markus/lifo-dijkstraserv
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editor: Add reverse backwards drawing mode and improve the reset handler

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This commit is contained in:
Markus Koch 2020-04-19 20:54:57 +02:00
parent 8ca10033f9
commit ab2e50f851
1 changed files with 33 additions and 11 deletions
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44
htdocs/streeteditor.js
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@ -1,6 +1,7 @@
const queryString = window.location.search;
const urlParams = new URLSearchParams(queryString);
editor_mode = urlParams.has('editor');
if (editor_mode) {
var draw_layer;
var polyline;
@ -13,13 +14,21 @@ if (editor_mode) {
return latlng;
}
function start_editing(e) {
function start_editing(dir = 1) {
// TODO: Check whether we already are in edit mode
// TODO: Detect whether we are cloner to the tail or the head, and issue Fwd or Bwd accordingly
if (polyline)
polyline.editor.continueForward();
else
if (polyline) {
if (dir)
polyline.editor.continueForward();
else
polyline.editor.continueBackward();
} else {
polyline = mymap.editTools.startPolyline();
}
}
function start_reverse_editing() {
start_editing(0);
}
function strToPoints(str) {
@ -41,10 +50,6 @@ if (editor_mode) {
}
function onLoad(interactive = 1) {
if (polyline) {
polyline.remove(mymap);
polyline = undefined;
}
if (interactive) {
str = prompt("Instructions: \n" +
"* Click the scribble-icon in the top left to start or continue drawing.\n" +
@ -52,10 +57,17 @@ if (editor_mode) {
"* Double click a waypoint to delete it.\n" +
"* Click save in the top right to get the new string.\n\n" +
"Enter existing waypoints in the following format: [x,y],[x,y]:", window.location.hash.slice(1));
if (!str)
return;
} else {
str = window.location.hash.slice(1);
}
if (polyline) {
polyline.remove(mymap);
polyline = undefined;
}
if (str) {
coords = strToPoints(str);
for (var i = 0; i < coords.length; i++) {
@ -97,7 +109,7 @@ if (editor_mode) {
}
function show_location_string(e) {
prompt("Copy this string back into the Wiki and wait for a few hours:", get_location_string());
prompt("Copy this string back into the Wiki and wait for the server to refresh the maps:", get_location_string());
}
function reset_path(e) {
@ -131,7 +143,7 @@ if (editor_mode) {
position: 'topleft',
callback: reset_path,
title: 'Enter path coordinates',
html: '↺'
html: '📂'
}
});
@ -139,11 +151,20 @@ if (editor_mode) {
options: {
position: 'topleft',
callback: start_editing,
title: 'Start editing',
title: 'Start editing (forward)',
html: '\\/\\'
}
});
L.StartReverseEditControl = L.EditControl.extend({
options: {
position: 'topleft',
callback: start_reverse_editing,
title: 'Start editing (backward)',
html: '↺'
}
});
L.NewLineControl = L.EditControl.extend({
options: {
position: 'topleft',
@ -156,6 +177,7 @@ if (editor_mode) {
mymap.addControl(new L.NewLineControl());
mymap.addControl(new L.ResetPathControl());
mymap.addControl(new L.StartEditControl());
mymap.addControl(new L.StartReverseEditControl());
onLoad();
}