[Javascript] Selecting certain areas of text in a string

[Troy III Ajnej]

Hello Mr. Guillaume, 

wellcome to the list.

 

If you arre sure that the rest of parameters will allways stay the same

than you could, among other go this way:

 

1. get the url of your object clip source and asign it to some var like:

var my_url= //your [object].src which in this case would be:

"../pluginsv/mediaplayer.swf?file=http://www.somesite.com/video/somevideo.flv&autostart=true&displayheight=202&allowfullscreen=over&controlbar=over&usefullscreen=true&backcolor=0x121212&frontcolor=0xffffff&lightcolor=0x000000&bufferlength=10"

 

2. extract the current path of the current clip that needs to be changed

and asign it to some other string, like:

 

var curr_url = 

my_url.substring( my_url.indexOf("http://"), my_url.indexOf("&autostart"));

alert(curr_url); 

//alertbox should display: http://www.somesite.com/video/somevideo.flv 


 

3. Than, depending on the method you are using to compose the new

source locator of a different clip, take that value and pas it to some var

for replacement, or if you are setting it manually, do this:  

 

var new_url = 

my_url.replace(curr_url,"http://www.othersite.com/video/othervideo.flv");

 

 

alert(new_url) // will give you the full string of parameters containing

the url you've now specified.

 

p.s.:

Needless to mention, but for new source to take effect, state:  

[yourobject].src = new_url;

 

 

Regards,


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                                      Troy III
                         progressive art enterprise
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 



 
> To: javascript at lists.evolt.org
> Date: Tue, 10 Mar 2009 16:35:56 +0100
> From: javascript at webdesignofficina.com
> Subject: [Javascript] Selecting certain areas of text in a string
> 
> 
> Hi there,
> 
> Currently trying to change the url of an embedded element in a page...
> My problem is that many other parameters are passed along the url of
> the object, in the src property:
> 
> src="../pluginsv/mediaplayer.swf?file=http://www.somesite.com/video/somevideo.flv&autostart=true&displayheight=202&allowfullscreen=over&controlbar=over&usefullscreen=true&backcolor=0x121212&frontcolor=0xffffff&lightcolor=0x000000&bufferlength=10"
> 
> I'd like to only rewrite this part: file=http://www.somesite.com/
> video/somevideo.flv
> Rest of the parameters should remain untouched...
> 
> I know I should use String.replace, something like:
> 
> var str="somevideo.flv!";
> document.write(str.replace(/somevideo.flv/,"othervideo.flv"));
> 
> But I have absolutely no idea on how target this piece of text only in the
> whole src="...", starting from ending file path, from / to .flv
> 
> Any help would be greatly appreciated.
> 
> Thank you.
> 
> Best regards,
> 
> Guillaume Stricher 
> _______________________________________________
> Javascript mailing list
> Javascript at lists.evolt.org
> http://lists.evolt.org/mailman/listinfo/javascript

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