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503 lines
19 KiB
JavaScript
503 lines
19 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( 'uploadwidget', {
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lang: 'cs,da,de,en,eo,fr,gl,hu,it,ko,nb,nl,pl,pt-br,ru,sv,tr,zh,zh-cn', // %REMOVE_LINE_CORE%
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requires: 'widget,clipboard,filetools,notificationaggregator',
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init: function( editor ) {
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// Images which should be changed into upload widget needs to be marked with `data-widget` on paste,
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// because otherwise wrong widget may handle upload placeholder element (e.g. image2 plugin would handle image).
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// `data-widget` attribute is allowed only in the elements which has also `data-cke-upload-id` attribute.
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editor.filter.allow( '*[!data-widget,!data-cke-upload-id]' );
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}
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} );
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/**
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* This function creates an upload widget — a placeholder to show the progress of an upload. The upload widget
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* is based on its {@link CKEDITOR.fileTools.uploadWidgetDefinition definition}. The `addUploadWidget` method also
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* creates a `paste` event, if the {@link CKEDITOR.fileTools.uploadWidgetDefinition#fileToElement fileToElement} method
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* is defined. This event helps in handling pasted files, as it will automatically check if the files were pasted and
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* mark them to be uploaded.
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*
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* The upload widget helps to handle content that is uploaded asynchronously inside the editor. It solves issues such as:
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* editing during upload, undo manager integration, getting data, removing or copying uploaded element.
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*
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* To create an upload widget you need to define two transformation methods:
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*
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* * The {@link CKEDITOR.fileTools.uploadWidgetDefinition#fileToElement fileToElement} method which will be called on
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* `paste` and transform a file into a placeholder.
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* * The {@link CKEDITOR.fileTools.uploadWidgetDefinition#onUploaded onUploaded} method with
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* the {@link CKEDITOR.fileTools.uploadWidgetDefinition#replaceWith replaceWith} method which will be called to replace
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* the upload placeholder with the final HTML when the upload is done.
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* If you want to show more information about the progress you can also define
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* the {@link CKEDITOR.fileTools.uploadWidgetDefinition#onLoading onLoading} and
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* {@link CKEDITOR.fileTools.uploadWidgetDefinition#onUploading onUploading} methods.
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*
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* The simplest uploading widget which uploads a file and creates a link to it may look like this:
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*
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* CKEDITOR.fileTools.addUploadWidget( editor, 'uploadfile', {
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* uploadUrl: CKEDITOR.fileTools.getUploadUrl( editor.config ),
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*
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* fileToElement: function( file ) {
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* var a = new CKEDITOR.dom.element( 'a' );
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* a.setText( file.name );
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* a.setAttribute( 'href', '#' );
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* return a;
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* },
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*
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* onUploaded: function( upload ) {
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* this.replaceWith( '<a href="' + upload.url + '" target="_blank">' + upload.fileName + '</a>' );
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* }
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* } );
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*
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* The upload widget uses {@link CKEDITOR.fileTools.fileLoader} as a helper to upload the file. A
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* {@link CKEDITOR.fileTools.fileLoader} instance is created when the file is pasted and a proper method is
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* called — by default it is the {@link CKEDITOR.fileTools.fileLoader#loadAndUpload} method. If you want
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* to only use the `load` or `upload`, you can use the {@link CKEDITOR.fileTools.uploadWidgetDefinition#loadMethod loadMethod}
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* property.
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*
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* Note that if you want to handle a big file, e.g. a video, you may need to use `upload` instead of
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* `loadAndUpload` because the file may be too big to load it to memory at once.
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*
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* If you do not upload the file, you need to define {@link CKEDITOR.fileTools.uploadWidgetDefinition#onLoaded onLoaded}
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* instead of {@link CKEDITOR.fileTools.uploadWidgetDefinition#onUploaded onUploaded}.
