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如何在UITableView的特定级别展开和折叠行？

2013-05-08 68 views
0

Level 1的行应该展开和折叠。假设如果Row 0是开放的 - 这意味着它的状态是1 - 下一行的状态是0，如果我点击状态为0的下一行，那么状态为1的行应该关闭。如何在UITableView的特定级别展开和折叠行？

我该怎么做？

这里是我的代码：

- (void)viewDidLoad { 
    [super viewDidLoad]; 
    dictBtnStatus = [[NSMutableDictionary alloc] init]; 
    arraylist = [[NSMutableArray alloc] init]; 
    array5 = [[NSMutableArray alloc] init]; 
    array1 = [[NSMutableArray alloc] init]; 
    objects = @[@"Medical Services In Chicago", @"Medical Services On Campus", @"ABC", @"California"]; 
    // objects = @[@"Medical Services In Chicago", @"Medical Services On Campus"]; 
    arrObjectValueChicago = @[@"Ronald McDonald® Children's Hospital of Loyola", @"Burn Centers", @"Gottlieb Hospitals"]; 
    arrObjectValueCampus = @[@"Cardinal Bernardin Cancer Center1", @"Center for Heart & Vascular Medicine2", @"ABC"]; 
    for (int i = 0; i < [arrObjectValueCampus count]; i++) { 
     dictListCampus1 = [[NSDictionary alloc] initWithObjectsAndKeys:@"2", @"level",[arrObjectValueCampus objectAtIndex:i], @"name", nil]; 
     [array5 addObject:dictListCampus1]; 
    } 
    NSDictionary *dictListCampus = [[NSDictionary alloc] initWithObjectsAndKeys:@"Wellness Centers", @"name", @"1", @"level", array5, @"Objects", nil]; 
    NSMutableArray *array6 = [[NSMutableArray alloc] initWithObjects:dictListCampus, nil]; 
    array3 = [[NSMutableArray alloc] init ]; 
    for (int i = 0; i < [arrObjectValueChicago count]; i++){ 
     dictList3 = [[NSDictionary alloc]initWithObjectsAndKeys:@"2", @"level",[arrObjectValueChicago objectAtIndex:i], @"name", nil]; 
     [array3 addObject:dictList3]; 
    } 

    NSDictionary *dictList2 = [[NSDictionary alloc] initWithObjectsAndKeys:@"Hospitals", @"name", @"1", @"level", array3, @"Objects", nil]; 
    NSMutableArray *array2 = [[NSMutableArray alloc] initWithObjects:dictList2, nil]; 
    for (int i = 0; i < [objects count]; i++) { 
     if (i == 0) { 
      dictionary = [[NSDictionary alloc] initWithObjectsAndKeys:[objects objectAtIndex:0], @"name", @"0", @"level", array2, @"Objects", nil]; 
      [array1 addObject:dictionary]; 
     } else if (i == 1) { 
      dictionary = [[NSDictionary alloc] initWithObjectsAndKeys:[objects objectAtIndex:1], @"name", @"0", @"level", array6, @"Objects", nil]; 
      [array1 addObject:dictionary]; 
     } else if (i == 2) { 
      dictionary = [[NSDictionary alloc] initWithObjectsAndKeys:[objects objectAtIndex:2], @"name", @"0", @"level", array6, @"Objects", nil]; 
      [array1 addObject:dictionary]; 
     } else { 
      dictionary = [[NSDictionary alloc] initWithObjectsAndKeys:[objects objectAtIndex:3], @"name", @"0", @"level", array2, @"Objects", nil]; 
      [array1 addObject:dictionary]; 
     } 
    } 
    dictList = [[NSDictionary alloc] initWithObjectsAndKeys:array1, @"Objects", nil]; 
    arrayOriginal = [dictList valueForKey:@"Objects"]; 
    [arraylist addObjectsFromArray:arrayOriginal]; 
} 

#pragma mark - TableView 
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { 
    return 1; 
} 

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { 
    return [arraylist count]; 
} 

