ample/Ample/MachineViewController.m
Kelvin Sherlock 5745a99ea2 commentary
2020-09-26 14:51:52 -04:00

115 lines
2.8 KiB
Objective-C

//
// MachineViewController.m
// Ample
//
// Created by Kelvin Sherlock on 8/16/2020.
// Copyright © 2020 Kelvin Sherlock. All rights reserved.
//
#import "MachineViewController.h"
@interface MachineViewController()
@property NSArray *data;
@end
@implementation MachineViewController
-(void)awakeFromNib {
NSBundle *bundle = [NSBundle mainBundle];
NSString *path = [bundle pathForResource: @"models" ofType: @"plist"];
_data = [NSArray arrayWithContentsOfFile: path];
/* XCode/Interface Builder 11.3 barfs on NSBrowser. */
NSBrowser *browser;
NSRect frame = NSMakeRect(0, 0, 718, 200);
browser = [[NSBrowser alloc] initWithFrame: frame];
[browser setMaxVisibleColumns: 2];
//[browser setTakesTitleFromPreviousColumn: YES];
//[browser setTitled: NO];
[browser setAllowsEmptySelection: NO];
[browser setDelegate: self];
[browser setAction: @selector(clickAction:)];
[self setView: browser];
}
-(IBAction)clickAction:(id)sender {
NSDictionary *item = [self itemForBrowser: sender];
[self setMachine: [item objectForKey: @"value"]];
}
#pragma mark NSBrowser
-(NSDictionary *)itemForBrowser: (NSBrowser *)browser {
NSIndexPath *path = [browser selectionIndexPath];
NSArray *data = _data;
NSDictionary *item = nil;
NSUInteger l = [path length];
for (NSUInteger i = 0; i < l; ++i) {
NSUInteger ix = [path indexAtPosition: i];
if (ix > [data count]) return nil;
item = [data objectAtIndex: ix];
data = [item objectForKey: @"children"];
}
return item;
}
-(NSArray *)itemsForBrowser: (NSBrowser *)browser column: (NSInteger) column {
NSArray *data = _data;
for (unsigned i = 0; i < column; ++i) {
NSInteger ix = [browser selectedRowInColumn: i];
if (ix < 0) return 0;
NSDictionary *item = [data objectAtIndex: ix];
data = [item objectForKey: @"children"];
if (!data) return 0;
}
return data;
}
- (void)browser:(NSBrowser *)sender willDisplayCell:(id)cell atRow:(NSInteger)row column:(NSInteger)column {
NSArray *data = [self itemsForBrowser: sender column: column];
if (!data || row >= [data count]) return;
NSDictionary *item = [data objectAtIndex: row];
NSBrowserCell *bc = (NSBrowserCell *)cell;
[bc setStringValue: [item objectForKey: @"description"]];
[bc setLeaf: ![item objectForKey: @"children"]];
}
- (NSString *)browser:(NSBrowser *)sender titleOfColumn:(NSInteger)column {
return column == 0 ? @"Model" : @"";
}
#if 0
- (id)browser:(NSBrowser *)browser child:(NSInteger)index ofItem:(id)item {
return nil;
}
#endif
- (NSInteger)browser:(NSBrowser *)sender numberOfRowsInColumn:(NSInteger)column {
NSArray *data = [self itemsForBrowser: sender column: column];
return [data count];
}
@end