kmpdfkit_demo/compdfkit-tools/compdfkit-tools/Edit/CPDFEditToolBar/CPDFEditToolBar.m

//
//  CPDFEditToolBar.m
//  compdfkit-tools
//
//  Copyright © 2014-2023 PDF Technologies, Inc. All Rights Reserved.
//
//  THIS SOURCE CODE AND ANY ACCOMPANYING DOCUMENTATION ARE PROTECTED BY INTERNATIONAL COPYRIGHT LAW
//  AND MAY NOT BE RESOLD OR REDISTRIBUTED. USAGE IS BOUND TO THE ComPDFKit LICENSE AGREEMENT.
//  UNAUTHORIZED REPRODUCTION OR DISTRIBUTION IS SUBJECT TO CIVIL AND CRIMINAL PENALTIES.
//

#import "CPDFEditToolBar.h"
#import <ComPDFKit/ComPDFKit.h>


@interface CPDFEditToolBar()

@property(nonatomic,strong) UIButton * undoButton;
@property(nonatomic,strong) UIButton * redoButton;
@property(nonatomic,strong) UIButton * propertyButton;

@property(nonatomic,strong) UIButton * textEditButton;
@property(nonatomic,strong) UIButton * imageEditButton;

@property(nonatomic,strong) UIView * leftView;
@property(nonatomic,strong) UIView * rightView;


@end

@implementation CPDFEditToolBar

- (instancetype)initWithPDFView:(CPDFView *)pdfView {
    if (self = [super init]) {
        _pdfView = pdfView;
    }
    return self;
}


- (void)layoutSubviews {
    [super layoutSubviews];
    
    [self removeViews];
    [self setUp];
}

- (void)removeViews{
    [self.leftView removeFromSuperview];
    [self.rightView removeFromSuperview];
}

- (void)setUp {
    
    self.textEditButton = [UIButton buttonWithType:UIButtonTypeCustom];
    [self.textEditButton sizeToFit];
    [self.textEditButton addTarget:self action:@selector(textEditAction:) forControlEvents:UIControlEventTouchUpInside];
    self.textEditButton.frame = CGRectMake(10, 10, self.textEditButton.frame.size.width  + 20, 40);
    [self.textEditButton setImage:[UIImage imageNamed:@"CPDFEditText" inBundle:[NSBundle bundleForClass:self.class] compatibleWithTraitCollection:nil] forState:UIControlStateNormal];
    [self.textEditButton setImage:[UIImage imageNamed:@"CPDFEditTextH" inBundle:[NSBundle bundleForClass:self.class] compatibleWithTraitCollection:nil] forState:UIControlStateSelected];
    
    self.imageEditButton = [UIButton buttonWithType:UIButtonTypeCustom];
    [self.imageEditButton sizeToFit];
    [self.imageEditButton addTarget:self action:@selector(imageEditAction:) forControlEvents:UIControlEventTouchUpInside];
    self.imageEditButton.frame = CGRectMake(CGRectGetMaxX(self.textEditButton.frame) + 10, 10, self.imageEditButton.frame.size.width  + 20, 40);
    [self.imageEditButton setImage:[UIImage imageNamed:@"CPDFEditImageDefault" inBundle:[NSBundle bundleForClass:self.class] compatibleWithTraitCollection:nil] forState:UIControlStateNormal];
    [self.imageEditButton setImage:[UIImage imageNamed:@"CPDFEditimageHDefault" inBundle:[NSBundle bundleForClass:self.class] compatibleWithTraitCollection:nil] forState:UIControlStateSelected];
    
    self.leftView = [[UIView alloc]initWithFrame:CGRectMake(0, 0,self.bounds.size.width - 160, 60)];
    self.leftView.backgroundColor = [UIColor colorWithRed:240./255. green:240./255. blue:240./255. alpha:1.0];
    [self addSubview:self.leftView];
    [self.leftView addSubview:self.textEditButton];
    [self.leftView addSubview:self.imageEditButton];
    self.leftView.autoresizingMask = UIViewAutoresizingFlexibleWidth;
    
    self.propertyButton = [UIButton buttonWithType:UIButtonTypeCustom];
    [self.propertyButton setBackgroundImage:[UIImage imageNamed:@"CPDFEditUnorderedList" inBundle:[NSBundle bundleForClass:self.class] compatibleWithTraitCollection:nil] forState:UIControlStateNormal];
    self.propertyButton.frame = CGRectMake(20, 20, 20, 20);
    [self.propertyButton addTarget:self action:@selector(propertyAction:) forControlEvents:UIControlEventTouchUpInside];
    
    self.undoButton = [UIButton buttonWithType:UIButtonTypeCustom];
    self.undoButton.frame = CGRectMake(CGRectGetMaxX(self.propertyButton.frame) + 25, 20, 20, 20);
    [self.undoButton addTarget:self action:@selector(undoAction:) forControlEvents:UIControlEventTouchUpInside];
    [self.undoButton setBackgroundImage:[UIImage imageNamed:@"CPDFEditUndo" inBundle:[NSBundle bundleForClass:self.class] compatibleWithTraitCollection:nil] forState:UIControlStateNormal];
    
