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https://github.com/cappuccino/cappuccino.git
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Initial commit.
Reviewed by francisco, ross and tom.
This commit is contained in:
Francisco Ryan Tolmasky I committed
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/*
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* CPDocument.j
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* AppKit
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*
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* Created by Francisco Tolmasky.
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* Copyright 2008, 280 North, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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import <Foundation/CPString.j>
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import <Foundation/CPArray.j>
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import "CPResponder.j"
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import "CPWindowController.j"
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CPSaveOperation = 0;
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CPSaveAsOperation = 1;
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CPSaveToOperation = 2;
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CPAutosaveOperation = 3;
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CPChangeDone = 0;
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CPChangeUndone = 1;
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CPChangeCleared = 2;
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CPChangeReadOtherContents = 3;
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CPChangeAutosaved = 4;
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CPDocumentWillSaveNotification = @"CPDocumentWillSaveNotification";
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CPDocumentDidSaveNotification = @"CPDocumentDidSaveNotification";
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CPDocumentDidFailToSaveNotification = @"CPDocumentDidFailToSaveNotification";
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var CPDocumentUntitledCount = 0;
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@implementation CPDocument : CPResponder
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{
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CPURL _fileURL;
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CPString _fileType;
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CPArray _windowControllers;
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unsigned _untitledDocumentIndex;
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BOOL _hasUndoManager;
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CPUndoManager _undoManager;
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int _changeCount;
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CPURLConnection _readConnection;
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CPURLRequest _writeRequest;
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}
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- (id)init
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{
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self = [super init];
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if (self)
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{
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_windowControllers = [];
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_hasUndoManager = YES;
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_changeCount = 0;
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[self setNextResponder:CPApp];
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}
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return self;
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}
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- (id)initWithType:(CPString)aType error:({CPError})anError
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{
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self = [self init];
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if (self)
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[self setFileType:aType];
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return self;
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}
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- (id)initWithContentsOfURL:(CPURL)anAbsoluteURL ofType:(CPString)aType delegate:(id)aDelegate didReadSelector:(SEL)aDidReadSelector contextInfo:(id)aContextInfo
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{
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self = [self init];
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if (self)
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{
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[self readFromURL:anAbsoluteURL ofType:aType delegate:aDelegate didReadSelector:aDidReadSelector contextInfo:aContextInfo];
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[self setFileURL:anAbsoluteURL];
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[self setFileType:aType];
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}
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return self;
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}
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- (id)initForURL:(CPURL)anAbsoluteURL withContentsOfURL:(CPURL)absoluteContentsURL ofType:(CPString)aType delegate:(id)aDelegate didReadSelector:(SEL)aDidReadSelector contextInfo:(id)aContextInfo
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{
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self = [self init];
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if (self)
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{
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[self readFromURL:absoluteContentsURL ofType:aType delegate:aDelegate didReadSelector:aDidReadSelector contextInfo:aContextInfo];
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[self setFileURL:anAbsoluteURL];
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[self setFileType:aType];
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}
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return self;
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}
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- (CPData)dataOfType:(CPString)aType error:({CPError})anError
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{
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// FIXME: Throw Exception.
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return nil;
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}
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- (void)readFromData:(CPData)aData ofType:(CPString)aType error:(CPError)anError
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{
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}
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// Creating and managing window controllers
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- (void)makeWindowControllers
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{
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var controller = [[CPWindowController alloc] initWithWindowCibName:nil];
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[self addWindowController:controller];
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}
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- (CPArray)windowControllers
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{
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return _windowControllers;
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}
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- (void)addWindowController:(CPWindowController)aWindowController
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{
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[_windowControllers addObject:aWindowController];
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if ([aWindowController document] != self)
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{
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[aWindowController setNextResponder:self];
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[aWindowController setDocument:self];
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}
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}
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// Managing Document Windows
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- (void)showWindows
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{
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[_windowControllers makeObjectsPerformSelector:@selector(showWindow:) withObject:self];
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}
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- (CPString)displayName
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{
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// FIXME: By default, return last path component of fileURL
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if (!_untitledDocumentIndex)
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_untitledDocumentIndex = ++CPDocumentUntitledCount;
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if (_untitledDocumentIndex == 1)
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return @"Untitled";
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return @"Untitled " + _untitledDocumentIndex;
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}
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- (CPString)windowCibName
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{
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return nil;
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}
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- (void)windowControllerDidLoadNib:(CPWindowController)aWindowController
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{
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}
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- (void)windowControllerWillLoadNib:(CPWindowController)aWindowController
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{
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}
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// Reading from and Writing to URLs
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- (void)readFromURL:(CPURL)anAbsoluteURL ofType:(CPString)aType delegate:(id)aDelegate didReadSelector:(SEL)aDidReadSelector contextInfo:(id)aContextInfo
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{
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[_readConnection cancel];
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// FIXME: Oh man is this every looking for trouble, we need to handle login at the Cappuccino level, with HTTP Errors.
