el.insertBefore(node, before);
return node;
};
+
+ // this is a bit like the react update code...
+ //
+
+ var updateNode = function(from, to)
+ {
+ // should we handle non-standard elements?
+ Roo.log(["UpdateNode" , from, to]);
+ if (from.nodeType != to.nodeType) {
+ Roo.log(["ReplaceChild - mismatch notType" , to, from ]);
+ from.parentNode.replaceChild(to, from);
+ }
+
+ if (from.nodeType == 3) {
+ // assume it's text?!
+ if (from.data == to.data) {
+ return;
+ }
+ from.data = to.data;
+ return;
+ }
+ if (!from.parentNode) {
+ // not sure why this is happening?
+ return;
+ }
+ // assume 'to' doesnt have '1/3 nodetypes!
+ // not sure why, by from, parent node might not exist?
+ if (from.nodeType !=1 || from.tagName != to.tagName) {
+ Roo.log(["ReplaceChild" , from, to ]);
+
+ from.parentNode.replaceChild(to, from);
+ return;
+ }
+ // compare attributes
+ var ar = Array.from(from.attributes);
+ for(var i = 0; i< ar.length;i++) {
+ if (to.hasAttribute(ar[i].name)) {
+ continue;
+ }
+ if (ar[i].name == 'id') { // always keep ids?
+ continue;
+ }
+ //if (ar[i].name == 'style') {
+ // throw "style removed?";
+ //}
+ Roo.log("removeAttribute" + ar[i].name);
+ from.removeAttribute(ar[i].name);
+ }
+ ar = to.attributes;
+ for(var i = 0; i< ar.length;i++) {
+ if (from.getAttribute(ar[i].name) == to.getAttribute(ar[i].name)) {
+ Roo.log("skipAttribute " + ar[i].name + '=' + to.getAttribute(ar[i].name));
+ continue;
+ }
+ Roo.log("updateAttribute " + ar[i].name + '=>' + to.getAttribute(ar[i].name));
+ from.setAttribute(ar[i].name, to.getAttribute(ar[i].name));
+ }
+ // children
+ var far = Array.from(from.childNodes);
+ var tar = Array.from(to.childNodes);
+ // if the lengths are different.. then it's probably a editable content change, rather than
+ // a change of the block definition..
+
+ // this did notwork , as our rebuilt nodes did not include ID's so did not match at all.
+ /*if (from.innerHTML == to.innerHTML) {
+ return;
+ }
+ if (far.length != tar.length) {
+ from.innerHTML = to.innerHTML;
+ return;
+ }
+ */
+
+ for(var i = 0; i < Math.max(tar.length, far.length); i++) {
+ if (i >= far.length) {
+ from.appendChild(tar[i]);
+ Roo.log(["add", tar[i]]);
+
+ } else if ( i >= tar.length) {
+ from.removeChild(far[i]);
+ Roo.log(["remove", far[i]]);
+ } else {
+
+ updateNode(far[i], tar[i]);
+ }
+ }
+
+
+
+
+ };
+
+
return {
- /** True to force the use of DOM instead of html fragments @type Boolean */
- useDom : false,
-
- /**
- * 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 eg "width:100px", or object in the form {width:"100px"}, or
- * a function which returns such a specification.
- */
- applyStyles : function(el, styles){
- if(styles){
- el = Roo.fly(el);
- if(typeof styles == "string"){
- var re = /\s?([a-z\-]*)\:\s?([^;]*);?/gi;
- var matches;
- while ((matches = re.exec(styles)) != null){
- el.setStyle(matches[1], matches[2]);
- }
- }else if (typeof styles == "object"){
- for (var style in styles){
- el.setStyle(style, styles[style]);
+ /** True to force the use of DOM instead of html fragments @type Boolean */
+ useDom : false,
+
+ /**
+ * 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 eg "width:100px", or object in the form {width:"100px"}, or
+ * a function which returns such a specification.
