/* http://keith-wood.name/bookmark.html
   Sharing bookmarks for jQuery v1.2.0.
   Written by Keith Wood (kbwood{at}iinet.com.au) March 2008.
   Dual licensed under the GPL (http://dev.jquery.com/browser/trunk/jquery/GPL-LICENSE.txt) and 
   MIT (http://dev.jquery.com/browser/trunk/jquery/MIT-LICENSE.txt) licenses. 
   Please attribute the author if you use it. */


(function($) { // Hide scope, no $ conflict

var PROP_NAME = 'bookmark';

/* Bookmark sharing manager. */
function Bookmark() {
	this._defaults = {
		url: '',  // The URL to bookmark, leave blank for the current page
		title: '',  // The title to bookmark, leave blank for the current one
		sites: [],  // List of site IDs to use, empty for all
		iconsStyle: 'bookmark_icons', // CSS class for site icons
		icons: 'bookmarks.png', // Horizontal amalgamation of all site icons
		iconSize: 16,  // The size of the individual icons
		iconCols: 16,  // The number of icons across the combined image
		target: '_blank',  // The name of the target window for the bookmarking links
		compact: true,  // True if a compact presentation should be used, false for full
		hint: 'Empfehlen auf {s}',  // Popup hint for links, {s} is replaced by display name
		popup: false, // True to have it popup on demand, false to show always
		popupText: 'Bookmark this site...', // Text for the popup trigger
		addFavorite: false,  // True to add a 'add to favourites' link, false for none
		favoriteText: 'Favorite',  // Display name for the favourites link
		favoriteIcon: 0,  // Icon for the favourites link
		addEmail: false,  // True to add a 'e-mail a friend' link, false for none
		emailText: 'E-Mail',  // Display name for the e-mail link
		emailIcon: 1,  // Icon for the e-mail link
		emailSubject: 'Surftipp',  // The subject for the e-mail
		emailBody: 'Diesen Artikel finde ich lesenswert:\n{t} ({u})', // The body of the e-mail
			// Use '{t}' for the position of the page title, '{u}' for the page URL, and '\n' for new lines
		manualBookmark: 'Please close this dialog and\npress Ctrl-D to bookmark this page.'
			// Instructions for manually bookmarking the page
	};
	this._sites = {  // The definitions of the available bookmarking sites
	 		
