added reloadData on table alert that will intelligently resize the alert

barrettj · Mar 20, 2012 · e6390f3 · e6390f3
1 parent 4ad5677
commit e6390f3
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Showing 3 changed files with 26 additions and 0 deletions.
diff --git a/BlockAlertsDemo/BlockAlertView.m b/BlockAlertsDemo/BlockAlertView.m
@@ -294,6 +294,7 @@ - (void)show
         modalBackground.image = background;
 
     modalBackground.contentMode = UIViewContentModeScaleToFill;
+    modalBackground.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
     [_view insertSubview:modalBackground atIndex:0];
     [modalBackground release];
 

diff --git a/BlockAlertsDemo/BlockTableAlertView.h b/BlockAlertsDemo/BlockTableAlertView.h
@@ -50,6 +50,8 @@ typedef enum {
 
 - (id)initWithTitle:(NSString *)title message:(NSString *)message;
 
+- (void)reloadData;
+
 + (BlockTableAlertView *)tableAlertWithTitle:(NSString *)title message:(NSString *)message;
 
 @end
diff --git a/BlockAlertsDemo/BlockTableAlertView.m b/BlockAlertsDemo/BlockTableAlertView.m
@@ -74,6 +74,29 @@ - (void)dismissWithClickedButtonIndex:(NSInteger)buttonIndex animated:(BOOL)anim
     [super dismissWithClickedButtonIndex:buttonIndex animated:animated];
 }
 
+- (void)reloadData {
+    CGFloat oldTableHeight = _tableView.frame.size.height;
+
+    [self.tableView reloadData];
+
+    CGFloat newTableHeight = kDefaultRowHeight * MIN(self.numberOfRowsInTableAlert(self), kNumMaximumVisibleRowsInTableView);
+
+    if (newTableHeight != oldTableHeight) {
+        CGFloat diff = newTableHeight - oldTableHeight;
+        [UIView animateWithDuration:0.3 animations:^{
+            [self.view.subviews enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
+                UIView *v = obj;
+                if (v.frame.origin.y >= _tableView.frame.origin.y + _tableView.frame.size.height)
+                    v.frame = CGRectMake(v.frame.origin.x, v.frame.origin.y + diff, v.frame.size.width, v.frame.size.height);
+            }];
+
+            _tableView.frame = CGRectMake(_tableView.frame.origin.x, _tableView.frame.origin.y, _tableView.frame.size.width, newTableHeight);
+            self.view.frame = CGRectMake(self.view.frame.origin.x, self.view.frame.origin.y, self.view.frame.size.width, self.view.frame.size.height + diff);
+        }];
+
+    }
+}
+
 - (void)show {
     if (!_shown)
         [self setupDisplay];