﻿/*
*  Ajax Autocomplete for jQuery, version 1.0.7
*  (c) 2009 Tomas Kirda
*
*  Ajax Autocomplete for jQuery is freely distributable under the terms of an MIT-style license.
*  For details, see the web site: http://www.devbridge.com/projects/autocomplete/jquery/
*
*  Last Review: 07/27/2009
*/

(function ($) {

    $.fn.autocomplete = function (options) {
        return this.each(function () {
            return new Autocomplete(this, options);
        });
    };

    var reEscape = new RegExp('(\\' + ['/', '.', '*', '+', '?', '|', '(', ')', '[', ']', '{', '}', '\\'].join('|\\') + ')', 'g');

    var fnFormatResult = function (value, data, currentValue) {
        var pattern = '(' + currentValue.replace(reEscape, '\\$1') + ')';
        return value.replace(new RegExp(pattern, 'i'), '<strong>$1<\/strong>');
    };

    var Autocomplete = function (el, options) {
        this.el = $(el);
        this.el.attr('autocomplete', 'off');
        this.suggestions = [];
        this.urls = [];
        this.alttexts = [];
        this.data = [];
        this.selectedIndex = -1;
        this.currentValue = this.el.val();
        this.intervalId = 0;
        this.onChangeInterval = null;
        this.ignoreValueChange = false;
        this.serviceUrl = options.serviceUrl;
        this.options = {
            autoSubmit: false,
            minChars: 1,
            maxHeight: 300,
            deferRequestBy: 200,
            width: 0,
            highlight: true,
            params: {},
            fnFormatResult: fnFormatResult,
            delimiter: null,
            submitButtonName: null,
            submitAction: null,
            tooltipPretext: ""
        };
        if (options) { $.extend(this.options, options); }
        this.initialize();
    };

    Autocomplete.prototype = {

        killerFn: null,

        initialize: function () {

            var me, zindex;
            me = this;

            zindex = Math.max.apply(null, $.map($('body > *'), function (e, n) { var pos = $(e).css('position'); if (pos === 'absolute' || pos === 'relative') { return parseInt($(e).css('z-index'), 10) || 1; } }));

            this.killerFn = function (e) {
                if ($(e.target).parents('.autocomplete').size() === 0) {
                    me.killSuggestions();
                    me.disableKillerFn();
                }
            };

            var uid = new Date().getTime();
            var autocompleteElId = 'Autocomplete_' + uid;

            if (!this.options.width) { this.options.width = this.el.width(); }
            this.mainContainerId = 'AutocompleteContainter_' + uid;

            $('<div id="' + this.mainContainerId + '" style="position:absolute;z-index:' + zindex + '"><div class="autocomplete-w1"><div class="autocomplete" id="' + autocompleteElId + '" style="display:none; width:' + this.options.width + 'px;"></div></div></div>').appendTo('body');

            this.container = $('#' + autocompleteElId);
            this.fixPosition();
            if (window.opera) {
                this.el.keypress(function (e) { me.onKeyPress(e); });
            } else {
                this.el.keydown(function (e) { me.onKeyPress(e); });
            }
            this.el.keyup(function (e) { me.onKeyUp(e); });
            this.el.blur(function () { me.enableKillerFn(); });
            this.el.focus(function () { me.fixPosition(); });

            this.container.css({ maxHeight: this.options.maxHeight + 'px' });
        },

        fixPosition: function () {
            var offset = this.el.offset();
            var b_width = $('body').outerWidth();
            var w_width = $(window).width();
            var body_offset = $('body').offset();
            if (body_offset.left === 0 && w_width > b_width) {
                body_offset.left = (w_width - b_width) / 2;
            }
            $('#' + this.mainContainerId).css({ top: (offset.top + this.el.innerHeight() - body_offset.top) + 'px', left: (offset.left - body_offset.left) + 'px' });
        },

        enableKillerFn: function () {
            var me = this;
            $(document).bind('click', me.killerFn);
        },

