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TLMOutlineView.m
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TLMOutlineView.m
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//
// TLMOutlineView.m
// TeX Live Utility
//
// Created by Adam Maxwell on 12/24/08.
/*
This software is Copyright (c) 2008-2016
Adam Maxwell. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
- Neither the name of Adam Maxwell nor the names of any
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "TLMOutlineView.h"
@interface TLMOutlineView ()
@property (readwrite, copy) NSString *fontNamePreferenceKey;
@property (readwrite, copy) NSString *fontSizePreferenceKey;
@end
@implementation TLMOutlineView
@synthesize fontNamePreferenceKey = _fontNamePreferenceKey;
@synthesize fontSizePreferenceKey = _fontSizePreferenceKey;
- (void)dealloc
{
[_fontNamePreferenceKey release];
[_fontSizePreferenceKey release];
[_defaultFont release];
[super dealloc];
}
- (BOOL)dataSourceAllowsCopying
{
return [[self dataSource] respondsToSelector:@selector(outlineView:writeSelectedRowsToPasteboard:)];
}
- (NSDragOperation)draggingSourceOperationMaskForLocal:(BOOL)isLocal
{
return isLocal ? NSDragOperationEvery : NSDragOperationCopy;
}
- (void)disableOutlineCells;
{
_disableOutlineCells = YES;
[self setNeedsDisplay:YES];
}
- (void)reloadData
{
[super reloadData];
if (_disableOutlineCells) {
for (NSInteger row = 0; row < [self numberOfRows]; row++)
[self expandItem:[self itemAtRow:row] expandChildren:YES];
}
}
- (NSRect)frameOfOutlineCellAtRow:(NSInteger)row
{
return _disableOutlineCells ? NSZeroRect : [super frameOfOutlineCellAtRow:row];
}
- (BOOL)validateUserInterfaceItem:(id <NSValidatedUserInterfaceItem>)anItem;
{
if ([anItem action] == @selector(copy:))
return [self numberOfSelectedRows] > 0 && [self dataSourceAllowsCopying];
else if ([anItem action] == @selector(changeFont:))
return ([self fontNamePreferenceKey] && [self fontSizePreferenceKey]);
else
return YES;
}
- (IBAction)copy:(id)sender;
{
if ([self dataSourceAllowsCopying])
[(id <TLMOutlineViewDataSource>)[self dataSource] outlineView:self writeSelectedRowsToPasteboard:[NSPasteboard generalPasteboard]];
else
NSBeep();
}
- (void)setFont:(NSFont *)aFont
{
NSParameterAssert(aFont);
for (NSTableColumn *tc in [self tableColumns])
[[tc dataCell] setFont:aFont];
NSLayoutManager *lm = [NSLayoutManager new];
[self setRowHeight:[lm defaultLineHeightForFont:aFont] + 2.0f];
[lm release];
if ([[self delegate] respondsToSelector:@selector(outlineViewFontChanged:)])
[(id <TLMOutlineViewDelegate>)[self delegate] outlineViewFontChanged:self];
[self tile];
[self reloadData];
}
- (NSFont *)defaultFont;
{
NSFont *font = nil;
if ([self fontNamePreferenceKey] && [self fontSizePreferenceKey]) {
NSString *fontName = [[NSUserDefaults standardUserDefaults] objectForKey:[self fontNamePreferenceKey]];
float fontSize = [[NSUserDefaults standardUserDefaults] floatForKey:[self fontSizePreferenceKey]];
// if not set, use the font from the nib
if (fontName) {
font = [NSFont fontWithName:fontName size:fontSize];
}
}
return font ? font : _defaultFont;
}
- (NSFont *)font
{
return [[[[self tableColumns] lastObject] dataCell] font];
}
- (void)updateFontFromPreferences
{
NSFont *font = [self defaultFont];
if (font) [self setFont:font];
}
- (void)changeFont:(id)sender
{
if ([self fontNamePreferenceKey] && [self fontSizePreferenceKey]) {
NSFont *font = [[NSFontManager sharedFontManager] convertFont:[self font]];
if (font) {
[[NSUserDefaults standardUserDefaults] setFloat:[font pointSize] forKey:[self fontSizePreferenceKey]];
[[NSUserDefaults standardUserDefaults] setObject:[font fontName] forKey:[self fontNamePreferenceKey]];
[self updateFontFromPreferences];
}
}
}
- (BOOL)becomeFirstResponder
{
const BOOL ret = [super becomeFirstResponder];
if (ret)
[[NSFontManager sharedFontManager] setSelectedFont:[self font] isMultiple:NO];
return ret;
}
- (void)setFontNamePreferenceKey:(NSString *)name sizePreferenceKey:(NSString *)size;
{
NSParameterAssert(name && size);
[self setFontNamePreferenceKey:name];
[self setFontSizePreferenceKey:size];
// need to update now, or we can end up clobbering this if it's set after -viewDidMoveToWindow
[self updateFontFromPreferences];
}
- (void)viewDidMoveToWindow
{
[super viewDidMoveToWindow];
[self updateFontFromPreferences];
if (nil == _defaultFont)
_defaultFont = [[self font] retain];
}
- (NSArray *)selectedItems
{
NSIndexSet *selIndexes = [self selectedRowIndexes];
NSMutableArray *items = [NSMutableArray arrayWithCapacity:[selIndexes count]];
NSUInteger idx = [selIndexes firstIndex];
while (NSNotFound != idx) {
id item = [self itemAtRow:idx];
if (item) [items addObject:item];
idx = [selIndexes indexGreaterThanIndex:idx];
}
return items;
}
@end