(function()
{
	function getButton(editor, type, label)
	{
		for (var i = 0; i < editor.toolbox.toolbars.length; i++)
		{
			var toolbar = editor.toolbox.toolbars[i];
			for (var j = 0; j < toolbar.items.length; j++)
			{
				var item = toolbar.items[j];
				if ((type == 'button' && item.button && item.button.label == label))
				{
					return item;
				}
			}
		}
	}
	
	CKEDITOR.vbtextcolor = {};
	
	CKEDITOR.plugins.add( 'vbtextcolor',
	{
		requires : [ 'panelbutton', 'floatpanel', 'styles' ],
	
		init : function( editor )
		{
			var config = editor.config,
				lang = editor.lang.colorButton;
			
			var clickFn;
			
			var icon;
			var arrow;
			
			editor.on('instanceReady', function(editorEvent)
				{
					var textcolorButton = getButton(editor, 'button', editor.lang.colorButton.textColorTitle);
					if (textcolorButton)
					{
						var buttonElement = CKEDITOR.document.getById(textcolorButton.id);
					
						icon = buttonElement.getChild(0);
						icon.on('click', CKEDITOR.vbtextcolor.applyLastColor, null, null, 1);
						arrow = buttonElement.getChild(2);
					}
				}, this);
	
			if ( !CKEDITOR.env.hc )
			{
				addButton( 'TextColor', 'fore', lang.textColorTitle );
				addButton( 'BGColor', 'back', lang.bgColorTitle );
			}
			
			CKEDITOR.vbtextcolor.setLastColor = function(color)
			{
				CKEDITOR.vbtextcolor.lastColor = color;
				if (arrow)
				{
					if (color)
					{
						arrow.setStyle('background-color', color);
					}
					else
					{
						arrow.removeStyle('background-color');
					}
				}
			}
			
			CKEDITOR.vbtextcolor.applyLastColor = function(event)
			{
				if (CKEDITOR.vbtextcolor.lastColor)
				{
					CKEDITOR.tools.callFunction(clickFn, CKEDITOR.vbtextcolor.lastColor, 'fore');
					event.cancel();
					event.stop();
					// preventDefault(true) is needed to stop the "Do you want to leave the page" popup from appearing in IE
					event.data.preventDefault(true);
					return false;
				}
			}
	
			function addButton( name, type, title )
			{
				var colorBoxId = CKEDITOR.tools.getNextId() + '_colorBox';
				editor.ui.add( name, CKEDITOR.UI_PANELBUTTON,
					{
						label : title,
						title : title,
						className : 'cke_button_' + name.toLowerCase(),
						modes : { wysiwyg : 1 },
	
						panel :
						{
							css : editor.skin.editor.css,
							attributes : { role : 'listbox', 'aria-label' : lang.panelTitle }
						},
	
						onBlock : function( panel, block )
						{
							block.autoSize = true;
							block.element.addClass( 'cke_colorblock' );
							block.element.setHtml( renderColors( panel, type, colorBoxId ) );
							// The block should not have scrollbars (#5933, #6056)
							block.element.getDocument().getBody().setStyle( 'overflow', 'hidden' );

							CKEDITOR.ui.fire( 'ready', this );
	
							var keys = block.keys;
							var rtl = editor.lang.dir == 'rtl';
							keys[ rtl ? 37 : 39 ]	= 'next';					// ARROW-RIGHT
							keys[ 40 ]	= 'next';					// ARROW-DOWN
							keys[ 9 ]	= 'next';					// TAB
							keys[ rtl ? 39 : 37 ]	= 'prev';					// ARROW-LEFT
							keys[ 38 ]	= 'prev';					// ARROW-UP
							keys[ CKEDITOR.SHIFT + 9 ]	= 'prev';	// SHIFT + TAB
							keys[ 32 ]	= 'click';					// SPACE
						},

						// The automatic colorbox should represent the real color (#6010)
						onOpen : function()
						{
							var selection = editor.getSelection(),
								block = selection && selection.getStartElement(),
								path = new CKEDITOR.dom.elementPath( block ),
								color;

							// Find the closest block element.
							if (editor.mode == "wysiwyg")
							{
								block = path.block || path.blockLimit || editor.document.getBody();
								// The background color might be transparent. In that case, look up the color in the DOM tree.
								do
								{
									color = block && block.getComputedStyle( type == 'back' ? 'background-color' : 'color' ) || 'transparent';
								}
								while ( type == 'back' && color == 'transparent' && block && ( block = block.getParent() ) );
							}

