The DomHelper class provides a layer of abstraction from DOM and transparently supports creating
* elements via DOM or using HTML fragments. It also has the ability to create HTML fragment templates
@@ -135,15 +142,19 @@ Ext.DomHelper.useDom = true; // force it to use DOM; reduces performance
*/
Ext.DomHelper = function(){
var tempTableEl = null,
- emptyTags = /^(?:br|frame|hr|img|input|link|meta|range|spacer|wbr|area|param|col)$/i,
- tableRe = /^table|tbody|tr|td$/i,
- pub,
- // kill repeat to save bytes
- afterbegin = "afterbegin",
- afterend = "afterend",
- beforebegin = "beforebegin",
- beforeend = "beforeend",
- ts = '
',
tbs = ts+'',
tbe = ''+te,
@@ -158,46 +169,48 @@ Ext.DomHelper = function(){
// build as innerHTML where available
function createHtml(o){
- var b = "",
- attr,
- val,
- key,
- keyVal,
- cn;
+ var b = '',
+ attr,
+ val,
+ key,
+ cn;
- if(typeof o == 'string'){
+ if(typeof o == "string"){
b = o;
} else if (Ext.isArray(o)) {
- Ext.each(o, function(v) {
- b += createHtml(v);
- });
+ for (var i=0; i < o.length; i++) {
+ if(o[i]) {
+ b += createHtml(o[i]);
+ }
+ };
} else {
- b += "<" + (o.tag = o.tag || "div");
- Ext.iterate(o, function(attr, val){
- if(!/tag|children|cn|html$/i.test(attr)){
- if (Ext.isObject(val)) {
- b += " " + attr + "='";
- Ext.iterate(val, function(key, keyVal){
- b += key + ":" + keyVal + ";";
- });
- b += "'";
+ b += '<' + (o.tag = o.tag || 'div');
+ for (attr in o) {
+ val = o[attr];
+ if(!confRe.test(attr)){
+ if (typeof val == "object") {
+ b += ' ' + attr + '="';
+ for (key in val) {
+ b += key + ':' + val[key] + ';';
+ };
+ b += '"';
}else{
- b += " " + ({cls : "class", htmlFor : "for"}[attr] || attr) + "='" + val + "'";
+ b += ' ' + ({cls : 'class', htmlFor : 'for'}[attr] || attr) + '="' + val + '"';
}
}
- });
- // Now either just close the tag or try to add children and close the tag.
- if (emptyTags.test(o.tag)) {
- b += "/>";
- } else {
- b += ">";
- if ((cn = o.children || o.cn)) {
- b += createHtml(cn);
- } else if(o.html){
- b += o.html;
- }
- b += "";
- }
+ };
+ // Now either just close the tag or try to add children and close the tag.
+ if (emptyTags.test(o.tag)) {
+ b += '/>';
+ } else {
+ b += '>';
+ if ((cn = o.children || o.cn)) {
+ b += createHtml(cn);
+ } else if(o.html){
+ b += o.html;
+ }
+ b += '';
+ }
}
return b;
}
@@ -205,10 +218,21 @@ Ext.DomHelper = function(){
function ieTable(depth, s, h, e){
tempTableEl.innerHTML = [s, h, e].join('');
var i = -1,
- el = tempTableEl;
+ el = tempTableEl,
+ ns;
while(++i < depth){
el = el.firstChild;
}
+// If the result is multiple siblings, then encapsulate them into one fragment.
