val() == "" && matchtext == "") || $( this ).text().match( matcher )) && $(this).css('display') != 'none' ) {
                                valid = true;
                                selected = $(this);
                                return false;
                            }
                        });
                        if(!valid) return false;
                        
                        $(this).autocomplete('option','select').call($(this), event, { item: { option: selected.get(0), internal: true } });
                    }
                })
                .addClass( "ui-widget ui-widget-content ui-corner-left" )
                .click(function() {
                    if(select.attr('disabled')) {
						event.preventDefault();
						return false;
					}
                    // close if already visible
                    if ( input.autocomplete( "widget" ).is( ":visible" ) ) {
                        //input.autocomplete( "close" );
                        return;
                    }

                    // pass empty string as value to search for, displaying all results
                    input.autocomplete( "search", "" );
                    input.focus();
                });
            if(select.hasClass('flags')) input.addClass('flags');

            input.data( "autocomplete" )._renderItem = function( ul, item ) {
                var el = $( "<li></li>" )
                    .data( "item.autocomplete", item )
                    .append( "<a>" + item.label + "</a>" )
                    .appendTo( ul );
                if(item && item['class'] && el) el.addClass(item['class']);
                return el;
            };
            select.change(function(e) {
                if(internal == true) {
                    internal = false;
                    return;
                }
                var matchtext = $(this).val().toLowerCase();
                    valid = false,
                    selected = false,
                    selected_val = "";
                select.children( "option" ).each(function() {
                    if( (($(this).val() == "" && matchtext == "") || $( this ).val().toLowerCase() == matchtext) && $(this).css('display') != 'none' ) {
                        valid = true;
                        selected = $(this);
                        selected_val = $(this).text();
                        return false;
                    }
                });
                if(!valid) return false;
                
                input.val(selected_val).autocomplete('option','select').call(input, (e ? e : {target: select}), { item: { option: selected.get(0), internal: true } });
            });

            $( "<a>" )
                .attr( "tabIndex", -1 )
                .attr( "title", "Show All Items" )
                .appendTo( wrapper )
                .button({
                    icons: {
                        primary: "ui-icon-triangle-1-s"
                    },
                    text: false
                })
                .removeClass( "ui-corner-all" )
                .addClass( "ui-corner-right ui-combobox-toggle" )
                .css( { "width": 15, "height": (elheight > 0 ? elheight : 16) })
                .click(function() {
                    if(select.attr('disabled')) {
						event.preventDefault();
						return false;
					}
                    // close if already visible
                    if ( input.autocomplete( "widget" ).is( ":visible" ) ) {
                        input.autocomplete( "close" );
                        return;
                    }

                    // work around a bug (likely same cause as #5265)
                    $( this ).blur();

                    // pass empty string as value to search for, displaying all results
                    input.autocomplete( "search", "" );
                    input.focus();
                });
        },

        destroy: function() {
            this.wrapper.remove();
            this.element.show();
            $.Widget.prototype.destroy.call( this );
        }
    });
})( jQuery );