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* For example, if you want to read the content of the file:
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*
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* CKEDITOR.fileTools.addUploadWidget( editor, 'fileReader', {
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* loadMethod: 'load',
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* supportedTypes: /text\/(plain|html)/,
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*
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* fileToElement: function( file ) {
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* var el = new CKEDITOR.dom.element( 'span' );
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* el.setText( '...' );
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* return el;
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* },
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*
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* onLoaded: function( loader ) {
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* this.replaceWith( atob( loader.data.split( ',' )[ 1 ] ) );
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* }
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* } );
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*
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* If you need custom `paste` handling you need to mark the pasted element to be changed into an upload widget
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* using {@link CKEDITOR.fileTools#markElement markElement}. For example, instead of the `fileToElement` helper from the
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* example above, a `paste` listener can be created manually:
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*
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* editor.on( 'paste', function( evt ) {
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* var file, i, el, loader;
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*
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* for ( i = 0; i < evt.data.dataTransfer.getFilesCount(); i++ ) {
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* file = evt.data.dataTransfer.getFile( i );
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*
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* if ( CKEDITOR.fileTools.isTypeSupported( file, /text\/(plain|html)/ ) ) {
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* el = new CKEDITOR.dom.element( 'span' ),
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* loader = editor.uploadRepository.create( file );
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*
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* el.setText( '...' );
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*
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* loader.load();
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*
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* CKEDITOR.fileTools.markElement( el, 'filereader', loader.id );
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*
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* evt.data.dataValue += el.getOuterHtml();
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* }
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* }
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* } );
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*
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* Note that you can bind notifications to the upload widget on paste using
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* the {@link CKEDITOR.fileTools#bindNotifications} method, so notifications will automatically
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* show the progress of the upload. Because this method shows notifications about upload, do not use it if you only
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* {@link CKEDITOR.fileTools.fileLoader#load load} (and not upload) a file.
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*
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* editor.on( 'paste', function( evt ) {
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* var file, i, el, loader;
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*
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* for ( i = 0; i < evt.data.dataTransfer.getFilesCount(); i++ ) {
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* file = evt.data.dataTransfer.getFile( i );
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*
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* if ( CKEDITOR.fileTools.isTypeSupported( file, /text\/pdf/ ) ) {
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* el = new CKEDITOR.dom.element( 'span' ),
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* loader = editor.uploadRepository.create( file );
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*
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* el.setText( '...' );
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*
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* loader.upload();
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*
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* CKEDITOR.fileTools.markElement( el, 'pdfuploader', loader.id );
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*
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* CKEDITOR.fileTools.bindNotifications( editor, loader );
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*
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* evt.data.dataValue += el.getOuterHtml();
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* }
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* }
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* } );
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*
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* @member CKEDITOR.fileTools
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* @param {CKEDITOR.editor} editor The editor instance.
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* @param {String} name The name of the upload widget.
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* @param {CKEDITOR.fileTools.uploadWidgetDefinition} def Upload widget definition.
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*/
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function addUploadWidget( editor, name, def ) {
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var fileTools = CKEDITOR.fileTools,
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uploads = editor.uploadRepository,
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// Plugins which support all file type has lower priority than plugins which support specific types.
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priority = def.supportedTypes ? 10 : 20;
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if ( def.fileToElement ) {
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editor.on( 'paste', function( evt ) {
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var data = evt.data,
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dataTransfer = data.dataTransfer,
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filesCount = dataTransfer.getFilesCount(),
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loadMethod = def.loadMethod || 'loadAndUpload',
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file, i;
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if ( data.dataValue || !filesCount ) {
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return;
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}
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for ( i = 0; i < filesCount; i++ ) {
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file = dataTransfer.getFile( i );
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// No def.supportedTypes means all types are supported.
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if ( !def.supportedTypes || fileTools.isTypeSupported( file, def.supportedTypes ) ) {
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var el = def.fileToElement( file ),
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loader = uploads.create( file );
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if ( el ) {
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loader[ loadMethod ]( def.uploadUrl );
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CKEDITOR.fileTools.markElement( el, name, loader.id );
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if ( loadMethod == 'loadAndUpload' || loadMethod == 'upload' ) {
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CKEDITOR.fileTools.bindNotifications( editor, loader );
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}
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data.dataValue += el.getOuterHtml();
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}
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}
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}
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}, null, null, priority );
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}
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/**
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* This is an abstract class that describes a definition of an upload widget.
