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gpx.studio/website/src/lib/logic/file-actions.ts

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import { fileStateCollection } from '$lib/logic/file-state';
import { fileActionManager } from '$lib/logic/file-action-manager';
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import { applyToOrderedItemsFromFile, copied, cut, selection } from '$lib/logic/selection';
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import { currentTool, Tool } from '$lib/components/toolbar/tools';
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import { SplitType } from '$lib/components/toolbar/tools/scissors/scissors';
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import {
ListFileItem,
ListLevel,
ListRootItem,
ListTrackItem,
ListTrackSegmentItem,
ListWaypointItem,
ListWaypointsItem,
sortItems,
type ListItem,
} from '$lib/components/file-list/file-list';
import { i18n } from '$lib/i18n.svelte';
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import { freeze, type WritableDraft } from 'immer';
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import {
GPXFile,
parseGPX,
Track,
TrackPoint,
TrackSegment,
Waypoint,
type Coordinates,
type LineStyleExtension,
type WaypointType,
} from 'gpx';
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import { get } from 'svelte/store';
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import { settings } from '$lib/logic/settings';
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import { getClosestLinePoint, getClosestTrackSegments, getElevation } from '$lib/utils';
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import { gpxStatistics } from '$lib/logic/statistics';
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import { boundsManager } from './bounds';
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// Generate unique file ids, different from the ones in the database
export function getFileIds(n: number) {
let ids = [];
for (let index = 0; ids.length < n; index++) {
let id = `gpx-${index}`;
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if (!fileStateCollection.getFile(id)) {
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ids.push(id);
}
}
return ids;
}
export function newGPXFile() {
const newFileName = i18n._('menu.new_file');
let file = new GPXFile();
let maxNewFileNumber = 0;
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fileStateCollection.forEach((fileId, file) => {
if (file.metadata.name && file.metadata.name.startsWith(newFileName)) {
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let number = parseInt(file.metadata.name.split(' ').pop() ?? '0');
if (!isNaN(number) && number > maxNewFileNumber) {
maxNewFileNumber = number;
}
}
});
file.metadata.name = `${newFileName} ${maxNewFileNumber + 1}`;
return file;
}
export function createFile() {
let file = newGPXFile();
fileActions.add(file);
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selection.selectFileWhenLoaded(file._data.id);
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currentTool.set(Tool.ROUTING);
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}
export function triggerFileInput() {
const input = document.createElement('input');
input.type = 'file';
input.accept = '.gpx';
input.multiple = true;
input.className = 'hidden';
input.onchange = () => {
if (input.files) {
loadFiles(input.files);
}
};
input.click();
}
export async function loadFiles(list: FileList | File[]) {
let files: GPXFile[] = [];
for (let i = 0; i < list.length; i++) {
let file = await loadFile(list[i]);
if (file) {
files.push(file);
}
}
let ids = fileActions.addMultiple(files);
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selection.selectFileWhenLoaded(ids[0]);
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boundsManager.fitBoundsOnLoad(ids);
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}
export async function loadFile(file: File): Promise<GPXFile | null> {
let result = await new Promise<GPXFile | null>((resolve) => {
const reader = new FileReader();
reader.onload = () => {
let data = reader.result?.toString() ?? null;
if (data) {
let gpx = parseGPX(data);
if (gpx.metadata === undefined) {
gpx.metadata = {};
}
if (gpx.metadata.name === undefined || gpx.metadata.name.trim() === '') {
gpx.metadata.name = file.name.split('.').slice(0, -1).join('.');
