PDF_Office/PDF Office/PDF Master/Class/PDFTools/Print/PrintHelper/Poster/KMPDFPosterPrintWindowController.m

//
//  KMPDFPosterPrintWindowController.m
//  PDF Reader Pro Edition
//
//  Created by 丁林圭 on 2018/4/3.
//

#import "PDF_Reader_Pro-Swift.h"
#import "KMPDFPosterPrintWindowController.h"
#import "KMPosterPrintManager.h"
//#import "TextFieldFormatter.h"
//#import "KMFileAttribute.h"
//#import "KMBookletMaskView.h"
//#import "PasswordWindowController.h"
//#import "KMSavePanelAccessoryController.h"
//#import "NSWindowController_SKExtensions.h"
//#import "KMPageSizeTool.h"

#define maxPrintWidth 300

#define kPosterPrintFolderPath [[[NSSearchPathForDirectoriesInDomains(NSApplicationSupportDirectory, NSUserDomainMask, YES) lastObject] stringByAppendingPathComponent:[NSBundle mainBundle].bundleIdentifier] stringByAppendingPathComponent:@"PosterPrint"]

#define kPosterPrintFileSavePath [[[NSSearchPathForDirectoriesInDomains(NSApplicationSupportDirectory, NSUserDomainMask, YES) lastObject] stringByAppendingPathComponent:[NSBundle mainBundle].bundleIdentifier] stringByAppendingPathComponent:@"PosterPrint.pdf"]

#pragma mark KMPDFPosterPrintContentView

@interface KMPDFPosterPrintContentView : NSView

@property (nonatomic,retain) NSArray *horizontals;

@property (nonatomic,retain) NSArray *verticals;

@property (nonatomic,assign) CGFloat overlap;

@property (nonatomic,assign) CGFloat spaceWidth;

@property (nonatomic,assign) CGFloat spaceHeight;

@property (nonatomic,assign) CGFloat scanle;

@end

@implementation KMPDFPosterPrintContentView

-(void)dealloc
{

}

-(void)drawRect:(NSRect)dirtyRect
{
    [super drawRect:dirtyRect];
    
    CGContextRef context = [[NSGraphicsContext currentContext] graphicsPort];// 获取画布
    
    CGFloat width = self.bounds.size.width;
    CGFloat height = self.bounds.size.height;
    
    if (_horizontals.count> 0 || _verticals.count > 0) {
        NSArray *hourArray = _horizontals;
        NSArray *vertArray = _verticals;
        
        [NSGraphicsContext saveGraphicsState];
        if (context) {
            [NSGraphicsContext setCurrentContext:[NSGraphicsContext graphicsContextWithGraphicsPort:context flipped:NO]];
        }
        
        CGContextSetStrokeColorWithColor(context, [NSColor colorWithRed:51.0/255.0  green:186.0/255.0 blue:234.0/255.0 alpha:1.0].CGColor);
        CGContextSetLineWidth(context, 1.0);
        
        for (NSUInteger i =0; i< vertArray.count -1; i ++) {
            CGContextMoveToPoint(context, 0,height - ([vertArray[i] floatValue] /_scanle + _spaceHeight));
            CGContextAddLineToPoint(context,width, height - ([vertArray[i] floatValue] /_scanle +_spaceHeight));
        }
        
        for (NSUInteger j =0; j< hourArray.count - 1; j ++) {
            CGContextMoveToPoint(context, [hourArray[j] floatValue]/_scanle + _spaceWidth, 0);
            CGContextAddLineToPoint(context,[hourArray[j] floatValue]/_scanle + _spaceWidth, height);
        }
        
        CGFloat arr[] = {8,1};
        CGContextSetLineDash(context, 0, arr, 1);
        CGContextDrawPath(context, kCGPathStroke);
        
        [NSGraphicsContext restoreGraphicsState];
    }
}

@end

#pragma mark -KMPDFPosterPrintWindowController

@interface KMPDFPosterPrintWindowController ()<NSComboBoxDelegate>

@property (nonatomic,retain) PDFDocument *PDFDocument;
@property (nonatomic,retain) NSString *password;

@property (nonatomic,retain) KMPDFPosterPrint *PDFPrint;

@property (nonatomic,assign) IBOutlet NSTextField *currentPageLabel;
@property (nonatomic,assign) IBOutlet NSTextField *totalPageLabel;
@property (assign) IBOutlet NSTextField *scaleTextField;
@property (assign) IBOutlet NSButton *cutMarksButton;
@property (assign) IBOutlet NSButton *labelButton;
@property (assign) IBOutlet NSButton *portraitButton;
@property (assign) IBOutlet NSButton *landscapeButton;
@property (nonatomic,assign) IBOutlet NSTextField *pageRangeLabel;
@property (nonatomic,assign) IBOutlet NSComboBox *pageRangeComboBox;
@property (nonatomic,assign) IBOutlet NSTextField *splitSizeLabel;
@property (nonatomic,assign) IBOutlet NSComboBox *splitSizeComboBox;
@property (nonatomic,assign) IBOutlet NSTextField *overlapLabel;
@property (nonatomic,assign) IBOutlet NSTextField *overlapUnit;
@property (assign) IBOutlet NSTextField *overlapTextField;

@property (assign) IBOutlet NSTextField *sizeLabel;
@property (assign) IBOutlet NSTextField *zoomLabel;
@property (nonatomic,assign) IBOutlet NSComboBox *unitComboBox;

@property (nonatomic,assign) IBOutlet NSImageView *thumImageView;
@property (assign) IBOutlet NSLayoutConstraint *PDFHeight;
@property (assign) IBOutlet NSLayoutConstraint *PDFWidth;

@property (nonatomic,assign) IBOutlet NSView *PDFContentView;
@property (assign) IBOutlet NSLayoutConstraint *contentHeight;
@property (assign) IBOutlet NSLayoutConstraint *contentWidth;

