/*

     File: MyWindowController.m 

 Abstract: The sample's main NSWindowController controlling its primary window.

  Version: 1.1 

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 */

#import "MyWindowController.h"

#import "EditController.h"

#define kUse_Bindings_By_Code   0       // this signifies that bindings will be established

                                        // in code instead of from the nib file

@implementation MyWindowController

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

//  awakeFromNib

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

- (void)awakeFromNib

{

    // Your NSTableView's content needs to use Cocoa Bindings,

    // use Interface Builder to setup the bindings like so:

    //

    // Each column in the NSTableView needs to use Cocoa Bindings,

    // use Interface Builder to setup the bindings like so:

    //

    //      columnIdentifier: "firstname"

    //          "value" = arrangedObjects.firstname [NSTableArray (NSArrayController)]

    //              Bind To: "TableArray" object (NSArrayController)

    //              Controller Key = "arrangedObjects"

    //              Model Key Path = "firstname" ("firstname" is a key in "TableArray")

    //

    //      columnIdentifier: "lastname"

    //          "value" = arrangedObjects.lastname [NSTableArray (NSArrayController)]

    //              Bind To: "TableArray" object (NSArrayController)

    //              Controller Key = "arrangedObjects"

    //              Model Key Path = "lastname" ("lastname" is a key in "TableArray")

    //

    //      columnIdentifier: "phone"

    //          "value" = arrangedObjects.phone [NSTableArray (NSArrayController)]

    //              Bind To: "TableArray" object (NSArrayController)

    //              Controller Key = "arrangedObjects"

    //              Model Key Path = "phone" ("phone" is a key in "TableArray")

    //

    // or do bindings by code:

#if kUse_Bindings_By_Code

    NSTableColumn *firstNameColumn = [myTableView tableColumnWithIdentifier:@"firstname"];

    [firstNameColumn bind:@"value" toObject:myContentArray withKeyPath:@"arrangedObjects.firstname" options:nil];

    NSTableColumn *lastNameColumn = [myTableView tableColumnWithIdentifier:@"lastname"];

    [lastNameColumn bind:@"value" toObject:myContentArray withKeyPath:@"arrangedObjects.lastname" options:nil];

    NSTableColumn *phoneColumn = [myTableView tableColumnWithIdentifier:@"phone"];

    [phoneColumn bind:@"value" toObject:myContentArray withKeyPath:@"arrangedObjects.phone" options:nil];

#endif  

    // for NSTableView "double-click row" to work you need to use Cocoa Bindings,

    // use Interface Builder to setup the bindings like so:

    //

    //  NSTableView:

    //      "doubleClickArgument":

    //          Bind To: "TableArray" object (NSArrayController)

    //              Controller Key = "selectedObjects"

    //              Selector Name = "inspect:" (don't forget the ":")

    //

    //      "doubleClickTarget":

    //          Bind To: (File's Owner) MyWindowController

    //              Model Key Path = "self"

    //              Selector Name = "inspect:" (don't forget the ":")

    //

    //  ... also make sure none of the NSTableColumns are "editable".

    //

    // or do bindings by code:

#if kUse_Bindings_By_Code

    NSDictionary *doubleClickOptionsDict = [NSDictionary dictionaryWithObjectsAndKeys:

                                                @"inspect:", @"NSSelectorName",

                                                [NSNumber numberWithBool:YES], @"NSConditionallySetsHidden",

                                                [NSNumber numberWithBool:YES], @"NSRaisesForNotApplicableKeys",

                                                nil];

    [myTableView bind:@"doubleClickArgument" toObject:myContentArray withKeyPath:@"selectedObjects" options:doubleClickOptionsDict];

    [myTableView bind:@"doubleClickTarget" toObject:self withKeyPath:@"self" options:doubleClickOptionsDict];

#endif

    // the enabled states of the two buttons "Add", "Remove" are bound to "canRemove" 

    // use Interface Builder to setup the bindings like so:

    //

    //  NSButton ("Add")

    //      "enabled":

    //          Bind To: "TableArray" object (NSArrayController)

    //              Controller Key = "canAdd"

    //

    //  NSButton ("Remove")

    //      "enabled":

    //          Bind To: "TableArray" object (NSArrayController)

    //              Controller Key = "canRemove"

    //

    // or do bindings by code:

#if kUse_Bindings_By_Code

    NSDictionary *enabledOptionsDict = [NSDictionary dictionaryWithObjectsAndKeys:

                                        [NSNumber numberWithBool:YES], @"NSRaisesForNotApplicableKeys",

                                        nil];

    [addButton bind:@"enabled" toObject:myContentArray withKeyPath:@"canAdd" options:enabledOptionsDict];

    [removeButton bind:@"enabled" toObject:myContentArray withKeyPath:@"canRemove" options:enabledOptionsDict];

