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https://github.com/gnustep/apps-gorm.git
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* GormCore/GormPluginManager.h
* GormCore/GormPluginManager.m: Added manager class. git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/apps/gorm/trunk@26533 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Gregory John Casamento
parent
adc5d81e91
commit
e0a131320d
3 changed files with 404 additions and 0 deletions
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2008-05-16 20:47-EDT Gregory John Casamento <greg_casamento@yahoo.com>
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* GormCore/GormPluginManager.h
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* GormCore/GormPluginManager.m: Added manager class.
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2008-05-16 20:46-EDT Gregory John Casamento <greg_casamento@yahoo.com>
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* GormCore/GormPlugin.h
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47
GormCore/GormPluginManager.h
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47
GormCore/GormPluginManager.h
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@ -0,0 +1,47 @@
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/* GormPluginManager.h
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*
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* Copyright (C) 1999, 2003 Free Software Foundation, Inc.
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*
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* Author: Gregory John Casamento <greg_casamento@yahoo.com>
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* Author: Richard Frith-Macdonald <richard@brainstrom.co.uk>
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* Date: 1999, 2003
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*
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* This file is part of GNUstep.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111 USA.
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*/
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#ifndef INCLUDED_GormPluginManager_h
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#define INCLUDED_GormPluginManager_h
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#include <Foundation/NSObject.h>
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@class NSMutableArray, NSMutableDictionary, NSDictionary, NSArray, NSBundle;
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@class NSPanel, NSMatrix, NSView;
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@interface GormPluginManager : NSObject
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{
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NSMutableArray *bundles;
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NSMutableDictionary *pluginsDict;
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NSMutableArray *plugins;
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NSMutableArray *pluginNames;
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}
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// methods for loading and display the palette panels
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- (BOOL) loadPlugin: (NSString*)path;
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- (id) openPlugin: (id) sender;
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@end
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#endif
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352
GormCore/GormPluginManager.m
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352
GormCore/GormPluginManager.m
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@ -0,0 +1,352 @@
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/* GormPalettesManager.m
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*
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* Copyright (C) 1999 Free Software Foundation, Inc.
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*
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* Author: Richard Frith-Macdonald <richard@brainstrom.co.uk>
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* Author: Gregory John Casamento <greg_casamento@yahoo.com>
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* Date: 1999, 2004
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*
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* This file is part of GNUstep.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111 USA.
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*/
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#include "GormPrivate.h"
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#include <Foundation/NSArray.h>
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#include <Foundation/NSSet.h>
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#include <AppKit/NSImage.h>
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#include <AppKit/NSSound.h>
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#include <GNUstepBase/GSObjCRuntime.h>
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#include "GormFunctions.h"
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#include "GormPluginManager.h"
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#define BUILTIN_PLUGINS @"BuiltinPlugins"
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#define USER_PLUGINS @"UserPlugins"
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@implementation GormPluginManager
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- (void) dealloc
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{
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[[NSNotificationCenter defaultCenter] removeObserver: self];
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RELEASE(bundles);
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RELEASE(plugins);
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RELEASE(pluginsDict);
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[super dealloc];
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}
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/*
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- (void) handleNotification: (NSNotification*)aNotification
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{
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NSString *name = [aNotification name];
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if ([name isEqual: IBWillBeginTestingInterfaceNotification] == YES)
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{
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if ([panel isVisible] == YES)
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{
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hiddenDuringTest = YES;
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[panel orderOut: self];
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}
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}
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else if ([name isEqual: IBWillEndTestingInterfaceNotification] == YES)
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{
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if (hiddenDuringTest == YES)
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{
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hiddenDuringTest = NO;
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[panel orderFront: self];
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}
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}
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}
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*/
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- (id) init
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{
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NSArray *array;
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NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
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NSArray *userPlugins = [defaults arrayForKey: USER_PLUGINS];
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// NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
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self = [super init];
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if(self != nil)
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{
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/*
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if([NSBundle loadNibNamed: @"GormPluginPanel" owner: self] == NO)
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{
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return nil;
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}
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*/
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}
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else
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{
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return nil;
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}
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//
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// Initialize dictionary
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//
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pluginsDict = [[NSMutableDictionary alloc] init];
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plugins = [[NSMutableArray alloc] init];
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pluginNames = [[NSMutableArray alloc] init];
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//
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// Set frame name
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//
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// [panel setFrameUsingName: @"Plugins"];
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// [panel setFrameAutosaveName: @"Plugins"];
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array = [[NSBundle mainBundle] pathsForResourcesOfType: @"plugin"
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inDirectory: nil];
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if ([array count] > 0)
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{
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unsigned index;
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array = [array sortedArrayUsingSelector: @selector(compare:)];
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for (index = 0; index < [array count]; index++)
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{
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[self loadPlugin: [array objectAtIndex: index]];
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}
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}
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// if we have any user plugins load them as well.
