kmpdfkit_demo/PDFViewer/Source/PDFStamp/StampTextViewController.m

//
//  StampTextViewController.m
//  PDFReader
//
//  Copyright © 2014-2022 PDF Technologies, Inc. All Rights Reserved.
//
//  The PDF Reader Sample applications are licensed with a modified BSD license.
//  Please see License for details. This notice may not be removed from this file.
//

#import "StampTextViewController.h"
#import "StampTextCell.h"

@interface StampTextViewController () <UITableViewDataSource,UITableViewDelegate,StampTextCellDelegate> {
    UITableView     *_tableView;
    
    NSArray         *_CustomString;
    NSArray         *_CustomType;
    
    //自定义text stamp的四个属性
    NSString        *_textStampText;
    NSInteger       _textStampStyle;
    BOOL            _textStampHaveDate;
    BOOL            _textStampHaveTime;
}

@property (nonatomic,assign) BOOL isWillAppear;
@property (nonatomic,retain) UIBarButtonItem *rightItem;
@property (nonatomic,retain) StampTextCell *previewCell;
@property (nonatomic,retain) UITextField * textTextFile;

@end


@implementation StampTextViewController

- (void)viewDidLoad
{
    [super viewDidLoad];
    
    //title
    self.title = NSLocalizedString(@"New Text Stamp", nil);
    
    [self.navigationController.navigationBar setTranslucent:NO];
    [self initData];
    [self.view setBackgroundColor:[UIColor whiteColor]];
    
    [self initNavigationItem];
    
    //_setView
    [self initTableView];
    [self.view addSubview:_tableView];
}

- (void)viewWillAppear:(BOOL)animated
{
    [super viewWillAppear:animated];
    
    [self updateCurInterfaceOrientation:[UIApplication sharedApplication].statusBarOrientation];
}

- (void)viewDidAppear:(BOOL)animated
{
    [super viewDidAppear:animated];
    
    [self.textTextFile becomeFirstResponder];
}

- (void)willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration
{
    [self updateCurInterfaceOrientation:toInterfaceOrientation];
}

#pragma mark - Rotation method
- (void)updateCurInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
    if (_tableView) {
        [_tableView layoutIfNeeded];
        NSIndexPath *indexPath = [NSIndexPath indexPathForRow:0 inSection:1];
        StampTextCell *cell = (StampTextCell *)[_tableView cellForRowAtIndexPath:indexPath];
        cell.stampTextField.text = _textStampText;
        indexPath = [NSIndexPath indexPathForRow:1 inSection:1];
        cell = (StampTextCell *)[_tableView cellForRowAtIndexPath:indexPath];
        [cell selectColor:_textStampStyle];
        indexPath = [NSIndexPath indexPathForRow:2 inSection:1];
        cell = (StampTextCell *)[_tableView cellForRowAtIndexPath:indexPath];
        [cell.haveDateSwitch setOn:_textStampHaveDate];
        [self switchValueChanged_Date:cell.haveDateSwitch];
        indexPath = [NSIndexPath indexPathForRow:3 inSection:1];
        cell = (StampTextCell *)[_tableView cellForRowAtIndexPath:indexPath];
        [cell.haveTimeSwitch setOn:_textStampHaveTime];
        [self switchValueChanged_Time:cell.haveTimeSwitch];
        [_tableView reloadData];
        
    }
}

- (void)dealloc {
    Block_release(_callback);
    [_CustomString release];
    if (_tableView) {
        _tableView.dataSource = nil;
        _tableView.delegate = nil;
        [_tableView removeFromSuperview];
        [_tableView release];
    }
    [_CustomType release];
    [_textStampText release];
    [_previewCell release];
    [_textTextFile release];
    [super dealloc];
}

#pragma mark - Init Data
- (void)initData
{
    _textStampText = @"";
    [self initCustomStrings];
    [self initCustomType];
}

