// {{{ json eval parse
if (!this.JSON) {
    JSON = {};
}
(function () {

    function f(n) {
        // Format integers to have at least two digits.
        return n < 10 ? '0' + n : n;
    }

    if (typeof Date.prototype.toJSON !== 'function') {

        Date.prototype.toJSON = function (key) {

            return this.getUTCFullYear()   + '-' +
                 f(this.getUTCMonth() + 1) + '-' +
                 f(this.getUTCDate())      + 'T' +
                 f(this.getUTCHours())     + ':' +
                 f(this.getUTCMinutes())   + ':' +
                 f(this.getUTCSeconds())   + 'Z';
        };

        String.prototype.toJSON =
        Number.prototype.toJSON =
        Boolean.prototype.toJSON = function (key) {
            return this.valueOf();
        };
    }

    var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
        escapeable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
        gap,
        indent,
        meta = {    // table of character substitutions
            '\b': '\\b',
            '\t': '\\t',
            '\n': '\\n',
            '\f': '\\f',
            '\r': '\\r',
            '"' : '\\"',
            '\\': '\\\\'
        },
        rep;


    function quote(string) {

// If the string contains no control characters, no quote characters, and no
// backslash characters, then we can safely slap some quotes around it.
// Otherwise we must also replace the offending characters with safe escape
// sequences.

        escapeable.lastIndex = 0;
        return escapeable.test(string) ?
            '"' + string.replace(escapeable, function (a) {
                var c = meta[a];
                if (typeof c === 'string') {
                    return c;
                }
                return '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
            }) + '"' :
            '"' + string + '"';
    }


    function str(key, holder) {

// Produce a string from holder[key].

        var i,          // The loop counter.
            k,          // The member key.
            v,          // The member value.
            length,
            mind = gap,
            partial,
            value = holder[key];

// If the value has a toJSON method, call it to obtain a replacement value.

        if (value && typeof value === 'object' &&
                typeof value.toJSON === 'function') {
            value = value.toJSON(key);
        }

// If we were called with a replacer function, then call the replacer to
// obtain a replacement value.

        if (typeof rep === 'function') {
            value = rep.call(holder, key, value);
        }

// What happens next depends on the value's type.

        switch (typeof value) {
        case 'string':
            return quote(value);

        case 'number':

// JSON numbers must be finite. Encode non-finite numbers as null.

            return isFinite(value) ? String(value) : 'null';

        case 'boolean':
        case 'null':

// If the value is a boolean or null, convert it to a string. Note:
// typeof null does not produce 'null'. The case is included here in
// the remote chance that this gets fixed someday.

            return String(value);

// If the type is 'object', we might be dealing with an object or an array or
// null.

        case 'object':

// Due to a specification blunder in ECMAScript, typeof null is 'object',
// so watch out for that case.

            if (!value) {
                return 'null';
            }

// Make an array to hold the partial results of stringifying this object value.

            gap += indent;
            partial = [];

// If the object has a dontEnum length property, we'll treat it as an array.

            if (typeof value.length === 'number' &&
                    !value.propertyIsEnumerable('length')) {

// The object is an array. Stringify every element. Use null as a placeholder
// for non-JSON values.

                length = value.length;
                for (i = 0; i < length; i += 1) {
                    partial[i] = str(i, value) || 'null';
                }

// Join all of the elements together, separated with commas, and wrap them in
// brackets.

                v = partial.length === 0 ? '[]' :
                    gap ? '[\n' + gap +
                            partial.join(',\n' + gap) + '\n' +
                                mind + ']' :
                          '[' + partial.join(',') + ']';
                gap = mind;
                return v;
            }

// If the replacer is an array, use it to select the members to be stringified.

            if (rep && typeof rep === 'object') {
                length = rep.length;
                for (i = 0; i < length; i += 1) {
                    k = rep[i];
                    if (typeof k === 'string') {
                        v = str(k, value);
                        if (v) {
                            partial.push(quote(k) + (gap ? ': ' : ':') + v);
                        }
                    }
                }
            } else {

// Otherwise, iterate through all of the keys in the object.

                for (k in value) {
                    if (Object.hasOwnProperty.call(value, k)) {
                        v = str(k, value);
                        if (v) {
                            partial.push(quote(k) + (gap ? ': ' : ':') + v);
                        }
                    }
                }
            }

// Join all of the member texts together, separated with commas,
// and wrap them in braces.

            v = partial.length === 0 ? '{}' :
                gap ? '{\n' + gap + partial.join(',\n' + gap) + '\n' +
                        mind + '}' : '{' + partial.join(',') + '}';
            gap = mind;
            return v;
        }
    }

