Wow....I'm impressed....thats quite a hack Charles..I will study all this see how far I get.....
Thank you gentlemen....you are Rockstars!! On Fri, Mar 16, 2018 at 7:13 AM, Lagi Pittas via use-livecode < use-livecode@lists.runrev.com> wrote: > Maybe not 100% reliable but .... > > https://stackoverflow.com/questions/1341089/using-meta- > tags-to-turn-off-caching-in-all-browsers > > Regards Lagi > > On 16 March 2018 at 09:48, Charles Warwick via use-livecode > <use-livecode@lists.runrev.com> wrote: > > Hi Tom, > > > > If the site you are trying to contact has CORS enabled appropriately, > then you can do something like this... > > > > With the LiveCode browser widget, you can call JavaScript functions from > LC script and have the JavaScript functions call LC handlers in return. > JavaScript has the capability to perform asynchronous HTTP requests. > > > > You can create a HTML page that you automatically load up in the browser > widget that has a small JavaScript function which you can call from LC with > ‘do in widget’. All this function needs to do is issue an asynchronous > HTTP call to the URL passed to it as a parameter and when it receives the > data, return it back to your LC script by calling a nominated LC handler > and passing the returned data as a parameter. > > > > The HTML page would look something like this: > > > > <html> > > <head> > > <title>Javascript Async Test</title> > > <script type="text/javascript"> > > > > function httpGetAsync(theUrl) > > { > > var xmlHttp = new XMLHttpRequest(); > > xmlHttp.onreadystatechange = function() { > > if (xmlHttp.readyState == 4 && xmlHttp.status == 200) > > liveCode.httpRequestComplete(theUrl, xmlHttp.responseText); > > } > > xmlHttp.open("GET", theUrl, true); // true for asynchronous > > xmlHttp.send(null); > > } > > </script> > > </head> > > <body> > > </body> > > <html> > > > > You can either load that from a file into the browser widget’s URL or > set its htmlText property accordingly... > > > > Then in LC, make sure you register the httpRequestComplete handler so > that the widget can call it: > > > > set the javascriptHandlers of widget “browser” to “httpRequestComplete” > > > > After that, add a httpRequestComplete handler to the card script to > handle the returned data: > > > > on httpRequestComplete pUrl, pData > > — pUrl will be the URL requested > > — pData will be the data returned from the URL requested > > end httpRequestComplete > > > > Lastly, make your async requests.... > > > > do (“httpGetAsync(‘http://www.livecode.com’);” in widget “browser” > > > > Since the JavaScript in the browser widget is issuing the requests and > sending the data back to LC, it doesn’t need to display anything related to > it in the browser widget itself - it can be a blank canvas. > > > > Just be aware that the browser widget can cache URLs and there is no > easy way (that I know of?) in LC to clear the browser’s cache... so if you > see very quick responses on a second or subsequent request to the same URL, > it is likely pulling it all from the browser’s cache. > > > > Cheers, > > > > Charles > > > >>> On 16 Mar 2018, at 1:35 pm, Tom Glod via use-livecode < > use-livecode@lists.runrev.com> wrote: > >>> > >>> Great hints there Mike .... thanks alot. Luckily I'm desktop only > right > >>> now. > >>> > >>> It shouldn't be too long before I sit down to make something that I can > >>> rely on and reuse in future projects. > >>> > >>> Might turn out I will have to hire someone to help which is cool too. > >>> > >>> It only has to be very simple..and does not need to match performance > of > >>> Tsnet. > >>> > >>> Anything more than 1 would be a great start. LOL. > >>> > >>> I will look into the libURL library and then try to guess which way I > >>> should go my first attempt to hack this. > >>> > >>> I'll keep you guys posted on the progress..I think I need a name for > this > >>> little project. > >>> > >>> Thanks you > >>> > >>> Tom > > _______________________________________________ > > use-livecode mailing list > > use-livecode@lists.runrev.com > > Please visit this url to subscribe, unsubscribe and manage your > subscription preferences: > > http://lists.runrev.com/mailman/listinfo/use-livecode > > _______________________________________________ > use-livecode mailing list > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your > subscription preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode > _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
