MacOSX/Launcher/VMListController.mm

/*
 *  VMListController.mm - SheepShaver VM manager in Cocoa on Mac OS X
 *
 *  Copyright (C) 2009 Alexei Svitkine
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#import "VMListController.h"
#import "VMSettingsController.h"

/*

TODO:

Verify if VM exists
Drag VM from Finder to import
Don't show Preferences menu in spawned SheepShaver instances - or make them
use the same nib file as this app!
When choosing things like rom file and keycode files - have a checkbox to copy
selected file into the bundle.

 */

@interface NSObject (TableViewContextMenu)
- (NSMenu *) tableView: (NSTableView *) tableView menuForEvent: (NSEvent *) event;
@end

@implementation NSTableView (ContextMenu)
- (NSMenu *) menuForEvent: (NSEvent *) event
{
        if ([[self delegate] respondsToSelector:@selector(tableView:menuForEvent:)])
                return [[self delegate] tableView:self menuForEvent:event];
        return nil;
}
@end

#define VM_DRAG_TYPE @"sheepvm"

@implementation VMListController

+ (id) sharedInstance
{
        static VMListController *_sharedInstance = nil;
        if (!_sharedInstance) {
                _sharedInstance = [[VMListController allocWithZone:[self zone]] init];
        }
        return _sharedInstance;
}

- (id) init
{
        self = [super initWithWindowNibName:@"VMListWindow"];

        NSArray *vms = [[NSUserDefaults standardUserDefaults] stringArrayForKey:@"vm_list"];
        vmArray = [[NSMutableArray alloc] initWithCapacity:[vms count]];
        [vmArray addObjectsFromArray:vms];

        tasks = [[NSMutableDictionary alloc] init];

        [[NSNotificationCenter defaultCenter] addObserver:self
                selector:@selector(onTaskTerminated:)
                name:NSTaskDidTerminateNotification
                object:nil];

        return self;
}

- (void) awakeFromNib
{
        [vmList setDataSource: self];
        [vmList setDelegate: self];
        [vmList reloadData];
        [vmList registerForDraggedTypes:[NSArray arrayWithObjects:VM_DRAG_TYPE, nil]];
}

- (void) keyDown: (NSEvent *) event
{
        if ([event type] == NSKeyDown && [[event characters] length] > 0) {
                unichar key = [[event characters] characterAtIndex:0];
                if (key == NSDeleteFunctionKey || key == NSDeleteCharacter) {
                        [self deleteVirtualMachine:self];
                }
        }
}

- (int) numberOfRowsInTableView: (NSTableView *) table
{
        return [vmArray count];
}

- (id) tableView: (NSTableView *) table objectValueForTableColumn: (NSTableColumn *) c row: (int) r
{
        return [vmArray objectAtIndex: r]; // [[vmArray objectAtIndex: r] lastPathComponent];
}

- (void) tableViewSelectionDidChange: (NSNotification *) notification
{
        if ([vmList selectedRow] >= 0) {
                [settingsButton setEnabled:YES];
                [launchButton setEnabled:YES];
        } else {
                [settingsButton setEnabled:NO];
                [launchButton setEnabled:NO];
        }
}

- (BOOL) tableView: (NSTableView *) table writeRowsWithIndexes: (NSIndexSet *) rows toPasteboard: (NSPasteboard *) pboard
{
        vmBeingDragged = [vmArray objectAtIndex:[rows firstIndex]];
        [pboard declareTypes:[NSArray arrayWithObject:VM_DRAG_TYPE] owner:self];
        [pboard setString:VM_DRAG_TYPE forType:VM_DRAG_TYPE];
        return YES;
}

- (NSDragOperation) tableView: (NSTableView *) table validateDrop: (id <NSDraggingInfo>) info proposedRow: (int) row proposedDropOperation: (NSTableViewDropOperation) op
{
        if (op == NSTableViewDropAbove && row != -1) {
                return NSDragOperationPrivate;
        } else {
                return NSDragOperationNone;
        }
}