}
resolve(gpx);
} else {
resolve(null);
}
};
reader.readAsText(file);
});
return result;
}
// Helper functions for file operations
export const fileActions = {
add: (file: GPXFile) => {
if (file._data.id === undefined) {
file._data.id = getFileIds(1)[0];
}
return fileActionManager.applyGlobal((draft) => {
draft.set(file._data.id, freeze(file));
});
},
addMultiple: (files: GPXFile[]) => {
let ids = getFileIds(files.length);
fileActionManager.applyGlobal((draft) => {
files.forEach((file, index) => {
file._data.id = ids[index];
draft.set(file._data.id, freeze(file));
});
});
return ids;
},
duplicateSelection: () => {
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if (get(selection).size === 0) {
return;
}
fileActionManager.applyGlobal((draft) => {
let ids = getFileIds(get(settings.fileOrder).length);
let index = 0;
selection.applyToOrderedSelectedItemsFromFile((fileId, level, items) => {
if (level === ListLevel.FILE) {
let file = fileStateCollection.getFile(fileId);
if (file) {
let newFile = file.clone();
newFile._data.id = ids[index++];
draft.set(newFile._data.id, freeze(newFile));
}
} else {
let file = draft.get(fileId);
if (file) {
if (level === ListLevel.TRACK) {
for (let item of items) {
let trackIndex = (item as ListTrackItem).getTrackIndex();
file.replaceTracks(trackIndex + 1, trackIndex, [
file.trk[trackIndex].clone(),
]);
}
} else if (level === ListLevel.SEGMENT) {
for (let item of items) {
let trackIndex = (item as ListTrackSegmentItem).getTrackIndex();
let segmentIndex = (item as ListTrackSegmentItem).getSegmentIndex();
file.replaceTrackSegments(
trackIndex,
segmentIndex + 1,
segmentIndex,
[file.trk[trackIndex].trkseg[segmentIndex].clone()]
);
}
} else if (level === ListLevel.WAYPOINTS) {
file.replaceWaypoints(
file.wpt.length,
file.wpt.length - 1,
file.wpt.map((wpt) => wpt.clone())
);
} else if (level === ListLevel.WAYPOINT) {
for (let item of items) {
let waypointIndex = (item as ListWaypointItem).getWaypointIndex();
file.replaceWaypoints(waypointIndex + 1, waypointIndex, [
file.wpt[waypointIndex].clone(),
]);
}
}
}
}
});
});
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},
addNewTrack: (fileId: string) => {
fileActionManager.applyToFile(fileId, (file) =>
file.replaceTracks(file.trk.length, file.trk.length, [new Track()])
);
},
addNewSegment: (fileId: string, trackIndex: number) => {
fileActionManager.applyToFile(fileId, (file) => {
let track = file.trk[trackIndex];
track.replaceTrackSegments(track.trkseg.length, track.trkseg.length, [
new TrackSegment(),
]);
});
},
reverseSelection: () => {
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if (
!get(selection).hasAnyChildren(new ListRootItem(), true, ['waypoints']) ||
get(gpxStatistics).global.length <= 1
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) {
return;
}
fileActionManager.applyGlobal((draft) => {
selection.applyToOrderedSelectedItemsFromFile((fileId, level, items) => {
let file = draft.get(fileId);
if (file) {
if (level === ListLevel.FILE) {
file.reverse();
} else if (level === ListLevel.TRACK) {
for (let item of items) {
let trackIndex = (item as ListTrackItem).getTrackIndex();
file.reverseTrack(trackIndex);
}
} else if (level === ListLevel.SEGMENT) {
for (let item of items) {
let trackIndex = (item as ListTrackSegmentItem).getTrackIndex();
let segmentIndex = (item as ListTrackSegmentItem).getSegmentIndex();
file.reverseTrackSegment(trackIndex, segmentIndex);
}
}
}
});
});
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},
createRoundTripForSelection() {
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if (!get(selection).hasAnyChildren(new ListRootItem(), true, ['waypoints'])) {
return;
}
fileActionManager.applyGlobal((draft) => {
selection.applyToOrderedSelectedItemsFromFile((fileId, level, items) => {
let file = draft.get(fileId);
if (file) {
if (level === ListLevel.FILE) {
file.roundTrip();
} else if (level === ListLevel.TRACK) {
for (let item of items) {
let trackIndex = (item as ListTrackItem).getTrackIndex();
file.roundTripTrack(trackIndex);
}
} else if (level === ListLevel.SEGMENT) {
for (let item of items) {
let trackIndex = (item as ListTrackSegmentItem).getTrackIndex();
let segmentIndex = (item as ListTrackSegmentItem).getSegmentIndex();
file.roundTripTrackSegment(trackIndex, segmentIndex);
}
}
}
});
});
