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83d610cd54
[ASMapNode] Change map snapshot when updating it with a new region (#1754) [ASMapNode] Commented out code that is causing inaccurate behavior [ASMapNode] Added the ability to zoom in and show annotations, similar to showAnnotations:animated: of MKMapView. Added a basic example for ASMapNode to try out the different changes
263 lines
12 KiB
Objective-C
263 lines
12 KiB
Objective-C
//
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// MapHandlerNode.m
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// Sample
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//
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// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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#import "MapHandlerNode.h"
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#import <AsyncDisplayKit/ASDisplayNode+Subclasses.h>
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#import <AsyncDisplayKit/ASMapNode.h>
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#import <AsyncDisplayKit/ASButtonNode.h>
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#import <AsyncDisplayKit/ASEditableTextNode.h>
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#import <AsyncDisplayKit/ASStackLayoutSpec.h>
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#import <AsyncDisplayKit/ASInsetLayoutSpec.h>
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@interface MapHandlerNode () <ASEditableTextNodeDelegate, MKMapViewDelegate>
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@property (nonatomic, strong) ASEditableTextNode * latEditableNode;
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@property (nonatomic, strong) ASEditableTextNode * lonEditableNode;
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@property (nonatomic, strong) ASEditableTextNode * deltaLatEditableNode;
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@property (nonatomic, strong) ASEditableTextNode * deltaLonEditableNode;
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@property (nonatomic, strong) ASButtonNode * updateRegionButton;
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@property (nonatomic, strong) ASButtonNode * liveMapToggleButton;
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@property (nonatomic, strong) ASMapNode * mapNode;
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@end
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@implementation MapHandlerNode
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#pragma mark - Lifecycle
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- (instancetype)init
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{
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if (!(self = [super init]))
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return nil;
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_latEditableNode = [[ASEditableTextNode alloc] init];
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_lonEditableNode = [[ASEditableTextNode alloc] init];
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_deltaLatEditableNode = [[ASEditableTextNode alloc] init];
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_deltaLonEditableNode = [[ASEditableTextNode alloc] init];
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_updateRegionButton = [[ASButtonNode alloc] init];
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_liveMapToggleButton = [[ASButtonNode alloc] init];
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_mapNode = [[ASMapNode alloc] init];
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[self addSubnode:_latEditableNode];
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[self addSubnode:_lonEditableNode];
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[self addSubnode:_deltaLatEditableNode];
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[self addSubnode:_deltaLonEditableNode];
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[self addSubnode:_updateRegionButton];
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[self addSubnode:_liveMapToggleButton];
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[self addSubnode:_mapNode];
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return self;
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}
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- (void)didLoad
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{
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[super didLoad];
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_latEditableNode.attributedText = [[NSAttributedString alloc] initWithString:[NSString stringWithFormat:@"%f", _mapNode.region.center.latitude]];
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_lonEditableNode.attributedText = [[NSAttributedString alloc] initWithString:[NSString stringWithFormat:@"%f", _mapNode.region.center.longitude]];
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_deltaLatEditableNode.attributedText = [[NSAttributedString alloc] initWithString:[NSString stringWithFormat:@"%f", _mapNode.region.span.latitudeDelta]];
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_deltaLonEditableNode.attributedText = [[NSAttributedString alloc] initWithString:[NSString stringWithFormat:@"%f", _mapNode.region.span.longitudeDelta]];
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[self configureEditableNodes:_latEditableNode];
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[self configureEditableNodes:_lonEditableNode];
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[self configureEditableNodes:_deltaLatEditableNode];
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[self configureEditableNodes:_deltaLonEditableNode];
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_mapNode.mapDelegate = self;
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[_updateRegionButton setTitle:@"Update Region" withFont:nil withColor:[UIColor blueColor] forState:ASControlStateNormal];
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[_updateRegionButton setTitle:@"Update Region" withFont:[UIFont systemFontOfSize:14] withColor:[UIColor blueColor] forState:ASControlStateHighlighted];
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[_updateRegionButton addTarget:self action:@selector(updateRegion) forControlEvents:ASControlNodeEventTouchUpInside];
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[_liveMapToggleButton setTitle:[self liveMapStr] withFont:nil withColor:[UIColor blueColor] forState:ASControlStateNormal];
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[_liveMapToggleButton setTitle:[self liveMapStr] withFont:[UIFont systemFontOfSize:14] withColor:[UIColor blueColor] forState:ASControlStateHighlighted];
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[_liveMapToggleButton addTarget:self action:@selector(toggleLiveMap) forControlEvents:ASControlNodeEventTouchUpInside];