+ if(ns = el.nextSibling){
+ var df = document.createDocumentFragment();
+ while(el){
+ ns = el.nextSibling;
+ df.appendChild(el);
+ el = ns;
+ }
+ el = df;
+ }
return el;
}
@@ -217,30 +241,30 @@ Ext.DomHelper = function(){
* Nasty code for IE's broken table implementation
*/
function insertIntoTable(tag, where, el, html) {
- var node,
- before;
+ var node,
+ before;
tempTableEl = tempTableEl || document.createElement('div');
- if(tag == 'td' && (where == afterbegin || where == beforeend) ||
- !/td|tr|tbody/i.test(tag) && (where == beforebegin || where == afterend)) {
+ if(tag == 'td' && (where == afterbegin || where == beforeend) ||
+ !tableElRe.test(tag) && (where == beforebegin || where == afterend)) {
return;
}
before = where == beforebegin ? el :
- where == afterend ? el.nextSibling :
- where == afterbegin ? el.firstChild : null;
+ where == afterend ? el.nextSibling :
+ where == afterbegin ? el.firstChild : null;
if (where == beforebegin || where == afterend) {
- el = el.parentNode;
- }
+ el = el.parentNode;
+ }
- if (tag == 'td' || (tag == "tr" && (where == beforeend || where == afterbegin))) {
- node = ieTable(4, trs, html, tre);
- } else if ((tag == "tbody" && (where == beforeend || where == afterbegin)) ||
- (tag == "tr" && (where == beforebegin || where == afterend))) {
- node = ieTable(3, tbs, html, tbe);
+ if (tag == 'td' || (tag == 'tr' && (where == beforeend || where == afterbegin))) {
+ node = ieTable(4, trs, html, tre);
+ } else if ((tag == 'tbody' && (where == beforeend || where == afterbegin)) ||
+ (tag == 'tr' && (where == beforebegin || where == afterend))) {
+ node = ieTable(3, tbs, html, tbe);
} else {
- node = ieTable(2, ts, html, te);
+ node = ieTable(2, ts, html, te);
}
el.insertBefore(node, before);
return node;
@@ -248,134 +272,159 @@ Ext.DomHelper = function(){
pub = {
- /**
- * Returns the markup for the passed Element(s) config.
- * @param {Object} o The DOM object spec (and children)
- * @return {String}
- */
- markup : function(o){
- return createHtml(o);
- },
+ /**
+ * Returns the markup for the passed Element(s) config.
+ * @param {Object} o The DOM object spec (and children)
+ * @return {String}
+ */
+ markup : function(o){
+ return createHtml(o);
+ },
+
+ /**
+ * Applies a style specification to an element.
+ * @param {String/HTMLElement} el The element to apply styles to
+ * @param {String/Object/Function} styles A style specification string e.g. 'width:100px', or object in the form {width:'100px'}, or
+ * a function which returns such a specification.
+ */
+ applyStyles : function(el, styles){
+ if (styles) {
+ var matches;
+
+ el = Ext.fly(el);
+ if (typeof styles == "function") {
+ styles = styles.call();
+ }
+ if (typeof styles == "string") {
+ while ((matches = cssRe.exec(styles))) {
+ el.setStyle(matches[1], matches[2]);
+ }
+ } else if (typeof styles == "object") {
+ el.setStyle(styles);
+ }
+ }
+ },
- /**
- * Inserts an HTML fragment into the DOM.
- * @param {String} where Where to insert the html in relation to el - beforeBegin, afterBegin, beforeEnd, afterEnd.
- * @param {HTMLElement} el The context element
- * @param {String} html The HTML fragmenet
- * @return {HTMLElement} The new node
- */
- insertHtml : function(where, el, html){
- var hash = {},
- hashVal,
- setStart,
- range,
- frag,
- rangeEl,
- rs;
+ /**
+ * Inserts an HTML fragment into the DOM.
+ * @param {String} where Where to insert the html in relation to el - beforeBegin, afterBegin, beforeEnd, afterEnd.
+ * @param {HTMLElement} el The context element
+ * @param {String} html The HTML fragment
+ * @return {HTMLElement} The new node
+ */
+ insertHtml : function(where, el, html){
+ var hash = {},
+ hashVal,
+ setStart,
+ range,
+ frag,
+ rangeEl,
+ rs;
- where = where.toLowerCase();
- // add these here because they are used in both branches of the condition.
