app/soc/content/js/blog-081117.js
author Lennard de Rijk <ljvderijk@gmail.com>
Sun, 19 Apr 2009 22:05:25 +0000
changeset 2251 2d286b2419d1
parent 1308 35b75ffcbb37
child 2800 cd9eed2b787e
permissions -rw-r--r--
Renamed map JS to facilitate upcoming changes. Patch by: Lennard de Rijk Reviewed by: to-be-reviewed
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/* Copyright 2008 the Melange authors.
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 * 
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 *   http://www.apache.org/licenses/LICENSE-2.0
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 * 
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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function BlogPreview(container) {
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  this.container_ = container;
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}
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BlogPreview.prototype.show = function(url, entries_num, title, title_link) {
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  var feed = new google.feeds.Feed(url);
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  var preview = this;
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  feed.setNumEntries(entries_num)
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  feed.load(function(result) {
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    preview.render_(result, title, title_link);
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  });
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}
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BlogPreview.prototype.render_ = function(result, title, title_link) {
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  if (!result.feed || !result.feed.entries) return;
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  while (this.container_.firstChild) {
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    this.container_.removeChild(this.container_.firstChild);
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  }
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  var blog = this.createDiv_(this.container_, "blog");
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  var header = this.createElement_("h2", blog, "");
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  if (!title) {
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    title = result.feed.title;
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  }
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  if (!title_link) {
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    title_link = result.feed.link;
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  }
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  this.createLink_(header, title_link, title);
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  for (var i = 0; i < result.feed.entries.length; i++) {
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    var entry = result.feed.entries[i];
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    var div = this.createDiv_(blog, "entry");
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    var linkDiv = this.createDiv_(div, "title");
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    this.createLink_(linkDiv, entry.link, entry.title);
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    if (entry.author) {
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      this.createDiv_(div, "author", "Posted by " + entry.author);
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    }
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    this.createDiv_(div, "snippet", entry.contentSnippet);
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  }
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}
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BlogPreview.prototype.createDiv_ = function(parent, className, opt_text) {
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  return this.createElement_("div", parent, className, opt_text);
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}
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BlogPreview.prototype.createLink_ = function(parent, href, text) {
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  var link = this.createElement_("a", parent, "", text);
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  link.href = href;
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  return link;
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}
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BlogPreview.prototype.createElement_ = function(tagName, parent, className,
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                                                opt_text) {
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  var div = document.createElement(tagName);
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  div.className = className;
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  parent.appendChild(div);
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  if (opt_text) {
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    div.appendChild(document.createTextNode(opt_text));
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  }
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  return div;
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}
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