- (BOOL) tableView: (NSTableView *) table acceptDrop: (id <NSDraggingInfo>) info row: (int) row dropOperation: (NSTableViewDropOperation) op
{       
        if ([[[info draggingPasteboard] availableTypeFromArray:[NSArray arrayWithObject:VM_DRAG_TYPE]] isEqualToString:VM_DRAG_TYPE]) {
                [vmList deselectAll:nil];
                int index = [vmArray indexOfObject:vmBeingDragged];
                if (index != row) {
                        [vmArray insertObject:vmBeingDragged atIndex:row];
                        if (row <= index) {
                                index += 1;
                        } else {
                                row -= 1;
                        }
                        [vmArray removeObjectAtIndex: index];
                }
                [[NSUserDefaults standardUserDefaults] setObject:vmArray forKey:@"vm_list"];
                [vmList reloadData];
                [vmList selectRow:row byExtendingSelection:NO];
                return YES;
        }

        return NO;
}

- (NSMenu *) tableView: (NSTableView *) table menuForEvent: (NSEvent *) event
{
        NSMenu *menu = nil;
        int row = [table rowAtPoint:[table convertPoint:[event locationInWindow] fromView:nil]];
        if (row >= 0) {
                [table selectRow:row byExtendingSelection:NO];
                menu = [[[NSMenu alloc] initWithTitle: @"Contextual Menu"] autorelease];
                [menu addItemWithTitle: @"Launch Virtual Machine"
                                action: @selector(launchVirtualMachine:) keyEquivalent: @""];
                [menu addItemWithTitle: @"Edit VM Settings..."
                                action: @selector(editVirtualMachineSettings:) keyEquivalent: @""];
                [menu addItemWithTitle: @"Reveal VM in Finder"
                                action: @selector(revealVirtualMachineInFinder:) keyEquivalent: @""];
                [menu addItemWithTitle: @"Remove VM from List"
                                action: @selector(deleteVirtualMachine:) keyEquivalent: @""];
        }
        return menu;
}

//- (NSString *) tableView: (NSTableView *) table toolTipForCell: (NSCell *) cell rect: (NSRectPointer) rect
//             tableColumn: (NSTableColumn *) c row: (int) r mouseLocation: (NSPoint) loc
//{
//      return [vmArray objectAtIndex: r];
//}

- (IBAction) newVirtualMachine: (id) sender
{
        NSSavePanel *save = [NSSavePanel savePanel];
        [save setMessage: @"New SheepShaver Virtual Machine:"];
        [save setRequiredFileType: @"sheepvm"];
        [save setCanSelectHiddenExtension: YES];
        [save setExtensionHidden: NO];
        [save beginSheetForDirectory: nil
                          file: @"New.sheepvm"
                modalForWindow: [self window]
                 modalDelegate: self
                didEndSelector: @selector(_newVirtualMachineDone: returnCode: contextInfo:)
                   contextInfo: nil];
}

- (IBAction) _newVirtualMachineDone: (NSSavePanel *) save returnCode: (int) returnCode contextInfo: (void *) contextInfo
{
        if (returnCode == NSOKButton) {
                NSFileManager *manager = [NSFileManager defaultManager];
                [manager createDirectoryAtPath:[save filename] attributes:nil];
                [manager createFileAtPath:[[save filename] stringByAppendingPathComponent:@"prefs"] contents:nil attributes:nil];
                [vmArray addObject:[save filename]];
                [vmList reloadData];
                [[NSUserDefaults standardUserDefaults] setObject:vmArray forKey:@"vm_list"];
                [vmList selectRow:([vmArray count] - 1) byExtendingSelection:NO];
                [self editVirtualMachineSettings:self];
                if ([[VMSettingsController sharedInstance] cancelWasClicked]) {
                        [manager removeFileAtPath:[save filename] handler:nil];
                        [vmArray removeObjectAtIndex:([vmArray count] - 1)];
                        [vmList reloadData];
                }
                // TODO advanced: show sub-panel in save dialog that says "Create Disk:"
        }
}

