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Updated code to work with lastest master. Tests should now pass.

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This commit is contained in:
Evan Tatarka 2011-05-12 20:38:05 -04:00
parent 71e77d59b3
commit 5f406b18d5
5 changed files with 192 additions and 0 deletions
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1
config/assets.yml
View file

@ -16,6 +16,7 @@ javascripts:
- public/javascripts/vendor/jquery.autoresize.min.js
- public/javascripts/vendor/jquery-ui-1.8.9.custom.min.js
- public/javascripts/vendor/jquery.infinitescroll.min.js
- public/javascripts/vendor/jquery.expander.js
- public/javascripts/vendor/facebox.js
- public/javascripts/vendor/timeago.js
- public/javascripts/vendor/Mustache.js

8
public/javascripts/stream.js
View file

@ -84,6 +84,14 @@ var Stream = {
});
});
// collapse long comments
$(".content").find("p").expander({
slicePoint: 400,
widow: 12,
expandText: "show more",
userCollapseText: "show less"
});
},
setUpLikes: function(){
var likes = $("#main_stream .like_it, #main_stream .dislike_it");

152
public/javascripts/vendor/jquery.expander.js vendored Normal file
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@ -0,0 +1,152 @@
/*
* jQuery Expander plugin
* Version 0.4 (12/09/2008)
* @requires jQuery v1.1.1+
*
* Dual licensed under the MIT and GPL licenses:
* http://www.opensource.org/licenses/mit-license.php
* http://www.gnu.org/licenses/gpl.html
*
*/
(function($) {
$.fn.expander = function(options) {
var opts = $.extend({}, $.fn.expander.defaults, options);
var delayedCollapse;
return this.each(function() {
var $this = $(this);
var o = $.meta ? $.extend({}, opts, $this.data()) : opts;
var cleanedTag, startTags, endTags;
var allText = $this.html();
var startText = allText.slice(0, o.slicePoint).replace(/\w+$/,'');
startTags = startText.match(/<\w[^>]*>/g);
if (startTags) {startText = allText.slice(0,o.slicePoint + startTags.join('').length).replace(/\w+$/,'');}
if (startText.lastIndexOf('<') > startText.lastIndexOf('>') ) {
startText = startText.slice(0,startText.lastIndexOf('<'));
}
var endText = allText.slice(startText.length);
// create necessary expand/collapse elements if they don't already exist
if (!$('span.details', this).length) {
// end script if text length isn't long enough.
if ( endText.replace(/\s+$/,'').split(' ').length < o.widow ) { return; }
// otherwise, continue...
if (endText.indexOf('</') > -1) {
endTags = endText.match(/<(\/)?[^>]*>/g);
for (var i=0; i < endTags.length; i++) {
if (endTags[i].indexOf('</') > -1) {
var startTag, startTagExists = false;
for (var j=0; j < i; j++) {
startTag = endTags[j].slice(0, endTags[j].indexOf(' ')).replace(/(\w)$/,'$1>');
if (startTag == rSlash(endTags[i])) {
startTagExists = true;
}
}
if (!startTagExists) {
startText = startText + endTags[i];
var matched = false;
for (var s=startTags.length - 1; s >= 0; s--) {
if (startTags[s].slice(0, startTags[s].indexOf(' ')).replace(/(\w)$/,'$1>') == rSlash(endTags[i])
&& matched == false) {
cleanedTag = cleanedTag ? startTags[s] + cleanedTag : startTags[s];
matched = true;
}
};
}
}
}
endText = cleanedTag && cleanedTag + endText || endText;
}
$this.html([
startText,
'<span class="read-more">',
o.expandPrefix,
'<a href="#">',
o.expandText,
'</a>',
'</span>',
'<span class="details">',
endText,
'</span>'
].join('')
);
}
var $thisDetails = $('span.details', this),
$readMore = $('span.read-more', this);
$thisDetails.hide();
$readMore.find('a').click(function() {
$readMore.hide();
if (o.expandEffect === 'show' && !o.expandSpeed) {
o.beforeExpand($this);
$thisDetails.show();
o.afterExpand($this);
delayCollapse(o, $thisDetails);
} else {
o.beforeExpand($this);
$thisDetails[o.expandEffect](o.expandSpeed, function() {
$thisDetails.css({zoom: ''});
o.afterExpand($this);
delayCollapse(o, $thisDetails);
});
}
return false;
});
if (o.userCollapse) {
$this
.find('span.details').append('<span class="re-collapse">' + o.userCollapsePrefix + '<a href="#">' + o.userCollapseText + '</a></span>');
$this.find('span.re-collapse a').click(function() {
clearTimeout(delayedCollapse);
var $detailsCollapsed = $(this).parents('span.details');
reCollapse($detailsCollapsed);
o.onCollapse($this, true);
return false;
});
}
});
function reCollapse(el) {
el.hide()
.prev('span.read-more').show();
}
function delayCollapse(option, $collapseEl) {
if (option.collapseTimer) {
delayedCollapse = setTimeout(function() {
reCollapse($collapseEl);
option.onCollapse($collapseEl.parent(), false);
},
option.collapseTimer
);
}
}
function rSlash(rString) {
return rString.replace(/\//,'');
}
};
// plugin defaults
$.fn.expander.defaults = {
slicePoint: 100, // the number of characters at which the contents will be sliced into two parts.
// Note: any tag names in the HTML that appear inside the sliced element before
// the slicePoint will be counted along with the text characters.
widow: 4, // a threshold of sorts for whether to initially hide/collapse part of the element's contents.
// If after slicing the contents in two there are fewer words in the second part than
// the value set by widow, we won't bother hiding/collapsing anything.
expandText: 'read more', // text displayed in a link instead of the hidden part of the element.
// clicking this will expand/show the hidden/collapsed text
expandPrefix: '&hellip; ',
collapseTimer: 0, // number of milliseconds after text has been expanded at which to collapse the text again
expandEffect: 'fadeIn',
expandSpeed: '', // speed in milliseconds of the animation effect for expanding the text
userCollapse: true, // allow the user to re-collapse the expanded text.
userCollapseText: '[collapse expanded text]', // text to use for the link to re-collapse the text
userCollapsePrefix: ' ',
beforeExpand: function($thisEl) {},
afterExpand: function($thisEl) {},
onCollapse: function($thisEl, byUser) {}
};
})(jQuery);