- hash[beforebegin] = ['BeforeBegin', 'previousSibling'];
- hash[afterend] = ['AfterEnd', 'nextSibling'];
+ where = where.toLowerCase();
+ // add these here because they are used in both branches of the condition.
+ hash[beforebegin] = ['BeforeBegin', 'previousSibling'];
+ hash[afterend] = ['AfterEnd', 'nextSibling'];
- if (el.insertAdjacentHTML) {
- if(tableRe.test(el.tagName) && (rs = insertIntoTable(el.tagName.toLowerCase(), where, el, html))){
- return rs;
- }
- // add these two to the hash.
- hash[afterbegin] = ['AfterBegin', 'firstChild'];
- hash[beforeend] = ['BeforeEnd', 'lastChild'];
- if ((hashVal = hash[where])) {
- el.insertAdjacentHTML(hashVal[0], html);
- return el[hashVal[1]];
- }
- } else {
- range = el.ownerDocument.createRange();
- setStart = "setStart" + (/end/i.test(where) ? "After" : "Before");
- if (hash[where]) {
- range[setStart](el);
- frag = range.createContextualFragment(html);
- el.parentNode.insertBefore(frag, where == beforebegin ? el : el.nextSibling);
- return el[(where == beforebegin ? "previous" : "next") + "Sibling"];
- } else {
- rangeEl = (where == afterbegin ? "first" : "last") + "Child";
- if (el.firstChild) {
- range[setStart](el[rangeEl]);
- frag = range.createContextualFragment(html);
+ if (el.insertAdjacentHTML) {
+ if(tableRe.test(el.tagName) && (rs = insertIntoTable(el.tagName.toLowerCase(), where, el, html))){
+ return rs;
+ }
+ // add these two to the hash.
+ hash[afterbegin] = ['AfterBegin', 'firstChild'];
+ hash[beforeend] = ['BeforeEnd', 'lastChild'];
+ if ((hashVal = hash[where])) {
+ el.insertAdjacentHTML(hashVal[0], html);
+ return el[hashVal[1]];
+ }
+ } else {
+ range = el.ownerDocument.createRange();
+ setStart = 'setStart' + (endRe.test(where) ? 'After' : 'Before');
+ if (hash[where]) {
+ range[setStart](el);
+ frag = range.createContextualFragment(html);
+ el.parentNode.insertBefore(frag, where == beforebegin ? el : el.nextSibling);
+ return el[(where == beforebegin ? 'previous' : 'next') + 'Sibling'];
+ } else {
+ rangeEl = (where == afterbegin ? 'first' : 'last') + 'Child';
+ if (el.firstChild) {
+ range[setStart](el[rangeEl]);
+ frag = range.createContextualFragment(html);
if(where == afterbegin){
el.insertBefore(frag, el.firstChild);
}else{
el.appendChild(frag);
}
- } else {
- el.innerHTML = html;
- }
- return el[rangeEl];
- }
- }
- throw 'Illegal insertion point -> "' + where + '"';
- },
+ } else {
+ el.innerHTML = html;
+ }
+ return el[rangeEl];
+ }
+ }
+ throw 'Illegal insertion point -> "' + where + '"';
+ },
- /**
- * Creates new DOM element(s) and inserts them before el.
- * @param {Mixed} el The context element
- * @param {Object/String} o The DOM object spec (and children) or raw HTML blob
- * @param {Boolean} returnElement (optional) true to return a Ext.Element
- * @return {HTMLElement/Ext.Element} The new node
- */
- insertBefore : function(el, o, returnElement){
- return doInsert(el, o, returnElement, beforebegin);
- },
+ /**
+ * Creates new DOM element(s) and inserts them before el.
+ * @param {Mixed} el The context element
+ * @param {Object/String} o The DOM object spec (and children) or raw HTML blob
+ * @param {Boolean} returnElement (optional) true to return a Ext.Element
+ * @return {HTMLElement/Ext.Element} The new node
+ */
+ insertBefore : function(el, o, returnElement){
+ return doInsert(el, o, returnElement, beforebegin);
+ },
- /**
- * Creates new DOM element(s) and inserts them after el.