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},
mergeSelection: (mergeTraces: boolean, removeGaps: boolean) => {
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fileActionManager.applyGlobal((draft) => {
let first = true;
let target: ListItem = new ListRootItem();
let targetFile: GPXFile | undefined = undefined;
let toMerge: {
trk: Track[];
trkseg: TrackSegment[];
wpt: Waypoint[];
} = {
trk: [],
trkseg: [],
wpt: [],
};
selection.applyToOrderedSelectedItemsFromFile((fileId, level, items) => {
let file = draft.get(fileId);
let originalFile = fileStateCollection.getFile(fileId);
if (file && originalFile) {
if (level === ListLevel.FILE) {
toMerge.trk.push(...originalFile.trk.map((track) => track.clone()));
for (const wpt of originalFile.wpt) {
if (!toMerge.wpt.some((w) => w.equals(wpt))) {
toMerge.wpt.push(wpt.clone());
}
}
if (first) {
target = items[0];
targetFile = file;
} else {
draft.delete(fileId);
}
} else {
if (level === ListLevel.TRACK) {
items.forEach((item, index) => {
let trackIndex = (item as ListTrackItem).getTrackIndex();
toMerge.trkseg.splice(
0,
0,
...originalFile.trk[trackIndex].trkseg.map((segment) =>
segment.clone()
)
);
if (index === items.length - 1) {
// Order is reversed, so the last track is the first one and the one to keep
target = item;
file.trk[trackIndex].trkseg = [];
} else {
file.trk.splice(trackIndex, 1);
}
});
} else if (level === ListLevel.SEGMENT) {
items.forEach((item, index) => {
let trackIndex = (item as ListTrackSegmentItem).getTrackIndex();
let segmentIndex = (item as ListTrackSegmentItem).getSegmentIndex();
if (index === items.length - 1) {
// Order is reversed, so the last segment is the first one and the one to keep
target = item;
}
toMerge.trkseg.splice(
0,
0,
originalFile.trk[trackIndex].trkseg[segmentIndex].clone()
);
file.trk[trackIndex].trkseg.splice(segmentIndex, 1);
});
}
targetFile = file;
}
first = false;
}
});
if (mergeTraces) {
let statistics = get(gpxStatistics);
let speed =
statistics.global.speed.moving > 0 ? statistics.global.speed.moving : undefined;
let startTime: Date | undefined = undefined;
if (speed !== undefined) {
if (
statistics.global.length > 0 &&
statistics.getTrackPoint(0)!.trkpt.time !== undefined
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) {
startTime = statistics.getTrackPoint(0)!.trkpt.time;
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} else {
for (let i = 0; i < statistics.global.length; i++) {
const point = statistics.getTrackPoint(i)!;
if (point.trkpt.time !== undefined) {
startTime = new Date(
point.trkpt.time.getTime() -
(1000 * 3600 * point.distance.total) / speed
);
break;
}
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}
}
}
if (toMerge.trk.length > 0 && toMerge.trk[0].trkseg.length > 0) {
let s = new TrackSegment();
toMerge.trk.map((track) => {
track.trkseg.forEach((segment) => {
s.replaceTrackPoints(
s.trkpt.length,
s.trkpt.length,
segment.trkpt.slice(),
speed,
startTime,
removeGaps
);
});
});
toMerge.trk = [toMerge.trk[0]];
toMerge.trk[0].trkseg = [s];
}
if (toMerge.trkseg.length > 0) {
let s = new TrackSegment();
toMerge.trkseg.forEach((segment) => {
s.replaceTrackPoints(
s.trkpt.length,
s.trkpt.length,
segment.trkpt.slice(),
speed,
startTime,
removeGaps
);
});
toMerge.trkseg = [s];
}
}
if (targetFile) {
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targetFile = targetFile as GPXFile;
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if (target instanceof ListFileItem) {
targetFile.replaceTracks(0, targetFile.trk.length - 1, toMerge.trk);
targetFile.replaceWaypoints(0, targetFile.wpt.length - 1, toMerge.wpt);
} else if (target instanceof ListTrackItem) {
let trackIndex = target.getTrackIndex();
targetFile.replaceTrackSegments(trackIndex, 0, -1, toMerge.trkseg);
} else if (target instanceof ListTrackSegmentItem) {
let trackIndex = target.getTrackIndex();
let segmentIndex = target.getSegmentIndex();
targetFile.replaceTrackSegments(
trackIndex,
segmentIndex,
segmentIndex - 1,
toMerge.trkseg
);
}
}
});
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},
cropSelection: (start: number, end: number) => {
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if (get(selection).size === 0) {
return;
}
fileActionManager.applyGlobal((draft) => {
selection.applyToOrderedSelectedItemsFromFile((fileId, level, items) => {
let file = draft.get(fileId);
