indexPath && cell

CodeWicky · Jan 14, 2020 · 4994038 · 4994038
1 parent 3be1001
commit 4994038
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Showing 2 changed files with 27 additions and 2 deletions.
diff --git a/DWTableViewHelper/DWTableViewHelper.h b/DWTableViewHelper/DWTableViewHelper.h
@@ -477,6 +477,22 @@ typedef NS_ENUM(NSUInteger, DWTableViewHelperLoadDataMode) {///数据加载优
 ///配合DWTableViewHelperLoadDataIgnoreHighSpeedMode使用，标志cell是否被绘制过
 @property (nonatomic ,assign ,readonly) BOOL cellHasBeenDrawn;
 
+/**
+ 当前正在展示的cell
+ 
+ 在willDisplayCell之后被赋值为对应的cell，在didEndDisplaying之后被置空
+ */
+@property (nonatomic ,weak ,readonly) __kindof DWTableViewHelperCell * currentDisplayCell;
+
+/**
+ 当前正在展示的cell对应的indexPath
+ 
+ 在willDisplayCell之后被赋值为对应的cell的indexPath，在didEndDisplaying之后被置空
+ */
+@property (nonatomic ,strong ,readonly) NSIndexPath * currentDisplayIndexPath;
+
+
+
 ///设置需要重新自动计算高度
 -(void)setNeedsReAutoCalculateRowHeight;
 

diff --git a/DWTableViewHelper/DWTableViewHelper.m b/DWTableViewHelper/DWTableViewHelper.m
@@ -54,6 +54,10 @@ @interface DWTableViewHelperModel ()
 
 @property (nonatomic ,strong) UIImage * cellSnap;
 
+@property (nonatomic ,weak) __kindof DWTableViewHelperCell * currentDisplayCell;
+
+@property (nonatomic ,strong) NSIndexPath * currentDisplayIndexPath;
+
 @end
 
 @implementation DWTableViewHelper
@@ -375,6 +379,9 @@ -(void)tableView:(UITableView *)tableView willDisplayCell:(DWTableViewHelperCell
         return;
     }
 
+    cell.model.currentDisplayCell = cell;
+    cell.model.currentDisplayIndexPath = indexPath;
+
     if (self.cellEditSelectedIcon && cell.model.cellEditSelectedIcon == ImageNull) {
         cell.model.cellEditSelectedIcon = self.cellEditSelectedIcon;
     }
@@ -409,10 +416,12 @@ - (void)tableView:(UITableView *)tableView willDisplayFooterView:(UIView *)view
     }
 }
 
-- (void)tableView:(UITableView *)tableView didEndDisplayingCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath*)indexPath {
+- (void)tableView:(UITableView *)tableView didEndDisplayingCell:(DWTableViewHelperCell *)cell forRowAtIndexPath:(NSIndexPath*)indexPath {
     if (DWDelegate && [DWDelegate respondsToSelector:@selector(dw_tableView:didEndDisplayingCell:forRowAtIndexPath:)]) {
         [DWDelegate dw_tableView:tableView didEndDisplayingCell:cell forRowAtIndexPath:indexPath];
     }
+    cell.model.currentDisplayCell = nil;
+    cell.model.currentDisplayIndexPath = nil;
 }
 
 - (void)tableView:(UITableView *)tableView didEndDisplayingHeaderView:(UIView *)view forSection:(NSInteger)section {
@@ -826,10 +835,10 @@ -(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NS
         return placeHolderCell();
     }
     DWTableViewHelperCell * cell = nil;
-    DWTableViewHelperModel * model = [self modelFromIndexPath:indexPath];
     if (DWDelegate && [DWDelegate respondsToSelector:@selector(dw_tableView:cellForRowAtIndexPath:)]) {
         cell = [DWDelegate dw_tableView:tableView cellForRowAtIndexPath:indexPath];
     }
+    DWTableViewHelperModel * model = [self modelFromIndexPath:indexPath];
 
     if (!cell) {
         cell = [self createCellFromModel:model useReuse:YES];