// If the JSON object does not yet have a stringify method, give it one.

    if (typeof JSON.stringify !== 'function') {
        JSON.stringify = function (value, replacer, space) {

// The stringify method takes a value and an optional replacer, and an optional
// space parameter, and returns a JSON text. The replacer can be a function
// that can replace values, or an array of strings that will select the keys.
// A default replacer method can be provided. Use of the space parameter can
// produce text that is more easily readable.

            var i;
            gap = '';
            indent = '';

// If the space parameter is a number, make an indent string containing that
// many spaces.

            if (typeof space === 'number') {
                for (i = 0; i < space; i += 1) {
                    indent += ' ';
                }

// If the space parameter is a string, it will be used as the indent string.

            } else if (typeof space === 'string') {
                indent = space;
            }

// If there is a replacer, it must be a function or an array.
// Otherwise, throw an error.

            rep = replacer;
            if (replacer && typeof replacer !== 'function' &&
                    (typeof replacer !== 'object' ||
                     typeof replacer.length !== 'number')) {
                throw new Error('JSON.stringify');
            }

// Make a fake root object containing our value under the key of ''.
// Return the result of stringifying the value.

            return str('', {'': value});
        };
    }


// If the JSON object does not yet have a parse method, give it one.

    if (typeof JSON.parse !== 'function') {
        JSON.parse = function (text, reviver) {

// The parse method takes a text and an optional reviver function, and returns
// a JavaScript value if the text is a valid JSON text.

            var j;

            function walk(holder, key) {

// The walk method is used to recursively walk the resulting structure so
// that modifications can be made.

                var k, v, value = holder[key];
                if (value && typeof value === 'object') {
                    for (k in value) {
                        if (Object.hasOwnProperty.call(value, k)) {
                            v = walk(value, k);
                            if (v !== undefined) {
                                value[k] = v;
                            } else {
                                delete value[k];
                            }
                        }
                    }
                }
                return reviver.call(holder, key, value);
            }


// Parsing happens in four stages. In the first stage, we replace certain
// Unicode characters with escape sequences. JavaScript handles many characters
// incorrectly, either silently deleting them, or treating them as line endings.

            cx.lastIndex = 0;
            if (cx.test(text)) {
                text = text.replace(cx, function (a) {
                    return '\\u' +
                        ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
                });
            }

// In the second stage, we run the text against regular expressions that look
// for non-JSON patterns. We are especially concerned with '()' and 'new'
// because they can cause invocation, and '=' because it can cause mutation.
// But just to be safe, we want to reject all unexpected forms.

// We split the second stage into 4 regexp operations in order to work around
// crippling inefficiencies in IE's and Safari's regexp engines. First we
// replace the JSON backslash pairs with '@' (a non-JSON character). Second, we
// replace all simple value tokens with ']' characters. Third, we delete all
// open brackets that follow a colon or comma or that begin the text. Finally,
// we look to see that the remaining characters are only whitespace or ']' or
// ',' or ':' or '{' or '}'. If that is so, then the text is safe for eval.

            if (/^[\],:{}\s]*$/.
test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@').
replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']').
replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) {

// In the third stage we use the eval function to compile the text into a
// JavaScript structure. The '{' operator is subject to a syntactic ambiguity
// in JavaScript: it can begin a block or an object literal. We wrap the text
// in parens to eliminate the ambiguity.

                j = eval('(' + text + ')');

// In the optional fourth stage, we recursively walk the new structure, passing
// each name/value pair to a reviver function for possible transformation.

                return typeof reviver === 'function' ?
                    walk({'': j}, '') : j;
            }

// If the text is not JSON parseable, then a SyntaxError is thrown.

