wiki -> ukulele

1 files changed, 129 insertions, 0 deletions

diff --git a/ukulele.js b/ukulele.js
new file mode 100644
index 0000000..1d47062
--- /dev/null
+++ b/ukulele.js
@@ -0,0 +1,129 @@
+function insert(text) {
+  var t = document.getElementsByName('t')[0];
+  if(!t) return;
+  if(t.selectionStart || t.selectionStart == '0') {
+    var pos = t.selectionStart;
+    var end = t.selectionEnd;
+    t.value = t.value.substring(0, pos) + text + t.value.substring(end, t.value.length);
+  }
+  t.focus();
+  var cpos = t.selectionStart;
+  t.setSelectionRange(cpos, cpos);
+}
+
+function wrap(prefix, postfix) {
+  var t = document.getElementsByName('t')[0];
+  if(!t) return;
+  if(t.selectionStart || t.selectionStart == '0') {
+    var pos = t.selectionStart;
+    var end = t.selectionEnd;
+    var n = t.value.indexOf("\n", pos);
+    if(n > 0 && n < end) end = n;
+    t.value = t.value.substring(0, pos) + prefix + t.value.substring(pos, end) + postfix + t.value.substring(end, t.value.length);
+  }
+  t.focus();
+  var cpos = t.selectionEnd + prefix.length + postfix.length;
+  t.setSelectionRange(cpos, cpos);
+}
+
+function prepend(text) {
+  var t = document.getElementsByName('t')[0];
+  if(!t) return;
+  if(t.selectionStart || t.selectionStart == '0') {
+    var pos = t.selectionStart;
+    var end = t.selectionEnd;
+    for(;pos < end; pos++) {
+      if(t.value.charAt(pos) != "\n") break;
+    }
+    for(;end > pos; end--) {
+      if(t.value.charAt(end - 1) != "\n") break;
+    }
+    var quote = "";
+    var cpos = end;
+    if(t.value.charAt(pos - 1) != "\n") {
+      quote += "\n";
+      cpos += 1;
+    }
+    if(pos == end) {
+      quote += text;
+      cpos += text.length;
+    } else {
+      var lines = t.value.substring(pos, end).split("\n");
+      for(var i=0; i < lines.length; i++) {
+        quote += text + lines[i] + "\n";
+        cpos += text.length;
+      }
+      quote = quote.slice(0, -1);
+    }
+    t.value = t.value.substring(0, pos) + quote + t.value.substring(end, t.value.length);
+  }
+  t.focus();
+  t.setSelectionRange(cpos, cpos);
+}
+
+function marxup_bold(e) {
+  wrap("*", "*");
+}
+
+function marxup_header(e) {
+  prepend("= ");
+}
+
+function marxup_italics(e) {
+  wrap("_", "_");
+}
+
+function marxup_link(e) {
+  wrap("[", "]");
+}
+
+function marxup_quote(e) {
+  prepend("> ");
+}
+
+function marxup_list(e) {
+  prepend("* ");
+}
+
+function button(node, html, fun) {
+  var a = document.createElement("a");
+  a.innerHTML = html;
+  a.href = "#";
+  a.onclick = fun;
+  node.parentNode.insertBefore(a, node.nextSibling);
+}
+
+function orz(src) {
+  insert("\n@" + src.replace(".t.jpg", "") + "\n");
+}
+
+document.addEventListener("DOMContentLoaded", function(e) {
+  var title = document.getElementsByTagName('h1')[0];
+  var headers = document.getElementsByTagName("h2");
+  if(headers.length > 0) {
+    var menu = document.createElement("div"); menu.className = 'magisk meny';
+    for(var i = 0; i < headers.length; i++) {
+      var a = document.createElement("a");
+      var id = "h-" + i; headers[i].id = id; a.href = "#" + id;
+      a.textContent = headers[i].textContent;
+      menu.appendChild(a);
+      menu.appendChild(document.createElement("br"));
+    }
+    title.parentNode.insertBefore(menu, title.nextSibling);
+  }
+
+  var orz = document.getElementById('orz');
+  if(orz) {
+    orz.onclick = function(e) {
+      window.open("/orz");
+      return false;
+    }
+    button(orz, "> sitat", marxup_quote);
+    button(orz, "* liste", marxup_list);
+    button(orz, "[lenke]", marxup_link);
+    button(orz, "<i>_kursiv_</i>", marxup_italics);
+    button(orz, "<b>*fet*</b>", marxup_bold);
+    button(orz, "= overskrift", marxup_header);
+  }
+});
+