| \n ${xmlButton}\n ${title}\n \n ${date}\n \n | \n
| \n ${image}\n ${items}\n ${input}\n \n RSS box by p3k.org.\n \n | \n
', str, '
');
}
org.p3k.RssBox = function() {
var ref;
var ISOPATTERN = /([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9:]+).*$/;
var data = org.p3k;
data.defaults = {
url: "http://blog.p3k.org/rss",
maxItems: 7,
width: 200,
align: "",
frameColor: "black",
titleBarColor: "lightblue",
titleBarTextColor: "black",
boxFillColor: "white",
textColor: "black",
showXmlButton: "",
compact: ""
};
var baseUri = data.baseUri;
var getColor = function(str) {
if (str.length === 6 && parseInt(str, 16) && str.indexOf("#") !== 0) {
str = "#" + str;
}
return str.toLowerCase();
}
var value;
for (var i in data.defaults) {
value = data.param[i];
if (!value || value.length === 0) {
data.param[i] = data.defaults[i];
} else if (i.indexOf("Color") > 0) {
data.param[i] = getColor(value);
}
}
// FIXME: Ugly work-around for many boxes using too small width
// values because the former version did not show the exact output.
if (data.param.javascript && data.param.width < 200) {
data.param.width = 200;
}
// Remove obsolete parameters from param and query
delete data.param.javascript;
data.query = data.query.replace("javascript=true", "");
var NAMESPACES = {
dc: "http://purl.org/dc/elements/1.1/",
rdf: "http://www.w3.org/1999/02/22-rdf-syntax-ns#"
};
var getUrl = function(url) {
url = baseUri + "proxy.r?" + encodeURIComponent(url);
var HttpRequest = function() {
return (typeof XMLHttpRequest !== "undefined") ?
new XMLHttpRequest() : new ActiveXObject("Msxml2.XMLHTTP");
}
var request = new HttpRequest();
request.open("GET", url, false);
request.send(null);
if (!request.getResponseHeader("Date")) {
var cached = request;
var ifModifiedSince = cached.getResponseHeader("Last-Modified") ||
new Date(0); // January 1, 1970
request = new HttpRequest();
request.open("GET", url, false);
request.setRequestHeader("If-Modified-Since", ifModifiedSince);
request.send("");
if (request.status === 304) {
request = cached;
}
}
return request;
}
var getDocument = function(source) {
if (source) {
if (document.implementation.createDocument) {
var parser = new DOMParser();
var doc = parser.parseFromString(source, "text/xml");
return doc;
} else if (window.ActiveXObject) {
var doc = new ActiveXObject("Microsoft.XMLDOM");
doc.async = "false";
doc.loadXML(source);
return doc;
}
}
return null;
}
var getError = function() {
var msg = null, root;
if (!xml || data.message) {
msg = data.message || "Unknown error.";
} else if (xml.parseError && xml.parseError.errorCode) {
msg = xml.parseError.reason; // IExplore
} else if (root = xml.documentElement) {
var errorNode;
if (root.nodeName === "parsererror") {
msg = xml.documentElement.textContent; // Mozilla
} else if ((errorNode = root.childNodes[0]) &&
errorNode.nodeName === "parsererror") {
msg = errorNode.textContent; // Safari
} else if (!/rss|rdf|scriptingNews/i.test(xml.documentElement.nodeName)) {
msg = "Incompatible data format. Are you sure this is an RSS feed?";
}
}
return msg;
}
var getNode = function(parent, name, namespace) {
if (namespace) {
if (typeof parent.getElementsByTagNameNS === "undefined") {
var elements = parent.getElementsByTagName(namespace + ":" + name);
} else {
var elements = parent.getElementsByTagNameNS(NAMESPACES[namespace], name);
}
} else {
var elements = parent.getElementsByTagName(name);
}
if (elements && elements[0]) {
return elements[0];
}
return null;
}
var getText = function(node) {
if (node && node.childNodes && node.childNodes.length > 0) {
return node.childNodes[0].nodeValue || "";
}
return "";
}
var trim = function(str) {
if (str) {
return str.replace(/^\s*(\S*)\s*$/, "$1");
}
return "";
}
var padZero = function(n) {
if (n < 10) {
return "0" + n
}
return n;
}
var encodeXml = function(str) {
if (!str) {
return "";
}
return str.replace(//g, ">").replace(/&/g, "&");
}
var render = function(template, param) {
if (!template || !param) {
return template;
}
template = template.replace(/\$\{([^}]+)\}/g, function() {
var key = arguments[1];
return param[key] || "";
});
return template;
}
var renderDate = function(date) {
if (date.constructor !== Date) {
var str = String(date);
var millis = Date.parse(str.replace(ISOPATTERN, "$1/$2/$3 $4"));
if (millis) {
date = new Date(millis);
} else {
date = new Date;
}
}
return render(data.date, {
year: date.getFullYear(),
month: padZero(date.getMonth() + 1),
day: padZero(date.getDate()),
