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/*
Grr RSS Reader
Copyright (C) 2006, 2007 Guenther Noack <guenther@unix-ag.uni-kl.de>
Copyright (C) 2009 GNUstep Application Team
Riccardo Mottola
This application is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This application is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
*/
#import "ArticleTextViewPlugin.h"
#import "Article.h"
#import "NSString+TolerantHTML.h"
#import "ExtendedWindow.h"
#ifdef __APPLE__
#import "GNUstep.h"
#endif
@implementation ArticleTextViewPlugin
-(void)awakeFromNib
{
NSNotificationCenter* notifCenter;
[_view retain];
ASSIGN(textView, [scrollView documentView]);
[textView setDelegate: self];
notifCenter = [NSNotificationCenter defaultCenter];
[notifCenter addObserver: self
selector: @selector(scrollUp:)
name: ScrollArticleUpNotification
object: nil];
[notifCenter addObserver: self
selector: @selector(scrollDown:)
name: ScrollArticleDownNotification
object: nil];
}
-(void)componentDidUpdateSet: (NSNotification*) aNotification
{
NSSet* articles = [[aNotification object] objectsForPipeType: [PipeType articleType]];
if ([articles count] == 1) {
id<Article> article = [[articles allObjects] objectAtIndex: 0];
[headlineView setStringValue: [article headline]];
NS_DURING
[[textView textStorage] setAttributedString: [[article content] parseHTML]];
NS_HANDLER
NSLog(
@"ERROR: HTML PARSING:\n name: %@\n desc: %@",
[localException name],
[localException description]
);
[[textView textStorage] setAttributedString:
AUTORELEASE([[NSAttributedString alloc] initWithString: [article content]])];
NS_ENDHANDLER
[article setRead: YES];
// Scroll to top
//[textView scrollRangeToVisible: NSMakeRange(0,0)];
[[scrollView contentView] scrollToPoint: NSMakePoint(0.0,0.0)];
} else if ([articles count] == 0) {
[headlineView setStringValue: NSLocalizedString(
@"No articles selected.",
@"Shown in the article view headline"
)];
[textView setString: @""];
} else {
// too many articles
[headlineView setStringValue: [NSString stringWithFormat: NSLocalizedString(
@"%d articles selected",
@"Shown in the article view headline"
), [articles count]]];
[textView setString: NSLocalizedString(
@"\nPlease select only one article.",
@"Shown in the article view text area"
)];
}
}
-(void) scrollDown: (id)sender
{
[self scrollWithDownFlag: YES];
}
-(void) scrollUp: (id)sender
{
[self scrollWithDownFlag: NO];
}
/**
* Scrolls the visible part of the article view down or up.
*/
-(void) scrollWithDownFlag: (BOOL) isDown
{
NSRect aRect = [scrollView documentVisibleRect];
double delta = aRect.size.height - [scrollView verticalPageScroll];
if (isDown == NO) {
delta = -delta;
}
aRect.origin.y += delta;
[textView scrollRectToVisible: aRect];
}
/**
* Is executed when the user clicks a link.
*/
-(BOOL) textView: (NSTextView*) textView
clickedOnLink: (id) link
atIndex: (unsigned) charIndex
{
BOOL result = NO;
NSLog(@"textView:clickedOnLink: %@ atIndex: %d", link, charIndex);
if ([link isKindOfClass: [NSURL class]]) {
result = [[NSWorkspace sharedWorkspace] openURL: (NSURL*)link];
}
return result;
}
@end
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