js2/mwEmbed/jquery/plugins/jquery.contextMenu.js

   1 // jQuery Context Menu Plugin
   2 //
   3 // Version 1.00
   4 //
   5 // Cory S.N. LaViska
   6 // A Beautiful Site (http://abeautifulsite.net/)
   7 //
   8 // Visit http://abeautifulsite.net/notebook/80 for usage and more information
   9 //
  10 // Terms of Use
  11 //
  12 // This software is licensed under a Creative Commons License and is copyrighted
  13 // (C)2008 by Cory S.N. LaViska.
  14 //
  15 // For details, visit http://creativecommons.org/licenses/by/3.0/us/
  16 //
  17 (function($){
  18         $.extend({
  19
  20                 contextMenu: function(o, callback) {
  21                         // Defaults
  22                         if( o.menu == undefined ) return false;
  23                         if( o.inSpeed == undefined ) o.inSpeed = 150;
  24                         if( o.outSpeed == undefined ) o.outSpeed = 75;
  25                         // 0 needs to be -1 for expected results (no fade)
  26                         if( o.inSpeed == 0 ) o.inSpeed = -1;
  27                         if( o.outSpeed == 0 ) o.outSpeed = -1;
  28                         // Loop each context menu
  29                         $(this).each( function() {
  30                                 var el = $(this);
  31                                 var offset = $(el).offset();
  32                                 // Add contextMenu class
  33                                 $('#' + o.menu).addClass('contextMenu');
  34                                 // Simulate a true right click
  35                                 $(this).mousedown( function(e) {
  36                                         var evt = e;
  37                                         $(this).mouseup( function(e) {
  38                                                 var srcElement = $(this);
  39                                                 $(this).unbind('mouseup');
  40                                                 if( evt.button == 2 ) {
  41                                                         // Hide context menus that may be showing
  42                                                         $(".contextMenu").hide();
  43                                                         // Get this context menu
  44                                                         var menu = $('#' + o.menu);
  45
  46                                                         if( $(el).hasClass('disabled') ) return false;
  47
  48                                                         // Detect mouse position
  49                                                         var d = {}, x, y;
  50                                                         if( self.innerHeight ) {
  51                                                                 d.pageYOffset = self.pageYOffset;
  52                                                                 d.pageXOffset = self.pageXOffset;
  53                                                                 d.innerHeight = self.innerHeight;
  54                                                                 d.innerWidth = self.innerWidth;
  55                                                         } else if( document.documentElement &&
  56                                                                 document.documentElement.clientHeight ) {
  57                                                                 d.pageYOffset = document.documentElement.scrollTop;
  58                                                                 d.pageXOffset = document.documentElement.scrollLeft;
  59                                                                 d.innerHeight = document.documentElement.clientHeight;
  60                                                                 d.innerWidth = document.documentElement.clientWidth;
  61                                                         } else if( document.body ) {
  62                                                                 d.pageYOffset = document.body.scrollTop;
  63                                                                 d.pageXOffset = document.body.scrollLeft;
  64                                                                 d.innerHeight = document.body.clientHeight;
  65                                                                 d.innerWidth = document.body.clientWidth;
  66                                                         }
  67                                                         (e.pageX) ? x = e.pageX : x = e.clientX + d.scrollLeft;
  68                                                         (e.pageY) ? y = e.pageY : x = e.clientY + d.scrollTop;
  69
  70                                                         // Show the menu
  71                                                         $(document).unbind('click');
  72                                                         $(menu).css({ top: y, left: x }).fadeIn(o.inSpeed);
  73                                                         // Hover events
  74                                                         $(menu).find('A').mouseover( function() {
  75                                                                 $(menu).find('LI.hover').removeClass('hover');
  76                                                                 $(this).parent().addClass('hover');
  77                                                         }).mouseout( function() {
  78                                                                 $(menu).find('LI.hover').removeClass('hover');
  79                                                         });
  80
  81                                                         // Keyboard
  82                                                         $(document).keypress( function(e) {
  83                                                                 switch( e.keyCode ) {
  84                                                                         case 38: // up
  85                                                                                 if( $(menu).find('LI.hover').size() == 0 ) {
  86                                                                                         $(menu).find('LI:last').addClass('hover');
  87                                                                                 } else {
  88                                                                                         $(menu).find('LI.hover').removeClass('hover').prevAll('LI:not(.disabled)').eq(0).addClass('hover');
  89                                                                                         if( $(menu).find('LI.hover').size() == 0 ) $(menu).find('LI:last').addClass('hover');
  90                                                                                 }
  91                                                                         break;
  92                                                                         case 40: // down
  93                                                                                 if( $(menu).find('LI.hover').size() == 0 ) {
  94                                                                                         $(menu).find('LI:first').addClass('hover');
  95                                                                                 } else {