#endif

    // the NSForm's text fields is bound to the current selection in the NSTableView's content array controller,

    // use Interface Builder to setup the bindings like so:

    //

    //  NSFormCell:

    //      "value":

    //          Bind To: "TableArray" object (NSArrayController)

    //              Controller Key = "selection"

    //              Model Key Path = "firstname"

    //

    // or do bindings by code:

#if kUse_Bindings_By_Code

    NSDictionary *valueOptionsDict = [NSDictionary dictionaryWithObjectsAndKeys:

                                        [NSNumber numberWithBool:YES], @"NSAllowsEditingMultipleValuesSelection",

                                        [NSNumber numberWithBool:YES], @"NSConditionallySetsEditable",

                                        [NSNumber numberWithBool:YES], @"NSRaisesForNotApplicableKeys",

                                        nil];

    [[myFormFields cellAtIndex: 0] bind:@"value" toObject:myContentArray withKeyPath:@"selection.firstname" options:valueOptionsDict];

    [[myFormFields cellAtIndex: 1] bind:@"value" toObject:myContentArray withKeyPath:@"selection.lastname" options:valueOptionsDict];

    [[myFormFields cellAtIndex: 2] bind:@"value" toObject:myContentArray withKeyPath:@"selection.phone" options:valueOptionsDict];

#endif

    // start listening for selection changes in our NSTableView's array controller

    [myContentArray addObserver: self

                    forKeyPath: @"selectionIndexes"

                    options: NSKeyValueObservingOptionNew

                    context: NULL];

    // finally, add the first record in the table as a default value.

    //

    // note: to allow the external NSForm fields to alter the table view selection through the "value" bindings,

    // added objects to the content array needs to be an "NSMutableDictionary" -

    //

    NSMutableDictionary *dict = [NSMutableDictionary dictionaryWithObjectsAndKeys:

                                     @"Joe", @"firstname",

                                     @"Smith", @"lastname",

                                     @"(444) 444-4444", @"phone",

                                     nil];

    [myContentArray addObject: dict];

    // note: you can turn off column sorting by using the following

    //  [myTableView unbind:@"sortDescriptors"];

}

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

//  observeValueForKeyPath:ofObject:change:context:

//

//  This method demonstrates how to observe selection changes in our NSTableView's

//  array controller.

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

- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context

{

    NSLog(@"Table section changed: keyPath = %@, %@", keyPath, [object selectionIndexes]);

}

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

//  dealloc

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

- (void)dealloc

{

    [myEditController release];

    [super dealloc];

}

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

//  inspect:selectedObjects

//

//  Inspect our selected objects (user double-clicked them).

//

//  Note: this method will not get called until you make all columns in the table

//  as "non-editable".  So long as they are editable, double clicking a row will

//  cause the current cell to be editied.

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

- (void)inspect:(NSArray *)selectedObjects

{

    // handle user double-click

    // this is an example of inspecting each selected object in the selection

    NSUInteger index;

    NSUInteger numItems = [selectedObjects count];

    for (index = 0; index < numItems; index++)

    {

        NSDictionary *objectDict = [selectedObjects objectAtIndex:index];

        if (objectDict != nil)

        {

            NSLog(@"inspect item: {%@ %@, %@}",

                  [objectDict valueForKey:@"firstname"],

                  [objectDict valueForKey:@"lastname"],

                  [objectDict valueForKey:@"phone"]);

        }

    }

    // setup the edit sheet controller if one hasn't been setup already

    if (myEditController == nil)

        myEditController = [[EditController alloc] init];

    // remember which selection index we are changing

    NSUInteger savedSelectionIndex = [myContentArray selectionIndex];

    // get the current selected object and start the edit sheet

    NSDictionary *editItem = [selectedObjects objectAtIndex:0];

    NSDictionary *newValues = [myEditController edit:editItem from:self];

    if (![myEditController wasCancelled])

    {

        // remove the current selection and replace it with the newly edited one

        NSArray *selectedObjects = [myContentArray selectedObjects];

        [myContentArray removeObjects:selectedObjects];

        // make sure to add the new entry at the same selection location as before

        [myContentArray insertObject:newValues atArrangedObjectIndex:savedSelectionIndex];   

    }

}

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

//  add:sender

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

- (IBAction)add:(id)sender

{

    if (myEditController == nil)

        myEditController = [[EditController alloc] init];

    // ask our edit sheet for information on the record we want to add

    NSDictionary *newValues = [myEditController edit:nil from:self];

    if (![myEditController wasCancelled])

    {

        [myContentArray addObject: newValues];

    }

}

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

//  remove:sender

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

- (IBAction)remove:(id)sender

{

    [myContentArray removeObjectAtArrangedObjectIndex:[myContentArray selectionIndex]];

}

@end