1 files changed, 577 insertions, 0 deletions

diff --git a/frontend/gamma/js/MochiKit/Text.js b/frontend/gamma/js/MochiKit/Text.js
new file mode 100644
index 0000000..a44f7e4
--- a/dev/null
+++ b/frontend/gamma/js/MochiKit/Text.js
@@ -0,0 +1,577 @@
+/***
+
+MochiKit.Text 1.5
+
+See <http://mochikit.com/> for documentation, downloads, license, etc.
+
+(c) 2008 Per Cederberg.  All rights Reserved.
+
+***/
+
+MochiKit.Base._module('Text', '1.5', ['Base', 'Format']);
+
+/**
+ * Checks if a text string starts with the specified substring. If
+ * either of the two strings is null, false will be returned.
+ *
+ * @param {String} substr the substring to search for
+ * @param {String} str the string to search in
+ *
+ * @return {Boolean} true if the string starts with the substring, or
+ *         false otherwise
+ */
+MochiKit.Text.startsWith = function (substr, str) {
+    return str != null && substr != null && str.indexOf(substr) == 0;
+}
+
+/**
+ * Checks if a text string ends with the specified substring. If
+ * either of the two strings is null, false will be returned.
+ *
+ * @param {String} substr the substring to search for
+ * @param {String} str the string to search in
+ *
+ * @return {Boolean} true if the string ends with the substring, or
+ *         false otherwise
+ */
+MochiKit.Text.endsWith = function (substr, str) {
+    return str != null && substr != null &&
+           str.lastIndexOf(substr) == Math.max(str.length - substr.length, 0);
+}
+
+/**
+ * Checks if a text string contains the specified substring. If
+ * either of the two strings is null, false will be returned.
+ *
+ * @param {String} substr the substring to search for
+ * @param {String} str the string to search in
+ *
+ * @return {Boolean} true if the string contains the substring, or
+ *         false otherwise
+ */
+MochiKit.Text.contains = function (substr, str) {
+    return str != null && substr != null && str.indexOf(substr) >= 0;
+}
+
+/**
+ * Adds a character to the left-hand side of a string until it
+ * reaches the specified minimum length.
+ *
+ * @param {String} str the string to process
+ * @param {Number} minLength the requested minimum length
+ * @param {String} fillChar the padding character to add, defaults
+ *            to a space
+ *
+ * @return {String} the padded string
+ */
+MochiKit.Text.padLeft = function (str, minLength, fillChar) {
+    str = str || "";
+    fillChar = fillChar || " ";
+    while (str.length < minLength) {
+        str = fillChar + str;
+    }
+    return str;
+}
+
+/**
+ * Adds a character to the right-hand side of a string until it
+ * reaches the specified minimum length.
+ *
+ * @param {String} str the string to process
+ * @param {Number} minLength the requested minimum length
+ * @param {String} fillChar the padding character to add, defaults
+ *            to a space
+ *
+ * @return {String} the padded string
+ */
+MochiKit.Text.padRight = function (str, minLength, fillChar) {
+    str = str || "";
+    fillChar = fillChar || " ";
+    while (str.length < minLength) {
+        str += fillChar;
+    }
+    return str;
+}
+
+/**
+ * Returns a truncated copy of a string. If the string is shorter
+ * than the specified maximum length, the object will be returned
+ * unmodified. If an optional tail string is specified, additional
+ * elements will be removed in order to accomodate the tail (that
+ * will be appended). This function also works on arrays.
+ *
+ * @param {String} str the string to truncate
+ * @param {Number} maxLength the maximum length
+ * @param {String} [tail] the tail to append on truncation
+ *
+ * @return {String} the truncated string
+ */
+MochiKit.Text.truncate = function (str, maxLength, tail) {
+    if (str == null || str.length <= maxLength || maxLength < 0) {
+        return str;
+    } else if (tail != null) {
+        str = str.slice(0, Math.max(0, maxLength - tail.length));
+        if (typeof(str) == "string") {
+            return str + tail;
+        } else {
+            return MochiKit.Base.extend(str, tail);
+        }
+    } else {
+        return str.slice(0, maxLength);
+    }
+}
+
+/**
+ * Splits a text string, applies a function and joins the results
+ * back together again. This is a convenience function for calling
+ * split(), map() and join() separately. It can be used to easily
+ * trim each line in a text string (using the strip function), or to
+ * translate a text word-by-word.
