Validating HTML Source Using Form API

Pummy

Hi ,

I have following Requirement:

I have a Textarea which captures some HTML Source. This is a VF Item. My Requirement is to validate the Content of this HTML source on Save Event.

Some of Requiremnets are like:

1. Some tags like <BR> <IMG> <HR> should be auto replaced with <BR/> <IMG/> anf <HR/> and so on.. which can be done using pattern mathching and replacement of string in VF Item.

2. Pop - Up the User with a HTML or Some interactive way so that he can enter alt="" tag if he has missed in alt tag in <IMG src=""/> Tag. [ Preferabbly Text Box. And set this new alt value with new html source like <IMG src="" ALT="VALUE"/>.

3. Some Automatic deletion tags like <maquee> etc.

So.. to achive this over all functionality in templating how do i go about it.

I have already tried implementing some basic tag replacements like <b> with <strong> in VF Item source. But i am worried about my requiremnet no 2 . Which seems to be more dauting task.

can this be acheivable through Call server??

If anyone has come across such a scenario or have done some thing similar to this pls help me out.

Many Thanks in Advance.

Cheers,
Praveen

Adam Stoller

Hi , I have following Requirement: I have a Textarea which captures some HTML Source. This is a VF Item. My Requirement is to validate the Content of this HTML source on Save Event. Some of Requiremnets are like: 1. Some tags like <BR> <IMG> <HR> should be auto replaced with <BR/> <IMG/> anf <HR/> and so on.. which can be done using pattern mathching and replacement of string in VF Item. 2. Pop - Up the User with a HTML or Some interactive way so that he can enter alt="" tag if he has missed in alt tag in <IMG src=""/> Tag. [ Preferabbly Text Box. And set this new alt value with new html source like <IMG src="" ALT="VALUE"/>. 3. Some Automatic deletion tags like <maquee> etc. So.. to achive this over all functionality in templating how do i go about it. I have already tried implementing some basic tag replacements like <b> with <strong> in VF Item source. But i am worried about my requiremnet no 2 . Which seems to be more dauting task. can this be acheivable through Call server?? If anyone has come across such a scenario or have done some thing similar to this pls help me out. Many Thanks in Advance. Cheers, Praveen

Item '1', and to some degree item '2' - can (I believe) be achieved by enabling XHTML options.
Option '3' I believe is covered by some other configuration option.
Option '2' is clearly the more difficult one - I think you'd want to do a CallServer() script that can parse and examine the contents of the textarea fields and then perform the alerts() and/or prompts for what you want.

I haven't had to do this [yet] - so I have no code to offer for it - but it should be possible.

Personally - I prefer to have as few VF fields as possible in my DCTs so that these issues are almost entirely handled via PT generating code rather than trying to hack them with FormAPI code.