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}
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#pragma mark - Layout
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- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize
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{
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#define SPACING 5
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#define HEIGHT 30
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CGSize preferredSize = CGSizeMake(constrainedSize.max.width * 0.3, HEIGHT);
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_latEditableNode.preferredFrameSize = _lonEditableNode.preferredFrameSize = preferredSize;
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_deltaLatEditableNode.preferredFrameSize = _deltaLonEditableNode.preferredFrameSize = preferredSize;
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_updateRegionButton.preferredFrameSize = _liveMapToggleButton.preferredFrameSize = preferredSize;
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_latEditableNode.flexGrow = _lonEditableNode.flexGrow = true;
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_deltaLatEditableNode.flexGrow = _deltaLonEditableNode.flexGrow = true;
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_updateRegionButton.flexGrow = _liveMapToggleButton.flexGrow = true;
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_mapNode.flexGrow = true;
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ASStackLayoutSpec * lonlatSpec = [ASStackLayoutSpec stackLayoutSpecWithDirection:ASStackLayoutDirectionHorizontal
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spacing:SPACING
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justifyContent:ASStackLayoutJustifyContentStart
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alignItems:ASStackLayoutAlignItemsCenter
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children:@[_latEditableNode, _lonEditableNode]];
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lonlatSpec.flexGrow = true;
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ASStackLayoutSpec * deltaLonlatSpec = [ASStackLayoutSpec stackLayoutSpecWithDirection:ASStackLayoutDirectionHorizontal
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spacing:SPACING
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justifyContent:ASStackLayoutJustifyContentStart
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alignItems:ASStackLayoutAlignItemsCenter
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children:@[_deltaLatEditableNode, _deltaLonEditableNode]];
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deltaLonlatSpec.flexGrow = true;
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ASStackLayoutSpec * lonlatConfigSpec = [ASStackLayoutSpec stackLayoutSpecWithDirection:ASStackLayoutDirectionVertical
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spacing:SPACING
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justifyContent:ASStackLayoutJustifyContentStart
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alignItems:ASStackLayoutAlignItemsStretch
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children:@[lonlatSpec, deltaLonlatSpec]];
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lonlatConfigSpec.flexGrow = true;
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ASStackLayoutSpec * buttonsSpec = [ASStackLayoutSpec stackLayoutSpecWithDirection:ASStackLayoutDirectionVertical
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spacing:SPACING
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justifyContent:ASStackLayoutJustifyContentStart
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alignItems:ASStackLayoutAlignItemsStretch
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children:@[_updateRegionButton, _liveMapToggleButton]];
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buttonsSpec.flexGrow = true;
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ASStackLayoutSpec * dashboardSpec = [ASStackLayoutSpec stackLayoutSpecWithDirection:ASStackLayoutDirectionHorizontal
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spacing:SPACING
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justifyContent:ASStackLayoutJustifyContentStart
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alignItems:ASStackLayoutAlignItemsStretch
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children:@[lonlatConfigSpec, buttonsSpec]];
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dashboardSpec.flexGrow = true;
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ASInsetLayoutSpec * insetSpec = [ASInsetLayoutSpec insetLayoutSpecWithInsets:UIEdgeInsetsMake(20, 10, 0, 10) child:dashboardSpec];
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ASStackLayoutSpec * layoutSpec = [ASStackLayoutSpec stackLayoutSpecWithDirection:ASStackLayoutDirectionVertical
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spacing:SPACING
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justifyContent:ASStackLayoutJustifyContentStart
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alignItems:ASStackLayoutAlignItemsStretch
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children:@[insetSpec, _mapNode ]];
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return layoutSpec;
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}
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#pragma mark - Button actions
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-(void)updateRegion
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{
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NSNumberFormatter *f = [[NSNumberFormatter alloc] init];
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f.numberStyle = NSNumberFormatterDecimalStyle;
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double const lat = [f numberFromString:_latEditableNode.attributedText.string].doubleValue;
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double const lon = [f numberFromString:_lonEditableNode.attributedText.string].doubleValue;
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double const deltaLat = [f numberFromString:_deltaLatEditableNode.attributedText.string].doubleValue;
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double const deltaLon = [f numberFromString:_deltaLonEditableNode.attributedText.string].doubleValue;
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MKCoordinateRegion region = MKCoordinateRegionMake(CLLocationCoordinate2DMake(lat, lon),
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MKCoordinateSpanMake(deltaLat, deltaLon));
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_mapNode.region = region;
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// MKMapSnapshotOptions * __weak oldOptions = _mapNode.options;
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// MKMapSnapshotOptions * options = [[MKMapSnapshotOptions alloc] init];