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_readConnection = [CPURLConnection connectionWithRequest:[CPURLRequest requestWithURL:anAbsoluteURL] delegate:self];
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_readConnection.session = _CPReadSessionMake(aType, aDelegate, aDidReadSelector, aContextInfo);
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}
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- (CPURL)fileURL
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{
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return _fileURL;
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}
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- (void)setFileURL:(CPURL)aFileURL
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{
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if (_fileURL == aFileURL)
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return;
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_fileURL = aFileURL;
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[_windowControllers makeObjectsPerformSelector:@selector(synchronizeWindowTitleWithDocumentName)];
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}
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- (void)saveToURL:(CPURL)anAbsoluteURL ofType:(CPString)aTypeName forSaveOperation:(CPSaveOperationType)aSaveOperation delegate:(id)aDelegate didSaveSelector:(SEL)aDidSaveSelector contextInfo:(id)aContextInfo
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{
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var data = [self dataOfType:[self fileType] error:nil],
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oldChangeCount = _changeCount;
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_writeRequest = [CPURLRequest requestWithURL:anAbsoluteURL];
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[_writeRequest setHTTPMethod:@"POST"];
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[_writeRequest setHTTPBody:[data string]];
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[_writeRequest setValue:@"close" forHTTPHeaderField:@"Connection"];
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if (aSaveOperation == CPSaveOperation)
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[_writeRequest setValue:@"true" forHTTPHeaderField:@"x-cappuccino-overwrite"];
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if (aSaveOperation != CPSaveToOperation)
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[self updateChangeCount:CPChangeCleared];
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// FIXME: Oh man is this every looking for trouble, we need to handle login at the Cappuccino level, with HTTP Errors.
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var connection = [CPURLConnection connectionWithRequest:_writeRequest delegate:self];
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connection.session = _CPSaveSessionMake(anAbsoluteURL, aSaveOperation, oldChangeCount, aDelegate, aDidSaveSelector, aContextInfo, connection);
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}
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- (void)connection:(CPURLConnection)aConnection didReceiveResponse:(CPURLResponse)aResponse
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{
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var statusCode = [aResponse statusCode];
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// Nothing to do if everything is hunky dory.
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if (statusCode == 200)
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return;
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var session = aConnection.session;
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if (aConnection == _readConnection)
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{
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[aConnection cancel];
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alert("There was an error retrieving the document.");
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objj_msgSend(session.delegate, session.didReadSelector, self, NO, session.contextInfo);
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}
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else
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{
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// 409: Conflict, in Cappuccino, overwrite protection for documents.
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if (statusCode == 409)
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{
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[aConnection cancel];
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if (confirm("There already exists a file with that name, would you like to overwrite it?"))
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{
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[_writeRequest setValue:@"true" forHTTPHeaderField:@"x-cappuccino-overwrite"];
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[aConnection start];
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}
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else
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{
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if (session.saveOperation != CPSaveToOperation)
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{
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_changeCount += session.changeCount;
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[_windowControllers makeObjectsPerformSelector:@selector(setDocumentEdited:) withObject:[self isDocumentEdited]];
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}
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_writeRequest = nil;
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objj_msgSend(session.delegate, session.didSaveSelector, self, NO, session.contextInfo);
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}
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}
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}
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}
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- (void)connection:(CPURLConnection)aConnection didReceiveData:(CPString)aData
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{
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var session = aConnection.session;
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// READ
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if (aConnection == _readConnection)
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{
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[self readFromData:[CPData dataWithString:aData] ofType:session.fileType error:nil];
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objj_msgSend(session.delegate, session.didReadSelector, self, YES, session.contextInfo);
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}
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else
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{
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if (session.saveOperation != CPSaveToOperation)
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[self setFileURL:session.absoluteURL];
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_writeRequest = nil;
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objj_msgSend(session.delegate, session.didSaveSelector, self, YES, session.contextInfo);
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}
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}
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- (void)connection:(CPURLConnection)aConnection didFailWithError:(CPError)anError
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{
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var session = aConnection.session;
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if (_readConnection == aConnection)
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objj_msgSend(session.delegate, session.didReadSelector, self, NO, session.contextInfo);
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else
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{
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if (session.saveOperation != CPSaveToOperation)
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{
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_changeCount += session.changeCount;
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[_windowControllers makeObjectsPerformSelector:@selector(setDocumentEdited:) withObject:[self isDocumentEdited]];
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}
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_writeRequest = nil;
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alert("There was an error saving the document.");
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objj_msgSend(session.delegate, session.didSaveSelector, self, NO, session.contextInfo);
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}
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}
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- (void)connectionDidFinishLoading:(CPURLConnection)aConnection
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{
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if (_readConnection == aConnection)
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_readConnection = nil;
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}
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// Managing Document Status
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- (BOOL)isDocumentEdited
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{
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return _changeCount != 0;
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}
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- (void)updateChangeCount:(CPDocumentChangeType)aChangeType
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{
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if (aChangeType == CPChangeDone)
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++_changeCount;
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else if (aChangeType == CPChangeUndone)
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--_changeCount;
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else if (aChangeType == CPChangeCleared)
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_changeCount = 0;
