Question

Using Javascript to edit param value inside an object and refresh it.

Asked by: simon_thwaites

I am trying to change the path to a .swf file using javascript on the page. This is to change to a different type of graph.

I can change the object.data to reflect the new graph.swf but I am not sure of the best way to change the value of a <param /> using Javascript.

The only way I can think is to add an id="" to the <param /> item. Is there a better way for this?


Also once it is done, how do I get the object to "refresh" to show the new swf?

<object type="application/x-shockwave-flash" width="800" height="600" id="FlashChart" data="/charts/MSColumn2D.swf">
				<param id="testparam" name="movie" value="/charts/MSColumn2D.swf" />
				<param name="wmode" value="transparent" />
				<param name="FlashVars" value="&amp;dataURL=/test/powerusage_chart.xml.asp&amp;chartWidth=800&amp;chartHeight=600" />
				<img src="/charts/noflash.png" alt="No Flash Support" />
			</object>

                                  
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Asked On
2008-09-19 at 01:16:03ID23745194
Tags

Javascript

Topics

Web Authoring

,

ActiveX

,

Hypertext Markup Language (HTML)

Participating Experts
1
Points
250
Comments
4

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Answers

 

by: kiranvjPosted on 2008-09-19 at 07:31:27ID: 22521483

AFAIK you cannot change the param attribute dynamically using javascript. For that you have to first delete the object and create a new object with new param

hope this helps
kiranvj

 

by: simon_thwaitesPosted on 2008-11-19 at 05:54:52ID: 22994096

I guess it helps a bit, but still doesnt definitively say if its possible or not.

I have now instead gone down the route of using SWFObject (albeit slightly modified).

 

by: kiranvjPosted on 2008-11-21 at 01:34:19ID: 23011419

Its not possible to change the parameters once the flash is loaded.

You have two options

1) You can reload the flash using new parameter. If you are using SWFObject, first delete the old object/embed tag from the DOM tree and call SWFObject with new parameters to load the flash gain.

2) You can use External Interface for communication between flash and javascript.
Check this http://www.experts-exchange.com/Software/Photos_Graphics/Web_Graphics/Macromedia_Flash/Q_22952057.html

hope these helps
kiranvj

 

by: simon_thwaitesPosted on 2008-11-24 at 00:27:38ID: 31498079

Thanks for the help.

20120131-EE-VQP-002

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