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The easiest way in the world to pass information INTO a Flash
Author: Tiran Dagan
| Website: http://www.TiranDagan.com |
Problems:
- How do you pass [parameters] to URL.swf without causing syntax
problems?
You create a URL encoded (escaped) parameterized query, such as:
“URL.swf?param1=value¶m2=value”
Just make sure you add that first question mark, the rest is ignored bu the
EMBED command.
- How do you copy them from wherever it is you got them from (hidden form
fields, originating URL, etc?)
That’s a good question. Unfortunately you must rely on simple
Javascripting to dynamically generate the “EMBED” code as in Figure 1. This
means that the code displayed in Fig 1 is pushed to the browser at run time
(page-display time) using the document.writeln (); function.
If you chose to pass information via the URL line, here is the code to
intercept that parameter:
href=document.location.href;
param=href.substr(href.indexOf('?'));
Fig. 2 – Sample code to intercept
parameters from within the containing document
so if your containing document is URL.htm and you launch it with the
following URL:
http://www.domain.com/URL.htm?param=Help_is_on_the_way
Then the value of "param" in Fig 2 will be "?param=Help_is_on_the_way"
No lets see the Fig 2 code, along with the code that will dynamically plug in
the parameter into the <OBJECT> block:
<html>
<head>
</head>
<body>
<script language="javascript">
href=document.location.href;
params=href.substr(href.indexOf('?'));
document.writeln ('<OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"');
document.writeln (' codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0"
WIDTH=550 HEIGHT=400>');
document.writeln (' <PARAM NAME=movie VALUE="URL.swf' + params + '"> <PARAM
NAME=quality VALUE=high> <PARAM NAME=bgcolor VALUE=#FFFFFF> ');
document.writeln (' <EMBED src="URL.swf" quality=high bgcolor=#FFFFFF WIDTH=550
HEIGHT=400 TYPE="application/x-shockwave-flash" PLUGINSPAGE="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash"></EMBED></OBJECT>');
</script>
</body>
</html>
Fig. 3 – The complete client-side listing
| » Level Intermediate |
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Added: : 2001-10-17
Rating: 8.03 Votes: 43
Hits: 6950
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| » Author |
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At the age of 14, Tiran got his first "gig" as a programmer for a film production company. Since then, he has managed large development teams on PC, VAX and Unix. His roots are in the Z80, 8086 and Apple Green Book of operating system mnemonics, but Tiran incorporates his extensive background in art, music and general knowledge into object-oriented programming. His work combines video, audio, animations and server side programming.
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Download the files used in this tutorial.
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Download (2 kb)
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Tutorials » Actionscripting/Basic
