Cocoa 如何重新绑定NSTableColumn的NSValueBinding？
我正在构建一个Mac OS X应用程序，它有一个带有单个NSTableColumn的NSTableView和一个NSSegmentedControl。当我选择不同的段时，我打算切换表视图以显示来自不同阵列控制器的行 表列最初绑定到IB中的键路径Cocoa 如何重新绑定NSTableColumn的NSValueBinding？,cocoa,nstableview,cocoa-bindings,nsarraycontroller,Cocoa,Nstableview,Cocoa Bindings,Nsarraycontroller,我正在构建一个Mac OS X应用程序，它有一个带有单个NSTableColumn的NSTableView和一个NSSegmentedControl。当我选择不同的段时，我打算切换表视图以显示来自不同阵列控制器的行 表列最初绑定到IB中的键路径arrangedObjects.name的self.songsArrayController。当所选段发生如下更改时，我当前正在重新绑定表列的值绑定： - (IBAction) segmentedControlChanged:(NSSegmentedCon
arrangedObjects.name- (IBAction) segmentedControlChanged:(NSSegmentedControl*) sender {
if (sender.selectedSegment == 0) {
[self.songNameTableColumn bind:NSValueBinding toObject:self.songsArrayController withKeyPath:@"arrangedObjects.name" options:nil];
} else if (sender.selectedSegment == 1) {
[self.songNameTableColumn bind:NSValueBinding toObject:self.productsArrayController withKeyPath:@"arrangedObjects.localizedTitle" options:nil];
}
}
2013-08-16 08:55:26.245 MyApp[76005:303] [<SKProduct 0x10b3264d0> valueForUndefinedKey:]: this class is not key value coding-compliant for the key name.
2013-08-16 08:55:26.270 MyApp[76005:303] (
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51 MyApp 0x0000000100001fc2 main + 34
52 libdyld.dylib 0x00007fff97d227e1 start + 0
)
2013-08-16 08:55:26.245 MyApp[76005:303][valueForUndefinedKey:]：此类不符合密钥名称的键值编码。
2013-08-16 08:55:26.270 MyApp[76005:303](
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- (IBAction) segmentedControlChanged:(NSSegmentedControl*) sender {
if (sender.selectedSegment == 0) {
[self.songNameTableColumn unbind:NSValueBinding];
[self.songNameTableColumn bind:NSValueBinding toObject:self.songsArrayController withKeyPath:@"arrangedObjects.name" options:nil];
} else if (sender.selectedSegment == 1) {
[self.songNameTableColumn unbind:NSValueBinding];
[self.songNameTableColumn bind:NSValueBinding toObject:self.productsArrayController withKeyPath:@"arrangedObjects.localizedTitle" options:nil];
}
}