- (void)initCustomStrings
{
    if (!_CustomString)
    {
        _CustomString = [[NSArray alloc] initWithObjects:
                         NSLocalizedString(@"Text", nil), NSLocalizedString(@"Color", nil),
                         NSLocalizedString(@"Date", nil), NSLocalizedString(@"Time", nil), nil];
    }
}

- (void)initCustomType
{
    if (!_CustomType)
    {
        _CustomType = [[NSArray alloc] initWithObjects:[NSNumber numberWithInt:0], [NSNumber numberWithInt:1],[NSNumber numberWithInt:2], [NSNumber numberWithInt:3], nil];
    }
}

#pragma mark - UI Init
- (void)initNavigationItem
{
    //rigth
    UIBarButtonItem *tRigthItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemDone
                                                                                target:self
                                                                                action:@selector(buttonItemClicked_Done:)];
    self.rightItem = tRigthItem;
    [tRigthItem release];
}

- (void)initTableView
{
    if (!_tableView)
    {
        _tableView = [[UITableView alloc] initWithFrame:self.view.bounds style:UITableViewStyleGrouped];
        _tableView.autoresizingMask = UIViewAutoresizingFlexibleWidth |UIViewAutoresizingFlexibleHeight;
        _tableView.dataSource = self;
        _tableView.delegate = self;
    }
}

#pragma mark - UITableViewDataSource & UITableViewDelegate

// 设置表格元素中有几个子元素
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    return 2;
}

// 设置表格中元素的个数
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    switch (section)
    {
        case 0:
            return 1;
            break;
        case 1:
            return 4;
        default:
            return 0;
            break;
    }
}

- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section
{
    switch (section)
    {
        case 0:
            return NSLocalizedString(@"Preview", nil);
            break;
        case 1:
            return nil;
        default:
            return nil;
            break;
    }
}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
    switch (indexPath.section)
    {
        case 0:
            
            return 60;
            break;
        case 1:
        {
            if (1 == indexPath.row) {
                return 150;
            } else {
                return 50;
            }
        }
            break;
        default:
            return 50;
            break;
    }
}

// 设置表格每个元素的显示样式
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    static NSString *tCellIdentifier = @"CustomStampContent";
    
    StampTextCell *tCell = [tableView dequeueReusableCellWithIdentifier:tCellIdentifier];
    if (tCell == nil) {
        tCell = [[[StampTextCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:tCellIdentifier] autorelease];
        tCell.delegate = self;
    }
    
    switch (indexPath.section)
    {
        case 0:
        {
            [tCell setCellStyle:CustomTextCellType_Preview label:_textStampText];
            tCell.preView.textStampText = _textStampText;
            [tCell.preView setTextStampStyle:_textStampStyle];
            tCell.preView.textStampHaveDate = _textStampHaveDate;
            tCell.preView.textStampHaveTime = _textStampHaveTime;
            [tCell preViewReDisplay];
            self.previewCell = tCell;
            break;
        }
            
        case 1:
        {
            int tType = [[_CustomType objectAtIndex:indexPath.row] intValue];
            [tCell setCellStyle:(CustomTextCellType)tType label:[_CustomString objectAtIndex:indexPath.row]];
            switch (indexPath.row)
            {
                case 0:
                    tCell.stampTextField.text = _textStampText;
                    self.textTextFile = tCell.stampTextField;
                    break;
                case 1:
                    [tCell selectColor:_textStampStyle];
                    break;
                case 2:
                    [tCell.haveDateSwitch setOn:_textStampHaveDate];
                    [self switchValueChanged_Date:tCell.haveDateSwitch];
                    break;
                case 3:
                    [tCell.haveTimeSwitch setOn:_textStampHaveTime];
                    [self switchValueChanged_Time:tCell.haveTimeSwitch];
                    break;
                default:
                    break;
            }
            
            break;
        }
        default:
            break;
    }
    
    return tCell;
}

#pragma mark - Button Action
- (void)buttonItemClicked_Back:(id)sender
{
    [self.navigationController popViewControllerAnimated:YES];
}

