/*
 * jQuery clueTip plugin
 * Version 0.9.2.1 (10/07/2007)
 * @requires jQuery v1.1.1+
 * @requires Dimensions plugin 
 *
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 */
(function($) { 
 var $cluetip, $cluetipInner, $cluetipOuter, $cluetipTitle, $dropShadow, imgCount;
 $.fn.cluetip = function(options) {
 var defaults = { // set up default options
 width: 275,
 height: 'auto',
 cluezIndex: 97,
 positionBy: 'auto',
 topOffset: 15,
 leftOffset: 15,
 local: false,
 hideLocal: true,
 attribute: 'rel',
 titleAttribute: 'title',
 splitTitle: '',
 showTitle: true,
 cluetipClass: 'default',
 hoverClass: '',
 waitImage: true,
 cursor: 'pointer',
 arrows: false, 
 dropShadow: true,
 dropShadowSteps: 6,
 sticky: false,
 mouseOutClose: false,
 activation: 'hover',
 closePosition: 'top',
 closeText: 'Close',
 truncate: 0,
 fx: { 
 open: 'show',
 openSpeed: ''
 }, 
 hoverIntent: { 
 sensitivity: 3,
 			 interval: 50,
 			 timeout: 0
 }, 
 onActivate: function(e) {return true;},
 onShow: function(ct, c){},
 ajaxCache: true, 
 ajaxProcess: function(data) {
 data = $(data).not('style, meta, link, script, title');
 return data;
 }, 
 ajaxSettings: { 
 dataType: 'html'
 }
 };
 
 if (options && options.ajaxSettings) {
 $.extend(defaults.ajaxSettings, options.ajaxSettings);
 delete options.ajaxSettings;
 }
 if (options && options.fx) {
 $.extend(defaults.fx, options.fx);
 delete options.fx;
 }
 if (options && options.hoverIntent) {
 $.extend(defaults.hoverIntent, options.hoverIntent);
 delete options.hoverIntent;
 }
 $.extend(defaults, options);
 return this.each(function() {
 var cluetipContents = false;
 var cluezIndex = parseInt(defaults.cluezIndex, 10)-1;
 var isActive = false;
 if (!$cluetip) {
 $cluetipInner = $('<div id="cluetip-inner"></div>');
 $cluetipTitle = $('<h3 id="cluetip-title"></h3>'); 
 $cluetipOuter = $('<div id="cluetip-outer"></div>').append($cluetipInner).prepend($cluetipTitle);
 $cluetip = $('<div></div>').attr({'id': 'cluetip'}).css({zIndex: defaults.cluezIndex})
 .append($cluetipOuter)[insertionType](insertionElement).hide();
 $('<div id="cluetip-waitimage"></div>').css({position: 'absolute', zIndex: cluezIndex-1})
 .insertBefore('#cluetip').hide();
 $cluetip.css({position: 'absolute', zIndex: cluezIndex});
 $cluetipOuter.css({position: 'relative', zIndex: cluezIndex+1});
 }
 var dropShadowSteps = (defaults.dropShadow) ? +defaults.dropShadowSteps : 0;
 if (!$dropShadow) {
 $dropShadow = $([]);
 for (var i=0; i < dropShadowSteps; i++) {
 $dropShadow = $dropShadow.add($('<div></div>').css({zIndex: cluezIndex-i-1, opacity:.1, top: 1+i, left: 1+i}));
 };
 $dropShadow.css({position: 'absolute', backgroundColor: '#000'})
 .prependTo($cluetip);
 }
 var $this = $(this); 
 var tipAttribute = $this.attr(defaults.attribute), ctClass = defaults.cluetipClass;
 if (!tipAttribute && !defaults.splitTitle) return true;
 if (defaults.local && defaults.hideLocal) { $(tipAttribute).hide(); }
 var tOffset = parseInt(defaults.topOffset, 10), lOffset = parseInt(defaults.leftOffset, 10);
 var tipHeight, wHeight;
 var defHeight = isNaN(parseInt(defaults.height, 10)) ? 'auto' : (/\D/g).test(defaults.height) ? defaults.height : defaults.height + 'px';
 var sTop, linkTop, posY, tipY, mouseY;
 var tipWidth = parseInt(defaults.width, 10) + parseInt($cluetip.css('paddingLeft')) + parseInt($cluetip.css('paddingRight')) + dropShadowSteps;
 if( isNaN(tipWidth) ) tipWidth = 275;
 var linkWidth = this.offsetWidth;
 var linkLeft, posX, tipX, mouseX, winWidth;
 var tipParts;
 var tipTitle = (defaults.attribute != 'title') ? $this.attr(defaults.titleAttribute) : '';
 if (defaults.splitTitle) {
 tipParts = tipTitle.split(defaults.splitTitle);
 tipTitle = tipParts.shift();
 }
 var localContent;

