update

src/core/platform/web/config.js

@@ -113,19 +113,7 @@ BI.prepares.push(function () {
         if (ob.items && ob.items.length <= 1) {
             return BI.extend({}, ob, {type: "bi.inline_horizontal_adapt"});
         }
-        return BI.extend({}, ob, {
-            type: "bi.inline_horizontal_adapt",
-            vgap: 0,
-            tgap: 0,
-            bgap: 0,
-            items: [{
-                type: "bi.vertical",
-                vgap: ob.vgap,
-                tgap: ob.tgap,
-                bgap: ob.bgap,
-                items: ob.items
-            }]
-        });
+        return ob;
     });
 
     BI.Plugin.configWidget("bi.horizontal_fill", function (ob) {

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

@@ -1,6 +1,74 @@
 /**
  * 浮动的水平居中布局
  */
-BI.FloatHorizontalLayout = function () {
-};
+BI.FloatHorizontalLayout = BI.inherit(BI.Layout, {
+
+  props: function () {
+      return BI.extend(BI.InlineHorizontalAdaptLayout.superclass.props.apply(this, arguments), {
+          baseCls: "bi-h-fl",
+          horizontalAlign: BI.HorizontalAlign.Center,
+          verticalAlign: BI.VerticalAlign.Top,
+          rowSize: [],
+          hgap: 0,
+          vgap: 0,
+          lgap: 0,
+          rgap: 0,
+          tgap: 0,
+          bgap: 0
+      });
+  },
+
+  render: function () {
+      var self = this, o = this.options;
+      if (o.verticalAlign === BI.VerticalAlign.Top){
+          return {
+              type: "bi.vertical",
+              ref: function (_ref) {
+                  self.layout = _ref;
+              },
+              items: this._formatItems(o.items),       
+              vgap: o.vgap,
+              tgap: o.tgap,
+              bgap: o.bgap
+          };
+      }
+      return {
+          type: "bi.inline",
+          items: [{
+              type: "bi.vertical",
+              ref: function (_ref) {
+                  self.layout = _ref;
+              },
+              items: this._formatItems(o.items),       
+              vgap: o.vgap,
+              tgap: o.tgap,
+              bgap: o.bgap
+          }],
+          horizontalAlign: o.horizontalAlign,
+          verticalAlign: o.verticalAlign
+      };
+  },
+
+  _formatItems: function (items) {
+      var o = this.options;
+      return BI.map(items, function (i, item) {
+          return {
+              type: "bi.inline_horizontal_adapt",
+              horizontalAlign: o.horizontalAlign,
+              items: [item],
+              hgap: o.hgap,
+              lgap: o.lgap,
+              rgap: o.rgap
+          }
+      });
+  },
+
+  resize: function () {
+      this.layout.stroke(this._formatItems(this.options.items));
+  },
+
+  populate: function (items) {
+      this.layout.populate(this._formatItems(items));
+  }
+});
 BI.shortcut("bi.horizontal_float", BI.FloatHorizontalLayout);