Help Popup not rendered HTML based on the referenced element.

I have a named item & P104_GENDER on a page that references a hidden item, which is calculated using a calculation that uses a database function to retrieve data to help for the item and fill in the hidden element.

So for this article, is the source of help & P104_GENDER_HELP. & P104_GENDER_HELP is filled with "Please enter a sex. Possible values are: & lt; BR & gt; -Male & lt; BR & gt; -Female' according to the debugging session.

When I click on the label to display the context-sensitive Help window, it displays: "Please enter a sex. Possible values are: & lt; BR & gt; -Male & lt; BR & gt; -Female. "

Apex 3.X, the HTML would render correctly and it would display:

Please enter a sex. Possible values are:
-Male
-Female

But in Apex 4.0, it makes just the text as if it had no HTML implementation involved form, i.e. "Please enter a sex. Possible values are: & lt; BR & gt; -Male & lt; BR & gt; -Female. "

However, if I put the source directly for help on the question "Please enter a sex. Possible values are: & lt; BR & gt; -Male & lt; BR & gt; -Female", without reference to the hidden item, it renders properly in HTML format.

I tried to change my label template to use javascript:popupfieldhelpclassic instead of the javascript:popupfieldhelp function, but I get the same wrong result.

When I looked at the source that is generated in the pop-up window when you reference an element hidden, is to convert the < and >, symbols of "& lt" and "& gt" respectively, which means it does reference the text from the element hidden in the form of literal text and convert anything that resembles HTML in plain text instead of treat it only as HTML. I can see why this would be useful for some people, but it's not so useful to me, especially since he is used to the opposite effect.

They have both have in common, is that they use the wwv_flow_item_help.show_help function. I guess that the culprit lies in this encapsulated code.

Anyone has an idea on how to work around this problem so that text coming from referenced items analyzed and presented in HTML format instead of literal text?

Thank you very much.

Published by: user12021046 on December 15, 2011 13:51
Changed for good formatting HTML :-)

Ah, now I understand!

So I think the problem is, when you click the label, he calls a procedure that returns the text of help via AJAX. In my view, this procedure escapes html tags, and from what I can tell, there is no setting to disable. :( Even if you load classic help, these tags are also escaped. There may be tweaks that I don't know, but I looked into the security of the shared components section, but nada.

So a possible solution?

If you look at the label, you'll see that it links to the following function:

function popupFieldHelp(b,a){
     if(!$x("pScreenReaderMode")){
          apex.jQuery.getJSON("wwv_flow_item_help.show_help?p_item_id="+b+"&p_session="+a+"&p_output_format=JSON",
          function(c){
               var d=apex.jQuery("#apex_popup_field_help");
               if(d.length===0){d=apex.jQuery(''+c.helpText+"");
                    d.dialog({title:c.title,bgiframe:true,width:500,height:350,show:"drop",hide:"drop"})
               }
               else{
                    d.html(c.helpText).dialog("option","title",c.title).dialog("open")
               }
          })
     }else{
               popupFieldHelpClassic(b,a)
     }
     return
}

A quick and dirty solution would be to replace the escape with their html tags characters so that it is rendered correctly

that is, add the following:

               c.helpText = c.helpText.replace(/</g, '<');
               c.helpText = c.helpText.replace(/>/g, '>');

-These forums are not keep what I write here, I'm sure you can understand what im speak well.

Of course, change the label template to point to your custom function.

The other solution I was going to suggest was to write your own application process that gets you some JSON - Martin D'Souza has written a blog on the use of the apex_util.json_from_sql; which is what you would probably use a query such as:

select label, item_help_text
from apex_application_page_items
where item_id = apex_application.g_x01

The problem is the text of the done element refers to another page, so it would return to the value chain e.g. & P12_ITEM. of course it wouldn't be to hard to get around.

for example, select replace (item_help_text, '&' | apex_application.g_x02 |'.) (', v (apex_application.g_x02)) item_help_text
of apex_application_page_items
where item_id = apex_application.g_x01

(not tested)

and then as a quick primer to a way of doing AJAX

1. create a htmldb_Get object: helpText var = new htmldb_Get (null, null, "APPLICATION_PROCESS = nom_processus");

Where nom_processus is the name of an application process that you create

2. Add the necessary parameters

helpText.addParam ("x 01', 'itemId')
helpText.addParam ("x 02', 'P12_ITEM')

This is to add temporary variables that can be reference via apex_application.g_f0x; the alternative is that you can add paremeters State session with

helpText.add ('nom_element', 'ITEM_VALUE') and get sent when you call the object's get() function.

3. get the JSON and parse
obj = JSON.parse (helpText.get ());

Then create the http://jqueryui.com/demos/dialog/ for the help dialog box

Well I hope that gives you some ideas / a starting point.

Tags: Database

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