        disableKillerFn: function () {
            var me = this;
            $(document).unbind('click', me.killerFn);
        },

        killSuggestions: function () {
            var me = this;
            this.stopKillSuggestions();
            this.intervalId = window.setInterval(function () { me.hide(); me.stopKillSuggestions(); }, 100);
        },

        stopKillSuggestions: function () {
            window.clearInterval(this.intervalId);
        },

        onKeyPress: function (e) {
            if (!this.enabled) { return; }
            switch (e.keyCode) {
                case 27: //Event.KEY_ESC:
                    this.el.val(this.currentValue);
                    this.hide();
                    break;
                case 9: //Event.KEY_TAB:
                case 13: //Event.KEY_RETURN:
                    if (this.selectedIndex === -1) {
                        this.hide();
                        return;
                    }
                    this.select(this.selectedIndex);
                    if (e.keyCode === 9/* Event.KEY_TAB */) { return; }
                    break;
                case 38: //Event.KEY_UP:
                    this.moveUp();
                    break;
                case 40: //Event.KEY_DOWN:
                    this.moveDown();
                    break;
                default:
                    return;
            }
            e.stopImmediatePropagation();
            e.preventDefault();
        },

        onKeyUp: function (e) {
            switch (e.keyCode) {
                case 38: //Event.KEY_UP:
                case 40: //Event.KEY_DOWN:
                    return;
            }
            clearInterval(this.onChangeInterval);
            if (this.currentValue !== this.el.val()) {
                if (this.options.deferRequestBy > 0) {
                    // Defer lookup in case when value changes very quickly:
                    var me = this;
                    this.onChangeInterval = setInterval(function () { me.onValueChange(); }, this.options.deferRequestBy);
                } else {
                    this.onValueChange();
                }
            }
        },

        onValueChange: function () {
            clearInterval(this.onChangeInterval);
            this.currentValue = this.el.val();
            var q = this.getQuery(this.currentValue);
            this.selectedIndex = -1;
            if (this.ignoreValueChange) {
                this.ignoreValueChange = false;
                return;
            }
            if (q === '' || q.length < this.options.minChars) {
                this.hide();
            } else {
                this.getSuggestions(q);
            }
        },

        getQuery: function (val) {
            var d, arr;
            d = this.options.delimiter;
            if (!d) { return $.trim(val); }
            arr = val.split(d);
            return $.trim(arr[arr.length - 1]);
        },

        getSuggestions: function (q) {
            var me = this;
            me.options.params.query = q;
            $.getJSON(this.serviceUrl, me.options.params, function (txt) { me.processResponse(txt); }, 'text');
        },

        hide: function () {
            this.enabled = false;
            this.selectedIndex = -1;
            this.container.hide();
        },

        suggest: function () {
            if (this.suggestions.length === 0) {
                this.hide();
                return;
            }

            var me, len, div, f, extradiv, account_id, package_id;
            me = this;
            len = this.suggestions.length;
            f = this.options.fnFormatResult;
            v = this.getQuery(this.currentValue);
            account_id = this.options.params.account_id;
            package_id = this.options.params.package_id;
            this.container.hide().empty();
            for (var i = 0; i < len; i++) {
                extradiv = this.urls[i] ? '<a href="' + this.urls[i] + '" onclick="return autocomplete_logclick(\'' + this.urls[i] + '\',\'' + account_id + '\',\'' + package_id + '\', \'' + this.suggestions[i] + '\');" title="' + this.alttexts[i] + '" style="float:right;margin-right:-5px;border:0 none;"><img src="http://autocomplete.searchimprove.com/ac/arr_right_16.gif" alt="' + this.alttexts[i] + '" border="0" /></a>' : '';
                var cur_alttext = !this.urls[i] && this.alttexts[i] ? this.alttexts[i].split('¤br¤').join('\n') : this.options.tooltipPretext + ' ' + this.suggestions[i];
                div = $((me.selectedIndex === i ? '<div style="cursor:hand;margin-bottom:1px;" class="selected"' : '<div style="cursor:hand;margin-bottom:1px;"') + ' title="' + cur_alttext + '">' + extradiv + f(this.suggestions[i], this.data[i], v) + '</div>');
                div.mouseover((function (xi) { return function () { me.activate(xi); }; })(i));
                div.click((function (xi) { return function () { me.select(xi); }; })(i));
                this.container.append(div);
            }
            this.enabled = true;
            this.container.show();
        },