  96                                                                                         $(menu).find('LI.hover').removeClass('hover').nextAll('LI:not(.disabled)').eq(0).addClass('hover');
  97                                                                                         if( $(menu).find('LI.hover').size() == 0 ) $(menu).find('LI:first').addClass('hover');
  98                                                                                 }
  99                                                                         break;
 100                                                                         case 13: // enter
 101                                                                                 $(menu).find('LI.hover A').trigger('click');
 102                                                                         break;
 103                                                                         case 27: // esc
 104                                                                                 $(document).trigger('click');
 105                                                                         break
 106                                                                 }
 107                                                         });
 108
 109                                                         // When items are selected
 110                                                         $('#' + o.menu).find('A').unbind('click');
 111                                                         $('#' + o.menu).find('LI:not(.disabled) A').click( function() {
 112                                                                 $(document).unbind('click').unbind('keypress');
 113                                                                 $(".contextMenu").hide();
 114                                                                 // Callback
 115                                                                 if( callback ) callback( $(this).attr('href').substr(1), $(srcElement), {x: x - offset.left, y: y - offset.top, docX: x, docY: y} );
 116                                                                 return false;
 117                                                         });
 118
 119                                                         // Hide bindings
 120                                                         setTimeout( function() { // Delay for Mozilla
 121                                                                 $(document).click( function() {
 122                                                                         $(document).unbind('click').unbind('keypress');
 123                                                                         $(menu).fadeOut(o.outSpeed);
 124                                                                         return false;
 125                                                                 });
 126                                                         }, 0);
 127                                                 }
 128                                         });
 129                                 });
 130
 131                                 // Disable text selection
 132                                 if( $.browser.mozilla ) {
 133                                         $('#' + o.menu).each( function() { $(this).css({ 'MozUserSelect' : 'none' }); });
 134                                 } else if( $.browser.msie ) {
 135                                         $('#' + o.menu).each( function() { $(this).bind('selectstart.disableTextSelect', function() { return false; }); });
 136                                 } else {
 137                                         $('#' + o.menu).each(function() { $(this).bind('mousedown.disableTextSelect', function() { return false; }); });
 138                                 }
 139                                 // Disable browser context menu (requires both selectors to work in IE/Safari + FF/Chrome)
 140                                 $(el).add('UL.contextMenu').bind('contextmenu', function() { return false; });
 141
 142                         });
 143                         return $(this);
 144                 },
 145
 146                 // Disable context menu items on the fly
 147                 disableContextMenuItems: function(o) {
 148                         if( o == undefined ) {
 149                                 // Disable all
 150                                 $(this).find('LI').addClass('disabled');
 151                                 return( $(this) );
 152                         }
 153                         $(this).each( function() {
 154                                 if( o != undefined ) {
 155                                         var d = o.split(',');
 156                                         for( var i = 0; i < d.length; i++ ) {
 157                                                 $(this).find('A[href="' + d[i] + '"]').parent().addClass('disabled');
 158
 159                                         }
 160                                 }
 161                         });
 162                         return( $(this) );
 163                 },
 164
 165                 // Enable context menu items on the fly
 166                 enableContextMenuItems: function(o) {
 167                         if( o == undefined ) {
 168                                 // Enable all
 169                                 $(this).find('LI.disabled').removeClass('disabled');
 170                                 return( $(this) );
 171                         }
 172                         $(this).each( function() {
 173                                 if( o != undefined ) {
 174                                         var d = o.split(',');
 175                                         for( var i = 0; i < d.length; i++ ) {
 176                                                 $(this).find('A[href="' + d[i] + '"]').parent().removeClass('disabled');
 177
 178                                         }
 179                                 }
 180                         });
 181                         return( $(this) );
 182                 },
 183
 184                 // Disable context menu(s)
 185                 disableContextMenu: function() {
 186                         $(this).each( function() {
 187                                 $(this).addClass('disabled');
 188                         });
 189                         return( $(this) );
 190                 },
 191
 192                 // Enable context menu(s)
 193                 enableContextMenu: function() {
 194                         $(this).each( function() {
 195                                 $(this).removeClass('disabled');
 196                         });
 197                         return( $(this) );
 198                 },
 199
 200                 // Destroy context menu(s)
 201                 destroyContextMenu: function() {
 202                         // Destroy specified context menus
 203                         $(this).each( function() {
 204                                 // Disable action
 205                                 $(this).unbind('mousedown').unbind('mouseup');
 206                         });
 207                         return( $(this) );
 208                 }
 209
 210         });
 211 })(jQuery);