/MapView/Map/RMMarkerManager.m
Objective C | 205 lines | 130 code | 34 blank | 41 comment | 19 complexity | eb7c2aeebd887e8a1b67cfeac0a08829 MD5 | raw file
- //
- // RMMarkerManager.m
- //
- // Copyright (c) 2008-2009, Route-Me Contributors
- // 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.
- //
- // 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 "RMMarkerManager.h"
- #import "RMMercatorToScreenProjection.h"
- #import "RMProjection.h"
- #import "RMLayerCollection.h"
- @implementation RMMarkerManager
- @synthesize contents;
- - (id)initWithContents:(RMMapContents *)mapContents
- {
- if (![super init])
- return nil;
-
- contents = mapContents;
-
- rotationTransform = CGAffineTransformIdentity;
-
- return self;
- }
- - (void)dealloc
- {
- contents = nil;
- [super dealloc];
- }
- ///////////////////////////////////////////////////////////////////////////////////////////////////
- #pragma mark
- #pragma mark Adding / Removing / Displaying Markers
- /// place the (new created) marker onto the map at projected point and take ownership of it
- - (void)addMarker:(RMMarker *)marker atProjectedPoint:(RMProjectedPoint)projectedPoint {
- // only set the AffineTransform if the marker has rotation enabled
- if (marker.enableRotation) {
- [marker setAffineTransform:rotationTransform];
- } else {
- [marker setAffineTransform:CGAffineTransformMakeRotation(0.0f)];
- }
- [marker setProjectedLocation:projectedPoint];
- [marker setPosition:[[contents mercatorToScreenProjection] projectXYPoint:projectedPoint]];
- [[contents overlay] addSublayer:marker];
- }
- /// place the (newly created) marker onto the map and take ownership of it
- /// \bug should return the marker
- - (void) addMarker: (RMMarker*)marker AtLatLong:(CLLocationCoordinate2D)point
- {
- [self addMarker:marker atProjectedPoint:[[contents projection] latLongToPoint:point]];
- }
- /// \bug see http://code.google.com/p/route-me/issues/detail?id=75
- /// (halmueller): I am skeptical about interactions of this code with paths
- - (void) removeMarkers
- {
- [[contents overlay] setSublayers:[NSArray arrayWithObjects:nil]];
- }
- /// \bug this will hide path overlays too?
- /// \deprecated syntactic sugar. Might have a place on RMMapView, but not on RMMarkerManager.
- - (void) hideAllMarkers
- {
- [[contents overlay] setHidden:YES];
- }
- /// \bug this will hide path overlays too?
- /// \deprecated syntactic sugar. Might have a place on RMMapView, but not on RMMarkerManager.
- - (void) unhideAllMarkers
- {
- [[contents overlay] setHidden:NO];
- }
- ///////////////////////////////////////////////////////////////////////////////////////////////////
- #pragma mark
- #pragma mark Marker information
- - (NSArray *)markers
- {
- return [[contents overlay] sublayers];
- }
- - (void) removeMarker:(RMMarker *)marker
- {
- [[contents overlay] removeSublayer:marker];
- }
- - (void) removeMarkers:(NSArray *)markers
- {
- [[contents overlay] removeSublayers:markers];
- }
- - (CGPoint) screenCoordinatesForMarker: (RMMarker *)marker
- {
- return [[contents mercatorToScreenProjection] projectXYPoint:[marker projectedLocation]];
- }
- - (CLLocationCoordinate2D) latitudeLongitudeForMarker: (RMMarker *) marker
- {
- return [contents pixelToLatLong:[self screenCoordinatesForMarker:marker]];
- }
- - (NSArray *) markersWithinScreenBounds
- {
- NSMutableArray *markersInScreenBounds = [NSMutableArray array];
- CGRect rect = [[contents mercatorToScreenProjection] screenBounds];
-
- for (RMMarker *marker in [self markers]) {
- if ([self isMarker:marker withinBounds:rect]) {
- [markersInScreenBounds addObject:marker];
- }
- }
-
- return markersInScreenBounds;
- }
- - (BOOL) isMarkerWithinScreenBounds:(RMMarker*)marker
- {
- return [self isMarker:marker withinBounds:[[contents mercatorToScreenProjection] screenBounds]];
- }
- /// \deprecated violates Objective-C naming rules
- - (BOOL) isMarker:(RMMarker*)marker withinBounds:(CGRect)rect
- {
- if (![self managingMarker:marker]) {
- return NO;
- }
-
- CGPoint markerCoord = [self screenCoordinatesForMarker:marker];
-
- if ( markerCoord.x > rect.origin.x
- && markerCoord.x < rect.origin.x + rect.size.width
- && markerCoord.y > rect.origin.y
- && markerCoord.y < rect.origin.y + rect.size.height)
- {
- return YES;
- }
- return NO;
- }
- /// \deprecated violates Objective-C naming rules
- - (BOOL) managingMarker:(RMMarker*)marker
- {
- NSArray *markers = [self markers];
- if (marker != nil && markers != nil && [markers indexOfObject:marker] != NSNotFound) {
- return YES;
- }
- return NO;
- }
- - (void) moveMarker:(RMMarker *)marker AtLatLon:(RMLatLong)point
- {
- [marker setProjectedLocation:[[contents projection]latLongToPoint:point]];
- [marker setPosition:[[contents mercatorToScreenProjection] projectXYPoint:[[contents projection] latLongToPoint:point]]];
- }
- - (void) moveMarker:(RMMarker *)marker AtXY:(CGPoint)point
- {
- [marker setProjectedLocation:[[contents mercatorToScreenProjection] projectScreenPointToXY:point]];
- [marker setPosition:point];
- }
- - (void)setRotation:(float)angle
- {
- rotationTransform = CGAffineTransformMakeRotation(angle); // store rotation transform for subsequent markers
- for (RMMarker *marker in [self markers])
- {
- // only apply rotation if the marker has it enabled
- if (marker.enableRotation) {
- [marker setAffineTransform:rotationTransform];
- } else {
- [marker setAffineTransform:CGAffineTransformMakeRotation(0.0f)];
- }
- }
- }
- @end