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// options.camera = oldOptions.camera;
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// options.mapRect = oldOptions.mapRect;
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// options.mapType = oldOptions.mapType;
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// options.showsPointsOfInterest = oldOptions.showsPointsOfInterest;
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// options.showsBuildings = oldOptions.showsBuildings;
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// options.size = oldOptions.size;
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// options.scale = oldOptions.scale;
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// options.region = region;
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// _mapNode.options = options;
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NSLog(@"Region updated");
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}
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-(void)toggleLiveMap
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{
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_mapNode.liveMap = !_mapNode.liveMap;
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NSString * const liveMapStr = [self liveMapStr];
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[_liveMapToggleButton setTitle:liveMapStr withFont:nil withColor:[UIColor blueColor] forState:ASControlStateNormal];
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[_liveMapToggleButton setTitle:liveMapStr withFont:[UIFont systemFontOfSize:14] withColor:[UIColor blueColor] forState:ASControlStateHighlighted];
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NSLog(@"UserInteractionEnabled: %i", _mapNode.userInteractionEnabled);
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}
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#pragma mark - Helpers
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-(NSString *)liveMapStr
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{
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return _mapNode.liveMap ? @"Live Map is ON" : @"Live Map is OFF";
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}
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-(void)configureEditableNodes:(ASEditableTextNode *)node
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{
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node.returnKeyType = node == _deltaLonEditableNode ? UIReturnKeyDone : UIReturnKeyNext;
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node.delegate = self;
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}
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#pragma mark - ASEditableTextNodeDelegate
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- (BOOL)editableTextNode:(ASEditableTextNode *)editableTextNode shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text
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{
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if([text isEqualToString:@"\n"]) {
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if(editableTextNode == _latEditableNode)
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[_lonEditableNode becomeFirstResponder];
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else if(editableTextNode == _lonEditableNode)
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[_deltaLatEditableNode becomeFirstResponder];
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else if(editableTextNode == _deltaLatEditableNode)
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[_deltaLonEditableNode becomeFirstResponder];
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else if(editableTextNode == _deltaLonEditableNode) {
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[_deltaLonEditableNode resignFirstResponder];
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[self updateRegion];
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}
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return NO;
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}
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NSMutableCharacterSet * s = [NSMutableCharacterSet characterSetWithCharactersInString:@".-"];
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[s formUnionWithCharacterSet:[NSCharacterSet decimalDigitCharacterSet]];
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[s invert];
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NSRange r = [text rangeOfCharacterFromSet:s];
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if(r.location != NSNotFound) {
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return NO;
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}
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if([editableTextNode.attributedText.string rangeOfString:@"."].location != NSNotFound &&
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[text rangeOfString:@"."].location != NSNotFound) {
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return NO;
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}
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if ([editableTextNode.attributedText.string rangeOfString:@"-"].location != NSNotFound &&
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[text rangeOfString:@"-"].location != NSNotFound &&
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range.location > 0) {
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return NO;
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}
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return YES;
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}
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#pragma mark - MKMapViewDelegate
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- (void)mapView:(MKMapView *)mapView regionDidChangeAnimated:(BOOL)animated {
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_latEditableNode.attributedText = [[NSAttributedString alloc] initWithString:[NSString stringWithFormat:@"%f", mapView.region.center.latitude]];
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_lonEditableNode.attributedText = [[NSAttributedString alloc] initWithString:[NSString stringWithFormat:@"%f", mapView.region.center.longitude]];
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_deltaLatEditableNode.attributedText = [[NSAttributedString alloc] initWithString:[NSString stringWithFormat:@"%f", mapView.region.span.latitudeDelta]];
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_deltaLonEditableNode.attributedText = [[NSAttributedString alloc] initWithString:[NSString stringWithFormat:@"%f", mapView.region.span.longitudeDelta]];
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}
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@end
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