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if(userPlugins != nil)
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{
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NSEnumerator *en = [userPlugins objectEnumerator];
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id pluginName = nil;
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while((pluginName = [en nextObject]) != nil)
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{
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[self loadPlugin: pluginName];
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}
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}
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/*
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[nc addObserver: self
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selector: @selector(handleNotification:)
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name: IBWillBeginTestingInterfaceNotification
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object: nil];
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[nc addObserver: self
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selector: @selector(handleNotification:)
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name: IBWillEndTestingInterfaceNotification
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object: nil];
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*/
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return self;
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}
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- (BOOL) bundlePathIsLoaded: (NSString *)path
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{
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int col = 0;
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NSBundle *bundle;
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for (col = 0; col < [bundles count]; col++)
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{
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bundle = [bundles objectAtIndex: col];
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if ([path isEqualToString: [bundle bundlePath]] == YES)
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{
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return YES;
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}
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}
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return NO;
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}
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- (BOOL) loadPlugin: (NSString*)path
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{
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NSBundle *bundle;
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NSString *className;
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IBPlugin *plugin;
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Class pluginClass;
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//NSDictionary *pluginInfo;
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//NSWindow *window;
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//NSArray *exportClasses;
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//NSArray *exportSounds;
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//NSArray *exportImages;
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//NSDictionary *subClasses;
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if([self bundlePathIsLoaded: path])
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{
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NSRunAlertPanel (nil, _(@"Plugin has already been loaded"),
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_(@"OK"), nil, nil);
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return NO;
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}
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bundle = [NSBundle bundleWithPath: path];
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if (bundle == nil)
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{
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NSRunAlertPanel(nil, _(@"Could not load Plugin"),
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_(@"OK"), nil, nil);
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return NO;
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}
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/* May use this later for class description
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path = [bundle pathForResource: @"plugin" ofType: @"table"];
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if (path == nil)
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{
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NSRunAlertPanel(nil, _(@"File 'palette.table' missing"),
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_(@"OK"), nil, nil);
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return NO;
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}
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// attempt to load the palette table in either the strings or plist format.
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NS_DURING
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{
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paletteInfo = [[NSString stringWithContentsOfFile: path] propertyList];
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if (paletteInfo == nil)
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{
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paletteInfo = [[NSString stringWithContentsOfFile: path] propertyListFromStringsFileFormat];
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if(paletteInfo == nil)
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{
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NSRunAlertPanel(_(@"Problem Loading Palette"),
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_(@"Failed to load 'palette.table' using strings or property list format."),
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_(@"OK"),
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nil,
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nil);
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return NO;
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}
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}
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}
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NS_HANDLER
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{
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NSString *message = [NSString stringWithFormat:
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_(@"Encountered exception %@ attempting to load 'palette.table'."),
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[localException reason]];
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NSRunAlertPanel(_(@"Problem Loading Palette"),
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message,
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_(@"OK"),
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nil,
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nil);
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return NO;
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}
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NS_ENDHANDLER
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*/
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className = [[bundle infoDictionary] objectForKey: @"NSPrincipalClass"];
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if (className == nil)
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{
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NSRunAlertPanel(nil, _(@"No plugin class in plist"),
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_(@"OK"), nil, nil);
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return NO;
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}
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pluginClass = [bundle classNamed: className];
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if (pluginClass == 0)
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{
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NSRunAlertPanel (nil, _(@"Could not load palette class"),
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_(@"OK"), nil, nil);
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return NO;
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}
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plugin = [[pluginClass alloc] init];
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if ([plugin isKindOfClass: [IBPlugin class]] == NO)
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{
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NSRunAlertPanel (nil, _(@"Plugin contains wrong type of class"),
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_(@"OK"), nil, nil);
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RELEASE(plugin);
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return NO;
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}
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// add to the bundles list...
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[bundles addObject: bundle];
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/*
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exportClasses = [paletteInfo objectForKey: @"ExportClasses"];
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if(exportClasses != nil)
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{
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[self importClasses: exportClasses withDictionary: nil];
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}
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exportImages = [paletteInfo objectForKey: @"ExportImages"];
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if(exportImages != nil)
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{
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[self importImages: exportImages withBundle: bundle];
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}
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exportSounds = [paletteInfo objectForKey: @"ExportSounds"];
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if(exportSounds != nil)
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{
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[self importSounds: exportSounds withBundle: bundle];
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}
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subClasses = [paletteInfo objectForKey: @"SubstituteClasses"];
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if(subClasses != nil)
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{
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[substituteClasses addEntriesFromDictionary: subClasses];
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}
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*/
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[plugin didLoad];
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// manage plugin data.
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[pluginsDict setObject: plugin forKey: className];
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[plugins addObject: plugin];
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[pluginNames addObject: className];
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RELEASE(plugin);
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return YES;
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}
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- (id) openPlugin: (id) sender
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{
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NSArray *fileTypes = [NSArray arrayWithObject: @"plugin"];
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NSOpenPanel *oPanel = [NSOpenPanel openPanel];
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int result;
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NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
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NSArray *userPlugins = [defaults arrayForKey: USER_PLUGINS];
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NSMutableArray *newUserPlugins =
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(userPlugins == nil)?[NSMutableArray array]:[NSMutableArray arrayWithArray: userPlugins];
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[oPanel setAllowsMultipleSelection: YES];
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[oPanel setCanChooseFiles: YES];
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[oPanel setCanChooseDirectories: NO];
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result = [oPanel runModalForDirectory: NSHomeDirectory()
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file: nil
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types: fileTypes];
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if (result == NSOKButton)
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{
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NSArray *filesToOpen = [oPanel filenames];
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unsigned count = [filesToOpen count];
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unsigned i;
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for (i = 0; i < count; i++)
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{
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NSString *aFile = [filesToOpen objectAtIndex: i];
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if([self bundlePathIsLoaded: aFile] == YES &&
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[userPlugins containsObject: aFile] == NO)
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{
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[newUserPlugins addObject: aFile];
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}
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else if([self loadPlugin: aFile] == NO)
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{
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return nil;
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}
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else
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{
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[newUserPlugins addObject: aFile];
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}
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}
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// reset the defaults to include the new plugin.
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[defaults setObject: newUserPlugins forKey: USER_PLUGINS];
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return self;
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}
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return nil;
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}
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/*
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- (NSPanel*) panel
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{
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return panel;
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}
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*/
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@end
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