mailiverse/web/WebContent/ckeditor/_source/plugins/justify/plugin.js

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2013-07-21 13:40:17 -04:00
/*
Copyright (c) 2003-2012, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.html or http://ckeditor.com/license
*/
/**
* @file Justify commands.
*/
(function()
{
function getAlignment( element, useComputedState )
{
useComputedState = useComputedState === undefined || useComputedState;
var align;
if ( useComputedState )
align = element.getComputedStyle( 'text-align' );
else
{
while ( !element.hasAttribute || !( element.hasAttribute( 'align' ) || element.getStyle( 'text-align' ) ) )
{
var parent = element.getParent();
if ( !parent )
break;
element = parent;
}
align = element.getStyle( 'text-align' ) || element.getAttribute( 'align' ) || '';
}
// Sometimes computed values doesn't tell.
align && ( align = align.replace( /(?:-(?:moz|webkit)-)?(?:start|auto)/i, '' ) );
!align && useComputedState && ( align = element.getComputedStyle( 'direction' ) == 'rtl' ? 'right' : 'left' );
return align;
}
function onSelectionChange( evt )
{
if ( evt.editor.readOnly )
return;
evt.editor.getCommand( this.name ).refresh( evt.data.path );
}
function justifyCommand( editor, name, value )
{
this.editor = editor;
this.name = name;
this.value = value;
var classes = editor.config.justifyClasses;
if ( classes )
{
switch ( value )
{
case 'left' :
this.cssClassName = classes[0];
break;
case 'center' :
this.cssClassName = classes[1];
break;
case 'right' :
this.cssClassName = classes[2];
break;
case 'justify' :
this.cssClassName = classes[3];
break;
}
this.cssClassRegex = new RegExp( '(?:^|\\s+)(?:' + classes.join( '|' ) + ')(?=$|\\s)' );
}
}
function onDirChanged( e )
{
var editor = e.editor;
var range = new CKEDITOR.dom.range( editor.document );
range.setStartBefore( e.data.node );
range.setEndAfter( e.data.node );
var walker = new CKEDITOR.dom.walker( range ),
node;
while ( ( node = walker.next() ) )
{
if ( node.type == CKEDITOR.NODE_ELEMENT )
{
// A child with the defined dir is to be ignored.
if ( !node.equals( e.data.node ) && node.getDirection() )
{
range.setStartAfter( node );
walker = new CKEDITOR.dom.walker( range );
continue;
}
// Switch the alignment.
var classes = editor.config.justifyClasses;
if ( classes )
{
// The left align class.
if ( node.hasClass( classes[ 0 ] ) )
{
node.removeClass( classes[ 0 ] );
node.addClass( classes[ 2 ] );
}
// The right align class.
else if ( node.hasClass( classes[ 2 ] ) )
{
node.removeClass( classes[ 2 ] );
node.addClass( classes[ 0 ] );
}
}
// Always switch CSS margins.
var style = 'text-align';
var align = node.getStyle( style );
if ( align == 'left' )
node.setStyle( style, 'right' );
else if ( align == 'right' )
node.setStyle( style, 'left' );
}
}
}
justifyCommand.prototype = {
exec : function( editor )
{
var selection = editor.getSelection(),
enterMode = editor.config.enterMode;
if ( !selection )
return;
var bookmarks = selection.createBookmarks(),
ranges = selection.getRanges( true );
var cssClassName = this.cssClassName,
iterator,
block;
var useComputedState = editor.config.useComputedState;
useComputedState = useComputedState === undefined || useComputedState;
for ( var i = ranges.length - 1 ; i >= 0 ; i-- )
{
iterator = ranges[ i ].createIterator();
iterator.enlargeBr = enterMode != CKEDITOR.ENTER_BR;
while ( ( block = iterator.getNextParagraph( enterMode == CKEDITOR.ENTER_P ? 'p' : 'div' ) ) )
{
block.removeAttribute( 'align' );
block.removeStyle( 'text-align' );
// Remove any of the alignment classes from the className.
var className = cssClassName && ( block.$.className =
CKEDITOR.tools.ltrim( block.$.className.replace( this.cssClassRegex, '' ) ) );
var apply =
( this.state == CKEDITOR.TRISTATE_OFF ) &&
( !useComputedState || ( getAlignment( block, true ) != this.value ) );
if ( cssClassName )
{
// Append the desired class name.
if ( apply )
block.addClass( cssClassName );
else if ( !className )
block.removeAttribute( 'class' );
}
else if ( apply )
block.setStyle( 'text-align', this.value );
}
}
editor.focus();
editor.forceNextSelectionCheck();
selection.selectBookmarks( bookmarks );
},
refresh : function( path )
{
var firstBlock = path.block || path.blockLimit;
this.setState( firstBlock.getName() != 'body' &&
getAlignment( firstBlock, this.editor.config.useComputedState ) == this.value ?
CKEDITOR.TRISTATE_ON :
CKEDITOR.TRISTATE_OFF );
}
};
CKEDITOR.plugins.add( 'justify',
{
init : function( editor )
{
var left = new justifyCommand( editor, 'justifyleft', 'left' ),
center = new justifyCommand( editor, 'justifycenter', 'center' ),
right = new justifyCommand( editor, 'justifyright', 'right' ),
justify = new justifyCommand( editor, 'justifyblock', 'justify' );
editor.addCommand( 'justifyleft', left );
editor.addCommand( 'justifycenter', center );
editor.addCommand( 'justifyright', right );
editor.addCommand( 'justifyblock', justify );
editor.ui.addButton( 'JustifyLeft',
{
label : editor.lang.justify.left,
command : 'justifyleft'
} );
editor.ui.addButton( 'JustifyCenter',
{
label : editor.lang.justify.center,
command : 'justifycenter'
} );
editor.ui.addButton( 'JustifyRight',
{
label : editor.lang.justify.right,
command : 'justifyright'
} );
editor.ui.addButton( 'JustifyBlock',
{
label : editor.lang.justify.block,
command : 'justifyblock'
} );
editor.on( 'selectionChange', CKEDITOR.tools.bind( onSelectionChange, left ) );
editor.on( 'selectionChange', CKEDITOR.tools.bind( onSelectionChange, right ) );
editor.on( 'selectionChange', CKEDITOR.tools.bind( onSelectionChange, center ) );
editor.on( 'selectionChange', CKEDITOR.tools.bind( onSelectionChange, justify ) );
editor.on( 'dirChanged', onDirChanged );
},
requires : [ 'domiterator' ]
});
})();
/**
* List of classes to use for aligning the contents. If it's null, no classes will be used
* and instead the corresponding CSS values will be used. The array should contain 4 members, in the following order: left, center, right, justify.
* @name CKEDITOR.config.justifyClasses
* @type Array
* @default null
* @example
* // Use the classes 'AlignLeft', 'AlignCenter', 'AlignRight', 'AlignJustify'
* config.justifyClasses = [ 'AlignLeft', 'AlignCenter', 'AlignRight', 'AlignJustify' ];
*/