- (IBAction) importVirtualMachine: (id) sender
{
        NSOpenPanel *open = [NSOpenPanel openPanel];
        [open setMessage:@"Import SheepShaver Virtual Machine:"];
        [open setResolvesAliases:YES];
        // Curiously, bundles are treated as "files" not "directories" by NSOpenPanel.
        [open setCanChooseDirectories:NO];
        [open setCanChooseFiles:YES];
        [open setAllowsMultipleSelection:NO];
        [open beginSheetForDirectory: nil
                          file: nil
                         types: [NSArray arrayWithObject:@"sheepvm"]
                modalForWindow: [self window]
                 modalDelegate: self
                didEndSelector: @selector(_importVirtualMachineDone: returnCode: contextInfo:)
                   contextInfo: nil];
}

- (void) _importVirtualMachineDone: (NSOpenPanel *) open returnCode: (int) returnCode contextInfo: (void *) contextInfo
{
        if (returnCode == NSOKButton) {
                [vmArray addObject:[open filename]];
                [vmList reloadData];
                [[NSUserDefaults standardUserDefaults] setObject:vmArray forKey:@"vm_list"];
        }
}

- (IBAction) editVirtualMachineSettings: (id) sender
{
        int selectedRow = [vmList selectedRow];
        if (selectedRow >= 0) {
                NSString *path = [vmArray objectAtIndex:selectedRow];
                if ([tasks objectForKey:path]) {
                        NSAlert *alert = [[[NSAlert alloc] init] autorelease];
                        [alert setMessageText:@"Cannot edit virtual machine settings while it's running."];
                        [alert setAlertStyle:NSWarningAlertStyle];
                        [alert beginSheetModalForWindow:[self window]
                                    modalDelegate:self
                                   didEndSelector:nil
                                      contextInfo:nil];
                } else {
                        [[VMSettingsController sharedInstance] editSettingsFor:path sender:sender];
                }
        }
}

- (IBAction) launchVirtualMachine: (id) sender
{
        int selectedRow = [vmList selectedRow];
        if (selectedRow >= 0) {
                NSString *path = [vmArray objectAtIndex:selectedRow];
                if ([tasks objectForKey:path]) {
                        NSAlert *alert = [[[NSAlert alloc] init] autorelease];
                        [alert setMessageText:@"The selected virtual machine is already running."];
                        [alert setAlertStyle:NSWarningAlertStyle];
                        [alert beginSheetModalForWindow:[self window]
                                    modalDelegate:self
                                   didEndSelector:nil
                                      contextInfo:nil];
                } else {
                        NSTask *sheep = [[NSTask alloc] init];
                        [sheep setLaunchPath:[[NSBundle mainBundle] pathForAuxiliaryExecutable:@"SheepShaver"]];
                        [sheep setArguments:[NSArray arrayWithObject:path]];
                        [sheep launch];
                        [tasks setObject:sheep forKey:path];
                }
        }
}

- (void) onTaskTerminated: (NSNotification *) notification
{
        NSArray *paths = [tasks allKeys];
        NSEnumerator *enumerator = [paths objectEnumerator];
        NSString *path;
        while ((path = [enumerator nextObject])) {
                NSTask *task = [tasks objectForKey:path];
                if (![task isRunning]) {
                        [tasks removeObjectForKey:path];
                        [task release];
                }
        }
}

- (IBAction) deleteVirtualMachine: (id) sender
{
        int selectedRow = [vmList selectedRow];
        if (selectedRow >= 0) {
                NSAlert *alert = [[[NSAlert alloc] init] autorelease];
                [alert setMessageText:@"Do you wish to remove the selected virtual machine from the list?"];
                [alert addButtonWithTitle:@"Remove"];
                [alert addButtonWithTitle:@"Cancel"];
                [alert setAlertStyle:NSWarningAlertStyle];
                [alert beginSheetModalForWindow:[self window]
                                  modalDelegate:self
                                 didEndSelector:@selector(_deleteVirtualMachineDone: returnCode: contextInfo:)
                                    contextInfo:nil];

        }
}

- (void) _deleteVirtualMachineDone: (NSAlert *) alert returnCode: (int) returnCode contextInfo: (void *) contextInfo
{
        if (returnCode == NSAlertFirstButtonReturn) {
                [vmArray removeObjectAtIndex:[vmList selectedRow]];
                [vmList deselectAll:self];
                [vmList reloadData];
                [[NSUserDefaults standardUserDefaults] setObject:vmArray forKey:@"vm_list"];
        }
}

- (IBAction) revealVirtualMachineInFinder: (id) sender
{
        int selectedRow = [vmList selectedRow];
        if (selectedRow >= 0) {
                [[NSWorkspace sharedWorkspace] selectFile: [vmArray objectAtIndex:selectedRow] inFileViewerRootedAtPath: @""];
        }
}

@end
Revision:	1.7
Committed:	2009-08-12T02:18:19Z (14 years, 10 months ago) by asvitkine
Branch:	MAIN
Changes since 1.6:	+85 -2 lines
Log Message:	re-arrange virtual machines by drag and drop add a contextual menu that also allows to reveal the selected virtual machine in finder
#	Content
1	/*
2	* VMListController.mm - SheepShaver VM manager in Cocoa on Mac OS X
3	*
4	* Copyright (C) 2009 Alexei Svitkine
5	*
6	* This program is free software; you can redistribute it and/or modify
7	* it under the terms of the GNU General Public License as published by
8	* the Free Software Foundation; either version 2 of the License, or
9	* (at your option) any later version.
10	*
11	* This program is distributed in the hope that it will be useful,
12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	* GNU General Public License for more details.
15	*
16	* You should have received a copy of the GNU General Public License
17	* along with this program; if not, write to the Free Software
18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19	*/
20
21	#import "VMListController.h"
22	#import "VMSettingsController.h"
23
24	/*
25
26	TODO:
27
28	Verify if VM exists
29	Drag VM from Finder to import
30	Don't show Preferences menu in spawned SheepShaver instances - or make them
31	use the same nib file as this app!
32	When choosing things like rom file and keycode files - have a checkbox to copy
33	selected file into the bundle.
34
35	*/
36
37	@interface NSObject (TableViewContextMenu)
38	- (NSMenu ) tableView: (NSTableView ) tableView menuForEvent: (NSEvent *) event;
39	@end
40
41	@implementation NSTableView (ContextMenu)
42	- (NSMenu ) menuForEvent: (NSEvent ) event
43	{
44	if ([[self delegate] respondsToSelector:@selector(tableView:menuForEvent:)])
45	return [[self delegate] tableView:self menuForEvent:event];
46	return nil;
47	}
48	@end
49
50	#define VM_DRAG_TYPE @"sheepvm"
51
52	@implementation VMListController
53
54	+ (id) sharedInstance
55	{
56	static VMListController *_sharedInstance = nil;
57	if (!_sharedInstance) {
58	_sharedInstance = [[VMListController allocWithZone:[self zone]] init];
59	}
60	return _sharedInstance;
61	}
62
63	- (id) init
64	{
65	self = [super initWithWindowNibName:@"VMListWindow"];
66
67	NSArray *vms = [[NSUserDefaults standardUserDefaults] stringArrayForKey:@"vm_list"];
68	vmArray = [[NSMutableArray alloc] initWithCapacity:[vms count]];
69	[vmArray addObjectsFromArray:vms];
70
71	tasks = [[NSMutableDictionary alloc] init];
72
73	[[NSNotificationCenter defaultCenter] addObserver:self
74	selector:@selector(onTaskTerminated:)
75	name:NSTaskDidTerminateNotification
76	object:nil];
77
78	return self;
79	}
80
81	- (void) awakeFromNib
82	{
83	[vmList setDataSource: self];
84	[vmList setDelegate: self];
85	[vmList reloadData];
86	[vmList registerForDraggedTypes:[NSArray arrayWithObjects:VM_DRAG_TYPE, nil]];
87	}
88
89	- (void) keyDown: (NSEvent *) event
90	{
91	if ([event type] == NSKeyDown && [[event characters] length] > 0) {
92	unichar key = [[event characters] characterAtIndex:0];
93	if (key == NSDeleteFunctionKey \|\| key == NSDeleteCharacter) {
94	[self deleteVirtualMachine:self];
95	}
96	}
97	}
98
99	- (int) numberOfRowsInTableView: (NSTableView *) table
100	{
101	return [vmArray count];
102	}
103
104	- (id) tableView: (NSTableView ) table objectValueForTableColumn: (NSTableColumn ) c row: (int) r
105	{
106	return [vmArray objectAtIndex: r]; // [[vmArray objectAtIndex: r] lastPathComponent];
107	}
108
109	- (void) tableViewSelectionDidChange: (NSNotification *) notification
110	{
111	if ([vmList selectedRow] >= 0) {
112	[settingsButton setEnabled:YES];
113	[launchButton setEnabled:YES];
114	} else {
115	[settingsButton setEnabled:NO];
116	[launchButton setEnabled:NO];
117	}
118	}
119
120	- (BOOL) tableView: (NSTableView ) table writeRowsWithIndexes: (NSIndexSet ) rows toPasteboard: (NSPasteboard *) pboard
121	{
122	vmBeingDragged = [vmArray objectAtIndex:[rows firstIndex]];
123	[pboard declareTypes:[NSArray arrayWithObject:VM_DRAG_TYPE] owner:self];
124	[pboard setString:VM_DRAG_TYPE forType:VM_DRAG_TYPE];
125	return YES;
126	}
127
128	- (NSDragOperation) tableView: (NSTableView *) table validateDrop: (id <NSDraggingInfo>) info proposedRow: (int) row proposedDropOperation: (NSTableViewDropOperation) op
129	{
130	if (op == NSTableViewDropAbove && row != -1) {
131	return NSDragOperationPrivate;
132	} else {
133	return NSDragOperationNone;
134	}
135	}
136
137	- (BOOL) tableView: (NSTableView *) table acceptDrop: (id <NSDraggingInfo>) info row: (int) row dropOperation: (NSTableViewDropOperation) op
138	{
139	if ([[[info draggingPasteboard] availableTypeFromArray:[NSArray arrayWithObject:VM_DRAG_TYPE]] isEqualToString:VM_DRAG_TYPE]) {
140	[vmList deselectAll:nil];
141	int index = [vmArray indexOfObject:vmBeingDragged];
142	if (index != row) {
143	[vmArray insertObject:vmBeingDragged atIndex:row];
144	if (row <= index) {
145	index += 1;
146	} else {
147	row -= 1;
148	}
149	[vmArray removeObjectAtIndex: index];
150	}
151	[[NSUserDefaults standardUserDefaults] setObject:vmArray forKey:@"vm_list"];
152	[vmList reloadData];
153	[vmList selectRow:row byExtendingSelection:NO];
154	return YES;
155	}
156
157	return NO;
158	}
159
160	- (NSMenu ) tableView: (NSTableView ) table menuForEvent: (NSEvent *) event
161	{
162	NSMenu *menu = nil;
163	int row = [table rowAtPoint:[table convertPoint:[event locationInWindow] fromView:nil]];
164	if (row >= 0) {
165	[table selectRow:row byExtendingSelection:NO];
166	menu = [[[NSMenu alloc] initWithTitle: @"Contextual Menu"] autorelease];
167	[menu addItemWithTitle: @"Launch Virtual Machine"
