ftp.nice.ch/pub/next/developer/resources/classes/FileSaverAndRetriever.s.tar.gz#/FileSaverAndRetrieverSource/Source/FileSaverAndRetrieverInspector.m

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// FileSaverAndRetrieverInspector.m
// By Charles G. Fleming and Judy D. Halchin, 
// Educational Computing Services, Allegheny College.
// Copyright 1992, 1993 Allegheny College
// You may freely copy, distribute and reuse this code. 
// Allegheny College and the authors disclaim any warranty of any kind, 
// expressed or implied, as to its fitness for any particular use.
// This work was partially supported by a grant from the Pew Charitable Trusts
// and by an NSF Teacher Preparation Grant.

#import "FileSaverAndRetrieverInspector.h"
#import "SaverAndRetriever.h"

@implementation FileSaverAndRetrieverInspector

- init
{
	NXBundle *bundle;
	char path[MAXPATHLEN+1];

	[super init];

	bundle = [NXBundle bundleForClass:[self class]];

	[bundle getPath:path forResource:"FileSaverAndRetrieverInspector"
			ofType:"nib"];

	[NXApp loadNibFile:path owner:self withNames:NO fromZone:[self zone]];
	return self;
}

- (BOOL)wantsButtons
{
	return NO;
}

- revert:sender
{
	char *tempDirectory;
	
	tempDirectory = [(FileRetriever *)object directory];
	
	if(strcmp(tempDirectory, "") == 0)
	{
		[userHomeCheckBox setState:1];
		[directoryTextField setStringValue:""];
		[directoryTextField setBackgroundGray:NX_LTGRAY];		
		[directoryTextField setEnabled:NO];
		[homeButton setEnabled:NO];
	}
	else
	{
		[userHomeCheckBox setState:0];
		[directoryTextField setEnabled:YES];
		[directoryTextField setBackgroundGray:NX_WHITE];		
		[directoryTextField setStringValue:tempDirectory];
		[homeButton setEnabled:YES];
	}

	[fileTextField setStringValue:[(FileRetriever *)object filename]];
	return [super revert:sender];
}

- ok:sender
{
	if(sender == fileTextField)
		[(FileRetriever *)object setFilename:(char *)[sender stringValue]];
	else
		[(FileRetriever *)object setDirectory:(char *)[sender stringValue]];	
	return [super ok:sender];
}

- home:sender
{
	const char *home = NXHomeDirectory();

	[directoryTextField setStringValue:home];
	[self ok:directoryTextField];
	return self;
}

// If the switch is checked, have the file saver or retriever use the user's 
// home directory.
- selelectUserHomeDir:sender
{
	if([sender state])
	{
		[(FileRetriever *)object setDirectory:""];
		[directoryTextField setStringValue:""];
		[directoryTextField setEnabled:NO];
		[directoryTextField setBackgroundGray:NX_LTGRAY];
		[homeButton setEnabled:NO];
	}
	else
	{
		[directoryTextField setEnabled:YES];
		[directoryTextField setBackgroundGray:NX_WHITE];
		[homeButton setEnabled:YES];
	}
	return self;
}	

@end

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