// $Id: ajax_vote_up_down.js,v 1.5 2006/11/24 13:18:35 frjo Exp $

Drupal.voteUpDownAutoAttach = function() {
  var vdb = [];
  $('span.vote-up-inact, span.vote-down-inact, span.vote-up-act, span.vote-down-act').each(function () {
    // Read in the path to the PHP handler
    uri = $(this).attr('title');
    // Remove the title, so no tooltip will display
    
    // remove href link
    var reset = $(this).html();
    $(this).html('');
    // Create an object with this uri. Because
    // we feed in the span as an argument, we'll be able
    // to attach events to this element.
    if (!vdb[uri]) {
      vdb[uri] = new Drupal.VDB(this, uri, null, reset);
    }
  });
  $('span.vote-up-act').each(function () {
  	$(this).attr('title', 'Unlove this');
  });
  $('span.vote-up-inact').each(function () {
  	$(this).attr('title', 'Love this');
  });
}

/**
 * A Vote DataBase object
 */
Drupal.VDB = function(elt, uri, id, reset) {
  var db = this;
  // By making the span element a property of this object,
  // we get the ability to attach behaviours to that element.
  this.elt = elt;
  this.reset = reset;
  this.add = uri;
  this.id = $(elt).attr('id');
  this.dir1 = this.id.indexOf('vote_up') > -1 ? 'up' : 'down';
  this.dir2 = this.dir1 == 'up' ? 'down' : 'up';
  this.uri = $(elt).is(".vote-up-inact") == true ? uri : reset;
  $(elt).click(function() {
    // Ajax GET request for vote data
    $.ajax({
      type: "GET",
      url: db.uri,
      success: function (data) {
        // extract the cid so we can change other elements for the same cid
        var cid = db.id.match(/[0-9]+$/);
        var pid = 'vote_points_' + cid;
        //update the voting arrows
        if($(elt).is(".vote-up-inact"))
        {
        	$('#' + db.id + '.vote-up-inact')
    	      .removeClass('vote-up-inact')
	          .addClass('vote-up-act');
	        db.uri = db.reset;
	        $('#' + db.id + '.vote-up-act').attr('title', 'Unlove this');
        }
        else if($(elt).is(".vote-up-act"))
        {
        	$('#' + db.id + '.vote-up-act')
    	      .removeClass('vote-up-act')
	          .addClass('vote-up-inact');
	        db.uri = db.add;
	        $('#' + db.id + '.vote-up-inact').attr('title', 'Love this');
        }
        // update the points
        $('#' + pid).html(data);
      },
      error: function (xmlhttp) {
        alert('An HTTP error '+ xmlhttp.status +' occured.\n'+ db.uri);
      }
    });
  });
}

// Global killswitch
if (Drupal.jsEnabled) {
  $(document).ready(Drupal.voteUpDownAutoAttach);
}