Javascript_tag replacing whitespaces w/ '%20'

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June 20th, 2007, 12:30 AM

CLEM_C_ROCK

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Join Date: Mar 2003

Posts: 130

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Javascript_tag replacing whitespaces w/ '%20'

Hello,

I have a form that tests if a title has been changed since the page was loaded and the page has been submitted. If the page title has been changed then a confirm box will ask if the user wants to have the title changed. The problem is if the person hits cancel, all white spaces in the title get replaced w/ '%20'.

Here's the code I was using:

Code:

<%=javascript_tag( "function confirmSubmit(){ var page_title_before= '#{u @page.title}';
                                              var page_title_on_submit = escape($('page_title').value);
                                                  if( page_title_before != page_title_on_submit ){
                                                      var agree=confirm('Changing the title of this page will break any links or bookmarks that refer to it.\\nPress \"OK\" to save with the new title, or \"Cancel\" to revert to the original title.');  
                                                 if(agree){ return true; }
                                                                                                 else{  alert( 'page_title_before-->>' + escape(page_title_before) ); $('page_title').value = page_title_before; return false; }
                                                  }
                                              else{ return true; }}") %>

June 20th, 2007, 11:53 AM

L7Sqr

Contributing User

Join Date: Jan 2004

Location: Constant Limbo

Posts: 577

Time spent in forums: 1 Week 2 Days 8 h 49 m 8 sec
Reputation Power: 67

It is hard to say without knowing what u does in the following section of code:

Code:

var page_title_before= '#{u @page.title}';

I asume that it escapes the string to match the next line

Code:

var page_title_on_submit = escape($('page_title').value);

Since (again, assuming URI) escape will do:

Code:

irb(main):011:0> s = 'This is a title'
=> "This is a title"
irb(main):012:0> URI.escape s
=> "This%20is%20a%20title"
irb(main):013:0>

If both of those assumptions hold, then when you do:

Code:

$('page_title').value = page_title_before;

in the cancel case, you assign page_title the escaped version of @page.title

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If you process text, this might make your life a little easier.

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