							// The box should never be transparent.
							if ( !color || color == 'transparent' )
								color = '#FFFFFF';

							this._.panel._.iframe.getFrameDocument().getById( colorBoxId ).setStyle( 'background-color', color );
						}
					});
			}
	
	
			function renderColors( panel, type, colorBoxId )
			{
				var output = [],
					colors = config.colorButton_colors.split( ',' ),
					total = colors.length + ( config.colorButton_enableMore ? 2 : 1 );
	
				clickFn = CKEDITOR.tools.addFunction( function( color, type )
					{
						if (color != '?')
						{
							CKEDITOR.vbtextcolor.setLastColor(color);
						}
						else
						{
							var applyColorStyle = arguments.callee;
							function onColorDialogClose( evt )
							{
								this.removeListener( 'ok', onColorDialogClose );
								this.removeListener( 'cancel', onColorDialogClose );
	
								evt.name == 'ok' && applyColorStyle( this.getContentElement( 'picker', 'selectedColor' ).getValue(), type );
							}
	
							editor.openDialog( 'colordialog', function()
							{
								this.on( 'ok', onColorDialogClose );
								this.on( 'cancel', onColorDialogClose );
							} );
	
							return;
						}
	
						editor.focus();
	
						panel.hide(false);
	
	
						editor.fire( 'saveSnapshot' );
	
						// Clean up any conflicting style within the range.
						new CKEDITOR.style( config['colorButton_' + type + 'Style'], { color : 'inherit' } ).remove( editor.document );
	
						if ( color )
						{
							var colorStyle = config['colorButton_' + type + 'Style'];
	
							colorStyle.childRule = type == 'back' ?
								function( element )
								{
									// It's better to apply background color as the innermost style. (#3599)
									// Except for "unstylable elements". (#6103)
									return isUnstylable( element );
								}
								:
								function( element )
								{
									// Fore color style must be applied inside links instead of around it. (#4772,#6908)
									return !( element.is( 'a' ) || element.getElementsByTag( 'a' ).count() ) || isUnstylable( element );
								};	
	
							new CKEDITOR.style( colorStyle, { color : color } ).apply( editor.document );
						}
	
						editor.fire( 'saveSnapshot' );
					});
	
				// Render the "Automatic" button.
				output.push(
					'<a class="cke_colorauto" _cke_focus=1 hidefocus=true' +
						' title="', lang.auto, '"' +
						' onclick="CKEDITOR.tools.callFunction(', clickFn, ',null,\'', type, '\');return false;"' +
						' href="javascript:void(\'', lang.auto, '\')"' +
						' role="option" aria-posinset="1" aria-setsize="', total, '"' + (editor.mode != 'wysiwyg' ? ' style="display:none"' : '') + '>' +
						'<table role="presentation" cellspacing=0 cellpadding=0 width="100%">' +
							'<tr>' +
								'<td>' +
									'<span class="cke_colorbox" id="', colorBoxId, '"></span>' +
								'</td>' +
								'<td colspan=7 align=center>',
									lang.auto,
								'</td>' +
							'</tr>' +
						'</table>' +
					'</a>' +
					'<table role="presentation" cellspacing=0 cellpadding=0 width="100%">' );
	
				// Render the color boxes.
				for ( var i = 0 ; i < colors.length ; i++ )
				{
					if ( ( i % 8 ) === 0 )
						output.push( '</tr><tr>' );
	
					var parts = colors[ i ].split( '/' ),
						colorName = parts[ 0 ],
						colorCode = parts[ 1 ] || colorName;
	
					// The data can be only a color code (without #) or colorName + color code
					// If only a color code is provided, then the colorName is the color with the hash
					// Convert the color from RGB to RRGGBB for better compatibility with IE and <font>. See #5676
					if (!parts[1])
						colorName = '#' + colorName.replace( /^(.)(.)(.)$/, '$1$1$2$2$3$3' );
	
					var colorLabel = editor.lang.colors[ colorCode ] || colorCode;
					output.push(
						'<td>' +
							'<a class="cke_colorbox" _cke_focus=1 hidefocus=true' +
								' title="', colorLabel, '"' +
								' onclick="CKEDITOR.tools.callFunction(', clickFn, ',\'', colorName, '\',\'', type, '\'); return false;"' +
								' href="javascript:void(\'', colorLabel, '\')"' +
								' role="option" aria-posinset="', ( i + 2 ), '" aria-setsize="', total, '">' +
								'<span class="cke_colorbox" style="background-color:#', colorCode, '"></span>' +
							'</a>' +
						'</td>' );
				}
	