            throw new SyntaxError('JSON.parse');
        };
    }
})();
// }}}

var module = new function() {
    this.wowPro = function(moduleEl) {
        var formEl = $('form', moduleEl);
        var typeEl = $('tbody div span #type', formEl);
        var titleEl = $('tbody div span #title', formEl);
        var userId = $('input[@name=user]', formEl)[0].value;
        var selectChange = function(e) {
            var target = e.target;
            $.ajax({
                url: 'service/index.php',
                data: 'method=' + target.value + '&user='+ userId  +'&rd=' +  Date.parse(new Date()),
                error: function(xhr) {
                    alert('發生錯誤');
                },
                success: function(oResponse) {
                    if ($('div.titlename #titlename')) {
                        $('div.titlename', formEl).empty();
                    }
                    titleEl.html('<option>請選擇</option><option id="newtree">[建立新主題樹...]</option>');
                    var oData = JSON.parse(oResponse);
                    for (var i=0, j=oData.length; i<j; i++) {
                        var newOptionEl = $('<option></option>');
                        newOptionEl.attr('value', oData[i].id);
                        newOptionEl.html(oData[i].title);
                        titleEl.append(newOptionEl);
                        newOptionEl = null;
                    }
                }
            });
        };
        function checkurl() {
            var result;
            var str = $('input[@name=url]', formEl)[0].value;
            var filter = new RegExp;
            filter.compile("^[A-Za-z]+://[A-Za-z0-9-]+\.[A-Za-z0-9]+");
            if (filter.test(str)) {
                result = true;
            }   else {
                result = false
            }
            return result;
        }
        var formSubmit = function(e) {
            e.preventDefault();
            var sArticle = $('select[@name=article_id]', formEl)[0].value;
            var sTitle = $('input[@name=title]', formEl)[0].value;
            var sUrl = $('input[@name=url]', formEl)[0].value;
            var sContent = $('textarea[@name=content]', formEl)[0].value;
            if ($('select[@name=article_id] option', formEl)[0].selected) {
                alert('請選擇你要儲存的主題樹');
                return;
            }
            if ($.trim(sTitle) == '') {
                alert('請輸入標題');
                $('input[@name=title]', formEl)[0].focus();
                return;
            }
            if ($.trim(sTitle).length > 100) {
                alert('標題請勿超過 100 個字');
                $('input[@name=title]', formEl)[0].focus();
                return;
            }
            if ($.trim(sUrl) == '') {
                alert('請輸入網址');
                $('input[@name=url]', formEl)[0].focus();
                return;
            } else if  (!checkurl()) {
                alert('請輸入 http:// 開頭的網址')
                $('input[@name=url]', formEl)[0].focus();
                return;
            }
            if ($.trim(sContent).length > 500) {
                alert('摘要請勿超過 500 個字');
                $('textarea[@name=content]', formEl)[0].focus();
                return;
            }
            $.ajax({
                url: 'service/index.php',
                type: 'post',
                data: 'method=add_reply&submit_act=true&article_id=' + sArticle + '&title=' + sTitle + '&url=' + sUrl + '&content=' + sContent,
                error: function(xhr) {
                    alert('伺服器錯誤，請再試一次');
                },
                success: function(oResponse) {
                    if (oResponse) {
                        var oData = JSON.parse(oResponse);
                        if (oData.type == 0) {
                            if ($.browser.msie) {
                                window.location = $('input[@name=url]', formEl)[0].value;
                                return;
                            } else {
                                window.open('','_parent','');
                                window.close();
                            }
                        } else {
                            alert(oData.msg);
                            return;
                        }
                    }
                }
            });
        };
        var formReset = function(e) {
            e.preventDefault();
            if ($.browser.msie) {
                window.location = $('input[@name=url]', formEl)[0].value;
                return;
            } else {
                window.open('','_parent','');
                window.close();
            }
        };
        var newTreeSelect = function(e) {
            e.preventDefault();
            if (e.target.tagName.toLowerCase() === 'select') {
                if ($('#newtree', this)[0].selected) {
                    window.open('http://wowtree.com/create.php');
                    window.open('','_parent','');
                    window.close();
                }
            } else {
                    window.open('http://wowtree.com/create.php');
                    window.open('','_parent','');
                    window.close();
            }
        };
        var init = function() {
            typeEl.change(selectChange);
            $('#masthead .logo a').click(function() {
                if ($.browser.msie) {
                    window.location = $('input[@name=url]', formEl)[0].value;
                    return;
                } else {
                    window.open('http://wowtree.com/');
                    window.open('','_parent','');
                    window.close();
                }
            });
            $('#masthead .input .cbtn').click(newTreeSelect);
            $('#wowpro #title').change(newTreeSelect);
            $('#wowpro form input[@name=submit_act]').click(formSubmit);
            $('#wowpro form input[@name=cancel]').click(formReset);
        };
        init();
    };

    this.wowLogin = function(moduleEl) {
        var init = function() {
            if ($('#login')) {
                $('a').click(function() {
                    if ($.browser.msie) {
                        window.location = this.href;
                        return;
                    } else {
                        window.open(this.href);
                        window.open('','_parent','');
                        window.close();
                    }
                });
            }
        };
        init();
    };
};
void function() {
    $(document).ready(function() {
        if (document.getElementById('wowpro')) {
            module.wowPro($('#wowpro'));
        }
        if (document.getElementById('login')) {
            module.wowLogin($('#login'));
        }
    });
} ();