no message

Author: CoderFM

Example/FMLayoutKit/Base.lproj/Main.storyboard

@@ -7,10 +7,10 @@
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <scenes>
-        <!--View Controller-->
+        <!--Combine View Controller-->
         <scene sceneID="wQg-tq-qST">
             <objects>
-                <viewController id="whP-gf-Uak" customClass="FMViewController" sceneMemberID="viewController">
+                <viewController id="whP-gf-Uak" customClass="FMCombineViewController" sceneMemberID="viewController">
                     <layoutGuides>
                         <viewControllerLayoutGuide type="top" id="uEw-UM-LJ8"/>
                         <viewControllerLayoutGuide type="bottom" id="Mvr-aV-6Um"/>

Example/FMLayoutKit/FMCombineViewController.m

@@ -112,17 +112,17 @@ - (void)viewDidLoad {
         make.top.mas_equalTo(100);
     }];
     self.collectionView = view;
-        [self addSections];
-    //    [self addCrossFixedSections];
+//        [self addSections];
+    [self addCrossFixedSections];
 //    [self addScaleSection];
-    self.collectionView.enableLongPressDrag = YES;
+//    self.collectionView.enableLongPressDrag = YES;
 //    [self.collectionView setConfigureSourceView:^UIView * _Nonnull(UICollectionViewCell * _Nonnull sourceCell) {
 //        UIView *source = [[UIView alloc] initWithFrame:sourceCell.frame];
 //        source.backgroundColor = [UIColor purpleColor];
 //        return source;
 //    }];
 
-    self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"刷新" style:UIBarButtonItemStylePlain target:self.collectionView action:@selector(reloadData)];
+//    self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"刷新" style:UIBarButtonItemStylePlain target:self.collectionView action:@selector(reloadData)];
 }
 
 - (void)addSections{
@@ -182,7 +182,9 @@ - (void)addSections{
 
             section.itemDatas = [@[@"1-1", @"1-2", @"1-3"] mutableCopy];
             section.cellElement = [FMLayoutElement elementWithViewClass:[FMCollectionCustomCell class]];
-
+            [section setDeqCellReturnElement:^FMLayoutElement * _Nonnull(FMLayoutDynamicSection * _Nonnull section, NSInteger index) {
+                return [section.cellElements lastObject];
+            }];
             [section setFrameBlock:^CGRect(id  _Nonnull section, NSInteger item) {
                 switch (item) {
                     case 0:
@@ -303,6 +305,7 @@ - (void)addCrossFixedSections{
         section.itemDatas = [@[@"1", @"2", @"2", @"3", @"2", @"3", @"2", @"3", @"2", @"3", @"2", @"3"] mutableCopy];
 
         FMLayoutCrossTransformSection *cSection = [FMLayoutCrossTransformSection sectionAutoWithSection:section];
+        cSection.transformType = FMLayoutCrossTransformScale;
         //        [cSection setTransformBlock:^(UICollectionViewCell * _Nonnull cell, CGFloat progress) {
         //            cell.la
         //        }];

FMLayoutKit/Classes/Cross/FMLayoutCrossTransformSection.m

@@ -14,7 +14,7 @@ - (instancetype)init
     self = [super init];
     if (self) {
         [self setConfigureCollectionView:^(UICollectionView * _Nonnull collectionView, FMLayoutCrossSection * _Nonnull hSection) {
-            collectionView.decelerationRate = 0;
+            collectionView.decelerationRate = UIScrollViewDecelerationRateFast;
             collectionView.alwaysBounceHorizontal = YES;
             dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.2 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
                 [collectionView layoutIfNeeded];

FMLayoutKit/Classes/Sections/FMLayoutBaseSection.h

@@ -145,6 +145,8 @@ NS_ASSUME_NONNULL_BEGIN
 - (void)registerCells;
 - (void)registerCellsWithCollectionView:(UICollectionView *)collectionView;
 