@property (assign) IBOutlet NSButton *cancelButton;
@property (assign) IBOutlet NSButton *saveButton;
@property (assign) IBOutlet NSButton *printButton;

@property (assign,nonatomic) IBOutlet NSTextField *orientationLabel;
@property (assign,nonatomic) IBOutlet NSTextField *unitLabel;
@property (assign,nonatomic) IBOutlet NSTextField *titleScanlLabel;
@property (assign,nonatomic) IBOutlet NSTextField *labelTextField;

@property (assign,nonatomic) IBOutlet NSButton *reverseButton;
@property (nonatomic,assign) IBOutlet NSTextField *commentsFormsLabel;
@property (nonatomic,assign) IBOutlet NSComboBox *commentsFormsComboBox;

@property (nonatomic,assign) IBOutlet NSTextField *pagesPerLabel;
@property (nonatomic,assign) IBOutlet NSComboBox *selectPerComboBox;
@property (assign,nonatomic) IBOutlet NSTextField *lineCountText;
@property (assign,nonatomic) IBOutlet NSTextField *columnCountText;
@property (assign,nonatomic) IBOutlet NSTextField *filePageSizeLabel;
@property (assign,nonatomic) IBOutlet NSComboBox *filePageSizeBox;

@property (assign) IBOutlet NSTextField *pageWidthTextField;
@property (assign) IBOutlet NSTextField *pageHeightTextField;
@property (assign) IBOutlet NSTextField *unitTLabel;

@property (assign) IBOutlet NSTextField *paperWidthTextField;
@property (assign) IBOutlet NSTextField *paperHeightTextField;
@property (assign) IBOutlet NSTextField *unitT1Label;

@property (assign) IBOutlet NSTabView *tableView;

@property (nonatomic,retain) KMPDFPosterPrintContentView *preview;

@property (nonatomic, retain) KMBookletMaskView *posterMaskView;

@property (nonatomic,assign) NSUInteger currentPageIndex;

@property (nonatomic,retain) NSArray * pages;;

@end

@implementation KMPDFPosterPrintWindowController

- (void)dealloc
{
    NSFileManager *manager = [NSFileManager defaultManager];
    if ([manager fileExistsAtPath:kPosterPrintFileSavePath]) {
        [manager removeItemAtPath:kPosterPrintFileSavePath error:nil];
    }
}

- (id)initWithPDFDocument:(PDFDocument *)pdfDocument
{
    if (self = [super initWithWindowNibName:@"KMPDFPosterPrintWindowController"]) {
        [self showWaitting];
        
        NSDate *date = [NSDate date];
        NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
        [formatter setDateFormat:@"YYYY-MM-dd hh:mm:ss"];
        NSString *contextString = [NSString stringWithFormat:@"(column,row) %@ %@",[pdfDocument.documentURL.path lastPathComponent],[formatter stringFromDate:date]];
        
        [self.labelTextField.cell setPlaceholderString:contextString];

        dispatch_async(dispatch_get_global_queue(0, 0), ^{
            [pdfDocument writeToURL:[NSURL fileURLWithPath:kPosterPrintFileSavePath]];
            self.PDFDocument = [[PDFDocument alloc] initWithURL:[NSURL fileURLWithPath:kPosterPrintFileSavePath]];
            dispatch_async(dispatch_get_main_queue(), ^{
                [self hideWaitting];
                if (self.PDFDocument) {
                    [self getDrawPages];
                    
                    [self reloadPDFData];
                    [self reloadPDFView];
                }else{
                    [self close];
                }
            });
        });

    }
    return self;
}

- (id)initWithPDFFilePath:(NSString *)filePath password:(nullable NSString *)password{
    if (self = [super initWithWindowNibName:@"KMPDFPosterPrintWindowController"]) {
        PDFDocument * pdf = [[PDFDocument alloc] initWithURL:[NSURL fileURLWithPath:filePath]];
        self.PDFDocument = pdf;
        self.password = password;
    }
    return self;
}

- (BOOL)windowShouldClose:(id)sender
{
    [self close];
    return YES;
}

- (void)close {
    if (self.window.isSheet) {
        [self.window.sheetParent endSheet:self.window];
//        [self dismissSheet:nil];
    } else {
        [super close];
    }
}

- (void)windowDidLoad
{
    [super windowDidLoad];
            
    [self localizedString];
    
    _PDFContentView.wantsLayer = YES;
    _PDFContentView.layer.borderWidth = 2.0;
    _PDFContentView.layer.borderColor = [NSColor blackColor].CGColor;
    _PDFContentView.layer.backgroundColor = [NSColor whiteColor].CGColor;
    self.currentPageIndex = 0;
    
    self.scaleTextField.stringValue = @"100";
    [self.scaleTextField setFormatter:[[TextFieldFormatter alloc] init]];
    
    self.columnCountText.stringValue = [NSString stringWithFormat:@"%ld",self.PDFPrint.columnCount]?:@"";
    self.lineCountText.stringValue = [NSString stringWithFormat:@"%ld",self.PDFPrint.lineCount]?:@"";
    
    self.overlapTextField.stringValue = @"0";
    [self.overlapTextField setFormatter:[[TextFieldFormatter alloc] init]];
    [self.labelTextField setEditable:NO];
    
    if (!self.PDFDocument) {
        return;
    }
    
    if (![self.PDFDocument isLocked] && [self.PDFDocument unlockWithPassword:self.password]) {
        [self getDrawPages];
        [self reloadPDFData];
        [self reloadPDFView];
        
        NSDate *date = [NSDate date];
        NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
        [formatter setDateFormat:@"YYYY-MM-dd hh:mm:ss"];
        NSString *contextString = [NSString stringWithFormat:@"(column,row) %@ %@",[self.PDFDocument.documentURL.path lastPathComponent],[formatter stringFromDate:date]];
        