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { 
    // static NSString *CellIdentifier = @"CustomCellIdentifier"; 
    NSUInteger IndentLevel = [[[arraylist objectAtIndex:indexPath.row] valueForKey:@"level"] intValue]; 
    UITableViewCell *cell = (UITableViewCell *)[tableView dequeueReusableCellWithIdentifier:@"Cell"]; 
    if (IndentLevel == 0) { 
     CustomCellHeader *cell = (CustomCellHeader *)[tableView dequeueReusableCellWithIdentifier:@"CellIdentifier"]; 
     if (cell == nil) { 
      [[NSBundle mainBundle]loadNibNamed:@"CustomCellHeader" owner:self options:nil]; 
      cell = self.headercell; 
      self.headercell = nil; 
     } 
     cell.lblHeader.text = [[arraylist objectAtIndex:indexPath.row] valueForKey:@"name"]; 
     [cell setIndentationLevel:[[[arraylist objectAtIndex:indexPath.row] valueForKey:@"level"] intValue]]; 
     NSLog(@"indexFor level 0 ::%@ %d",cell.lblHeader.text,indexPath.row); 
     return cell; 
    } else if (IndentLevel == 1) { 
     CustomCellSubHeader *cell = (CustomCellSubHeader *)[tableView dequeueReusableCellWithIdentifier:@"CellIdentifier"]; 
     if (!cell) { 
      [[NSBundle mainBundle]loadNibNamed:@"CustomCellSubHeader" owner:self options:nil]; 
      cell = self.subheadercell; 
      self.subheadercell = nil; 
      NSLog(@"dicbtn %@", dictBtnStatus); 
      NSString *strName = [[arraylist objectAtIndex:indexPath.row]valueForKey:@"name"]; 
      NSString *str = [dictBtnStatus objectForKey:strName]; 
      NSLog(@"indexFor level 1 ::%@ %d", strName, indexPath.row); 

      if ([str isEqualToString:@"1"]) { 
       [cell.btnarrow setImage:[UIImage imageNamed:@"dwn1_arow.png"] forState:UIControlStateNormal]; 
       [cell.imgSubHeader setImage:[UIImage imageNamed:@"tab_active.png"]]; 
      } 
      cell.lblSubHeader.text = strName; 
      cell.imgShadow.hidden = YES; 
      [cell setIndentationLevel:[[[arraylist objectAtIndex:indexPath.row] valueForKey:@"level"] intValue]]; 
     } 
     return cell; 
    } else if (IndentLevel == 2) { 
     CustomCell *cell = (CustomCell *)[tableView dequeueReusableCellWithIdentifier:@"CellIdentifier"]; 
     if (cell == nil) { 
      [[NSBundle mainBundle]loadNibNamed:@"CustomCell" owner:self options:nil]; 
      cell = self.cells; 
      self.cells = nil; 
     } 
     cell.txtAddress.text = [[arraylist objectAtIndex:indexPath.row] valueForKey:@"name"]; 
     [cell.btnCall addTarget:self action:@selector(btnCall:) forControlEvents:UIControlEventTouchUpInside]; 
     [cell setIndentationLevel:[[[arraylist objectAtIndex:indexPath.row] valueForKey:@"level"] intValue]]; 
     return cell; 
    } 
    return cell; 
} 

