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492 lines
19 KiB
492 lines
19 KiB
/*!
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* jQuery Templates Plugin 1.0.0pre
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* http://github.com/jquery/jquery-tmpl
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* Requires jQuery 1.4.2
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*
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* Copyright 2011, Software Freedom Conservancy, Inc.
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* Dual licensed under the MIT or GPL Version 2 licenses.
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* http://jquery.org/license
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*/
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(function( factory ) {
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if (typeof define === 'function' && define.amd) {
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// Loading from AMD script loader. Register as an anonymous module.
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define( ['jquery'], factory );
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} else {
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// Browser using plain <script> tag
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factory( jQuery );
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}
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}(function( jQuery ){
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var oldManip = jQuery.fn.domManip, tmplItmAtt = "_tmplitem", htmlExpr = /^[^<]*(<[\w\W]+>)[^>]*$|\{\{\! /,
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newTmplItems = {}, wrappedItems = {}, appendToTmplItems, topTmplItem = { key: 0, data: {} }, itemKey = 0, cloneIndex = 0, stack = [];
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function newTmplItem( options, parentItem, fn, data ) {
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// Returns a template item data structure for a new rendered instance of a template (a 'template item').
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// The content field is a hierarchical array of strings and nested items (to be
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// removed and replaced by nodes field of dom elements, once inserted in DOM).
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var newItem = {
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data: data || (data === 0 || data === false) ? data : (parentItem ? parentItem.data : {}),
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_wrap: parentItem ? parentItem._wrap : null,
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tmpl: null,
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parent: parentItem || null,
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nodes: [],
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calls: tiCalls,
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nest: tiNest,
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wrap: tiWrap,
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html: tiHtml,
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update: tiUpdate
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};
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if ( options ) {
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jQuery.extend( newItem, options, { nodes: [], parent: parentItem });
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}
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if ( fn ) {
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// Build the hierarchical content to be used during insertion into DOM
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newItem.tmpl = fn;
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newItem._ctnt = newItem._ctnt || newItem.tmpl( jQuery, newItem );
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newItem.key = ++itemKey;
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// Keep track of new template item, until it is stored as jQuery Data on DOM element
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(stack.length ? wrappedItems : newTmplItems)[itemKey] = newItem;
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}
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return newItem;
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}
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// Override appendTo etc., in order to provide support for targeting multiple elements. (This code would disappear if integrated in jquery core).
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jQuery.each({
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appendTo: "append",
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prependTo: "prepend",
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insertBefore: "before",
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insertAfter: "after",
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replaceAll: "replaceWith"
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}, function( name, original ) {
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jQuery.fn[ name ] = function( selector ) {
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var ret = [], insert = jQuery( selector ), elems, i, l, tmplItems,
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parent = this.length === 1 && this[0].parentNode;
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appendToTmplItems = newTmplItems || {};
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if ( parent && parent.nodeType === 11 && parent.childNodes.length === 1 && insert.length === 1 ) {
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insert[ original ]( this[0] );
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ret = this;
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} else {
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for ( i = 0, l = insert.length; i < l; i++ ) {
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cloneIndex = i;
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elems = (i > 0 ? this.clone(true) : this).get();
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jQuery( insert[i] )[ original ]( elems );
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ret = ret.concat( elems );
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}
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cloneIndex = 0;
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ret = this.pushStack( ret, name, insert.selector );
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}
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tmplItems = appendToTmplItems;
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appendToTmplItems = null;
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jQuery.tmpl.complete( tmplItems );
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return ret;
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};
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});
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jQuery.fn.extend({
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// Use first wrapped element as template markup.
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// Return wrapped set of template items, obtained by rendering template against data.
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tmpl: function( data, options, parentItem ) {
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return jQuery.tmpl( this[0], data, options, parentItem );
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},
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// Find which rendered template item the first wrapped DOM element belongs to
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tmplItem: function() {
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return jQuery.tmplItem( this[0] );
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},
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// Consider the first wrapped element as a template declaration, and get the compiled template or store it as a named template.
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template: function( name ) {
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return jQuery.template( name, this[0] );
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},
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domManip: function( args, table, callback, options ) {
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if ( args[0] && jQuery.isArray( args[0] )) {
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var dmArgs = jQuery.makeArray( arguments ), elems = args[0], elemsLength = elems.length, i = 0, tmplItem;
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while ( i < elemsLength && !(tmplItem = jQuery.data( elems[i++], "tmplItem" ))) {}
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if ( tmplItem && cloneIndex ) {
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dmArgs[2] = function( fragClone ) {
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// Handler called by oldManip when rendered template has been inserted into DOM.
