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Annotation of Examples/EnterpriseObjects/SHLExamples/DataSource/AppController.m, revision 1.1.1.1

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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