// jQuery Context Menu Plugin
//
// Version 1.00
//
// Cory S.N. LaViska
// A Beautiful Site (http://abeautifulsite.net/)
//
// Visit http://abeautifulsite.net/notebook/80 for usage and more information
//
// Terms of Use
//
// This software is licensed under a Creative Commons License and is copyrighted
// (C)2008 by Cory S.N. LaViska.
//
// For details, visit http://creativecommons.org/licenses/by/3.0/us/
//
// Modified 11NOV08 By Bill Beckelman to include option to use left mouse button instead.

if (jQuery) (function() {
  $.extend($.fn, {

    contextMenu: function(o, callback) {
      // Defaults
      if (o.menu == undefined) return false;
      if (o.inSpeed == undefined) o.inSpeed = 1;
      if (o.outSpeed == undefined) o.outSpeed = 1;
      if (o.leftButton == undefined) o.leftButton = false;
      // 0 needs to be -1 for expected results (no fade)
      if (o.inSpeed == 0) o.inSpeed = -1;
      if (o.outSpeed == 0) o.outSpeed = -1;
      // Loop each context menu
      $(this).each(function() {
        var el = $(this);
        var offset = $(el).offset();
        // Add contextMenu class
        $('#' + o.menu).addClass('contextMenu');
        // Simulate a true right click
        $(this).mousedown(function(e) {
          var evt = e;
          $(this).mouseup(function(e) {
            var srcElement = $(this);
            $(this).unbind('mouseup');
            if (evt.button == 2 || o.leftButton == true) {
              // Hide context menus that may be showing
              $(".contextMenu").hide();
              // Get this context menu
              var menu = $('#' + o.menu);

              if ($(el).hasClass('disabled')) return false;

              // Detect mouse position
              var d = {}, x, y;
              if (self.innerHeight) {
                d.pageYOffset = self.pageYOffset;
                d.pageXOffset = self.pageXOffset;
                d.innerHeight = self.innerHeight;
                d.innerWidth = self.innerWidth;
              } else if (document.documentElement &&
								document.documentElement.clientHeight) {
                d.pageYOffset = document.documentElement.scrollTop;
                d.pageXOffset = document.documentElement.scrollLeft;
                d.innerHeight = document.documentElement.clientHeight;
                d.innerWidth = document.documentElement.clientWidth;
              } else if (document.body) {
                d.pageYOffset = document.body.scrollTop;
                d.pageXOffset = document.body.scrollLeft;
                d.innerHeight = document.body.clientHeight;
                d.innerWidth = document.body.clientWidth;
              }
              (e.pageX) ? x = e.pageX : x = e.clientX + d.scrollLeft;
              (e.pageY) ? y = e.pageY : x = e.clientY + d.scrollTop;


              var qaz = document.getElementById(o.menu);
              if (qaz != null && (qaz.id == "PrinterContextMenu" || qaz.id == "LocationContextMenu")) {
                x = x - 25;
              }

              if (qaz.id == 'PanelLocationContextMenu') {
                x = x - 150;
                y = y - 75;
              }



              // Show the menu
              $(document).unbind('click');
              $(menu).css({ top: y, left: x }).fadeIn(o.inSpeed);

              // Hover events
              $(menu).find('A').mouseover(function() {
                $(menu).find('LI.hover').removeClass('hover');
                $(this).parent().addClass('hover');
              }).mouseout(function() {
                $(menu).find('LI.hover').removeClass('hover');
              });

              // Keyboard
              $(document).keypress(function(e) {
                switch (e.keyCode) {
                  case 38: // up
                    if ($(menu).find('LI.hover').size() == 0) {
                      $(menu).find('LI:last').addClass('hover');
                    } else {
                      $(menu).find('LI.hover').removeClass('hover').prevAll('LI:not(.disabled)').eq(0).addClass('hover');
                      if ($(menu).find('LI.hover').size() == 0) $(menu).find('LI:last').addClass('hover');
                    }
                    break;
                  case 40: // down
                    if ($(menu).find('LI.hover').size() == 0) {
                      $(menu).find('LI:first').addClass('hover');
                    } else {
                      $(menu).find('LI.hover').removeClass('hover').nextAll('LI:not(.disabled)').eq(0).addClass('hover');
                      if ($(menu).find('LI.hover').size() == 0) $(menu).find('LI:first').addClass('hover');
                    }
                    break;
                  case 13: // enter
                    $(menu).find('LI.hover A').trigger('click');
                    break;
                  case 27: // esc
                    $(document).trigger('click');
                    break
                }
              });

              // When items are selected
              $('#' + o.menu).find('A').unbind('click');
              $('#' + o.menu).find('LI:not(.disabled) A').click(function() {
                $(document).unbind('click').unbind('keypress');
                $(".contextMenu").hide();
                // Callback
                if (callback) callback($(this).attr('href').substr(1), $(srcElement), { x: x - offset.left, y: y - offset.top, docX: x, docY: y });
                return false;
              });

              // Hide bindings
              setTimeout(function() { // Delay for Mozilla
                $(document).click(function() {
                  $(document).unbind('click').unbind('keypress');
                  $(menu).fadeOut(o.outSpeed);
                  return false;
                });
              }, 0);
            }
          });
        });

        // Disable text selection
        if ($.browser.mozilla) {
          $('#' + o.menu).each(function() { $(this).css({ 'MozUserSelect': 'none' }); });
        } else if ($.browser.msie) {
          $('#' + o.menu).each(function() { $(this).bind('selectstart.disableTextSelect', function() { return false; }); });
        } else {
          $('#' + o.menu).each(function() { $(this).bind('mousedown.disableTextSelect', function() { return false; }); });
        }
        // Disable browser context menu (requires both selectors to work in IE/Safari + FF/Chrome)
        $(el).add('UL.contextMenu').bind('contextmenu', function() { return false; });

      });
      return $(this);
    },

    // Disable context menu items on the fly
    disableContextMenuItems: function(o) {
      if (o == undefined) {
        // Disable all
        $(this).find('LI').addClass('disabled');
        return ($(this));
      }
      $(this).each(function() {
        if (o != undefined) {
          var d = o.split(',');
          for (var i = 0; i < d.length; i++) {
            $(this).find('A[href="' + d[i] + '"]').parent().addClass('disabled');

          }
        }
      });
      return ($(this));
    },

    // Enable context menu items on the fly
    enableContextMenuItems: function(o) {
      if (o == undefined) {
        // Enable all
        $(this).find('LI.disabled').removeClass('disabled');
        return ($(this));
      }
      $(this).each(function() {
        if (o != undefined) {
          var d = o.split(',');
          for (var i = 0; i < d.length; i++) {
            $(this).find('A[href="' + d[i] + '"]').parent().removeClass('disabled');

          }
        }
      });
      return ($(this));
    },

    // Disable context menu(s)
    disableContextMenu: function() {
      $(this).each(function() {
        $(this).addClass('disabled');
      });
      return ($(this));
    },

    // Enable context menu(s)
    enableContextMenu: function() {
      $(this).each(function() {
        $(this).removeClass('disabled');
      });



      return ($(this));
    },

    // Destroy context menu(s)
    destroyContextMenu: function() {
      // Destroy specified context menus
      $(this).each(function() {
        // Disable action
        $(this).unbind('mousedown').unbind('mouseup');
      });
      return ($(this));
    }

  });
})(jQuery);