ETClipView.m

//
//  TestClipView.m
//  TestTextViewApp
//
//  Created by elasticthreads on 8/15/11.
//

#import "ETClipView.h"
#import "GlobalPrefs.h"
#import "AppController.h"


@implementation ETClipView

- (id)initWithFrame:(NSRect)frameRect{
    self = [super initWithFrame:frameRect];
    if (self) {
        [[GlobalPrefs defaultPrefs] registerForSettingChange:@selector(setMaxNoteBodyWidth:sender:) withTarget:self];
        [[GlobalPrefs defaultPrefs] registerForSettingChange:@selector(setManagesTextWidthInWindow:sender:) withTarget:self];
    }
    return self;
}

//  
-(void)setFrame:(NSRect)frameRect
{
    NSRect docRect = [[self documentView] frame];
    if (([[NSApp delegate]isInFullScreen])||([[GlobalPrefs defaultPrefs] managesTextWidthInWindow])) {   
        docRect.origin.x=0.0;        
        if (!NSEqualSizes(frameRect.size, [self frame].size)) {  
            CGFloat theMax=[[GlobalPrefs defaultPrefs] maxNoteBodyWidth]+(kTextMargins*2);
            if (frameRect.size.width>=(theMax+(kTextMargins/5))){
                CGFloat diff = frameRect.size.width-theMax;
                diff=round(diff/2);
                frameRect.origin.x=diff;                
                frameRect.size.width=theMax;           
            }        
        }        
    }
    docRect.size.width=frameRect.size.width;
    [[self documentView] setFrame:docRect];
    [super setFrame:frameRect]; 
}

- (void)settingChangedForSelectorString:(NSString*)selectorString{ 
    if (([selectorString isEqualToString:SEL_STR(setMaxNoteBodyWidth:sender:)])||([selectorString isEqualToString:SEL_STR(setManagesTextWidthInWindow:sender:)])){
        NSRect aRect=[[[self documentView]enclosingScrollView] frame];
        [self clipWidthSettingChanged:aRect];
    }
}

- (void)clipWidthSettingChanged:(NSRect)frameRect{
    NSRect docRect = [[self documentView] frame];
    if (([[NSApp delegate]isInFullScreen])||([[GlobalPrefs defaultPrefs] managesTextWidthInWindow])) {   
        docRect.origin.x=0.0;          
        CGFloat theMax=[[GlobalPrefs defaultPrefs] maxNoteBodyWidth]+(kTextMargins*2);
        if (frameRect.size.width>=(theMax+(kTextMargins/5))){
            CGFloat diff = frameRect.size.width-theMax;
            diff=round(diff/2);
            frameRect.origin.x=diff;                
            frameRect.size.width=theMax;           
        }          
            
    }
    docRect.size.width=frameRect.size.width;
    [super setFrame:frameRect];
    [[self documentView] setFrame:docRect];
}

@end