/*

File: AppController.m

Abstract: Part of the People project demonstrating use of the

              SyncServices framework

Version: 0.1

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Inc. may be used to endorse or promote products derived from the Apple

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as expressly stated in this notice, no other rights or licenses, express

or implied, are granted by Apple herein, including but not limited to

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MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION

THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS

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OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.

IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL

OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

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Copyright © 2005-2009 Apple Computer, Inc., All Rights Reserved.

*/ 

#import <SyncServices/SyncServices.h>

#import "AppController.h"

#import "AppControllerSyncing.h"

#import "AppControllerExtensions.h"

#import "Change.h"

#import "Constants.h"

#import "PeopleImageView.h"

static AppController *g_sharedAppController = nil;

@implementation AppController

//

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

// General

//

- (void)awakeFromNib

{

    g_sharedAppController = self;

    m_entityNames = [[NSArray alloc] initWithObjects:EntityContact, nil];

    m_records = [[NSMutableArray alloc] init];

    m_changes = [[NSMutableArray alloc] init];

    m_syncMode = FastSync;

    [self readDataFile];

    [self update];

    if ([m_records count] > 0) {

        [m_table selectRowIndexes:[NSIndexSet indexSetWithIndex:0] byExtendingSelection:NO];

        [m_table scrollRowToVisible:0];

    }

    ISyncClient *client = [self registerClient];

    [client setSyncAlertHandler:self selector:@selector(client:willSyncEntityNames:)];

    [m_officialImageView setViewType:OfficialViewType];

    [m_candidImageView setViewType:CandidViewType];

    [m_extremeImageView setViewType:ExtremeViewType];

    [m_officialImageView registerForDraggedTypes:

        [NSArray arrayWithObject: NSFilenamesPboardType]];

    [m_candidImageView registerForDraggedTypes:

        [NSArray arrayWithObject: NSFilenamesPboardType]];

    [m_extremeImageView registerForDraggedTypes:

        [NSArray arrayWithObject: NSFilenamesPboardType]];

    [[NSNotificationCenter defaultCenter] addObserver:self

        selector:@selector(photoAdded:)

        name:@"PhotoAdded" object:nil];

}

+ (AppController *)sharedAppController

{

    return g_sharedAppController;

}

- (NSArray *)entityNames

{

    return m_entityNames;

}

//

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

// Do and Undo

//

- (void)applyChange:(Change *)change

{

    if (!change)

        return;

    NSInteger rowToSelect = -1;

    NSInteger row = [change row];

    switch ([change type]) {

        case AddRecord:

            if (row >= [m_records count])

                [m_records addObject:[change record]];

            else

                [m_records insertObject:[change record] atIndex:row];

            rowToSelect = row;

            break;

        case DeleteRecord:

            [m_records removeObjectAtIndex:row];

            if ([m_records count] > 0)

                rowToSelect = row - 1 >= 0 ? row - 1 : 0;

            break;

        case ModifyRecord:

            [m_records replaceObjectAtIndex:row withObject:[change record]];

            rowToSelect = row;

            break;

    }

    [m_table reloadData];

    [self update];

    if (rowToSelect == -1) {

        [m_table deselectAll:self];

    }

    else {

        [m_table selectRowIndexes:[NSIndexSet indexSetWithIndex:rowToSelect] byExtendingSelection:NO];

        [m_table scrollRowToVisible:rowToSelect];

    }

    [m_changes addObject:change];

    [[m_window undoManager] registerUndoWithTarget:self selector:@selector(unapplyChange:) object:change];

    [self writeDataFile];

}

- (void)unapplyChange:(Change *)change

{

    if (!change)

        return;

    NSInteger rowToSelect = -1;

    NSInteger row = [change row];

    switch ([change type]) {

        case AddRecord:

            [m_records removeObjectAtIndex:row];

            if ([m_records count] > 0)

                rowToSelect = row - 1 >= 0 ? row - 1 : 0;

            break;

        case DeleteRecord:

            if (row >= [m_records count]) {

                [m_records addObject:[change oldRecord]];

                row++;

            } else

                [m_records insertObject:[change oldRecord] atIndex:row];

            rowToSelect = row;

            break;

        case ModifyRecord:

