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
  23 /**
  24  * Loads the NIB and shows the preferences
  25  */
  26 - (id)init
  27 {
  28   if (self = [super initWithWindowNibName:@"Preferences"])
  29   {
  30     _blankView = [[NSView alloc] init];
  31   }
  32   return self;
  33 }
  34
  35 /**
  36  * Shows the preferences controller window
  37  */
  38 - (void)showPreferencesWindow
  39 {
  40   NSWindow* window = self.window;  // Force the window to load.
  41   [self showGeneral:self];
  42   [window center];
  43   [window makeKeyAndOrderFront:self];
  44 }
  45
  46 /**
  47  * Brings up a file picker to grant read-only file access to the selected path,
  48  * which is then persisted across application restarts.
  49  */
  50 - (IBAction)addFileAccess:(id)sender
  51 {
  52   NSOpenPanel* panel = [NSOpenPanel openPanel];
  53   panel.canChooseDirectories = YES;
  54   panel.canChooseFiles = NO;
  55   if ([panel runModal] != NSOKButton)
  56     return;
  57
  58   NSURL* url = panel.URL;
  59
  60   NSData* secureBookmark = [self.class secureBookmarkDataForURL:url];
  61   if (!secureBookmark)
  62     return;
  63
  64   NSDictionaryControllerKeyValuePair* pair = [self.fileAccessController newObject];
  65   pair.key = url.absoluteString;
  66   pair.value = secureBookmark;
  67   [self.fileAccessController addObject:pair];
  68 }
  69
  70 + (NSData*)secureBookmarkDataForURL:(NSURL*)url
  71 {
  72    NSError* error;
  73    NSData* secureBookmark = [url bookmarkDataWithOptions:NSURLBookmarkCreationWithSecurityScope | NSURLBookmarkCreationSecurityScopeAllowOnlyReadAccess
  74                           includingResourceValuesForKeys:nil
  75                                            relativeToURL:nil
  76                                                    error:&error];
  77    if (error) {
  78      NSLog(@"Error creating secure bookmark: %@", error);
  79    }
  80   return secureBookmark;
  81 }
  82
  83 #pragma mark Panel Switching
  84
  85 /**
  86  * Shows the general panel
  87  */
  88 - (IBAction)showGeneral:(id)sender
  89 {
  90   [self _switchToView:self.generalPreferencesView forToolbarItem:self.generalPreferencesItem];
  91 }
  92
  93 - (IBAction)showFileAccess:(id)sender
  94 {
  95   [self _switchToView:self.fileAccessPreferencesView forToolbarItem:self.fileAccessPreferencesItem];
  96 }
  97
  98 /**
  99  * Shows the path replacement panel
 100  */
 101 - (IBAction)showPaths:(id)sender
 102 {
 103   [self _switchToView:self.pathsPreferencesView forToolbarItem:self.pathsPreferencesItem];
 104 }
 105
 106 #pragma mark NSToolbar Delegate
 107
 108 /**
 109  * Returns the selection names
 110  */
 111 - (NSArray*)toolbarSelectableItemIdentifiers:(NSToolbar*)toolbar
 112 {
 113   return @[
 114     self.generalPreferencesItem.itemIdentifier,
 115     self.fileAccessPreferencesItem.itemIdentifier,
 116     self.pathsPreferencesItem.itemIdentifier,
 117   ];
 118 }
 119
 120 #pragma mark Private
 121
 122 - (void)_switchToView:(NSView*)contentView forToolbarItem:(NSToolbarItem*)item {
 123   if (self.window.contentView == contentView)
 124     return;
 125   [self _resizeWindowToSize:contentView.frame.size];
 126   self.window.contentView = contentView;
 127   self.toolbar.selectedItemIdentifier = item.itemIdentifier;
 128 }
 129
 130 /**
 131  * Resizes the preferences window to be the size of the given preferences panel
 132  */
 133 - (void)_resizeWindowToSize:(NSSize)size
 134 {
 135   // Hide the current view when animating, to avoid weird artifacts.
 136   self.window.contentView = _blankView;
 137
 138   NSWindowStyleMask styleMask = self.window.styleMask;
 139   NSRect newFrame = [NSWindow contentRectForFrameRect:self.window.frame styleMask:styleMask];
 140
 141   CGFloat height = size.height + 55;
 142   newFrame.origin.y += newFrame.size.height;
 143   newFrame.origin.y -= height;
 144   newFrame.size.height = height;
 145   newFrame.size.width = size.width;
 146
 147   newFrame = [NSWindow frameRectForContentRect:newFrame styleMask:styleMask];
 148
 149   [[self window] setFrame:newFrame display:YES animate:YES];
 150 }
 151
 152 @end