        [self.labelTextField.cell setPlaceholderString:contextString];
    } else {
//        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.3 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
//            PasswordWindowController *com = [[PasswordWindowController alloc] initWithWindowNibName:@"PasswordWindowController"];
//            com.fileURL = self.PDFDocument.documentURL;
//            [com beginSheetModalForWindow:self.window completionHandler:^(NSString *password) {
//                if (password) {
//                    [self.PDFDocument unlockWithPassword:password];
//                    self.password = password;
//                    [self getDrawPages];
//                    [self reloadPDFData];
//                    [self reloadPDFView];
//                    
//                    NSDate *date = [NSDate date];
//                    NSDateFormatter *formatter = [[[NSDateFormatter alloc] init] autorelease];
//                    [formatter setDateFormat:@"YYYY-MM-dd hh:mm:ss"];
//                    NSString *contextString = [NSString stringWithFormat:@"(column,row) %@ %@",[self.PDFDocument.documentURL.path lastPathComponent],[formatter stringFromDate:date]];
//                    
//                    [self.labelTextField.cell setPlaceholderString:contextString];
//                    
//                } else {
//                    [self close];
//                    
//                }
//            }];
//            [com release];
//        });
    }
}

- (void)localizedString
{
    self.window.title = NSLocalizedString(@"Poster", nil);
    
    self.pageRangeLabel.stringValue = NSLocalizedString(@"Page Range", nil);
    self.orientationLabel.stringValue = NSLocalizedString(@"Orientation:", nil);
    self.unitLabel.stringValue = NSLocalizedString(@"Unit:", nil);
    self.unitTLabel.stringValue = self.unitT1Label.stringValue = self.overlapUnit.stringValue = NSLocalizedString(@"mm", nil);
    self.titleScanlLabel.stringValue = NSLocalizedString(@"Tile Scale:", nil);
    self.overlapLabel.stringValue = NSLocalizedString(@"Overlap:",nil);
    self.commentsFormsLabel.stringValue = NSLocalizedString(@"Comments & Forms:",nil);

    [self.pageRangeComboBox addItemsWithObjectValues:@[NSLocalizedString(@"All Pages", nil),
                                                       NSLocalizedString(@"Odd Pages Only", nil),
                                                       NSLocalizedString(@"Even Pages Only",nil),
                                                       NSLocalizedString(@"e.g. 1,3-5,10",nil)]];
    [self.pageRangeComboBox.cell setPlaceholderString:NSLocalizedString(@"e.g. 1,3-5,10", nil)];
    
    [self.commentsFormsComboBox addItemsWithObjectValues:@[NSLocalizedString(@"Document", nil),
                                                           NSLocalizedString(@"Document and Markups", nil),
                                                           NSLocalizedString(@"Document and Stamps",nil)
                                                           ]];
    
    [self.commentsFormsComboBox selectItemAtIndex:1];
    [self.commentsFormsComboBox setEditable:NO];
    
    self.splitSizeLabel.stringValue = NSLocalizedString(@"Page size:", nil);
    [self.cancelButton setTitle:NSLocalizedString(@"Cancel", nil)];
    [self.saveButton setTitle:NSLocalizedString(@"Save as PDF", nil)];
    [self.printButton setTitle:NSLocalizedString(@"Print", nil)];
    [self.portraitButton setTitle:NSLocalizedString(@"Portrait",nil)];
    [self.landscapeButton setTitle:NSLocalizedString(@"Landscape",nil)];
    [self.cutMarksButton setTitle:NSLocalizedString(@"Cut Marks",nil)];
    [self.labelButton setTitle:NSLocalizedString(@"Label",nil)];
    [self.reverseButton setTitle:NSLocalizedString(@"Reverse pages",nil)];
    self.pagesPerLabel.stringValue = NSLocalizedString(@"Pages per sheet:", nil);
    self.filePageSizeLabel.stringValue = NSLocalizedString(@"Destination paper Size:", nil);
    
    [[self.tableView tabViewItemAtIndex:0] setLabel:NSLocalizedString(@"Tile", nil)];
    [[self.tableView tabViewItemAtIndex:1] setLabel:NSLocalizedString(@"Split", nil)];

    [self.pageRangeComboBox selectItemAtIndex:0];
    [self.pageRangeComboBox setEditable:NO];
    
    [self.unitComboBox selectItemAtIndex:1];
    
    NSArray *paperArray = [KMPageSizeTool paperSize];
    NSMutableArray *tPaperArray = [NSMutableArray arrayWithArray:paperArray];
    [tPaperArray addObject:NSLocalizedString(@"Custom",nil)];

    [self.splitSizeComboBox addItemsWithObjectValues:tPaperArray];
    [self.splitSizeComboBox selectItemAtIndex:1];
    [self.splitSizeComboBox setEditable:NO];
    self.pageWidthTextField.enabled = NO;
    self.pageHeightTextField.enabled = NO;

    NSMutableArray *tFileArray = [NSMutableArray arrayWithArray:paperArray];

    [tFileArray insertObject:NSLocalizedString(@"Actual Size", nil) atIndex:0];
    [tFileArray addObject:NSLocalizedString(@"Custom", nil)];

    [self.filePageSizeBox addItemsWithObjectValues:tFileArray];
    [self.filePageSizeBox selectItemAtIndex:0];
    [self.filePageSizeBox setEditable:NO];
    self.paperWidthTextField.enabled = NO;
    self.paperHeightTextField.enabled = NO;

    [self.selectPerComboBox addItemsWithObjectValues:@[@"2",
                                                       @"4",
                                                       @"6",
                                                       @"9",
                                                       @"16",
                                                       NSLocalizedString(@"Custom", nil)]];
    [self.selectPerComboBox selectItemAtIndex:5];
    [self.selectPerComboBox setEditable:NO];
}

