From f342152fbec62e3e70a128d5a635516929b79601 Mon Sep 17 00:00:00 2001
From: huqi <hq_1980@hotmail.com>
Date: Tue, 14 Jul 2020 11:08:05 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8Ddialog=E4=BD=8D=E7=BD=AE?=
 =?UTF-8?q?=E5=9C=A8=E5=8F=AF=E8=A7=86=E5=8C=BA=E5=9F=9F=E5=86=85?=
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---
 o2web/source/o2_core/o2/widget/Dialog.js | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/o2web/source/o2_core/o2/widget/Dialog.js b/o2web/source/o2_core/o2/widget/Dialog.js
index 658ca58b23..e33421488b 100644
--- a/o2web/source/o2_core/o2/widget/Dialog.js
+++ b/o2web/source/o2_core/o2/widget/Dialog.js
@@ -453,6 +453,20 @@ o2.widget.Dialog = o2.DL = new Class({
             // //	this.content.setStyle("display", "block");
             // //this.fireEvent("postShow");
 
+			var pn = this.node.getOffsetParent();
+			var p = pn.getPosition();
+
+			var h = this.css.to.height.toInt();
+			var y = this.css.to.top.toInt();
+			y = y+p.y;
+
+			var ih = window.innerHeight.toInt();
+			if (h+y> ih){
+				y = ih-p.y-h-20;
+				if (y<0) y=0;
+				this.css.to.top = ""+y+"px";
+			}
+
 			this.morph.start(this.css.to).chain(function(){
 				if (this.titleText) this.getTitle();
 				if (this.button) this.getButton();
-- 
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