Ver Mensaje Individual
  #17 (permalink)  
Antiguo 28/08/2011, 15:05
Avatar de emilianocepa
emilianocepa
 
Fecha de Ingreso: mayo-2007
Mensajes: 45
Antigüedad: 17 años, 5 meses
Puntos: 2
Respuesta: Subir, reducir y vista previa de una imagen con AJAX - Ejemplo completo

De primera¡¡¡¡ funciono perfecto, subo el codigo con los cambios para qeu funcione en mozilla:

Código:
 var loadingHtml = "Cargando..."; // this could be an animated image
      var imageLoadingHtml = "Imagen Cargada...";
    	var http = getXMLHTTPRequest();
      //----------------------------------------------------------------
    	function uploadImage() {
        var uploadedImageFrame = window.uploadedImage;
    	  uploadedImageFrame.document.body.innerHTML = loadingHtml;
    	  // VALIDATE FILE
        var imagePath = uploadedImageFrame.imagePath;
        if(imagePath != null){
          //imageForm.oldImageToDelete.value = imagePath;
		  document.getElementById('imageForm').oldImageToDelete.value = imagePath;
        }
        
      //imageForm.submit();
	   document.getElementById('imageForm').submit();
      }
      //----------------------------------------------------------------
      function showImageUploadStatus() {
        var uploadedImageFrame = window.uploadedImage;
        if(uploadedImageFrame.document.body.innerHTML == loadingHtml){
          divResult.innerHTML = imageLoadingHtml;
        }
        else {
          var imagePath = uploadedImageFrame.imagePath;
          if(imagePath == null){
            divResult.innerHTML = "No uploaded image in this form.";
          }
          else {
            divResult.innerHTML = "Loaded image: " + imagePath;
          }
        }
      }
      //----------------------------------------------------------------
      function getXMLHTTPRequest() {
      	try {
        	xmlHttpRequest = new XMLHttpRequest();
      	}
      	catch(error1) {
        	try {
          	xmlHttpRequest = new ActiveXObject("Msxml2.XMLHTTP");
          }
          catch(error2) {
      	    try {
      		    xmlHttpRequest = new ActiveXObject("Microsoft.XMLHTTP");
      	    }
      	    catch(error3) {
      		    xmlHttpRequest = false;
      	    }
          }
        }
        return xmlHttpRequest;
      }
      //----------------------------------------------------------------
      function sendData() {
      	var url = "submitForm.php";
        var parameters = "imageDescription=" + dataForm.imageDescription.value;
        var imagePath = window.uploadedImage.imagePath;
        if(imagePath != null){
          parameters += "&uploadedImagePath=" + imagePath;
        }
        
      	http.open("POST", url, true);
    
        http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
        http.setRequestHeader("Content-length", parameters.length);
        http.setRequestHeader("Connection", "close");
    
      	http.onreadystatechange = useHttpResponse;
      	http.send(parameters);
      }
      //----------------------------------------------------------------
      function submitFormIfNotImageLoading(maxLoadingTime, checkingIntervalTime) {
        if(window.uploadedImage.document.body.innerHTML == loadingHtml) {
          if(maxLoadingTime <= 0) {
            divResult.innerHTML = "The image loading has timed up. "
                                + "Please, try again when the image is loaded.";
          }
          else {
            divResult.innerHTML = imageLoadingHtml;
            maxLoadingTime = maxLoadingTime - checkingIntervalTime;
            var recursiveCall = "submitFormIfNotImageLoading(" 
                              + maxLoadingTime + ", " + checkingIntervalTime + ")";
            setTimeout(recursiveCall, checkingIntervalTime);
          }
        }
        else {
          sendData();
        }
      }
    	//----------------------------------------------------------------
      function submitForm() {
        var maxLoadingTime = 3000; // milliseconds
        var checkingIntervalTime = 500; // milliseconds
        submitFormIfNotImageLoading(maxLoadingTime, checkingIntervalTime);
      }
      //----------------------------------------------------------------
      function useHttpResponse() {
      	if (http.readyState == 4) {
        	if (http.status == 200) {
          	divResult.innerHTML = http.responseText;
          	dataForm.reset();
          	//imageForm.reset();
			document.getElementById('imageForm').reset();
          	window.uploadedImage.document.body.innerHTML = "";
          	window.uploadedImage.imagePath = null;
        	}
      	}
      }
Una duda para que las imagenes me queden centradas en el iFrame como puedo solucionarlo.... Gracias