MyApplication.m

/*
 * Copyright (C) 2012 Alasdair Morrison <amorri40@gmail.com> 
 * This file is part of ProductivePDF.
 * ProductivePDF is free software and comes with ABSOLUTELY NO WARRANTY.
 * See LICENSE for details.
 */

#import "MyApplication.h"
#import "MyWindowController.h"


@implementation MyApplication
// ======================================================================================================== MyApplication
// ---------------------------------------------------------------------------------------------------------- findOptions

- (int) findOptions
{
	int		options = 0;
	
	if ([_ignoreCaseCheckbox intValue])
		options = options | NSCaseInsensitiveSearch;
	
	return options;
}

// ------------------------------------------------------------------------------------------------------------- findNext

- (void) findNext: (id) sender
{
	MyWindowController	*controller;
	PDFView				*theView;
	PDFSelection		*selection;
	
	controller = [[self mainWindow] windowController];
	if (controller == NULL)
		return;
	
	theView = [controller pdfView];
	selection = [[theView document] findString: [_findPanelSearchField stringValue] fromSelection: 
			[theView currentSelection] withOptions: [self findOptions]];
	if (selection)
	{
		[theView setCurrentSelection: selection];
		[theView scrollSelectionToVisible: self];
	}
	else
	{
		NSBeep();
	}
}

// ----------------------------------------------------------------------------------------- findNextAndOrderOutFindPanel

- (void) findNextAndOrderOutFindPanel: (id) sender
{
	[self findNext: sender];
	[_findPanel orderOut: self];
}

// --------------------------------------------------------------------------------------------------------- findPrevious

- (void) findPrevious: (id) sender
{
	MyWindowController	*controller;
	PDFView				*theView;
	PDFSelection		*selection;
	
	controller = [[self mainWindow] windowController];
	if (controller == NULL)
		return;
	
	theView = [controller pdfView];
	selection = [[theView document] findString: [_findPanelSearchField stringValue] fromSelection: 
			[theView currentSelection] withOptions: [self findOptions] | NSBackwardsSearch];
	if (selection)
	{
		[theView setCurrentSelection: selection];
		[theView scrollSelectionToVisible: self];
	}
	else
	{
		NSBeep();
	}
}

// ----------------------------------------------------------------------------------------------- performFindPanelAction

- (void) performFindPanelAction: (id) sender
{
	MyWindowController	*controller;
	PDFView				*theView;
	PDFSelection		*selection;
	NSPasteboard		*findPasteboard;
	
	switch ([sender tag])
	{
		case NSFindPanelActionShowFindPanel:
		[_findPanel makeKeyAndOrderFront: self];
		break;
		
		// Select next row.
		case NSFindPanelActionNext:
		[self findNext: sender];
		break;
		
		case NSFindPanelActionPrevious:
		[self findPrevious: sender];
		break;
		
		case NSFindPanelActionReplaceAll:
		case NSFindPanelActionReplace:
		case NSFindPanelActionReplaceAndFind:
		case NSFindPanelActionReplaceAllInSelection:
		NSBeep();
		break;
		
		// Get selected text.
		case NSFindPanelActionSetFindString:
		controller = [[self mainWindow] windowController];
		if (controller)
		{
			theView = [controller pdfView];
			selection = [theView currentSelection];
			if (selection == NULL)
				break;
		}
		
		// Load up on find pasteboard.
		findPasteboard = [NSPasteboard pasteboardWithName: NSFindPboard];
		[findPasteboard declareTypes: [NSArray arrayWithObject: NSStringPboardType] owner: NULL];
		[findPasteboard setString: [selection string] forType: NSStringPboardType];
		
		// Select it.
		[_findPanelSearchField setStringValue: [selection string]];
		break;
		
		case NSFindPanelActionSelectAll:
		case NSFindPanelActionSelectAllInSelection:
		NSBeep();
		break;
	}
}

// ----------------------------------------------------------------------------------------------------- validateMenuItem

- (BOOL) validateMenuItem: (NSMenuItem *) menuItem
{
	BOOL		enable = YES;
	
	if ([menuItem action] == @selector(performFindPanelAction:))
	{
		if ([menuItem tag] != NSFindPanelActionSetFindString)
		{
			NSWindowController	*controller;
			
			// Do we have a window controller (document open)?
			controller = [[self mainWindow] windowController];
			
			// No document: no find, otherwise see that there is text worth searching.
			if (controller == NULL)
			{
				enable = NO;
			}
			else
			{
				if ([menuItem tag] != NSFindPanelActionShowFindPanel)
					enable = ([[_findPanelSearchField stringValue] length] > 0);
			}
		}
	}
	
	return enable;
}

@end