+- (void)reload;
+- (void)reloadItem:(NSInteger)item;
 @end
 
 NS_ASSUME_NONNULL_END

FMLayoutKit/Classes/Sections/FMLayoutBaseSection.m

@@ -255,7 +255,7 @@ - (void)prepareItems{
     NSMutableArray *attrs = [NSMutableArray array];
     int first = 0;
     if (self.handleType == FMLayoutHandleTypeAppend) {
-        attrs = [self.itemsAttribute mutableCopy];
+        attrs = [self.itemsAttribute?:@[] mutableCopy];
         first = (int)self.handleItemStart;
     }
     for (int j = first; j < items; j++) {
@@ -404,4 +404,12 @@ - (FMCollectionLayoutAttributes *)getItemAttributesWithIndex:(NSInteger)j{
     @throw [NSException exceptionWithName:@"child class must implementation this method" reason:@"FMLayoutBaseSection" userInfo:nil];
 }
 
+- (void)reload{
+    [self.collectionView reloadSections:[NSIndexSet indexSetWithIndex:self.indexPath.section]];
+}
+
+- (void)reloadItem:(NSInteger)item{
+    [self.collectionView reloadItemsAtIndexPaths:@[[NSIndexPath indexPathForItem:item inSection:self.indexPath.section]]];
+}
+
 @end

FMLayoutKit/Classes/Sections/FMLayoutDynamicSection.h

@@ -24,9 +24,9 @@ typedef CGFloat(^FMLayoutItemOtherBlock)(id section, NSInteger item);
 ///固定单一分组  当固定单一分组时  可以不用手动配置deqCellReturnReuseId
 @property(nonatomic, strong)FMLayoutElement *cellElement;
 ///获取cell的复用FMLayoutElement
-@property(nonatomic, copy)FMLayoutElement *(^deqCellReturnElement)(FMLayoutDynamicSection *section, NSInteger index);
+@property(nonatomic, copy)FMLayoutElement *(^deqCellReturnElement)(FMLayoutDynamicSection *section, NSInteger item);
 ///填充数据  仅当autoHeightFixedWidth为Yes时有用
-@property(nonatomic, copy)void(^configurationCell)(FMLayoutDynamicSection *section, UICollectionViewCell *cell, NSInteger index);
+@property(nonatomic, copy)void(^configurationCell)(FMLayoutDynamicSection *section, UICollectionViewCell *cell, NSInteger item);
 ///block返回手动计算的高度  优先级比自动的高
 @property(nonatomic, copy)FMLayoutItemOtherBlock otherBlock;
 

FMLayoutKit/Classes/Sections/FMLayoutDynamicSection.m

@@ -125,6 +125,9 @@ - (FMCollectionLayoutAttributes *)getItemAttributesWithIndex:(NSInteger)j{
 }
 
 - (UICollectionViewCell *)dequeueReusableCellForIndexPath:(NSIndexPath *)indexPath collectionView:(nonnull UICollectionView *)collectionView{
+    if (!self.deqCellReturnElement) {
+        @throw [NSException exceptionWithName:@"dynamic section must have to set deqCellReturnElement value" reason:@"FMLayoutDynamicSection" userInfo:nil];
+    }
     return [collectionView dequeueReusableCellWithReuseIdentifier:self.deqCellReturnElement(self, indexPath.item).reuseIdentifier forIndexPath:indexPath];
 }
 

FMLayoutKit/Classes/Sections/FMLayoutFillSection.m

@@ -30,7 +30,7 @@ - (void)prepareItems{
     NSMutableArray *attrs = [NSMutableArray array];
     int first = 0;
     if (self.handleType == FMLayoutHandleTypeAppend) {
-        attrs = [self.itemsAttribute mutableCopy];
+        attrs = [self.itemsAttribute?:@[] mutableCopy];
         first = (int)self.handleItemStart;
     }
     CGFloat maxHeight = 0;

README.md

@@ -209,7 +209,10 @@ multi.dataSource = self;
 
 ```
 #### 版本更新
-2020-08-21(1.1.6)
+2020-08-21(1.1.9)
+修复小bug,增加section刷新方法
+
+2020-08-21(1.1.8)
 tesla优化修复bug, 填充布局支持间距
 
 2020-08-02(1.1.6)