mirror of
https://github.com/cappuccino/cappuccino.git
synced 2026-08-25 21:17:03 +00:00
Alexander Ljungberg
31d57b0c37
Before the table view would send a CPTableViewSelectionDidChangeNotification whenever the number of rows in the table decreased, regardless of if any selected rows actually became deselected. This could be a needless performance drain in the common case where other program components update and reload on selection changes in a table or outline view.
92 lines
3.1 KiB
Plaintext
92 lines
3.1 KiB
Plaintext
@import <AppKit/AppKit.j>
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@implementation CPTableViewTest : OJTestCase
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{
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CPTableView tableView;
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CPTableColumn tableColumn;
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CPArray tableEntries;
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BOOL doubleActionReceived;
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int selectionDidChangeNotificationsReceived;
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}
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- (void)setUp
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{
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// setup a reasonable table
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tableView = [[CPTableView alloc] initWithFrame:CGRectMake(0, 0, 100, 100)];
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tableColumn = [[CPTableColumn alloc] initWithIdentifier:@"Foo"];
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[tableView addTableColumn:tableColumn];
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}
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- (void)testDoubleAction
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{
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doubleActionReceived = NO;
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[tableView setTarget:self];
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[tableView setDoubleAction:@selector(doubleAction:)];
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// CPEvent with 2 clickCount
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var dblClk = [CPEvent mouseEventWithType:CPLeftMouseUp location:CGPointMake(50, 50) modifierFlags:0
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timestamp:0 windowNumber:0 context:nil eventNumber:0 clickCount:2 pressure:0];
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[[CPApplication sharedApplication] sendEvent:dblClk];
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[tableView trackMouse:dblClk];
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[self assertTrue:doubleActionReceived];
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}
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- (void)doubleAction:(id)sender
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{
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doubleActionReceived = YES;
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}
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/*!
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Test that proper notifications are sent - or not sent - during the course of a table data
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change which might affect the selection.
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*/
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- (void)testNumberOfRowsChangedSelectionNotification
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{
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tableEntries = ["A", "B", "C"];
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[tableView setDataSource:self];
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selectionDidChangeNotificationsReceived = 0;
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[[CPNotificationCenter defaultCenter] addObserver:self
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selector:@selector(selectionDidChange:)
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name:CPTableViewSelectionDidChangeNotification
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object:tableView];
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[tableView selectRowIndexes:[CPIndexSet indexSetWithIndex:2] byExtendingSelection:NO];
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[self assert:selectionDidChangeNotificationsReceived equals:1 message:"CPTableViewSelectionDidChangeNotification expected when selecting rows"];
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// If we remove the last row, the selection should change and we should be notified.
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[tableEntries removeObjectAtIndex:2];
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[tableView reloadData];
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[self assert:selectionDidChangeNotificationsReceived equals:2 message:"CPTableViewSelectionDidChangeNotification when selected rows go away"];
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[tableView selectRowIndexes:[CPIndexSet indexSetWithIndex:0] byExtendingSelection:NO];
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[self assert:selectionDidChangeNotificationsReceived equals:3 message:"CPTableViewSelectionDidChangeNotification expected when selecting rows"];
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[tableEntries removeObjectAtIndex:1];
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[tableView reloadData];
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[self assert:selectionDidChangeNotificationsReceived equals:3 message:"no CPTableViewSelectionDidChangeNotification expected when removing a row which does not change the selection"];
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}
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- (int)numberOfRowsInTableView:(CPTableView)aTableView
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{
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return [tableEntries count];
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}
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- (id)tableView:(CPTableView)aTableView objectValueForTableColumn:(CPTableColumn)aColumn row:(int)aRow
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{
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return tableEntries[aRow];
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}
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- (void)selectionDidChange:(CPNotification)aNotification
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{
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selectionDidChangeNotificationsReceived++;
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}
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@end
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