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jQuery.tmpl.afterManip( this, fragClone, callback );
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};
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}
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oldManip.apply( this, dmArgs );
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} else {
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oldManip.apply( this, arguments );
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}
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cloneIndex = 0;
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if ( !appendToTmplItems ) {
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jQuery.tmpl.complete( newTmplItems );
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}
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return this;
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}
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});
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jQuery.extend({
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// Return wrapped set of template items, obtained by rendering template against data.
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tmpl: function( tmpl, data, options, parentItem ) {
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var ret, topLevel = !parentItem;
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if ( topLevel ) {
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// This is a top-level tmpl call (not from a nested template using {{tmpl}})
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parentItem = topTmplItem;
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tmpl = jQuery.template[tmpl] || jQuery.template( null, tmpl );
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wrappedItems = {}; // Any wrapped items will be rebuilt, since this is top level
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} else if ( !tmpl ) {
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// The template item is already associated with DOM - this is a refresh.
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// Re-evaluate rendered template for the parentItem
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tmpl = parentItem.tmpl;
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newTmplItems[parentItem.key] = parentItem;
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parentItem.nodes = [];
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if ( parentItem.wrapped ) {
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updateWrapped( parentItem, parentItem.wrapped );
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}
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// Rebuild, without creating a new template item
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return jQuery( build( parentItem, null, parentItem.tmpl( jQuery, parentItem ) ));
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}
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if ( !tmpl ) {
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return []; // Could throw...
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}
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if ( typeof data === "function" ) {
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data = data.call( parentItem || {} );
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}
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if ( options && options.wrapped ) {
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updateWrapped( options, options.wrapped );
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}
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ret = jQuery.isArray( data ) ?
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jQuery.map( data, function( dataItem ) {
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return dataItem ? newTmplItem( options, parentItem, tmpl, dataItem ) : null;
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}) :
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[ newTmplItem( options, parentItem, tmpl, data ) ];
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return topLevel ? jQuery( build( parentItem, null, ret ) ) : ret;
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},
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// Return rendered template item for an element.
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tmplItem: function( elem ) {
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var tmplItem;
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if ( elem instanceof jQuery ) {
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elem = elem[0];
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}
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while ( elem && elem.nodeType === 1 && !(tmplItem = jQuery.data( elem, "tmplItem" )) && (elem = elem.parentNode) ) {}
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return tmplItem || topTmplItem;
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},
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// Set:
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// Use $.template( name, tmpl ) to cache a named template,
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// where tmpl is a template string, a script element or a jQuery instance wrapping a script element, etc.
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// Use $( "selector" ).template( name ) to provide access by name to a script block template declaration.
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// Get:
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// Use $.template( name ) to access a cached template.
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// Also $( selectorToScriptBlock ).template(), or $.template( null, templateString )
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// will return the compiled template, without adding a name reference.
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// If templateString includes at least one HTML tag, $.template( templateString ) is equivalent
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// to $.template( null, templateString )
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template: function( name, tmpl ) {
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if (tmpl) {
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// Compile template and associate with name
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if ( typeof tmpl === "string" ) {
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// This is an HTML string being passed directly in.
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tmpl = buildTmplFn( tmpl );
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} else if ( tmpl instanceof jQuery ) {
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tmpl = tmpl[0] || {};
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}
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if ( tmpl.nodeType ) {
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// If this is a template block, use cached copy, or generate tmpl function and cache.
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tmpl = jQuery.data( tmpl, "tmpl" ) || jQuery.data( tmpl, "tmpl", buildTmplFn( tmpl.innerHTML ));
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// Issue: In IE, if the container element is not a script block, the innerHTML will remove quotes from attribute values whenever the value does not include white space.
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// This means that foo="${x}" will not work if the value of x includes white space: foo="${x}" -> foo=value of x.
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// To correct this, include space in tag: foo="${ x }" -> foo="value of x"
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}
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return typeof name === "string" ? (jQuery.template[name] = tmpl) : tmpl;
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}
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// Return named compiled template
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return name ? (typeof name !== "string" ? jQuery.template( null, name ):
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(jQuery.template[name] ||
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// If not in map, and not containing at least on HTML tag, treat as a selector.
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// (If integrated with core, use quickExpr.exec)
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jQuery.template( null, htmlExpr.test( name ) ? name : jQuery( name )))) : null;
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},
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encode: function( text ) {
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// Do HTML encoding replacing < > & and ' and " by corresponding entities.
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return ("" + text).split("<").join("<").split(">").join(">").split('"').join(""").split("'").join("'");
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}
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});
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jQuery.extend( jQuery.tmpl, {
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tag: {
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"tmpl": {
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_default: { $2: "null" },
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open: "if($notnull_1){__=__.concat($item.nest($1,$2));}"
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// tmpl target parameter can be of type function, so use $1, not $1a (so not auto detection of functions)
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// This means that {{tmpl foo}} treats foo as a template (which IS a function).
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// Explicit parens can be used if foo is a function that returns a template: {{tmpl foo()}}.