/*************************************** 
* ACTIVATION
****************************************/
 var activate = function(event) {
 if (!defaults.onActivate($this)) {
 return false;
 }
 isActive = true;
 $cluetip.removeClass().css({width: defaults.width});
 if (tipAttribute == $this.attr('href')) {
 $this.css('cursor', defaults.cursor);
 }
 $this.attr('title','');
 if (defaults.hoverClass) {
 $this.addClass(defaults.hoverClass);
 }
 linkTop = posY = $this.offset().top;
 linkLeft = $this.offset().left;
 mouseX = event.pageX;
 mouseY = event.pageY;
 if ($this[0].tagName.toLowerCase() != 'area') {
 sTop = $(document).scrollTop();
 winWidth = $(window).width();
 }
 if (defaults.positionBy == 'fixed') {
 posX = linkWidth + linkLeft + lOffset;
 $cluetip.css({left: posX});
 } else {
 posX = (linkWidth > linkLeft && linkLeft > tipWidth)
 || linkLeft + linkWidth + tipWidth + lOffset > winWidth 
 ? linkLeft - tipWidth - lOffset 
 : linkWidth + linkLeft + lOffset;
 if ($this[0].tagName.toLowerCase() == 'area' || defaults.positionBy == 'mouse' || linkWidth + tipWidth > winWidth) { // position by mouse
 if (mouseX + 20 + tipWidth > winWidth) { 
 posX = (mouseX - tipWidth - lOffset) >= 0 ? mouseX - tipWidth - lOffset : mouseX - (tipWidth/2);
 } else {
 posX = mouseX + lOffset;
 }
 var pY = posX < 0 ? event.pageY + tOffset : event.pageY;
 }
 $cluetip.css({left: (posX > 0 && defaults.positionBy != 'bottomTop') ? posX : (mouseX + (tipWidth/2) > winWidth) ? winWidth/2 - tipWidth/2 : Math.max(mouseX - (tipWidth/2),0)});
 }
 wHeight = $(window).height();
 if (tipParts) {
 for (var i=0; i < tipParts.length; i++){
 if (i == 0) {
 $cluetipInner.html(tipParts[i]);
 } else { 
 $cluetipInner.append('<div class="split-body">' + tipParts[i] + '</div>');
 } 
 };
 cluetipShow(pY);
 }
/***************************************
* load external file via ajax 
***************************************/
 else if (!defaults.local && tipAttribute.indexOf('#') != 0) {
 if (cluetipContents && defaults.ajaxCache) {
 $cluetipInner.html(cluetipContents);
 cluetipShow(pY);
 }
 else {
 var ajaxSettings = defaults.ajaxSettings;
 ajaxSettings.url = tipAttribute;
 ajaxSettings.beforeSend = function() {
 $cluetipOuter.children().empty();
 if (defaults.waitImage) {
 $('#cluetip-waitimage')
 .css({top: mouseY-10, left: parseInt(posX+(tipWidth/2),10)})
 .show();
 }
 };
 ajaxSettings.error = function() {
 if (isActive) {
 $cluetipInner.html('<i>sorry, the contents could not be loaded</i>');
 }
 };
 ajaxSettings.success = function(data) {
 cluetipContents = defaults.ajaxProcess(data);
 if (isActive) {
 $cluetipInner.html(cluetipContents);
 }
 };
 ajaxSettings.complete = function() {
 	imgCount = $('#cluetip-inner img').length;
 		if (imgCount) {
 		 $('#cluetip-inner img').load( function(){
 			imgCount--;
 			if (imgCount<1) {
 				$('#cluetip-waitimage').hide();
 			 if (isActive) cluetipShow(pY);
 			}
 		 }); 
 		} else {
 				$('#cluetip-waitimage').hide();
 		 if (isActive) cluetipShow(pY); 
 		} 
 };
 $.ajax(ajaxSettings);
 }

/***************************************
* load an element from the same page
***************************************/
 } else if (defaults.local && tipAttribute.indexOf('#') == 0){
 var localContent = $(tipAttribute).html();
 $cluetipInner.html(localContent);
 cluetipShow(pY);
 }
 };
 var cluetipShow = function(bpY) {
 $cluetip.addClass('cluetip-' + ctClass);
 