            [m_records replaceObjectAtIndex:row withObject:[change oldRecord]];

            rowToSelect = row;

            break;

    }

    [m_table reloadData];

    [self update];

    if (rowToSelect == -1) {

        [m_table deselectAll:self];

    }

    else {

        [m_table selectRowIndexes:[NSIndexSet indexSetWithIndex:rowToSelect] byExtendingSelection:NO];

        [m_table scrollRowToVisible:rowToSelect];

    }

    [m_changes removeLastObject];

    [[m_window undoManager] registerUndoWithTarget:self selector:@selector(applyChange:) object:change];

    [self writeDataFile];

}

//

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

// Model and View

//

- (id)tableView:(NSTableView *)tableView 

    objectValueForTableColumn:(NSTableColumn *)tableColumn 

    row:(NSInteger)row

{

    id result = nil;

    if (row >= 0 && row < [m_records count]) {

        NSDictionary *record = [m_records objectAtIndex:row];

        result = [record objectForKey:[tableColumn identifier]];

    }

    return result;

}

- (void)tableView:(NSTableView *)tableView

    setObjectValue:(id)object

    forTableColumn:(NSTableColumn *)tableColumn

    row:(NSInteger)row

{

    if (row >= 0 && row < [m_records count]) {

        NSDictionary *oldRecord = [m_records objectAtIndex:row];

        NSDictionary *record = nil;

        if ([[tableColumn identifier] isEqual:FirstNameKey]) {

            record = [NSDictionary dictionaryWithObjectsAndKeys:

                object, FirstNameKey,

                [oldRecord objectForKey:MiddleNameKey], MiddleNameKey,

                [oldRecord objectForKey:LastNameKey], LastNameKey, 

                [oldRecord objectForKey:CompanyNameKey], CompanyNameKey,

                [oldRecord objectForKey:LocationNameKey], LocationNameKey,

                [oldRecord objectForKey:ImageKey], ImageKey,

                [oldRecord objectForKey:CandidPhotoKey], CandidPhotoKey,

                [oldRecord objectForKey:ExtremePhotoKey], ExtremePhotoKey,

                [oldRecord objectForKey:IdentifierKey], IdentifierKey, 

                nil];

        }

        else if ([[tableColumn identifier] isEqual:MiddleNameKey]) {

            record = [NSDictionary dictionaryWithObjectsAndKeys:

                object, MiddleNameKey, 

                [oldRecord objectForKey:FirstNameKey], FirstNameKey, 

                [oldRecord objectForKey:LastNameKey], LastNameKey, 

                [oldRecord objectForKey:CompanyNameKey], CompanyNameKey,                

                [oldRecord objectForKey:LocationNameKey], LocationNameKey,                

                [oldRecord objectForKey:ImageKey], ImageKey,

                [oldRecord objectForKey:CandidPhotoKey], CandidPhotoKey,

                [oldRecord objectForKey:ExtremePhotoKey], ExtremePhotoKey,

                [oldRecord objectForKey:IdentifierKey], IdentifierKey, 

                nil];

        }

        else if ([[tableColumn identifier] isEqual:LastNameKey]) {

            record = [NSDictionary dictionaryWithObjectsAndKeys:

                object, LastNameKey, 

                [oldRecord objectForKey:FirstNameKey], FirstNameKey, 

                [oldRecord objectForKey:MiddleNameKey], MiddleNameKey,

                [oldRecord objectForKey:CompanyNameKey], CompanyNameKey,                

                [oldRecord objectForKey:LocationNameKey], LocationNameKey,                

                [oldRecord objectForKey:ImageKey], ImageKey,

                [oldRecord objectForKey:CandidPhotoKey], CandidPhotoKey,

                [oldRecord objectForKey:ExtremePhotoKey], ExtremePhotoKey,

                [oldRecord objectForKey:IdentifierKey], IdentifierKey, 

                nil];

