/*
    This file is part of "psdrecover", a File Format
    plugin for Adobe Photoshop
    Copyright (C) 2011 Toby Thain, toby@telegraphics.com.au

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by  
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License  
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

// Loosely based on Dissolve sample plugin, CS5 SDK

#ifdef __x86_64__

#import "PsdExtractChooseLayerController.h"

#include "../psdrecover.h"
#include "../ui.h"

extern int *layermap;
	
@implementation PsdExtractChooseLayerController

- (id) init {
    self = [super init];

    // initialize NSApplication, using an entry point that is specific to 
	// bundles this is a no-op for Cocoa apps, but is required by Carbon apps
    //NSApplicationLoad();
	
    if (![NSBundle loadNibNamed:@"PsdExtractChooseLayer" owner:self])
        NSLog(@"failed to load PsdExtractChooseLayer xib");

    return self;
}

- (int) showWindow {
	extern struct psd_header header;
	char s[0x100];
	int i, j;

	// set up the dialog contents
    [promptField setStringValue:
		[NSString stringWithFormat:@"The file contains %d layer%s.",
			header.nlayers, header.nlayers > 1 ? "s" : ""]];

	[layersPopup removeAllItems];

	[layersPopup addItemWithTitle:@"Merged image"];
	layermap = malloc(header.nlayers*sizeof(int));
	layermap[0] = 0;
	j = 1;
	for(i = 0; i < header.nlayers; ++i){
		psd_pixels_t w = header.linfo[i].right - header.linfo[i].left,
					 h = header.linfo[i].bottom - header.linfo[i].top;
		// skip layers with zero width or height
		if(w && h){
			sprintf(s,"Layer %d: \"%s\" (%u x %u)", i+1, header.linfo[i].name, w, h);
			[layersPopup addItemWithTitle:[NSString stringWithCString:s]];
			layermap[j++] = i+1;
		}
	}

	int b = [[NSApplication sharedApplication] runModalForWindow:pickLayerWindow];
	[pickLayerWindow orderOut:self];
	free(layermap);
	return b;
}

- (IBAction)pickLayer:(id)sender {
	whichlayer = layermap[ [layersPopup indexOfSelectedItem] ];
}

- (IBAction)okAction:(id)sender {
	[[NSApplication sharedApplication] stopModalWithCode:1];
}

- (IBAction)cancelAction:(id)sender {
	[[NSApplication sharedApplication] stopModalWithCode:0];
}

@end

static PsdExtractChooseLayerController *gController = NULL;

Boolean picklayerdialog(FormatRecordPtr pb){
	if(!gController)
		gController = [[PsdExtractChooseLayerController alloc] init];
	return [gController showWindow];
}

#endif