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@@ -13,6 +13,8 @@
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@interface CPDFTextViewController ()
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+@property (nonatomic,assign) CGRect watermarkFrame;
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+
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@end
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@implementation CPDFTextViewController
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@@ -24,20 +26,79 @@
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_textPreview = [[CPDFTextPreview alloc] init];
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_textView = [[CPDFTextView alloc] init];
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_dataModel = [[CPDFDataModel alloc] init];
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+ _alertController = [UIAlertController alertControllerWithTitle:@"Watermark Content" message:nil preferredStyle:UIAlertControllerStyleAlert];
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[self.view addSubview:_textPreview];
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[self.view addSubview:_textView];
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+ [self.view setBackgroundColor:UIColor.systemGray5Color];
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- UIEdgeInsets previewPadding = UIEdgeInsetsMake(0, 0, self.view.bounds.size.height / 3, 0);
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- [_textPreview mas_makeConstraints:^(MASConstraintMaker *make) {
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- make.edges.equalTo(self.view).with.insets(previewPadding);
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- }];
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-
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- UIEdgeInsets textViewPadding = UIEdgeInsetsMake(430, 0, 0, 0);
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- [_textView mas_makeConstraints:^(MASConstraintMaker *make) {
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- make.edges.equalTo(self.view).with.insets(textViewPadding);
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- }];
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+ [self addConstraint];
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+ [self initDataModel];
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[self addTargets];
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+ [self createGestureRecognizer];
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+}
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+
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+
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+- (void)viewWillTransitionToSize:(CGSize)size withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator {
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+ [super viewWillTransitionToSize:size withTransitionCoordinator:coordinator];
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+
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+ if ([UIDevice currentDevice].orientation == UIDeviceOrientationLandscapeRight) {
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+
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+ [_textView mas_remakeConstraints:^(MASConstraintMaker *make) {
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+ make.right.equalTo(self.view.mas_right).offset(-30);
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+ make.left.equalTo(_textPreview.mas_right).offset(0);
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+ make.height.equalTo(@205);
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+ make.width.equalTo(@(self.view.bounds.size.width));
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+ make.bottom.equalTo(self.view.mas_bottom).offset(-55);
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+ }];
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+ [_textPreview mas_remakeConstraints:^(MASConstraintMaker *make) {
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+ make.top.equalTo(self.view.mas_top).offset(10);
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+ make.right.equalTo(_textView.mas_left).offset(-5);
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+ make.left.equalTo(self.view.mas_left).offset(0);
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+ make.bottom.equalTo(self.view.mas_bottom).offset(0);
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+ }];
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+
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+ } else if ([UIDevice currentDevice].orientation == UIDeviceOrientationPortrait) {
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+ [_textPreview mas_remakeConstraints:^(MASConstraintMaker *make) {
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+ make.top.equalTo(self.view.mas_top).offset(0);
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+ make.width.equalTo(self.view.mas_width);
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+ make.bottom.equalTo(self.view.mas_bottom).offset(-205);
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+ }];
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+
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+ [_textView mas_remakeConstraints:^(MASConstraintMaker *make) {
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+ make.top.equalTo(_textPreview.mas_bottom).offset(0);
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+ make.width.equalTo(_textPreview.mas_width);
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+ make.bottom.equalTo(self.view.mas_bottom).offset(0);
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+ }];
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+ }
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+}
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+
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+- (void)initDataModel {
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+ _dataModel.textColor = UIColor.blackColor;
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+ _dataModel.watermarkOpacity = 1;
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+ _dataModel.text = @"Watermark";
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+ _dataModel.watermarkScale = 1;
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+ _dataModel.isTile = NO;
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+ _dataModel.watermarkRotation = 0;
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+ _textPreview.watermarkLabel.text = _dataModel.text;
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+ _textView.horizontalField.text = 0;
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+ _textView.verticalField.text = 0;
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+ _textView.horizontalField.enabled = NO;
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+ _textView.verticalField.enabled = NO;
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+}
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+
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+- (void)addConstraint {
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+ [_textPreview mas_makeConstraints:^(MASConstraintMaker *make) {
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+ make.top.equalTo(self.view.mas_top).offset(0);
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+ make.width.equalTo(self.view.mas_width);
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+ make.bottom.equalTo(self.view.mas_bottom).offset(-205);
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+ }];
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+
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+ [_textView mas_makeConstraints:^(MASConstraintMaker *make) {
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+ make.top.equalTo(_textPreview.mas_bottom).offset(0);
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+ make.width.equalTo(_textPreview.mas_width);
