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///import core
/**
* @description 插入内容
* @name baidu.editor.execCommand
* @param {String} cmdName inserthtml插入内容的命令
* @param {String} html 要插入的内容
* @author zhanyi
*/
UM.commands['inserthtml'] = {
execCommand: function (command,html,notNeedFilter){
var me = this,
range,
div;
if(!html){
return;
}
if(me.fireEvent('beforeinserthtml',html) === true){
return;
}
range = me.selection.getRange();
div = range.document.createElement( 'div' );
div.style.display = 'inline';
if (!notNeedFilter) {
var root = UM.htmlparser(html);
//如果给了过滤规则就先进行过滤
if(me.options.filterRules){
UM.filterNode(root,me.options.filterRules);
}
//执行默认的处理
me.filterInputRule(root);
html = root.toHtml()
}
div.innerHTML = utils.trim( html );
if ( !range.collapsed ) {
var tmpNode = range.startContainer;
if(domUtils.isFillChar(tmpNode)){
range.setStartBefore(tmpNode)
}
tmpNode = range.endContainer;
if(domUtils.isFillChar(tmpNode)){
range.setEndAfter(tmpNode)
}
range.txtToElmBoundary();
//结束边界可能放到了br的前边，要把br包含进来
// x[xxx]<br/>
if(range.endContainer && range.endContainer.nodeType == 1){
tmpNode = range.endContainer.childNodes[range.endOffset];
if(tmpNode && domUtils.isBr(tmpNode)){
range.setEndAfter(tmpNode);
}
}
if(range.startOffset == 0){
tmpNode = range.startContainer;
if(domUtils.isBoundaryNode(tmpNode,'firstChild') ){
tmpNode = range.endContainer;
if(range.endOffset == (tmpNode.nodeType == 3 ? tmpNode.nodeValue.length : tmpNode.childNodes.length) && domUtils.isBoundaryNode(tmpNode,'lastChild')){
me.body.innerHTML = '<p>'+(browser.ie ? '' : '<br/>')+'</p>';
range.setStart(me.body.firstChild,0).collapse(true)
}
}
}
!range.collapsed && range.deleteContents();
if(range.startContainer.nodeType == 1){
var child = range.startContainer.childNodes[range.startOffset],pre;
if(child && domUtils.isBlockElm(child) && (pre = child.previousSibling) && domUtils.isBlockElm(pre)){
range.setEnd(pre,pre.childNodes.length).collapse();
while(child.firstChild){
pre.appendChild(child.firstChild);
}
domUtils.remove(child);
}
}
}
var child,parent,pre,tmp,hadBreak = 0, nextNode;
//如果当前位置选中了fillchar要干掉，要不会产生空行
if(range.inFillChar()){
child = range.startContainer;
if(domUtils.isFillChar(child)){
range.setStartBefore(child).collapse(true);
domUtils.remove(child);
}else if(domUtils.isFillChar(child,true)){
child.nodeValue = child.nodeValue.replace(fillCharReg,'');
range.startOffset--;
range.collapsed && range.collapse(true)
}
}
while ( child = div.firstChild ) {
if(hadBreak){
var p = me.document.createElement('p');
while(child && (child.nodeType == 3 || !dtd.$block[child.tagName])){
nextNode = child.nextSibling;
p.appendChild(child);
child = nextNode;
}
if(p.firstChild){
child = p
}
}
range.insertNode( child );
nextNode = child.nextSibling;
if ( !hadBreak && child.nodeType == domUtils.NODE_ELEMENT && domUtils.isBlockElm( child ) ){
parent = domUtils.findParent( child,function ( node ){ return domUtils.isBlockElm( node ); } );
if ( parent && parent.tagName.toLowerCase() != 'body' && !(dtd[parent.tagName][child.nodeName] && child.parentNode === parent)){
if(!dtd[parent.tagName][child.nodeName]){
pre = parent;
}else{
tmp = child.parentNode;
while (tmp !== parent){
pre = tmp;
tmp = tmp.parentNode;
}
}
domUtils.breakParent( child, pre || tmp );
//去掉break后前一个多余的节点 <p>|<[p> ==> <p></p><div></div><p>|</p>
var pre = child.previousSibling;
domUtils.trimWhiteTextNode(pre);
if(!pre.childNodes.length){
domUtils.remove(pre);
}
//trace:2012,在非ie的情况，切开后剩下的节点有可能不能点入光标添加br占位
if(!browser.ie &&
(next = child.nextSibling) &&
domUtils.isBlockElm(next) &&
next.lastChild &&
!domUtils.isBr(next.lastChild)){
next.appendChild(me.document.createElement('br'));
}
hadBreak = 1;
}
}
var next = child.nextSibling;
if(!div.firstChild && next && domUtils.isBlockElm(next)){
range.setStart(next,0).collapse(true);
break;
}
range.setEndAfter( child ).collapse();
}
child = range.startContainer;
if(nextNode && domUtils.isBr(nextNode)){
domUtils.remove(nextNode)
}
//用chrome可能有空白展位符
if(domUtils.isBlockElm(child) && domUtils.isEmptyNode(child)){
if(nextNode = child.nextSibling){
domUtils.remove(child);
if(nextNode.nodeType == 1 && dtd.$block[nextNode.tagName]){
range.setStart(nextNode,0).collapse(true).shrinkBoundary()
}
}else{
try{
child.innerHTML = browser.ie ? domUtils.fillChar : '<br/>';
}catch(e){
range.setStartBefore(child);
domUtils.remove(child)
}
}
}
//加上true因为在删除表情等时会删两次，第一次是删的fillData
try{
if(browser.ie9below && range.startContainer.nodeType == 1 && !range.startContainer.childNodes[range.startOffset]){
var start = range.startContainer,pre = start.childNodes[range.startOffset-1];
if(pre && pre.nodeType == 1 && dtd.$empty[pre.tagName]){
var txt = this.document.createTextNode(domUtils.fillChar);
range.insertNode(txt).setStart(txt,0).collapse(true);
}
}
setTimeout(function(){
range.select(true);
})
}catch(e){}
setTimeout(function(){
range = me.selection.getRange();
range.scrollIntoView();
me.fireEvent('afterinserthtml');
},200);
}
};