Source/AdiumFormatting.m

   1 /*
   2  * Adium is the legal property of its developers, whose names are listed in the copyright file included
   3  * with this source distribution.
   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 License,
   7  * 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 even
  10  * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
  11  * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  15  */
  16
  17 #import <Adium/AIContentControllerProtocol.h>
  18 #import <Adium/AIPreferenceControllerProtocol.h>
  19 #import <Adium/AIMenuControllerProtocol.h>
  20 #import "AdiumFormatting.h"
  21 #import <AIUtilities/AIColorAdditions.h>
  22 #import <AIUtilities/AIDictionaryAdditions.h>
  23 #import <AIUtilities/AIFontAdditions.h>
  24 #import <AIUtilities/AIMenuAdditions.h>
  25 #import <AIUtilities/AITextAttributes.h>
  26
  27 #define DEFAULT_FORMATTING_DEFAULT_PREFS        @"FormattingDefaults"
  28
  29 @implementation AdiumFormatting
  30
  31 /*!
  32  * @brief Init
  33  */
  34 - (id)init
  35 {
  36         if ((self = [super init])) {
  37                 [[adium preferenceController] registerDefaults:[NSDictionary dictionaryNamed:DEFAULT_FORMATTING_DEFAULT_PREFS
  38                                                                                                                                                         forClass:[self class]]
  39                                                                                           forGroup:PREF_GROUP_FORMATTING];
  40                 _defaultAttributes = nil;
  41         }
  42
  43         return self;
  44 }
  45
  46 /*!
  47  * @brief Finish Initing
  48  *
  49  * Requires:
  50  * 1) Preference controller is ready
  51  */
  52 - (void)controllerDidLoad
  53 {
  54         //Observe formatting preference changes
  55         [[adium preferenceController] registerPreferenceObserver:self forGroup:PREF_GROUP_FORMATTING];
  56
  57         //Reset formatting menu item
  58         NSMenuItem      *menuItem = [[NSMenuItem allocWithZone:[NSMenu menuZone]] initWithTitle:AILocalizedString(@"Restore Default Formatting",nil)
  59                                                                                                                                                                  target:self
  60                                                                                                                                                                  action:@selector(restoreDefaultFormat:)
  61                                                                                                                                                   keyEquivalent:@""];
  62         [[adium menuController] addMenuItem:menuItem toLocation:LOC_Format_Additions];
  63         [menuItem release];
  64 }
  65
  66 - (void)dealloc
  67 {
  68         [[adium notificationCenter] removeObserver:self];
  69         [_defaultAttributes release]; _defaultAttributes = nil;
  70
  71         [super dealloc];
  72 }
  73
  74 /*!
  75  * @brief Returns the default formatting attributes
  76  *
  77  * These attributes should be used for new text entry views, messages, etc.
  78  * @return NSDictionary of NSAttributedString attributes
  79  */
  80 - (NSDictionary *)defaultFormattingAttributes
  81 {
  82         if(!_defaultAttributes){
  83                 NSFont  *font = [[[adium preferenceController] preferenceForKey:KEY_FORMATTING_FONT
  84                                                                                                                                   group:PREF_GROUP_FORMATTING] representedFont];
  85                 NSColor *textColor = [[[adium preferenceController] preferenceForKey:KEY_FORMATTING_TEXT_COLOR
  86                                                                                                                                            group:PREF_GROUP_FORMATTING] representedColor];
  87                 NSColor *backgroundColor = [[[adium preferenceController] preferenceForKey:KEY_FORMATTING_BACKGROUND_COLOR
  88                                                                                                                                                          group:PREF_GROUP_FORMATTING] representedColor];
  89
  90                 //Build formatting dict
  91                 _defaultAttributes = [[NSMutableDictionary dictionaryWithObject:font forKey:NSFontAttributeName] retain];
  92                 if (textColor && ![textColor equalToRGBColor:[NSColor textColor]]) {
  93                         [_defaultAttributes setObject:textColor forKey:NSForegroundColorAttributeName];
  94                 }
  95                 if (backgroundColor && ![backgroundColor equalToRGBColor:[NSColor textBackgroundColor]]) {
  96                         [_defaultAttributes setObject:backgroundColor forKey:AIBodyColorAttributeName];
  97                         [_defaultAttributes setObject:backgroundColor forKey:NSBackgroundColorAttributeName];
  98                 }
  99         }
 100
 101         return _defaultAttributes;
 102 }
 103
 104 /*!
 105  * @brief Formatting preferences changed, reset our formatting cache
 106  */
 107 - (void)preferencesChangedForGroup:(NSString *)group key:(NSString *)key object:(AIListObject *)object
 108                                         preferenceDict:(NSDictionary *)prefDict firstTime:(BOOL)firstTime
 109 {
 110         [_defaultAttributes release];
 111         _defaultAttributes = nil;
 112 }
 113
 114 - (void)restoreDefaultFormat:(id)sender
 115 {
 116         NSResponder *responder = [[NSApp mainWindow] firstResponder];
 117         if ([responder isKindOfClass:[NSTextView class]]) {
 118                 [(NSTextView *)responder setTypingAttributes:[self defaultFormattingAttributes]];
 119         }
 120 }
 121
 122 /*!
 123  * @brief Enable/disable our restore default formatting menu item
 124  *
 125  * The item should only be enabled if the current responder has typing attributes and those typing attributes are not the default attributes
 126  */
 127 - (BOOL)validateMenuItem:(id <NSMenuItem>)menuItem
 128 {
 129         NSResponder *responder = [[NSApp mainWindow] firstResponder];
 130
 131         return (([responder isKindOfClass:[NSTextView class]]) &&
 132                         (![[(NSTextView *)responder typingAttributes] isEqualToDictionary:[self defaultFormattingAttributes]]));
 133 }
 134
 135 @end