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},
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"wrap": {
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_default: { $2: "null" },
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open: "$item.calls(__,$1,$2);__=[];",
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close: "call=$item.calls();__=call._.concat($item.wrap(call,__));"
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},
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"each": {
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_default: { $2: "$index, $value" },
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open: "if($notnull_1){$.each($1a,function($2){with(this){",
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close: "}});}"
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},
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"if": {
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open: "if(($notnull_1) && $1a){",
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close: "}"
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},
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"else": {
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_default: { $1: "true" },
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open: "}else if(($notnull_1) && $1a){"
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},
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"html": {
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// Unecoded expression evaluation.
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open: "if($notnull_1){__.push($1a);}"
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},
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"=": {
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// Encoded expression evaluation. Abbreviated form is ${}.
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_default: { $1: "$data" },
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open: "if($notnull_1){__.push($.encode($1a));}"
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},
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"!": {
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// Comment tag. Skipped by parser
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open: ""
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}
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},
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// This stub can be overridden, e.g. in jquery.tmplPlus for providing rendered events
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complete: function( items ) {
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newTmplItems = {};
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},
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// Call this from code which overrides domManip, or equivalent
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// Manage cloning/storing template items etc.
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afterManip: function afterManip( elem, fragClone, callback ) {
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// Provides cloned fragment ready for fixup prior to and after insertion into DOM
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var content = fragClone.nodeType === 11 ?
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jQuery.makeArray(fragClone.childNodes) :
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fragClone.nodeType === 1 ? [fragClone] : [];
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// Return fragment to original caller (e.g. append) for DOM insertion
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callback.call( elem, fragClone );
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// Fragment has been inserted:- Add inserted nodes to tmplItem data structure. Replace inserted element annotations by jQuery.data.
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storeTmplItems( content );
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cloneIndex++;
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}
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});
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//========================== Private helper functions, used by code above ==========================
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function build( tmplItem, nested, content ) {
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// Convert hierarchical content into flat string array
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// and finally return array of fragments ready for DOM insertion
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var frag, ret = content ? jQuery.map( content, function( item ) {
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return (typeof item === "string") ?
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// Insert template item annotations, to be converted to jQuery.data( "tmplItem" ) when elems are inserted into DOM.
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(tmplItem.key ? item.replace( /(<\w+)(?=[\s>])(?![^>]*_tmplitem)([^>]*)/g, "$1 " + tmplItmAtt + "=\"" + tmplItem.key + "\" $2" ) : item) :
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// This is a child template item. Build nested template.
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build( item, tmplItem, item._ctnt );
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}) :
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// If content is not defined, insert tmplItem directly. Not a template item. May be a string, or a string array, e.g. from {{html $item.html()}}.
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tmplItem;
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if ( nested ) {
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return ret;
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}
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// top-level template
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ret = ret.join("");
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// Support templates which have initial or final text nodes, or consist only of text
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// Also support HTML entities within the HTML markup.
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ret.replace( /^\s*([^<\s][^<]*)?(<[\w\W]+>)([^>]*[^>\s])?\s*$/, function( all, before, middle, after) {
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frag = jQuery( middle ).get();
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storeTmplItems( frag );
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if ( before ) {
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frag = unencode( before ).concat(frag);
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}
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if ( after ) {
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frag = frag.concat(unencode( after ));
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}
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});
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return frag ? frag : unencode( ret );
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}
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function unencode( text ) {
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// Use createElement, since createTextNode will not render HTML entities correctly
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var el = document.createElement( "div" );
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el.innerHTML = text;
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return jQuery.makeArray(el.childNodes);
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}
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// Generate a reusable function that will serve to render a template against data
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function buildTmplFn( markup ) {
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return new Function("jQuery","$item",
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// Use the variable __ to hold a string array while building the compiled template. (See https://github.com/jquery/jquery-tmpl/issues#issue/10).
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"var $=jQuery,call,__=[],$data=$item.data;" +
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// Introduce the data as local variables using with(){}
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"with($data){__.push('" +
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// Convert the template into pure JavaScript
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jQuery.trim(markup)
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.replace( /([\\'])/g, "\\$1" )
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.replace( /[\r\t\n]/g, " " )
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.replace( /\$\{([^\}]*)\}/g, "{{= $1}}" )
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.replace( /\{\{(\/?)(\w+|.)(?:\(((?:[^\}]|\}(?!\}))*?)?\))?(?:\s+(.*?)?)?(\(((?:[^\}]|\}(?!\}))*?)\))?\s*\}\}/g,
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function( all, slash, type, fnargs, target, parens, args ) {
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var tag = jQuery.tmpl.tag[ type ], def, expr, exprAutoFnDetect;
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if ( !tag ) {
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throw "Unknown template tag: " + type;
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}
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def = tag._default || [];
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if ( parens && !/\w$/.test(target)) {
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target += parens;
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parens = "";
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}
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if ( target ) {
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target = unescape( target );
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args = args ? ("," + unescape( args ) + ")") : (parens ? ")" : "");
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// Support for target being things like a.toLowerCase();
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// In that case don't call with template item as 'this' pointer. Just evaluate...
