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dupeguru-cocoa/cocoalib/controllers/HSSelectableList.m

108 lines
2.7 KiB
Objective-C

/*
Copyright 2015 Hardcoded Software (http://www.hardcoded.net)
This software is licensed under the "GPLv3" License as described in the "LICENSE" file,
which should be included with this package. The terms are also available at
http://www.gnu.org/licenses/gpl-3.0.html
*/
#import "HSSelectableList.h"
#import "Utils.h"
@implementation HSSelectableList
- (id)initWithPyRef:(PyObject *)aPyRef wrapperClass:(Class)aWrapperClass callbackClassName:(NSString *)aCallbackClassName view:(NSTableView *)aTableView;
{
self = [super initWithPyRef:aPyRef wrapperClass:aWrapperClass callbackClassName:aCallbackClassName view:aTableView];
return self;
}
- (id)initWithPyRef:(PyObject *)aPyRef tableView:(NSTableView *)aTableView
{
self = [self initWithPyRef:aPyRef wrapperClass:[PySelectableList class] callbackClassName:@"SelectableListView" view:aTableView];
return self;
}
- (void)dealloc
{
[items release];
[super dealloc];
}
- (PySelectableList *)model
{
return (PySelectableList *)model;
}
- (NSTableView *)view
{
return (NSTableView *)view;
}
- (void)setView:(NSTableView *)aTableView
{
if ([self view] != nil) {
[[self view] setDataSource:nil];
[[self view] setDelegate:nil];
}
[super setView:aTableView];
if (aTableView != nil) {
[aTableView setDataSource:self];
[aTableView setDelegate:self];
[self refresh];
}
}
/* Private */
- (void)setPySelection
{
NSArray *selection = [Utils indexSet2Array:[[self view] selectedRowIndexes]];
NSArray *pyselection = [[self model] selectedIndexes];
if (![selection isEqualTo:pyselection]) {
[[self model] selectIndexes:selection];
}
}
- (void)setViewSelection
{
NSIndexSet *selection = [Utils array2IndexSet:[[self model] selectedIndexes]];
[[self view] selectRowIndexes:selection byExtendingSelection:NO];
}
/* Data source */
- (NSInteger)numberOfRowsInTableView:(NSTableView *)tableView
{
return [items count];
}
- (id)tableView:(NSTableView *)tableView objectValueForTableColumn:(NSTableColumn *)column row:(NSInteger)row
{
// Cocoa's typeselect mechanism can call us with an out-of-range row
if (row >= [items count]) {
return @"";
}
return [items objectAtIndex:row];
}
- (void)tableViewSelectionDidChange:(NSNotification *)notification
{
[self setPySelection];
}
/* Public */
- (void)refresh
{
// If we just deleted the last item, we want to update the selection before we reload
[items release];
items = [[[self model] items] retain];
[[self view] reloadData];
[self setViewSelection];
}
- (void)updateSelection
{
NSIndexSet *selection = [NSIndexSet indexSetWithIndex:[[self model] selectedIndex]];
[[self view] selectRowIndexes:selection byExtendingSelection:NO];
}
@end