macports-webapp/app/static/js/clamp.js

/*!
* Clamp.js 0.5.1
*
* Copyright 2011-2013, Joseph Schmitt http://joe.sh
* Released under the WTFPL license
* http://sam.zoy.org/wtfpl/
*/
(function () {
    window.$clamp = function (c, d) {
        function s(a, b) {
            n.getComputedStyle || (n.getComputedStyle = function (a, b) {
                this.el = a;
                this.getPropertyValue = function (b) {
                    var c = /(\-([a-z]){1})/g;
                    "float" == b && (b = "styleFloat");
                    c.test(b) && (b = b.replace(c, function (a, b, c) {
                        return c.toUpperCase()
                    }));
                    return a.currentStyle && a.currentStyle[b] ? a.currentStyle[b] : null
                };
                return this
            });
            return n.getComputedStyle(a, null).getPropertyValue(b)
        }

        function t(a) {
            a = a || c.clientHeight;
            var b = u(c);
            return Math.max(Math.floor(a / b), 0)
        }

        function x(a) {
            return u(c) *
                a
        }

        function u(a) {
            var b = s(a, "line-height");
            "normal" == b && (b = 1.2 * parseInt(s(a, "font-size")));
            return parseInt(b)
        }

        function l(a) {
            if (a.lastChild.children && 0 < a.lastChild.children.length) return l(Array.prototype.slice.call(a.children).pop());
            if (a.lastChild && a.lastChild.nodeValue && "" != a.lastChild.nodeValue && a.lastChild.nodeValue != b.truncationChar) return a.lastChild;
            a.lastChild.parentNode.removeChild(a.lastChild);
            return l(c)
        }

        function p(a, d) {
            if (d) {
                var e = a.nodeValue.replace(b.truncationChar, "");
                f || (h = 0 < k.length ?
                    k.shift() : "", f = e.split(h));
                1 < f.length ? (q = f.pop(), r(a, f.join(h))) : f = null;
                m && (a.nodeValue = a.nodeValue.replace(b.truncationChar, ""), c.innerHTML = a.nodeValue + " " + m.innerHTML + b.truncationChar);
                if (f) {
                    if (c.clientHeight <= d) if (0 <= k.length && "" != h) r(a, f.join(h) + h + q), f = null; else return c.innerHTML
                } else "" == h && (r(a, ""), a = l(c), k = b.splitOnChars.slice(0), h = k[0], q = f = null);
                if (b.animate) setTimeout(function () {
                    p(a, d)
                }, !0 === b.animate ? 10 : b.animate); else return p(a, d)
            }
        }

        function r(a, c) {
            a.nodeValue = c + b.truncationChar;
            $("#expand-ld").show();
        }

        d = d || {};
        var n = window, b = {
                clamp: d.clamp || 2,
                useNativeClamp: "undefined" != typeof d.useNativeClamp ? d.useNativeClamp : !0,
                splitOnChars: d.splitOnChars || [".", "-", "\u2013", "\u2014", " "],
                animate: d.animate || !1,
                truncationChar: d.truncationChar || "\u2026",
                truncationHTML: d.truncationHTML
            }, e = c.style, y = c.innerHTML, z = "undefined" != typeof c.style.webkitLineClamp, g = b.clamp,
            v = g.indexOf && (-1 < g.indexOf("px") || -1 < g.indexOf("em")), m;
        b.truncationHTML && (m = document.createElement("span"), m.innerHTML = b.truncationHTML);
        var k = b.splitOnChars.slice(0),
            h = k[0], f, q;
        "auto" == g ? g = t() : v && (g = t(parseInt(g)));
        var w;
        z && b.useNativeClamp ? (e.overflow = "hidden", e.textOverflow = "ellipsis", e.webkitBoxOrient = "vertical", e.display = "-webkit-box", e.webkitLineClamp = g, v && (e.height = b.clamp + "px")) : (e = x(g), e <= c.clientHeight && (w = p(l(c), e)));
        return {original: y, clamped: w}
    }
})();