+ *
+ * @param {Function} func the function to apply
+ * @param {String} str the string to split
+ * @param {String} [separator] the separator character to use,
+ *            defaults to newline
+ *
+ * @return {String} a string with the joined up results
+ */
+MochiKit.Text.splitJoin = function (func, str, separator) {
+    if (str == null || str.length == 0) {
+        return str;
+    }
+    separator = separator || '\n'
+    return MochiKit.Base.map(func, str.split(separator)).join(separator);
+}
+
+/**
+ * Creates a formatter function for the specified formatter pattern
+ * and locale. The returned function takes as many arguments as the
+ * formatter pattern requires. See separate documentation for
+ * information about the formatter pattern syntax.
+ *
+ * @param {String} pattern the formatter pattern string
+ * @param {Object} [locale] the locale to use, defaults to
+ *            LOCALE.en_US
+ *
+ * @return {Function} the formatter function created
+ *
+ * @throws FormatPatternError if the format pattern was invalid
+ */
+MochiKit.Text.formatter = function (pattern, locale) {
+    if (typeof(locale) == "undefined") {
+        locale = MochiKit.Format.formatLocale();
+    } else if (typeof(locale) == "string") {
+        locale = MochiKit.Format.formatLocale(locale);
+    }
+    var parts = MochiKit.Text._parsePattern(pattern);
+    return function() {
+        var values = MochiKit.Base.extend([], arguments);
+        var res = [];
+        for (var i = 0; i < parts.length; i++) {
+            if (typeof(parts[i]) == "string") {
+                res.push(parts[i]);
+            } else {
+                res.push(MochiKit.Text.formatValue(parts[i], values, locale));
+            }
+        }
+        return res.join("");
+    }
+}
+
+/**
+ * Formats the specified arguments according to a formatter pattern.
+ * See separate documentation for information about the formatter
+ * pattern syntax.
+ *
+ * @param {String} pattern the formatter pattern string
+ * @param {Object} [...] the optional values to format
+ *
+ * @return {String} the formatted output string
+ *
+ * @throws FormatPatternError if the format pattern was invalid
+ */
+MochiKit.Text.format = function (pattern/*, ...*/) {
+    var func = MochiKit.Text.formatter(pattern);
+    return func.apply(this, MochiKit.Base.extend([], arguments, 1));
+}
+
+/**
+ * Format a value with the specified format specifier.
+ *
+ * @param {String/Object} spec the format specifier string or parsed
+ *            format specifier object
+ * @param {Object} value the value to format
+ * @param {Object} [locale] the locale to use, defaults to
+ *            LOCALE.en_US
+ *
+ * @return {String} the formatted output string
+ */
+MochiKit.Text.formatValue = function (spec, value, locale) {
+    var self = MochiKit.Text;
+    if (typeof(spec) === "string") {
+        spec = self._parseFormatFlags(spec, 0, spec.length - 1);
+    }
+    for (var i = 0; spec.path != null && i < spec.path.length; i++) {
+        if (value != null) {
+            value = value[spec.path[i]];
+        }
+    }
+    if (typeof(locale) == "undefined") {
+        locale = MochiKit.Format.formatLocale();
+    } else if (typeof(locale) == "string") {
+        locale = MochiKit.Format.formatLocale(locale);
+    }
+    var str = "";
+    if (spec.numeric) {
+        if (typeof(value) != "number" || isNaN(value)) {
+            str = "";
+        } else if (value === Number.POSITIVE_INFINITY) {
+            str = "\u221e";
+        } else if (value === Number.NEGATIVE_INFINITY) {
+            str = "-\u221e";
+        } else {
+            var sign = (spec.sign === "-") ? "" : spec.sign;
+            sign = (value < 0) ? "-" : sign;
+            value = Math.abs(value);
+            if (spec.format === "%") {
+                str = self._truncToPercent(value, spec.precision);
+            } else if (spec.format === "d") {
+                str = MochiKit.Format.roundToFixed(value, 0);
+            } else if (spec.radix != 10) {
+                str = Math.floor(value).toString(spec.radix);
+                if (spec.format === "x") {
+                    str = str.toLowerCase();
+                } else if (spec.format === "X") {
+                    str = str.toUpperCase();
+                }
+            } else if (spec.precision >= 0) {