hours: padZero(date.getHours()),
minutes: padZero(date.getMinutes()),
seconds: padZero(date.getSeconds()),
timeZone: "" // date.getTimezoneOffset()
});
}
var renderButtons = function(enclosure, source) {
var result = "";
if (enclosure && enclosure.link) {
result += render(data.image, {
source: baseUri + "enclosure.gif",
title: enclosure.type,
link: encodeURI(enclosure.link),
width: 13,
height: 16
});
}
if (source && source.link) {
result += render(data.image, {
source: baseUri + "source.gif",
title: source.title,
link: encodeURI(source.link),
width: 15,
height: 15
});
}
return result;
}
var param = data.param;
var rss = data.rss = {items: []};
var xml = getDocument(data.xml);
rss.error = getError();
if (rss.error !== null) {
xml = getDocument(render(data.error, {
link: baseUri + "?" + encodeXml(data.query),
message: encodeXml(rss.error)
}));
param.compact = 0;
param.showXmlButton = 1;
}
var root = xml.documentElement;
var type = root.nodeName;
if (type === "scriptingNews") {
var channel = getNode(xml, "header");
rss.format = "Scripting News";
rss.version = getText(getNode(channel, "scriptingNewsVersion"));
rss.title = getText(getNode(channel, "channelTitle"));
rss.description = getText(getNode(channel, "channelDescription"));
rss.link = getText(getNode(channel, "channelLink"));
if (ref = getText(getNode(channel, "imageUrl"))) {
ref = rss.image = {source: ref};
ref.title = getText(getNode(channel, "imageTitle"));
ref.link = getText(getNode(channel, "imageLink"));
ref.width = getText(getNode(channel, "imageWidth"));
ref.height = getText(getNode(channel, "imageHeight"));
ref.description = getText(getNode(channel, "imageCaption"));
}
} else {
var channel = getNode(xml, "channel");
rss.format = "RSS";
rss.version = (type === "rdf:RDF") ? "1.0" :
root.getAttribute("version");
rss.title = getText(getNode(channel, "title"));
rss.description = getText(getNode(channel, "description"));
rss.link = getText(getNode(channel, "link"));
var image = getNode(xml, "image");
if (image) {
ref = rss.image = {};
ref.source = getText(getNode(image, "url"));
ref.title = getText(getNode(image, "title"));
ref.link = getText(getNode(image, "link"));
ref.width = getText(getNode(image, "width"));
ref.height = getText(getNode(image, "height"));
ref.description = getText(getNode(image, "description"));
}
}
if (type === "rdf:RDF") {
rss.date = renderDate(getText(getNode(channel, "date", "dc")) || data.modified);
rss.rights = getText(getNode(channel, "creator", "dc"));
var input = getNode(root, "textinput");
if (input && !getNode(input, "link")) {
input = root.getElementsByTagName("textinput")[1];
}
if (input) {
ref = rss.input = {};
ref.link = getText(getNode(input, "link"));
ref.description = getText(getNode(input, "description"));
ref.name = getText(getNode(input, "name"));
ref.title = getText(getNode(input, "title"));
}
} else {
rss.date = renderDate(getText(getNode(channel, "lastBuildDate") || getText(getNode(channel, "pubDate"))) || data.modified);
rss.rights = getText(getNode(channel, "copyright"));
}
var item, text, node;
var items = xml.getElementsByTagName("item");
for (var i=0; i
" : "",
description: (!param.compact || !item.title) && item.description,
buttons: renderButtons(item.enclosure, item.source)
});
}
var box = render(data.box, {
title: rss.link ? render(data.link, {
link: encodeURI(rss.link),
text: rss.title,
'class': "rssBoxTitle",
style: "color: " + param.titleBarTextColor
}) : rss.title,
description: rss.description,
items: items,
xmlButton: param.showXmlButton && render(data.image, {
link: param.url,
source: baseUri + "rss.png",
title: rss.format + " " + rss.version,
width: 16,
height: 16,
align: "right",
hspace: 3
}),
image: !param.compact && rss.image && render(data.image, {
link: encodeURI(rss.image.link),
source: rss.image.source,
width: rss.image.width,
height: rss.image.height,
title: rss.image.title,
align: "right",
valign: "baseline",
hspace: 5,
vspace: 5
}),
input: !param.compact && rss.input && render(data.input, {
link: encodeURI(rss.input.link),
description: rss.input.description,
name: rss.input.name,
title: rss.input.title
}),
date: rss.date,
width: param.width,
frameColor: param.frameColor,
fontFace: param.fontFace,
align: param.align,
titleBarColor: param.titleBarColor,
titleBarTextColor: param.titleBarTextColor,
boxFillColor: param.boxFillColor,
textColor: param.textColor
});
if (!window.rssBoxSetup) {
document.write(box);
}
return box;
};
org.p3k.RssBox();