BI-119217 fix: 【6.0.6冒烟】等比自适应-高清屏-宽度自适应预览，下拉树查看已选展示异常

要考虑相对定位元素发生滚动的场景

src/base/combination/combo.js

@@ -310,8 +310,8 @@
                 var scaleX = positonedRect.width / positionRelativeElement.offsetWidth;
                 var scaleY = positonedRect.height / positionRelativeElement.offsetHeight;
 
-                p.top && (p.top = Math.round(p.top / scaleY));
+                p.top && (p.top = Math.round(p.top / scaleY + positionRelativeElement.scrollTop));
-                p.left && (p.left = Math.round(p.left / scaleX));
+                p.left && (p.left = Math.round(p.left / scaleX + positionRelativeElement.scrollLeft));
 
                 p.adaptHeight && (p.adaptHeight = Math.round(p.adaptHeight / scaleY));
             }

src/core/platform/web/dom.js

@@ -239,13 +239,15 @@
         },
 
         isRightSpaceLarger: function (combo) {
-            var windowBounds = BI.Widget._renderEngine.createElement("body").bounds();
+            var comboBounds = combo.element[0].getBoundingClientRect(),
-            return windowBounds.width - combo.element.offset().left - combo.element.bounds().width >= combo.element.offset().left;
+                viewportBounds = document.documentElement.getBoundingClientRect();
+            return viewportBounds.width - comboBounds.right >= comboBounds.left;
         },
 
         isBottomSpaceLarger: function (combo) {
-            var windowBounds = BI.Widget._renderEngine.createElement("body").bounds();
+            var comboBounds = combo.element[0].getBoundingClientRect(),
-            return windowBounds.height - combo.element.offset().top - combo.element.bounds().height >= combo.element.offset().top;
+                viewportBounds = document.documentElement.getBoundingClientRect();
+            return viewportBounds.height - comboBounds.bottom >= comboBounds.top;
         },
 
         _getLeftAlignPosition: function (combo, popup, extraWidth, container) {
@@ -279,9 +281,9 @@
             };
         },
 
-        getLeftAdaptPosition: function (combo, popup, extraWidth) {
+        getLeftAdaptPosition: function (combo, popup, extraWidth, container) {
-            if (BI.DOM.isLeftSpaceEnough(combo, popup, extraWidth)) {
+            if (BI.DOM.isLeftSpaceEnough(combo, popup, extraWidth, container)) {
-                return BI.DOM.getLeftPosition(combo, popup, extraWidth);
+                return BI.DOM.getLeftPosition(combo, popup, extraWidth, container);
             }
             return {
                 left: 0
@@ -312,12 +314,12 @@
             };
         },
 
-        getRightAdaptPosition: function (combo, popup, extraWidth) {
+        getRightAdaptPosition: function (combo, popup, extraWidth, container) {
-            if (BI.DOM.isRightSpaceEnough(combo, popup, extraWidth)) {
+            if (BI.DOM.isRightSpaceEnough(combo, popup, extraWidth, container)) {
-                return BI.DOM.getRightPosition(combo, popup, extraWidth);
+                return BI.DOM.getRightPosition(combo, popup, extraWidth, container);
             }
             return {
-                left: BI.Widget._renderEngine.createElement("body").bounds().width - popup.element.bounds().width
+                left: document.documentElement.getBoundingClientRect().width - popup.element[0].getBoundingClientRect().width - container.getBoundingClientRect().left
             };
         },
 