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { 
    [tblist deselectRowAtIndexPath:indexPath animated:YES]; 
    NSUInteger IndentLevel = [[[arraylist objectAtIndex:indexPath.row] valueForKey:@"level"] intValue]; 
    NSString *strName = [[arraylist objectAtIndex:indexPath.row] valueForKey:@"name"]; 
    CustomCellSubHeader *cell = ((CustomCellSubHeader*)[tblist cellForRowAtIndexPath:indexPath]); 
    if (IndentLevel == 1) { 
     [dictBtnStatus setValue:@"0" forKey:strName]; 
     [cell.btnarrow setImage:[UIImage imageNamed:@"gry_arrow.png"] forState:UIControlStateNormal]; 
     [cell.imgSubHeader setImage:[UIImage imageNamed:@"tab_default.png"]]; 
    } 
    NSDictionary *d = [arraylist objectAtIndex:indexPath.row]; 
    if ([d valueForKey:@"Objects"]) { 
     NSArray *ar = [d valueForKey:@"Objects"]; 
     BOOL isAlreadyInserted = NO; 
     for (NSDictionary *dInner in ar) { 
      NSInteger index = [arraylist indexOfObjectIdenticalTo:dInner]; 
      isAlreadyInserted = (index > 0 && index != NSIntegerMax); 
      if (IndentLevel == 1) { 
       [dictBtnStatus setValue:@"0" forKey:strName]; 
       [cell.btnarrow setImage:[UIImage imageNamed:@"gry_arrow.png"] forState:UIControlStateNormal]; 
       [cell.imgSubHeader setImage:[UIImage imageNamed:@"tab_default.png"]]; 
      } else if (IndentLevel == 0) { 
       NSString *strStatus = [dictBtnStatus objectForKey:strName]; 
       if ([strStatus isEqualToString:@"1"]) { 
       // NSDictionary *dict = [arraylist objectAtIndex:previousRow]; 
       // if ([dict valueForKey:@"Objects"]) { 
        NSArray * array = [[arraylist objectAtIndex:previousRow]valueForKey:@"Objects"]; 
        [self miniMizeThisRows:array]; 
       } 
      } 
      if (isAlreadyInserted) break; 
     } 
     if (isAlreadyInserted) { 
      if ([arraylist count] - 1 && IndentLevel == 1) { 
       cell.imgShadow.hidden = NO; 
      } 
      if (IndentLevel == 1) { 
       [dictBtnStatus setValue:@"0" forKey:strName]; 
       [cell.btnarrow setImage:[UIImage imageNamed:@"gry_arrow.png"] forState:UIControlStateNormal]; 
       [cell.imgSubHeader setImage:[UIImage imageNamed:@"tab_default.png"]]; 
      } else if (IndentLevel == 0) { 
       [dictBtnStatus setValue:@"0" forKey:strName]; 
      } 
      [self miniMizeThisRows:ar]; 
     } else { 
      NSUInteger count=indexPath.row + 1; 
      NSMutableArray *arCells = [NSMutableArray array]; 
      for (NSDictionary *dInner in ar) { 
       [arCells addObject:[NSIndexPath indexPathForRow:count inSection:0]]; 
       previousRow = [indexPath row]; 
       if (IndentLevel == 1) { 
        [dictBtnStatus setValue:@"1" forKey:strName]; 
        [cell.btnarrow setImage:[UIImage imageNamed:@"dwn1_arow.png"] forState:UIControlStateNormal]; 
        [cell.imgSubHeader setImage:[UIImage imageNamed:@"tab_active.png"]]; 
       } else if (IndentLevel == 0) { 
        [dictBtnStatus setValue:@"1" forKey:strName]; 
       } 
       [arraylist insertObject:dInner atIndex:count++]; 
      } 
     [tableView insertRowsAtIndexPaths:arCells withRowAnimation:UITableViewRowAnimationNone]; 
     } 
    } 
} 

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath { 
    NSUInteger indentLevel = [[[arraylist objectAtIndex:indexPath.row] valueForKey:@"level"] intValue]; 
    if (indentLevel == 0) { 
     return 40; 
    } else if (indentLevel == 1) { 
     return 25; 
    } else if (indentLevel == 2) { 
     CustomCell *cell = ((CustomCell *)[tableView dequeueReusableCellWithIdentifier:@"CellIdentifier"]); 
     CGSize maximumSize = CGSizeMake(300, 9999); 
     UIFont *myFont = [UIFont fontWithName:@"Arial" size:11.5]; 
     CGSize myStringSize = [cell.txtAddress.text sizeWithFont:myFont constrainedToSize:maximumSize lineBreakMode:NSLineBreakByWordWrapping]; 
     [cell.txtAddress setFrame:CGRectMake(cell.txtAddress.frame.origin.x, cell.txtAddress.frame.origin.y, cell.txtAddress.frame.size.width, myStringSize.height)]; 

     if (myStringSize.height > 80) { 
      myStringSize.height = 50; 
      [cell.txtAddress setFrame:CGRectMake(cell.txtAddress.frame.origin.x, cell.txtAddress.frame.origin.y, cell.txtAddress.frame.size.width, myStringSize.height)]; 
      cell.txtAddress.scrollEnabled = YES; 
     } else { 
      cell.txtAddress.scrollEnabled = YES; 
      myStringSize.height = 40; 
     } 
     return myStringSize.height+ 50; 
    } else return 25; 
} 