- (void)buttonItemClicked_Done:(id)sender
{
    //保存并退出
    //文本为空暂不保存
    if (![_textStampText isEqualToString:@""] || _textStampHaveDate || _textStampHaveTime)
    {
        NSMutableDictionary *tStampItem = [[NSMutableDictionary alloc] init];
        
        if (_textStampText.length > 0) {
            [tStampItem setObject:_textStampText forKey:@"text"];
            [tStampItem setObject:[NSNumber numberWithInteger:_textStampStyle] forKey:@"style"];
            [tStampItem setObject:[NSNumber numberWithBool:_textStampHaveDate] forKey:@"haveDate"];
            [tStampItem setObject:[NSNumber numberWithBool:_textStampHaveTime] forKey:@"haveTime"];
        } else {
            [tStampItem setObject:self.previewCell.preView.dateTime forKey:@"text"];
            [tStampItem setObject:[NSNumber numberWithInteger:_textStampStyle] forKey:@"style"];
            [tStampItem setObject:[NSNumber numberWithBool:NO] forKey:@"haveDate"];
            [tStampItem setObject:[NSNumber numberWithBool:NO] forKey:@"haveTime"];
        }
        
        if (self.callback) {
            self.callback(tStampItem);
            self.callback = nil;
        }
        [tStampItem release];
    }
    [self.navigationController popToRootViewControllerAnimated:YES];
}

#pragma mark - TStampTextCellDelegate
- (void)switchValueChanged_Date:(id)sender
{
    UISwitch *tSwitch = (UISwitch *)sender;
    _textStampHaveDate = [tSwitch isOn];
    
    self.previewCell.preView.textStampHaveDate = _textStampHaveDate;
    [self.previewCell preViewReDisplay];
    
    if (_textStampHaveDate || _textStampHaveTime) {
        self.navigationItem.rightBarButtonItem = self.rightItem;
    } else {
        self.navigationItem.rightBarButtonItem = [_textStampText isEqualToString:@""]? nil:self.rightItem;
    }
}

- (void)switchValueChanged_Time:(id)sender
{
    UISwitch *tSwitch = (UISwitch *)sender;
    _textStampHaveTime = [tSwitch isOn];
    
    self.previewCell.preView.textStampHaveTime = _textStampHaveTime;
    [self.previewCell preViewReDisplay];
    
    if (_textStampHaveDate || _textStampHaveTime) {
        self.navigationItem.rightBarButtonItem = self.rightItem;
    } else {
        self.navigationItem.rightBarButtonItem = [_textStampText isEqualToString:@""]? nil:self.rightItem;
    }
}

- (void)textFieldWithText_Text:(id)sender
{
    UITextField *textField = (UITextField *)sender;
    if (!_textStampText) {
        [_textStampText release];
        _textStampText = nil;
    }
    _textStampText = [textField.text copy];
    if (_textStampHaveDate || _textStampHaveTime) {
        self.navigationItem.rightBarButtonItem = self.rightItem;
    } else {
        self.navigationItem.rightBarButtonItem = [_textStampText isEqualToString:@""]? nil:self.rightItem;
    }
    
    //刷新preview
    NSIndexPath *indexPath=[NSIndexPath indexPathForRow:0 inSection:0];
    StampTextCell *tCell = (StampTextCell *)[_tableView cellForRowAtIndexPath:indexPath];
    tCell.preView.textStampText = _textStampText;
    [tCell preViewReDisplay];
}

- (void)buttonItemClicked_Color:(id)sender
{
    UIButton *tBtn = (UIButton *)sender;
    _textStampStyle = tBtn.tag;
    
    NSIndexPath *indexPath=[NSIndexPath indexPathForRow:0 inSection:0];
    StampTextCell *tCell = (StampTextCell *)[_tableView cellForRowAtIndexPath:indexPath];
    [tCell.preView setTextStampStyle:_textStampStyle];
    [tCell preViewReDisplay];
}



@end