        }

        else if ([[tableColumn identifier] isEqual:CompanyNameKey]) {

            record = [NSDictionary dictionaryWithObjectsAndKeys:

                object, CompanyNameKey, 

                [oldRecord objectForKey:FirstNameKey], FirstNameKey, 

                [oldRecord objectForKey:MiddleNameKey], MiddleNameKey,

                [oldRecord objectForKey:LastNameKey], LastNameKey,

                [oldRecord objectForKey:LocationNameKey], LocationNameKey,

                [oldRecord objectForKey:ImageKey], ImageKey,

                [oldRecord objectForKey:CandidPhotoKey], CandidPhotoKey,

                [oldRecord objectForKey:ExtremePhotoKey], ExtremePhotoKey,

                [oldRecord objectForKey:IdentifierKey], IdentifierKey, 

                nil];

        }

        else if ([[tableColumn identifier] isEqual:LocationNameKey]) {

            record = [NSDictionary dictionaryWithObjectsAndKeys:

                object, LocationNameKey, 

                [oldRecord objectForKey:FirstNameKey], FirstNameKey, 

                [oldRecord objectForKey:MiddleNameKey], MiddleNameKey,

                [oldRecord objectForKey:CompanyNameKey], CompanyNameKey,                

                [oldRecord objectForKey:LastNameKey], LastNameKey,

                [oldRecord objectForKey:ImageKey], ImageKey,

                [oldRecord objectForKey:CandidPhotoKey], CandidPhotoKey,

                [oldRecord objectForKey:ExtremePhotoKey], ExtremePhotoKey,

                [oldRecord objectForKey:IdentifierKey], IdentifierKey, 

                nil];

        }

        else if ([[tableColumn identifier] isEqual:ImageKey]) {

            record = [NSDictionary dictionaryWithObjectsAndKeys:

                object, ImageKey, 

                [oldRecord objectForKey:FirstNameKey], FirstNameKey, 

                [oldRecord objectForKey:MiddleNameKey], MiddleNameKey,

                [oldRecord objectForKey:CompanyNameKey], CompanyNameKey,                

                [oldRecord objectForKey:LastNameKey], LastNameKey,

                [oldRecord objectForKey:LocationNameKey], LocationNameKey,                

                [oldRecord objectForKey:CandidPhotoKey], CandidPhotoKey,

                [oldRecord objectForKey:ExtremePhotoKey], ExtremePhotoKey,

                [oldRecord objectForKey:IdentifierKey], IdentifierKey, 

                nil];

        }

        else if ([[tableColumn identifier] isEqual:CandidPhotoKey]) {

            record = [NSDictionary dictionaryWithObjectsAndKeys:

                object, CandidPhotoKey, 

                [oldRecord objectForKey:FirstNameKey], FirstNameKey, 

                [oldRecord objectForKey:MiddleNameKey], MiddleNameKey,

                [oldRecord objectForKey:CompanyNameKey], CompanyNameKey,                

                [oldRecord objectForKey:LastNameKey], LastNameKey,

                [oldRecord objectForKey:LocationNameKey], LocationNameKey,                

                [oldRecord objectForKey:ImageKey], ImageKey,

                [oldRecord objectForKey:ExtremePhotoKey], ExtremePhotoKey,

                [oldRecord objectForKey:IdentifierKey], IdentifierKey, 

                nil];

        }

        else if ([[tableColumn identifier] isEqual:ExtremePhotoKey]) {

            record = [NSDictionary dictionaryWithObjectsAndKeys:

                object, ExtremePhotoKey, 

                [oldRecord objectForKey:FirstNameKey], FirstNameKey, 

                [oldRecord objectForKey:MiddleNameKey], MiddleNameKey,

                [oldRecord objectForKey:CompanyNameKey], CompanyNameKey,                

                [oldRecord objectForKey:LastNameKey], LastNameKey,

                [oldRecord objectForKey:LocationNameKey], LocationNameKey,                

                [oldRecord objectForKey:ImageKey], ImageKey,

                [oldRecord objectForKey:CandidPhotoKey], CandidPhotoKey,

                [oldRecord objectForKey:IdentifierKey], IdentifierKey, 

                nil];

        }

        [self applyChange:[Change modifyRecordChange:record oldRecord:oldRecord row:row]];

    }

}

- (NSInteger)numberOfRowsInTableView:(NSTableView *)tableView

{

    return [m_records count];

