/*
   Copyright (c) 2005 Tim Taylor Consulting <http://tool-man.org/>

   Permission is hereby granted, free of charge, to any person obtaining a
   copy of this software and associated documentation files (the "Software"),
   to deal in the Software without restriction, including without limitation
   the rights to use, copy, modify, merge, publish, distribute, sublicense,
   and/or sell copies of the Software, and to permit persons to whom the
   Software is furnished to do so, subject to the following conditions:

   The above copyright notice and this permission notice shall be included
   in all copies or substantial portions of the Software.

   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
   IN THE SOFTWARE.
   */

var ToolMan = {
events : function() {
		 if (!ToolMan._eventsFactory) throw "ToolMan Events module isn't loaded";
		 return ToolMan._eventsFactory
	 },

css : function() {
	      if (!ToolMan._cssFactory) throw "ToolMan CSS module isn't loaded";
	      return ToolMan._cssFactory
      },

coordinates : function() {
		      if (!ToolMan._coordinatesFactory) throw "ToolMan Coordinates module isn't loaded";
		      return ToolMan._coordinatesFactory
	      },

drag : function() {
	       if (!ToolMan._dragFactory) throw "ToolMan Drag module isn't loaded";
	       return ToolMan._dragFactory
       },

dragsort : function() {
		   if (!ToolMan._dragsortFactory) throw "ToolMan DragSort module isn't loaded";
		   return ToolMan._dragsortFactory
	   },

helpers : function() {
		  return ToolMan._helpers
	  },

cookies : function() {
		  if (!ToolMan._cookieOven) throw "ToolMan Cookie module isn't loaded";
		  return ToolMan._cookieOven
	  },

junkdrawer : function() {
		     return ToolMan._junkdrawer
	     }

}

ToolMan._helpers = {
map : function(array, func) {
	      for (var i = 0, n = array.length; i < n; i++) func(array[i])
      },

nextItem : function(item, nodeName) {
		   if (item == null) return
			   var next = item.nextSibling
				   while (next != null) {
					   if (next.nodeName == nodeName) return next
						   next = next.nextSibling
				   }
		   return null
	   },

previousItem : function(item, nodeName) {
		       var previous = item.previousSibling
			       while (previous != null) {
				       if (previous.nodeName == nodeName) return previous
					       previous = previous.previousSibling
			       }
		       return null
	       },

moveBefore : function(item1, item2) {
		     var parent = item1.parentNode
			     parent.removeChild(item1)
			     parent.insertBefore(item1, item2)
	     },

moveAfter : function(item1, item2) {
		    var parent = item1.parentNode
			    parent.removeChild(item1)
			    parent.insertBefore(item1, item2 ? item2.nextSibling : null)
	    }
}

/** 
 * scripts without a proper home
 *
 * stuff here is subject to change unapologetically and without warning
 */
ToolMan._junkdrawer = {
serializeList : function(list) {
			var items = list.getElementsByTagName("li")
				var array = new Array()
				for (var i = 0, n = items.length; i < n; i++) {
					var item = items[i]

						array.push(ToolMan.junkdrawer()._identifier(item))
				}
			return array.join('|')
		},

inspectListOrder : function(id) {
			   alert(ToolMan.junkdrawer().serializeList(document.getElementById(id)))
		   },

submitListOrder : function(id) {
			  alert(ToolMan.junkdrawer().serializeList(document.getElementById(id)))
		  },

submitListOrderNew : function(id) {
                          return ToolMan.junkdrawer().serializeList(document.getElementById(id))
                  },

restoreListOrder : function(listID) {
			   var list = document.getElementById(listID)
				   if (list == null) return

					   var cookie = ToolMan.cookies().get("list-" + listID)
						   if (!cookie) return;

			   var IDs = cookie.split('|')
				   var items = ToolMan.junkdrawer()._itemsByID(list)

				   for (var i = 0, n = IDs.length; i < n; i++) {
					   var itemID = IDs[i]
						   if (itemID in items) {
							   var item = items[itemID]
								   list.removeChild(item)
								   list.insertBefore(item, null)
						   }
				   }
		   },

_identifier : function(item) {
		      var trim = ToolMan.junkdrawer().trim
			      var identifier

			      identifier = trim(item.getAttribute("id"))
			      if (identifier != null && identifier.length > 0) return identifier;

		      identifier = trim(item.getAttribute("itemID"))
			      if (identifier != null && identifier.length > 0) return identifier;

		      // FIXME: strip out special chars or make this an MD5 hash or something
		      return trim(item.innerHTML)
	      },

_itemsByID : function(list) {
		     var array = new Array()
			     var items = list.getElementsByTagName('li')
			     for (var i = 0, n = items.length; i < n; i++) {
				     var item = items[i]
					     array[ToolMan.junkdrawer()._identifier(item)] = item
			     }
		     return array
	     },

trim : function(text) {
	       if (text == null) return null
		       return text.replace(/^(\s+)?(.*\S)(\s+)?$/, '$2')
       }
}