@@ -355,26 +357,28 @@
             };
         },
 
-        getTopAdaptPosition: function (combo, popup, extraHeight, needAdaptHeight) {
+        getTopAdaptPosition: function (combo, popup, extraHeight, needAdaptHeight, positionRelativeElement) {
-            var popupBounds = popup.element.bounds(),
+            var comboBounds = combo.element[0].getBoundingClientRect(),
-                windowBounds = BI.Widget._renderEngine.createElement("body").bounds();
+                popupBounds = popup.element[0].getBoundingClientRect(),
+                positionRelativeElementRect = positionRelativeElement.getBoundingClientRect(),
+                viewportBounds = document.documentElement.getBoundingClientRect();
             if (BI.DOM.isTopSpaceEnough(combo, popup, extraHeight)) {
                 return BI.DOM.getTopPosition(combo, popup, extraHeight);
             }
             if (needAdaptHeight) {
                 return {
-                    top: 0,
+                    top: 0 - positionRelativeElementRect.top,
-                    adaptHeight: combo.element.offset().top - extraHeight
+                    adaptHeight: comboBounds.top - extraHeight
                 };
             }
-            if (popupBounds.height + extraHeight > windowBounds.height) {
+            if (popupBounds.height + extraHeight > viewportBounds.height) {
                 return {
-                    top: 0,
+                    top: 0 - positionRelativeElementRect.top,
-                    adaptHeight: windowBounds.height - extraHeight
+                    adaptHeight: viewportBounds.height - extraHeight
                 };
             }
             return {
-                top: 0
+                top: 0 - positionRelativeElementRect.top
             };
         },
 
@@ -413,7 +417,8 @@
         },
 
         getBottomAdaptPosition: function (combo, popup, extraHeight, needAdaptHeight) {
-            var comboBounds = combo.element[0].getBoundingClientRect(), popupBounds = popup.element[0].getBoundingClientRect(),
+            var comboBounds = combo.element[0].getBoundingClientRect(),
+                popupBounds = popup.element[0].getBoundingClientRect(),
                 windowBounds = BI.Widget._renderEngine.createElement("body").bounds();
             if (BI.DOM.isBottomSpaceEnough(combo, popup, extraHeight)) {
                 return BI.DOM.getBottomPosition(combo, popup, extraHeight);
@@ -638,10 +643,10 @@
                 case "left":
                 case "right":
                     if (BI.DOM.isRightSpaceLarger(combo)) {
-                        left = BI.DOM.getRightAdaptPosition(combo, popup, extraWidth).left;
+                        left = BI.DOM.getRightAdaptPosition(combo, popup, extraWidth, container).left;
                         firstDir = "right";
                     } else {
-                        left = BI.DOM.getLeftAdaptPosition(combo, popup, extraWidth).left;
+                        left = BI.DOM.getLeftAdaptPosition(combo, popup, extraWidth, container).left;
                         firstDir = "left";
                     }
                     if (topBottom[0] === "bottom") {
@@ -656,19 +661,19 @@
                     return pos;
                 default :
                     if (BI.DOM.isBottomSpaceLarger(combo)) {
-                        top = BI.DOM.getBottomAdaptPosition(combo, popup, extraHeight, needAdaptHeight).top;
+                        top = BI.DOM.getBottomAdaptPosition(combo, popup, extraHeight, needAdaptHeight, container).top;
                         firstDir = "bottom";
                     } else {
-                        top = BI.DOM.getTopAdaptPosition(combo, popup, extraHeight, needAdaptHeight).top;
+                        top = BI.DOM.getTopAdaptPosition(combo, popup, extraHeight, needAdaptHeight, container).top;
                         firstDir = "top";
                     }
                     if (leftRight[0] === "right") {
-                        pos = BI.DOM.getLeftAlignPosition(combo, popup, extraWidth);
+                        pos = BI.DOM.getLeftAlignPosition(combo, popup, extraWidth, container);
                         pos.top = top;
                         pos.dir = firstDir + "," + pos.dir;
                         return pos;
                     }
-                    pos = BI.DOM.getRightAlignPosition(combo, popup, extraWidth);
+                    pos = BI.DOM.getRightAlignPosition(combo, popup, extraWidth, container);
                     pos.top = top;
                     pos.dir = firstDir + "," + pos.dir;
                     return pos;