CODEWITHSUNDEEP
javascriptfirefoxfirefox-addonxul
user2895783
user2895783

Reputation:

Reference Firefox add-on's install.rdf em:version in xul file

I have a working add-on. I am trying to fix a few small things. One thing I noticed was that some XUL files use a static string of the install.rdf's em:version. One instance was typoed, and it generally annoys me to maintain one version string in multiple places. I want a solution such that I can change the em:version, and use code to pick that string up in XUL files to insert into options.xul <dialogheader description="version"> tag. Another XUL file uses a <vbox> <text value="version">, so I'd like to reuse the same code and technique there as well.

I've seen some examples of using JavaScript to access add-on version strings, but nothing explained how to reference that string from within an XUL element's attribute.

Upvotes: 0

Views: 117

Answers (1)

nmaier
nmaier

Reputation: 33192

You cannot directly access the value from within your XUL file, but need to get the version with some Javascript and then set XUL attributes and/or text with the regular Javascript DOM APIs, so something along the lines of:

Cu.import("resource://gre/modules/AddonManager.jsm");
AddonManager.getAddonByID("your-addon@id", function(addon) {
  document.getElementById("version-header").setAttribute("value", addon.version);
});

Upvotes: 1

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