egroupware/phpgwapi/js/ckeditor/plugins/uploadimage/plugin.js
2015-08-06 14:52:25 +00:00

123 lines
3.6 KiB
JavaScript

/**
* @license Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or http://ckeditor.com/license
*/
'use strict';
( function() {
CKEDITOR.plugins.add( 'uploadimage', {
requires: 'uploadwidget',
onLoad: function() {
CKEDITOR.addCss(
'.cke_upload_uploading img{' +
'opacity: 0.3' +
'}'
);
},
init: function( editor ) {
// Do not execute this paste listener if it will not be possible to upload file.
if ( !CKEDITOR.plugins.clipboard.isFileApiSupported ) {
return;
}
var fileTools = CKEDITOR.fileTools,
uploadUrl = fileTools.getUploadUrl( editor.config, 'image' );
if ( !uploadUrl ) {
window.console && window.console.log(
'Error: Upload URL for the Upload Image feature was not defined. ' +
'For more information see: http://docs.ckeditor.com/#!/guide/dev_file_upload'
);
return;
}
// Handle images which are available in the dataTransfer.
fileTools.addUploadWidget( editor, 'uploadimage', {
supportedTypes: /image\/(jpeg|png|gif)/,
uploadUrl: uploadUrl,
fileToElement: function() {
var img = new CKEDITOR.dom.element( 'img' );
img.setAttribute( 'src', loadingImage );
return img;
},
parts: {
img: 'img'
},
onUploading: function( upload ) {
// Show the image during the upload.
this.parts.img.setAttribute( 'src', upload.data );
},
onUploaded: function( upload ) {
// Set width and height to prevent blinking.
this.replaceWith( '<img src="' + upload.url + '" ' +
'width="' + this.parts.img.$.naturalWidth + '" ' +
'height="' + this.parts.img.$.naturalHeight + '">' );
}
} );
// Handle images which are not available in the dataTransfer.
// This means that we need to read them from the <img src="data:..."> elements.
editor.on( 'paste', function( evt ) {
// For performance reason do not parse data if it does not contain img tag and data attribute.
if ( !evt.data.dataValue.match( /<img[\s\S]+data:/i ) ) {
return;
}
var data = evt.data,
// Prevent XSS attacks.
tempDoc = document.implementation.createHTMLDocument( '' ),
temp = new CKEDITOR.dom.element( tempDoc.body ),
imgs, img, i;
// Without this isReadOnly will not works properly.
temp.data( 'cke-editable', 1 );
temp.appendHtml( data.dataValue );
imgs = temp.find( 'img' );
for ( i = 0; i < imgs.count(); i++ ) {
img = imgs.getItem( i );
// Image have to contain src=data:...
var isDataInSrc = img.getAttribute( 'src' ) && img.getAttribute( 'src' ).substring( 0, 5 ) == 'data:',
isRealObject = img.data( 'cke-realelement' ) === null;
// We are not uploading images in non-editable blocs and fake objects (#13003).
if ( isDataInSrc && isRealObject && !img.data( 'cke-upload-id' ) && !img.isReadOnly( 1 ) ) {
var loader = editor.uploadRepository.create( img.getAttribute( 'src' ) );
loader.upload( uploadUrl );
fileTools.markElement( img, 'uploadimage', loader.id );
fileTools.bindNotifications( editor, loader );
}
}
data.dataValue = temp.getHtml();
} );
}
} );
// jscs:disable maximumLineLength
// Black rectangle which is shown before image is loaded.
var loadingImage = 'data:image/gif;base64,R0lGODlhDgAOAIAAAAAAAP///yH5BAAAAAAALAAAAAAOAA4AAAIMhI+py+0Po5y02qsKADs=';
// jscs:enable maximumLineLength
/**
* The URL where images should be uploaded.
*
* @since 4.5
* @cfg {String} [imageUploadUrl='' (empty string = disabled)]
* @member CKEDITOR.config
*/
} )();