add JSDocs

lib/scripts/edit.js

@@ -7,9 +7,16 @@
 
 /**
  * Creates a toolbar button through the DOM
+ * Called for each entry of toolbar definition array (built by inc/toolbar.php and extended via js)
  *
  * Style the buttons through the toolbutton class
  *
+ * @param {string} icon      image filename, relative to folder lib/images/toolbar/
+ * @param {string} label     title of button, show on mouseover
+ * @param {string} key       hint in title of button for access key
+ * @param {string} id        id of button, and '<id>_ico' of icon
+ * @param {string} classname for styling buttons
+ *
  * @author Andreas Gohr <andi@splitbrain.org>
  * @author Michal Rezler <m.rezler@centrum.cz>
  */
@@ -57,10 +64,10 @@ function createToolButton(icon,label,key,id,classname){
  * class or the picker buttons with the pickerbutton class. Picker
  * windows are appended to the body and created invisible.
  *
- * @param  string id    the ID to assign to the picker
- * @param  array  props the properties for the picker
- * @param  string edid  the ID of the textarea
- * @rteurn DOMobject    the created picker
+ * @param  {string} id    the ID to assign to the picker
+ * @param  {Array}  props the properties for the picker
+ * @param  {string} edid  the ID of the textarea
+ * @return DOMobject    the created picker
  * @author Andreas Gohr <andi@splitbrain.org>
  */
 function createPicker(id,props,edid){
@@ -126,10 +133,10 @@ function pickerInsert(text,edid){
 /**
  * Add button action for signature button
  *
- * @param  DOMElement btn   Button element to add the action to
- * @param  array      props Associative array of button properties
- * @param  string     edid  ID of the editor textarea
- * @return boolean    If button should be appended
+ * @param  {jQuery} $btn   Button element to add the action to
+ * @param  {Array}  props  Associative array of button properties
+ * @param  {string} edid   ID of the editor textarea
+ * @return {string} picker id for aria-controls attribute
  * @author Gabriel Birke <birke@d-scribe.de>
  */
 function addBtnActionSignature($btn, props, edid) {
@@ -146,6 +153,8 @@ function addBtnActionSignature($btn, props, edid) {
 /**
  * Determine the current section level while editing
  *
+ * @param {string} textboxId   ID of the text field
+ *
  * @author Andreas Gohr <gohr@cosmocode.de>
  */
 function currentHeadlineLevel(textboxId){