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+ make.bottom.equalTo(self.view.mas_bottom).offset(0);
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+ }];
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}
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- (void)addTargets {
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@@ -46,9 +107,40 @@
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[_textView.colorArray[i] addTarget:self action:@selector(onColorBtnClicked:) forControlEvents:UIControlEventTouchDown];
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}
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+ __block CPDFTextViewController *strongBlock = self;
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+ [_alertController addTextFieldWithConfigurationHandler:^(UITextField * _Nonnull textField) {
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+
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+ }];
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+ [_alertController addAction:[UIAlertAction actionWithTitle:@"Done" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
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+
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+ strongBlock.dataModel.text = strongBlock.alertController.textFields.firstObject.text;
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+ strongBlock.textPreview.watermarkLabel.text = strongBlock.alertController.textFields.firstObject.text;
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+ [strongBlock watermarkAdaption];
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+
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+ }]];
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+ [_alertController addAction:[UIAlertAction actionWithTitle:@"Cancel" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
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+ strongBlock.alertController.view.hidden = YES;
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+ }]];
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+
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[_textView.opacitySlider addTarget:self action:@selector(onOpacityChanged:) forControlEvents:UIControlEventValueChanged];
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[_textView.textScaleSlider addTarget:self action:@selector(onTextScaleChanged:) forControlEvents:UIControlEventValueChanged];
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[_textView.tileSwitch addTarget:self action:@selector(onTileSwitchChanged:) forControlEvents:UIControlEventValueChanged];
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+ [_textView.pageBtn addTarget:self action:@selector(onSelectPageRange:) forControlEvents:UIControlEventTouchDown];
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+}
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+
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+- (void)createGestureRecognizer {
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+ [_textPreview.documentView setUserInteractionEnabled:YES];
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+ [_textPreview.watermarkLabel setUserInteractionEnabled:YES];
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+ [_textPreview.rotationBtn setUserInteractionEnabled:YES];
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+
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+ UITapGestureRecognizer *tapGestureRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapWatermarkLabel:)];
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+ [_textPreview.watermarkLabel addGestureRecognizer:tapGestureRecognizer];
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+
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+ UIPanGestureRecognizer *panRecognizer = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(panWatermarkLabel:)];
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+ [_textPreview.watermarkLabel addGestureRecognizer:panRecognizer];
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+
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+ UIPanGestureRecognizer *panRotationBtnRecognizer = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(rotationWatermarkLabel:)];
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+ [_textPreview.rotationBtn addGestureRecognizer:panRotationBtnRecognizer];
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}
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- (void)onColorBtnClicked:(UIButton *)sender {
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@@ -62,24 +154,103 @@
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}
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- (void)onTextScaleChanged:(UISlider *)sender {
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- sender.minimumValue = 24;
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- sender.maximumValue = 70;
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- _textPreview.watermarkLabel.font = [_textPreview.watermarkLabel.font fontWithSize:sender.value];
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- [_textPreview.watermarkLabel sizeToFit];
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- CGRect frame = _textPreview.watermarkLabel.frame;
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- frame.origin = CGPointMake(_textPreview.bounds.size.width / 2 - _textPreview.watermarkLabel.frame.size.width / 2, _textPreview.bounds.size.height / 2 - _textPreview.watermarkLabel.frame.size.height / 2);
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- _textPreview.watermarkLabel.frame = frame;
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-
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- _textPreview.rotationBtn.frame = CGRectMake(_textPreview.bounds.size.width / 2 + _textPreview.watermarkLabel.frame.size.width / 2 - 10, _textPreview.bounds.size.height / 2 + _textPreview.watermarkLabel.frame.size.height / 2 - 10, 20, 20);
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- [_dataModel setWatermarkScale:sender.value / 24];
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+ if (!_dataModel.isTile) {
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+ sender.minimumValue = 24;
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+ sender.maximumValue = 48;
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+ _textPreview.watermarkLabel.font = [_textPreview.watermarkLabel.font fontWithSize:sender.value];
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+ [self watermarkAdaption];
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+ [_dataModel setWatermarkScale:sender.value / 24];
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+ }
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}
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- (void)onTileSwitchChanged:(UISwitch *) sender {
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if ([sender isOn]) {
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_dataModel.isTile = YES;
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+ _textView.horizontalField.enabled = YES;
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+ _textView.verticalField.enabled = YES;
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+ _textView.textScaleSlider.enabled = NO;
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} else {
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_dataModel.isTile = NO;
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+ _textView.horizontalField.enabled = NO;
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+ _textView.verticalField.enabled = NO;
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+ _textView.textScaleSlider.enabled = YES;
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+ }
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+}
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+
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+- (void)onSelectPageRange:(UIButton *)sender {
