ftp.nice.ch/pub/next/developer/objc/iconkit/IconKit.1.2.s.tar.gz#/IconKit-1.2/FileViewer/FileManager.m

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/*

File FileManager.m

Release 1.2, 7 June 1994
Copyright (C) 1994 by H. Scott Roy

This code is part of IconKit, a general toolbox for drag-and-drop applications.  IconKit is free for noncommercial use, but costs money for a commercial license.  You should have received a copy of the license agreement with this file.  If not, a copy of the license and the complete source of IconKit can be obtained from the author:

		H. Scott Roy
		2573 Stowe Ct.
		Northbrook, IL  60062-8103
		iconkit@cs.stanford.edu

For your editing convenience, this file is best viewed using an editor that automatically wraps long lines, in a fixed point font at 80 columns, with tabs every 4 spaces.

*/


/* ========================================================================== */


/*

The FileManager adds a few goodies to the basic IKBrowserManager.  In particular, it can open files in the workspace, and it can open new file viewers rooted at the current selection.

*/


#import "FileManager.h"
#import "AppDelegate.h"


/* ========================================================================== */


/*

The sorting method gets overridden to sort files by name.  Sorting gets done by the built in quicker sort function.

*/


static int
compare_names (const void * one,  const void * two)
{
	id
		A = * ((id *) one),
		B = * ((id *) two);
	
	return strcmp ([A  name], [B  name]);
}


@implementation FileManager


- sort: (id *) files  count: (int) n  for: (int) column
{
	qsort(files, n, sizeof(id), compare_names);
	return self;
}


/* ========================================================================== */


/*

The action method below instructs the AppDelegate to open a file in the workspace.  The file is taken from the current selection.

*/


- openFile: sender
{
	NXRect
		frame;
	id
		iconPath = [browser  iconPath],
		cell = [iconPath  selectedCell],
		file = [cell  delegate];
	
	[iconPath  getCellFrame: &frame  at: 0  : [iconPath  selectedCol]];
	[cell  getIconRect: &frame];
	frame.origin.y += frame.size.height;
	
	[[Application  workspace]  openFile: [file  path]  fromImage: [file  image]
			at: &frame.origin  inView: iconPath];
	
	return self;
}


- openFolder: sender
{
	[appDelegate  newViewerAt: [[[browser  iconPath]  selectedCell]  delegate]];
	return self;
}


/* ========================================================================== */


/*

A FileManager installs itself as its window's delegate so that it can properly free itself when the window closes.

*/


- windowWillClose: sender
{
	[sender  setDelegate: nil];
	[self  free];
	
	return sender;
}


@end

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