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//
// Node.m
// TikZiT
//
// Copyright 2010 Aleks Kissinger. All rights reserved.
//
//
// This file is part of TikZiT.
//
// TikZiT 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.
//
// TikZiT 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 TikZiT. If not, see <http://www.gnu.org/licenses/>.
//
#import "Node.h"
#import "Shape.h"
@implementation Node
- (id)initWithPoint:(NSPoint)p {
self = [super init];
if (self) {
data = [[GraphElementData alloc] init];
style = nil;
label = @"";
point = p;
}
return self;
}
- (id)init {
return [self initWithPoint:NSMakePoint(0.0f, 0.0f)];
}
- (id)copyWithZone:(NSZone*)z {
Node *cp = [[Node allocWithZone:z] init];
[cp setPropertiesFromNode:self];
return cp;
}
- (void)dealloc {
[name release];
[style release];
[data release];
[super dealloc];
}
- (Shape*) shape {
if (style) {
return [Shape shapeForName:[style shapeName]];
} else {
return nil;
}
}
- (Transformer*) shapeTransformerFromTransformer:(Transformer*)t {
// we take a copy to keep the reflection attributes
Transformer *transformer = [[t copy] autorelease];
NSPoint screenPos = [t toScreen:point];
[transformer setOrigin:screenPos];
float scale = [t scale];
if (style) {
scale *= [style scale];
}
[transformer setScale:scale];
return transformer;
}
- (Transformer*) shapeTransformer {
float scale = 1.0f;
if (style) {
scale = [style scale];
}
return [Transformer transformerWithOrigin:point andScale:scale];
}
- (NSRect) boundsUsingShapeTransform:(Transformer*)shapeTrans {
//if (style) {
return [shapeTrans rectToScreen:[[self shape] boundingRect]];
/*} else {
NSRect r = NSZeroRect;
r.origin = [shapeTrans toScreen:[self point]];
return r;
}*/
}
- (NSRect) boundingRect {
return [self boundsUsingShapeTransform:[self shapeTransformer]];
}
- (BOOL)attachStyleFromTable:(NSArray*)styles {
NSString *style_name = [[[data propertyForKey:@"style"] retain] autorelease];
[self setStyle:nil];
// 'none' is a reserved style
if (style_name == nil || [style_name isEqualToString:@"none"]) return YES;
for (NodeStyle *s in styles) {
if ([[s name] compare:style_name]==NSOrderedSame) {
[self setStyle:s];
return YES;
}
}
// if we didn't find a style, fill in a default one
[self setStyle:[NodeStyle defaultNodeStyleWithName:style_name]];
return NO;
}
- (void)updateData {
if (style == nil) {
[data setProperty:@"none" forKey:@"style"];
} else {
[data setProperty:[style name] forKey:@"style"];
}
}
- (void)setPropertiesFromNode:(Node*)nd {
[self setPoint:[nd point]];
[self setStyle:[nd style]];
[self setName:[nd name]];
[self setData:[nd data]];
[self setLabel:[nd label]];
}
+ (Node*)nodeWithPoint:(NSPoint)p {
return [[[Node alloc] initWithPoint:p] autorelease];
}
+ (Node*)node {
return [[[Node alloc] init] autorelease];
}
// perform a lexicographic ordering (-y, x) on coordinates.
- (NSComparisonResult)compareTo:(id)nd {
Node *node = (Node*)nd;
if (point.y > [node point].y) return NSOrderedAscending;
else if (point.y < [node point].y) return NSOrderedDescending;
else {
if (point.x < [node point].x) return NSOrderedAscending;
else if (point.x > [node point].x) return NSOrderedDescending;
else return NSOrderedSame;
}
}
@synthesize name;
@synthesize label;
@synthesize point;
@synthesize data;
- (void) insertObject:(GraphElementProperty*)gep
inDataAtIndex:(NSUInteger)index {
[data insertObject:gep atIndex:index];
}
- (void) removeObjectFromDataAtIndex:(NSUInteger)index {
[data removeObjectAtIndex:index];
}
- (void) replaceObjectInDataAtIndex:(NSUInteger)index
withObject:(GraphElementProperty*)gep {
[data replaceObjectAtIndex:index withObject:gep];
}
- (NodeStyle*)style {
return style;
}
- (void)setStyle:(NodeStyle *)st {
if (style != st) {
NodeStyle *oldStyle = style;
style = [st retain];
[oldStyle release];
}
[self updateData];
}
@end
// vi:ft=objc:ts=4:noet:sts=4:sw=4
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