uploading file process¶

<input type="hidden" name="file_seq" value="${view.FILE_SEQ}" />

function prepareUpload() {
    return document.getElementById('ifrmDetail').contentWindow.cmdUpload('docViewForm');
}

function cmdSave() {
    cmdDoingView(true);
    prepareUpload().done(function(){
        $.ajax({
            ...
        }).always(function(){
            cmdDoingView(false);
        });
    });
    ...

cmdDoingView(true);
prepareUpload() // file upload ajax calls ( prepareUpload return a jQuery Promise object )]
cmdDoingView(false);