Wordpress/wp-includes/js/plupload/wp-plupload.js

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if ( typeof wp === 'undefined' )
var wp = {};
(function( exports, $ ) {
var Uploader;
if ( typeof _wpPluploadSettings === 'undefined' )
return;
/*
* An object that helps create a WordPress uploader using plupload.
*
* @param options - object - The options passed to the new plupload instance.
* Accepts the following parameters:
* - container - The id of uploader container.
* - browser - The id of button to trigger the file select.
* - dropzone - The id of file drop target.
* - plupload - An object of parameters to pass to the plupload instance.
* - params - An object of parameters to pass to $_POST when uploading the file.
* Extends this.plupload.multipart_params under the hood.
*
* @param attributes - object - Attributes and methods for this specific instance.
*/
Uploader = function( options ) {
var self = this,
elements = {
container: 'container',
browser: 'browse_button',
dropzone: 'drop_element'
},
key;
this.supports = {
upload: Uploader.browser.supported
};
this.supported = this.supports.upload;
if ( ! this.supported )
return;
// Use deep extend to ensure that multipart_params and other objects are cloned.
this.plupload = $.extend( true, { multipart_params: {} }, Uploader.defaults );
this.container = document.body; // Set default container.
// Extend the instance with options
//
// Use deep extend to allow options.plupload to override individual
// default plupload keys.
$.extend( true, this, options );
// Proxy all methods so this always refers to the current instance.
for ( key in this ) {
if ( $.isFunction( this[ key ] ) )
this[ key ] = $.proxy( this[ key ], this );
}
// Ensure all elements are jQuery elements and have id attributes
// Then set the proper plupload arguments to the ids.
for ( key in elements ) {
if ( ! this[ key ] )
continue;
this[ key ] = $( this[ key ] ).first();
if ( ! this[ key ].length ) {
delete this[ key ];
continue;
}
if ( ! this[ key ].prop('id') )
this[ key ].prop( 'id', '__wp-uploader-id-' + Uploader.uuid++ );
this.plupload[ elements[ key ] ] = this[ key ].prop('id');
}
this.uploader = new plupload.Uploader( this.plupload );
delete this.plupload;
// Set default params and remove this.params alias.
this.param( this.params || {} );
delete this.params;
this.uploader.init();
this.supports.dragdrop = this.uploader.features.dragdrop && ! Uploader.browser.mobile;
// Generate drag/drop helper classes.
(function( dropzone, supported ) {
var timer, active;
if ( ! dropzone )
return;
dropzone.toggleClass( 'supports-drag-drop', !! supported );
if ( ! supported )
return dropzone.unbind('.wp-uploader');
// 'dragenter' doesn't fire correctly,
// simulate it with a limited 'dragover'
dropzone.bind( 'dragover.wp-uploader', function(){
if ( timer )
clearTimeout( timer );
if ( active )
return;
dropzone.addClass('drag-over');
active = true;
});
dropzone.bind('dragleave.wp-uploader, drop.wp-uploader', function(){
// Using an instant timer prevents the drag-over class from
// being quickly removed and re-added when elements inside the
// dropzone are repositioned.
//
// See http://core.trac.wordpress.org/ticket/21705
timer = setTimeout( function() {
active = false;
dropzone.removeClass('drag-over');
}, 0 );
});
}( this.dropzone, this.supports.dragdrop ));
if ( this.browser ) {
this.browser.on( 'mouseenter', this.refresh );
} else {
this.uploader.disableBrowse( true );
// If HTML5 mode, hide the auto-created file container.
$('#' + this.uploader.id + '_html5_container').hide();
}
this.uploader.bind( 'UploadProgress', function( up, file ) {
self.progress( file );
});
this.uploader.bind( 'FileUploaded', function( up, file, response ) {
try {
response = JSON.parse( response.response );
} catch ( e ) {
return self.error( pluploadL10n.default_error, e );
}
if ( ! response || ! response.type || ! response.data )
return self.error( pluploadL10n.default_error );
if ( 'error' === response.type )
return self.error( response.data.message, response.data, file );
if ( 'success' === response.type )
return self.success( response.data, file );
});
this.uploader.bind( 'Error', function( up, error ) {
var message = pluploadL10n.default_error,
key;
// Check for plupload errors.
for ( key in Uploader.errorMap ) {
if ( error.code === plupload[ key ] ) {
message = Uploader.errorMap[ key ];
break;
}
}
self.error( message, error, error.file );
up.refresh();
});
this.uploader.bind( 'FilesAdded', function( up, files ) {
$.each( files, function() {
self.added( this );
});
up.refresh();
up.start();
});
this.init();
};
// Adds the 'defaults' and 'browser' properties.
$.extend( Uploader, _wpPluploadSettings );
Uploader.uuid = 0;
Uploader.errorMap = {
'FAILED': pluploadL10n.upload_failed,
'FILE_EXTENSION_ERROR': pluploadL10n.invalid_filetype,
// 'FILE_SIZE_ERROR': '',
'IMAGE_FORMAT_ERROR': pluploadL10n.not_an_image,
'IMAGE_MEMORY_ERROR': pluploadL10n.image_memory_exceeded,
'IMAGE_DIMENSIONS_ERROR': pluploadL10n.image_dimensions_exceeded,
'GENERIC_ERROR': pluploadL10n.upload_failed,
'IO_ERROR': pluploadL10n.io_error,
'HTTP_ERROR': pluploadL10n.http_error,
'SECURITY_ERROR': pluploadL10n.security_error
};
$.extend( Uploader.prototype, {
/**
* Acts as a shortcut to extending the uploader's multipart_params object.
*
* param( key )
* Returns the value of the key.
*
* param( key, value )
* Sets the value of a key.
*
* param( map )
* Sets values for a map of data.
*/
param: function( key, value ) {
if ( arguments.length === 1 && typeof key === 'string' )
return this.uploader.settings.multipart_params[ key ];
if ( arguments.length > 1 ) {
this.uploader.settings.multipart_params[ key ] = value;
} else {
$.extend( this.uploader.settings.multipart_params, key );
}
},
init: function() {},
error: function() {},
success: function() {},
added: function() {},
progress: function() {},
complete: function() {},
refresh: function() {
this.uploader.refresh();
}
});
exports.Uploader = Uploader;
})( wp, jQuery );