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expr = parens ? (target.indexOf(".") > -1 ? target + unescape( parens ) : ("(" + target + ").call($item" + args)) : target;
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exprAutoFnDetect = parens ? expr : "(typeof(" + target + ")==='function'?(" + target + ").call($item):(" + target + "))";
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} else {
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exprAutoFnDetect = expr = def.$1 || "null";
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}
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fnargs = unescape( fnargs );
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return "');" +
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tag[ slash ? "close" : "open" ]
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.split( "$notnull_1" ).join( target ? "typeof(" + target + ")!=='undefined' && (" + target + ")!=null" : "true" )
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.split( "$1a" ).join( exprAutoFnDetect )
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.split( "$1" ).join( expr )
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.split( "$2" ).join( fnargs || def.$2 || "" ) +
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"__.push('";
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}) +
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"');}return __;"
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);
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}
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function updateWrapped( options, wrapped ) {
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// Build the wrapped content.
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options._wrap = build( options, true,
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// Suport imperative scenario in which options.wrapped can be set to a selector or an HTML string.
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jQuery.isArray( wrapped ) ? wrapped : [htmlExpr.test( wrapped ) ? wrapped : jQuery( wrapped ).html()]
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).join("");
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}
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function unescape( args ) {
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return args ? args.replace( /\\'/g, "'").replace(/\\\\/g, "\\" ) : null;
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}
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function outerHtml( elem ) {
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var div = document.createElement("div");
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div.appendChild( elem.cloneNode(true) );
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return div.innerHTML;
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}
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// Store template items in jQuery.data(), ensuring a unique tmplItem data data structure for each rendered template instance.
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function storeTmplItems( content ) {
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var keySuffix = "_" + cloneIndex, elem, elems, newClonedItems = {}, i, l, m;
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for ( i = 0, l = content.length; i < l; i++ ) {
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if ( (elem = content[i]).nodeType !== 1 ) {
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continue;
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}
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elems = elem.getElementsByTagName("*");
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for ( m = elems.length - 1; m >= 0; m-- ) {
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processItemKey( elems[m] );
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}
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processItemKey( elem );
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}
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function processItemKey( el ) {
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var pntKey, pntNode = el, pntItem, tmplItem, key;
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// Ensure that each rendered template inserted into the DOM has its own template item,
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if ( (key = el.getAttribute( tmplItmAtt ))) {
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while ( pntNode.parentNode && (pntNode = pntNode.parentNode).nodeType === 1 && !(pntKey = pntNode.getAttribute( tmplItmAtt ))) { }
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if ( pntKey !== key ) {
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// The next ancestor with a _tmplitem expando is on a different key than this one.
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// So this is a top-level element within this template item
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// Set pntNode to the key of the parentNode, or to 0 if pntNode.parentNode is null, or pntNode is a fragment.
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pntNode = pntNode.parentNode ? (pntNode.nodeType === 11 ? 0 : (pntNode.getAttribute( tmplItmAtt ) || 0)) : 0;
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if ( !(tmplItem = newTmplItems[key]) ) {
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// The item is for wrapped content, and was copied from the temporary parent wrappedItem.
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tmplItem = wrappedItems[key];
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tmplItem = newTmplItem( tmplItem, newTmplItems[pntNode]||wrappedItems[pntNode] );
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tmplItem.key = ++itemKey;
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newTmplItems[itemKey] = tmplItem;
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}
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if ( cloneIndex ) {
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cloneTmplItem( key );
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}
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}
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el.removeAttribute( tmplItmAtt );
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} else if ( cloneIndex && (tmplItem = jQuery.data( el, "tmplItem" )) ) {
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// This was a rendered element, cloned during append or appendTo etc.
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// TmplItem stored in jQuery data has already been cloned in cloneCopyEvent. We must replace it with a fresh cloned tmplItem.
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cloneTmplItem( tmplItem.key );
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newTmplItems[tmplItem.key] = tmplItem;
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pntNode = jQuery.data( el.parentNode, "tmplItem" );
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pntNode = pntNode ? pntNode.key : 0;
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}
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if ( tmplItem ) {
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pntItem = tmplItem;
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// Find the template item of the parent element.
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// (Using !=, not !==, since pntItem.key is number, and pntNode may be a string)
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while ( pntItem && pntItem.key != pntNode ) {
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// Add this element as a top-level node for this rendered template item, as well as for any
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// 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();
|
|
}
|
|
}));
|
|
|