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/*!

 * jQuery Templates Plugin 1.0.0pre

 * http://github.com/jquery/jquery-tmpl

 * Requires jQuery 1.4.2

 *

 * Copyright 2011, Software Freedom Conservancy, Inc.

 * Dual licensed under the MIT or GPL Version 2 licenses.

 * http://jquery.org/license

 */

(function( jQuery, undefined ){

	var oldManip = jQuery.fn.domManip, tmplItmAtt = "_tmplitem", htmlExpr = /^[^<]*(<[\w\W]+>)[^>]*$|\{\{\! /,

		newTmplItems = {}, wrappedItems = {}, appendToTmplItems, topTmplItem = { key: 0, data: {} }, itemKey = 0, cloneIndex = 0, stack = [];

	function newTmplItem( options, parentItem, fn, data ) {

		// Returns a template item data structure for a new rendered instance of a template (a 'template item').

		// The content field is a hierarchical array of strings and nested items (to be

		// removed and replaced by nodes field of dom elements, once inserted in DOM).

		var newItem = {

			data: data || (data === 0 || data === false) ? data : (parentItem ? parentItem.data : {}),

			_wrap: parentItem ? parentItem._wrap : null,

			tmpl: null,

			parent: parentItem || null,

			nodes: [],

			calls: tiCalls,

			nest: tiNest,

			wrap: tiWrap,

			html: tiHtml,

			update: tiUpdate

		};

		if ( options ) {

			jQuery.extend( newItem, options, { nodes: [], parent: parentItem });

		}

		if ( fn ) {

			// Build the hierarchical content to be used during insertion into DOM

			newItem.tmpl = fn;

			newItem._ctnt = newItem._ctnt || newItem.tmpl( jQuery, newItem );

			newItem.key = ++itemKey;

			// Keep track of new template item, until it is stored as jQuery Data on DOM element

			(stack.length ? wrappedItems : newTmplItems)[itemKey] = newItem;

		}

		return newItem;

	}

	// Override appendTo etc., in order to provide support for targeting multiple elements. (This code would disappear if integrated in jquery core).

	jQuery.each({

		appendTo: "append",

		prependTo: "prepend",

		insertBefore: "before",

		insertAfter: "after",

		replaceAll: "replaceWith"

	}, function( name, original ) {

		jQuery.fn[ name ] = function( selector ) {

			var ret = [], insert = jQuery( selector ), elems, i, l, tmplItems,

				parent = this.length === 1 && this[0].parentNode;

			appendToTmplItems = newTmplItems || {};

			if ( parent && parent.nodeType === 11 && parent.childNodes.length === 1 && insert.length === 1 ) {

				insert[ original ]( this[0] );

				ret = this;

			} else {

				for ( i = 0, l = insert.length; i < l; i++ ) {

					cloneIndex = i;

					elems = (i > 0 ? this.clone(true) : this).get();

					jQuery( insert[i] )[ original ]( elems );

					ret = ret.concat( elems );

				}

				cloneIndex = 0;

				ret = this.pushStack( ret, name, insert.selector );

			}

			tmplItems = appendToTmplItems;

			appendToTmplItems = null;

			jQuery.tmpl.complete( tmplItems );

			return ret;

		};

	});

	jQuery.fn.extend({

		// Use first wrapped element as template markup.

		// Return wrapped set of template items, obtained by rendering template against data.

		tmpl: function( data, options, parentItem ) {

			return jQuery.tmpl( this[0], data, options, parentItem );

		},

		// Find which rendered template item the first wrapped DOM element belongs to

		tmplItem: function() {

			return jQuery.tmplItem( this[0] );

		},

		// Consider the first wrapped element as a template declaration, and get the compiled template or store it as a named template.

		template: function( name ) {

			return jQuery.template( name, this[0] );

		},

		domManip: function( args, table, callback, options ) {

			if ( args[0] && jQuery.isArray( args[0] )) {

				var dmArgs = jQuery.makeArray( arguments ), elems = args[0], elemsLength = elems.length, i = 0, tmplItem;

				while ( i < elemsLength && !(tmplItem = jQuery.data( elems[i++], "tmplItem" ))) {}

				if ( tmplItem && cloneIndex ) {

					dmArgs[2] = function( fragClone ) {

						// Handler called by oldManip when rendered template has been inserted into DOM.

