KERNEL-13199 feat: sticky布局支持同时吸顶和吸底

src/core/wrapper/layout/sticky/sticky.horizontal.js

@@ -21,13 +21,29 @@ BI.HorizontalStickyLayout = BI.inherit(BI.FlexHorizontalLayout, {
             }
         }
         if (columnSize !== "fill") {
-            var firstItemFill = o.columnSize[0] === "fill" || o.items[0].width === "fill";
-            w.element.css({
-                position: "sticky",
-                zIndex: 1,
-                left: firstItemFill ? "" : 0,
-                right: firstItemFill ? 0 : ""
+            var fillIndex;
+            BI.count(0, o.items.length - 1, index => {
+                if (BI.isNotNull(fillIndex)) {
+                    return;
+                }
+                if ((o.columnSize[index] === "fill" || o.items[index].width === "fill")) {
+                    fillIndex = index;
+                }
             });
+
+            if (fillIndex > i) {
+                w.element.css({
+                    position: "sticky",
+                    zIndex: 1,
+                    left: 0,
+                });
+            } else {
+                w.element.css({
+                    position: "sticky",
+                    zIndex: 1,
+                    right: 0
+                });
+            }
         } else {
             w.element.css({
                 overflow: ""

src/core/wrapper/layout/sticky/sticky.vertical.js

@@ -21,13 +21,29 @@ BI.VerticalStickyLayout = BI.inherit(BI.FlexVerticalLayout, {
             }
         }
         if (rowSize !== "fill") {
-            var firstItemFill = o.rowSize[0] === "fill" || o.items[0].height === "fill";
-            w.element.css({
-                position: "sticky",
-                zIndex: 1,
-                top: firstItemFill ? "" : 0,
-                bottom: firstItemFill ? 0 : ""
+            var fillIndex;
+            BI.count(0, o.items.length - 1, index => {
+                if (BI.isNotNull(fillIndex)) {
+                    return;
+                }
+                if ((o.rowSize[index] === "fill" || o.items[index].height === "fill")) {
+                    fillIndex = index;
+                }
             });
+
+            if (fillIndex > i) {
+                w.element.css({
+                    position: "sticky",
+                    zIndex: 1,
+                    top: 0,
+                });
+            } else {
+                w.element.css({
+                    position: "sticky",
+                    zIndex: 1,
+                    bottom: 0
+                });
+            }
         } else {
             w.element.css({
                 overflow: ""