mockups/content/js/blog.js
author Sverre Rabbelier <srabbelier@gmail.com>
Sat, 22 Nov 2008 13:59:34 +0000
changeset 553 c0cc20b4afc9
parent 58 cee78a1ae672
permissions -rw-r--r--
Make redirect generic using the new Lists object This makes it possible (and easier) to have the list view redirect to any page specially tailored to the current item. Patch by: Sverre Rabbelier
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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, 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.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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