						jQuery.tmpl.afterManip( this, fragClone, callback );

					};

				}

				oldManip.apply( this, dmArgs );

			} else {

				oldManip.apply( this, arguments );

			}

			cloneIndex = 0;

			if ( !appendToTmplItems ) {

				jQuery.tmpl.complete( newTmplItems );

			}

			return this;

		}

	});

	jQuery.extend({

		// Return wrapped set of template items, obtained by rendering template against data.

		tmpl: function( tmpl, data, options, parentItem ) {

			var ret, topLevel = !parentItem;

			if ( topLevel ) {

				// This is a top-level tmpl call (not from a nested template using {{tmpl}})

				parentItem = topTmplItem;

				tmpl = jQuery.template[tmpl] || jQuery.template( null, tmpl );

				wrappedItems = {}; // Any wrapped items will be rebuilt, since this is top level

			} else if ( !tmpl ) {

				// The template item is already associated with DOM - this is a refresh.

				// Re-evaluate rendered template for the parentItem

				tmpl = parentItem.tmpl;

				newTmplItems[parentItem.key] = parentItem;

				parentItem.nodes = [];

				if ( parentItem.wrapped ) {

					updateWrapped( parentItem, parentItem.wrapped );

				}

				// Rebuild, without creating a new template item

				return jQuery( build( parentItem, null, parentItem.tmpl( jQuery, parentItem ) ));

			}

			if ( !tmpl ) {

				return []; // Could throw...

			}

			if ( typeof data === "function" ) {

				data = data.call( parentItem || {} );

			}

			if ( options && options.wrapped ) {

				updateWrapped( options, options.wrapped );

			}

			ret = jQuery.isArray( data ) ?

				jQuery.map( data, function( dataItem ) {

					return dataItem ? newTmplItem( options, parentItem, tmpl, dataItem ) : null;

				}) :

				[ newTmplItem( options, parentItem, tmpl, data ) ];

			return topLevel ? jQuery( build( parentItem, null, ret ) ) : ret;

		},

		// Return rendered template item for an element.

		tmplItem: function( elem ) {

			var tmplItem;

			if ( elem instanceof jQuery ) {

				elem = elem[0];

			}

			while ( elem && elem.nodeType === 1 && !(tmplItem = jQuery.data( elem, "tmplItem" )) && (elem = elem.parentNode) ) {}

			return tmplItem || topTmplItem;

		},

		// Set:

		// Use $.template( name, tmpl ) to cache a named template,

		// where tmpl is a template string, a script element or a jQuery instance wrapping a script element, etc.

		// Use $( "selector" ).template( name ) to provide access by name to a script block template declaration.

		// Get:

		// Use $.template( name ) to access a cached template.

		// Also $( selectorToScriptBlock ).template(), or $.template( null, templateString )

		// will return the compiled template, without adding a name reference.

		// If templateString includes at least one HTML tag, $.template( templateString ) is equivalent

		// to $.template( null, templateString )

		template: function( name, tmpl ) {

			if (tmpl) {

				// Compile template and associate with name

				if ( typeof tmpl === "string" ) {

					// This is an HTML string being passed directly in.

					tmpl = buildTmplFn( tmpl );

				} else if ( tmpl instanceof jQuery ) {

					tmpl = tmpl[0] || {};

				}

				if ( tmpl.nodeType ) {

					// If this is a template block, use cached copy, or generate tmpl function and cache.

					tmpl = jQuery.data( tmpl, "tmpl" ) || jQuery.data( tmpl, "tmpl", buildTmplFn( tmpl.innerHTML ));

					// Issue: In IE, if the container element is not a script block, the innerHTML will remove quotes from attribute values whenever the value does not include white space.

					// This means that foo="${x}" will not work if the value of x includes white space: foo="${x}" -> foo=value of x.

					// To correct this, include space in tag: foo="${ x }" -> foo="value of x"

				}

				return typeof name === "string" ? (jQuery.template[name] = tmpl) : tmpl;

			}

			// Return named compiled template

			return name ? (typeof name !== "string" ? jQuery.template( null, name ):

				(jQuery.template[name] ||

					// If not in map, and not containing at least on HTML tag, treat as a selector.

					// (If integrated with core, use quickExpr.exec)

					jQuery.template( null, htmlExpr.test( name ) ? name : jQuery( name )))) : null;

		},

		encode: function( text ) {

			// Do HTML encoding replacing < > & and ' and " by corresponding entities.

			return ("" + text).split("<").join("&lt;").split(">").join("&gt;").split('"').join("&#34;").split("'").join("&#39;");

		}

	});

	jQuery.extend( jQuery.tmpl, {

		tag: {

			"tmpl": {

				_default: { $2: "null" },

				open: "if($notnull_1){__=__.concat($item.nest($1,$2));}"

				// tmpl target parameter can be of type function, so use $1, not $1a (so not auto detection of functions)

				// This means that {{tmpl foo}} treats foo as a template (which IS a function).

				// Explicit parens can be used if foo is a function that returns a template: {{tmpl foo()}}.

			},

			"wrap": {

				_default: { $2: "null" },

				open: "$item.calls(__,$1,$2);__=[];",

				close: "call=$item.calls();__=call._.concat($item.wrap(call,__));"

			},

			"each": {

				_default: { $2: "$index, $value" },

				open: "if($notnull_1){$.each($1a,function($2){with(this){",

				close: "}});}"

			},

			"if": {

				open: "if(($notnull_1) && $1a){",

				close: "}"

			},

			"else": {

				_default: { $1: "true" },

				open: "}else if(($notnull_1) && $1a){"

			},

			"html": {

				// Unecoded expression evaluation.

				open: "if($notnull_1){__.push($1a);}"

			},

			"=": {

				// Encoded expression evaluation. Abbreviated form is ${}.

				_default: { $1: "$data" },

				open: "if($notnull_1){__.push($.encode($1a));}"

			},

			"!": {

				// Comment tag. Skipped by parser

				open: ""

			}

		},

		// This stub can be overridden, e.g. in jquery.tmplPlus for providing rendered events

		complete: function( items ) {

			newTmplItems = {};

		},

		// Call this from code which overrides domManip, or equivalent

		// Manage cloning/storing template items etc.

		afterManip: function afterManip( elem, fragClone, callback ) {

			// Provides cloned fragment ready for fixup prior to and after insertion into DOM

			var content = fragClone.nodeType === 11 ?

				jQuery.makeArray(fragClone.childNodes) :

				fragClone.nodeType === 1 ? [fragClone] : [];

			// Return fragment to original caller (e.g. append) for DOM insertion

			callback.call( elem, fragClone );

			// Fragment has been inserted:- Add inserted nodes to tmplItem data structure. Replace inserted element annotations by jQuery.data.

			storeTmplItems( content );

			cloneIndex++;

		}

	});

	//========================== Private helper functions, used by code above ==========================

	function build( tmplItem, nested, content ) {

		// Convert hierarchical content into flat string array

		// and finally return array of fragments ready for DOM insertion

		var frag, ret = content ? jQuery.map( content, function( item ) {

			return (typeof item === "string") ?

				// Insert template item annotations, to be converted to jQuery.data( "tmplItem" ) when elems are inserted into DOM.

				(tmplItem.key ? item.replace( /(<\w+)(?=[\s>])(?![^>]*_tmplitem)([^>]*)/g, "$1 " + tmplItmAtt + "=\"" + tmplItem.key + "\" $2" ) : item) :

				// This is a child template item. Build nested template.

				build( item, tmplItem, item._ctnt );

		}) :

		// If content is not defined, insert tmplItem directly. Not a template item. May be a string, or a string array, e.g. from {{html $item.html()}}.

		tmplItem;

		if ( nested ) {

			return ret;

		}

		// top-level template

		ret = ret.join("");

		// Support templates which have initial or final text nodes, or consist only of text

		// Also support HTML entities within the HTML markup.

		ret.replace( /^\s*([^<\s][^<]*)?(<[\w\W]+>)([^>]*[^>\s])?\s*$/, function( all, before, middle, after) {

			frag = jQuery( middle ).get();

			storeTmplItems( frag );

			if ( before ) {

				frag = unencode( before ).concat(frag);