if (file) {
if (level === ListLevel.FILE) {
let length = file.getNumberOfTrackPoints();
if (start >= length || end < 0) {
draft.delete(fileId);
} else if (start > 0 || end < length - 1) {
file.crop(Math.max(0, start), Math.min(length - 1, end));
}
start -= length;
end -= length;
} else if (level === ListLevel.TRACK) {
let trackIndices = items.map((item) =>
(item as ListTrackItem).getTrackIndex()
);
file.crop(start, end, trackIndices);
} else if (level === ListLevel.SEGMENT) {
let trackIndices = [(items[0] as ListTrackSegmentItem).getTrackIndex()];
let segmentIndices = items.map((item) =>
(item as ListTrackSegmentItem).getSegmentIndex()
);
file.crop(start, end, trackIndices, segmentIndices);
}
}
}, false);
});
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},
extractSelection: () => {
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return fileActionManager.applyGlobal((draft) => {
selection.applyToOrderedSelectedItemsFromFile((fileId, level, items) => {
if (level === ListLevel.FILE) {
let file = fileStateCollection.getFile(fileId);
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let statistics = fileStateCollection.getStatistics(fileId);
if (file && statistics) {
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if (file.trk.length > 1) {
let fileIds = getFileIds(file.trk.length);
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let closest = file.wpt.map((wpt) =>
getClosestTrackSegments(file, statistics, wpt.getCoordinates())
);
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file.trk.forEach((track, index) => {
let newFile = file.clone();
let tracks = track.trkseg.map((segment, segmentIndex) => {
let t = track.clone();
t.replaceTrackSegments(0, track.trkseg.length - 1, [segment]);
if (track.name) {
t.name = `${track.name} (${segmentIndex + 1})`;
}
return t;
});
newFile.replaceTracks(0, file.trk.length - 1, tracks);
newFile.replaceWaypoints(
0,
file.wpt.length - 1,
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file.wpt.filter((wpt, wptIndex) =>
closest[wptIndex].some(
([trackIndex, segmentIndex]) => trackIndex === index
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)
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)
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);
newFile._data.id = fileIds[index];
newFile.metadata.name =
track.name ?? `${file.metadata.name} (${index + 1})`;
draft.set(newFile._data.id, freeze(newFile));
});
} else if (file.trk.length === 1) {
let fileIds = getFileIds(file.trk[0].trkseg.length);
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let closest = file.wpt.map((wpt) =>
getClosestTrackSegments(file, statistics, wpt.getCoordinates())
);
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file.trk[0].trkseg.forEach((segment, index) => {
let newFile = file.clone();
newFile.replaceTrackSegments(0, 0, file.trk[0].trkseg.length - 1, [
segment,
]);
newFile.replaceWaypoints(
0,
file.wpt.length - 1,
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file.wpt.filter((wpt, wptIndex) =>
closest[wptIndex].some(
([trackIndex, segmentIndex]) => segmentIndex === index
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)
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)
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);
newFile._data.id = fileIds[index];
newFile.metadata.name = `${file.trk[0].name ?? file.metadata.name} (${index + 1})`;
draft.set(newFile._data.id, freeze(newFile));
});
}
draft.delete(fileId);
}
} else if (level === ListLevel.TRACK) {
let file = draft.get(fileId);
if (file) {
for (let item of items) {
let trackIndex = (item as ListTrackItem).getTrackIndex();
let track = file.trk[trackIndex];
let tracks = track.trkseg.map((segment, segmentIndex) => {
let t = track.clone();
t.replaceTrackSegments(0, track.trkseg.length - 1, [segment]);
if (track.name) {
t.name = `${track.name} (${segmentIndex + 1})`;
}
return t;
});
file.replaceTracks(trackIndex, trackIndex, tracks);
}
}
}
});
});
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},
split(
splitType: SplitType,
fileId: string,
trackIndex: number,
segmentIndex: number,
coordinates: Coordinates,
trkptIndex?: number
) {
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return fileActionManager.applyGlobal((draft) => {
let file = fileStateCollection.getFile(fileId);
if (file) {
let segment = file.trk[trackIndex].trkseg[segmentIndex];
