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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 );