- (KMPDFPosterPrint *)PDFPrint
{
    if (!_PDFPrint) {
        _PDFPrint = [[KMPDFPosterPrint alloc] init];
        _PDFPrint.scale = 1.0;
        _PDFPrint.direction = kKMPDFPosterPrintDirection_Portrait;
        _PDFPrint.commentsForms = kKMPDFPosterCommentsForms_DocumentMarkups;
        _PDFPrint.splitType = kKMPDFPosterSplitType_PageSize;
        _PDFPrint.lineCount = 2;
        _PDFPrint.columnCount = 2;
        _PDFPrint.isCut = NO;
        _PDFPrint.isLabel = NO;
        _PDFPrint.isOriginalPageSize  = YES;
        _PDFPrint.fullPageSize =
        _PDFPrint.splitSize = CGSizeMake(595, 842);
        _PDFPrint.edgeInsets = NSEdgeInsetsMake(50, 60, 50, 60);
        _PDFPrint.fullPageEdgeInsets = NSEdgeInsetsMake(50, 60, 50, 60);

    }
    return _PDFPrint;
}

-(void)reloadPDFView
{
    NSInteger indexPage = self.currentPageIndex;
    if (_PDFPrint.isReversePage) {
        indexPage = self.pages.count - self.currentPageIndex - 1;
    }
    PDFPage *page = self.pages[indexPage];
    CGRect rect = [page boundsForBox:kPDFDisplayBoxCropBox];
    
    [[KMPosterPrintManager defaultManager] posterPrintPage:page posterPrint:self.PDFPrint completionHandler:^(NSArray *horizontals, NSArray *verticals) {
        
        NSData *pageData = page.dataRepresentation;
        NSImage *img = [[NSImage alloc] initWithData:pageData];
        self.thumImageView.image = img;
        
        CGFloat printWidth = 0;
        CGFloat printHeight = 0;
        if (kKMPDFPosterPrintDirection_Landscape == self.PDFPrint.direction) {
            printHeight = self.PDFPrint.splitSize.width - self.PDFPrint.edgeInsets.top - self.PDFPrint.edgeInsets.bottom;
            printWidth = self.PDFPrint.splitSize.height- self.PDFPrint.edgeInsets.left - self.PDFPrint.edgeInsets.right;
        } else {
            printWidth = self.PDFPrint.splitSize.width - self.PDFPrint.edgeInsets.left - self.PDFPrint.edgeInsets.right;
            printHeight = self.PDFPrint.splitSize.height- self.PDFPrint.edgeInsets.top - self.PDFPrint.edgeInsets.bottom;
        }
        
        printWidth /= self.PDFPrint.scale;
        printHeight /= self.PDFPrint.scale;
        
        CGFloat contentWidth = printWidth + (printWidth - self.PDFPrint.overlap)  * (horizontals.count -1); //裁剪Page的总宽度
        CGFloat contentHeight = printHeight + (printHeight- self.PDFPrint.overlap) * (verticals.count - 1); //裁剪Page的总高度
        
        CGFloat realityPDFW = rect.size.width;
        CGFloat realityPDFH = rect.size.height;
        
        NSInteger rotate = page.rotation;
        if (90 == rotate || 270 == rotate) {
            realityPDFW = rect.size.height;
            realityPDFH = rect.size.width;
        }
        
        if (self.PDFPrint.splitType == kKMPDFPosterSplitType_PageNumber) {
            contentWidth = realityPDFW;
            contentHeight = realityPDFH;
        }
        
        CGFloat max = MAX((contentWidth/maxPrintWidth), (contentHeight/maxPrintWidth));
        
        self.contentWidth.constant = contentWidth/max;
        self.contentHeight.constant = contentHeight/max;
        
        self.PDFWidth.constant = realityPDFW/max;
        self.PDFHeight.constant = realityPDFH/max;
        
        self.preview.frame = CGRectMake(0, 0, self.contentWidth.constant, self.contentHeight.constant);
        self.preview.horizontals = horizontals;
        self.preview.verticals = verticals;
        
        self.preview.overlap = self.PDFPrint.overlap / max;
        self.preview.scanle = max;
        
        self.preview.spaceWidth = (self.contentWidth.constant - self.PDFWidth.constant)/2;
        self.preview.spaceHeight = (self.contentHeight.constant - self.PDFHeight.constant)/2;
        
        CGSize paperSize = CGSizeZero;
        NSInteger tScale = 0;
        
        if (self.PDFPrint.splitType == kKMPDFPosterSplitType_PageNumber) {
            CGFloat w = (realityPDFW + self.PDFPrint.overlap * (horizontals.count -1))/self.PDFPrint.columnCount;
            CGFloat h = (realityPDFH + self.PDFPrint.overlap * (verticals.count -1))/self.PDFPrint.lineCount;
            
            if (self.PDFPrint.isOriginalPageSize) {
                tScale = 100;
                paperSize = CGSizeMake(realityPDFW/self.PDFPrint.columnCount, realityPDFW/self.PDFPrint.lineCount);
            }else {
                tScale = MIN(self.PDFPrint.fullPageSize.width/w, self.PDFPrint.fullPageSize.height/h) * 100;
                paperSize = self.PDFPrint.fullPageSize;
            }
        } else {
            paperSize = self.PDFPrint.splitSize;
            tScale = (NSInteger)(((realityPDFW + self.PDFPrint.overlap * (horizontals.count -1))/realityPDFW) *self.PDFPrint.scale*100);
        }
        
        NSInteger tPagesCount = (NSInteger)(verticals.count* horizontals.count);
        
        self.zoomLabel.stringValue = [NSString stringWithFormat:@"%@ %ld%%    %@ %ld", NSLocalizedString(@"Scale:", nil), tScale, NSLocalizedString(@"Pages:", nil), tPagesCount];
        
        CGFloat W =  (self.PDFPrint.splitSize.width *horizontals.count)/(595/210.0);
        CGFloat H =  (self.PDFPrint.splitSize.height *verticals.count)/(842/297.0);
        
        paperSize.width = paperSize.width/(595/210.0);
        paperSize.height = paperSize.height/(842/297.0);
        
        self.sizeLabel.stringValue = [NSString stringWithFormat:@"%@ x %@ %@",[KMPageSizeTool conversionWithUnit:self.unitComboBox.stringValue value:W],[KMPageSizeTool conversionWithUnit:self.unitComboBox.stringValue value:H],self.unitComboBox.stringValue] ?:@"";
        
        self.pageWidthTextField.stringValue  = [KMPageSizeTool conversionWithUnit:self.unitComboBox.stringValue value:(self.PDFPrint.splitSize.width/595 * 210)]?:@"";
        self.pageHeightTextField.stringValue = [KMPageSizeTool conversionWithUnit:self.unitComboBox.stringValue value:(self.PDFPrint.splitSize.height/842 * 297)]?:@"";
        
        if ([self.filePageSizeBox indexOfSelectedItem] == 0) {
            self.paperWidthTextField.stringValue = [KMPageSizeTool conversionWithUnit:self.unitComboBox.stringValue value:(self.PDFPrint.fullPageSize.width/585.0 * 210)];
            self.paperHeightTextField.stringValue = [KMPageSizeTool conversionWithUnit:self.unitComboBox.stringValue value:(self.PDFPrint.splitSize.height/842 * 297)]?:@"";
        } else {
            self.paperWidthTextField.stringValue = [KMPageSizeTool conversionWithUnit:self.unitComboBox.stringValue value:paperSize.width];
            self.paperHeightTextField.stringValue = [KMPageSizeTool conversionWithUnit:self.unitComboBox.stringValue value:paperSize.height]?:@"";
        }
        [self.preview setNeedsDisplay:YES];
    }];
}

- (KMPDFPosterPrintContentView *)preview
{
    if (!_preview) {
        _preview = [[KMPDFPosterPrintContentView alloc] init];
        [self.PDFContentView addSubview:self.preview];
    }
    
    return _preview;
}

-(void)bringSubviewToFront:(NSView*)view
{
    [view removeFromSuperview];
    [self.PDFContentView addSubview:view];
}

- (void)reloadPDFData
{
    NSInteger pageCount = self.pages.count;
    self.currentPageLabel.stringValue = [NSString stringWithFormat:@"%@",@(self.currentPageIndex+1)];
    self.totalPageLabel.stringValue = [NSString stringWithFormat:@" / %@",@(pageCount)];
}

- (void)viewFileAtFinder:(NSString *)fileName
{
    NSWorkspace *workspace = [NSWorkspace sharedWorkspace];
    NSURL *url = [NSURL fileURLWithPath:fileName];
    [workspace activateFileViewerSelectingURLs:[NSArray arrayWithObject:url]];
}

- (void)getDrawPages
{
    NSMutableArray * pages = [NSMutableArray array];
    if (0 == self.pageRangeComboBox.indexOfSelectedItem) {
        for (NSUInteger i = 0; i<self.PDFDocument.pageCount; i++) {
            PDFPage * page = [self.PDFDocument pageAtIndex:i];
            [pages addObject:page];
        }
    } else if (1 == self.pageRangeComboBox.indexOfSelectedItem) {
        for (NSUInteger i = 0; i < self.PDFDocument.pageCount; i ++) {
            if (i % 2 == 0) {
                PDFPage * page = [self.PDFDocument pageAtIndex:i];
                [pages addObject:page];
            }
        }
    } else if (2 == self.pageRangeComboBox.indexOfSelectedItem) {
        for (NSUInteger i = 0; i < self.PDFDocument.pageCount; i ++) {
            if (i % 2 != 0) {
                PDFPage * page = [self.PDFDocument pageAtIndex:i];
                [pages addObject:page];
            }
        }
    } else {
        KMFileAttribute *fileAttribute = [[KMFileAttribute alloc] init];
        fileAttribute.filePath = [self.PDFDocument.documentURL path];
        fileAttribute.bAllPage = NO;
        fileAttribute.pagesString = _pageRangeComboBox.stringValue;
        
        if (![fileAttribute fetchSelectPages]) {
            NSAlert *alert = [[NSAlert alloc] init];
            [alert setAlertStyle:NSCriticalAlertStyle];
            [alert setMessageText:[NSString stringWithFormat:@"%@ %@",[fileAttribute.filePath lastPathComponent],NSLocalizedString(@"Invalid page range or the page number is out of range. Please try again.", nil)]];
            [alert runModal];
            return;
        }
        
        for (NSNumber * num in [fileAttribute fetchSelectPages]) {
            PDFPage * page = [self.PDFDocument pageAtIndex:(num.integerValue - 1)];
            [pages addObject:page];
        }
    }
    
    self.pages = pages;
}

#pragma mark - Button Event
- (IBAction)buttonItemClick_Done:(id)sender
{
    [self.window makeFirstResponder:self.preview];
    if (self.pages.count < 1) {
        NSAlert *alert = [[NSAlert alloc] init];
        [alert setAlertStyle:NSCriticalAlertStyle];
        [alert setMessageText:[NSString stringWithFormat:@"%@ %@",[[self.PDFDocument.documentURL path]lastPathComponent],NSLocalizedString(@"Invalid page range or the page number is out of range. Please try again.", nil)]];
        [alert runModal];
        return;
    }
    self.PDFPrint.cropPages = self.pages;
    
    if (self.PDFPrint.isLabel) {
        self.PDFPrint.labelString = self.labelTextField.stringValue;
    }
    NSString * fileName = [NSString stringWithFormat:@"%@_Poster",self.PDFDocument.documentURL.lastPathComponent.stringByDeletingPathExtension];
    KMSavePanelAccessoryController *panelAccessoryController = [[KMSavePanelAccessoryController alloc] init];
    NSSavePanel *savePanel = [NSSavePanel savePanel];
    savePanel.nameFieldStringValue = fileName;
    savePanel.allowedFileTypes = @[@"pdf"];
    savePanel.accessoryView = panelAccessoryController.view;
    [savePanel beginSheetModalForWindow:self.window completionHandler:^(NSInteger result) {
        if (result) {
            [self showWaitting];
            [[KMPosterPrintManager defaultManager] savePath:savePanel.URL.path posterPrint:self.PDFPrint completionHandler:^(BOOL success) {
                [self hideWaitting];
                if (success) {
                    if (panelAccessoryController.openAutomaticButton.state == NSControlStateValueOn) {
                        [self close];
                        [[NSDocumentController sharedDocumentController] openDocumentWithContentsOfURL:savePanel.URL display:YES completionHandler:^(NSDocument * _Nullable document, BOOL documentWasAlreadyOpen, NSError * _Nullable error) {
                            