- * @param {Mixed} el The context element
- * @param {Object} o The DOM object spec (and children)
- * @param {Boolean} returnElement (optional) true to return a Ext.Element
- * @return {HTMLElement/Ext.Element} The new node
- */
- insertAfter : function(el, o, returnElement){
- return doInsert(el, o, returnElement, afterend, "nextSibling");
- },
+ /**
+ * Creates new DOM element(s) and inserts them after el.
+ * @param {Mixed} el The context element
+ * @param {Object} o The DOM object spec (and children)
+ * @param {Boolean} returnElement (optional) true to return a Ext.Element
+ * @return {HTMLElement/Ext.Element} The new node
+ */
+ insertAfter : function(el, o, returnElement){
+ return doInsert(el, o, returnElement, afterend, 'nextSibling');
+ },
- /**
- * Creates new DOM element(s) and inserts them as the first child of el.
- * @param {Mixed} el The context element
- * @param {Object/String} o The DOM object spec (and children) or raw HTML blob
- * @param {Boolean} returnElement (optional) true to return a Ext.Element
- * @return {HTMLElement/Ext.Element} The new node
- */
- insertFirst : function(el, o, returnElement){
- return doInsert(el, o, returnElement, afterbegin, "firstChild");
- },
+ /**
+ * Creates new DOM element(s) and inserts them as the first child of el.
+ * @param {Mixed} el The context element
+ * @param {Object/String} o The DOM object spec (and children) or raw HTML blob
+ * @param {Boolean} returnElement (optional) true to return a Ext.Element
+ * @return {HTMLElement/Ext.Element} The new node
+ */
+ insertFirst : function(el, o, returnElement){
+ return doInsert(el, o, returnElement, afterbegin, 'firstChild');
+ },
- /**
- * Creates new DOM element(s) and appends them to el.
- * @param {Mixed} el The context element
- * @param {Object/String} o The DOM object spec (and children) or raw HTML blob
- * @param {Boolean} returnElement (optional) true to return a Ext.Element
- * @return {HTMLElement/Ext.Element} The new node
- */
- append : function(el, o, returnElement){
- return doInsert(el, o, returnElement, beforeend, "", true);
- },
+ /**
+ * Creates new DOM element(s) and appends them to el.
+ * @param {Mixed} el The context element
+ * @param {Object/String} o The DOM object spec (and children) or raw HTML blob
+ * @param {Boolean} returnElement (optional) true to return a Ext.Element
+ * @return {HTMLElement/Ext.Element} The new node
+ */
+ append : function(el, o, returnElement){
+ return doInsert(el, o, returnElement, beforeend, '', true);
+ },
- /**
- * Creates new DOM element(s) and overwrites the contents of el with them.
- * @param {Mixed} el The context element
- * @param {Object/String} o The DOM object spec (and children) or raw HTML blob
- * @param {Boolean} returnElement (optional) true to return a Ext.Element
- * @return {HTMLElement/Ext.Element} The new node
- */
- overwrite : function(el, o, returnElement){
- el = Ext.getDom(el);
- el.innerHTML = createHtml(o);
- return returnElement ? Ext.get(el.firstChild) : el.firstChild;
- },
+ /**
+ * Creates new DOM element(s) and overwrites the contents of el with them.
+ * @param {Mixed} el The context element
+ * @param {Object/String} o The DOM object spec (and children) or raw HTML blob
+ * @param {Boolean} returnElement (optional) true to return a Ext.Element
+ * @return {HTMLElement/Ext.Element} The new node
+ */
+ overwrite : function(el, o, returnElement){
+ el = Ext.getDom(el);
+ el.innerHTML = createHtml(o);
+ return returnElement ? Ext.get(el.firstChild) : el.firstChild;
+ },
- createHtml : createHtml
+ createHtml : createHtml
};
return pub;
-}();
-
+}();
+
+
\ No newline at end of file