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Annotation of Examples/EnterpriseObjects/SHLExamples/DataSource/AppController.m, revision 1.1

1.1     ! root        1: /*--------------------------------------------------------------------------
        !             2:  *
        !             3:  *     You may freely copy, distribute, and reuse the code in this example.
        !             4:  *     SHL Systemhouse disclaims any warranty of any kind, expressed or  
        !             5:  *     implied, as to its fitness for any particular use.
        !             6:  *
        !             7:  *
        !             8:  *     AppController
        !             9:  *
        !            10:  *     Inherits From:          NSObject
        !            11:  *
        !            12:  *     Conforms To:            None
        !            13:  *
        !            14:  *     Declared In:            AppController.h
        !            15:  *
        !            16:  *
        !            17:  *------------------------------------------------------------------------*/
        !            18: #import "AppController.h"
        !            19: #import "DataSource.h"
        !            20: #import "Motorcycle.h"
        !            21: #import "ScrollViewExtensions.h"
        !            22: #import <eointerface/EOController.h>
        !            23: #import <foundation/NSString.h>
        !            24: 
        !            25: #define print_trace [self console: [NSString stringWithFormat:\
        !            26: @"EOCONTROLLER  %s\n", sel_getName(_cmd)]]
        !            27: 
        !            28: 
        !            29: 
        !            30: @implementation AppController
        !            31: 
        !            32: /*--------------------------------------------------------------------------
        !            33:  *     Cover Methods for EOController Actions
        !            34:  *------------------------------------------------------------------------*/
        !            35: - fetch: sender
        !            36: {
        !            37:        sequence++;
        !            38:        print_trace;
        !            39:        [eoController fetch: sender];
        !            40:        return self;
        !            41: }
        !            42: 
        !            43: 
        !            44: - insert: sender
        !            45: {
        !            46:        sequence++;
        !            47:        print_trace;
        !            48:        [eoController insert: sender];
        !            49:        return self;
        !            50: }
        !            51: 
        !            52: 
        !            53: - delete: sender
        !            54: {
        !            55:        sequence++;
        !            56:        print_trace;
        !            57:        [eoController delete: sender];
        !            58:        return self;
        !            59: }
        !            60: 
        !            61: 
        !            62: - saveToObjects: sender
        !            63: {
        !            64:        sequence++;
        !            65:        print_trace;
        !            66:        [eoController saveToObjects: sender];
        !            67:        return self;
        !            68: }
        !            69: 
        !            70: 
        !            71: - saveToDataSource: sender
        !            72: {
        !            73:        sequence++;
        !            74:        print_trace;
        !            75:        [eoController saveToDataSource: sender];
        !            76:        return self;
        !            77: }
        !            78: 
        !            79: 
        !            80: - undo: sender
        !            81: {
        !            82:        sequence++;
        !            83:        print_trace;
        !            84:        [eoController undo: sender];
        !            85:        return self;
        !            86: }
        !            87: 
        !            88: 
        !            89: /*--------------------------------------------------------------------------
        !            90:  *     Printing Trace Information
        !            91:  *------------------------------------------------------------------------*/
        !            92: - console: (NSString *) aString
        !            93: {
        !            94:        static int      lastSequence = 0;
        !            95:        
        !            96:        if (sequence == 0) return self;
        !            97: 
        !            98:        if (lastSequence != sequence)
        !            99:                {
        !           100:                [console sprintf: "\n"];
        !           101:                lastSequence = sequence;
        !           102:                }
        !           103:                
        !           104:        [console sprintf: "[%d]  %s", sequence, [aString cString]];
        !           105:        return self;
        !           106: }
        !           107: 
        !           108: 
        !           109: /*--------------------------------------------------------------------------
        !           110:  *     Initialization
        !           111:  *------------------------------------------------------------------------*/
        !           112: - appDidInit: sender
        !           113: {
        !           114:        /* Initialize 'persistentStore' with a couple of objects */
        !           115:        
        !           116:        id      object;
        !           117:        
        !           118:        object = [dataSource createObject];
        !           119:        [object setMake: @"Honda"];
        !           120:        [object setModel: @"CBR 900RR"];
        !           121:        [object setPrice: @"8999.00"];
        !           122:        [object setPicture: [NXImage findImageNamed: "CBR900RR"]];
        !           123:        [dataSource insertObject: object];
        !           124:        
        !           125:        object = [dataSource createObject];
        !           126:        [object setMake: @"Ducati"];
        !           127:        [object setModel: @"900SS SP"];
        !           128:        [object setPrice: @"9750.00"];
        !           129:        [object setPicture: [NXImage findImageNamed: "Ducati900SS"]];
        !           130:        [dataSource insertObject: object];
        !           131:        
        !           132:        [dataSource saveObjects];
        !           133:        [self fetch: nil];
        !           134:        return self;
        !           135: }
        !           136: 
        !           137: 
        !           138: @end

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