Auto-select paste URL

When creating a paste, we auto-select the resulting URL so that the user
only has to press CTRL+C to copy the link.
So you basically click "SEND" then press CTRL+C.

(cherry picked from commit 3feb4641c7892eeeaff2fe61c6e153919687b9c6)

Conflicts:
	css/zerobin.css

css/zerobin.css

@@ -111,12 +111,14 @@ h3 {
 
 #pasteresult a { color: #fff; }
 
-#pasteresult button { margin-left: 11px }
+#pasteresult button { margin-left: 11px; }
 
 #deletelink { float: right; }
 
 #toolbar, #status { margin-bottom: 5px; }
 
+#copyhint { color: #666; font-size: 0.85em; }
+
 button, .button, #expiration, #language {
 	color: #fff;
 	background-color: #323b47;

js/zerobin.js

@@ -118,6 +118,7 @@ function decompress(data) {
 function zeroCipher(key, message) {
     return sjcl.encrypt(key,compress(message));
 }
+
 /**
  *  Decrypt message with key, then decompress.
  *
@@ -303,7 +304,7 @@ function send_comment(parentid) {
             showError('Could not post comment.');
         }
     });
-    }
+}
 
 /**
  *  Send a new paste to server
@@ -331,9 +332,10 @@ function send_data() {
             var deleteUrl = scriptLocation() + "?pasteid=" + data.id + '&deletetoken=' + data.deletetoken;
             showStatus('');
 
-                $('div#pastelink').html('Your paste is <a href="' + url + '">' + url + '</a>');
+            $('div#pastelink').html('Your paste is <a id="pasteurl" href="' + url + '">' + url + '</a> <span id="copyhint">(Hit CTRL+C to copy)</span>');
             $('div#deletelink').html('<a href="' + deleteUrl + '">Delete link</a>');
             $('div#pasteresult').show();
+            selectText('pasteurl'); // We pre-select the link so that the user only has to CTRL+C the link.
 
             setElementText($('div#cleartext'), $('textarea#message').val());
             setElementText($('pre#prettyprint'), $('textarea#message').val());
@@ -350,6 +352,28 @@ function send_data() {
     });
 }
 
+/** Text range selection.
+ *  From: http://stackoverflow.com/questions/985272/jquery-selecting-text-in-an-element-akin-to-highlighting-with-your-mouse
+ *  @param string element : Indentifier of the element to select (id="").
+ */
+function selectText(element) {
+    var doc = document
+        , text = doc.getElementById(element)
+        , range, selection
+    ;    
+    if (doc.body.createTextRange) { //ms
+        range = doc.body.createTextRange();
+        range.moveToElementText(text);
+        range.select();
+    } else if (window.getSelection) { //all others
+        selection = window.getSelection();        
+        range = doc.createRange();
+        range.selectNodeContents(text);
+        selection.removeAllRanges();
+        selection.addRange(range);
+    }
+}
+
 /**
  * Put the screen in "New paste" mode.
  */