                        }];
                    } else {
                        [self viewFileAtFinder:savePanel.URL.path];
                    }
                }
            }];
        }
    }];
}

- (IBAction)buttonItemClick_Cancel:(id)sender
{
    [self close];
}

- (IBAction)buttonItemClick_Print:(id)sender
{
    [self.window makeFirstResponder:self.preview];
    if (self.pages.count < 1) {
        NSAlert *alert = [[NSAlert alloc] init];
        [alert setAlertStyle:NSCriticalAlertStyle];
        [alert setMessageText:[NSString stringWithFormat:@"%@ %@",[[self.PDFDocument.documentURL path]lastPathComponent],NSLocalizedString(@"Invalid page range or the page number is out of range. Please try again.", nil)]];
        [alert runModal];
        return;
    }
    
    self.PDFPrint.cropPages = self.pages;
    
    if (self.PDFPrint.isLabel) {
        self.PDFPrint.labelString = self.labelTextField.stringValue;
    }
    NSString * fileName = nil;
    if (![[NSFileManager defaultManager] fileExistsAtPath:kPosterPrintFolderPath]) {
        if (![[NSFileManager defaultManager] createDirectoryAtPath:kPosterPrintFolderPath withIntermediateDirectories:NO attributes:nil error:nil]) {
            return;
        }
    }
    fileName = @"Poster.pdf";
    fileName = [kPosterPrintFolderPath stringByAppendingPathComponent:fileName];

    [self showWaitting];
    [[KMPosterPrintManager defaultManager] savePath:fileName posterPrint:self.PDFPrint completionHandler:^(BOOL success) {
        [self hideWaitting];
        if (success) {
            PDFDocument * pdf =  [[PDFDocument alloc] initWithURL:[NSURL fileURLWithPath:fileName]];
            NSPrintInfo *printInfo = [NSPrintInfo sharedPrintInfo];
            
            NSPrintOperation *printOperation = nil;
            if ([pdf respondsToSelector:@selector(printOperationForPrintInfo:scalingMode:autoRotate:)]){
                printOperation = [pdf printOperationForPrintInfo:printInfo scalingMode:kPDFPrintPageScaleNone autoRotate:YES];
            }
            
            [printOperation runOperationModalForWindow:self.window delegate:self didRunSelector:nil contextInfo:NULL];
        }
    }];
}

- (IBAction)buttonItemClick_CutMarks:(id)sender
{
    if ( NSOnState == self.cutMarksButton.state) {
        self.PDFPrint.isCut = YES;
    } else {
        self.PDFPrint.isCut = NO;
    }
}

- (IBAction)buttonItemClick_Labels:(id)sender
{
    if ( NSOnState == self.labelButton.state) {
        self.PDFPrint.isLabel = YES;
        [self.labelTextField setEditable:YES];
        [self.labelTextField becomeFirstResponder];
    } else {
        self.PDFPrint.isLabel = NO;
        [self.labelTextField setEditable:NO];
        self.labelTextField.stringValue = @"";
    }
}

- (IBAction)buttonItemClick_Orientation:(id)sender
{
    if ( NSOnState == self.landscapeButton.state) {
        self.PDFPrint.direction = kKMPDFPosterPrintDirection_Landscape;
    } else if(NSOnState == self.portraitButton.state){
        self.PDFPrint.direction = kKMPDFPosterPrintDirection_Portrait;
    }
    [self reloadPDFView];
}

- (IBAction)buttonItemClick_Next:(id)sender
{
    if (self.pages.count > self.currentPageIndex + 1) {
        self.currentPageIndex ++;
        [self reloadPDFData];
        [self reloadPDFView];
    }
}

- (IBAction)buttonItemClick_Previous:(id)sender
{
    if (self.currentPageIndex != 0) {
        self.currentPageIndex --;
        [self reloadPDFData];
        [self reloadPDFView];
    }
}

- (IBAction)comboBoxItemClick_PageRange:(id)sender
{
    if (0 == [self.pageRangeComboBox indexOfSelectedItem] ||
        1 == [self.pageRangeComboBox indexOfSelectedItem] ||
        2 == [self.pageRangeComboBox indexOfSelectedItem]) {
        self.pageRangeComboBox.delegate = nil;
        [self.window makeFirstResponder:self];
        [self.pageRangeComboBox setEditable:NO];
        [self getDrawPages];
        if (self.pages.count > 0) {
            self.currentPageIndex = 0;
            [self reloadPDFView];
            [self reloadPDFData];
        }
    }  else if (3 == [self.pageRangeComboBox indexOfSelectedItem]) {
        self.pageRangeComboBox.delegate = self;
        [self.pageRangeComboBox setStringValue:@""];
        [self.pageRangeComboBox setEditable:YES];
        [self.window makeFirstResponder:self.pageRangeComboBox];
    }
}

- (IBAction)comboBoxItemClick_SplitSize:(id)sender
{
    self.overlapTextField.stringValue  = @"0";
    self.PDFPrint.overlap = 0;
    self.pageWidthTextField.enabled = NO;
    self.pageHeightTextField.enabled = NO;
    if ([_splitSizeComboBox indexOfSelectedItem] == _splitSizeComboBox.numberOfItems - 1) {
        self.PDFPrint.splitSize = CGSizeMake(595, 842);
        self.pageWidthTextField.enabled = YES;
        self.pageHeightTextField.enabled = YES;
    } else {
        CGSize tSize = [KMPageSizeTool getPaperSizeWithPaperName:self.splitSizeComboBox.stringValue];
        self.PDFPrint.splitSize = CGSizeMake(tSize.width * 595.0/210, tSize.height * 842.0/297.0);
    }

