Question

使用SegmentedControl，我在多个CustomCells上遇到了一个小问题。我已经导入了一个带有4个分段控件的框架HMSegmentedControl，如（Admin，Engineer，Doctor，Employee）。现在的问题是如何使用多个自定义单元格（AdminCellList，EngineerCellList，DoctorCellList，EmployeeListCell）。单击Admin SegmentedControl时，应加载AdminCellList，依此类推。以下是我的尝试。 TIA。

MYViewController.h

@interface MYViewController : UIViewController
{
NSUInteger currentScreen;
}

MYViewController.m

self.AdminView.hidden = NO;
    self.EngineerView.hidden = YES;
    self.DoctorView.hidden = YES;
    self.EmployeeView.hidden = YES;


    currentScreen=0;
    [self.scrollView addSubview:self.AdminView];

self.edgesForExtendedLayout = UIRectEdgeNone;


    CGFloat viewWidth = CGRectGetWidth(self.view.frame);

    HMSegmentedControl *segmentedControl = [[HMSegmentedControl alloc] initWithSectionTitles:@[@"Admin", @"Engineer", @"Doctor", @"Employee"]];
    segmentedControl.frame = CGRectMake(0, 0, viewWidth, 45);
    segmentedControl.selectionStyle = HMSegmentedControlSelectionStyleFullWidthStripe;

    segmentedControl.backgroundColor = [UIColor colorWithRed:170/255.0 green:170/255.0 blue:170/255.0 alpha:1.0];

    segmentedControl.selectionIndicatorColor = [UIColor blackColor];
    segmentedControl.selectionIndicatorHeight = 2.0f;
    segmentedControl.verticalDividerEnabled = YES;
    segmentedControl.verticalDividerColor = [UIColor blackColor];
    segmentedControl.verticalDividerWidth = 1.0f;
    segmentedControl.borderColor = [UIColor blackColor];


    [segmentedControl setTitleFormatter:^NSAttributedString *(HMSegmentedControl *segmentedControl, NSString *title, NSUInteger index, BOOL selected) {
        NSAttributedString *attString = [[NSAttributedString alloc] initWithString:title attributes:@{NSForegroundColorAttributeName : [UIColor whiteColor]}];
        return attString;
    }];

    [segmentedControl addTarget:self action:@selector(segmentedControlChangedValue:) forControlEvents:UIControlEventValueChanged];
    [self.view addSubview:segmentedControl];
}


- (void)segmentedControlChangedValue:(UISegmentedControl *)segment
{

    if(segment.selectedSegmentIndex == 0) {
        currentScreen=0;

       //Loading Service
    }
    else if(segment.selectedSegmentIndex == 1) {
        currentScreen=1;

        //Loading Service
    }
    else if(segment.selectedSegmentIndex == 2) {
        currentScreen=2;

        //Loading Service
    }
    else if(segment.selectedSegmentIndex == 3) {
        currentScreen=3;

        //Loading Service
    }

}


- (void)uisegmentedControlChangedValue:(UISegmentedControl *)segmentedControl {
    NSLog(@"Selected index %ld", (long)segmentedControl.selectedSegmentIndex);

}


#pragma mark -
#pragma mark Table view data source

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
    // Return the number of sections.
    return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
 return 10;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {

    static NSString *CellIdentifier = @"Cell";

    AdminCellList *cell = (AdminCellList *) [tableView dequeueReusableCellWithIdentifier:CellIdentifier];

    if (cell == nil) {

        NSArray *topLevelObjects = [[NSBundle mainBundle] loadNibNamed:@"AdminCellList" owner:self options:nil];

        for (id currentObject in topLevelObjects){
            if ([currentObject isKindOfClass:[UITableViewCell class]]){
                cell =  (AdminCellList *) currentObject;
                cell.selectionStyle=UITableViewCellSelectionStyleNone;

}

Answer 1

一切看起来都不错，只需要一些补充：

1.每次用户更改细分时都会显示表格。

2.根据cellForRowAtIndexPath在currentScreen内查看并使用自定义类加载相应的单元格。

- (void)segmentedControlChangedValue:(UISegmentedControl *)segment {

    if(segment.selectedSegmentIndex == 0) {
        currentScreen=0;
    }
    else if(segment.selectedSegmentIndex == 1) {
        currentScreen=1;
    }
    ....... more code

    [myTableView reloadData];
    }

    - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {

        static NSString *CellIdentifier = @"Cell";

        if (currentScreen == 0) {
            AdminCellList *cell = (AdminCellList *) [tableView dequeueReusableCellWithIdentifier:CellIdentifier];

            if (cell == nil) {

                NSArray *topLevelObjects = [[NSBundle mainBundle] loadNibNamed:@"AdminCellList" owner:self options:nil];

                for (id currentObject in topLevelObjects){
                    if ([currentObject isKindOfClass:[UITableViewCell class]]){
                        cell =  (AdminCellList *) currentObject;
                        cell.selectionStyle=UITableViewCellSelectionStyleNone;

                    }
                }
            }
        } else if (currentScreen == 1) {
            //Same code for cell as AdminCellList
            EngineerCellList *cell = (EngineerCellList *) [tableView dequeueReusableCellWithIdentifier:CellIdentifier];

            if (cell == nil) {

                NSArray *topLevelObjects = [[NSBundle mainBundle] loadNibNamed:@"EngineerCellList" owner:self options:nil];

                for (id currentObject in topLevelObjects){
                    if ([currentObject isKindOfClass:[UITableViewCell class]]){
                        cell =  (EngineerCellList *) currentObject;
                        cell.selectionStyle=UITableViewCellSelectionStyleNone;

                    }
                }
            }
        } else if (currentScreen == 2) {
            //Similar custom cell code here as above
        } else {
            //Similar custom cell code here as above
        }
}

如何在UISegmentedControl目标C中使用多个CustomCell

1 个答案: