Source/PreferencesController.m

   1 /*
   2  * MacGDBp
   3  * Copyright (c) 2007 - 2011, Blue Static <http://www.bluestatic.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify it under the terms of the GNU
   6  * General Public License as published by the Free Software Foundation; either version 2 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
  10  * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along with this program; if not,
  14  * write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  15  */
  16
  17 #import "PreferencesController.h"
  18
  19 @implementation PreferencesController {
  20   NSView* _blankView;
  21
  22   NSSize _generalSize, _fileAccessSize, _pathsSize;
  23 }
  24
  25 /**
  26  * Loads the NIB and shows the preferences
  27  */
  28 - (id)init
  29 {
  30   if (self = [super initWithWindowNibName:@"Preferences"])
  31   {
  32     _blankView = [[NSView alloc] init];
  33   }
  34   return self;
  35 }
  36
  37 - (void)awakeFromNib
  38 {
  39   _generalSize = self.generalPreferencesView.frame.size;
  40   _fileAccessSize = self.fileAccessPreferencesView.frame.size;
  41   _pathsSize = self.pathsPreferencesView.frame.size;
  42 }
  43
  44 /**
  45  * Shows the preferences controller window
  46  */
  47 - (void)showPreferencesWindow
  48 {
  49   NSWindow* window = self.window;  // Force the window to load.
  50   [self showGeneral:self];
  51   [window center];
  52   [window makeKeyAndOrderFront:self];
  53 }
  54
  55 /**
  56  * Brings up a file picker to grant read-only file access to the selected path,
  57  * which is then persisted across application restarts.
  58  */
  59 - (IBAction)addFileAccess:(id)sender
  60 {
  61   NSOpenPanel* panel = [NSOpenPanel openPanel];
  62   panel.canChooseDirectories = YES;
  63   panel.canChooseFiles = NO;
  64   if ([panel runModal] != NSOKButton)
  65     return;
  66
  67   NSURL* url = panel.URL;
  68
  69   NSData* secureBookmark = [self.class secureBookmarkDataForURL:url];
  70   if (!secureBookmark)
  71     return;
  72
  73   NSDictionaryControllerKeyValuePair* pair = [self.fileAccessController newObject];
  74   pair.key = url.absoluteString;
  75   pair.value = secureBookmark;
  76   [self.fileAccessController addObject:pair];
  77 }
  78
  79 + (NSData*)secureBookmarkDataForURL:(NSURL*)url
  80 {
  81    NSError* error;
  82    NSData* secureBookmark = [url bookmarkDataWithOptions:NSURLBookmarkCreationWithSecurityScope | NSURLBookmarkCreationSecurityScopeAllowOnlyReadAccess
  83                           includingResourceValuesForKeys:nil
  84                                            relativeToURL:nil
  85                                                    error:&error];
  86    if (error) {
  87      NSLog(@"Error creating secure bookmark: %@", error);
  88    }
  89   return secureBookmark;
  90 }
  91
  92 #pragma mark Panel Switching
  93
  94 /**
  95  * Shows the general panel
  96  */
  97 - (IBAction)showGeneral:(id)sender
  98 {
  99   [self _switchToView:self.generalPreferencesView resizeTo:_generalSize forToolbarItem:self.generalPreferencesItem];
 100 }
 101
 102 - (IBAction)showFileAccess:(id)sender
 103 {
 104   [self _switchToView:self.fileAccessPreferencesView resizeTo:_fileAccessSize forToolbarItem:self.fileAccessPreferencesItem];
 105 }
 106
 107 /**
 108  * Shows the path replacement panel
 109  */
 110 - (IBAction)showPaths:(id)sender
 111 {
 112   [self _switchToView:self.pathsPreferencesView resizeTo:_pathsSize forToolbarItem:self.pathsPreferencesItem];
 113 }
 114
 115 #pragma mark NSToolbar Delegate
 116
 117 /**
 118  * Returns the selection names
 119  */
 120 - (NSArray*)toolbarSelectableItemIdentifiers:(NSToolbar*)toolbar
 121 {
 122   return @[
 123     self.generalPreferencesItem.itemIdentifier,
 124     self.fileAccessPreferencesItem.itemIdentifier,
 125     self.pathsPreferencesItem.itemIdentifier,
 126   ];
 127 }
 128
 129 #pragma mark Private
 130
 131 - (void)_switchToView:(NSView*)contentView
 132              resizeTo:(NSSize)size
 133        forToolbarItem:(NSToolbarItem*)item {
 134   if (self.window.contentView == contentView)
 135     return;
 136   [self _resizeWindowToSize:size];
 137   self.window.contentView = contentView;
 138   self.toolbar.selectedItemIdentifier = item.itemIdentifier;
 139 }
 140
 141 /**
 142  * Resizes the preferences window to be the size of the given preferences panel
 143  */
 144 - (void)_resizeWindowToSize:(NSSize)size
 145 {
 146   // Hide the current view when animating, to avoid weird artifacts.
 147   self.window.contentView = _blankView;
 148
 149   NSWindowStyleMask styleMask = self.window.styleMask;
 150   NSRect newFrame = [NSWindow contentRectForFrameRect:self.window.frame styleMask:styleMask];
 151
 152   CGFloat height = size.height + 55;
 153   newFrame.origin.y += newFrame.size.height;
 154   newFrame.origin.y -= height;
 155   newFrame.size.height = height;
 156   newFrame.size.width = size.width;
 157
 158   newFrame = [NSWindow frameRectForContentRect:newFrame styleMask:styleMask];
 159
 160   [[self window] setFrame:newFrame display:YES animate:YES];
 161 }
 162
 163 @end