168	action: @selector(launchVirtualMachine:) keyEquivalent: @""];
169	[menu addItemWithTitle: @"Edit VM Settings..."
170	action: @selector(editVirtualMachineSettings:) keyEquivalent: @""];
171	[menu addItemWithTitle: @"Reveal VM in Finder"
172	action: @selector(revealVirtualMachineInFinder:) keyEquivalent: @""];
173	[menu addItemWithTitle: @"Remove VM from List"
174	action: @selector(deleteVirtualMachine:) keyEquivalent: @""];
175	}
176	return menu;
177	}
178
179	//- (NSString ) tableView: (NSTableView ) table toolTipForCell: (NSCell *) cell rect: (NSRectPointer) rect
180	// tableColumn: (NSTableColumn *) c row: (int) r mouseLocation: (NSPoint) loc
181	//{
182	// return [vmArray objectAtIndex: r];
183	//}
184
185	- (IBAction) newVirtualMachine: (id) sender
186	{
187	NSSavePanel *save = [NSSavePanel savePanel];
188	[save setMessage: @"New SheepShaver Virtual Machine:"];
189	[save setRequiredFileType: @"sheepvm"];
190	[save setCanSelectHiddenExtension: YES];
191	[save setExtensionHidden: NO];
192	[save beginSheetForDirectory: nil
193	file: @"New.sheepvm"
194	modalForWindow: [self window]
195	modalDelegate: self
196	didEndSelector: @selector(_newVirtualMachineDone: returnCode: contextInfo:)
197	contextInfo: nil];
198	}
199
200	- (IBAction) _newVirtualMachineDone: (NSSavePanel ) save returnCode: (int) returnCode contextInfo: (void ) contextInfo
201	{
202	if (returnCode == NSOKButton) {
203	NSFileManager *manager = [NSFileManager defaultManager];
204	[manager createDirectoryAtPath:[save filename] attributes:nil];
205	[manager createFileAtPath:[[save filename] stringByAppendingPathComponent:@"prefs"] contents:nil attributes:nil];
206	[vmArray addObject:[save filename]];
207	[vmList reloadData];
208	[[NSUserDefaults standardUserDefaults] setObject:vmArray forKey:@"vm_list"];
209	[vmList selectRow:([vmArray count] - 1) byExtendingSelection:NO];
210	[self editVirtualMachineSettings:self];
211	if ([[VMSettingsController sharedInstance] cancelWasClicked]) {
212	[manager removeFileAtPath:[save filename] handler:nil];
213	[vmArray removeObjectAtIndex:([vmArray count] - 1)];
214	[vmList reloadData];
215	}
216	// TODO advanced: show sub-panel in save dialog that says "Create Disk:"
217	}
218	}
219
220	- (IBAction) importVirtualMachine: (id) sender
221	{
222	NSOpenPanel *open = [NSOpenPanel openPanel];
223	[open setMessage:@"Import SheepShaver Virtual Machine:"];
224	[open setResolvesAliases:YES];
225	// Curiously, bundles are treated as "files" not "directories" by NSOpenPanel.
226	[open setCanChooseDirectories:NO];
227	[open setCanChooseFiles:YES];
228	[open setAllowsMultipleSelection:NO];
229	[open beginSheetForDirectory: nil
230	file: nil
231	types: [NSArray arrayWithObject:@"sheepvm"]
232	modalForWindow: [self window]
233	modalDelegate: self
234	didEndSelector: @selector(_importVirtualMachineDone: returnCode: contextInfo:)
235	contextInfo: nil];
236	}
237
238	- (void) _importVirtualMachineDone: (NSOpenPanel ) open returnCode: (int) returnCode contextInfo: (void ) contextInfo
239	{
240	if (returnCode == NSOKButton) {
241	[vmArray addObject:[open filename]];
242	[vmList reloadData];
243	[[NSUserDefaults standardUserDefaults] setObject:vmArray forKey:@"vm_list"];