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+ UIAlertController *alertController = [UIAlertController alertControllerWithTitle:nil message:nil preferredStyle:UIAlertControllerStyleActionSheet];
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+ UIAlertAction *defaultRange = [UIAlertAction actionWithTitle:@"All Pages" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
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+ self.textView.rangeLabel.text = @"Page Range: ALL";
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+ }];
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+ UIAlertAction *customRange = [UIAlertAction actionWithTitle:@"Custom Page Range" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
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+ [self createCustomRangeAlert];
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+ }];
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+ UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"Cancel" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
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+
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+ }];
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+ [alertController addAction:defaultRange];
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+ [alertController addAction:customRange];
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+ [alertController addAction:cancelAction];
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+ [self presentViewController:alertController animated:YES completion:nil];
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+}
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+
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+- (void)createCustomRangeAlert {
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+ UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"Custom Page Range" message:nil preferredStyle:UIAlertControllerStyleAlert];
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+
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+ [alertController addTextFieldWithConfigurationHandler:^(UITextField * _Nonnull textField) {
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+ textField.placeholder = @"such as:1,3-5,10";
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+ }];
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+ [alertController addAction:[UIAlertAction actionWithTitle:@"Done" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
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+
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+ self.dataModel.pageString = alertController.textFields.firstObject.text;
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+ self.textView.rangeLabel.text = @"Page Range:Custom";
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+ }]];
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+ [alertController addAction:[UIAlertAction actionWithTitle:@"Cancel" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
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+ }]];
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+ [self presentViewController:alertController animated:YES completion:nil];
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+}
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+
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+- (void)watermarkAdaption {
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+ [_textPreview.watermarkLabel sizeToFit];
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+
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+ [_textPreview.rotationBtn mas_remakeConstraints:^(MASConstraintMaker *make) {
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+ make.top.equalTo(_textPreview.watermarkLabel.mas_bottom).offset(-10);
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+ make.width.equalTo(@20);
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+ make.height.equalTo(@20);
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+ make.left.equalTo(_textPreview.watermarkLabel.mas_right).offset(-10);
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+ }];
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+}
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+
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+- (void)tapWatermarkLabel:(UITapGestureRecognizer *)recognizer {
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+ _alertController.view.hidden = NO;
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+ _alertController.textFields.firstObject.text = _textPreview.watermarkLabel.text;
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+ [self presentViewController:_alertController animated:true completion:nil];
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+}
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+
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+- (void)panWatermarkLabel:(UIPanGestureRecognizer *)recognizer {
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+ CGPoint point = [recognizer translationInView:_textPreview.documentView];
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+ CGRect documentFrame = _textPreview.documentView.frame;
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+ documentFrame.origin.x -= _textPreview.documentView.frame.origin.x;
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+ documentFrame.origin.y -= _textPreview.documentView.frame.origin.y;
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+ [_textPreview.watermarkLabel setCenter:CGPointMake(_textPreview.watermarkLabel.center.x + point.x, _textPreview.watermarkLabel.center.y + point.y)];
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+ [_textPreview.rotationBtn setCenter:CGPointMake(_textPreview.rotationBtn.center.x + point.x, _textPreview.rotationBtn.center.y + point.y)];
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+ if (!CGRectContainsRect(documentFrame,_textPreview.watermarkLabel.frame)) {
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+ [_textPreview.watermarkLabel setCenter:CGPointMake(_textPreview.watermarkLabel.center.x - point.x, _textPreview.watermarkLabel.center.y - point.y)];
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+ [_textPreview.rotationBtn setCenter:CGPointMake(_textPreview.rotationBtn.center.x - point.x, _textPreview.rotationBtn.center.y - point.y)];
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}
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+
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+ _dataModel.tx = _textPreview.watermarkLabel.frame.origin.x - (_textPreview.documentView.center.x - _textPreview.documentView.frame.origin.x);
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+ _dataModel.ty = _textPreview.documentView.center.y - _textPreview.documentView.frame.origin.y - _textPreview.watermarkLabel.frame.origin.y;
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+ [recognizer setTranslation:CGPointZero inView:_textPreview.documentView];
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+}
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+
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+- (void)rotationWatermarkLabel:(UIPanGestureRecognizer *)recognizer {
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+
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+ CGPoint point = [recognizer translationInView:_textPreview];
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+ CGFloat radian = atan2(point.x + _textPreview.center.x - _textPreview.watermarkLabel.center.x,point.y + _textPreview.center.y - _textPreview.watermarkLabel.center.y);
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+ _textPreview.watermarkLabel.transform = CGAffineTransformMakeRotation(-radian);
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+
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+ _dataModel.watermarkRotation = (-radian) * 180 / M_PI;
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}
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@end
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