        processResponse: function (text) {
            if (!$.isArray(text.data)) { text.data = []; }
            if (text.query === this.getQuery(this.currentValue)) {
                this.suggestions = text.suggestions;
                this.urls = text.urls;
                this.alttexts = text.alttexts;
                this.data = text.data;
                this.suggest();
            }
        },

        activate: function (index) {
            var divs = this.container.children();
            var activeItem;
            // Clear previous selection:
            if (this.selectedIndex !== -1 && divs.length > this.selectedIndex) {
                $(divs.get(this.selectedIndex)).attr('class', '');
            }
            this.selectedIndex = index;
            if (this.selectedIndex !== -1 && divs.length > this.selectedIndex) {
                activeItem = divs.get(this.selectedIndex);
                $(activeItem).attr('class', 'selected');
            }
            return activeItem;
        },

        deactivate: function (div, index) {
            div.className = '';
            if (this.selectedIndex === index) { this.selectedIndex = -1; }
        },

        select: function (i) {
            var selectedValue = this.suggestions[i];
            if (selectedValue) {
                this.el.val(selectedValue);
                if (this.options.autoSubmit) {
                    if (this.options.submitAction) {
                        this.options.submitAction(this.el)
                        return;
                    }
                    var f = this.el.parents('form');
                    if (f.length > 0) { f.get(0).submit(); }

                }
                this.ignoreValueChange = true;
                this.hide();
                this.onSelect(i);
            }
        },

        moveUp: function () {
            if (this.selectedIndex === -1) { return; }
            if (this.selectedIndex === 0) {
                this.container.children().get(0).className = '';
                this.selectedIndex = -1;
                this.el.val(this.currentValue);
                return;
            }
            this.adjustScroll(this.selectedIndex - 1);
        },

        moveDown: function () {
            if (this.selectedIndex === (this.suggestions.length - 1)) { return; }
            this.adjustScroll(this.selectedIndex + 1);
        },

        adjustScroll: function (i) {
            var activeItem, offsetTop, upperBound, lowerBound;
            activeItem = this.activate(i);
            offsetTop = activeItem.offsetTop;
            upperBound = this.container.scrollTop();
            lowerBound = upperBound + this.options.maxHeight - 25;
            if (offsetTop < upperBound) {
                this.container.scrollTop(offsetTop);
            } else if (offsetTop > lowerBound) {
                this.container.scrollTop(offsetTop - this.options.maxHeight + 25);
            }
        },

        onSelect: function (i) {
            var me, onSelect, getValue, s, d;
            me = this;
            onSelect = me.options.onSelect;
            getValue = function (value) {
                var del, currVal;
                del = me.options.delimiter;
                currVal = me.currentValue;
                if (!del) { return value; }
                var arr = currVal.split(del);
                if (arr.length === 1) { return value; }
                return currVal.substr(0, currVal.length - arr[arr.length - 1].length) + value;
            };
            s = me.suggestions[i];
            d = me.data[i];
            me.el.val(getValue(s));
            if ($.isFunction(onSelect)) { onSelect(s, d); }
        }

    };

})(jQuery);
function autocomplete_logclick(url, account_id, package_id, searchterm) {
    var randomNum = Math.floor(Math.random() * 100000);
    if (document.images) {
        img1 = new Image();
        img1.src = "http://autocomplete.searchimprove.com/autocomplete/log.aspx?url=" + escape(url) + "&account_id=" + escape(account_id) + "&package_id=" + escape(package_id) + "&searchterm=" + escape(searchterm) + "&rn=" + randomNum;
    }
    return true;
}