}

- (void) tableViewSelectionDidChange: (NSNotification *) notification

{

    NSInteger selectedRow = [m_table selectedRow];

    BOOL hasSelectedRow =  (selectedRow != -1);

    //update the image view

    if ( hasSelectedRow ) {

        NSDictionary *record = [m_records objectAtIndex:selectedRow];

        NSImage *official = [[NSImage alloc] initWithData:[record objectForKey:ImageKey]];

        [m_officialImageView setImage: official];

        [official release];

        [m_officialImageView setNeedsDisplay: YES];

        NSImage *candid = [[NSImage alloc] initWithData:[record objectForKey:CandidPhotoKey]];

        [m_candidImageView setImage: candid];

        [candid release];

        [m_candidImageView setNeedsDisplay: YES];

        NSImage *extreme = [[NSImage alloc] initWithData:[record objectForKey:ExtremePhotoKey]];

        [m_extremeImageView setImage: extreme];

        [extreme release];

        [m_extremeImageView setNeedsDisplay: YES];

    }

}

- (void)update

{

    // m_countLabel

    NSString *countString = nil;

    if ([m_records count] == 1) {

        countString = @"1 Person";

    }

    else {

        countString = [NSString stringWithFormat:@"%d People", [m_records count]];

    }

    [m_countLabel setStringValue:countString];

    // m_table

    NSInteger row = [m_table selectedRow];

    if (row >= 0) {

        [m_table scrollRowToVisible:row];

    }

}

- (void)photoAdded:(NSNotification *)notification

{

    NSImage *image = [[notification object] image];

    if (image) {

        // fit the image in the view's bounds

        ///            [image drawInRect:[[notification object] bounds]

        ///                     fromRect: NSMakeRect(0, 0, [image size].width, [image size].height)

        ///                    operation: NSCompositeSourceOver

        ///                     fraction: 1.0];            

        NSInteger row = [m_table selectedRow];

        if (row >= 0 && row < [m_records count]) {

            NSDictionary *oldRecord = [m_records objectAtIndex:row];

            NSDictionary *record = nil;

            switch([[notification object] viewType])

            {

            case OfficialViewType:

                record = [NSDictionary dictionaryWithObjectsAndKeys:

                [image TIFFRepresentation], ImageKey, 

                [oldRecord objectForKey:FirstNameKey], FirstNameKey, 

                [oldRecord objectForKey:MiddleNameKey], MiddleNameKey,

                [oldRecord objectForKey:CompanyNameKey], CompanyNameKey,                

                [oldRecord objectForKey:LastNameKey], LastNameKey,

                [oldRecord objectForKey:LocationNameKey], LocationNameKey,                

                [oldRecord objectForKey:CandidPhotoKey], CandidPhotoKey,

                [oldRecord objectForKey:ExtremePhotoKey], ExtremePhotoKey,

                [oldRecord objectForKey:IdentifierKey], IdentifierKey, 

                nil];

                [self applyChange:[Change modifyRecordChange:record oldRecord:oldRecord row:row]];

                break;

            case CandidViewType:

                record = [NSDictionary dictionaryWithObjectsAndKeys:

                [image TIFFRepresentation], CandidPhotoKey, 

                [oldRecord objectForKey:FirstNameKey], FirstNameKey, 

                [oldRecord objectForKey:MiddleNameKey], MiddleNameKey,

                [oldRecord objectForKey:CompanyNameKey], CompanyNameKey,                

                [oldRecord objectForKey:LastNameKey], LastNameKey,

                [oldRecord objectForKey:LocationNameKey], LocationNameKey,                

                [oldRecord objectForKey:ImageKey], ImageKey,

                [oldRecord objectForKey:ExtremePhotoKey], ExtremePhotoKey,

                [oldRecord objectForKey:IdentifierKey], IdentifierKey, 

                nil];

                [self applyChange:[Change modifyRecordChange:record oldRecord:oldRecord row:row]];

                break;

            case ExtremeViewType:

                record = [NSDictionary dictionaryWithObjectsAndKeys:

                [image TIFFRepresentation], ExtremePhotoKey, 

                [oldRecord objectForKey:FirstNameKey], FirstNameKey, 

                [oldRecord objectForKey:MiddleNameKey], MiddleNameKey,

                [oldRecord objectForKey:CompanyNameKey], CompanyNameKey,                

                [oldRecord objectForKey:LastNameKey], LastNameKey,

                [oldRecord objectForKey:LocationNameKey], LocationNameKey,                

                [oldRecord objectForKey:ImageKey], ImageKey,

                [oldRecord objectForKey:CandidPhotoKey], CandidPhotoKey,

                [oldRecord objectForKey:IdentifierKey], IdentifierKey, 

                nil];

                [self applyChange:[Change modifyRecordChange:record oldRecord:oldRecord row:row]];

                break;

            }

        }

    }

}

//

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

// IBActions

//

- (IBAction)delete:(id)sender

{

    NSInteger row = [m_table selectedRow];

    if (row < 0)

        return;

    NSDictionary *record = [m_records objectAtIndex:row];

    [self applyChange:[Change deleteRecordChange:record row:row]];

    //refresh photo tab view contents for deleted row

    [[NSNotificationCenter defaultCenter]

        postNotificationName:NSTableViewSelectionDidChangeNotification object:m_table];

}

- (IBAction)newPerson:(id)sender

{

    CFUUIDRef uuid = CFUUIDCreate(NULL);

    NSString *identifier = (NSString *)CFUUIDCreateString(NULL, uuid);

    CFRelease(uuid);

    NSDictionary *record = [NSDictionary dictionaryWithObjectsAndKeys:

        @"FirstName", FirstNameKey, 

        @"LastName", LastNameKey,

        @"", MiddleNameKey,

        @"", CompanyNameKey,

        @"", LocationNameKey,

        [[NSImage imageNamed: DefaultPhoto] TIFFRepresentation], ImageKey,

        [[NSImage imageNamed: DefaultPhoto] TIFFRepresentation], CandidPhotoKey,

        [[NSImage imageNamed: DefaultPhoto] TIFFRepresentation], ExtremePhotoKey,

        identifier, IdentifierKey, 

        nil];

    [self applyChange:[Change addRecordChange:record row:0]];

    //refresh photo tab view contents for inserted row

    [[NSNotificationCenter defaultCenter]

        postNotificationName:NSTableViewSelectionDidChangeNotification object:m_table];

}

- (BOOL)validateUserInterfaceItem:(id <NSValidatedUserInterfaceItem>)item

{

    NSInteger value = [item tag];

    switch (value) {

        case UsesRecordFiltering:

            [(NSMenuItem *)item setState:m_syncsUsingRecordFiltering ? NSOnState : NSOffState];

            break;

        case UsesRecordFormatting:

            [(NSMenuItem *)item setState:m_syncsUsingRecordFormatting ? NSOnState : NSOffState];

            break;

        case UsesSyncAlertHandler:

            [(NSMenuItem *)item setState:m_syncsUsingSyncAlertHandler ? NSOnState : NSOffState];

            break;

        case SyncsOnAppDeactivate:

            [(NSMenuItem *)item setState:m_syncsOnAppDeactivate ? NSOnState : NSOffState];

            break;

    }

    return YES;

}

//

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

// Persistence

//

- (void)readDataFile

{

    NSData *data = [NSData dataWithContentsOfFile:DataFilePath];

    if (!data) {

        m_syncMode = RefreshSync;

        return;

    }

    NSPropertyListFormat format;

    NSArray *array = [NSPropertyListSerialization propertyListFromData:data 

        mutabilityOption:NSPropertyListImmutable 

        format:&format

        errorDescription:nil];

    if (array) {

        [m_records removeAllObjects];

        [m_records addObjectsFromArray:array];

        [self sortNamesAndDisplay];

    }

    else {

        NSLog(@"error reading data file");

    }

}

- (void)writeDataFile

{

    NSData *data = [NSPropertyListSerialization dataFromPropertyList:m_records 

        format:NSPropertyListXMLFormat_v1_0 

        errorDescription:nil];

    if (!data) {

        NSLog(@"error converting data");

        return;    

    }

    BOOL result = [data writeToFile:DataFilePath atomically:YES];

    if (!result) {

        NSLog(@"error writing data file");

    }

}

@end