Apple-2-Tools
/
ample
mirror of https://github.com/ksherlock/ample.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
ample/Ample/MediaViewController.m

628 lines
14 KiB
Objective-C
Raw Blame History

//
// MediaViewController.m
// Ample
//
// Created by Kelvin Sherlock on 8/20/2020.
// Copyright © 2020 Kelvin Sherlock. All rights reserved.
//
#import "MediaViewController.h"
@implementation TablePathView {
NSTrackingRectTag _trackingRect;
}
#if 0
-(void)awakeFromNib {
// this is apparently necessary for setTintColor to work.
NSImage *img;
img = [_ejectButton image];
[img setTemplate: YES];
img = [_ejectButton alternateImage];
[img setTemplate: YES];
}
#endif
-(void)viewDidMoveToSuperview {
if (_trackingRect) {
[self removeTrackingRect: _trackingRect];
}
NSRect rect = [_dragHandle frame];
_trackingRect = [self addTrackingRect: rect owner: self userData: NULL assumeInside:NO];
}
-(void)mouseEntered:(NSEvent *)event {
[_dragHandle setHidden: NO];
}
-(void)mouseExited:(NSEvent *)event {
[_dragHandle setHidden: YES];
}
@end
@protocol MediaNode
-(BOOL)isGroupItem;
-(BOOL)isExpandable;
-(NSInteger) count;
-(NSString *)viewIdentifier;
-(void)prepareView: (NSTableCellView *)view;
-(CGFloat)height;
-(NSInteger)index;
@end
@interface MediaCategory : NSObject <MediaNode> {
}
@property NSInteger validCount;
@property NSMutableArray *children; // URLs?
@property NSString *title;
@property NSInteger index;
-(NSInteger)count;
-(id)objectAtIndex:(NSInteger)index;
-(BOOL)isGroupItem;
@end
@interface MediaItem : NSObject <MediaNode>
@property NSURL *url;
@property BOOL valid;
@property NSInteger index;
-(NSInteger)count;
-(id)objectAtIndex:(NSInteger)index;
-(BOOL)isGroupItem;
-(void)invalidate;
@end
@implementation MediaCategory
-(instancetype)initWithTitle: (NSString *)title {
[self setTitle: title];
return self;
}
-(NSInteger) count {
return [_children count];
}
-(id)objectAtIndex:(NSInteger)index {
return [_children objectAtIndex: index];
}
-(BOOL)isGroupItem {
return YES;
}
-(BOOL)isExpandable {
return YES;
}
-(NSString *)viewIdentifier {
return @"CategoryView";
}
-(void)prepareView: (NSTableCellView *)view {
[[view textField] setStringValue: _title];
}
-(CGFloat)height {
return 17;
}
-(BOOL)setItemCount: (unsigned)newCount {
if (newCount == _validCount) {
return NO;
}
unsigned count = (unsigned)[_children count];
_validCount = newCount;
if (!_children) _children = [NSMutableArray new];
for (unsigned i = count; i < newCount; ++i) {
MediaItem *item = [MediaItem new];
[item setIndex: i];
[_children addObject: item];
}
// delete excess items, if blank. otherwise, mark invalid.
unsigned ix = 0;
for(MediaItem *item in _children) {
[item setValid: ix++ < newCount];
}
for (unsigned i = newCount; i < count; ++i) {
MediaItem *item = [_children lastObject];
if ([item url]) break;
[_children removeLastObject];
}
return YES;
}
-(BOOL)pruneChildren {
NSUInteger count = [_children count];
BOOL delta = NO;
if (_validCount == count) return NO;
for (NSInteger i = _validCount; i < count; ++i) {
MediaItem *item = [_children lastObject];
if ([item url]) break;
[_children removeLastObject];
delta = YES;
}
if (delta) {
return YES;
}
return NO;
}
-(BOOL)moveItemFrom: (NSInteger)oldIndex to: (NSInteger)newIndex {
if (newIndex == oldIndex) return NO;
NSUInteger count = [_children count];
if (oldIndex >= count) return NO;
MediaItem *item = [_children objectAtIndex: oldIndex];
[_children removeObjectAtIndex: oldIndex];
if (newIndex > oldIndex) newIndex--;
if (newIndex >= count) {
[_children addObject: item];
} else {
[_children insertObject: item atIndex: newIndex];
}
// re-index and re-validate.
