annotate static/js/download.js @ 397:29d4b5e45423

Use flask to render site and get rid of submodules

We don't want to use statically generated html files anymore. We are using
flask to do the routing and render the templates for now. This means we also
get rid of the submoduels and put everything together in templates/.

function Download (source) {
    this.version = source[0];
    this.regex = source[1];
    this.url = source[2];
    this.desc = source[3];

    // Strip '.0' version suffix, unless it is for a minor version.
    // It is always incorrect for Mercurial releases.
    var points = this.version.split('.');
    if (points.length > 2 && points[points.length-1] == "0") {
        points.pop();
        this.version = points.join(".");
    }
}

Download.prototype = {
    matches: function (ua) {
        if (ua.match(this.regex))
            return true;
        return false;
    },

    download: function () {
        document.location.href = this.url;
        return false;
    },

    attr: function (key) {
        return this[key];
    },

    write: function (key) {
        document.write(this[key]);
    }
}


var Downloader = {
    // maximum number of versions to display (0 to display all available)
    maxversions: 2,

    downloads: [],

    init: function (sources) {
        for (i in sources) {
            var source = new Download(sources[i]);
            this.downloads.push(source);
        }
    },

    select: function () {
        var ua = navigator.userAgent;
        for (i in this.downloads) {
            if (this.downloads[i].matches(ua)) {
                return this.downloads[i];
            }
        }
        return null;
    },

    versions: function () {
        var uniq = new Object();
        for (i in this.downloads) {
            uniq[this.downloads[i].version] = 1;
        }
        var versions = new Array();
        for (key in uniq) {
            versions.push(key);
        }
        versions.sort(function (a, b) {
            a = a.toLowerCase();
            b = b.toLowerCase();
            return (a < b) - (b < a);
        });
        return versions;
    },

    listall: function (selector) {
        if (selector == null)
            selector = function (o) { return true; }

        // copy the download list, selecting only wanted nodes
        var downloads = new Array();
        for (i in this.downloads) {
            if (selector(this.downloads[i])) {
                downloads.push(this.downloads[i]);
            }
        }

        // alpha-sort it by description (case-folded)
        downloads.sort(function (a, b) {
            a = a.desc.toLowerCase();
            b = b.desc.toLowerCase();
            return (b < a) - (a < b);
        });

        var desc;
        var out = ''
        for (i in downloads) {
            var dl = downloads[i];
            var ua = navigator.userAgent;
            if (dl.matches(ua))
                desc = '<em>' + dl.desc + '</em>';
            else
                desc = dl.desc;
            out += '<tr>\n<td>' + desc + '</td>' +
                   '<td></td>' +
                   '<td><a href="' + dl.url + '">download</a></td>' +
                   '</tr>';
        }
        return out;
    },

    table: function (name, selector) {
        var out = '';
        out += '<table border="0" cellspacing="0" ' +
               'cellpadding="0" class="latest" width="100%">\n';
        out += '<thead>\n';
        out += '<tr>\n';
        out += '<th>Mercurial ';
        out += name;
        out += '</th>';
        out += '<th></th>';
        out += '<th></th>';
        out += '</tr>';
        out += '</thead>';
        out += '<tbody>';
        out += this.listall(selector);
        out += '</tbody>';
        out += '</table>';
        out += '<br/>';
        return out;
    }
};