+                str = MochiKit.Format.roundToFixed(value, spec.precision);
+            } else {
+                str = value.toString();
+            }
+            if (spec.padding === "0" && spec.format === "%") {
+                str = self.padLeft(str, spec.width - sign.length - 1, "0");
+            } else if (spec.padding == "0") {
+                str = self.padLeft(str, spec.width - sign.length, "0");
+            }
+            str = self._localizeNumber(str, locale, spec.grouping);
+            str = sign + str;
+        }
+        if (str !== "" && spec.format === "%") {
+            str = str + locale.percent;
+        }
+    } else {
+        if (spec.format == "r") {
+            str = MochiKit.Base.repr(value);
+        } else {
+            str = (value == null) ? "null" : value.toString();
+        }
+        str = self.truncate(str, spec.precision);
+    }
+    if (spec.align == "<") {
+        str = self.padRight(str, spec.width);
+    } else {
+        str = self.padLeft(str, spec.width);
+    }
+    return str;
+}
+
+/**
+ * Adjust an already formatted numeric string for locale-specific
+ * grouping and decimal separators. The grouping is optional and
+ * will attempt to keep the number string length intact by removing
+ * padded zeros (if possible).
+ *
+ * @param {String} num the formatted number string
+ * @param {Object} locale the formatting locale to use
+ * @param {Boolean} grouping the grouping flag
+ *
+ * @return {String} the localized number string
+ */
+MochiKit.Text._localizeNumber = function (num, locale, grouping) {
+    var parts = num.split(/\./);
+    var whole = parts[0];
+    var frac = (parts.length == 1) ? "" : parts[1];
+    var res = (frac.length > 0) ? locale.decimal : "";
+    while (grouping && frac.length > 3) {
+        res = res + frac.substring(0, 3) + locale.separator;
+        frac = frac.substring(3);
+        if (whole.charAt(0) == "0") {
+            whole = whole.substring(1);
+        }
+    }
+    if (frac.length > 0) {
+        res += frac;
+    }
+    while (grouping && whole.length > 3) {
+        var pos = whole.length - 3;
+        res = locale.separator + whole.substring(pos) + res;
+        whole = whole.substring((whole.charAt(0) == "0") ? 1 : 0, pos);
+    }
+    return whole + res;
+}
+
+/**
+ * Parses a format pattern and returns an array of constant strings
+ * and format info objects.
+ *
+ * @param {String} pattern the format pattern to analyze
+ *
+ * @return {Array} an array of strings and format info objects
+ *
+ * @throws FormatPatternError if the format pattern was invalid
+ */
+MochiKit.Text._parsePattern = function (pattern) {
+    var self = MochiKit.Text;
+    var parts = [];
+    var start = 0;
+    var pos = 0;
+    for (pos = 0; pos < pattern.length; pos++) {
+        if (pattern.charAt(pos) == "{") {
+            if (pos + 1 >= pattern.length) {
+                var msg = "unescaped { char, should be escaped as {{";
+                throw new self.FormatPatternError(pattern, pos, msg);
+            } else if (pattern.charAt(pos + 1) == "{") {
+                parts.push(pattern.substring(start, pos + 1));
+                start = pos + 2;
+                pos++;
+            } else {
+                if (start < pos) {
+                    parts.push(pattern.substring(start, pos));
+                }
+                start = pattern.indexOf("}", pos) + 1;
+                if (start <= 0) {
+                    var msg = "unmatched { char, not followed by a } char";
+                    throw new self.FormatPatternError(pattern, pos, msg);
+                }
+                parts.push(self._parseFormat(pattern, pos + 1, start - 1));
+                pos = start - 1;
+            }
+        } else if (pattern.charAt(pos) == "}") {
+            if (pos + 1 >= pattern.length || pattern.charAt(pos + 1) != "}") {
+                var msg = "unescaped } char, should be escaped as }}";
+                throw new self.FormatPatternError(pattern, pos, msg);
+            }
+            parts.push(pattern.substring(start, pos + 1));
+            start = pos + 2;
+            pos++;
+        }
+    }
+    if (start < pos) {
+        parts.push(pattern.substring(start, pos));
+    }
+    return parts;
+}
+
+/**
+ * Parses a format instruction and returns a format info object.