#pragma mark - TableAnimation 

- (void)miniMizeThisRows:(NSArray *)ar { 
    for(NSDictionary *dInner in ar) { 
     NSUInteger indexToRemove = [arraylist indexOfObjectIdenticalTo:dInner]; 
     NSArray *arInner = [dInner valueForKey:@"Objects"]; 
     if (arInner && [arInner count] > 0) { 
      [self miniMizeThisRows:arInner]; 
     }  
     if ([arraylist indexOfObjectIdenticalTo:dInner]!= NSNotFound) { 
      [arraylist removeObjectIdenticalTo:dInner]; 
      [tblist deleteRowsAtIndexPaths:[NSArray arrayWithObject:[NSIndexPath indexPathForRow:indexToRemove inSection:0]] withRowAnimation:UITableViewRowAnimationNone]; 
     } 
    } 
}

来源

2013-05-08 Roma Udernani

回答

2 
- (void)viewDidLoad { 
    [super viewDidLoad]; 
    dictBtnStatus = [[NSMutableDictionary alloc] init]; 
    arraylist = [[NSMutableArray alloc] init]; 
    array5 = [[NSMutableArray alloc] init]; 
    array1 = [[NSMutableArray alloc] init]; 
    objects = @[@"Medical Services In Chicago", @"Medical Services On Campus", @"ABC", @"California"]; 
    // objects = @[@"Medical Services In Chicago", @"Medical Services On Campus"]; 
    arrObjectValueChicago = @[@"Ronald McDonald® Children's Hospital of Loyola", @"Burn Centers", @"Gottlieb Hospitals"]; 
    arrObjectValueCampus = @[@"Cardinal Bernardin Cancer Center1", @"Center for Heart & Vascular Medicine2", @"ABC"]; 
    for (int i = 0; i < [arrObjectValueCampus count]; i++) { 
     dictListCampus1 = [[NSDictionary alloc]initWithObjectsAndKeys:@"2", @"level",[arrObjectValueCampus objectAtIndex:i], @"name", nil]; 
     [array5 addObject:dictListCampus1]; 
    } 
    NSDictionary *dictListCampus = [[NSDictionary alloc]initWithObjectsAndKeys:@"Wellness Centers", @"name", @"1", @"level", array5, @"Objects", nil]; 
    NSMutableArray *array6 = [[NSMutableArray alloc] initWithObjects:dictListCampus, nil]; 
    NSDictionary *dictListCampus2 = [[NSDictionary alloc] initWithObjectsAndKeys:@"Wellness Centers123", @"name", @"1", @"level", array5, @"Objects", nil]; 
    NSMutableArray *array61 = [[NSMutableArray alloc] initWithObjects:dictListCampus2, nil]; 
    array3 = [[NSMutableArray alloc] init]; 
    for (int i = 0; i < [arrObjectValueChicago count]; i++) { 
     dictList3 = [[NSDictionary alloc] initWithObjectsAndKeys:@"2", @"level",[arrObjectValueChicago objectAtIndex:i], @"name", nil]; 
     [array3 addObject:dictList3]; 
    } 

    NSDictionary *dictList2 = [[NSDictionary alloc] initWithObjectsAndKeys:@"Hospitals", @"name", @"1", @"level", array3, @"Objects", nil]; 
    NSMutableArray *array2 = [[NSMutableArray alloc] initWithObjects:dictList2, nil]; 
    for (int i = 0; i < [objects count]; i++) { 
     if (i == 0) { 
      dictionary = [[NSDictionary alloc] initWithObjectsAndKeys:[objects objectAtIndex:0], @"name", @"0", @"level", array2, @"Objects", nil]; 
      [array1 addObject:dictionary]; 
     } else if (i == 1) { 
      dictionary = [[NSDictionary alloc] initWithObjectsAndKeys:[objects objectAtIndex:1], @"name", @"0", @"level", array6, @"Objects", nil]; 
      [array1 addObject:dictionary]; 
     } else if (i == 2) { 
      dictionary = [[NSDictionary alloc] initWithObjectsAndKeys:[objects objectAtIndex:2], @"name", @"0", @"level", array61, @"Objects", nil]; 
      [array1 addObject:dictionary]; 
     } 
     // else { 
     // dictionary = [[NSDictionary alloc] initWithObjectsAndKeys:[objects objectAtIndex:3], @"name", @"0", @"level", array2, @"Objects", nil]; 
     // [array1 addObject:dictionary]; 
     //} 
    } 
    dictList = [[NSDictionary alloc] initWithObjectsAndKeys:array1, @"Objects", nil]; 
    NSLog(@"DictList :: %@", dictList); 
    arrayOriginal = [dictList valueForKey:@"Objects"]; 
    NSLog(@"Array Original :: %@", arrayOriginal); 
    [arraylist addObjectsFromArray:arrayOriginal]; 

