mirror of
https://github.com/HackPlan/AsyncDisplayKit.git
synced 2026-05-17 00:06:44 +08:00
106 lines
3.4 KiB
Objective-C
106 lines
3.4 KiB
Objective-C
//
|
|
// PlaygroundContainerNode.m
|
|
// Sample
|
|
//
|
|
// Created by Hannah Troisi on 3/19/16.
|
|
// Copyright © 2016 Facebook. All rights reserved.
|
|
//
|
|
|
|
#import "PlaygroundContainerNode.h"
|
|
#import "PlaygroundNode.h"
|
|
#import "ASLayoutableInspectorNode.h" // FIXME: move to ASLayoutSpecDebug
|
|
|
|
#define RESIZE_HANDLE_SIZE 30
|
|
|
|
@implementation PlaygroundContainerNode
|
|
{
|
|
PlaygroundNode *_playgroundNode;
|
|
ASImageNode *_resizeHandle;
|
|
}
|
|
|
|
#pragma mark - Lifecycle
|
|
|
|
- (instancetype)init
|
|
{
|
|
self = [super init];
|
|
|
|
if (self) {
|
|
self.backgroundColor = [UIColor colorWithRed:255/255.0 green:181/255.0 blue:68/255.0 alpha:1];
|
|
self.usesImplicitHierarchyManagement = YES;
|
|
|
|
_playgroundNode = [[PlaygroundNode alloc] init];
|
|
|
|
_resizeHandle = [[ASImageNode alloc] init];
|
|
_resizeHandle.image = [UIImage imageNamed:@"resizeHandle"];
|
|
_resizeHandle.userInteractionEnabled = YES;
|
|
[self.view addSubnode:_resizeHandle];
|
|
|
|
UILongPressGestureRecognizer *lpgr = [[UILongPressGestureRecognizer alloc] initWithTarget:self
|
|
action:@selector(resizePlayground:)];
|
|
lpgr.minimumPressDuration = 0.0;
|
|
lpgr.allowableMovement = CGFLOAT_MAX;
|
|
[_resizeHandle.view addGestureRecognizer:lpgr];
|
|
|
|
[ASLayoutableInspectorNode sharedInstance].flexBasis = ASRelativeDimensionMakeWithPercent(1.0);
|
|
|
|
[self shouldVisualizeLayoutSpecs:YES];
|
|
}
|
|
|
|
return self;
|
|
}
|
|
|
|
// manually layout _resizeHandle // FIXME: add this to an overlayStack in layoutSpecThatFits?
|
|
- (void)layout
|
|
{
|
|
[super layout];
|
|
[self.view bringSubviewToFront:_resizeHandle.view];
|
|
|
|
CGSize playgroundSize = _playgroundNode.calculatedLayout.size;
|
|
CGRect rect = CGRectZero;
|
|
rect.size = CGSizeMake(RESIZE_HANDLE_SIZE, RESIZE_HANDLE_SIZE);
|
|
rect.origin = CGPointMake(playgroundSize.width - rect.size.width, playgroundSize.height - rect.size.height);
|
|
_resizeHandle.frame = rect;
|
|
}
|
|
|
|
- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize
|
|
{
|
|
_playgroundNode.flexGrow = YES;
|
|
_playgroundNode.flexShrink = YES;
|
|
|
|
return [ASInsetLayoutSpec insetLayoutSpecWithInsets:UIEdgeInsetsMake(10, 10, 10, 10)
|
|
child:_playgroundNode];
|
|
}
|
|
|
|
#pragma mark - Gesture Handling
|
|
|
|
- (void)resizePlayground:(UIGestureRecognizer *)sender
|
|
{
|
|
NSLog(@"RESIZE PLAYGROUND");
|
|
|
|
CGPoint firstLocation;
|
|
|
|
if (sender.state == UIGestureRecognizerStateBegan) {
|
|
firstLocation = [sender locationInView:sender.view];
|
|
}
|
|
else if (sender.state == UIGestureRecognizerStateChanged) {
|
|
CGPoint location = [sender locationInView:sender.view];
|
|
CGPoint translation = CGPointMake(location.x - firstLocation.x, location.y - firstLocation.y);
|
|
[self changePlaygroundFrameWithTranslation:translation];
|
|
}
|
|
else if (sender.state == UIGestureRecognizerStateEnded || sender.state == UIGestureRecognizerStateCancelled || sender.state == UIGestureRecognizerStateFailed) {
|
|
firstLocation = CGPointZero;
|
|
}
|
|
}
|
|
|
|
- (void)changePlaygroundFrameWithTranslation:(CGPoint)translation
|
|
{
|
|
ASSizeRange constrainedSize = self.constrainedSizeForCalculatedLayout;
|
|
|
|
constrainedSize.max.width = MAX(0, constrainedSize.max.width + translation.x);
|
|
constrainedSize.max.height = MAX(0, constrainedSize.max.height + translation.y);
|
|
|
|
[self.delegate relayoutWithSize:constrainedSize];
|
|
}
|
|
|
|
@end
|