增加激活编辑状态的block

PodCode/Classes/CRBoxInputView.h

@@ -12,7 +12,14 @@
 #import "CRBoxInputCell.h"
 @class CRBoxInputView;
 
+typedef NS_ENUM(NSInteger, CRTextEditStatus) {
+    CRTextEditStatus_Idle,
+    CRTextEditStatus_BeginEdit,
+    CRTextEditStatus_EndEdit,
+};
+
 typedef void(^TextDidChangeblock)(NSString * _Nullable text, BOOL isFinished);
+typedef void(^TextEditStatusChangeblock)(CRTextEditStatus editStatus);
 
 @interface CRBoxInputView : UIView
 
@@ -70,6 +77,7 @@ typedef void(^TextDidChangeblock)(NSString * _Nullable text, BOOL isFinished);
 @property (strong, nonatomic) NSString  * _Nullable placeholderText;
 
 @property (copy, nonatomic) TextDidChangeblock _Nullable textDidChangeblock;
+@property (copy, nonatomic) TextEditStatusChangeblock _Nullable textEditStatusChangeblock;
 @property (strong, nonatomic) CRBoxFlowLayout * _Nullable boxFlowLayout;
 @property (strong, nonatomic) CRBoxInputCellProperty * _Nullable customCellProperty;
 @property (strong, nonatomic, readonly) NSString  * _Nullable textValue;

PodCode/Classes/CRBoxInputView.m

@@ -158,22 +158,36 @@ typedef NS_ENUM(NSInteger, CRBoxTextChangeType) {
 - (void)textFieldDidBeginEditing:(UITextField *)textField
 {
     _ifNeedBeginEdit = YES;
+    
+    if (self.textEditStatusChangeblock) {
+        self.textEditStatusChangeblock(CRTextEditStatus_BeginEdit);
+    }
+    
     [self.mainCollectionView reloadData];
 }
 
 - (void)textFieldDidEndEditing:(UITextField *)textField
 {
     _ifNeedBeginEdit = NO;
+    
+    if (self.textEditStatusChangeblock) {
+        self.textEditStatusChangeblock(CRTextEditStatus_EndEdit);
+    }
+    
     [self.mainCollectionView reloadData];
 }
 
 #pragma mark - TextViewEdit
 - (void)beginEdit{
-    [self.textView becomeFirstResponder];
+    if (![self.textView isFirstResponder]) {
+        [self.textView becomeFirstResponder];
+    }
 }
 
 - (void)endEdit{
-    [self.textView resignFirstResponder];
+    if ([self.textView isFirstResponder]) {
+        [self.textView resignFirstResponder];
+    }
 }
 
 - (void)clearAll