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* It is a type of {@link CKEDITOR.fileTools#addUploadWidget} method's second argument.
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*
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* Note that because the upload widget is a type of a widget, this definition extends
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* {@link CKEDITOR.plugins.widget.definition}.
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* It adds several new properties and callbacks and implements the {@link CKEDITOR.plugins.widget.definition#downcast}
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* and {@link CKEDITOR.plugins.widget.definition#init} callbacks. These two properties
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* should not be overwritten.
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*
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* Also, the upload widget definition defines a few properties ({@link #fileToElement}, {@link #supportedTypes},
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* {@link #loadMethod loadMethod} and {@link #uploadUrl}) used in the {@link CKEDITOR.editor#paste} listener
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* which is registered by {@link CKEDITOR.fileTools#addUploadWidget} if the upload widget definition contains
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* the {@link #fileToElement} callback.
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*
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* @abstract
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* @class CKEDITOR.fileTools.uploadWidgetDefinition
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* @mixins CKEDITOR.plugins.widget.definition
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*/
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CKEDITOR.tools.extend( def, {
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/**
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* Upload widget definition overwrites the {@link CKEDITOR.plugins.widget.definition#downcast} property.
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* This should not be changed.
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*
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* @property {String/Function}
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*/
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downcast: function() {
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return new CKEDITOR.htmlParser.text( '' );
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},
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/**
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* Upload widget definition overwrites the {@link CKEDITOR.plugins.widget.definition#init} property.
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* If you want to add some code in the `init` callback remember to call the base function.
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*
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* @property {Function}
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*/
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init: function() {
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var widget = this,
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id = this.wrapper.findOne( '[data-cke-upload-id]' ).data( 'cke-upload-id' ),
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loader = uploads.loaders[ id ],
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capitalize = CKEDITOR.tools.capitalize,
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oldStyle, newStyle;
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loader.on( 'update', function( evt ) {
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// Abort if widget was removed.
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if ( !widget.wrapper || !widget.wrapper.getParent() ) {
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if ( !editor.editable().find( '[data-cke-upload-id="' + id + '"]' ).count() ) {
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loader.abort();
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}
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evt.removeListener();
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return;
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}
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editor.fire( 'lockSnapshot' );
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// Call users method, eg. if the status is `uploaded` then
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// `onUploaded` method will be called, if exists.
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var methodName = 'on' + capitalize( loader.status );
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if ( typeof widget[ methodName ] === 'function' ) {
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if ( widget[ methodName ]( loader ) === false ) {
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editor.fire( 'unlockSnapshot' );
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return;
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}
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}
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// Set style to the wrapper if it still exists.
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newStyle = 'cke_upload_' + loader.status;
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if ( widget.wrapper && newStyle != oldStyle ) {
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oldStyle && widget.wrapper.removeClass( oldStyle );
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widget.wrapper.addClass( newStyle );
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oldStyle = newStyle;
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}
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// Remove widget on error or abort.
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if ( loader.status == 'error' || loader.status == 'abort' ) {
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editor.widgets.del( widget );
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}
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editor.fire( 'unlockSnapshot' );
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} );
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loader.update();
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},
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/**
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* Replaces the upload widget with the final HTML. This method should be called when the upload is done,
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* usually in the {@link #onUploaded} callback.
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*
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* @property {Function}
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* @param {String} data HTML to replace the upload widget.
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* @param {String} [mode='html'] See {@link CKEDITOR.editor#method-insertHtml}'s modes.
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*/
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replaceWith: function( data, mode ) {
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if ( data.trim() === '' ) {
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editor.widgets.del( this );
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return;
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}
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var wasSelected = ( this == editor.widgets.focused ),
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editable = editor.editable(),
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range = editor.createRange(),
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bookmark, bookmarks;
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if ( !wasSelected ) {
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bookmarks = editor.getSelection().createBookmarks();
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}
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range.setStartBefore( this.wrapper );
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range.setEndAfter( this.wrapper );
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if ( wasSelected ) {
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bookmark = range.createBookmark();
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}
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editable.insertHtmlIntoRange( data, range, mode );
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editor.widgets.checkWidgets( { initOnlyNew: true } );
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// Ensure that old widgets instance will be removed.
