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