    //[tblist.delegate tableView:tblist didSelectRowAtIndexPath:[NSIndexPath indexPathForRow:0 inSection:0]]; 
    //[tblist.delegate tableView:tblist didSelectRowAtIndexPath:[NSIndexPath indexPathForRow:1 inSection:0]]; 
} 

#pragma mark - TableView 
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { 
    return 1; 
} 

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { 
    return [arraylist count]; 
} 

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { 
    //static NSString *CellIdentifier = @"CustomCellIdentifier"; 
    NSUInteger IndentLevel = [[[arraylist objectAtIndex:indexPath.row] valueForKey:@"level"] intValue]; 
    UITableViewCell *cell = (UITableViewCell *)[tableView dequeueReusableCellWithIdentifier:@"Cell"]; 
    if (IndentLevel == 0) { 
     CustomCellHeader *cell = (CustomCellHeader *)[tableView dequeueReusableCellWithIdentifier:@"CellIdentifier"]; 
     if (cell == nil) { 
      [[NSBundle mainBundle]loadNibNamed:@"CustomCellHeader" owner:self options:nil]; 
      cell = self.headercell; 
      self.headercell = nil; 
     } 
     cell.lblHeader.text = [[arraylist objectAtIndex:indexPath.row] valueForKey:@"name"]; 
     [cell setIndentationLevel:[[[arraylist objectAtIndex:indexPath.row] valueForKey:@"level"] intValue]]; 
     NSLog(@"indexFor level 0 ::%@ %d",cell.lblHeader.text, indexPath.row); 
     return cell; 
    } else if (IndentLevel == 1) { 
     CustomCellSubHeader *cell = (CustomCellSubHeader *)[tableView dequeueReusableCellWithIdentifier:@"CellIdentifier"]; 
     if (!cell) { 
      [[NSBundle mainBundle]loadNibNamed:@"CustomCellSubHeader" owner:self options:nil]; 
      cell = self.subheadercell; 
      self.subheadercell = nil; 
      NSLog(@"dicbtn %@", dictBtnStatus); 
     } 
     NSString *strName = [[arraylist objectAtIndex:indexPath.row] valueForKey:@"name"]; 
     NSString *str = [dictBtnStatus objectForKey:strName]; 
     NSLog(@"indexFor level 1 ::%@ %d", strName, indexPath.row); 
     if ([str isEqualToString:@"1"]) { 
      [cell.btnarrow setImage:[UIImage imageNamed:@"dwn1_arow.png"] forState:UIControlStateNormal]; 
      [cell.imgSubHeader setImage:[UIImage imageNamed:@"tab_active.png"]]; 
     } 
     // else { 
     // [cell.imgSubHeader setImage:[UIImage imageNamed:@"tab_default.png"]]; 
     //} 
     cell.lblSubHeader.text = strName; 
     [cell setIndentationLevel:[[[arraylist objectAtIndex:indexPath.row] valueForKey:@"level"] intValue]]; 

     if (indexPath.row == arraylist.count - 1) { 
      cell.imgShadow.hidden = NO; 
     } 
     return cell; 
    } else if (IndentLevel == 2) { 
     CustomCell *cell = (CustomCell *)[tableView dequeueReusableCellWithIdentifier:@"CellIdentifier"]; 
     if (cell == nil) { 
      [[NSBundle mainBundle]loadNibNamed:@"CustomCell" owner:self options:nil]; 
      cell = self.cells; 
      self.cells = nil; 
     } 
     cell.txtAddress.text = [[arraylist objectAtIndex:indexPath.row] valueForKey:@"name"]; 
     [cell.btnCall addTarget:self action:@selector(btnCall:) forControlEvents:UIControlEventTouchUpInside]; 
     [cell setIndentationLevel:[[[arraylist objectAtIndex:indexPath.row] valueForKey:@"level"] intValue]]; 
     return cell; 
    } 
    return cell; 
} 