    [self.undoButton setBackgroundImage:[UIImage imageNamed:@"CPDFEditUndoDisable" inBundle:[NSBundle bundleForClass:self.class] compatibleWithTraitCollection:nil] forState:UIControlStateDisabled];
    
    self.redoButton = [UIButton buttonWithType:UIButtonTypeCustom];
    self.redoButton.frame = CGRectMake(CGRectGetMaxX(self.undoButton.frame) + 25, 20,20, 20);
    [self.redoButton addTarget:self action:@selector(redoAction:) forControlEvents:UIControlEventTouchUpInside];
    [self.redoButton setBackgroundImage:[UIImage imageNamed:@"CPDFEditRedo" inBundle:[NSBundle bundleForClass:self.class] compatibleWithTraitCollection:nil] forState:UIControlStateNormal];
    [self.redoButton setBackgroundImage:[UIImage imageNamed:@"CPDFEditRedoDisable" inBundle:[NSBundle bundleForClass:self.class] compatibleWithTraitCollection:nil] forState:UIControlStateDisabled];
    
    self.rightView = [[UIView alloc]initWithFrame:CGRectMake(CGRectGetMaxX(self.leftView.frame), 0, 160, 60)];
    self.rightView.backgroundColor = [UIColor whiteColor];
    [self addSubview:self.self.rightView];
    
    [self.rightView addSubview:self.redoButton];
    [self.rightView addSubview:self.undoButton];
    [self.rightView addSubview:self.propertyButton];
    
}


#pragma mark - Action

- (void)textEditAction:(UIButton*)sender {
    sender.selected = !sender.selected;
    if(sender.selected == YES){
        [self.imageEditButton setSelected:NO];
    }
    
    
    if(sender.selected == NO && self.imageEditButton.selected == NO){
        if(self.delegate && [self.delegate respondsToSelector:@selector(editClickInToolBar:editMode:)]){
            [self.delegate editClickInToolBar:self editMode:CPDFEditModeAll];
        }
    }else{
        if(self.delegate && [self.delegate respondsToSelector:@selector(editClickInToolBar:editMode:)]){
            [self.delegate editClickInToolBar:self editMode:CPDFEditModeText];
        }
    }
}

- (void)imageEditAction:(UIButton*)sender {
    sender.selected = !sender.selected;
    
    
    if(sender.selected == YES){
        [self.textEditButton setSelected:NO];
    }
    if(sender.selected == NO && self.textEditButton.selected == NO){
        if(self.delegate && [self.delegate respondsToSelector:@selector(editClickInToolBar:editMode:)]){
            [self.delegate editClickInToolBar:self editMode:CPDFEditModeAll];
        }
    }else{
        if(self.delegate && [self.delegate respondsToSelector:@selector(editClickInToolBar:editMode:)]){
            [self.delegate editClickInToolBar:self editMode:CPDFEditModeImage];
        }
    }
}

- (void)redoAction:(UIButton*)sender {
    if(self.delegate && [self.delegate respondsToSelector:@selector(redoDidClickInToolBar:)]){
        [self.delegate redoDidClickInToolBar:self];
    }
}

- (void)undoAction:(UIButton*)sender {
    if(self.delegate && [self.delegate respondsToSelector:@selector(undoDidClickInToolBar:)]){
        [self.delegate undoDidClickInToolBar:self];
    }
}

- (void)propertyAction:(UIButton*)sender {
    if(self.delegate && [self.delegate respondsToSelector:@selector(propertyEditDidClickInToolBar:)]){
        [self.delegate propertyEditDidClickInToolBar:self];
    }
}


- (void)updateButtonState {
    if (self.pdfView.editingArea.IsTextArea && (self.pdfView.editStatus == CEditingSelectStateEditSelectText ||
        self.pdfView.editStatus == CEditingSelectStateEditTextArea)) {
        //Text
        [self.textEditButton setSelected:YES];
        [self.imageEditButton setSelected:NO];
    } else {
        [self.textEditButton setSelected:NO];
        [self.imageEditButton setSelected:YES];
    }
    
    if(self.pdfView.editStatus == CEditingSelectStateEmpty){
        self.propertyButton.enabled = NO;
        [self.textEditButton setSelected:NO];
        [self.imageEditButton setSelected:NO];
    }else{
        self.propertyButton.enabled = YES;
    }
    
    if ([self.pdfView canEditTextRedo])
        self.redoButton.enabled  = YES;
     else
        self.redoButton.enabled  = NO;
    
    if ([self.pdfView canEditTextUndo])
        self.undoButton.enabled  = YES;
     else
        self.undoButton.enabled  = NO;
}

@end