// ======================================================================================================================

//  MyApplication.m

// ======================================================================================================================

#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