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/*
Copyright (c) 2003-2012, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.html or http://ckeditor.com/license
*/
/**
* @fileOverview The "sourcearea" plugin. It registers the "source" editing
* mode, which displays the raw data being edited in the editor.
*/
CKEDITOR.plugins.add( 'sourcearea',
{
requires : [ 'editingblock' ],
init : function( editor )
{
var sourcearea = CKEDITOR.plugins.sourcearea,
win = CKEDITOR.document.getWindow();
editor.on( 'editingBlockReady', function()
{
var textarea,
onResize;
editor.addMode( 'source',
{
load : function( holderElement, data )
{
if ( CKEDITOR.env.ie && CKEDITOR.env.version < 8 )
holderElement.setStyle( 'position', 'relative' );
// Create the source area <textarea>.
editor.textarea = textarea = new CKEDITOR.dom.element( 'textarea' );
textarea.setAttributes(
{
dir : 'ltr',
tabIndex : CKEDITOR.env.webkit ? -1 : editor.tabIndex,
'role' : 'textbox',
'aria-label' : editor.lang.editorTitle.replace( '%1', editor.name )
});
textarea.addClass( 'cke_source' );
textarea.addClass( 'cke_enable_context_menu' );
editor.readOnly && textarea.setAttribute( 'readOnly', 'readonly' );
var styles =
{
// IE7 has overflow the <textarea> from wrapping table cell.
width : CKEDITOR.env.ie7Compat ? '99%' : '100%',
height : '100%',
resize : 'none',
outline : 'none',
'text-align' : 'left'
};
// Having to make <textarea> fixed sized to conque the following bugs:
// 1. The textarea height/width='100%' doesn't constraint to the 'td' in IE6/7.
// 2. Unexpected vertical-scrolling behavior happens whenever focus is moving out of editor
// if text content within it has overflowed. (#4762)
if ( CKEDITOR.env.ie )
{
onResize = function()
{
// Holder rectange size is stretched by textarea,
// so hide it just for a moment.
textarea.hide();
textarea.setStyle( 'height', holderElement.$.clientHeight + 'px' );
textarea.setStyle( 'width', holderElement.$.clientWidth + 'px' );
// When we have proper holder size, show textarea again.
textarea.show();
};
editor.on( 'resize', onResize );
win.on( 'resize', onResize );
setTimeout( onResize, 0 );
}
// Reset the holder element and append the
// <textarea> to it.
holderElement.setHtml( '' );
holderElement.append( textarea );
textarea.setStyles( styles );
editor.fire( 'ariaWidget', textarea );
textarea.on( 'blur', function()
{
editor.focusManager.blur();
});
textarea.on( 'focus', function()
{
editor.focusManager.focus();
});
// The editor data "may be dirty" after this point.
editor.mayBeDirty = true;
// Set the <textarea> value.
this.loadData( data );
var keystrokeHandler = editor.keystrokeHandler;
if ( keystrokeHandler )
keystrokeHandler.attach( textarea );
setTimeout( function()
{
editor.mode = 'source';
editor.fire( 'mode', { previousMode : editor._.previousMode } );
},
( CKEDITOR.env.gecko || CKEDITOR.env.webkit ) ? 100 : 0 );
},
loadData : function( data )
{
textarea.setValue( data );
editor.fire( 'dataReady' );
},
getData : function()
{
return textarea.getValue();
},
getSnapshotData : function()
{
return textarea.getValue();
},
unload : function( holderElement )
{
textarea.clearCustomData();
editor.textarea = textarea = null;
if ( onResize )
{
editor.removeListener( 'resize', onResize );
win.removeListener( 'resize', onResize );
}
if ( CKEDITOR.env.ie && CKEDITOR.env.version < 8 )
holderElement.removeStyle( 'position' );
},
focus : function()
{
textarea.focus();
}
});
});
editor.on( 'readOnly', function()
{
if ( editor.mode == 'source' )
{
if ( editor.readOnly )
editor.textarea.setAttribute( 'readOnly', 'readonly' );
else
editor.textarea.removeAttribute( 'readOnly' );
}
});
editor.addCommand( 'source', sourcearea.commands.source );
if ( editor.ui.addButton )
{
editor.ui.addButton( 'Source',
{
label : editor.lang.source,
command : 'source'
});
}
editor.on( 'mode', function()
{
editor.getCommand( 'source' ).setState(
editor.mode == 'source' ?
CKEDITOR.TRISTATE_ON :
CKEDITOR.TRISTATE_OFF );
});
}
});
/**
* Holds the definition of commands an UI elements included with the sourcearea
* plugin.
* @example
*/
CKEDITOR.plugins.sourcearea =
{
commands :
{
source :
{
modes : { wysiwyg:1, source:1 },
editorFocus : false,
readOnly : 1,
exec : function( editor )
{
if ( editor.mode == 'wysiwyg' )
editor.fire( 'saveSnapshot' );
editor.getCommand( 'source' ).setState( CKEDITOR.TRISTATE_DISABLED );
editor.setMode( editor.mode == 'source' ? 'wysiwyg' : 'source' );
},
canUndo : false
}
}
};
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