+ */
+ applyStyles : function(el, styles){
+ if(styles){
+ el = Roo.fly(el);
+ if(typeof styles == "string"){
+ var re = /\s?([a-z\-]*)\:\s?([^;]*);?/gi;
+ var matches;
+ while ((matches = re.exec(styles)) != null){
+ el.setStyle(matches[1], matches[2]);
+ }
+ }else if (typeof styles == "object"){
+ for (var style in styles){
+ el.setStyle(style, styles[style]);
+ }
+ }else if (typeof styles == "function"){
+ Roo.DomHelper.applyStyles(el, styles.call());
}
- }else if (typeof styles == "function"){
- Roo.DomHelper.applyStyles(el, styles.call());
- }
- }
- },
-
- /**
- * 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){
- where = where.toLowerCase();
- if(el.insertAdjacentHTML){
- if(tableRe.test(el.tagName)){
- var rs;
- if(rs = insertIntoTable(el.tagName.toLowerCase(), where, el, html)){
- return 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 fragmenet
+ * @return {HTMLElement} The new node
+ */
+ insertHtml : function(where, el, html){
+ where = where.toLowerCase();
+ if(el.insertAdjacentHTML){
+ if(tableRe.test(el.tagName)){
+ var rs;
+ if(rs = insertIntoTable(el.tagName.toLowerCase(), where, el, html)){
+ return rs;
+ }
+ }
+ switch(where){
+ case "beforebegin":
+ el.insertAdjacentHTML('BeforeBegin', html);
+ return el.previousSibling;
+ case "afterbegin":
+ el.insertAdjacentHTML('AfterBegin', html);
+ return el.firstChild;
+ case "beforeend":
+ el.insertAdjacentHTML('BeforeEnd', html);
+ return el.lastChild;
+ case "afterend":
+ el.insertAdjacentHTML('AfterEnd', html);
+ return el.nextSibling;
}
+ throw 'Illegal insertion point -> "' + where + '"';
}
+ var range = el.ownerDocument.createRange();
+ var frag;
switch(where){
- case "beforebegin":
- el.insertAdjacentHTML('BeforeBegin', html);
+ case "beforebegin":
+ range.setStartBefore(el);
+ frag = range.createContextualFragment(html);
+ el.parentNode.insertBefore(frag, el);
return el.previousSibling;
- case "afterbegin":
- el.insertAdjacentHTML('AfterBegin', html);
- return el.firstChild;
+ case "afterbegin":
+ if(el.firstChild){
+ range.setStartBefore(el.firstChild);
+ frag = range.createContextualFragment(html);
+ el.insertBefore(frag, el.firstChild);
+ return el.firstChild;
+ }else{
+ el.innerHTML = html;
+ return el.firstChild;
+ }
case "beforeend":
- el.insertAdjacentHTML('BeforeEnd', html);
- return el.lastChild;
+ if(el.lastChild){
+ range.setStartAfter(el.lastChild);
+ frag = range.createContextualFragment(html);
+ el.appendChild(frag);
+ return el.lastChild;
+ }else{
+ el.innerHTML = html;
+ return el.lastChild;
+ }
case "afterend":
- el.insertAdjacentHTML('AfterEnd', html);
- return el.nextSibling;
- }
- throw 'Illegal insertion point -> "' + where + '"';
- }
- var range = el.ownerDocument.createRange();
- var frag;
- switch(where){
- case "beforebegin":
- range.setStartBefore(el);
- frag = range.createContextualFragment(html);
- el.parentNode.insertBefore(frag, el);
- return el.previousSibling;
- case "afterbegin":
- if(el.firstChild){
- range.setStartBefore(el.firstChild);
+ range.setStartAfter(el);
frag = range.createContextualFragment(html);
- el.insertBefore(frag, el.firstChild);
- return el.firstChild;
- }else{
- el.innerHTML = html;
- return el.firstChild;
+ el.parentNode.insertBefore(frag, el.nextSibling);
+ return el.nextSibling;
}
- case "beforeend":
- if(el.lastChild){
- range.setStartAfter(el.lastChild);
- frag = range.createContextualFragment(html);
- el.appendChild(frag);
- return el.lastChild;
- }else{
- el.innerHTML = html;
- return el.lastChild;
+ throw 'Illegal insertion point -> "' + where + '"';
+ },
+
+ /**
+ * Creates new Dom element(s) and inserts them before el
+ * @param {String/HTMLElement/Element} 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 Roo.Element
+ * @return {HTMLElement/Roo.Element} The new node
+ */
+ insertBefore : function(el, o, returnElement){
+ return this.doInsert(el, o, returnElement, "beforeBegin");
+ },
+
+ /**
+ * Creates new Dom element(s) and inserts them after el
+ * @param {String/HTMLElement/Element} el The context element
+ * @param {Object} o The Dom object spec (and children)
+ * @param {Boolean} returnElement (optional) true to return a Roo.Element
+ * @return {HTMLElement/Roo.Element} The new node
+ */
+ insertAfter : function(el, o, returnElement){
+ return this.doInsert(el, o, returnElement, "afterEnd", "nextSibling");
+ },
+
+ /**
+ * Creates new Dom element(s) and inserts them as the first child of el
+ * @param {String/HTMLElement/Element} 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 Roo.Element
+ * @return {HTMLElement/Roo.Element} The new node
+ */
+ insertFirst : function(el, o, returnElement){
+ return this.doInsert(el, o, returnElement, "afterBegin");
+ },
+
+ // private
+ doInsert : function(el, o, returnElement, pos, sibling){
+ el = Roo.getDom(el);
+ var newNode;
+ if(this.useDom || o.ns){
+ newNode = createDom(o, null);
+ el.parentNode.insertBefore(newNode, sibling ? el[sibling] : el);
+ }else{
+ var html = createHtml(o);
+ newNode = this.insertHtml(pos, el, html);