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// If replaceWith is called in init, because of paste then checkWidgets will not remove it.
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editor.widgets.destroy( this, true );
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if ( wasSelected ) {
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range.moveToBookmark( bookmark );
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range.select();
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} else {
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editor.getSelection().selectBookmarks( bookmarks );
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}
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}
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/**
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* If this property is defined, paste listener is created to transform the pasted file into an HTML element.
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* It creates an HTML element which will be then transformed into an upload widget.
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* It is only called for {@link #supportedTypes supported files}.
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* If multiple files were pasted, this function will be called for each file of a supported type.
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*
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* @property {Function} fileToElement
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* @param {Blob} file A pasted file to load or upload.
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* @returns {CKEDITOR.dom.element} An element which will be transformed into the upload widget.
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*/
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/**
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* Regular expression to check if the file type is supported by this widget.
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* If not defined, all files will be handled.
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*
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* @property {String} [supportedTypes]
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*/
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/**
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* The URL to which the file will be uploaded. It should be taken from the configuration using
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* {@link CKEDITOR.fileTools#getUploadUrl}.
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*
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* @property {String} [uploadUrl]
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*/
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/**
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* The type of loading operation that should be executed as a result of pasting a file. Possible options are:
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*
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* * 'loadAndUpload' – Default behavior, the {@link CKEDITOR.fileTools.fileLoader#loadAndUpload} method will be
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* executed, the file will be loaded first and uploaded immediately after loading is done.
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* * 'load' – The {@link CKEDITOR.fileTools.fileLoader#load} method will be executed. This loading type should
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* be used if you only want to load file data without uploading it.
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* * 'upload' – The {@link CKEDITOR.fileTools.fileLoader#upload} method will be executed, the file will be uploaded
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* without loading it to memory. This loading type should be used if you want to upload a big file,
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* otherwise you can get an "out of memory" error.
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*
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* @property {String} [loadMethod=loadAndUpload]
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*/
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/**
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* A function called when the {@link CKEDITOR.fileTools.fileLoader#status status} of the upload changes to `loading`.
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*
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* @property {Function} [onLoading]
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* @param {CKEDITOR.fileTools.fileLoader} loader Loader instance.
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* @returns {Boolean}
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*/
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/**
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* A function called when the {@link CKEDITOR.fileTools.fileLoader#status status} of the upload changes to `loaded`.
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*
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* @property {Function} [onLoaded]
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* @param {CKEDITOR.fileTools.fileLoader} loader Loader instance.
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* @returns {Boolean}
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*/
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/**
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* A function called when the {@link CKEDITOR.fileTools.fileLoader#status status} of the upload changes to `uploading`.
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*
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* @property {Function} [onUploading]
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* @param {CKEDITOR.fileTools.fileLoader} loader Loader instance.
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* @returns {Boolean}
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*/
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/**
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* A function called when the {@link CKEDITOR.fileTools.fileLoader#status status} of the upload changes to `uploaded`.
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* At that point the upload is done and the upload widget should be replaced with the final HTML using
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* the {@link #replaceWith} method.
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*
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* @property {Function} [onUploaded]
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* @param {CKEDITOR.fileTools.fileLoader} loader Loader instance.
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* @returns {Boolean}
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*/
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/**
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* A function called when the {@link CKEDITOR.fileTools.fileLoader#status status} of the upload changes to `error`.
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* The default behavior is to remove the widget and it can be canceled if this function returns `false`.
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*
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* @property {Function} [onError]
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* @param {CKEDITOR.fileTools.fileLoader} loader Loader instance.
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* @returns {Boolean} If `false`, the default behavior (remove widget) will be canceled.
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*/
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/**
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* A function called when the {@link CKEDITOR.fileTools.fileLoader#status status} of the upload changes to `abort`.
