utilrss.js

SQLiteDBMS是SQLite数据库的管理服务器软件

function rssRequest(name, src, divId, division, strCut, callback) {
	var div=document.getElementById(divId);
	if (!div) return;

	if (!_XMLHttp['rss'+name]) _XMLHttp['rss'+name]=new XMLHttp('widget/rssRedirect', rssResponse);
	_XMLHttp['rss'+name].setQuery('q[url]='+escape(src));
	_XMLHttp['rss'+name].setCallbackData({name: name, divId: divId, division: division, strCut: strCut, callback: callback});
	_XMLHttp['rss'+name].execute();
}

function rssResponse(argument) {
	var name=argument['name'];
	if (!_XMLHttp['rss'+name] || !_XMLHttp['rss'+name].success()) return;
	var divId=argument['divId'];
	var division=argument['division'];
	var strCut=argument['strCut'];

	var div=document.getElementById(divId);
	if (!div) return;

	var tree=_XMLHttp['rss'+name].getTree();
	if (!tree || !tree.channel || !tree.channel.item) return;
	var item=isArray(tree.channel.item)?tree.channel.item:[tree.channel.item];

	if (!name && tree.channel.title) name=tree.channel.title;

	if (!division) division='<a class="rss_itle" href="{link}" target=_blank>{title}</a><span class="rss_author">{author}</span><span class="rss_pubdate">{pubdate}</span><span class="rss_description">{description}</span>';
	if (typeof strCut == 'undefined' || strCut < 0) strCut=255;

	for (var i=0; i < item.length; i++) {
		var date=dateParse(item[i].pubdate);
		var node=document.createElement('DIV');
		node.time=date.getTime()/1000;
		node.className='rss_item';
		var html=division.replace('{author}', (item[i].author?item[i].author:'')+(name?'@<b>'+name+'</b>':''));
		html=html.replace('{title}', item[i].title?item[i].title:'No title');
		html=html.replace('{link}', item[i].link?item[i].link:'');
		html=html.replace('{pubdate}', timestampConvert(date.getTime()/1000, 'y-m-d h:i:s'));
		html=html.replace('{description}', item[i].description.wcut(strCut, '..'));
		node.innerHTML=html;
		rssInsertNode(div, node);
	}
	if (argument['callback'])
		argument['callback'](argument, tree);
}

function rssInsertNode(div, node) {
	if (div.childNodes.length > 0) {
		for (var i=div.childNodes.length; i--;) {
			if (div.childNodes[i].time > node.time) {
				if (div.childNodes[i+1])
					div.insertBefore(node, div.childNodes[i+1]);
				else
					div.appendChild(node);
				return;
			}
		}
		div.insertBefore(node, div.childNodes[0]);
	}else div.appendChild(node);
}