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changeomatic.js
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changeomatic.js
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$(function() {
$.fn.changeomatic = function(e, options) {
if (typeof(e) == 'string') {
options = options || {}
} else {
options = e || {}
}
var elt = this[0],
that = this
switch (e) {
case 'tag':
// change the tag & reset
$(elt).data('tag', options)
load()
break
default:
// setup ui
$(elt).addClass('changeomatic-set')
$(elt).append('<div class="photos"></div>')
var prev = $('<div class="cycle-prev prev">‹</div>')
var next = $('<div class="cycle-next next">›</div>')
var pager = $('<div class="cycle-pager"></div>').attr('id', 'cycle-pager-'+(new Date()).getTime())
$('.photos', this).append(next, prev)
$(this).after(pager)
var captionId = $(this).parents('.tab-pane').attr('id') + '-caption'
var caption = $('<div class="caption"><div class="bg"></div><div id="'+captionId+'" class="cycle-caption"></div></div>')
$(this).append(caption)
$('.photos', elt).cycle({
fx: 'fade',
centerHorz: true,
centerVert: true,
autoHeight: '1618:1000',
caption: '#'+captionId,
captionTemplate: "{{title}} by {{owner}} ({{license}}) on <a href='{{url}}'>{{provider}}</a> <span class='pull-right'>{{date}} <span class='muted'>({{slideNum}}/{{slideCount}})</span></span>",
pauseOnHover: true,
pager: '#'+pager.attr('id'),
pagerTemplate: "<a class='item' href=#> </a>"
})
$('.photos', elt).bind('cycle-update-view', function() {
$(window).trigger('resize')
})
$(elt).data('changeomatic-options', options)
if (options.tag) {
$(elt).changeomatic('tag', options.tag)
}
break
}
function loadingNotice(msg) {
var notice = $('.notice', elt).get(0)
if (notice) {
notice = $(notice)
} else {
notice = $('<div class="notice"></div>')
$(elt).append(notice)
}
if (msg) {
notice.show()
notice.html(msg)
} else {
notice.hide()
$(window).trigger('resize')
}
}
function load() {
var tag = $(elt).data('tag'),
options = $(elt).data('changeomatic-options') || {}
if (!tag || tag.length == 0) { return }
loadingNotice('Loading data...')
if (options.googleSpreadsheetId) {
loadGoogleSpreadsheet(tag, options)
} else {
loadFlickr(tag, {next: loadInstagram})
// Note: twitter just isnt' going to work in the browser without some server-side proxy:
// http://stackoverflow.com/questions/17004070/making-jquery-ajax-call-to-twitter-api-1-1-search
}
}
function finishedLoad() {
loadingNotice('Preparing slideshow...')
var photos = $(elt).data('photos') || []
photos.sort(function(a,b) {
if (a.taken < b.taken) return -1
if (a.taken > b.taken) return 1
return 0
})
$(elt).data('photos', photos)
$.each(photos, function() {
var photo = this
var img = $('<img />').attr('src', photo.src).data({
title: photo.title || '',
owner: photo.owner || 'unknown',
license: photo.license || "all rights reserved",
provider: photo.provider || 'unknown',
url: photo.url,
date: $.format.date(photo.taken, "MMM d, yyyy")
})
$('.photos', elt).cycle('add', img)
})
if (photos.length == 0) {
loadingNotice("No matching photos yet.")
} else {
loadingNotice(false)
}
}
function loadGoogleSpreadsheet(tag, options) {
if (!options) options = $(elt).data('changeomatic-options') || {}
Tabletop.init({
key: options.googleSpreadsheetId,
callback: function(data, tabletop) {
var sheet = tabletop.sheets('Data') || tabletop.sheets(tabletop.model_names[0])
var photos = []
$.each(sheet.all(), function(i, row) {
// provides us some control over which photos to use
if (tag != row.usabletag) return
var src = row.imageurl
if (row.provider == 'Flickr' && row.imageurlm) {
src = row.imageurlm
}
photos.push({
taken: $.format.parseDate(row.datetime).date,
src: src,
url: row.url,
owner: row.username,
provider: row.provider,
license: "all rights reserved",
object: row,
title: row.title
})
})
$(elt).data('photos', photos)
finishedLoad()
}
})
}
function loadFlickr(tag, options) {
if (!options) options = options || {}
var changeomaticOptions = $(elt).data('changeomatic-options') || {}
var page = options['page'] || 1;
loadingNotice('Loading flickr photos, page '+page+'...')
console.log("[DEBUG] options.flickrKey: ", options.flickrKey)
$.getJSON(
"http://www.flickr.com/services/rest/?method=flickr.photos.search&format=json&jsoncallback=?",
{
api_key: changeomaticOptions.flickrKey,
tags: tag,
tag_mode: 'all',
sort: 'date_taken',
extras: "date_taken,url_m,url_l,owner_name,license",
page: page,
per_page: 500
},
function(json) {
var photos = $(elt).data('photos') || [],
flickrPhotos = []
console.log("[DEBUG] json: ", json)
$.each(json.photos.photo, function(i, photo) {
var license
switch (photo.license) {
case "0":
license = "all rights reserved"
break
case "1":
license = "CC BY-NC-SA"
break
case "2":
license = "CC BY-NC"
break
case "3":
license = "CC BY-NC-ND"
break
case "4":
license = "CC BY"
break
case "5":
license = "CC SA"
break
case "6":
license = "CC ND"
break
case "7":
license = "PD"
break
case "8":
license = "United States Government Work"
break
}
if (!photo.datetaken) {
return
}
flickrPhotos.push({
taken: $.format.parseDate(photo.datetaken).date,
src: photo.url_l,
url: 'http://flickr.com/photos/'+photo.owner+'/'+photo.id,
width: photo.width_l,
height: photo.height_l,
title: photo.title,
owner: photo.ownername,
provider: 'Flickr',
license: license,
object: photo
})
})
$(elt).data('photos', photos.concat(flickrPhotos))
if (json.photos.page < json.photos.pages) {
loadFlickr(tag, {page: page + 1});
} else {
if (options.next) {
next = options.next
options.next = null
next.call(that, tag, options)
} else {
finishedLoad()
}
}
}
)
}
function loadInstagram(tag, options) {
if (!options) options = options || {}
var changeomaticOptions = $(elt).data('changeomatic-options') || {}
var page = options['page'] || 1;
loadingNotice('Loading Instagram photos, page '+page+'...')
$.getJSON(
"https://api.instagram.com/v1/tags/"+tag+"/media/recent?callback=?",
{
client_id: changeomaticOptions.instagramKey,
max_tag_id: options.max_tag_id
},
function(json) {
var photos = $(elt).data('photos') || [],
igPhotos = []
$.each(json.data, function(i, photo) {
var date = new Date(0)
date.setUTCSeconds(parseInt(photo.created_time))
igPhotos.push({
taken: date,
src: photo.images.standard_resolution.url,
url: photo.link,
width: photo.images.standard_resolution.width,
height: photo.images.standard_resolution.height,
title: photo.caption ? photo.caption.text : 'Untitled',
owner: photo.user.full_name + ' ('+photo.user.username+')',
provider: 'Instagram',
license: "all rights reserved",
object: photo
})
})
$(elt).data('photos', photos.concat(igPhotos))
if (json.pagination.next_max_tag_id) {
loadInstagram(tag, {max_tag_id: json.pagination.next_max_tag_id, page: page+1});
} else {
if (options.next) {
options.next.call(this, tag, options)
} else {
finishedLoad()
}
}
}
)
}
}
})