wxxsd/UEditor/_src/plugins/justify.js
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///import core
///commands 段落格式,居左,居右,居中,两端对齐
///commandsName JustifyLeft,JustifyCenter,JustifyRight,JustifyJustify
///commandsTitle 居左对齐,居中对齐,居右对齐,两端对齐
/**
* @description 居左右中
* @name baidu.editor.execCommand
* @param {String} cmdName justify执行对齐方式的命令
* @param {String} align 对齐方式:left居左,right居右,center居中,justify两端对齐
* @author zhanyi
*/
(function(){
var block = domUtils.isBlockElm,
defaultValue = {
left : 1,
right : 1,
center : 1,
justify : 1
},
doJustify = function(range,style){
var bookmark = range.createBookmark(),
filterFn = function( node ) {
return node.nodeType == 1 ? node.tagName.toLowerCase() != 'br' && !domUtils.isBookmarkNode(node) : !domUtils.isWhitespace( node )
};
range.enlarge(true);
var bookmark2 = range.createBookmark(),
current = domUtils.getNextDomNode(bookmark2.start,false,filterFn),
tmpRange = range.cloneRange(),
tmpNode;
while(current && !(domUtils.getPosition(current,bookmark2.end)&domUtils.POSITION_FOLLOWING)){
if(current.nodeType == 3 || !block(current)){
tmpRange.setStartBefore(current);
while(current && current!==bookmark2.end && !block(current)){
tmpNode = current;
current = domUtils.getNextDomNode(current,false,null,function(node){
return !block(node)
});
}
tmpRange.setEndAfter(tmpNode);
var common = tmpRange.getCommonAncestor();
if( !domUtils.isBody(common) && block(common)){
domUtils.setStyles(common,utils.isString(style) ? {'text-align':style} : style);
current = common;
}else{
var p = range.document.createElement('p');
domUtils.setStyles(p,utils.isString(style) ? {'text-align':style} : style);
var frag = tmpRange.extractContents();
p.appendChild(frag);
tmpRange.insertNode(p);
current = p;
}
current = domUtils.getNextDomNode(current,false,filterFn);
}else{
current = domUtils.getNextDomNode(current,true,filterFn);
}
}
return range.moveToBookmark(bookmark2).moveToBookmark(bookmark)
};
UE.commands['justify'] = {
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