unsigned ix = 0;
for (MediaItem *item in _children) {
[item setIndex: ix];
[item setValid: ix < _validCount];
++ix;
}
[self pruneChildren];
return YES;
}
@end
@implementation MediaItem
-(instancetype)initWithURL: (NSURL *)url {
[self setUrl: url];
return self;
}
-(NSInteger) count {
return 0;
}
-(id)objectAtIndex:(NSInteger)index {
return nil;
}
-(BOOL)isGroupItem {
return NO;
}
-(BOOL)isExpandable {
return NO;
}
-(NSString *)viewIdentifier {
return @"ItemView";
}
-(void)prepareView: (TablePathView *)view {
NSPathControl *pc = [view pathControl];
NSButton *button = [view ejectButton];
[pc unbind: @"value"];
[pc bind: @"value" toObject: self withKeyPath: @"url" options: nil];
[button unbind: @"enabled"];
NSValueTransformer *t = [NSValueTransformer valueTransformerForName: NSIsNotNilTransformerName];
NSDictionary *options = @{ NSValueTransformerBindingOption: t};
[button bind: @"enabled" toObject: self withKeyPath: @"url" options: options];
NSColor *tintColor = nil;
if (!_valid) tintColor = [NSColor redColor];
[button setContentTintColor: tintColor];
}
-(CGFloat)height {
return 27;
}
-(void)invalidate {
_valid = NO;
}
@end
@interface MediaViewController () {
MediaCategory *_data[5];
NSArray *_root;
NSDictionary *_media;
}
@end
@implementation MediaViewController
-(void)awakeFromNib {
static unsigned first = 0;
if (first) return;
first++;
MediaCategory *a, *b, *c, *d, *e;
a = [[MediaCategory alloc] initWithTitle: @"5.25\" Floppies"];
b = [[MediaCategory alloc] initWithTitle: @"3.5\" Floppies"];
c = [[MediaCategory alloc] initWithTitle: @"Hard Drives"];
d = [[MediaCategory alloc] initWithTitle: @"CD-ROMs"];
e = [[MediaCategory alloc] initWithTitle: @"Casettes"];
_data[0] = a;
_data[1] = b;
_data[2] = c;
_data[3] = d;
_data[4] = e;
_root = @[];
}
enum {
kIndexFloppy_5_25 = 0,
kIndexFloppy_3_5,
kIndex_HardDrive,
kIndexCDROM,
kIndexCassette
};
-(void)rebuildArgs {
static char* prefix[] = {
"flop", "flop", "hard", "cdrm", "cass"
};
NSMutableArray *args = [NSMutableArray new];
unsigned counts[5] = { 0, 0, 0, 0, 0 };
for (unsigned j = 0; j < 5; ++j) {
MediaCategory *cat = _data[j];
NSInteger valid = [cat validCount];
for (NSInteger i = 0; i < valid; ++i) {
counts[j]++;
MediaItem *item = [cat objectAtIndex: i];
NSURL *url = [item url];
if (!url) continue;
[args addObject: [NSString stringWithFormat: @"-%s%u", prefix[j], counts[j]]];
NSString *s = [NSString stringWithCString: [url fileSystemRepresentation] encoding: NSUTF8StringEncoding];
[args addObject: s];
}
if (j == 0) counts[1] = counts[0]; // 3.5/5.25
}
[self setArgs: args];
}
-(void)rebuildRoot {
NSMutableArray *tmp = [NSMutableArray new];
int ix = 0;
for (unsigned j = 0 ; j < 5; ++j) {
MediaCategory *cat = _data[j];
[cat setIndex: -1];
if ([cat count]) {
[cat setIndex: ix++];
[tmp addObject: cat];
}
}
_root = tmp;
[_outlineView reloadData];
[_outlineView expandItem: nil expandChildren: YES];
}
-(void)setMedia: (NSDictionary *)media {
static NSString *Keys[] = {
@"flop_5_25",
@"flop_3_5",
@"hard",
@"cdrm",
@"cass"
};
NSNumber *o;
MediaCategory *cat;
unsigned i;
BOOL delta = NO;
if (_media == media) return;
_media = media;
for (unsigned j = 0; j < 5; ++j) {
o = [media objectForKey: Keys[j]];
i = [o unsignedIntValue];
cat = _data[j];
delta |= [cat setItemCount: i];
}
if (delta) {
[self rebuildRoot];
[self rebuildArgs];
}
}
static NSString *kDragType = @"private.ample.media";
- (void)viewDidLoad {
[super viewDidLoad];
//NSOutlineView *view = [self view];
//[view expandItem: nil expandChildren: YES];
// Do view setup here.
