Databases
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    <p>There is no <code>window</code> in a <code>bootstrap.js</code> scope. <code>bootstrap.js</code> is essentially a standalone code module (that is running in a Sandbox, but that's just an implementation detail). It will run only once per application, not once per window.</p> <p>When developing <a href="https://developer.mozilla.org/en/docs/Extensions/Bootstrapped_extensions" rel="nofollow">bootstrapped add-ons</a>, you have to enumerate existing and watch for new windows yourself and "attach" to them as needed. See e.g. the <a href="https://github.com/Mardak/restartless/blob/watchWindows/bootstrap.js" rel="nofollow"><code>watchWindows</code> boilerplate</a>.</p> <p>Here is an example. It assumes you're using the <code>watchWindows</code> boilerplate:</p> <pre><code>function startup(data, reason) { // Callback function called for each browser window (browser.xul) function onwindow(window) { function onkeydown(e) { // XXX: Your code here. } // Bootstrapped add-ons need to clean up after themselves! function onunload() { window.removeEventListener("keydown", onkeypress); } window.addEventListener("keydown", onkeydown); unload(onunload, window); } // Will also fire for existing windows once and upon each new window. watchWindows(onwindow); } </code></pre> <p>Developing bootstrapped add-ons isn't really something I'd recommend when you're new to Firefox add-ons, XUL/XPCOM and the mozilla platform in general. You probably should check out XUL overlay-based add-ons or the Add-on SDK.</p>
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    1. COi highly recommend the addon SDK, if it allows implementing what you need/want. You will definitively save a lot of time, in comparison with XUL based addons
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    2. CO@nmaler I have updated the code, is it not possible at all to listen to keyboard events in the above code.
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    3. COIt appears that you just copied some random code that doesn't really solve your problem... and then don't even attempt to use it. I linked `watchWindows`, which may actually help you install a keypress handler. I'll try add an example to my answer.
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

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