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LinkPreview: restructure to make it easier to keep old link data

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Brion Vibber 2010-11-16 14:57:35 -08:00
parent 73f28ffabe
commit acdb9ac1e5
1 changed files with 75 additions and 71 deletions
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20
plugins/LinkPreview/linkpreview.js
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@ -62,13 +62,16 @@
} }
}; };
var LinkPreview = {
links: [],
/** /**
* Find URL links from the source text that may be interesting. * Find URL links from the source text that may be interesting.
* *
* @param {String} text * @param {String} text
* @return {Array} list of URLs * @return {Array} list of URLs
*/ */
function findLinks(text) findLinks: function (text)
{ {
// @fixme match this to core code // @fixme match this to core code
var re = /(?:^| )(https?:\/\/.+?\/.+?)(?= |$)/mg; var re = /(?:^| )(https?:\/\/.+?\/.+?)(?= |$)/mg;
@ -78,7 +81,7 @@
links.push(matches[1]); links.push(matches[1]);
} }
return links; return links;
} },
/** /**
* Start looking up info for a link preview... * Start looking up info for a link preview...
@ -87,7 +90,7 @@
* @param {String} id * @param {String} id
* @param {String} url * @param {String} url
*/ */
function prepLinkPreview(id, url) prepLinkPreview: function(id, url)
{ {
oEmbed.lookup(url, function(data) { oEmbed.lookup(url, function(data) {
var thumb = null; var thumb = null;
@ -120,7 +123,7 @@
$('#' + id).append(link); $('#' + id).append(link);
} }
}); });
} },
/** /**
* Update the live preview section with links found in the given text. * Update the live preview section with links found in the given text.
@ -128,16 +131,17 @@
* *
* @param {String} text: free-form input text * @param {String} text: free-form input text
*/ */
function previewLinks(text) previewLinks: function(text)
{ {
var links = findLinks(text); var links = LinkPreview.findLinks(text);
$('#link-preview').html(''); $('#link-preview').html('');
for (var i = 0; i < links.length; i++) { for (var i = 0; i < links.length; i++) {
var id = 'link-preview-' + i; var id = 'link-preview-' + i;
$('#link-preview').append('<span id="' + id + '"></span>'); $('#link-preview').append('<span id="' + id + '"></span>');
prepLinkPreview(id, links[i]); LinkPreview.prepLinkPreview(id, links[i]);
} }
} }
};
SN.Init.LinkPreview = function(params) { SN.Init.LinkPreview = function(params) {
if (params.api) oEmbed.api = params.api; if (params.api) oEmbed.api = params.api;
@ -149,7 +153,7 @@
// Piggyback on the counter update... // Piggyback on the counter update...
var origCounter = SN.U.Counter; var origCounter = SN.U.Counter;
SN.U.Counter = function(form) { SN.U.Counter = function(form) {
previewLinks($('#notice_data-text').val()); LinkPreview.previewLinks($('#notice_data-text').val());
return origCounter(form); return origCounter(form);
} }
} }