Subversion-Projekte lars-tiefland.prado

Prado.WebUI.TActiveFileUpload = Base.extend(
{
        constructor : function(options)
        {
                this.options = options || {};
                Prado.WebUI.TActiveFileUpload.register(this);
                
                this.input = $(options.inputID);
                this.flag = $(options.flagID);
                this.form = $(options.formID);
                
                this.indicator = $(options.indicatorID);
                this.complete = $(options.completeID);
                this.error = $(options.errorID);
                
                // set up events
                Event.observe(this.input,"change",this.fileChanged.bind(this));
        },
        
        fileChanged:function(){
                // show the upload indicator, and hide the complete and error indicators (if they areSn't already).
                this.flag.value = '1';
                this.complete.style.display = 'none';
                this.error.style.display = 'none';
                this.indicator.style.display = '';
                
                // set the form to submit in the iframe, submit it, and then reset it.
                this.oldtargetID = this.form.target;
                this.form.target = this.options.targetID;
                this.form.submit();
                this.form.target = this.oldtargetID;
        },
        
        finishUpload:function(options){
                // hide the display indicator.
                this.flag.value = '';
                this.indicator.style.display = 'none';
                if (this.options.targetID == options.targetID){
                        // show the complete indicator.
                        if (options.errorCode == 0){
                                this.complete.style.display = '';
                                this.input.value = '';
                        } else {
                                this.error.style.display = '';
                        }
                        Prado.Callback(this.options.EventTarget, options, null, this.options);
                }
        }
},
{
// class methods
        controls : {},

        register : function(control)
        {
                Prado.WebUI.TActiveFileUpload.controls[control.options.ID] = control;
        },
        
        onFileUpload: function(options)
        {
                Prado.WebUI.TActiveFileUpload.controls[options.clientID].finishUpload(options);
        }
});