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { 
    CustomCellSubHeader *cell; 
    if ([[tblist cellForRowAtIndexPath:indexPath] isKindOfClass:[CustomCellSubHeader class]]) { 
     cell = (CustomCellSubHeader*)[tblist cellForRowAtIndexPath:indexPath]; 
     UIImage *img = [cell.btnarrow imageForState:UIControlStateNormal]; 
     if ([img isEqual:[UIImage imageNamed:@"dwn1_arow.png"]]) { 
      [cell.btnarrow setImage:[UIImage imageNamed:@"gry_arrow.png"] forState:UIControlStateNormal]; 
      [dictBtnStatus setValue:@"0" forKey:cell.lblSubHeader.text]; 
      [cell.imgSubHeader setImage:[UIImage imageNamed:@"tab_default.png"]]; 
      cell.imgShadow.hidden = NO; 
     } else { 
      [cell.btnarrow setImage:[UIImage imageNamed:@"dwn1_arow.png"] forState:UIControlStateNormal]; 
      dictBtnStatus = [[NSMutableDictionary alloc] init]; 
      [dictBtnStatus setValue:@"1" forKey:cell.lblSubHeader.text]; 
      [cell.imgSubHeader setImage:[UIImage imageNamed:@"tab_active.png"]]; 
      cell.imgShadow.hidden = YES; 
     } 
    } 
    NSMutableArray *arrIndex = [[NSMutableArray alloc] init]; 
    NSUInteger IndentLevel = [[[arraylist objectAtIndex:indexPath.row] valueForKey:@"level"] intValue]; 
    if (IndentLevel == 0) { 
     arrLast = [[NSMutableArray alloc] init]; 
    } 
    [tableView deselectRowAtIndexPath:indexPath animated:YES]; 
    NSDictionary *d = [arraylist objectAtIndex:indexPath.row]; 
    if ([d valueForKey:@"Objects"]) { 
     NSArray *ar = [d valueForKey:@"Objects"]; 
     BOOL isAlreadyInserted = NO; 
     for (NSDictionary *dInner in ar) { 
      NSInteger index = [arraylist indexOfObjectIdenticalTo:dInner]; 
      isAlreadyInserted = (index > 0 && index != NSIntegerMax); 
      if (isAlreadyInserted) break; 
     } 
     if (isAlreadyInserted) { 
      [self miniMizeThisRows:ar]; 
     } else { 
      NSUInteger count = indexPath.row + 1; 
      NSMutableArray *arCells = [NSMutableArray array]; 
      for (NSDictionary *dInner in ar) { 
       [arCells addObject:[NSIndexPath indexPathForRow:count inSection:0]]; 
       [arrLast addObject:dInner]; 
       [arraylist insertObject:dInner atIndex:count++]; 
      } 
      [tableView insertRowsAtIndexPaths:arCells withRowAnimation:UITableViewRowAnimationBottom]; 
     } 
    } 
    //NSUInteger IndentLevel = [[[arraylist objectAtIndex:indexPath.row] valueForKey:@"level"] intValue]; 
    if (IndentLevel == 0) { 
     NSMutableIndexSet *discardedItems = [NSMutableIndexSet indexSet]; 
     for (int i = 0 ; i < arraylist.count; i++) { 
      NSDictionary *dic = [arraylist objectAtIndex:i]; 
      if ([[dic valueForKey:@"level"] intValue] != 0) { 
       NSInteger index = [arrLast indexOfObjectIdenticalTo:dic]; 
       if ((index >= 0 && index != NSIntegerMax)) { 
       } else { 
        [discardedItems addIndex:i]; 
        [arrIndex addObject:[NSIndexPath indexPathForRow:i inSection:0]]; 
       } 
      } 
     } 
     if (discardedItems.count > 0) { 
      [arraylist removeObjectsAtIndexes:discardedItems]; 
      [tblist deleteRowsAtIndexPaths:arrIndex withRowAnimation:UITableViewRowAnimationNone]; 
     } 
    } 
} 

