方向控制功能

Ifish/ZLRocker/UIView+Sizes.m

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+/*
+ * RNSwipeViewController
+ *
+ * Created by Ryan Nystrom on 10/2/12.
+ * Copyright (c) 2012 Ryan Nystrom. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#import "UIView+Sizes.h"
+
+@implementation UIView (Sizes)
+
+
+#pragma mark - Edges
+
+- (CGFloat)left {
+    return self.frame.origin.x;
+}
+
+- (void)setLeft:(CGFloat)x {
+    CGRect frame = self.frame;
+    frame.origin.x = x;
+    self.frame = frame;
+}
+
+- (CGFloat)top {
+    return self.frame.origin.y;
+}
+
+- (void)setTop:(CGFloat)y {
+    CGRect frame = self.frame;
+    frame.origin.y = y;
+    self.frame = frame;
+}
+
+- (CGFloat)right {
+    return self.frame.origin.x + self.frame.size.width;
+}
+
+- (void)setRight:(CGFloat)right {
+    CGRect frame = self.frame;
+    frame.origin.x = right - frame.size.width;
+    self.frame = frame;
+}
+
+- (CGFloat)bottom {
+    return self.frame.origin.y + self.frame.size.height;
+}
+
+- (void)setBottom:(CGFloat)bottom {
+    CGRect frame = self.frame;
+    frame.origin.y = bottom - frame.size.height;
+    self.frame = frame;
+}
+
+#pragma mark - Dimensions
+
+- (CGFloat)width {
+    return self.frame.size.width;
+}
+
+- (void)setWidth:(CGFloat)width {
+    CGRect frame = self.frame;
+    frame.size.width = width;
+    self.frame = frame;
+}
+
+- (CGFloat)height {
+    return self.frame.size.height;
+}
+
+- (void)setHeight:(CGFloat)height {
+    CGRect frame = self.frame;
+    frame.size.height = height;
+    self.frame = frame;
+}
+
+#pragma mark - Quick Access
+
+- (CGPoint)origin {
+    return self.frame.origin;
+}
+
+- (void)setOrigin:(CGPoint)origin {
+    CGRect frame = self.frame;
+    frame.origin = origin;
+    self.frame = frame;
+}
+
+- (CGSize)size {
+    return self.frame.size;
+}
+
+- (void)setSize:(CGSize)size {
+    CGRect frame = self.frame;
+    frame.size = size;
+    self.frame = frame;
+}
+
+#pragma mark - Center
+
+- (CGFloat)centerX{
+    return self.center.x;
+}
+
+- (void)setCenterX:(CGFloat)centerX{
+    self.center = CGPointMake(centerX, self.center.y);
+}
+
+- (CGFloat)centerY{
+    return self.center.y;
+}
+
+- (void)setCenterY:(CGFloat)centerY{
+    self.center = CGPointMake(self.center.x, centerY);
+}
+
+@end