let minIndex = 0;
if (trkptIndex === undefined) {
// Find the point closest to split
let closest = getClosestLinePoint(segment.trkpt, coordinates);
minIndex = closest._data.index;
} else {
minIndex = trkptIndex;
}
let absoluteIndex = minIndex;
file.forEachSegment((seg, trkIndex, segIndex) => {
if (
(trkIndex < trackIndex && splitType === SplitType.FILES) ||
(trkIndex === trackIndex && segIndex < segmentIndex)
) {
absoluteIndex += seg.trkpt.length;
}
});
if (splitType === SplitType.FILES) {
let newFile = draft.get(fileId);
if (newFile) {
newFile.crop(0, absoluteIndex);
let newFile2 = file.clone();
newFile2._data.id = getFileIds(1)[0];
newFile2.crop(absoluteIndex, file.getNumberOfTrackPoints() - 1);
draft.set(newFile2._data.id, freeze(newFile2));
}
} else if (splitType === SplitType.TRACKS) {
let newFile = draft.get(fileId);
if (newFile) {
let start = file.trk[trackIndex].clone();
start.crop(0, absoluteIndex);
let end = file.trk[trackIndex].clone();
end.crop(absoluteIndex, file.trk[trackIndex].getNumberOfTrackPoints() - 1);
newFile.replaceTracks(trackIndex, trackIndex, [start, end]);
}
} else if (splitType === SplitType.SEGMENTS) {
let newFile = draft.get(fileId);
if (newFile) {
let start = segment.clone();
start.crop(0, minIndex);
let end = segment.clone();
end.crop(minIndex, segment.trkpt.length - 1);
newFile.replaceTrackSegments(trackIndex, segmentIndex, segmentIndex, [
start,
end,
]);
}
}
}
});
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},
cleanSelection: (
bounds: [Coordinates, Coordinates],
inside: boolean,
deleteTrackPoints: boolean,
deleteWaypoints: boolean
) => {
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if (get(selection).size === 0) {
return;
}
fileActionManager.applyGlobal((draft) => {
selection.applyToOrderedSelectedItemsFromFile((fileId, level, items) => {
let file = draft.get(fileId);
if (file) {
if (level === ListLevel.FILE) {
file.clean(bounds, inside, deleteTrackPoints, deleteWaypoints);
} else if (level === ListLevel.TRACK) {
let trackIndices = items.map((item) =>
(item as ListTrackItem).getTrackIndex()
);
file.clean(
bounds,
inside,
deleteTrackPoints,
deleteWaypoints,
trackIndices
);
} else if (level === ListLevel.SEGMENT) {
let trackIndices = [(items[0] as ListTrackSegmentItem).getTrackIndex()];
let segmentIndices = items.map((item) =>
(item as ListTrackSegmentItem).getSegmentIndex()
);
file.clean(
bounds,
inside,
deleteTrackPoints,
deleteWaypoints,
trackIndices,
segmentIndices
);
} else if (level === ListLevel.WAYPOINTS) {
file.clean(bounds, inside, false, deleteWaypoints);
} else if (level === ListLevel.WAYPOINT) {
let waypointIndices = items.map((item) =>
(item as ListWaypointItem).getWaypointIndex()
);
file.clean(bounds, inside, false, deleteWaypoints, [], [], waypointIndices);
}
}
});
});
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},
reduce: (itemsAndPoints: Map<ListItem, TrackPoint[]>) => {
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if (itemsAndPoints.size === 0) {
return;
}
fileActionManager.applyGlobal((draft) => {
let allItems = Array.from(itemsAndPoints.keys());
applyToOrderedItemsFromFile(allItems, (fileId, level, items) => {
let file = draft.get(fileId);
if (file) {
for (let item of items) {
if (item instanceof ListTrackSegmentItem) {
let trackIndex = item.getTrackIndex();
let segmentIndex = item.getSegmentIndex();
let points = itemsAndPoints.get(item);
if (points) {
file.replaceTrackPoints(
trackIndex,
segmentIndex,
0,
file.trk[trackIndex].trkseg[
segmentIndex
].getNumberOfTrackPoints() - 1,
points
);
}
}
}
}
});
});
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},
addOrUpdateWaypoint: (waypoint: WaypointType, item?: ListWaypointItem) => {
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getElevation([waypoint.attributes]).then((elevation) => {
if (item) {
fileActionManager.applyToFile(item.getFileId(), (file) => {
let wpt = file.wpt[item.getWaypointIndex()];
wpt.name = waypoint.name;
wpt.desc = waypoint.desc;
wpt.cmt = waypoint.cmt;
wpt.sym = waypoint.sym;
wpt.link = waypoint.link;
wpt.setCoordinates(waypoint.attributes);
wpt.ele = elevation[0];
});
} else {
let fileIds = new Set<string>();
get(selection)
.getSelected()
.forEach((item) => {
fileIds.add(item.getFileId());
});
let wpt = new Waypoint(waypoint);
wpt.ele = elevation[0];