+ *
+ * @param {String} pattern the format pattern string
+ * @param {Number} startPos the first index of the format instruction
+ * @param {Number} endPos the last index of the format instruction
+ *
+ * @return {Object} the format info object
+ *
+ * @throws FormatPatternError if the format pattern was invalid
+ */
+MochiKit.Text._parseFormat = function (pattern, startPos, endPos) {
+    var self = MochiKit.Text;
+    var text = pattern.substring(startPos, endPos);
+    var info;
+    var pos = text.indexOf(":");
+    if (pos == 0) {
+        info = self._parseFormatFlags(pattern, startPos + 1, endPos);
+        info.path = [0];
+    } else if (pos > 0) {
+        info = self._parseFormatFlags(pattern, startPos + pos + 1, endPos);
+        info.path = text.substring(0, pos).split(".");
+    } else {
+        info = self._parseFormatFlags(pattern, endPos, endPos);
+        info.path = text.split(".");
+    }
+    var DIGITS = /^\d+$/;
+    for (var i = 0; i < info.path.length; i++) {
+        var e = info.path[i];
+        if (typeof(e) == "string") {
+            // TODO: replace with MochiKit.Format.strip?
+            e = e.replace(/^\s+/, "").replace(/\s+$/, "");
+            if (e == "" && info.path.length == 1) {
+                e = 0;
+            } else if (e == "") {
+                var msg = "format value path contains blanks";
+                throw new self.FormatPatternError(pattern, startPos, msg);
+            } else if (DIGITS.test(e)) {
+                e = parseInt(e);
+            }
+        }
+        info.path[i] = e;
+    }
+    if (info.path.length < 0 || typeof(info.path[0]) != "number") {
+        info.path.unshift(0);
+    }
+    return info;
+}
+
+/**
+ * Parses a string with format flags and returns a format info object.
+ *
+ * @param {String} pattern the format pattern string
+ * @param {Number} startPos the first index of the format instruction
+ * @param {Number} endPos the last index of the format instruction
+ *
+ * @return {Object} the format info object
+ *
+ * @throws FormatPatternError if the format pattern was invalid
+ */
+MochiKit.Text._parseFormatFlags = function (pattern, startPos, endPos) {
+    var self = MochiKit.Text;
+    var info = { numeric: false, format: "s", width: 0, precision: -1,
+                 align: ">", sign: "-", padding: " ", grouping: false };
+    // TODO: replace with MochiKit.Format.rstrip?