		
		'studivz': {display: 'studiVZ', icon: 2,
				url: 'http://www.studivz.net/Suggest/Selection/?u={u}&desc={t}'},
		'ask': {display: 'Ask', icon: 3,
			url: 'http://myjeeves.ask.com/mysearch/BookmarkIt?v=1.2&t=webpages&url={u}&title={t}'},
		'delicious': {display: 'del.icio.us', icon: 7,
			url: 'http://del.icio.us/post?url={u}&title={t}'},
		'digg': {display: 'Digg', icon: 8,
			url: 'http://digg.com/submit?phase=2&url={u}&title={t}'},
		'facebook': {display: 'Facebook', icon: 11,
			url: 'http://www.facebook.com/sharer.php?u={u}&t={t}'},
		'folkd': {display: 'Folkd', icon: 85,
			url: 'http://www.folkd.com/submit/{u}'},
		'google': {display: 'Google', icon: 16,
			url: 'http://www.google.com/bookmarks/mark?op=edit&bkmk={u}&title={t}'},
		'linkarena': {display: 'Linkarena', icon: 70,
			url: 'http://linkarena.com/bookmarks/addlink/?url={u}&title={t}&desc=&tags='},			
		'linkedin': {display: 'LinkedIn', icon: 66,
			url: 'http://www.linkedin.com/shareArticle?mini=true&url={u}&title={t}&ro=false&summary=&source='},
		'misterwong': {display: 'Mister Wong', icon: 22,
			url: 'http://www.mister-wong.com/index.php?action=addurl&bm_url={u}&bm_description={t}'},
		'myspace': {display: 'MySpace', icon: 25,
			url: 'http://www.myspace.com/Modules/PostTo/Pages/?u={u}&t={t}'},
		'newsvine': {display: 'Newsvine', icon: 28,
			url: 'http://www.newsvine.com/_wine/save?u={u}&h={t}'},
		'reddit': {display: 'reddit', icon: 30,
			url: 'http://reddit.com/submit?url={u}&title={t}'},
		'slashdot': {display: 'Slashdot', icon: 33,
			url: 'http://slashdot.org/bookmark.pl?url={u}&title={t}'},
		'stumbleupon': {display: 'StumbleUpon', icon: 36,
			url: 'http://www.stumbleupon.com/submit?url={u}&title={t}'},
		'technorati': {display: 'Technorati', icon: 38,
			url: 'http://www.technorati.com/faves?add={u}'},
		'tumblr': {display: 'tumblr', icon: 119,
			url: 'http://www.tumblr.com/share?v=3&u={u}&t={t}'},
		'twitthis': {display: 'Twitter', icon: 45,
			url: 'http://twitthis.com/twit?url={u}'},
		'webnews': {display: 'WebNews', icon: 122,
			url: 'http://www.webnews.de/einstellen?url={u}&title={t}'},
		'wikio': {display: 'Wikio', icon: 47,
			url: 'http://www.wikio.com/vote?newurl={u}'},
		'windows': {display: 'Windows Live', icon: 40,
			url: 'https://favorites.live.com/quickadd.aspx?marklet=1&mkt=en-us&url={u}&title={t}'},
		'yahoo': {display: 'Yahoo Bookmarks', icon: 60,
			url: 'http://bookmarks.yahoo.com/toolbar/savebm?opener=tb&u={u}&t={t}'},
		'yigg': {display: 'Yigg', icon: 61,
			url: 'http://www.yigg.de/neu?exturl={u}&exttitle={t}'},
	};
}

$.extend(Bookmark.prototype, {

	markerClassName: 'hasBookmark',


	setDefaults: function(settings) {
		extendRemove(this._defaults, settings || {});
		return this;
	},


	addSite: function(id, display, icon, url) {
		this._sites[id] = {display: display, icon: icon, url: url};
		return this;
	},

	
	getSites: function() {
		return this._sites;
	},


	_attachBookmark: function(target, settings) {
		target = $(target);
		if (target.hasClass(this.markerClassName)) {
			return;
		}
		target.addClass(this.markerClassName);
		this._updateBookmark(target, settings);
	},


	_changeBookmark: function(target, settings) {
		target = $(target);
		if (!target.hasClass(this.markerClassName)) {
			return;
		}
		this._updateBookmark(target, settings);
	},


