/*
**  NoteTextView.m
**
**  Copyright (c) 2004
**
**  Author: Yen-Ju Chen <yjchenx@hotmail.com>
**
**  This program 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 2 of the License, or
**  (at your option) any later version.
**
**  This program 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 General Public License for more details.
**
**  You should have received a copy of the GNU General Public License
**  along with this program; if not, write to the Free Software
**  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include "NoteTextView.h"
#include "Constants.h"

@protocol GraphicComponentInfo
- (int) tag;
@end

@implementation NoteTextView

/* methods */
- (BOOL) isNoteTextViewEditable
{
  return noteTextViewEditable;
}

- (void) setNoteTextViewEditable: (BOOL) editable
{
  if (editable)
    {
      unsigned int length = [[self string] length];
      NSRange allRange = NSMakeRange(0, length);
      [self setBackgroundColor: [NSColor yellowColor]];
      [self setEditable: YES];
      [self setRichText: NO];
      /* Reset font attributes */
      if (length)
        [[self textStorage] setAttributes: fontAttributes range: allRange];
      noteTextViewEditable = YES;
    }
  else
    {
      [self setBackgroundColor: [NSColor whiteColor]];
      [self setEditable: NO];
      [self setRichText: YES];
      noteTextViewEditable = NO;
    }
}

/* Override */
- (BOOL) performDragOperation: (id <NSDraggingInfo>) sender
{
  if ([[sender draggingSource] respondsToSelector: @selector(tag)])
    {
      int tvTag = [(id <GraphicComponentInfo>)[sender draggingSource] tag];
      NSPasteboard *pboard = [sender draggingPasteboard];
      if ((ItemTableViewTag == tvTag) ||
          (SourceTableViewTag == tvTag))
        {
	  /* Try to change the content of pasteboard */
	  if ([[pboard types] containsObject: NSStringPboardType])
	    {
	      NSString *title = [pboard stringForType: NSStringPboardType];
	      [pboard setString: [NSString stringWithFormat: @"<link>%@</link>", title] forType: NSStringPboardType];
	    }
        }
    }
  return [super performDragOperation: sender];
}

- (int) tag
{
  return tag;
}

- (void) setTag: (int) anInt
{
  tag = anInt;
}

- (id) init
{
  self = [super init];
  tag = 0;
  noteTextViewEditable = YES;
  /* Get default font attributes */
  ASSIGN(fontAttributes, AUTORELEASE([[[self textStorage] fontAttributesInRange: NSMakeRange(0, 0)] copy]));
  return self;
}

@end