put away back

1 files changed, 166 insertions, 0 deletions

diff --git a/static/js/src/text.js b/static/js/src/text.js
new file mode 100644
index 0000000..9420ba0
--- /dev/null
+++ b/static/js/src/text.js
@@ -0,0 +1,166 @@
+
+// this doesn't properly deal with eg, .gov.uk .co.ck etc
+function parseDomain(host){
+  var chunks = host.split(".")
+  if (chunks.length == 1) return chunks[0]
+  else return chunks[chunks.length - 2]
+}
+
+function escapeHtml(txt) {
+    if (!txt) { return ""; }
+    // txt = annoyingCaps(txt)
+    return $("<span>").text(txt).html()
+}
+
+
+URLRegex = /((\b(http\:\/\/|https\:\/\/|ftp\:\/\/)|(www\.))+(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?)/gi;
+PicRegex = /\.(jpg|jpeg|png|gif|bmp|svg|fid)$/i;
+RecipRegex = /(^|\s)@\w+/g;
+TopicRegex = /(^|\s)#\w+/g;
+
+
+function getImagesAsArray(text) {
+  var imgs = []
+  var urls = text.match(URLRegex)
+  if (urls === null) return imgs
+  for (var i = 0; i<urls.length; i++){
+    var url = urls[i]
+    var urlWithoutParams = url.replace(/\?.*$/i, "");
+    if (PicRegex.test(urlWithoutParams))
+      imgs.push(url)
+  }
+  return imgs
+}
+
+function topicReplace(text) {
+    text = $.trim(text).toLowerCase();
+    var topicLabel = text.substring(1);
+    return ' <a target="_blank" href="'+ RootDomain + 't/' + topicLabel + '">' + text + '</a> ';
+}
+
+function recipientReplace(atText, recips) {
+    recips = recips || [];
+
+    var space = '';    
+    if (atText[0] == ' ') {
+        atText = atText.slice(1);
+        space = ' ';
+    }
+    
+    var nick = atText.slice(1).toLowerCase();
+    var matchedRecip;
+    for (var i = 0; i < recips.length; i++) {
+        if (recips[i].toLowerCase() == nick) {
+            matchedRecip = recips[i];
+            break;
+        }
+    }
+    
+    if (matchedRecip) {
+        return space + '<a target="_blank" href="' + RootDomain + matchedRecip + '">@' + matchedRecip + '</a>';
+    } else {
+        return space + atText;
+    }
+}
+
+function linkify(text, recips) {
+    LastMsgContainsImage = false;
+    var recipWrapper = function(text) { return recipientReplace(text, recips); };
+    return text
+        .replace(URLRegex, linkReplace)
+        .replace(RecipRegex, recipWrapper)
+        .replace(TopicRegex, topicReplace);
+}
+
+// use this in escapeHtml to turn everyone's text lIkE tHiS
+function annoyingCaps(text){
+  var chunks = text.split(" ")
+  for(var i=0; i<chunks.length; i++){
+    var chunk = chunks[i]
+    if (!chunk.length || chunk.substr(0,4) == 'http') continue;
+    var letters=chunk.split("")
+    for(var j = 0; j<letters.length; j++){
+      if (j % 2) letters[j] = letters[j].toUpperCase()
+      else letters[j] = letters[j].toLowerCase()
+    }
+    chunks[i] = letters.join("")
+  } 
+  return chunks.join(" ")
+}
+
+
+function imgClickHandler() {
+	// Ugly hack. Don't open new links in chat, only in logs.
+	// Ugly hack mkII: ensure middle-click opens images in new tab
+	// c.f. http://code.google.com/p/chromium/issues/detail?id=255
+	if ($.browser.webkit && event.button != 0) {
+		event.stopPropagation();
+	} else {
+		return $('#chatrap').length == 0;
+	}
+}
+
+// durty hack to use a global to check this... but otherwise i'd have to rewrite the String.replace function? :/
+var LastMsgContainsImage = false
+function linkReplace(url) {
+    var lowerurl = url.toLowerCase();
+    if (lowerurl.indexOf('http://') == 0 || lowerurl.indexOf('https://') == 0 || lowerurl.indexOf('ftp://') == 0)
+        linkUrl = url;
+    else
+        linkUrl = 'http://' + url;
+
+    var uri = parseUri(url)
+    var type = getUriType(uri)
+    
+    if (type == 'image') {
+      LastMsgContainsImage = true;
+      return "<a target='_blank' href='" + linkUrl + "' class='img-wrapper' onclick='return imgClickHandler()'><img src='" + linkUrl + "' class='unbound'></a>";
+    } else if (type == 'youtube') {
+      Youtube.startAnimation();
+      return "<a target='_blank' class='youtube' href='" + linkUrl + "'>" +
+             "<img class='youtube-thumb' width='130' height='97' src='"+Youtube.nextThumbUrl(uri.queryKey.v)+"'>" + 
+             "<img class='youtube-controls' src='/static/img/youtube.controls.png'></a>"
+    } else if (type == 'midi' || type == 'wav') {
+      return '<embed src="'+linkUrl+'" loop="false" autostart="false" volume="80" width="150" height="20" style="vertical-align:bottom"> <a href="'+linkUrl+'">'+uri.file+'</a>'
+    } else
+        return "<a target='_blank' href='" + linkUrl + "'>" + url + "</a>";
+    
+}
+
+
+function getUriType(uri){
+  if (PicRegex.test(uri.file.toLowerCase()))
+    return "image";
+  
+  var domain = parseDomain(uri.host)
+  
+  if (domain == "gstatic" && uri.path == "/images" && 'q' in uri.queryKey)
+    return "image"; 
+  
+ // actual image url = uri.queryKey['q'].split(":").slice(2).join(":") but often the original image is broken...
+
+
+  if (domain == "youtube" && ('v' in uri.queryKey || uri.anchor.indexOf('v') != -1))
+    return "youtube";
+  
+  if (uri.path.substr(-4) == ".mid" || uri.path.substr(-5) == ".midi")
+    return "midi"
+
+  if (uri.path.substr(-4) == ".wav")
+    return "wav"
+
+  
+  return "link";
+}
+
+function linkifyWithoutImage(text) {
+    LastMsgContainsImage = false
+    return text.replace(URLRegex, linkReplaceWithoutImage);
+}
+
+function linkReplaceWithoutImage(url){
+    var urlWithoutParams = url.replace(/\?.*$/i, "");
+    linkUrl = url.indexOf('http://') == 0 ? url : 'http://' + url;
+
+    return "<a target='_blank' href='" + linkUrl + "'>" + url + "</a>"
+}