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cappuccino/AppKit/Cib/_CPCibConnector.j
T

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@import <Foundation/CPObject.j>
@import <Foundation/CPKeyValueCoding.j>
var _CPCibConnectorSourceKey = @"_CPCibConnectorSourceKey",
_CPCibConnectorDestinationKey = @"_CPCibConnectorDestinationKey",
_CPCibConnectorLabelKey = @"_CPCibConnectorLabelKey";
@implementation _CPCibConnector : CPObject
{
id _source;
id _destination;
CPString _label;
}
- (void)replaceObjects:(JSObject)replacementObjects
{
var replacement = replacementObjects[[_source UID]];
if (replacement !== undefined)
_source = replacement;
replacement = replacementObjects[[_destination UID]];
if (replacement !== undefined)
_destination = replacement;
}
@end
@implementation _CPCibConnector (CPCoding)
- (id)initWithCoder:(CPCoder)aCoder
{
self = [super init];
if (self)
{
_source = [aCoder decodeObjectForKey:_CPCibConnectorSourceKey];
_destination = [aCoder decodeObjectForKey:_CPCibConnectorDestinationKey];
_label = [aCoder decodeObjectForKey:_CPCibConnectorLabelKey];
}
return self;
}
- (void)encodeWithCoder:(CPCoder)aCoder
{
[aCoder encodeObject:_source forKey:_CPCibConnectorSourceKey];
[aCoder encodeObject:_destination forKey:_CPCibConnectorDestinationKey];
[aCoder encodeObject:_label forKey:_CPCibConnectorLabelKey];
}
@end
@implementation _CPCibControlConnector : _CPCibConnector
{
}
- (void)establishConnection
{
var selectorName = _label,
selectorNameLength = [selectorName length];
if (selectorNameLength && selectorName[selectorNameLength - 1] !== ':')
selectorName += ':';
var selector = CPSelectorFromString(selectorName);
// Not having a selector is a fatal error.
if (!selector)
[CPException
raise:CPInvalidArgumentException
reason:@"-[" + [self className] + ' ' + _cmd + @"] selector " + selectorName + @" does not exist."];
// If the destination doesn't respond to this selector, warn but don't die.
if (_destination && ![_destination respondsToSelector:selector])
{
CPLog.warn(@"Could not connect the action " + selector + @" to target of class " + [_destination className]);
return;
}
// Not being able to set the action is a fatal error.
if ([_source respondsToSelector:@selector(setAction:)])
objj_msgSend(_source, @selector(setAction:), selector);
else
[CPException
raise:CPInvalidArgumentException
reason:@"-[" + [self className] + ' ' + _cmd + @"] " + [_source description] + " does not respond to setAction:"];
// Not being able to set the target is a fatal error.
if ([_source respondsToSelector:@selector(setTarget:)])
objj_msgSend(_source, @selector(setTarget:), _destination);
else
[CPException
raise:CPInvalidArgumentException
reason:@"-[" + [self className] + ' ' + _cmd + @"] " + [_source description] + " does not respond to setTarget:"];
}
@end
@implementation _CPCibOutletConnector : _CPCibConnector
{
}
- (void)establishConnection
{
try
{
[_source setValue:_destination forKey:_label];
}
catch (anException)
{
if ([anException name] === CPUndefinedKeyException)
CPLog.warn(@"Could not connect the outlet " + _label + @" of target of class " + [_source className]);
else
throw anException;
}
}
@end