I want to allow users to add a link to a photo. Before I
allow the user to submit the link, I want to validate it, to make
sure the link points to an image that can be displayed by flex.
Right now, I have textInput for the user to enter the link, and an
image with the source set to the textInput. When a valid link is
typed into the input, an image is displayed, and when an invalid
link is typed a broken link is displayed.
What I would like to do is have a Submit button that submits
the link if the image is displayed properly, and displays an error
message if the broken link symbol is displayed. How do I get flash
to tell me whether or not the image is being displayed
It may be easier to just try and load the image (regardless
of whether it is a valid URL) and then listen for the httpStatus
event to determine if the load was successful. Then, if the status
code is something like "404" or "500", you could hide the broken
image icon (and then set the visible property to true if the status