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我使用drawRect创建了一个自定义按钮:并将它放在我的headerview中用于我的tableview。我想在选择编辑模式时隐藏自定义按钮。我知道我可以通过使用方法做:启用编辑模式时如何隐藏自定义按钮?
-(void)setEditing:(BOOL)editing animated:(BOOL)animated
但出于某种原因,我的按钮实际上没有当我是1)将其设置为无,2),或使用button.hidden财产dissapearing。这里是我的代码:
TableViewController.h:
@interface ToDoTableViewController : UITableViewController <Properties2ViewControllerDelegate, UITableViewDelegate>{
addButtonView *button;
}
@property (strong, nonatomic) NSMutableArray *taskArray;
@property (strong, nonatomic) NSMutableArray *completedArray;
-(IBAction)addCell:(id)sender;
-(void)buttonPressed:(id)sender;
@end
TableViewController.m
-(UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section{
UIView *headerView;
UIView *seperatorView;
CGRect testFrame = CGRectMake(280.0, 5.0, 30.0, 30.0);
button = [[addButtonView alloc]initWithFrame:testFrame];
NSString *sectionTitle = @"Incomplete Tasks";
NSString *section2Title = @"Completed Tasks";
UILabel *label = [[UILabel alloc]init];
label.textColor = [UIColor colorWithRed:236.0/255 green:240.0/255 blue:241.0/255 alpha:1.0f];
label.font = [UIFont fontWithName:@"HelveticaNeue-Light" size:25];
label.backgroundColor = [UIColor clearColor];
label.frame = CGRectMake(10.0, 0.0, 320.0, 40.0);
headerView = [[UIView alloc]initWithFrame:label.frame];
[button addTarget:self action:@selector(addCell:) forControlEvents:UIControlEventTouchUpInside];
[button addTarget:self action:@selector(buttonPressed:) forControlEvents:UIControlEventTouchUpInside];
CGRect sepFrame = CGRectMake(0, headerView.frame.size.height-2, 320, 1);
seperatorView = [[UIView alloc] initWithFrame:sepFrame];
seperatorView.backgroundColor = [UIColor colorWithRed:236.0/255 green:240.0/255 blue:241.0/255 alpha:1.0f];
[headerView addSubview:seperatorView];
switch (section) {
case 0:
label.text = sectionTitle;
[headerView addSubview:label];
[headerView addSubview:button];
break;
case 1:
label.text = section2Title;
[headerView addSubview:label];
// if (completedArray == nil)
// headerView.hidden = YES;
break;
}
return headerView;
}
-(void)setEditing:(BOOL)editing animated:(BOOL)animated{
[super setEditing:editing animated:animated];
if([self isEditing]){
button.hidden = YES;
}else {
button.hidden = NO;
}
}
---编辑----
-(void)setEditing:(BOOL)editing animated:(BOOL)animated{
[super setEditing:editing animated:animated];
if([self isEditing]){
button.hidden = YES;
[[self tableView] reloadData]; //shouldn't this make the button dissapear?
}else {
button.hidden = NO;
}
}
我更新了主要职位有什么我改变。 根据您的反馈,为什么不工作呢?我正在隐藏按钮,然后重新加载视图,所以不应该隐藏按钮? – EvilAegis
您需要更改'viewForHeaderInSection'才能使其工作。如果您总是在'viewForHeaderInSection'中重新创建按钮,那么将旧按钮设置为隐藏状态总是会丢失。改变'setEditing:'不能解决问题。 – Wain
我如何创建标题一次,并返回相同的实例,如你所说? (基于我当前viewForHeaderInSection – EvilAegis