[_outlineView reloadData];
[_outlineView expandItem: nil expandChildren: YES];
[_outlineView registerForDraggedTypes: @[kDragType]];
}
#pragma mark - NSOutlineViewDelegate
- (void)outlineView:(NSOutlineView *)outlineView didAddRowView:(NSTableRowView *)rowView forRow:(NSInteger)row {
}
- (void)outlineView:(NSOutlineView *)outlineView didRemoveRowView:(NSTableRowView *)rowView forRow:(NSInteger)row {
}
//- (NSTableRowView *)outlineView:(NSOutlineView *)outlineView rowViewForItem:(id)item;
- (NSView *)outlineView:(NSOutlineView *)outlineView viewForTableColumn:(NSTableColumn *)tableColumn item:(id<MediaNode>)item {
NSString *ident = [item viewIdentifier];
if (!ident) return nil;
NSTableCellView *v = [outlineView makeViewWithIdentifier: ident owner: self];
[(id<MediaNode>)item prepareView: v];
return v;
}
- (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id<MediaNode>)item {
return [item isExpandable];
}
- (BOOL)outlineView:(NSOutlineView *)outlineView isGroupItem:(id)item {
return NO; //[item isGroupItem];
}
- (BOOL)outlineView:(NSOutlineView *)outlineView shouldShowOutlineCellForItem:(id)item {
return NO;
}
/*
- (BOOL)outlineView:(NSOutlineView *)outlineView shouldShowCellExpansionForTableColumn:(NSTableColumn *)tableColumn item:(id)item {
return NO;
}
*/
-(BOOL)outlineView:(NSOutlineView *)outlineView shouldCollapseItem:(id)item {
return NO;
}
- (NSCell *)outlineView:(NSOutlineView *)outlineView dataCellForTableColumn:(NSTableColumn *)tableColumn item:(id)item {
//return nil;
return [[item cellClass] new];
}
#pragma mark - NSOutlineViewDataSource
// nil item indicates the root.
- (NSInteger)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item {
if (item == nil)
return [_root count];
return [item count];
}
- (id)outlineView:(NSOutlineView *)outlineView child:(NSInteger)index ofItem:(id)item {
if (item == nil) {
return [_root objectAtIndex: index];
}
return [item objectAtIndex: index];
}
-(CGFloat)outlineView:(NSOutlineView *)outlineView heightOfRowByItem:(id<MediaNode>)item {
return [item height];
}
#if 0
- (id<NSPasteboardWriting>)outlineView:(NSOutlineView *)outlineView pasteboardWriterForItem:(id<MediaNode>)item {
if ([item isGroupItem]) return nil;
NSPasteboardItem *pb = [NSPasteboardItem new];
return pb;
}
#endif
- (BOOL)outlineView:(NSOutlineView *)outlineView writeItems:(NSArray *)items toPasteboard:(NSPasteboard *)pasteboard {
if ([items count] > 1) return NO;
//NSLog(@"%s", sel_getName(_cmd));
MediaItem *item = [items firstObject];
if (![item isKindOfClass: [MediaItem class]]) return NO;
// find the category. only allow if more than 1 item in the category.