30
spec/javascripts/stream-spec.js
View file

@ -2,6 +2,15 @@
* licensed under the Affero General Public License version 3 or later. See
* the COPYRIGHT file.
*/
function randomString(string_length) {
var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz ";
var randomstring = '';
for (var i=0; i<string_length; i++) {
var rnum = Math.floor(Math.random() * chars.length);
randomstring += chars.substring(rnum,rnum+1);
}
return randomstring;
}
describe("Stream", function() {
beforeEach(function() {
@ -16,6 +25,27 @@ describe("Stream", function() {
$('.stream a.show_post_comments').click();
expect(Stream.toggleComments).toHaveBeenCalled();
});
it("adds a 'show more' links to long posts", function() {
$("#jasmine_content").html(
'<li class="stream_element">' +
'<div class="content">' +
'<p id="text">' +
randomString(1000) +
'</p>' +
'</div>' +
'</li>'
);
Stream.initialize();
expect($(".details").css('display')).toEqual('none');
expect($(".read-more a").css('display').toEqual('inline');
expect($(".re-collapse a").css('display')).toEqual('none');
$(".read-more a").click();
jasmine.Clock.tick(200);
expect($(".read-more a").css('display').toEqual('none');
expect($(".re-collapse a").css('display')).toEqual('inline');
expect($(".details").css('display')).toEqual('inline');
});
});
describe("toggleComments", function() {

1
spec/javascripts/support/jasmine.yml
View file

@ -16,6 +16,7 @@ src_files:
- public/javascripts/vendor/jquery.tipsy.js
- public/javascripts/jquery.infieldlabel-custom.js
- public/javascripts/vendor/jquery.autoresize.min.js
- public/javascripts/vendor/jquery.expander.js
- public/javascripts/vendor/Mustache.js
- public/javascripts/vendor/charCount.js
- public/javascripts/vendor/timeago.js