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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
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<a href="http://developer.apple.com/">ADC Home</a> > <a href="../../referencelibrary/index.html">Reference Library</a> > <a href="../../samplecode/index.html">Sample Code</a> > <a href="../../samplecode/GraphicsImaging/index.html">Graphics & Imaging</a> > <a href="../../samplecode/GraphicsImaging/idxVideo-date.html">Video</a> > <A HREF="javascript:location.replace('index.html');">QTCoreVideo103</A> >
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<td><h1><div id="pagehead">QTCoreVideo103</div></h1></td>
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<h2>/Classes/Alert/AlertPanelKit.m</h2>
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<p><strong>View Source Code:</strong>
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<p><strong><a href="QTCoreVideo103.zip">Download Sample</a></strong> (“QTCoreVideo103.zip”, 969.8K)<BR>
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<!--googleon: index -->
<pre class="sourcecodebox">//---------------------------------------------------------------------------
//
// File: AlertPanelKit.m
//
// Abstract: Class that implements a utility toolkit for alerts.
//
// Disclaimer: IMPORTANT: This Apple software is supplied to you by
// Apple Inc. ("Apple") in consideration of your agreement to the
// following terms, and your use, installation, modification or
// redistribution of this Apple software constitutes acceptance of these
// terms. If you do not agree with these terms, please do not use,
// install, modify or redistribute this Apple software.
//
// In consideration of your agreement to abide by the following terms, and
// subject to these terms, Apple grants you a personal, non-exclusive
// license, under Apple's copyrights in this original Apple software (the
// "Apple Software"), to use, reproduce, modify and redistribute the Apple
// Software, with or without modifications, in source and/or binary forms;
// provided that if you redistribute the Apple Software in its entirety and
// without modifications, you must retain this notice and the following
// text and disclaimers in all such redistributions of the Apple Software.
// Neither the name, trademarks, service marks or logos of Apple Inc.
// may be used to endorse or promote products derived from the Apple
// Software without specific prior written permission from Apple. Except
// as expressly stated in this notice, no other rights or licenses, express
// or implied, are granted by Apple herein, including but not limited to
// any patent rights that may be infringed by your derivative works or by
// other works in which the Apple Software may be incorporated.
//
// The Apple Software is provided by Apple on an "AS IS" basis. APPLE
// MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
// THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND
// OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
//
// IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL
// OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION,
// MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED
// AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE),
// STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Copyright (c) 2008 Apple Inc., All rights reserved.
//
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
#include "Alert.h"
#import "AlertPanelKit.h"
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
@implementation AlertPanelKit
//---------------------------------------------------------------------------
- (id) initWithTitle:(NSString *)theAlertTitle
message:(NSString *)theAlertMessage
exit:(const BOOL)theExitOnError
{
self = [super init];
if ( self )
{
if ( theAlertTitle )
{
alertTitle = [[NSString alloc] initWithString:theAlertTitle];
} // if
else
{
alertTitle = [[NSString alloc] initWithString:@"Alert From the Application or a Toolkit"];
} // else
if ( theAlertMessage )
{
alertMessage = [[NSString alloc] initWithString:theAlertMessage];
} // if
else
{
alertMessage = [[NSString alloc] initWithString:@"Unkown Condition"];
} // else
exitOnError = theExitOnError;
} // if
return self;
} // initWithTitle
//------------------------------------------------------------------------
+ (id) withTitle:(NSString *)theAlertTitle
message:(NSString *)theAlertMessage
exit:(const BOOL)theExitOnErrorFlag
{
return [[[AlertPanelKit allocWithZone:[self zone]]
initWithTitle:theAlertTitle
message:theAlertMessage
exit:theExitOnErrorFlag] autorelease];
} // withTitle
//------------------------------------------------------------------------
- (void) dealloc
{
if ( alertTitle )
{
[alertTitle release];
alertTitle = nil;
} // if
if ( alertMessage )
{
[alertMessage release];
alertMessage = nil;
} // if
[super dealloc];
} // dealloc
//------------------------------------------------------------------------
//------------------------------------------------------------------------
- (void) setAlertTitle:(NSString *)theAlertTitle
{
NSComparisonResult stringCmpResult = [alertTitle compare:theAlertTitle];
if ( stringCmpResult != NSOrderedSame )
{
[alertTitle release];
alertTitle = [theAlertTitle retain];
}
} // setAlertTitle
//------------------------------------------------------------------------
- (void) setAlertMessage:(NSString *)theAlertMessage
{
NSComparisonResult stringCmpResult = [alertMessage compare:theAlertMessage];
if ( stringCmpResult != NSOrderedSame )
{
[alertMessage release];
alertMessage = [theAlertMessage retain];
}
} // setAlertMessage
//------------------------------------------------------------------------
- (void) setExitOnError:(const BOOL)theExitOnErrorFlag
{
exitOnError = theExitOnErrorFlag;
} // setExitOnError
//------------------------------------------------------------------------
//------------------------------------------------------------------------
- (void) displayAlertPanel
{
if ( !exitOnError )
{
DisplayAlert( alertTitle, alertMessage );
} // if
else
{
DisplayAlertAndExit( alertTitle, alertMessage );
} // else
} // displayAlertPanel
//------------------------------------------------------------------------
- (void) displayAlertPanelWithError:(const NSInteger)theAlertError
{
if ( !exitOnError )
{
DisplayAlertWithError( alertTitle, alertMessage, theAlertError );
} // if
else
{
DisplayAlertWithErrorAndExit( alertTitle, alertMessage, theAlertError );
} // else
} // displayAlertPanelWithError
//------------------------------------------------------------------------
@end
//------------------------------------------------------------------------
//------------------------------------------------------------------------
</pre>
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