fileActionManager.applyToFiles(Array.from(fileIds), (file) =>
file.replaceWaypoints(file.wpt.length, file.wpt.length, [wpt])
);
}
});
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},
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deleteWaypoint: (fileId: string, waypointIndex: number) => {
fileActionManager.applyToFile(fileId, (file) =>
file.replaceWaypoints(waypointIndex, waypointIndex, [])
);
},
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setStyleToSelection: (style: LineStyleExtension) => {
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if (get(selection).size === 0) {
return;
}
fileActionManager.applyGlobal((draft) => {
selection.applyToOrderedSelectedItemsFromFile((fileId, level, items) => {
let file = draft.get(fileId);
if (file && (level === ListLevel.FILE || level === ListLevel.TRACK)) {
if (level === ListLevel.FILE) {
file.setStyle(style);
} else if (level === ListLevel.TRACK) {
if (items.length === file.trk.length) {
file.setStyle(style);
} else {
for (let item of items) {
let trackIndex = (item as ListTrackItem).getTrackIndex();
file.trk[trackIndex].setStyle(style);
}
}
}
}
});
});
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},
setHiddenToSelection: (hidden: boolean) => {
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if (get(selection).size === 0) {
return;
}
fileActionManager.applyGlobal((draft) => {
selection.applyToOrderedSelectedItemsFromFile((fileId, level, items) => {
let file = draft.get(fileId);
if (file) {
if (level === ListLevel.FILE) {
file.setHidden(hidden);
} else if (level === ListLevel.TRACK) {
let trackIndices = items.map((item) =>
(item as ListTrackItem).getTrackIndex()
);
file.setHidden(hidden, trackIndices);
} else if (level === ListLevel.SEGMENT) {
let trackIndices = [(items[0] as ListTrackSegmentItem).getTrackIndex()];
let segmentIndices = items.map((item) =>
(item as ListTrackSegmentItem).getSegmentIndex()
);
file.setHidden(hidden, trackIndices, segmentIndices);
} else if (level === ListLevel.WAYPOINTS) {
file.setHiddenWaypoints(hidden);
} else if (level === ListLevel.WAYPOINT) {
let waypointIndices = items.map((item) =>
(item as ListWaypointItem).getWaypointIndex()
);
file.setHiddenWaypoints(hidden, waypointIndices);
}
}
});
});
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},
deleteSelection: () => {
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if (get(selection).size === 0) {
return;
}
fileActionManager.applyGlobal((draft) => {
selection.applyToOrderedSelectedItemsFromFile((fileId, level, items) => {
if (level === ListLevel.FILE) {
draft.delete(fileId);
} else {
let file = draft.get(fileId);
if (file) {
if (level === ListLevel.TRACK) {
for (let item of items) {
let trackIndex = (item as ListTrackItem).getTrackIndex();
file.replaceTracks(trackIndex, trackIndex, []);
}
} else if (level === ListLevel.SEGMENT) {
for (let item of items) {
let trackIndex = (item as ListTrackSegmentItem).getTrackIndex();
let segmentIndex = (item as ListTrackSegmentItem).getSegmentIndex();
file.replaceTrackSegments(
trackIndex,
segmentIndex,
segmentIndex,
[]
);
}
} else if (level === ListLevel.WAYPOINTS) {
file.replaceWaypoints(0, file.wpt.length - 1, []);
} else if (level === ListLevel.WAYPOINT) {
for (let item of items) {
let waypointIndex = (item as ListWaypointItem).getWaypointIndex();
file.replaceWaypoints(waypointIndex, waypointIndex, []);
}
}
}
}
});
});
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},
addElevationToSelection: async (map: mapboxgl.Map) => {
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if (get(selection).size === 0) {
return;
}
let points: (TrackPoint | Waypoint)[] = [];
selection.applyToOrderedSelectedItemsFromFile((fileId, level, items) => {
let file = fileStateCollection.getFile(fileId);
if (file) {
if (level === ListLevel.FILE) {
points.push(...file.getTrackPoints());
points.push(...file.wpt);
} else if (level === ListLevel.TRACK) {
let trackIndices = items.map((item) => (item as ListTrackItem).getTrackIndex());
trackIndices.forEach((trackIndex) => {
points.push(...file.trk[trackIndex].getTrackPoints());
});
} else if (level === ListLevel.SEGMENT) {
let trackIndex = (items[0] as ListTrackSegmentItem).getTrackIndex();
let segmentIndices = items.map((item) =>
(item as ListTrackSegmentItem).getSegmentIndex()
);
segmentIndices.forEach((segmentIndex) => {