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/*else if (aChangeType == CPCHangeReadOtherContents)
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else if (aChangeType == CPChangeAutosaved)*/
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[_windowControllers makeObjectsPerformSelector:@selector(setDocumentEdited:) withObject:[self isDocumentEdited]];
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}
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// Managing File Types
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- (void)setFileType:(CPString)aType
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{
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_fileType = aType;
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}
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- (CPString)fileType
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{
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return _fileType;
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}
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// Working with Undo Manager
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- (BOOL)hasUndoManager
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{
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return _hasUndoManager;
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}
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- (void)setHashUndoManager:(BOOL)aFlag
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{
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if (_hasUndoManager == aFlag)
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return;
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_hasUndoManager = aFlag;
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if (!_hasUndoManager)
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[self setUndoManager:nil];
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}
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- (void)_undoManagerWillCloseGroup:(CPNotification)aNotification
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{
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var undoManager = [aNotification object];
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if ([undoManager isUndoing] || [undoManager isRedoing])
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return;
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[self updateChangeCount:CPChangeDone];
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}
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- (void)_undoManagerDidUndoChange:(CPNotification)aNotification
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{
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[self updateChangeCount:CPChangeUndone];
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}
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- (void)_undoManagerDidRedoChange:(CPNotification)aNotification
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{
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[self updateChangeCount:CPChangeDone];
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}
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- (void)setUndoManager:(CPUndoManager)anUndoManager
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{
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var defaultCenter = [CPNotificationCenter defaultCenter];
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if (_undoManager)
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{
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[defaultCenter removeObserver:self
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name:CPUndoManagerDidUndoChangeNotification
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object:_undoManager];
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[defaultCenter removeObserver:self
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name:CPUndoManagerDidRedoChangeNotification
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object:_undoManager];
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[defaultCenter removeObserver:self
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name:CPUndoManagerWillCloseUndoGroupNotification
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object:_undoManager];
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}
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_undoManager = anUndoManager;
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if (_undoManager)
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{
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[defaultCenter addObserver:self
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selector:@selector(_undoManagerDidUndoChange:)
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name:CPUndoManagerDidUndoChangeNotification
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object:_undoManager];
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[defaultCenter addObserver:self
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selector:@selector(_undoManagerDidRedoChange:)
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name:CPUndoManagerDidRedoChangeNotification
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object:_undoManager];
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[defaultCenter addObserver:self
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selector:@selector(_undoManagerWillCloseGroup:)
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name:CPUndoManagerWillCloseUndoGroupNotification
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object:_undoManager];
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}
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}
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- (CPUndoManager)undoManager
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{
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if (_hasUndoManager && !_undoManager)
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[self setUndoManager:[[CPUndoManager alloc] init]];
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return _undoManager;
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}
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- (CPUndoManager)windowWillReturnUndoManager:(CPWindow)aWindow
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{
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return [self undoManager];
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}
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// Handling User Actions
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- (void)saveDocument:(id)aSender
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{
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if (_fileURL)
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{
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[[CPNotificationCenter defaultCenter]
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postNotificationName:CPDocumentWillSaveNotification
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object:self];
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[self saveToURL:_fileURL ofType:[self fileType] forSaveOperation:CPSaveOperation delegate:self didSaveSelector:@selector(document:didSave:contextInfo:) contextInfo:NULL];
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}
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else
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[self saveDocumentAs:self];
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}
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- (void)saveDocumentAs:(id)aSender
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||||
{
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_documentName = window.prompt("Document Name:");
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if (!_documentName)
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return;
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[[CPNotificationCenter defaultCenter]
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postNotificationName:CPDocumentWillSaveNotification
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object:self];
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[self saveToURL:[self proposedFileURL] ofType:[self fileType] forSaveOperation:CPSaveAsOperation delegate:self didSaveSelector:@selector(document:didSave:contextInfo:) contextInfo:NULL];
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}
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- (void)document:(id)aDocument didSave:(BOOL)didSave contextInfo:(id)aContextInfo
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{
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if (didSave)
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[[CPNotificationCenter defaultCenter]
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postNotificationName:CPDocumentDidSaveNotification
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object:self];
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else
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[[CPNotificationCenter defaultCenter]
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postNotificationName:CPDocumentDidFailToSaveNotification
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||||
object:self];
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||||
}
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||||
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@end
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||||
var _CPReadSessionMake = function(aType, aDelegate, aDidReadSelector, aContextInfo)
|
||||
{
|
||||
return { fileType:aType, delegate:aDelegate, didReadSelector:aDidReadSelector, contextInfo:aContextInfo };
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||||
}
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||||
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||||
var _CPSaveSessionMake = function(anAbsoluteURL, aSaveOperation, aChangeCount, aDelegate, aDidSaveSelector, aContextInfo, aConnection)
|
||||
{
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return { absoluteURL:anAbsoluteURL, saveOperation:aSaveOperation, changeCount:aChangeCount, delegate:aDelegate, didSaveSelector:aDidSaveSelector, contextInfo:aContextInfo, connection:aConnection };
|
||||
}
|
||||
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Block a user