	_updateBookmark: function(target, settings) {
		var oldSettings = $.data(target[0], PROP_NAME) || $.extend({}, this._defaults);
		settings = extendRemove(oldSettings, settings || {});
		$.data(target[0], PROP_NAME, settings);
		var sites = settings.sites;
		if (sites.length == 0) {
			$.each(this._sites, function(id) {
				sites.push(id);
			});
		}
		var hint = settings.hint || '{s}';
		var html = (settings.popup ? '<a href="#" class="bookmark_popup_text">' +
			settings.popupText + '</a><div class="bookmark_popup">' : '') +
			'<ul class="bookmark_list' + (settings.compact ? ' bookmark_compact' : '') + '">';
		var addSite = function(display, icon, url, onclick) {
			var html = '<li><a href="' + url + '"' + (onclick ? ' onclick="' + onclick + '"' :
				(settings.target ? ' target="' + settings.target + '"' : '')) + '>';
			if (icon != null) {
				var title = hint.replace(/\{s\}/, display);
				if (typeof icon == 'number') {
					html += '<span title="' + title + '" ' +
						(settings.iconsStyle ? 'class="' + settings.iconsStyle + '" ' : '') +
						'style="' + (settings.iconsStyle ? 'background-position: ' :
						'background: transparent url(' + settings.icons + ') no-repeat ') + '-' +
						((icon % settings.iconCols) * settings.iconSize) + 'px -' +
						(Math.floor(icon / settings.iconCols) * settings.iconSize) + 'px;' +
						($.browser.mozilla && $.browser.version < '1.9' ?
						' padding-left: ' + settings.iconSize + 'px; padding-bottom: ' +
						(Math.max(0, settings.iconSize - 16)) + 'px;' : '') + '"></span>';
				}
				else {
					html += '<img src="' + icon + '" alt="' + title + '" title="' +
						title + '"' + (($.browser.mozilla && $.browser.version < '1.9') ||
						($.browser.msie && $.browser.version < '7.0') ?
						' style="vertical-align: bottom;"' :
						($.browser.msie ? ' style="vertical-align: middle;"' :
						($.browser.opera || $.browser.safari ?
						' style="vertical-align: baseline;"' : ''))) + '/>';
				}
				html +=	(settings.compact ? '' : '&#xa0;');
			}
			html +=	(settings.compact ? '' : display) + '</a></li>';
			return html;
		};
		var url = settings.url || window.location.href;
		var title = settings.title || document.title;
		if (settings.addFavorite) {
			html += addSite(settings.favoriteText, settings.favoriteIcon,
				'#', 'jQuery.bookmark._addFavourite(\'' + url.replace(/'/g, '\\\'') +
				'\',\'' + title.replace(/'/g, '\\\'') + '\')');
		}
		if (settings.addEmail) {
			html += addSite(settings.emailText, settings.emailIcon,
				'mailto:?subject=' + encodeURIComponent(settings.emailSubject) +
				'&amp;body=' + encodeURIComponent(settings.emailBody.
				replace(/{u}/, url).replace(/{t}/, title)));
		}
		url = encodeURIComponent(url);
		title = encodeURIComponent(title);
		var allSites = this._sites;
		$.each(sites, function(index, id) {
			var site = allSites[id];
			if (site) {
				html += addSite(site.display, site.icon,
					site.url.replace(/{u}/, url).replace(/{t}/, title));
			}
		});
		html += '</ul>' + (settings.popup ? '</div>' : '');
		target.html(html);
		if (settings.popup) {
			$(target).find('.bookmark_popup_text').click(function() {
				var target = $(this).parent();
				var offset = target.offset();
				$('.bookmark_popup', target).css('left', offset.left).
					css('top', offset.top + target.outerHeight()).
					toggle();
				return false;
			});
			$(document).click(function(event) { // Close on external click
				$('.bookmark_popup', target).hide();
			});
		}
	},


	_destroyBookmark: function(target) {
		target = $(target);
		if (!target.hasClass(this.markerClassName)) {
			return;
		}
		target.removeClass(this.markerClassName).empty();
		$.removeData(target[0], PROP_NAME);
	},


	_addFavourite: function(url, title) {
		if ($.browser.msie) {
			window.external.addFavorite(url, title);
		}
		else {
			alert(this._defaults.manualBookmark);
		}
	}
});


function extendRemove(target, props) {
	$.extend(target, props);
	for (var name in props) {
		if (props[name] == null) {
			target[name] = null;
		}
	}
	return target;
}


$.fn.bookmark = function(options) {
	var otherArgs = Array.prototype.slice.call(arguments, 1);
	return this.each(function() {
		if (typeof options == 'string') {
			$.bookmark['_' + options + 'Bookmark'].
				apply($.bookmark, [this].concat(otherArgs));
		}
		else {
			$.bookmark._attachBookmark(this, options || {});
		}
	});
};

/* Initialise the bookmarking functionality. */
$.bookmark = new Bookmark(); // singleton instance

})(jQuery);