MediaCategory *cat = nil;
for (MediaCategory *c in _root) {
NSUInteger ix = [[c children] indexOfObject: item];
if (ix != NSNotFound){
cat = c;
break;
}
}
if (!cat) return NO;
if ([cat count] < 2) return NO;
NSInteger indexes[2] = { 0, 0 };
indexes[0] = [cat index];
indexes[1] = [item index];
NSData *data =[NSData dataWithBytes: indexes length: sizeof(indexes)];
[pasteboard setData: data forType: kDragType];
return YES;
}
/*
* IF item is present, it's a MediaCategory and index is the index of the MediaItem it would be inserted as.
* IF item is nil, index is the MediaCategory index, which should be converted to moving to the end.
* IF index < 0, dragging far beyond the category list, so NOPE it.
*
*/
- (NSDragOperation)outlineView:(NSOutlineView *)outlineView validateDrop:(id<NSDraggingInfo>)info proposedItem:(id)item proposedChildIndex:(NSInteger)index {
if (index < 0) return NSDragOperationNone;
NSPasteboard *pb = [info draggingPasteboard];
NSData *data = [pb dataForType: kDragType];
if (!data) return NSDragOperationNone;
NSInteger indexes[2];
if ([data length] != sizeof(indexes)) return NSDragOperationNone;
[data getBytes: &indexes length: sizeof(indexes)];
//NSLog(@"%d - %d", (int)indexes[0], (int)indexes[1]);
MediaCategory *cat = item;
if (!item) {
// move to the END of the previous category.
if (index == 0) return NSDragOperationNone;
cat = [_root objectAtIndex: index - 1];
index = [cat count]; // -1; - interferes w/ -1 logic below.
}
//NSLog(@"%d - %d", (int)[(MediaCategory *)item index], (int)index);
if ([cat index] != indexes[0]) return NSDragOperationNone;
if (indexes[1] == index) return NSDragOperationNone;
if (indexes[1] == index-1) return NSDragOperationNone;
return NSDragOperationMove;
}
- (BOOL)outlineView:(NSOutlineView *)outlineView acceptDrop:(id<NSDraggingInfo>)info item:(id)item childIndex:(NSInteger)index {
if (index < 0) return NO;
NSPasteboard *pb = [info draggingPasteboard];
NSData *data = [pb dataForType: kDragType];
if (!data) return NSDragOperationNone;
NSInteger indexes[2];
if ([data length] != sizeof(indexes)) return NO;
[data getBytes: &indexes length: sizeof(indexes)];
//NSLog(@"%d - %d", (int)indexes[0], (int)indexes[1]);
MediaCategory *cat = item;
if (!item) {
// move to the END of the previous category.
if (index == 0) return NO;
cat = [_root objectAtIndex: index - 1];
index = [cat count]; // -1; - interferes w/ -1 logic below.
}
//NSLog(@"%d - %d", (int)[(MediaCategory *)item index], (int)index);
if ([cat index] != indexes[0]) return NO;
if (indexes[1] == index) return NO;
if (indexes[1] == index-1) return NO;
NSInteger oldIndex = indexes[1];
[cat moveItemFrom: oldIndex to: index];
[self rebuildArgs];
[_outlineView reloadItem: cat reloadChildren: YES];
return YES;
}
#pragma mark - IBActions
- (IBAction)ejectAction:(id)sender {
NSInteger row = [_outlineView rowForView: sender];
if (row < 0) return;
//TablePathView *pv = [_outlineView viewAtColumn: 0 row: row makeIfNecessary: NO];
MediaItem *item = [_outlineView itemAtRow: row];
[item setUrl: nil];
//[[pv pathControl] setURL: nil];
// if item is invalid, should attempt to remove...
if (![item valid]) {
MediaCategory *cat = [_outlineView parentForItem: item];
if ([cat pruneChildren]) [self rebuildRoot];
}
[self rebuildArgs];
}
- (IBAction)pathAction:(id)sender {
// need to update the eject button...
[self rebuildArgs];
}
@end
Reference in New Issue View Git Blame Copy Permalink