When the value of of the hash changes, a javascript event called “hashchange” is triggered on the window. Luckily the hash property of the url is not so limited. The drawback here is that you can only send data on page load. You can grab the GET parameters from the url via the object or you can use the URI.js javascript library to make things easier.
Talking to the web viewerĪs mentioned above, we can pass data to the Web Viewer by adding values to the url as get parameters at the time of page load.įile://…/S10/index.html?foo=bar&company=beezwax Now that we’re loading static pages which don’t have inline field references, we’ll have to figure out a better way to get data into the Web Viewer. It is also necessary in order to use the url features mentioned above.
Using local files instead of inline html has some advantages such as faster load times, use of browser caching, and easier editing of the files. However, the Web Viewer will need to locate a resource, so where should we point it? Export web files to the temporary directory If you use the web address box as intended, then you’ll gain the advantage of some html features such as GET parameters and hash values. This is generally done with ajax calls to a server, but in our web viewer, there is no server. However, we are moving towards a more asynchronous world were only the data is transferred and the state of the web page is not reset. Similarly, when new data needs to be injected, the entire page is re-rendered. You can think this of this method as analogous to a php server inserting data from a database before rendering the html to be delivered to the browser. "data:text/html,Data%20URLHello " & PERSON::NAME & "" The main advantage here is that you can include field references directly in the code as a way to pass data into a Web Viewer.
This seems to be the most popular method currently to display a local web page inside of a web viewer. It accomplished this by inserting record data into the url as an HTTP GET request. However, it didn’t take long for developers to take advantage of html’s data URI syntax to insert html directly into the Web Address box. When the Web Viewer was introduced in FileMaker v8.5, it was designed to display websites such as a Google Maps which included the address of the current record.
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