 if (defaults.truncate) { 
 var $truncloaded = $cluetipInner.text().slice(0,defaults.truncate) + '...';
 $cluetipInner.html($truncloaded);
 }
 function doNothing() {}; //empty function
 tipTitle ? $cluetipTitle.show().html(tipTitle) : (defaults.showTitle) ? $cluetipTitle.show().html('&nbsp;') : $cluetipTitle.hide();
 if (defaults.sticky) {
 var $closeLink = $('<div id="cluetip-close"><a href="#">' + defaults.closeText + '</a></div>');
 (defaults.closePosition == 'bottom') ? $closeLink.appendTo($cluetipInner) : (defaults.closePosition == 'title') ? $closeLink.prependTo($cluetipTitle) : $closeLink.prependTo($cluetipInner);
 $closeLink.click(function() {
 cluetipClose();
 return false;
 });
 if (defaults.mouseOutClose) {
 $cluetip.hover(function() {doNothing(); }, 
 function() {$closeLink.trigger('click'); });
 } else {
 $cluetip.unbind('mouseout');
 }
 }
 var direction = '';
 $cluetipOuter.css({overflow: defHeight == 'auto' ? 'visible' : 'auto', height: defHeight});
 tipHeight = defHeight == 'auto' ? $cluetip.outerHeight() : parseInt(defHeight,10); 
 tipY = posY;
 if (defaults.positionBy == 'fixed') {
 tipY = posY - defaults.dropShadowSteps + tOffset;
 } else if ( (posX < mouseX && Math.max(posX, 0) + tipWidth > mouseX) || defaults.positionBy == 'bottomTop') {
 if (posY + tipHeight + tOffset > sTop + wHeight && mouseY - sTop > tipHeight + tOffset) { 
 tipY = mouseY - tipHeight - tOffset;
 direction = 'top';
 } else { 
 tipY = mouseY + tOffset;
 direction = 'bottom';
 }
 } else if ( posY + tipHeight + tOffset > sTop + wHeight ) {
 tipY = (tipHeight >= wHeight) ? sTop : sTop + wHeight - tipHeight - tOffset;
 } else if ($this.css('display') == 'block' || $this[0].tagName.toLowerCase() == 'area' || defaults.positionBy == "mouse") {
 tipY = bpY - tOffset;
 } else {
 tipY = posY - defaults.dropShadowSteps;
 }
 if (direction == '') {
 posX < linkLeft ? direction = 'left' : direction = 'right';
 }
 $cluetip.css({top: tipY + 'px'}).removeClass().addClass('clue-' + direction + '-' + ctClass).addClass(' cluetip-' + ctClass);
 if (defaults.arrows) { 
 var bgPos = '0 0';
 var bgY = (posY - tipY - defaults.dropShadowSteps);
 if (direction == 'left') {
 bgPos = posX >=0 ? '100% ' + bgY + 'px' : '100% 0';
 } else if (direction == 'right') {
 bgPos = (posX >=0 && bgY > 0) ? '0 ' + bgY + 'px' : '0 0';
 } else if (direction == 'top') {
 bgPos = '50% 100%';
 } else if (direction == 'bottom') {
 bgPos = '50% 0';
 }
 } else {
 bgPos = '0 100%';
 }
 $cluetip.css({backgroundPosition: bgPos});
 $dropShadow.hide();
 $cluetip.hide()[defaults.fx.open](defaults.fx.open != 'show' && defaults.fx.openSpeed);
 if (defaults.dropShadow) $dropShadow.css({height: tipHeight, width: defaults.width}).show();
 defaults.onShow($cluetip, $cluetipInner);
 };

/***************************************
 =INACTIVATION
-------------------------------------- */
 var inactivate = function() {
 isActive = false;
 $('#cluetip-waitimage').hide();
 if (!defaults.sticky) {
 cluetipClose();
 };
 if (defaults.hoverClass) {
 $this.removeClass(defaults.hoverClass);
 }
 };
 var cluetipClose = function() {
 $cluetipOuter 
 .parent().hide().removeClass().end()
 .children().empty();
 if (tipTitle) {
 $this.attr('title', tipTitle);
 }
 };

/***************************************
 =BIND EVENTS
-------------------------------------- */
 if (defaults.activation == 'click'||defaults.activation == 'toggle') {
 $this.click(function(event) {
 if ($cluetip.is(':hidden')) {
 activate(event);
 } else {
 inactivate(event);
 }
 this.blur();
 return false;
 });
 } else {
 $this.click(function() {
 if (tipAttribute == $this.attr('href')) {
 return false;
 }
 });
 if ($.fn.hoverIntent && defaults.hoverIntent) {
 $this.hoverIntent({
 sensitivity: defaults.hoverIntent.sensitivity,
 interval: defaults.hoverIntent.interval, 
 over: function(event) {activate(event);}, 
 timeout: defaults.hoverIntent.timeout, 
 out: function(event) {inactivate(event);}
 }); 
 } else {
 $this.hover(function(event) {
 activate(event);
 }, function(event) {
 inactivate(event);
 });
 }
 }
 });
 };
 var insertionType = 'appendTo', insertionElement = 'body';
 $.cluetip = {};
 $.cluetip.setup = function(options) {
 if (options && options.insertionType && (options.insertionType).match(/appendTo|prependTo|insertBefore|insertAfter/)) {
 insertionType = options.insertionType;
 }
 if (options && options.insertionElement) {
 insertionElement = options.insertionElement;
 }
 };
})(jQuery);