			}

			if ( after ) {

				frag = frag.concat(unencode( after ));

			}

		});

		return frag ? frag : unencode( ret );

	}

	function unencode( text ) {

		// Use createElement, since createTextNode will not render HTML entities correctly

		var el = document.createElement( "div" );

		el.innerHTML = text;

		return jQuery.makeArray(el.childNodes);

	}

	// Generate a reusable function that will serve to render a template against data

	function buildTmplFn( markup ) {

		return new Function("jQuery","$item",

			// Use the variable __ to hold a string array while building the compiled template. (See https://github.com/jquery/jquery-tmpl/issues#issue/10).

			"var $=jQuery,call,__=[],$data=$item.data;" +

			// Introduce the data as local variables using with(){}

			"with($data){__.push('" +

			// Convert the template into pure JavaScript

			jQuery.trim(markup)

				.replace( /([\\'])/g, "\\$1" )

				.replace( /[\r\t\n]/g, " " )

				.replace( /\$\{([^\}]*)\}/g, "{{= $1}}" )

				.replace( /\{\{(\/?)(\w+|.)(?:\(((?:[^\}]|\}(?!\}))*?)?\))?(?:\s+(.*?)?)?(\(((?:[^\}]|\}(?!\}))*?)\))?\s*\}\}/g,

				function( all, slash, type, fnargs, target, parens, args ) {

					var tag = jQuery.tmpl.tag[ type ], def, expr, exprAutoFnDetect;

					if ( !tag ) {

						throw "Unknown template tag: " + type;

					}

					def = tag._default || [];

					if ( parens && !/\w$/.test(target)) {

						target += parens;

						parens = "";

					}

					if ( target ) {

						target = unescape( target );

						args = args ? ("," + unescape( args ) + ")") : (parens ? ")" : "");

						// Support for target being things like a.toLowerCase();

						// In that case don't call with template item as 'this' pointer. Just evaluate...

						expr = parens ? (target.indexOf(".") > -1 ? target + unescape( parens ) : ("(" + target + ").call($item" + args)) : target;

						exprAutoFnDetect = parens ? expr : "(typeof(" + target + ")==='function'?(" + target + ").call($item):(" + target + "))";

					} else {

						exprAutoFnDetect = expr = def.$1 || "null";

					}

					fnargs = unescape( fnargs );

					return "');" +

						tag[ slash ? "close" : "open" ]

							.split( "$notnull_1" ).join( target ? "typeof(" + target + ")!=='undefined' && (" + target + ")!=null" : "true" )

							.split( "$1a" ).join( exprAutoFnDetect )

							.split( "$1" ).join( expr )

							.split( "$2" ).join( fnargs || def.$2 || "" ) +

						"__.push('";

				}) +

			"');}return __;"

		);

	}

	function updateWrapped( options, wrapped ) {

		// Build the wrapped content.

		options._wrap = build( options, true,

			// Suport imperative scenario in which options.wrapped can be set to a selector or an HTML string.

			jQuery.isArray( wrapped ) ? wrapped : [htmlExpr.test( wrapped ) ? wrapped : jQuery( wrapped ).html()]

		).join("");

	}

	function unescape( args ) {

		return args ? args.replace( /\\'/g, "'").replace(/\\\\/g, "\\" ) : null;

	}

	function outerHtml( elem ) {

		var div = document.createElement("div");

		div.appendChild( elem.cloneNode(true) );

		return div.innerHTML;

	}

	// Store template items in jQuery.data(), ensuring a unique tmplItem data data structure for each rendered template instance.

	function storeTmplItems( content ) {

		var keySuffix = "_" + cloneIndex, elem, elems, newClonedItems = {}, i, l, m;

		for ( i = 0, l = content.length; i < l; i++ ) {

			if ( (elem = content[i]).nodeType !== 1 ) {

				continue;

			}

			elems = elem.getElementsByTagName("*");

			for ( m = elems.length - 1; m >= 0; m-- ) {

				processItemKey( elems[m] );

			}

			processItemKey( elem );

		}

		function processItemKey( el ) {

			var pntKey, pntNode = el, pntItem, tmplItem, key;

			// Ensure that each rendered template inserted into the DOM has its own template item,

			if ( (key = el.getAttribute( tmplItmAtt ))) {

				while ( pntNode.parentNode && (pntNode = pntNode.parentNode).nodeType === 1 && !(pntKey = pntNode.getAttribute( tmplItmAtt ))) { }

				if ( pntKey !== key ) {

					// The next ancestor with a _tmplitem expando is on a different key than this one.

