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[/] [trunk/] [Source/] [TruePreviewPreferenceValueTransformer.m] - Rev 14

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/*
 * Copyright (c) 2009, Jim Riggs, Christian Serving, L.L.C.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 *       copyright notice, this list of conditions and the following
 *       disclaimer in the documentation and/or other materials provided
 *       with the distribution.
 *     * Neither the name of Christian Serving, L.L.C. nor the names of
 *       its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written
 *       permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#import "TruePreviewPreferenceValueTransformer.h"

@implementation TruePreviewPreferenceValueTransformer

#pragma mark NSValueTransformer class methods

+ (Class)transformedValueClass {
  return [NSNumber class];
}

#pragma mark NSValueTransformer instance methods

- (id)transformedValue:(id)inValue {
  float theValue = [inValue floatValue];
 
  if ((theValue > 0) && (theValue <= TRUEPREVIEW_DELAY_MAX)) {
    return [NSNumber numberWithInt:1];
  }
  else if (
    (theValue == TRUEPREVIEW_DELAY_IMMEDIATE)
    || (theValue == TRUEPREVIEW_DELAY_DEFAULT)
    || (theValue == TRUEPREVIEW_DELAY_NEVER)
  ) {
    return [NSNumber numberWithInt:theValue];
  }
  else {
    return [NSNumber numberWithInt:TRUEPREVIEW_DELAY_DEFAULT];
  }
}

@end

@implementation TruePreviewPreferenceValueTransformerDelay

#pragma mark NSValueTransformer class methods

+ (Class)transformedValueClass {
  return [NSNumber class];
}

#pragma mark NSValueTransformer instance methods

- (id)transformedValue:(id)inValue {
  float theValue = [inValue floatValue];

  if ((theValue <= 0) || (theValue > TRUEPREVIEW_DELAY_MAX)) {
    return nil;
  }
  else {
    return [NSNumber numberWithFloat:theValue];
  }
}

@end

@implementation TruePreviewPreferenceValueTransformerDelayEditIndicator

#pragma mark NSValueTransformer class methods

+ (Class)transformedValueClass {
  return [NSNumber class];
}

#pragma mark NSValueTransformer instance methods

- (id)transformedValue:(id)inValue {
  float theValue = [inValue floatValue];
 
  return [NSNumber numberWithInt:((theValue > 0) && (theValue <= TRUEPREVIEW_DELAY_MAX))];
}

@end
 

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