apps-gorm/Palettes/2Controls/GormFormAttributesInspector.m

/*
  GormFormAttributesInspector.m

   Copyright (C) 2001-2005 Free Software Foundation, Inc.

   Author:  Adam Fedor <fedor@gnu.org>
              Laurent Julliard <laurent@julliard-online.org>
   Date: Aug 2001
   Author: Gregory John Casamento <greg_casamento@yahoo.com>
   Date: 2003,2004,2005
   
   This file is part of GNUstep.
   
   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 3 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., 51 Franklin Street, Fifth Floor, Boston, MA 02111 USA.
*/

/*
  July 2005 : Split inspector classes into separate files.
  Always use ok: revert: methods
  Clean up
  Author : Fabien Vallon <fabien@sonappart.net>
*/

#include "GormFormAttributesInspector.h"
#include <GormCore/NSColorWell+GormExtensions.h>

#include <Foundation/NSNotification.h>
#include <Foundation/NSDebug.h>

#include <AppKit/NSButton.h>
#include <AppKit/NSForm.h>
#include <AppKit/NSMatrix.h>
#include <AppKit/NSNibLoading.h>
#include <AppKit/NSFormCell.h>

/*
  IBObjectAdditions category
*/
@implementation	NSForm (IBObjectAdditions)
- (NSString*) inspectorClassName
{
  return @"GormFormAttributesInspector";
}
@end


@implementation GormFormAttributesInspector

- (id) init
{
  if ([super init] == nil)
    {
      return nil;
    }
  if ([NSBundle loadNibNamed: @"GormNSFormInspector" owner: self] == NO)
    {
      NSLog(@"Could not gorm GormFormInspector");
      return nil;
    }

  return self;
}

/* Commit changes that the user makes in the Attributes Inspector */
- (void) ok:(id) sender
{
  NSInteger	rows;
  NSInteger	cols;
  int	i;
      
  [object getNumberOfRows: &rows columns: &cols];
  
  /* background color */

  if (sender == backgroundColorWell)
    {
      [object setBackgroundColor: [sender color]];
    }
  else if (sender == drawsBackgroundSwitch)
    {
      [object setDrawsBackground: ([sender state] == NSOnState)];
    }
  /* options */
  else if (sender == cellPositionSwitch)
    {
      BOOL flag;

      flag = ([cellPositionSwitch state] == NSOnState) ? YES : NO;
      if (flag == YES)
	{
	  for (i = 0; i < rows; i++)
	    {
	      [[object cellAtIndex: i] setTag: i];
	    }
	}

    }
  else if ( sender == editableSwitch ) 
    {
      BOOL flag = ([editableSwitch state] == NSOnState) ? YES : NO;
      for (i = 0; i < rows; i++)
	{
	  [[object cellAtIndex: i] setEditable: flag];
	}
    }
  else if ( sender == selectableSwitch ) 
    {
      BOOL flag = ([selectableSwitch state] == NSOnState) ? YES : NO;
      for (i = 0; i < rows; i++)
	{
	  [[object cellAtIndex: i] setSelectable: flag];
	}
    }
  else if ( sender == scrollableSwitch ) 
    {
      BOOL flag = ([scrollableSwitch state] == NSOnState) ? YES : NO;
      for (i = 0; i < rows; i++)
	{
	  [[object cellAtIndex: i] setScrollable: flag];
	}
    }
  /* text alignment */
  else if (sender == textMatrix)
    {
      [object setTextAlignment: (NSTextAlignment)[[sender selectedCell] tag]];
    }
  /* title alignment */
  else if (sender == titleMatrix)
    {
      [object setTitleAlignment: (NSTextAlignment)[[sender selectedCell] tag]];
    }
  /* tag */
  else if (sender == tagForm)
    {
      [object setTag: [[sender cellAtIndex: 0] intValue]];
    }
  /* autosize */
  else if (sender == autosizeSwitch)
    {
      BOOL flag = ([autosizeSwitch state] == NSOnState) ? YES : NO;
      [object setAutosizesCells: flag];
    }

  [super ok:sender];
}


/* Sync from object ( NSForm ) changes to the inspector   */
- (void) revert: (id) sender
{
  if ( object == nil )
    {
      return;
    }

  /* background color */
  [backgroundColorWell setColorWithoutAction: [object backgroundColor]];
  [drawsBackgroundSwitch setState: 
    ([object drawsBackground]) ? NSOnState : NSOffState];
  /* alignments */
  [textMatrix selectCellWithTag: [[object  cellAtIndex: 0] alignment]];
  [titleMatrix selectCellWithTag: [[object cellAtIndex: 0] titleAlignment]];

  /* options */
  [editableSwitch setState:[[object cellAtIndex: 0] isEditable]];
  [selectableSwitch setState:[[object cellAtIndex: 0] isSelectable]];
  [scrollableSwitch setState:[[object cellAtIndex: 0] isScrollable]];
  [autosizeSwitch setState: [object autosizesCells]];

  // Cells tags = position is not directly stored in the Form so guess it.
  {
    NSInteger		rows;
    NSInteger		cols;
    int		i;
    BOOL	flag;
    
    [object getNumberOfRows: &rows columns: &cols];

    i = 0;    
    do
      {
	flag = ([[object cellAtIndex: i] tag] == i);
      }
    while (flag && (++i < rows)); 

    if (flag)
      {
        [cellPositionSwitch setState:NSOnState];
      }
  }

  /* tag */
  [[tagForm cellAtRow: 0 column: 0] setIntValue: [object tag]];

  [super revert:sender];
}


/* delegate method for tagForm */
-(void) controlTextDidChange:(NSNotification*) aNotification
{
  [self ok:[aNotification object]];
}


/* The button type isn't stored in the button, so reverse-engineer it */
- (NSButtonType) buttonTypeForObject: button
{
  NSButtonCell *cell;
  NSButtonType type;
  int highlight, stateby;

  /* We could be passed the button or the cell */
  cell = ([button isKindOfClass: [NSButton class]]) ? [button cell] : button;

  highlight = [cell highlightsBy];
  stateby = [cell showsStateBy];
  NSDebugLog(@"highlight = %d, stateby = %d",
    (int)[cell highlightsBy],(int)[cell showsStateBy]);
  
  type = NSMomentaryPushButton;
  if (highlight == NSChangeBackgroundCellMask)
    {
      if (stateby == NSNoCellMask)
	type = NSMomentaryLight;
      else 
	type = NSOnOffButton;
    }
  else if (highlight == (NSPushInCellMask | NSChangeGrayCellMask))
    {
      if (stateby == NSNoCellMask)
	type = NSMomentaryPushButton;
      else
	type = NSPushOnPushOffButton;
    }
  else if (highlight == (NSPushInCellMask | NSContentsCellMask))
    {
      type = NSToggleButton;
    }
  else if (highlight == NSContentsCellMask)
    {
      if (stateby == NSNoCellMask)
	type = NSMomentaryChangeButton;
      else
	type = NSToggleButton; /* Really switch or radio. What should it be? */
    }
  else
    {
      NSDebugLog(@"Ack! no button type");
    }
  return type;
}

/* We may need to reset some parameters based on the previous type */
- (void) setButtonType: (NSButtonType)type forObject: (id)button
{
  [object setButtonType: type];
}


@end