+ }
+ return returnElement ? Roo.get(newNode, true) : newNode;
+ },
+
+ /**
+ * Creates new Dom element(s) and appends them to el
+ * @param {String/HTMLElement/Element} 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 Roo.Element
+ * @return {HTMLElement/Roo.Element} The new node
+ */
+ append : function(el, o, returnElement){
+ el = Roo.getDom(el);
+ var newNode;
+ if(this.useDom || o.ns){
+ newNode = createDom(o, null);
+ el.appendChild(newNode);
+ }else{
+ var html = createHtml(o);
+ newNode = this.insertHtml("beforeEnd", el, html);
+ }
+ return returnElement ? Roo.get(newNode, true) : newNode;
+ },
+
+ /**
+ * Creates new Dom element(s) and overwrites the contents of el with them
+ * @param {String/HTMLElement/Element} 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 Roo.Element
+ * @return {HTMLElement/Roo.Element} The new node
+ */
+ overwrite : function(el, o, returnElement)
+ {
+ el = Roo.getDom(el);
+ if (o.ns) {
+
+ while (el.childNodes.length) {
+ el.removeChild(el.firstChild);
}
- case "afterend":
- range.setStartAfter(el);
- frag = range.createContextualFragment(html);
- el.parentNode.insertBefore(frag, el.nextSibling);
- return el.nextSibling;
+ createDom(o, el);
+ } else {
+ el.innerHTML = createHtml(o);
}
- throw 'Illegal insertion point -> "' + where + '"';
- },
-
- /**
- * Creates new Dom element(s) and inserts them before el
- * @param {String/HTMLElement/Element} 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 Roo.Element
- * @return {HTMLElement/Roo.Element} The new node
- */
- insertBefore : function(el, o, returnElement){
- return this.doInsert(el, o, returnElement, "beforeBegin");
- },
-
- /**
- * Creates new Dom element(s) and inserts them after el
- * @param {String/HTMLElement/Element} el The context element
- * @param {Object} o The Dom object spec (and children)
- * @param {Boolean} returnElement (optional) true to return a Roo.Element
- * @return {HTMLElement/Roo.Element} The new node
- */
- insertAfter : function(el, o, returnElement){
- return this.doInsert(el, o, returnElement, "afterEnd", "nextSibling");
- },
-
- /**
- * Creates new Dom element(s) and inserts them as the first child of el
- * @param {String/HTMLElement/Element} 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 Roo.Element
- * @return {HTMLElement/Roo.Element} The new node
- */
- insertFirst : function(el, o, returnElement){
- return this.doInsert(el, o, returnElement, "afterBegin");
- },
-
- // private
- doInsert : function(el, o, returnElement, pos, sibling){
- el = Roo.getDom(el);
- var newNode;
- if(this.useDom || o.ns){
- newNode = createDom(o, null);
- el.parentNode.insertBefore(newNode, sibling ? el[sibling] : el);
- }else{
- var html = createHtml(o);
- newNode = this.insertHtml(pos, el, html);
- }
- return returnElement ? Roo.get(newNode, true) : newNode;
- },
-
- /**
- * Creates new Dom element(s) and appends them to el
- * @param {String/HTMLElement/Element} 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 Roo.Element
- * @return {HTMLElement/Roo.Element} The new node
- */
- append : function(el, o, returnElement){
- el = Roo.getDom(el);
- var newNode;
- if(this.useDom || o.ns){
- newNode = createDom(o, null);
- el.appendChild(newNode);
- }else{
+
+ return returnElement ? Roo.get(el.firstChild, true) : el.firstChild;
+ },
+
+ /**
+ * Creates a new Roo.DomHelper.Template from the Dom object spec
+ * @param {Object} o The Dom object spec (and children)
+ * @return {Roo.DomHelper.Template} The new template
+ */
+ createTemplate : function(o){
var html = createHtml(o);
- newNode = this.insertHtml("beforeEnd", el, html);
- }
- return returnElement ? Roo.get(newNode, true) : newNode;
- },
-
- /**
- * Creates new Dom element(s) and overwrites the contents of el with them
- * @param {String/HTMLElement/Element} 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 Roo.Element
- * @return {HTMLElement/Roo.Element} The new node
- */
- overwrite : function(el, o, returnElement){
- el = Roo.getDom(el);
- if (o.ns) {
-
- while (el.childNodes.length) {
- el.removeChild(el.firstChild);
- }
- createDom(o, el);
- } else {
- el.innerHTML = createHtml(o);
+ return new Roo.Template(html);
+ },
+ /**
+ * Updates the first element with the spec from the o (replacing if necessary)
+ * This iterates through the children, and updates attributes / children etc..
+ * @param {String/HTMLElement/Element} el The context element
+ * @param {Object/String} o The Dom object spec (and children) or raw HTML blob
+ */
+
+ update : function(el, o)
+ {
+ updateNode(Roo.getDom(el), createDom(o));
+
}
- return returnElement ? Roo.get(el.firstChild, true) : el.firstChild;
- },
-
- /**
- * Creates a new Roo.DomHelper.Template from the Dom object spec
- * @param {Object} o The Dom object spec (and children)
- * @return {Roo.DomHelper.Template} The new template
- */
- createTemplate : function(o){
- var html = createHtml(o);
- return new Roo.Template(html);
- }
+
};
}();
projects / roojs1 / blobdiff