/*——聊天编辑器区域*/
var $editor = $(".J__editorText"), editor = $editor[0];var $face = $(".emotion-area dd img");
$face.on("click", function(e){if($(this).hasClass("face")){ //图像
var img = $(this)[0].cloneNode(true);
editor.focus();
setTimeout(function(){varrange, node;if(document.selection &&document.selection.createRange){
document.selection.createRange().pasteHTML(img);
}else if(window.getSelection &&window.getSelection().getRangeAt){
range= window.getSelection().getRangeAt(0);
range.insertNode(img);
range.collapse(false);var sel =window.getSelection();
sel.removeAllRanges();
sel.addRange(range);
}
},16);
}else if($(this).hasClass("del")){ //删除
editor.focus();
range= window.getSelection().getRangeAt(0);
range.collapse(false);var sel =window.getSelection();
sel.removeAllRanges();
sel.addRange(range);
document.execCommand("delete");
}
});//...格式化编辑器包含标签
editor.addEventListener("focus", function(evt) {
surrounds()
},true);
editor.addEventListener("input", function(evt) {
surrounds();
},false);functionsurrounds() {
setTimeout(function () { //chrome
var sel =window.getSelection();var anchorNode =sel.anchorNode;if (!anchorNode) return;if (sel.anchorNode === editor ||(sel.anchorNode.nodeType=== 3 && sel.anchorNode.parentNode ===editor)) {var range = sel.getRangeAt(0);var p = document.createElement("p");
range.surroundContents(p);
range.selectNodeContents(p);
range.insertNode(document.createElement("br")); //chrome
sel.collapse(p, 0);
(functionclearBr() {var elems =[].slice.call(editor.children);for (var i = 0, len = elems.length; i < len; i++) {var el =elems[i];if (el.tagName.toLowerCase() == "br") {
editor.removeChild(el);
}
}
elems.length= 0;
})();
}
},0);
}//...滚动到聊天内容底部
functionscrollToBottom(){
$('.ws__chatMsg-panel').animate({scrollTop: $("#J__chatMsgList").height()}, 300);
}
