Revert "无JIRA任务 label提供多行文本溢出显示...（仅webkit）"

This reverts commit d1a3b2418e.

changelog.md

@@ -1,7 +1,4 @@
 # 更新日志
-2.0(2020-09)
-- bi.label支持多行文本溢出显示...(仅支持webkit内核)
-
 2.0(2020-08)
 - bi.sign_editor支持显示值居左/居中/居右显示
 - bi.iframe新增EVENT_LOADED事件

demo/js/base/demo.label.js

@@ -104,14 +104,6 @@ Demo.Label = BI.inherit(BI.Widget, {
                 textWidth: 200,
                 textHeight: 30,
                 height: 60
-            }, {
-                type: "bi.label",
-                cls: "layout-bg1",
-                text: "label设置了宽度, 并且设置了显示行数是2行, 无论输入多少文本，在允许换行的情况下只会显示2行，并在第二行结尾出现...",
-                textAlign: "left",
-                width: 300,
-                lineNumber: 2,
-                whiteSpace: "normal"
             }, {
                 type: "bi.left",
                 items: [{

src/base/single/label/label.js

@@ -17,7 +17,6 @@ BI.Label = BI.inherit(BI.AbstractLabel, {
             textAlign: o.textAlign,
             whiteSpace: o.whiteSpace,
             lineHeight: o.textHeight,
-            lineNumber: o.lineNumber,
             text: o.text,
             value: o.value,
             py: o.py,

src/base/single/text.js

@@ -20,8 +20,7 @@
             bgap: 0,
             text: "",
             py: "",
-            highLight: false,
-            lineNumber: null,
+            highLight: false
         },
 
         render: function () {
@@ -55,20 +54,12 @@
             if (BI.isWidthOrHeight(o.maxWidth)) {
                 this.element.css({maxWidth: o.maxWidth});
             }
-            var cssObj = {
+            this.element.css({
                 textAlign: o.textAlign,
                 whiteSpace: this._getTextWrap(),
                 textOverflow: o.whiteSpace === "nowrap" ? "ellipsis" : "",
-                overflow: o.whiteSpace === "nowrap" ? "" : (BI.isWidthOrHeight(o.height) ? "auto" : ""),
-            };
-            if (BI.isNumber(o.lineNumber)) {
-                BI.extend(cssObj, {
-                    display: "-webkit-box",
-                    "-webkit-line-clamp": o.lineNumber + "",
-                    "-webkit-box-orient": "vertical",
+                overflow: o.whiteSpace === "nowrap" ? "" : (BI.isWidthOrHeight(o.height) ? "auto" : "")
             });
-            }
-            this.element.css(cssObj);
             if (o.handler && o.handler !== BI.emptyFn) {
                 this.text = BI.createWidget({
                     type: "bi.layout",