In JavaScript, foo.bar is just shorthand for foo['bar']. You can only use the dot syntax for keys that are simple identifiers known at compile time,but you can use the bracket syntax with any string expression. So entry['georss::point'] works for cases where you need such a key.
On Friday, July 23, 2010, Andy Ennamorato <[email protected]> wrote: > Thanks for sharing this info - very similar to what I want to try and do with > couchdb. > > Sent from my iPhone > > On Jul 23, 2010, at 1:28 PM, Michael Lenahan <[email protected]> > wrote: > > > (Resending because I forgot to add a section I amended in templates/edit.html) > > > ---------- Forwarded message ---------- > From: Michael Lenahan <[email protected]> > Date: 23 July 2010 20:23 > Subject: Re: georss atom feed > To: [email protected] > > > Thanks, jchris! > > I now have this: > http://mick.couchone.com/blog/_design/geosofa/_list/index/recent-posts?descending=true&limit=10&format=atom > > And this is what it looks like in Google Maps: > http://mick.couchone.com/blog/_design/geosofa/_list/index/recent-posts?descending=true&limit=10&format=atom > > Here's what I did: > > I copied sofa into a new folder geosofa, and made these changes: > > (at the end of vendor/couchapp/lib/atom.js) > > exports.header = function(data) { > // > //var f = <feed xmlns="http://www.w3.org/2005/Atom"/>; > var f = <feed xmlns="http://www.w3.org/2005/Atom"; > xmlns:georss="http://www.georss.org/georss"/>; > // > f.title = data.title; > f.id = data.feed_id; > f.li...@href = data.feed_link; > f.li...@rel = "self"; > f.generator = "CouchApp on CouchDB"; > f.updated = rfc3339(data.updated); > return f.toXMLString().replace(/\<\/feed\>/,''); > }; > > exports.entry = function(data) { > var entry = <entry/>; > entry.id = data.entry_id; > entry.title = data.title; > entry.content = data.content; > entry.conte...@type = (data.content_type || 'html'); > entry.updated = rfc3339(data.updated); > entry.author = <author><name>{data.author}</name></author>; > entry.li...@href = data.alternate; > entry.li...@rel = "alternate"; > // > entry.point = data.point; > // > return entry; > } > > (at the end of lists/index.js) > > alternate : path.absolute(path.show('post', row.id)), > // > //point : row.value.loc[1] + " " + row.value.loc[0] > point : row.value.latitude + " " + row.value.longitude > // > }); > // send the entry to client > send(feedEntry); > } while (row = getRow()); > } > > // close the loop after all rows are rendered > return "</feed>"; > }); > }; > > (I also made the following rudimentary changes to templates/edit.html) > > <!-- form to create a post --> > <form id="new-post" action="new.html" method="post"> > <h1>{{pageTitle}}</h1> > <!-- amended for geosofa --> > <p><label>Place Name</label> > <input type="text" size="50" name="title" value=""></p> > <p><label>Latitude</label> > <input type="text" size="50" name="latitude" value=""></p> > <p><label>Longitude</label> > <input type="text" size="50" name="longitude" value=""></p> > <!-- --> > > (... this is further down in templates/edit.html) > > // apply docForm at login. > $("#account").evently({ > loggedIn : function(e,r) { > var userCtx = r.userCtx; > postForm = app.docForm("form#new-post", { > id : {{ docid }}, > //fields : ["title", "body", "tags"], > fields : ["title", "latitude", "longitude", "body", "tags"], > template : { > type : "post", > format : "markdown", > author : userCtx.name > }, > > Some issues: > > 1. I wasn't able to edit atom.js to make it take account of the full > name for georss:point > > entry.georss:point = data.point > > I tried backslash-escaping, quoting, square brackets etc but with no luck. > > In the end I settled with "point" (without the namespace). It works > but it's a bit wrong. > > 2. I started by saving the data in an array called "loc", since this > is the way suggested by Volker > (http://vmx.cx/cgi-bin/blog/index.cgi/geocouch-the-future-is-now:2010-05-03:en,CouchDB,Python,Erlang,geo) > and more in line with geojson. > > However, I've been tripped up by my lack of knowledge in couchapp - I > don't know how to write from my couchapp into an array, whereas > writing into separate latitude, longitude fields was very easy - just > a matter of adding the text input tags to templates/edit.html > > Thanks very much. Couchapp is simply amazing. > > Michael > > On 22 July 2010 21:34, J Chris Anderson <[email protected]> wrote: > > > On Jul 22, 2010, at 1:27 PM, Mich > -- Mark J. Reed <[email protected]>
