1 | /* |
2 | Copyright - 2020 - wwwouaiebe - Contact: http//www.ouaie.be/ |
3 | |
4 | This program is free software; |
5 | you can redistribute it and/or modify it under the terms of the |
6 | GNU General Public License as published by the Free Software Foundation; |
7 | either version 3 of the License, or any later version. |
8 | |
9 | This program is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
12 | GNU General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU General Public License |
15 | along with this program; if not, write to the Free Software |
16 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
17 | */ |
18 | /* |
19 | Changes: |
20 | - v4.0.0: |
21 | - created from v3.6.0 |
22 | Doc reviewed 202208 |
23 | */ |
24 | |
25 | import theGeometry from '../../core/lib/Geometry.js'; |
26 | import theDataSearchEngine from '../../data/DataSearchEngine.js'; |
27 | import SvgProfileBuilder from '../../core/lib/SvgProfileBuilder.js'; |
28 | import { ZERO, TWO } from '../../main/Constants.js'; |
29 | |
30 | /* ------------------------------------------------------------------------------------------------------------------------- */ |
31 | /** |
32 | Base class for Svg event listeners |
33 | */ |
34 | /* ------------------------------------------------------------------------------------------------------------------------- */ |
35 | |
36 | class BaseSvgEL { |
37 | |
38 | /** |
39 | The constructor |
40 | */ |
41 | |
42 | constructor ( ) { |
43 | Object.freeze ( this ); |
44 | } |
45 | |
46 | /** |
47 | Get the lat, lng, elevation, ascent and distance from the route origin at the mouse position on the svg |
48 | @param {Event} mouseEvent The triggered event |
49 | @return {LatLngElevOnRoute} An object with the lat, lng, elevation, ascent and distance from the route origin |
50 | at the mouse position on the svg |
51 | */ |
52 | |
53 | getlatLngElevOnRouteAtMousePosition ( mouseEvent ) { |
54 | const route = theDataSearchEngine.getRoute ( Number.parseInt ( mouseEvent.currentTarget.dataset.tanObjId ) ); |
55 | const clientRect = mouseEvent.currentTarget.getBoundingClientRect ( ); |
56 | const routeDist = |
57 | ( |
58 | ( mouseEvent.clientX - clientRect.x - |
59 | ( |
60 | ( SvgProfileBuilder.PROFILE_MARGIN / |
61 | ( ( TWO * SvgProfileBuilder.PROFILE_MARGIN ) + SvgProfileBuilder.PROFILE_WIDTH ) |
62 | ) * clientRect.width ) |
63 | ) / |
64 | ( |
65 | ( SvgProfileBuilder.PROFILE_WIDTH / |
66 | ( ( TWO * SvgProfileBuilder.PROFILE_MARGIN ) + SvgProfileBuilder.PROFILE_WIDTH ) |
67 | ) * clientRect.width ) |
68 | ) * route.distance; |
69 | if ( ZERO < routeDist && routeDist < route.distance ) { |
70 | return theGeometry.getLatLngElevAtDist ( route, routeDist ); |
71 | } |
72 | |
73 | return null; |
74 | } |
75 | } |
76 | |
77 | export default BaseSvgEL; |
78 | |
79 | /* --- End of file --------------------------------------------------------------------------------------------------------- */ |
80 |