优化成组视图居中的问题。成组视图中的某个视图隐藏时其他视图会调整位置。

qianchuan2009 · Jul 9, 2015 · 15b5b3c · 15b5b3c
1 parent 9e6b592
commit 15b5b3c
Showing 1 changed file with 42 additions and 24 deletions.
diff --git a/MyLinearLayoutDemo/MyRelativeLayout.m b/MyLinearLayoutDemo/MyRelativeLayout.m
@@ -1022,30 +1022,40 @@ -(CGSize)calcLayout:(BOOL*)pRecalc
 
             CGFloat totalWidth = 0;
 
-            [self calcWidth:sbv];
-            totalWidth += sbv.absPos.width + sbv.leftMargin;
+            if (!(sbv.isHidden && self.hideSubviewReLayout))
+            {
+                [self calcWidth:sbv];
+                totalWidth += sbv.absPos.width + sbv.leftMargin;
+            }
 
 
             for (MyRelativePos *p in arr)
             {
-                [self calcWidth:p.view];
-                totalWidth += p.view.absPos.width + p.view.leftMargin;
+                if (!(p.view.isHidden && self.hideSubviewReLayout))
+                {
+                    [self calcWidth:p.view];
+                    totalWidth += p.view.absPos.width + p.view.leftMargin;
+                }
             }
 
             //所有宽度算出后，再分别设置
             CGFloat leftOffset = (self.width - self.leftPadding - self.rightPadding - totalWidth) / 2;
-            if (leftOffset < 0)
-                leftOffset = 0;
-
             leftOffset += self.leftPadding;
 
-            sbv.leftPos.equalTo(@(leftOffset));
+            id prev = @(leftOffset);
+            if (!(sbv.isHidden && self.hideSubviewReLayout))
+            {
+                sbv.leftPos.equalTo(prev);
+                prev = sbv.rightPos;
+            }
 
-            MyRelativePos *prev = sbv.rightPos;
             for (MyRelativePos *p in arr)
             {
-                p.view.leftPos.equalTo(prev);
-                prev = p.view.rightPos;
+                if (!(p.view.isHidden && self.hideSubviewReLayout))
+                {
+                    p.view.leftPos.equalTo(prev);
+                    prev = p.view.rightPos;
+                }
             }
         }
 
@@ -1057,36 +1067,44 @@ -(CGSize)calcLayout:(BOOL*)pRecalc
 
             CGFloat totalHeight = 0;
 
-            [self calcHeight:sbv];
-            totalHeight += sbv.absPos.height + sbv.topMargin;
+            if (!(sbv.isHidden && self.hideSubviewReLayout))
+            {
+                [self calcHeight:sbv];
+                totalHeight += sbv.absPos.height + sbv.topMargin;
+            }
 
 
             for (MyRelativePos *p in arr)
             {
-                [self calcHeight:p.view];
-                totalHeight += p.view.absPos.height + p.view.topMargin;
+                if (!(p.view.isHidden && self.hideSubviewReLayout))
+                {
+                    [self calcHeight:p.view];
+                    totalHeight += p.view.absPos.height + p.view.topMargin;
+                }
             }
 
             //所有宽度算出后，再分别设置
             CGFloat topOffset = (self.height - self.topPadding - self.topPadding - totalHeight) / 2;
-            if (topOffset < 0)
-                topOffset = 0;
-
             topOffset += self.topPadding;
 
-            sbv.topPos.equalTo(@(topOffset));
+            id prev = @(topOffset);
+            if (!(sbv.isHidden && self.hideSubviewReLayout))
+            {
+                sbv.topPos.equalTo(prev);
+                prev = sbv.bottomPos;
+            }
 
-            MyRelativePos *prev = sbv.bottomPos;
             for (MyRelativePos *p in arr)
             {
-                p.view.topPos.equalTo(prev);
-                prev = p.view.bottomPos;
+                if (!(p.view.isHidden && self.hideSubviewReLayout))
+                {
+                    p.view.topPos.equalTo(prev);
+                    prev = p.view.bottomPos;
+                }
             }
         }
 
 
-
-
     }
 
     //计算最大的宽度和高度