/*

 File: BaseWindowController.m

 Abstract: Base class of all window controller.

 Version: 1.0

 Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple, 

 Inc. ("Apple") in consideration of your agreement to the

 following terms, and your use, installation, modification or

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 "Apple Software"), to use, reproduce, modify and redistribute the Apple

 Software, with or without modifications, in source and/or binary forms;

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 text and disclaimers in all such redistributions of the Apple Software. 

 Neither the name, trademarks, service marks or logos of Apple,

 Inc. may be used to endorse or promote products derived from the Apple

 Software without specific prior written permission from Apple.  Except

 as expressly stated in this notice, no other rights or licenses, express

 or implied, are granted by Apple herein, including but not limited to

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 The Apple Software is provided by Apple on an "AS IS" basis.  APPLE

 MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION

 THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS

 FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND

 OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.

 IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL

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 */

#import "BaseWindowController.h"

#import "DataInfo.h"

@implementation BaseWindowController

/////////////// Private routines //////////////////////

- (void)setBusy:(BOOL)yn

{

    busy = yn;

}

- (void)setCancelEnabled:(BOOL)yn

{

    cancelEnabled = yn;

}

- (BOOL)hasCategories

{

    if (topLevelDataInfo) {

        if ([topLevelDataInfo numberOfChildren] > 0) {

            return YES;

        }

        else {

            return NO;

        }

    }

    else {

        return NO;

    }

}

- (void) setUICancellableBusy:(NSString*)statusText

{

    [self setBusy:YES];

    [self setCancelEnabled:YES];

    [trainStatusText setTitleWithMnemonic:statusText];

}

- (void) setUIAllBusy:(NSString*)statusText

{

    [self setBusy:YES];

    [self setCancelEnabled:NO];

    [trainStatusText setTitleWithMnemonic:statusText];

}

- (void) setUIIdle

{

    [self setBusy:NO];

    [self setCancelEnabled:NO];

    [trainStatusText setTitleWithMnemonic:@""];

}

- (void) log:(NSString*) msg

{

    NSRange endRange;

    endRange.location = [[logTextView textStorage] length];

    endRange.length = 0;

    [logTextView replaceCharactersInRange:endRange withString:msg];

    endRange.length = [msg length];

    [logTextView scrollRangeToVisible:endRange];

}

- (void) reloadOutlineView {

    [outlineView reloadData];

    if ([outlineView isItemExpanded:topLevelDataInfo])

        [outlineView collapseItem:topLevelDataInfo];

    [outlineView expandItem:topLevelDataInfo expandChildren:YES];

}

/////////////// NSOutlineView datasource protocol //////////////////////

- (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item {

    if (item == nil) {

        return YES;

    }

    else {

        DataInfo* dataInfo = (DataInfo*)item;

        return ![dataInfo isLeaf];

    }

}

- (int)outlineView:(NSOutlineView*)outlineView numberOfChildrenOfItem:(id)item {

    if (item == nil) {

        return 1;

    }

    else {

        DataInfo* dataInfo = (DataInfo*)item;

        return [dataInfo numberOfChildren];

    }

}

- (id)outlineView:(NSOutlineView*)outlineView child:(int)index ofItem:(id)item {

    if (item == nil)

        return topLevelDataInfo;

    else {

        CategoryDataInfo* dataInfo = (CategoryDataInfo*)item;

        return [dataInfo childAt:index];

    }

}

- (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item

{

    if (item == nil)

        return @"";

    else

        return [item valueForKey:[tableColumn identifier]];

}

@end