/*

File: MyWindowController.m

Abstract: <Description, Points of interest, Algorithm approach>

Version: 1.0

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*/ 

// =====================================================================================================================

//  MyWindowController.m

// =====================================================================================================================

#import "AnnotationPanel.h"

#import "MyWindowController.h"

#import "PDFViewEdit.h"

@implementation MyWindowController

// ================================================================================================== MyWindowController

// ------------------------------------------------------------------------------------------------------- windowDidLoad

- (void) windowDidLoad

{

    PDFDocument     *pdfDoc;

    AnnotationPanel *annotPanel;

    // Create PDFDocument.

    pdfDoc = [[PDFDocument alloc] initWithURL: [NSURL fileURLWithPath: [[self document] fileName]]];

    // Set document.

    [_pdfView setDocument: pdfDoc];

    [pdfDoc release];

    // Default display mode.

    [_pdfView setAutoScales: YES];

    // Indicate edit mode.

    [_pdfView setEditMode: ([_editTestButton selectedSegment] == 0)];

    // Establish notifications for this document.

    [self setupDocumentNotifications];

    // Bring up annotation panel.

    annotPanel = [AnnotationPanel sharedAnnotationPanel];

    [[NSNotificationCenter defaultCenter] addObserver: self selector: @selector(annotationChanged:) 

            name: AnnotationPanelAnnotationDidChangeNotification object: annotPanel];

}

// ------------------------------------------------------------------------------------------ setupDocumentNotifications

- (void) setupDocumentNotifications

{

    // Document saving progress notifications.

    [[NSNotificationCenter defaultCenter] addObserver: self selector: @selector(documentBeginWrite:) 

            name: @"PDFDidBeginDocumentWrite" object: [_pdfView document]];

    [[NSNotificationCenter defaultCenter] addObserver: self selector: @selector(documentEndWrite:) 

            name: @"PDFDidEndDocumentWrite" object: [_pdfView document]];

    [[NSNotificationCenter defaultCenter] addObserver: self selector: @selector(documentEndPageWrite:) 

            name: @"PDFDidEndPageWrite" object: [_pdfView document]];

    // Delegate.

    [[_pdfView document] setDelegate: self];

}

// ------------------------------------------------------------------------------------------------------------- dealloc

- (void) dealloc

{

    // No more notifications.

    [[NSNotificationCenter defaultCenter] removeObserver: self];

    // Call super.

    [super dealloc];

}

#pragma mark -------- actions

// ----------------------------------------------------------------------------------------------------- setEditTestMode

- (void) setEditTestMode: (id) sender;

{

    // Tell our PDFView sublclass what mode it is in.

    [_pdfView setEditMode: ([(NSSegmentedControl *)sender selectedSegment] == 0)];

}

#pragma mark -------- annotation panel notification

// --------------------------------------------------------------------------------------------------- annotationChanged

- (void) annotationChanged: (NSNotification *) notification

{

    // Lazy.

    [_pdfView setNeedsDisplay: YES];

    // Tell our subclass about the annotation change.

    [_pdfView annotationChanged];

}

#pragma mark -------- save progress

// -------------------------------------------------------------------------------------------------- documentBeginWrite

- (void) documentBeginWrite: (NSNotification *) notification

{

    // Establish maximum and current value for progress bar.

    [_saveProgressBar setMaxValue: (double)[[_pdfView document] pageCount]];

    [_saveProgressBar setDoubleValue: 0.0];

    // Bring up the save panel as a sheet.

    [NSApp beginSheet: _saveWindow modalForWindow: [self window] modalDelegate: self 

            didEndSelector: @selector(saveProgressSheetDidEnd: returnCode: contextInfo:) contextInfo: NULL];

}

// ---------------------------------------------------------------------------------------------------- documentEndWrite

- (void) documentEndWrite: (NSNotification *) notification

{

    [NSApp endSheet: _saveWindow];

}

// ------------------------------------------------------------------------------------------------ documentEndPageWrite

- (void) documentEndPageWrite: (NSNotification *) notification

{

    [_saveProgressBar setDoubleValue: [[[notification userInfo] objectForKey: @"PDFDocumentPageIndex"] floatValue]];

    [_saveProgressBar displayIfNeeded];

}

// --------------------------------------------------------------------------------------------- saveProgressSheetDidEnd

- (void) saveProgressSheetDidEnd: (NSWindow *) sheet returnCode: (int) returnCode contextInfo: (void *) contextInfo

{

    [_saveWindow close];

}

@end