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/**
* @license Copyright (c) 2003-2014, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or http://ckeditor.com/license
*/
/**
* @fileOverview 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 justifyCommand( editor, name, value ) {
this.editor = editor;
this.name = name;
this.value = value;
this.context = 'p';
var classes = editor.config.justifyClasses,
blockTag = editor.config.enterMode == CKEDITOR.ENTER_P ? 'p' : 'div';
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)' );
this.requiredContent = blockTag + '(' + this.cssClassName + ')';
}
else
this.requiredContent = blockTag + '{text-align}';
this.allowedContent = {
'caption div h1 h2 h3 h4 h5 h6 p pre td th li': {
// Do not add elements, but only text-align style if element is validated by other rule.
propertiesOnly: true,
styles: this.cssClassName ? null : 'text-align',
classes: this.cssClassName || null
}
};
// In enter mode BR we need to allow here for div, because when non other
// feature allows div justify is the only plugin that uses it.
if ( editor.config.enterMode == CKEDITOR.ENTER_BR )
this.allowedContent.div = true;
}
function onDirChanged( e ) {
var editor = e.editor;
var range = editor.createRange();
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();
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' ) ) ) {
if ( block.isReadOnly() )
continue;
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( editor, 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', {
lang: 'af,ar,bg,bn,bs,ca,cs,cy,da,de,el,en,en-au,en-ca,en-gb,eo,es,et,eu,fa,fi,fo,fr,fr-ca,gl,gu,he,hi,hr,hu,id,is,it,ja,ka,km,ko,ku,lt,lv,mk,mn,ms,nb,nl,no,pl,pt,pt-br,ro,ru,si,sk,sl,sq,sr,sr-latn,sv,th,tr,tt,ug,uk,vi,zh,zh-cn', // %REMOVE_LINE_CORE%
icons: 'justifyblock,justifycenter,justifyleft,justifyright', // %REMOVE_LINE_CORE%
hidpi: true, // %REMOVE_LINE_CORE%
init: function( editor ) {
if ( editor.blockless )
return;
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 );
if ( editor.ui.addButton ) {
editor.ui.addButton( 'JustifyLeft', {
label: editor.lang.justify.left,
command: 'justifyleft',
toolbar: 'align,10'
} );
editor.ui.addButton( 'JustifyCenter', {
label: editor.lang.justify.center,
command: 'justifycenter',
toolbar: 'align,20'
} );
editor.ui.addButton( 'JustifyRight', {
label: editor.lang.justify.right,
command: 'justifyright',
toolbar: 'align,30'
} );
editor.ui.addButton( 'JustifyBlock', {
label: editor.lang.justify.block,
command: 'justifyblock',
toolbar: 'align,40'
} );
}
editor.on( 'dirChanged', onDirChanged );
}
} );
} )();
/**
* 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.
*
* // Use the classes 'AlignLeft', 'AlignCenter', 'AlignRight', 'AlignJustify'
* config.justifyClasses = [ 'AlignLeft', 'AlignCenter', 'AlignRight', 'AlignJustify' ];
*
* @cfg {Array} [justifyClasses=null]
* @member CKEDITOR.config
*/
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