MyWindowController.m

/*

     File: MyWindowController.m 

 Abstract: Sample's main NSWindowController "TestWindow"

  Version: 1.1 

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 */

#import "MyWindowController.h"

@implementation MyWindowController

// -------------------------------------------------------------------------------

//  dealloc:

// -------------------------------------------------------------------------------

- (void)dealloc

{

    [builtInKeywords release];

    [allKeywords release];

    [super dealloc];

}

// -------------------------------------------------------------------------------

//  awakeFromNib:

// -------------------------------------------------------------------------------

- (void)awakeFromNib

{

    // add the searchMenu to this control, allowing recent searches to be added.

    //

    // note that we could build this menu inside our nib, but for clarity we're

    // building the menu in code to illustrate the use of tags:

    //      NSSearchFieldRecentsTitleMenuItemTag, NSSearchFieldNoRecentsMenuItemTag, etc.

    //

    if ([searchField respondsToSelector: @selector(setRecentSearches:)])

    {

        NSMenu *searchMenu = [[[NSMenu alloc] initWithTitle:@"Search Menu"] autorelease];

        [searchMenu setAutoenablesItems:YES];

        // first add our custom menu item (Important note: "action" MUST be valid or the menu item is disabled)

        NSMenuItem *item = [[NSMenuItem alloc] initWithTitle:@"Custom" action:@selector(actionMenuItem:) keyEquivalent:@""];

        [item setTarget: self];

        [searchMenu insertItem:item atIndex:0];

        [item release];

        // add our own separator to keep our custom menu separate

        NSMenuItem *separator =  [NSMenuItem separatorItem];

        [searchMenu insertItem:separator atIndex:1];

        NSMenuItem *recentsTitleItem = [[NSMenuItem alloc] initWithTitle:@"Recent Searches" action:nil keyEquivalent:@""];

        // tag this menu item so NSSearchField can use it and respond to it appropriately

        [recentsTitleItem setTag:NSSearchFieldRecentsTitleMenuItemTag];

        [searchMenu insertItem:recentsTitleItem atIndex:2];

        [recentsTitleItem release];

        NSMenuItem *norecentsTitleItem = [[NSMenuItem alloc] initWithTitle:@"No recent searches" action:nil keyEquivalent:@""];

        // tag this menu item so NSSearchField can use it and respond to it appropriately

        [norecentsTitleItem setTag:NSSearchFieldNoRecentsMenuItemTag];

        [searchMenu insertItem:norecentsTitleItem atIndex:3];

        [norecentsTitleItem release];

        NSMenuItem *recentsItem = [[NSMenuItem alloc] initWithTitle:@"Recents" action:nil keyEquivalent:@""];

        // tag this menu item so NSSearchField can use it and respond to it appropriately

        [recentsItem setTag:NSSearchFieldRecentsMenuItemTag];   

        [searchMenu insertItem:recentsItem atIndex:4];

        [recentsItem release];

        NSMenuItem *separatorItem = (NSMenuItem*)[NSMenuItem separatorItem];

        // tag this menu item so NSSearchField can use it, by hiding/show it appropriately:

        [separatorItem setTag:NSSearchFieldRecentsTitleMenuItemTag];

        [searchMenu insertItem:separatorItem atIndex:5];

        NSMenuItem *clearItem = [[NSMenuItem alloc] initWithTitle:@"Clear" action:nil keyEquivalent:@""];

        [clearItem setTag:NSSearchFieldClearRecentsMenuItemTag];    // tag this menu item so NSSearchField can use it

        [searchMenu insertItem:clearItem atIndex:6];

        [clearItem release];

        id searchCell = [searchField cell];

        [searchCell setMaximumRecents:20];

        [searchCell setSearchMenuTemplate:searchMenu];

    }

    // build the list of keyword strings for our type completion dropdown list in NSSearchField

    builtInKeywords = [[NSMutableArray alloc] initWithObjects:

                    @"Favorite", @"Favorite1", @"Favorite11", @"Favorite3", @"Vacations1", @"Vacations2",

                    @"Hawaii", @"Family", @"Important", @"Important2",@"Personal", nil];

}

// -------------------------------------------------------------------------------

//  applicationShouldTerminateAfterLastWindowClosed:

//

//  NSApplication delegate method placed here so the sample conveniently quits

//  after we close the window.

