Html View retrieve Javascript value
BlitzMax Forums/MaxGUI Module/Html View retrieve Javascript value
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| Is it possible to obtain a JavaScript value from a Html View (presuming I can run my desired script)? |
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| Not easily. Setting the src value of an iframe should generate a GET that you can process. |
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| What is the string returned from HtmlViewRun()? I was hoping it would be the return value of the JavaScript function I called. |
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| HtmlView probably needs a lot of work to push pass its genericness and get you access to more lower level stuff. To do it with WebKit (OS X and Gtk WebKit on Linux) only requires a few lines of code, whilst other platforms will vary considerably. Qt has a nice interface for this kind of stuff. |
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| As soon as your html-view-thingy is capable of dom-handling you can just read what Jscript changed. As soon as it is just a simple html-parser (like the php-script tcpdf uses for generating pdfs out of html) this wont work. As iFrames are still a beast from the 90s which should be dying since ages it is a whacky hacky way to still use it (but if other ways are not working... ). @returned value why should it be the result of a jscript function? Does LoadImage() return Image.width? Maybe there is a complete resultset available somewhere - so one could see what happened "internally", but I really doubt it. bye Ron |
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| Derron, I don't get your opinion on iFrames, what is so wacky about one site embedding the contents of another site in it's design while keeping the data between the two separate in a secure manner? Shagwana, I tried pretty hard to implement Run to return current value but unfortunately came to conclusion it was not possible under IE. I consider iframe gets are ok as it is common practice when ajax is not available to use such approach for host / client communications. For background see the chatter on this page: http://msdn.microsoft.com/en-us/library/aa741364(v=vs.85).aspx |
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| There was a time when iframes marked documents "invalid" when checking them for eg. xhtml validity. Seems people changes their opinions. Maybe browsers handle it secure enough now (what you said: separate data in a secure manner). In the past especially the Internet Explorer was vulnerable. Depending on the source of the "HtmlView" this might be of interest for a developer. For me using "iframes" was the same as using "eval(remoteScriptDataOfUnknownOrigin);" embedded in your page :D. If that is no longer a problem, then the "get"-method could be an option. bye Ron |
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