transmission/macosx/MessageWindowController.m

212 lines
7.4 KiB
Objective-C

/******************************************************************************
* $Id$
*
* Copyright (c) 2006-2007 Transmission authors and contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*****************************************************************************/
#import "MessageWindowController.h"
#import <transmission.h>
#define LEVEL_ERROR 0
#define LEVEL_INFO 1
#define LEVEL_DEBUG 2
#define UPDATE_SECONDS 0.6
#define MAX_LINES 2500
@interface MessageWindowController (Private)
- (void) setDebugWarningHidden: (BOOL) hide;
@end
@implementation MessageWindowController
- (id) initWithWindowNibName: (NSString *) name
{
if ((self = [super initWithWindowNibName: name]))
{
NSMutableParagraphStyle * paragraph = [[NSParagraphStyle defaultParagraphStyle] mutableCopy];
[paragraph setHeadIndent: 20.0];
fAttributes = [[NSDictionary alloc] initWithObjectsAndKeys:
[NSFont fontWithName: @"Monaco" size: 10], NSFontAttributeName,
paragraph, NSParagraphStyleAttributeName, nil];
[paragraph release];
fLines = 0;
fTimer = [NSTimer scheduledTimerWithTimeInterval: UPDATE_SECONDS target: self
selector: @selector(updateLog:) userInfo: nil repeats: YES];
[[self window] update]; //make sure nib is loaded right away
}
return self;
}
- (void) dealloc
{
[fTimer invalidate];
[fAttributes release];
[super dealloc];
}
- (void) awakeFromNib
{
[[self window] center];
int level = [[NSUserDefaults standardUserDefaults] integerForKey: @"MessageLevel"];
if (level == TR_MSG_ERR)
[fLevelButton selectItemAtIndex: LEVEL_ERROR];
else if (level == TR_MSG_INF)
[fLevelButton selectItemAtIndex: LEVEL_INFO];
else if (level == TR_MSG_DBG)
[fLevelButton selectItemAtIndex: LEVEL_DEBUG];
else
{
level = TR_MSG_ERR;
[fLevelButton selectItemAtIndex: LEVEL_ERROR];
[[NSUserDefaults standardUserDefaults] setInteger: level forKey: @"MessageLevel"];
}
[self setDebugWarningHidden: level != TR_MSG_DBG];
tr_setMessageLevel(level);
tr_setMessageQueuing(1);
}
- (void) updateLog: (NSTimer *) timer
{
tr_msg_list_t * messages, * currentMessage;
if ((messages = tr_getQueuedMessages()) == NULL)
return;
//keep scrolled to bottom if already at bottom or there is no scroll bar yet
NSScroller * scroller = [fScrollView verticalScroller];
BOOL shouldScroll = [scroller floatValue] == 1.0 || [scroller isHidden] || [scroller knobProportion] == 1.0;
NSString * levelString, * dateString, * messageString;
for (currentMessage = messages; currentMessage != NULL; currentMessage = currentMessage->next)
{
int level = currentMessage->level;
if (level == TR_MSG_ERR)
levelString = @"ERR";
else if (level == TR_MSG_INF)
levelString = @"INF";
else if (level == TR_MSG_DBG)
levelString = @"DBG";
else
levelString = @"???";
dateString = [[NSDate dateWithTimeIntervalSince1970: currentMessage->when]
descriptionWithCalendarFormat: @"%1m/%d %H:%M:%S" timeZone: nil locale: nil];
messageString = [NSString stringWithFormat: @"%s%@ %@ %s",
fLines > 0 ? "\n" : "", dateString, levelString, currentMessage->message];
//remove the first line if at max number of lines
if (fLines == MAX_LINES)
{
unsigned int loc = [[fTextView string] rangeOfString: @"\n"].location;
if (loc != NSNotFound)
[[fTextView textStorage] deleteCharactersInRange: NSMakeRange(0, loc + 1)];
}
else
fLines++;
[[fTextView textStorage] appendAttributedString: [[[NSAttributedString alloc] initWithString:
messageString attributes: fAttributes] autorelease]];
}
tr_freeMessageList(messages);
if (shouldScroll)
[fTextView scrollRangeToVisible: NSMakeRange([[fTextView string] length], 0)];
}
- (void) changeLevel: (id) sender
{
[self updateLog: nil];
int selection = [fLevelButton indexOfSelectedItem], level;
if (selection == LEVEL_INFO)
level = TR_MSG_INF;
else if (selection == LEVEL_DEBUG)
level = TR_MSG_DBG;
else
level = TR_MSG_ERR;
[self setDebugWarningHidden: level != TR_MSG_DBG];
tr_setMessageLevel(level);
[[NSUserDefaults standardUserDefaults] setInteger: level forKey: @"MessageLevel"];
}
- (void) clearLog: (id) sender
{
[fTextView setString: @""];
fLines = 0;
}
- (void) writeToFile: (id) sender
{
NSString * string = [[fTextView string] retain];
NSSavePanel * panel = [NSSavePanel savePanel];
[panel setRequiredFileType: @"txt"];
[panel setCanSelectHiddenExtension: YES];
[panel beginSheetForDirectory: nil file: NSLocalizedString(@"untitled", "Save log panel -> default file name")
modalForWindow: [self window] modalDelegate: self
didEndSelector: @selector(writeToFileSheetClosed:returnCode:contextInfo:) contextInfo: string];
}
- (void) writeToFileSheetClosed: (NSSavePanel *) panel returnCode: (int) code contextInfo: (NSString *) string
{
if (code == NSOKButton)
{
if (![string writeToFile: [panel filename] atomically: YES encoding: NSUTF8StringEncoding error: nil])
{
NSAlert * alert = [[NSAlert alloc] init];
[alert addButtonWithTitle: NSLocalizedString(@"OK", "Save log alert panel -> button")];
[alert setMessageText: [NSString stringWithFormat: NSLocalizedString(@"Log Could Not Be Saved",
"Save log alert panel -> title")]];
[alert setInformativeText: [NSString stringWithFormat:
NSLocalizedString(@"There was a problem creating the file \"%@\".",
"Save log alert panel -> message"), [[panel filename] lastPathComponent]]];
[alert setAlertStyle: NSWarningAlertStyle];
[alert runModal];
[alert release];
}
}
[string release];
}
- (void) setDebugWarningHidden: (BOOL) hide
{
[fDebugWarningField setHidden: hide];
[fDebugWarningIcon setHidden: hide];
}
@end