// -------------------------------------------------------------------------------

- (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)sender

{

    return YES;

}

#pragma mark -

#pragma mark Custom sheet

// -------------------------------------------------------------------------------

//  sheetDidEnd:sheet:returnCode:returnCode:contextInfo:

// -------------------------------------------------------------------------------

- (void)sheetDidEnd:(NSWindow *)sheet returnCode:(int)returnCode contextInfo:(void *)contextInfo;

{

    [sheet orderOut:self];

}

// -------------------------------------------------------------------------------

//  sheetDoneButtonAction:

// -------------------------------------------------------------------------------

- (IBAction)sheetDoneButtonAction:(id)sender

{

    [NSApp endSheet:simpleSheet];

}

// -------------------------------------------------------------------------------

//  actionMenuItem:

// -------------------------------------------------------------------------------

- (IBAction)actionMenuItem:(id)sender

{

    [NSApp beginSheet:simpleSheet modalForWindow:[self window] modalDelegate:self

                didEndSelector:@selector(sheetDidEnd:returnCode:contextInfo:) contextInfo:nil];

}

#pragma mark -

#pragma mark Keyword search handling

// -------------------------------------------------------------------------------

//  allKeywords:

//

//  This method builds our keyword array for use in type completion (dropdown list

//  in NSSearchField).

// -------------------------------------------------------------------------------

- (NSArray *)allKeywords

{

    NSArray *array = [[[NSArray alloc] init] autorelease];

    unsigned int i,count;

    if (allKeywords == nil)

    {

        allKeywords = [builtInKeywords mutableCopy];

        if (array != nil)

        {

            count = [array count];

            for (i=0; i<count; i++)

            {

                if ([allKeywords indexOfObject:[array objectAtIndex:i]] == NSNotFound)

                    [allKeywords addObject:[array objectAtIndex:i]];

            }

        }

        [allKeywords sortUsingSelector:@selector(compare:)];

    }

    return allKeywords;

}

// -------------------------------------------------------------------------------

//  control:textView:completions:forPartialWordRange:indexOfSelectedItem:

//

//  Use this method to override NSFieldEditor's default matches (which is a much bigger

//  list of keywords).  By not implementing this method, you will then get back

//  NSSearchField's default feature.

// -------------------------------------------------------------------------------

- (NSArray *)control:(NSControl *)control textView:(NSTextView *)textView completions:(NSArray *)words

                            forPartialWordRange:(NSRange)charRange indexOfSelectedItem:(int*)index

{

    NSMutableArray* matches = NULL;

    NSString*       partialString;

    NSArray*        keywords;

    unsigned int    i,count;

    NSString*       string;

    partialString = [[textView string] substringWithRange:charRange];

    keywords      = [self allKeywords];

    count         = [keywords count];

    matches       = [NSMutableArray array];

    // find any match in our keyword array against what was typed -

    for (i=0; i< count; i++)

    {

        string = [keywords objectAtIndex:i];

        if ([string rangeOfString:partialString

                          options:NSAnchoredSearch | NSCaseInsensitiveSearch

                            range:NSMakeRange(0, [string length])].location != NSNotFound)

        {

            [matches addObject:string];

        }

    }

    [matches sortUsingSelector:@selector(compare:)];

    return matches;

}

// -------------------------------------------------------------------------------

//  controlTextDidChange:

//

//  The text in NSSearchField has changed, try to attempt type completion.

// -------------------------------------------------------------------------------

- (void)controlTextDidChange:(NSNotification *)obj

{

    NSTextView* textView = [[obj userInfo] objectForKey:@"NSFieldEditor"];

    if (!completePosting && !commandHandling)   // prevent calling "complete" too often

    {

        completePosting = YES;

        [textView complete:nil];

        completePosting = NO;

    }

}

// -------------------------------------------------------------------------------

//  control:textView:commandSelector

//

//  Handle all commend selectors that we can handle here

// -------------------------------------------------------------------------------

- (BOOL)control:(NSControl *)control textView:(NSTextView *)textView doCommandBySelector:(SEL)commandSelector

{

    BOOL result = NO;

    if ([textView respondsToSelector:commandSelector])

    {

        commandHandling = YES;

        [textView performSelector:commandSelector withObject:nil];

        commandHandling = NO;

        result = YES;

    }

    return result;

}

@end