					// So this is a top-level element within this template item

					// Set pntNode to the key of the parentNode, or to 0 if pntNode.parentNode is null, or pntNode is a fragment.

					pntNode = pntNode.parentNode ? (pntNode.nodeType === 11 ? 0 : (pntNode.getAttribute( tmplItmAtt ) || 0)) : 0;

					if ( !(tmplItem = newTmplItems[key]) ) {

						// The item is for wrapped content, and was copied from the temporary parent wrappedItem.

						tmplItem = wrappedItems[key];

						tmplItem = newTmplItem( tmplItem, newTmplItems[pntNode]||wrappedItems[pntNode] );

						tmplItem.key = ++itemKey;

						newTmplItems[itemKey] = tmplItem;

					}

					if ( cloneIndex ) {

						cloneTmplItem( key );

					}

				}

				el.removeAttribute( tmplItmAtt );

			} else if ( cloneIndex && (tmplItem = jQuery.data( el, "tmplItem" )) ) {

				// This was a rendered element, cloned during append or appendTo etc.

				// TmplItem stored in jQuery data has already been cloned in cloneCopyEvent. We must replace it with a fresh cloned tmplItem.

				cloneTmplItem( tmplItem.key );

				newTmplItems[tmplItem.key] = tmplItem;

				pntNode = jQuery.data( el.parentNode, "tmplItem" );

				pntNode = pntNode ? pntNode.key : 0;

			}

			if ( tmplItem ) {

				pntItem = tmplItem;

				// Find the template item of the parent element.

				// (Using !=, not !==, since pntItem.key is number, and pntNode may be a string)

				while ( pntItem && pntItem.key != pntNode ) {

					// Add this element as a top-level node for this rendered template item, as well as for any

					// ancestor items between this item and the item of its parent element

					pntItem.nodes.push( el );

					pntItem = pntItem.parent;

				}

				// Delete content built during rendering - reduce API surface area and memory use, and avoid exposing of stale data after rendering...

				delete tmplItem._ctnt;

				delete tmplItem._wrap;

				// Store template item as jQuery data on the element

				jQuery.data( el, "tmplItem", tmplItem );

			}

			function cloneTmplItem( key ) {

				key = key + keySuffix;

				tmplItem = newClonedItems[key] =

					(newClonedItems[key] || newTmplItem( tmplItem, newTmplItems[tmplItem.parent.key + keySuffix] || tmplItem.parent ));

			}

		}

	}

	//---- Helper functions for template item ----

	function tiCalls( content, tmpl, data, options ) {

		if ( !content ) {

			return stack.pop();

		}

		stack.push({ _: content, tmpl: tmpl, item:this, data: data, options: options });

	}

	function tiNest( tmpl, data, options ) {

		// nested template, using {{tmpl}} tag

		return jQuery.tmpl( jQuery.template( tmpl ), data, options, this );

	}

	function tiWrap( call, wrapped ) {

		// nested template, using {{wrap}} tag

		var options = call.options || {};

		options.wrapped = wrapped;

		// Apply the template, which may incorporate wrapped content,

		return jQuery.tmpl( jQuery.template( call.tmpl ), call.data, options, call.item );

	}

	function tiHtml( filter, textOnly ) {

		var wrapped = this._wrap;

		return jQuery.map(

			jQuery( jQuery.isArray( wrapped ) ? wrapped.join("") : wrapped ).filter( filter || "*" ),

			function(e) {

				return textOnly ?

					e.innerText || e.textContent :

					e.outerHTML || outerHtml(e);

			});

	}

	function tiUpdate() {

		var coll = this.nodes;

		jQuery.tmpl( null, null, null, this).insertBefore( coll[0] );

		jQuery( coll ).remove();

	}

})( jQuery );