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/**
* @file
* @date 18.5.2007
*
* Implementation of class HBOutputPanelController.
*/
#import "HBOutputPanelController.h"
#import "HBOutputRedirect.h"
/// Maximum amount of characters that can be shown in the view.
#define TextStorageUpperSizeLimit 20000
/// When old output is removed, this is the amount of characters that will be
/// left in outputTextStorage.
#define TextStorageLowerSizeLimit 15000
@implementation HBOutputPanelController
/**
* Initializes the object, creates outputTextStorage and starts redirection of stderr.
*/
- (id)init
{
if (self = [super init])
{
outputTextStorage = [[NSTextStorage alloc] init];
[[HBOutputRedirect stderrRedirect] addListener:self];
[[HBOutputRedirect stdoutRedirect] addListener:self];
}
return self;
}
/**
* Stops redirection of stderr and releases resources.
*/
- (void)dealloc
{
[[HBOutputRedirect stderrRedirect] removeListener:self];
[[HBOutputRedirect stdoutRedirect] removeListener:self];
[outputTextStorage release];
[outputPanel release];
[super dealloc];
}
/**
* Loads output panel from OutputPanel.nib and shows it.
*/
- (IBAction)showOutputPanel:(id)sender
{
if (!outputPanel)
{
BOOL loadSucceeded = [NSBundle loadNibNamed:@"OutputPanel" owner:self] && outputPanel;
NSAssert(loadSucceeded, @"Could not open nib file");
[outputPanel setFrameAutosaveName:@"OutputPanelFrame"];
[[textView layoutManager] replaceTextStorage:outputTextStorage];
}
[textView scrollRangeToVisible:NSMakeRange([outputTextStorage length], 0)];
[outputPanel orderFront:nil];
}
/**
* Displays text received from HBOutputRedirect in the text view.
*/
- (void)stderrRedirect:(NSString *)text
{
NSAttributedString *attributedString = [[NSAttributedString alloc] initWithString:text];
[outputTextStorage appendAttributedString:attributedString];
[attributedString release];
if ([outputTextStorage length] > TextStorageUpperSizeLimit)
[outputTextStorage deleteCharactersInRange:NSMakeRange(0, [outputTextStorage length] - TextStorageLowerSizeLimit)];
[textView scrollRangeToVisible:NSMakeRange([outputTextStorage length], 0)];
}
- (void)stdoutRedirect:(NSString *)text { [self stderrRedirect:text]; }
/**
* Clears the output window.
*/
- (IBAction)clearOutput:(id)sender
{
[outputTextStorage deleteCharactersInRange:NSMakeRange(0, [outputTextStorage length])];
}
/**
* Copies all text in the output window to pasteboard.
*/
- (IBAction)copyAllOutputToPasteboard:(id)sender
{
NSPasteboard *pboard = [NSPasteboard generalPasteboard];
[pboard declareTypes:[NSArray arrayWithObject:NSStringPboardType] owner:nil];
[pboard setString:[outputTextStorage string] forType:NSStringPboardType];
}
@end
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