				// Render the "More Colors" button.
				if ( config.colorButton_enableMore === undefined || config.colorButton_enableMore )
				{
					output.push(
						'</tr>' +
						'<tr>' +
							'<td colspan=8 align=center>' +
								'<a class="cke_colormore" _cke_focus=1 hidefocus=true' +
									' title="', lang.more, '"' +
									' onclick="CKEDITOR.tools.callFunction(', clickFn, ',\'?\',\'', type, '\');return false;"' +
									' href="javascript:void(\'', lang.more, '\')"',
									' role="option" aria-posinset="', total, '" aria-setsize="', total, '">',
									lang.more,
								'</a>' +
							'</td>' );	// tr is later in the code.
				}
	
				output.push( '</tr></table>' );
	
				return output.join( '' );
			}

			function isUnstylable( ele )
			{
				return ( ele.getAttribute( 'contentEditable' ) == 'false' ) || ele.getAttribute( 'data-nostyle' );
			}
		}
	});
	
	/**
	 * Whether to enable the "More Colors..." button in the color selectors.
	 * @default true
	 * @type Boolean
	 * @example
	 * config.colorButton_enableMore = false;
	 */
	
	/**
	 * Defines the colors to be displayed in the color selectors. It's a string
	 * containing the hexadecimal notation for HTML colors, without the "#" prefix.
	 *
	 * Since 3.3: A name may be optionally defined by prefixing the entries with the
	 * name and the slash character. For example, "FontColor1/FF9900" will be
	 * displayed as the color #FF9900 in the selector, but will be outputted as "FontColor1".
	 * @type String
	 * @default '000,800000,8B4513,2F4F4F,008080,000080,4B0082,696969,B22222,A52A2A,DAA520,006400,40E0D0,0000CD,800080,808080,F00,FF8C00,FFD700,008000,0FF,00F,EE82EE,A9A9A9,FFA07A,FFA500,FFFF00,00FF00,AFEEEE,ADD8E6,DDA0DD,D3D3D3,FFF0F5,FAEBD7,FFFFE0,F0FFF0,F0FFFF,F0F8FF,E6E6FA,FFF'
	 * @example
	 * // Brazil colors only.
	 * config.colorButton_colors = '00923E,F8C100,28166F';
	 * @example
	 * config.colorButton_colors = 'FontColor1/FF9900,FontColor2/0066CC,FontColor3/F00'
	 */
	CKEDITOR.config.colorButton_colors =
		'000,800000,8B4513,2F4F4F,008080,000080,4B0082,696969,' +
		'B22222,A52A2A,DAA520,006400,40E0D0,0000CD,800080,808080,' +
		'F00,FF8C00,FFD700,008000,0FF,00F,EE82EE,A9A9A9,' +
		'FFA07A,FFA500,FFFF00,00FF00,AFEEEE,ADD8E6,DDA0DD,D3D3D3,' +
		'FFF0F5,FAEBD7,FFFFE0,F0FFF0,F0FFFF,F0F8FF,E6E6FA,FFF';
	
	/**
	 * Holds the style definition to be used to apply the text foreground color.
	 * @type Object
	 * @example
	 * // This is basically the default setting value.
	 * config.colorButton_foreStyle =
	 *     {
	 *         element : 'span',
	 *         styles : { 'color' : '#(color)' }
	 *     };
	 */
	CKEDITOR.config.colorButton_foreStyle =
	{
		element		: 'span',
		styles		: { 'color' : '#(color)' },
		overrides	: [ { element : 'font', attributes : { 'color' : null } } ]
	};
	
	/**
	 * Holds the style definition to be used to apply the text background color.
	 * @type Object
	 * @example
	 * // This is basically the default setting value.
	 * config.colorButton_backStyle =
	 *     {
	 *         element : 'span',
	 *         styles : { 'background-color' : '#(color)' }
	 *     };
	 */
	CKEDITOR.config.colorButton_backStyle =
	{
		element		: 'span',
		styles		: { 'background-color' : '#(color)' }
	};

})();