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath { 
    NSUInteger indentLevel = [[[arraylist objectAtIndex:indexPath.row] valueForKey:@"level"] intValue]; 
    if (indentLevel == 0) {    
     return 40; 
    } else if (indentLevel == 1) { 
     return 25; 
    } else if (indentLevel == 2) { 
     CustomCell *cell = ((CustomCell *)[tableView dequeueReusableCellWithIdentifier:@"CellIdentifier"]); 
     CGSize maximumSize = CGSizeMake(300, 9999); 
     UIFont *myFont = [UIFont fontWithName:@"Arial" size:11.5]; 
     CGSize myStringSize = [cell.txtAddress.text sizeWithFont:myFont constrainedToSize:maximumSize lineBreakMode:NSLineBreakByWordWrapping]; 
     [cell.txtAddress setFrame:CGRectMake(cell.txtAddress.frame.origin.x, cell.txtAddress.frame.origin.y, cell.txtAddress.frame.size.width, myStringSize.height)]; 

     if (myStringSize.height > 80) { 
      myStringSize.height = 50; 
      [cell.txtAddress setFrame:CGRectMake(cell.txtAddress.frame.origin.x, cell.txtAddress.frame.origin.y, cell.txtAddress.frame.size.width, myStringSize.height)]; 
      cell.txtAddress.scrollEnabled = YES; 
     } else { 
      cell.txtAddress.scrollEnabled = YES; 
      myStringSize.height = 40; 
     } 
     return myStringSize.height + 50; 
    } else return 25; 
} 

#pragma mark - TableAnimation 
- (void)miniMizeThisRows:(NSArray *)ar { 
    for (NSDictionary *dInner in ar) { 
     NSUInteger indexToRemove = [arraylist indexOfObjectIdenticalTo:dInner]; 
     NSArray *arInner=[dInner valueForKey:@"Objects"]; 
     if (arInner && [arInner count] > 0) { 
      [self miniMizeThisRows:arInner]; 
     } 

     if ([arraylist indexOfObjectIdenticalTo:dInner] != NSNotFound) { 
      [arraylist removeObjectIdenticalTo:dInner]; 
      [tblist deleteRowsAtIndexPaths:[NSArray arrayWithObject:[NSIndexPath indexPathForRow:indexToRemove inSection:0]] withRowAnimation:UITableViewRowAnimationNone]; 
     } 
    } 
} 

#pragma mark - Buttons 
- (IBAction)btnCall:(id)sender { 
    UIAlertView *Notpermitted = [[UIAlertView alloc] initWithTitle:@"Alert" message:@"Do you want to call on this number." delegate:nil cancelButtonTitle:@"NO" otherButtonTitles:@"YES", nil]; 
    Notpermitted.delegate = self; 
    [Notpermitted tag]; 
    [Notpermitted show]; 
} 

- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex { 
    if (buttonIndex == 1) { 
     NSString *strCall = [NSString stringWithFormat:@"tel://999-999-9999"]; 
     NSURL *url = [NSURL URLWithString:strCall]; 
     UIDevice *device = [UIDevice currentDevice]; 
     if ([[device model] isEqualToString:@"iPhone"]) { 
      [[UIApplication sharedApplication] openURL:url]; 
     } else { 
      UIAlertView *Notpermitted = [[UIAlertView alloc] initWithTitle:@"Alert" message:@"Your device doesn't support this feature." delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil]; 
      [Notpermitted show]; 
     } 
    } 
}

来源

2013-06-03 12:34:33

1

看到下面的教程

http://www.cocoanetics.com/2011/03/expandingcollapsing-tableview-sections/

www.alexandre-gomes.com/?p=482

Expand/collapse section in UITableView in iOS

来源

2013-05-08 10:11:08

+0

这里的段数是1，行列被分为 – 2013-05-08 10:24:39

+0

在tableview段中是展开和折叠而不是行，所以让你的表格段你的行号和展开这个段落 – 2013-05-08 10:27:43

+0

该段可以处理多层次的行吗？例如：部分名称是ABC，行0是XYZ，其子行是DEF – 2013-05-08 10:29:49

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