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* The default behavior is to remove the widget and it can be canceled if this function returns `false`.
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*
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* @property {Function} [onAbort]
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* @param {CKEDITOR.fileTools.fileLoader} loader Loader instance.
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* @returns {Boolean} If `false`, the default behavior (remove widget) will be canceled.
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*/
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} );
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editor.widgets.add( name, def );
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}
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/**
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* Marks an element which should be transformed into an upload widget.
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*
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* @see CKEDITOR.fileTools.addUploadWidget
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*
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* @member CKEDITOR.fileTools
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* @param {CKEDITOR.dom.element} element Element to be marked.
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* @param {String} widgetName The name of the upload widget.
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* @param {Number} loaderId The ID of a related {@link CKEDITOR.fileTools.fileLoader}.
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*/
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function markElement( element, widgetName, loaderId ) {
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element.setAttributes( {
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'data-cke-upload-id': loaderId,
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'data-widget': widgetName
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} );
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}
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/**
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* Binds a notification to the {@link CKEDITOR.fileTools.fileLoader file loader} so the upload widget will use
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* the notification to show the status and progress.
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* This function uses {@link CKEDITOR.plugins.notificationAggregator}, so even if multiple files are uploading
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* only one notification is shown. Warnings are an exception, because they are shown in separate notifications.
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* This notification shows only the progress of the upload, so this method should not be used if
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* the {@link CKEDITOR.fileTools.fileLoader#load loader.load} method was called. It works with
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* {@link CKEDITOR.fileTools.fileLoader#upload upload} and {@link CKEDITOR.fileTools.fileLoader#loadAndUpload loadAndUpload}.
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*
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* @member CKEDITOR.fileTools
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* @param {CKEDITOR.editor} editor The editor instance.
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* @param {CKEDITOR.fileTools.fileLoader} loader The file loader instance.
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*/
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function bindNotifications( editor, loader ) {
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var aggregator = editor._.uploadWidgetNotificaionAggregator;
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// Create one notification agregator for all types of upload widgets for the editor.
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if ( !aggregator || aggregator.isFinished() ) {
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aggregator = editor._.uploadWidgetNotificaionAggregator = new CKEDITOR.plugins.notificationAggregator(
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editor, editor.lang.uploadwidget.uploadMany, editor.lang.uploadwidget.uploadOne );
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aggregator.once( 'finished', function() {
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var tasks = aggregator.getTaskCount();
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if ( tasks === 0 ) {
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aggregator.notification.hide();
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} else {
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aggregator.notification.update( {
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message: tasks == 1 ?
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editor.lang.uploadwidget.doneOne :
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editor.lang.uploadwidget.doneMany.replace( '%1', tasks ),
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|
type: 'success',
|
|
important: 1
|
|
} );
|
|
}
|
|
} );
|
|
}
|
|
|
|
var task = aggregator.createTask( { weight: loader.total } );
|
|
|
|
loader.on( 'update', function() {
|
|
if ( task && loader.status == 'uploading' ) {
|
|
task.update( loader.uploaded );
|
|
}
|
|
} );
|
|
|
|
loader.on( 'uploaded', function() {
|
|
task && task.done();
|
|
} );
|
|
|
|
loader.on( 'error', function() {
|
|
task && task.cancel();
|
|
editor.showNotification( loader.message, 'warning' );
|
|
} );
|
|
|
|
loader.on( 'abort', function() {
|
|
task && task.cancel();
|
|
editor.showNotification( editor.lang.uploadwidget.abort, 'info' );
|
|
} );
|
|
}
|
|
|
|
// Two plugins extend this object.
|
|
if ( !CKEDITOR.fileTools ) {
|
|
CKEDITOR.fileTools = {};
|
|
}
|
|
|
|
CKEDITOR.tools.extend( CKEDITOR.fileTools, {
|
|
addUploadWidget: addUploadWidget,
|
|
markElement: markElement,
|
|
bindNotifications: bindNotifications
|
|
} );
|
|
} )();
|