    CGFloat multiple = (MAX(self.PDFPrint.splitSize.height, self.PDFPrint.splitSize.width)/842);
    _PDFPrint.edgeInsets = NSEdgeInsetsMake(50 * multiple, 60 * multiple, 50 * multiple, 60 * multiple);
    
    [self reloadPDFView];
}

- (IBAction)comboBoxItemClick_fullPageSize:(id)sender
{
    self.PDFPrint.isOriginalPageSize  = NO;
    self.paperWidthTextField.enabled = NO;
    self.paperHeightTextField.enabled = NO;

    if ([self.filePageSizeBox indexOfSelectedItem] == 0) {
        self.PDFPrint.isOriginalPageSize  = YES;
    } else if ([self.filePageSizeBox indexOfSelectedItem] == _splitSizeComboBox.numberOfItems - 1){
        self.PDFPrint.fullPageSize = CGSizeMake(595, 842);
        self.paperWidthTextField.enabled = YES;
        self.paperHeightTextField.enabled = YES;
    } else {
        CGSize tSize = [KMPageSizeTool getPaperSizeWithPaperName:self.filePageSizeBox.stringValue];
        self.PDFPrint.fullPageSize = CGSizeMake(tSize.width * 595.0/210, tSize.height * 842.0/297);
    }
    
    self.overlapTextField.stringValue  = @"0";
    self.PDFPrint.overlap = 0;
    CGFloat multiple = (MAX(self.PDFPrint.fullPageSize.height, self.PDFPrint.fullPageSize.width)/842);
    _PDFPrint.fullPageEdgeInsets = NSEdgeInsetsMake(50 * multiple, 60 * multiple, 50 * multiple, 60 * multiple);
    
    [self reloadPDFView];
}

- (IBAction)buttonItemClick_ReversePage:(id)sender
{
    if (NSOnState == self.reverseButton.state) {
        self.PDFPrint.isReversePage = YES;
    } else {
        self.PDFPrint.isReversePage = NO;
    }
    
    [self reloadPDFView];
}

- (IBAction)comboBoxItemClick_Unit:(id)sender
{
    if ([self.unitComboBox indexOfSelectedItem] == 1) {
       self.unitTLabel.stringValue = self.unitT1Label.stringValue =  self.overlapUnit.stringValue = NSLocalizedString(@"mm", nil);
    } else if([self.unitComboBox indexOfSelectedItem] == 0){
        self.unitTLabel.stringValue = self.unitT1Label.stringValue =  self.overlapUnit.stringValue = NSLocalizedString(@"cm", nil);
    } else {
        self.unitTLabel.stringValue = self.unitT1Label.stringValue =  self.overlapUnit.stringValue = NSLocalizedString(@"in", nil);
    }
    self.overlapTextField.stringValue  = @"0";
    self.PDFPrint.overlap =  self.overlapTextField.integerValue;
    [self reloadPDFView];
}

- (IBAction)comboBoxItemClick_CommentsForms:(id)sender
{
    if (0 == [self.commentsFormsComboBox indexOfSelectedItem]) {
        self.PDFPrint.commentsForms = kKMPDFPosterCommentsForms_Documents;
    } else if(1 == [self.commentsFormsComboBox indexOfSelectedItem]){
        self.PDFPrint.commentsForms = kKMPDFPosterCommentsForms_DocumentMarkups;
    } else if(2 == [self.commentsFormsComboBox indexOfSelectedItem]){
        self.PDFPrint.commentsForms = kKMPDFPosterCommentsForms_DocumentStamps;
    }
    [self reloadPDFView];
}

- (IBAction)comboBoxItemClick_PagesPer:(id)sender
{
    if ( 5!= [self.selectPerComboBox indexOfSelectedItem]) {
        self.columnCountText.editable  = NO;
        self.lineCountText.editable  = NO;
        if (0 == [self.selectPerComboBox indexOfSelectedItem]) {
            self.PDFPrint.columnCount = 1;
            self.PDFPrint.lineCount = 2;
        } else if(1 == [self.selectPerComboBox indexOfSelectedItem]){
            self.PDFPrint.columnCount = 2;
            self.PDFPrint.lineCount = 2;
        } else if(2 == [self.selectPerComboBox indexOfSelectedItem]){
            self.PDFPrint.columnCount = 2;
            self.PDFPrint.lineCount = 3;
        } else if(3 == [self.selectPerComboBox indexOfSelectedItem]){
            self.PDFPrint.columnCount = 3;
            self.PDFPrint.lineCount = 3;
        } else if(4 == [self.selectPerComboBox indexOfSelectedItem]){
            self.PDFPrint.columnCount = 4;
            self.PDFPrint.lineCount = 4;
        }
        self.columnCountText.stringValue = [NSString stringWithFormat:@"%ld",self.PDFPrint.columnCount];
        self.lineCountText.stringValue = [NSString stringWithFormat:@"%ld",self.PDFPrint.lineCount];
        
        self.columnCountText.selectable  = NO;
        self.lineCountText.selectable  = NO;
    } else {
        self.PDFPrint.columnCount = 2;
        self.PDFPrint.lineCount = 2;
        self.columnCountText.stringValue = @"2";
        self.lineCountText.stringValue = @"2";
        
        self.columnCountText.editable  = YES;
        self.lineCountText.editable  = YES;
        self.columnCountText.selectable  = YES;
        self.lineCountText.selectable  = YES;
    }
    [self reloadPDFView];
}

- (void)tabView:(NSTabView *)tabView willSelectTabViewItem:(nullable NSTabViewItem *)tabViewItem
{
    self.overlapTextField.stringValue  = @"0";
    self.PDFPrint.overlap =  0;
    