+    var flags = pattern.substring(startPos, endPos).replace(/\s+$/, "");
+    while (flags.length > 0) {
+        switch (flags.charAt(0)) {
+        case ">":
+        case "<":
+            info.align = flags.charAt(0);
+            flags = flags.substring(1);
+            break;
+        case "+":
+        case "-":
+        case " ":
+            info.sign = flags.charAt(0);
+            flags = flags.substring(1);
+            break;
+        case ",":
+            info.grouping = true;
+            flags = flags.substring(1);
+            break;
+        case ".":
+            var chars = /^\d*/.exec(flags.substring(1))[0];
+            info.precision = parseInt(chars);
+            flags = flags.substring(1 + chars.length);
+            break;
+        case "0":
+            info.padding = flags.charAt(0);
+            flags = flags.substring(1);
+            break;
+        case "1":
+        case "2":
+        case "3":
+        case "4":
+        case "5":
+        case "6":
+        case "7":
+        case "8":
+        case "9":
+            var chars = /^\d*/.exec(flags)[0];
+            info.width = parseInt(chars);
+            flags = flags.substring(chars.length);
+            break;
+        case "s":
+        case "r":
+            info.format = flags.charAt(0);
+            flags = flags.substring(1);
+            break;
+        case "b":
+        case "d":
+        case "o":
+        case "x":
+        case "X":
+        case "f":
+        case "%":
+            info.numeric = true;
+            info.format = flags.charAt(0);
+            info.radix = 10;
+            if (info.format === "b") {
+                info.radix = 2;
+            } else if (info.format === "o") {
+                info.radix = 8;
+            } else if (info.format === "x" || info.format === "X") {
+                info.radix = 16;
+            }
+            flags = flags.substring(1);
+            break;
+        default:
+            var msg = "unsupported format flag: " + flags.charAt(0);
+            throw new self.FormatPatternError(pattern, startPos, msg);
+        }
+    }
+    return info;
+}
+
+/**
+ * Formats a value as a percentage. This method avoids multiplication
+ * by 100 since it leads to weird numeric rounding errors. Instead it
+ * just move the decimal separator in the text string. It is ugly,
+ * but works...
+ *
+ * @param {Number} value the value to format
+ * @param {Number} precision the number of precision digits
+ */
+MochiKit.Text._truncToPercent = function (value, precision) {
+    // TODO: This can be simplified by using the same helper function
+    //       as roundToFixed now does.
+    var str;
+    if (precision >= 0) {
+        str = MochiKit.Format.roundToFixed(value, precision + 2);
+    } else {
+        str = (value == null) ? "0" : value.toString();
+    }
+    var fracPos = str.indexOf(".");
+    if (fracPos < 0) {
+        str = str + "00";
+    } else if (fracPos + 3 >= str.length) {
+        var fraction = str.substring(fracPos + 1);
+        while (fraction.length < 2) {
+            fraction = fraction + "0";
+        }
+        str = str.substring(0, fracPos) + fraction;
+    } else {
+        var fraction = str.substring(fracPos + 1);
+        str = str.substring(0, fracPos) + fraction.substring(0, 2) +
+              "." + fraction.substring(2);
+    }
+    while (str.length > 1 && str.charAt(0) == "0" && str.charAt(1) != ".") {
+        str = str.substring(1);
+    }
+    return str;
+}
+
+/**
+ * Creates a new format pattern error.
+ *
+ * @param {String} pattern the format pattern string
+ * @param {Number} pos the position of the error
+ * @param {String} message the error message text
+ *
+ * @return {Error} the format pattern error
+ *
+ * @class The format pattern error class. This error is thrown when
+ *     a syntax error is encountered inside a format string.
+ * @property {String} pattern The format pattern string.
+ * @property {Number} pos The position of the error.
+ * @property {String} message The error message text.
+ * @extends MochiKit.Base.NamedError
+ */
+MochiKit.Text.FormatPatternError = function (pattern, pos, message) {
+    this.pattern = pattern;
+    this.pos = pos;
+    this.message = message;
+}
+MochiKit.Text.FormatPatternError.prototype =
+    new MochiKit.Base.NamedError("MochiKit.Text.FormatPatternError");
+
+
+//
+//XXX: Internet Explorer exception handling blows
+//
+if (MochiKit.__export__) {
+    formatter = MochiKit.Text.formatter;
+    format = MochiKit.Text.format;
+    formatValue = MochiKit.Text.formatValue;
+}
+
+
+MochiKit.Base.nameFunctions(MochiKit.Text);
+MochiKit.Base._exportSymbols(this, MochiKit.Text);