mirror of
https://github.com/friendica/friendica
synced 2024-11-16 10:53:55 +00:00
487 lines
18 KiB
JavaScript
487 lines
18 KiB
JavaScript
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/*
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* jQuery Templating Plugin
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* Copyright 2010, John Resig
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* Dual licensed under the MIT or GPL Version 2 licenses.
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*/
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(function( jQuery, undefined ){
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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 || (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.fn[ original ].apply( jQuery(insert[i]), 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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// This appears to be a bug in the appendTo, etc. implementation
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// it should be doing .call() instead of .apply(). See #6227
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if ( args[0] && args[0].nodeType ) {
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var dmArgs = jQuery.makeArray( arguments ), argsLength = args.length, i = 0, tmplItem;
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while ( i < argsLength && !(tmplItem = jQuery.data( args[i++], "tmplItem" ))) {}
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if ( argsLength > 1 ) {
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dmArgs[0] = [jQuery.makeArray( args )];
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}
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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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}
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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, treat as a selector. (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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"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 "Template command not found: " + type;
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}
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def = tag._default || [];
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if ( parens && !/\w$/.test(target)) {
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target += parens;
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parens = "";
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}
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if ( target ) {
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target = unescape( target );
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args = args ? ("," + unescape( args ) + ")") : (parens ? ")" : "");
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// Support for target being things like a.toLowerCase();
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// In that case don't call with template item as 'this' pointer. Just evaluate...
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expr = parens ? (target.indexOf(".") > -1 ? target + parens : ("(" + target + ").call($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 ?
|
||
|
|
fnargs.replace( /\s*([^\(]+)\s*(\((.*?)\))?/g, function( all, name, parens, params ) {
|
||
|
|
params = params ? ("," + params + ")") : (parens ? ")" : "");
|
||
|
|
return params ? ("(" + name + ").call($item" + params) : all;
|
||
|
|
})
|
||
|
|
: (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], null, true );
|
||
|
|
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, null, true ));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//---- 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 );
|