244	}
245	}
246
247	- (IBAction) editVirtualMachineSettings: (id) sender
248	{
249	int selectedRow = [vmList selectedRow];
250	if (selectedRow >= 0) {
251	NSString *path = [vmArray objectAtIndex:selectedRow];
252	if ([tasks objectForKey:path]) {
253	NSAlert *alert = [[[NSAlert alloc] init] autorelease];
254	[alert setMessageText:@"Cannot edit virtual machine settings while it's running."];
255	[alert setAlertStyle:NSWarningAlertStyle];
256	[alert beginSheetModalForWindow:[self window]
257	modalDelegate:self
258	didEndSelector:nil
259	contextInfo:nil];
260	} else {
261	[[VMSettingsController sharedInstance] editSettingsFor:path sender:sender];
262	}
263	}
264	}
265
266	- (IBAction) launchVirtualMachine: (id) sender
267	{
268	int selectedRow = [vmList selectedRow];
269	if (selectedRow >= 0) {
270	NSString *path = [vmArray objectAtIndex:selectedRow];
271	if ([tasks objectForKey:path]) {
272	NSAlert *alert = [[[NSAlert alloc] init] autorelease];
273	[alert setMessageText:@"The selected virtual machine is already running."];
274	[alert setAlertStyle:NSWarningAlertStyle];
275	[alert beginSheetModalForWindow:[self window]
276	modalDelegate:self
277	didEndSelector:nil
278	contextInfo:nil];
279	} else {
280	NSTask *sheep = [[NSTask alloc] init];
281	[sheep setLaunchPath:[[NSBundle mainBundle] pathForAuxiliaryExecutable:@"SheepShaver"]];
282	[sheep setArguments:[NSArray arrayWithObject:path]];
283	[sheep launch];
284	[tasks setObject:sheep forKey:path];
285	}
286	}
287	}
288
289	- (void) onTaskTerminated: (NSNotification *) notification
290	{
291	NSArray *paths = [tasks allKeys];
292	NSEnumerator *enumerator = [paths objectEnumerator];
293	NSString *path;
294	while ((path = [enumerator nextObject])) {
295	NSTask *task = [tasks objectForKey:path];
296	if (![task isRunning]) {
297	[tasks removeObjectForKey:path];
298	[task release];
299	}
300	}
301	}
302
303	- (IBAction) deleteVirtualMachine: (id) sender
304	{
305	int selectedRow = [vmList selectedRow];
306	if (selectedRow >= 0) {
307	NSAlert *alert = [[[NSAlert alloc] init] autorelease];
308	[alert setMessageText:@"Do you wish to remove the selected virtual machine from the list?"];
309	[alert addButtonWithTitle:@"Remove"];
310	[alert addButtonWithTitle:@"Cancel"];
311	[alert setAlertStyle:NSWarningAlertStyle];
312	[alert beginSheetModalForWindow:[self window]
313	modalDelegate:self
314	didEndSelector:@selector(_deleteVirtualMachineDone: returnCode: contextInfo:)
315	contextInfo:nil];
316
317	}
318	}
319
320	- (void) _deleteVirtualMachineDone: (NSAlert ) alert returnCode: (int) returnCode contextInfo: (void ) contextInfo
321	{
322	if (returnCode == NSAlertFirstButtonReturn) {
323	[vmArray removeObjectAtIndex:[vmList selectedRow]];
324	[vmList deselectAll:self];
325	[vmList reloadData];
326	[[NSUserDefaults standardUserDefaults] setObject:vmArray forKey:@"vm_list"];
327	}
328	}
329
330	- (IBAction) revealVirtualMachineInFinder: (id) sender
331	{
332	int selectedRow = [vmList selectedRow];
333	if (selectedRow >= 0) {
334	[[NSWorkspace sharedWorkspace] selectFile: [vmArray objectAtIndex:selectedRow] inFileViewerRootedAtPath: @""];
335	}
336	}
337
338	@end