Php photo gallery TWG | JFUploader | TWG Flash upload | WFU | Forum

Hi

I'm currently using JFU on my school website. Pupils are uploading their work to me to be marked. I have two questions:

1) Is there any way that I could get a preview thumbnail of pdf files to display?

2) I need to give feedback to pupils on their work. Can I add a feature to comment on files uploaded? If not, would anyone be interested in implementing this for a fee?

Regards

1. A preview can be generated with image magick. I have never doens this but this should be easy to extend

2. How should this look like? Can you tell me how the handling should be.

- Michael

I'm not entirely sure on the best way to go about this. I would imaging, that certain users, i.e. teachers, would have the option to select a file and click a comment button. Then leave a comment on the file. I would ideally like to have some kind of versioning of files. For example:

- Pupil uploads version 1 of file
- Teacher leaves comment for improvements
- Pupils makes improvements and uploads version 2 of file
- Teachers leaves further feedback etc.

If the files are deleted - the comments are deleted.

I would like a comment box at the bottom of the current uploader, with a date, time and username of person that has commented on the file. When a file is selected, comments are displayed.

If no comment has been given, the box is empty.

- Mark

I would not include this in the flash. This is a whole workflow scenario you like/need.

A good idea would be to use the Javascript callbacks to do the commenting. The comments can then be saved to the database and even the versioning can be done there.

But this would then be a custom version you need (actually not of the flash but of the workflow.). Please contact me directly by e-mail to get in detail about this.

- Michael

about pdf preview. I implemented this for TFU already. You only need image magick support to enable this.

- Michael

Hi Michael,

I am interested in accomplishing this functionality exactly:



When files are uploaded, I would like to be able to specify some text (or pick from a dropdown of options) that will apply to all files which are then uploaded. I'm guessing this would be some type of html/php form that is on the same page as the flash uploader.

Which Javascript callback could I use to capture the specified text? How could this text then be saved to a database, as you mentioned above?

Thanks,

Frank

There are many ways you can do this.

check the help how to use callbacks in JFU:

http://www.tinywebgallery.com/en/tfu/web_jfu.php

The saver solution is always to use 2 pages because then you can validate the stuff the users e.g. selects in a dropdown (it the dropdown is mandatory).

For more complex scenarios you can use the plugin of JFU.

- Michael

Hi Michael,

I read the how-to you mentioned above, and I followed the basic example, however I am still unclear as to how I would have the Javacript callback function capture a value from a form field on the page (or a previous page), and then pass it into php so it could be recorded into a database.

If this is easy enough to demonstrate here, I would much appreciate an example, otherwise please email me if this is a bit more involved than that.

Thanks,

Frank

If you do if on a previous page you don't need to use the Callback because there use a form. On the same page you can use the callback to submit the form or Javascript (AJAX) to send it to the server...

- Michael

Hi Michael,

I have a form setup previous to the JFU component page. When the form is submitted, the page is redirected to the JFU component, with variables appended in the URL query string. The variable I am trying to capture is "fab_upload_results___album_name", and it appears clearly in the URL that the JFU component is at.

I am trying to capture this variable in the TFU_upload.php so it can be written to a database table along with other variables that are already setup and working fine (info about the writing to the database can be found in this thread: http://www.tinywebgallery.com/forum/vie ... =tfuupload ).

At this point I am just trying to successfully debug the variable, and I haven't done the extra step of writing it to the database, but that part won't be an issue. Here is the code I inserted into TFU_upload.php, near where the other variables are being set (originally for the notification email section, but modified to write to a db):



When I look at the debug info in tfu.log, I see:



This is strange, seeing as the variable is definitely in the query string of the JFU component's URL. Ideas?

This is the last step towards getting JFU to function exactly as my project(s) require, so I would definitely appreciate some assistance!

Thanks,

Frank

I believe I have found the root of the problem, but not yet a solution. To debug the issue further, I entered:



The url that appeared in tfu.log was very different from what was being displayed in the browser:



So, what I've gathered is tfu_upload.php is NOT seeing the same URL that appears in the browser window. Additionaly, I'm guessing it must have a different session from the Joomla session, as TFUSESSID seems to be assigning its own session?

How can I $_GET my variable from the Joomla session in tfu_upload.php?

Thanks,

Frank

you are on the right track - Session!

you are trying to get a request parameter! this parameter is of course not available in the session.

You have to store this in the session when you get it from your form and then read from the session in tfu_upload.php.

Like I do this with the parameters for JFU itself. It is done the same way.

- Michael

Hi Michael,

You are correct, session is the way to go! In the form previous to JFU, I was able to assign the form field to a session variable with the following code:



Back in tfu_upload.php, I could capture this variable by using $_SESSION['TourIDDD'] to pull it out of the session array. Once I had the variable, I could then write it to a database table with other variables from the session.

Thanks for your help!

-Frank

you are welcome .

- Michael