This event occurs before a file is uploaded. This event can be cancelled.

Adding Event: Using API

var editorId = 'synapEditor';
var editorConfig = {};
var html = '';
var editor = new SynapEditor(editorId, editorConfig, html);


editor.setEventListener('beforeUploadFile', function (e) {
});

Adding Event: Function

var editorId = 'synapEditor';
var editorConfig = {};
var html = '';

function SynapEditorBeforeUploadFile(e) {
}

new SynapEditor(editorId, editorConfig, html);

Adding Event: When the Editor is initialized

var editorId = 'synapEditor';
var editorConfig = {};
var html = '';
var eventListeners = {
    beforeUploadFile: function (e) {
    }
};

new SynapEditor(editorId, editorConfig, html, eventListeners);

Object Delivered through Functions

In the form of parameter e delivered through functions

// release 2.2.0
{
	editor: SynapEditor,
	eventType:  'beforeUploadFile',
	cancelable: true,
	returnValue: null,
	fileName: 'filename.zip' // Name of the file to upload.
}
// release 2.2.1 or above
{
	editor: SynapEditor,
	eventType:  'beforeUploadFile',
	cancelable: true,
	returnValue: null,
	fileType: 'file', // [2.2.1] File type
	fileName: 'filename.zip',
	uploadCount: 0 // [2.2.1] Number of files being uploaded (the number of files to be uploaded whose upload is not completed yet)
}