    NSString * identifier = (NSString *)tabViewItem.identifier;
    if ([identifier isEqualToString:@"1"]) {
        _PDFPrint.splitType = kKMPDFPosterSplitType_PageSize;
    } else {
        _PDFPrint.splitType = kKMPDFPosterSplitType_PageNumber;
    }
    [self reloadPDFView];
}

#pragma mark - NSTextFieldDelegate Methods
- (void)controlTextDidEndEditing:(NSNotification *)notification
{
    NSTextField *textField = (NSTextField *)[notification object];
    if (textField == self.currentPageLabel) {
        NSInteger index = [[self.currentPageLabel stringValue] integerValue];
        NSInteger pageCount = self.pages.count;
        if (index > 0 && index <= pageCount) {
            self.currentPageIndex = index - 1;
            [self reloadPDFView];
        } else {
            self.currentPageLabel.stringValue = [NSString stringWithFormat:@"%@",@(1)];
        }
    } else if (textField == self.scaleTextField) {
        if (self.scaleTextField.integerValue <= 0) {
            self.scaleTextField.stringValue = @"100";
        }
        self.PDFPrint.scale =  self.scaleTextField.integerValue / 100.0;
        [self reloadPDFView];
    } else if (textField == self.pageRangeComboBox) {
        [self getDrawPages];
        if (self.pages.count > 0) {
            self.currentPageIndex = 0;
            [self reloadPDFView];
            [self reloadPDFData];
        }
    } else if (textField == self.columnCountText) {
        if ( 5!= [self.selectPerComboBox indexOfSelectedItem]) {
            return;
        }
        if (self.columnCountText.integerValue < 1) {
            self.columnCountText.stringValue = @"1";
        } else if (self.columnCountText.integerValue > 99){
            self.columnCountText.stringValue = @"99";
        }
        self.PDFPrint.columnCount = self.columnCountText.integerValue;
        [self reloadPDFView];
    } else if (textField == self.lineCountText) {
        if ( 5!= [self.selectPerComboBox indexOfSelectedItem]) {
            return;
        }
        
        if (self.lineCountText.integerValue < 1) {
            self.lineCountText.stringValue = @"1";
        } else if (self.lineCountText.integerValue > 99){
            self.lineCountText.stringValue = @"99";
        }
        self.PDFPrint.lineCount = self.lineCountText.integerValue;
        [self reloadPDFView];
    }  else if (textField == self.pageWidthTextField || textField == self.paperWidthTextField) {
           self.overlapTextField.stringValue  = @"0";
        self.PDFPrint.overlap = 0;
           CGFloat over = [[textField stringValue] floatValue];
           if ([self.unitComboBox indexOfSelectedItem] == 0) {
               over *= 595.0/21;
           } else if([self.unitComboBox indexOfSelectedItem] == 3){
               over *= 595.0/210 * 25.4;
           } else {
               over *= 595.0/210;
           }
           CGSize  size  = CGSizeZero;
           if (textField == self.pageWidthTextField ) {
               size = self.PDFPrint.splitSize;
               size.width = over;
               self.PDFPrint.splitSize = size;
           } else {
               size = self.PDFPrint.fullPageSize;
               size.width = over;
               self.PDFPrint.fullPageSize = size;
           }

           [self reloadPDFView];
       }  else if (textField == self.pageHeightTextField || textField == self.paperHeightTextField) {
           self.overlapTextField.stringValue  = @"0";
           self.PDFPrint.overlap = 0;
           CGFloat over = [[textField stringValue] floatValue];
           if ([self.unitComboBox indexOfSelectedItem] == 0) {
               over *= 842.0/29.7;
           } else if([self.unitComboBox indexOfSelectedItem] == 3){
               over *= 842.0/297 * 25.4;
           } else {
               over *= 842.0/297;
           }
           CGSize  size  = CGSizeZero;

           if (textField == self.pageHeightTextField ) {
               size = self.PDFPrint.splitSize;
               size.height = over;
               self.PDFPrint.splitSize = size;
           } else {
               size = self.PDFPrint.fullPageSize;
               size.height = over;
               self.PDFPrint.fullPageSize = size;
           }
           [self reloadPDFView];
       }
}

- (void)controlTextDidChange:(NSNotification *)notification {
    NSTextField *textField = (NSTextField *)[notification object];
    if (textField == self.currentPageLabel || textField == self.columnCountText || textField == self.lineCountText) {
        NSString *string = [textField.formatter stringFromNumber:[NSNumber numberWithFloat:[textField.stringValue integerValue]]];
        textField.stringValue = string;
    } else if (textField == self.overlapTextField){
        CGFloat maxOverlap = MIN(self.PDFPrint.splitSize.width, self.PDFPrint.splitSize.height);
        if (self.PDFPrint.splitType == kKMPDFPosterSplitType_PageNumber) {
            maxOverlap = MIN(self.PDFPrint.fullPageSize.width, self.PDFPrint.fullPageSize.height);
        }
        CGFloat over = [[textField stringValue] floatValue];
        if ([self.unitComboBox indexOfSelectedItem] == 0) {
            over *= 28.4;
        } else if([self.unitComboBox indexOfSelectedItem] == 3){
            over *= 72.0;
        } else {
            over *= 2.84; //595/210
        }
       if (over <= 0 || over > maxOverlap/2) {
            self.overlapTextField.stringValue  = @"0";
           self.PDFPrint.overlap = 0;
       } else {
           self.PDFPrint.overlap = over;
       }
        [self reloadPDFView];
    }
}

#pragma mark - show / hide Waiting

- (void)showWaitting
{
    if (!_posterMaskView) {
        _posterMaskView = [[KMBookletMaskView alloc] initWithFrame:NSMakeRect(0, 0, self.window.frame.size.width, self.window.frame.size.height)];
    }
    [self.window.contentView addSubview:self.posterMaskView];
}

- (void)hideWaitting
{
    [self.posterMaskView removeFromSuperview];
}

@end