points.push(...file.trk[trackIndex].trkseg[segmentIndex].getTrackPoints());
});
} else if (level === ListLevel.WAYPOINTS) {
points.push(...file.wpt);
} else if (level === ListLevel.WAYPOINT) {
let waypointIndices = items.map((item) =>
(item as ListWaypointItem).getWaypointIndex()
);
points.push(...waypointIndices.map((waypointIndex) => file.wpt[waypointIndex]));
}
}
});
if (points.length === 0) {
return;
}
getElevation(points).then((elevations) => {
fileActionManager.applyGlobal((draft) => {
selection.applyToOrderedSelectedItemsFromFile((fileId, level, items) => {
let file = draft.get(fileId);
if (file) {
if (level === ListLevel.FILE) {
file.addElevation(elevations);
} else if (level === ListLevel.TRACK) {
let trackIndices = items.map((item) =>
(item as ListTrackItem).getTrackIndex()
);
file.addElevation(elevations, trackIndices, undefined, []);
} else if (level === ListLevel.SEGMENT) {
let trackIndices = [(items[0] as ListTrackSegmentItem).getTrackIndex()];
let segmentIndices = items.map((item) =>
(item as ListTrackSegmentItem).getSegmentIndex()
);
file.addElevation(elevations, trackIndices, segmentIndices, []);
} else if (level === ListLevel.WAYPOINTS) {
file.addElevation(elevations, [], [], undefined);
} else if (level === ListLevel.WAYPOINT) {
let waypointIndices = items.map((item) =>
(item as ListWaypointItem).getWaypointIndex()
);
file.addElevation(elevations, [], [], waypointIndices);
}
}
});
});
});
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},
deleteSelectedFiles: () => {
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if (get(selection).size === 0) {
return;
}
fileActionManager.applyGlobal((draft) => {
selection.applyToOrderedSelectedItemsFromFile((fileId, level, items) => {
draft.delete(fileId);
});
});
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},
deleteAllFiles: () => {
fileActionManager.applyGlobal((draft) => {
draft.clear();
});
},
};
export function pasteSelection() {
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let fromItems = get(copied);
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if (fromItems === undefined || fromItems.length === 0) {
return;
}
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let selected = get(selection).getSelected();
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if (selected.length === 0) {
selected = [new ListRootItem()];
}
let fromParent = fromItems[0].getParent();
let toParent = selected[selected.length - 1];
let startIndex: number | undefined = undefined;
if (fromItems[0].level === toParent.level) {
if (
toParent instanceof ListTrackItem ||
toParent instanceof ListTrackSegmentItem ||
toParent instanceof ListWaypointItem
) {
startIndex = toParent.getId() + 1;
}
toParent = toParent.getParent();
}
let toItems: ListItem[] = [];
if (toParent.level === ListLevel.ROOT) {
let fileIds = getFileIds(fromItems.length);
fileIds.forEach((fileId) => {
toItems.push(new ListFileItem(fileId));
});
} else {
let toFile = fileStateCollection.getFile(toParent.getFileId());
if (toFile) {
fromItems.forEach((item, index) => {
if (toParent instanceof ListFileItem) {
if (item instanceof ListTrackItem || item instanceof ListTrackSegmentItem) {
toItems.push(
new ListTrackItem(
toParent.getFileId(),
(startIndex ?? toFile.trk.length) + index
)
);
} else if (item instanceof ListWaypointsItem) {
toItems.push(new ListWaypointsItem(toParent.getFileId()));
} else if (item instanceof ListWaypointItem) {
toItems.push(
new ListWaypointItem(
toParent.getFileId(),
(startIndex ?? toFile.wpt.length) + index
)
);
}
} else if (toParent instanceof ListTrackItem) {
if (item instanceof ListTrackSegmentItem) {
let toTrackIndex = toParent.getTrackIndex();
toItems.push(
new ListTrackSegmentItem(
toParent.getFileId(),
toTrackIndex,
(startIndex ?? toFile.trk[toTrackIndex].trkseg.length) + index
)
);
}
} else if (toParent instanceof ListWaypointsItem) {
if (item instanceof ListWaypointItem) {
toItems.push(
new ListWaypointItem(
toParent.getFileId(),
(startIndex ?? toFile.wpt.length) + index
)
);
}
}
});
}
}
if (fromItems.length === toItems.length) {
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moveItems(fromParent, toParent, fromItems, toItems, get(cut));
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selection.resetCopied();
}
}
export function moveItems(
fromParent: ListItem,
toParent: ListItem,
fromItems: ListItem[],
toItems: ListItem[],
remove: boolean = true
) {
if (fromItems.length === 0) {
return;
}
sortItems(fromItems, false);
sortItems(toItems, false);
let context: (GPXFile | Track | TrackSegment | Waypoint[] | Waypoint)[] = [];
fromItems.forEach((item) => {
let file = fileStateCollection.getFile(item.getFileId());
if (file) {
if (item instanceof ListFileItem) {
context.push(file.clone());
} else if (item instanceof ListTrackItem && item.getTrackIndex() < file.trk.length) {
context.push(file.trk[item.getTrackIndex()].clone());
} else if (
item instanceof ListTrackSegmentItem &&
item.getTrackIndex() < file.trk.length &&
item.getSegmentIndex() < file.trk[item.getTrackIndex()].trkseg.length
) {
context.push(file.trk[item.getTrackIndex()].trkseg[item.getSegmentIndex()].clone());
} else if (item instanceof ListWaypointsItem) {
context.push(file.wpt.map((wpt) => wpt.clone()));
} else if (
item instanceof ListWaypointItem &&
item.getWaypointIndex() < file.wpt.length
) {
context.push(file.wpt[item.getWaypointIndex()].clone());
}
}
});
if (remove && !(fromParent instanceof ListRootItem)) {
sortItems(fromItems, true);
}
let files = [fromParent.getFileId(), toParent.getFileId()];
let callbacks = [
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(
file: WritableDraft<GPXFile>,
context: (GPXFile | Track | TrackSegment | Waypoint[] | Waypoint)[]
) => {
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fromItems.forEach((item) => {
if (item instanceof ListTrackItem) {
file.replaceTracks(item.getTrackIndex(), item.getTrackIndex(), []);
} else if (item instanceof ListTrackSegmentItem) {
file.replaceTrackSegments(
item.getTrackIndex(),
item.getSegmentIndex(),
item.getSegmentIndex(),
[]
);
} else if (item instanceof ListWaypointsItem) {
file.replaceWaypoints(0, file.wpt.length - 1, []);
} else if (item instanceof ListWaypointItem) {
file.replaceWaypoints(item.getWaypointIndex(), item.getWaypointIndex(), []);
}
});
},
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(
file: WritableDraft<GPXFile>,
context: (GPXFile | Track | TrackSegment | Waypoint[] | Waypoint)[]
) => {
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toItems.forEach((item, i) => {
if (item instanceof ListTrackItem) {
if (context[i] instanceof Track) {
file.replaceTracks(item.getTrackIndex(), item.getTrackIndex() - 1, [
context[i],
]);
} else if (context[i] instanceof TrackSegment) {
file.replaceTracks(item.getTrackIndex(), item.getTrackIndex() - 1, [
new Track({
trkseg: [context[i]],
}),
]);
}
} else if (
item instanceof ListTrackSegmentItem &&
context[i] instanceof TrackSegment
) {
file.replaceTrackSegments(
item.getTrackIndex(),
item.getSegmentIndex(),
item.getSegmentIndex() - 1,
[context[i]]
);
} else if (item instanceof ListWaypointsItem) {
if (
Array.isArray(context[i]) &&
context[i].length > 0 &&
context[i][0] instanceof Waypoint
) {
file.replaceWaypoints(file.wpt.length, file.wpt.length - 1, context[i]);
} else if (context[i] instanceof Waypoint) {
file.replaceWaypoints(file.wpt.length, file.wpt.length - 1, [context[i]]);
}
} else if (item instanceof ListWaypointItem && context[i] instanceof Waypoint) {
file.replaceWaypoints(item.getWaypointIndex(), item.getWaypointIndex() - 1, [
context[i],
]);
}
});
},
];
if (fromParent instanceof ListRootItem) {
files = [];
callbacks = [];
} else if (!remove) {
files.splice(0, 1);
callbacks.splice(0, 1);
}
fileActionManager.applyEachToFilesAndGlobal(
files,
callbacks,
(files, context: (GPXFile | Track | TrackSegment | Waypoint[] | Waypoint)[]) => {
toItems.forEach((item, i) => {
if (item instanceof ListFileItem) {
if (context[i] instanceof GPXFile) {
let newFile = context[i];
if (remove) {
files.delete(newFile._data.id);
}
newFile._data.id = item.getFileId();
files.set(item.getFileId(), freeze(newFile));
} else if (context[i] instanceof Track) {
let newFile = newGPXFile();
newFile._data.id = item.getFileId();
if (context[i].name) {
newFile.metadata.name = context[i].name;
}
newFile.replaceTracks(0, 0, [context[i]]);
files.set(item.getFileId(), freeze(newFile));
} else if (context[i] instanceof TrackSegment) {
let newFile = newGPXFile();
newFile._data.id = item.getFileId();
newFile.replaceTracks(0, 0, [
new Track({
trkseg: [context[i]],
}),
]);
files.set(item.getFileId(), freeze(newFile));
}
}
});
},
context
);
selection.set(toItems);
}