From 31e5ea00e17a8c11169753993df97e6d8fb191ab Mon Sep 17 00:00:00 2001
From: Jacek Kowalski <Jacek@jacekk.info>
Date: Sat, 09 Feb 2019 17:31:01 +0000
Subject: [PATCH] Fix collapse button location on mobile displays

---
 map.js |  411 +++++++++++++++++++++++++++++++++++++++-------------------
 1 files changed, 278 insertions(+), 133 deletions(-)

diff --git a/map.js b/map.js
index 3705044..d968325 100644
--- a/map.js
+++ b/map.js
@@ -3,6 +3,14 @@
 var ttss_refresh = 10000; // 10 seconds
 var ttss_position_type = 'CORRECTED';
 
+var geolocation = null;
+var geolocation_set = 0;
+var geolocation_button = null;
+var geolocation_feature = null;
+var geolocation_accuracy = null;
+var geolocation_source = null;
+var geolocation_layer = null;
+
 var trams_xhr = null;
 var trams_timer = null;
 var trams_last_update = 0;
@@ -38,19 +46,85 @@
 var route_layer = null;
 
 var map = null;
-var popup_element = document.getElementById('popup');
-var popup_close_callback;
+
+var panel = null;
+
 var fail_element = document.getElementById('fail');
+var fail_text = document.querySelector('#fail span');
 
 var ignore_hashchange = false;
 
-function fail(msg) {
-	setText(fail_element, msg);
-	fail_element.style.top = '0.5em';
-}
 
-function fail_popup(msg) {
-	addElementWithText(popup_element, 'p', msg).className = 'error';
+function Panel(element) {
+	this._element = element;
+	this._element.classList.add('panel');
+	
+	this._hide = addParaWithText(this._element, '▶');
+	this._hide.title = lang.action_collapse;
+	this._hide.className = 'hide';
+	this._hide.addEventListener('click', this.toggleExpanded.bind(this));
+	
+	this._close = addParaWithText(this._element, '×');
+	this._close.title = lang.action_close;
+	this._close.className = 'close';
+	this._close.addEventListener('click', this.close.bind(this));
+	
+	this._content = document.createElement('div');
+	this._element.appendChild(this._content);
+};
+Panel.prototype = {
+	_element: null,
+	_hide: null,
+	_close: null,
+	_content: null,
+	
+	_closeCallback: null,
+	_runCallback: function() {
+		var callback = this.closeCallback;
+		this.closeCallback = null;
+		if(callback) callback();
+	},
+	
+	expand: function() {
+		this._element.classList.add('expanded');
+		setText(this._hide, '▶');
+		this._hide.title = lang.action_collapse;
+	},
+	collapse: function() {
+		this._element.classList.remove('expanded');
+		setText(this._hide, '◀');
+		this._hide.title = lang.action_expand;
+	},
+	toggleExpanded: function() {
+		if(this._element.classList.contains('expanded')) {
+			this.collapse();
+		} else {
+			this.expand();
+		}
+	},
+	fail: function(message) {
+		addParaWithText(this._content, message).className = 'error';
+	},
+	show: function(contents, closeCallback) {
+		this._runCallback();
+		this.closeCallback = closeCallback;
+		
+		deleteChildren(this._content);
+		
+		this._content.appendChild(contents);
+		this._element.classList.add('enabled');
+		setTimeout(this.expand.bind(this), 1);
+	},
+	close: function() {
+		this._runCallback();
+		this._element.classList.remove('expanded');
+		this._element.classList.remove('enabled');
+	},
+};
+
+function fail(msg) {
+	setText(fail_text, msg);
+	fail_element.style.top = '0.5em';
 }
 
 function fail_ajax_generic(data, fnc) {
@@ -71,7 +145,7 @@
 }
 
 function fail_ajax_popup(data) {
-	fail_ajax_generic(data, fail_popup);
+	fail_ajax_generic(data, panel.fail.bind(panel));
 }
 
 function getGeometry(object) {
@@ -453,38 +527,13 @@
 	}).fail(fail_ajax_popup);
 }
 
-function showPanel(contents, closeCallback) {
-	var old_callback = popup_close_callback;
-	popup_close_callback = null;
-	if(old_callback) old_callback();
-	popup_close_callback = closeCallback;
-	
-	deleteChildren(popup_element);
-	
-	var close = addParaWithText(popup_element, '×');
-	close.className = 'close';
-	close.addEventListener('click', function() { hidePanel(); });
-	
-	popup_element.appendChild(contents);
-	
-	$(popup_element).addClass('show');
-}
-
-function hidePanel() {
-	var old_callback = popup_close_callback;
-	popup_close_callback = null;
-	if(old_callback) old_callback();
-	
-	$(popup_element).removeClass('show');
-}
-
 function featureClicked(feature) {
 	if(feature && !feature.getId()) return;
 	
 	unstyleSelectedFeatures();
 	
 	if(!feature) {
-		hidePanel();
+		panel.close();
 		return;
 	}
 	
@@ -501,7 +550,14 @@
 	table.appendChild(thead);
 	table.appendChild(tbody);
 	
+	var tabular_data = true;
+	
 	switch(feature.getId().substr(0, 1)) {
+		case 'l':
+			tabular_data = false;
+			type = '';
+			name = lang.type_location;
+		break;
 		case 't':
 		case 'b':
 			type = lang.type_tram;
@@ -584,22 +640,24 @@
 		div.appendChild(additional);
 	}
 	
-	div.appendChild(table);
+	if(tabular_data) {
+		div.appendChild(table);
+		ignore_hashchange = true;
+		window.location.hash = '#!' + feature.getId();
+	}
 	
 	setTimeout(function () {map.getView().animate({
 		center: feature.getGeometry().getCoordinates(),
 	}) }, 10);
 	
-	ignore_hashchange = true;
-	window.location.hash = '#!' + feature.getId();
 	
-	showPanel(div, function() {
+	panel.show(div, function() {
 		if(!ignore_hashchange) {
 			ignore_hashchange = true;
 			window.location.hash = '';
 			
-			feature_clicked = null;
 			unstyleSelectedFeatures();
+			feature_clicked = null;
 			
 			if(feature_xhr) feature_xhr.abort();
 			if(feature_timer) clearTimeout(feature_timer);
@@ -607,6 +665,127 @@
 	});
 	
 	feature_clicked = feature;
+}
+
+function mapClicked(e) {
+	var point = e.coordinate;
+	var features = [];
+	map.forEachFeatureAtPixel(e.pixel, function(feature, layer) {
+		if(layer == stop_selected_layer) return;
+		if(feature.getId()) features.push(feature);
+	});
+	
+	if(features.length > 1) {
+		featureClicked();
+		
+		var div = document.createElement('div');
+		
+		addParaWithText(div, lang.select_feature);
+		
+		for(var i = 0; i < features.length; i++) {
+			var feature = features[i];
+			
+			var p = document.createElement('p');
+			var a = document.createElement('a');
+			p.appendChild(a);
+			a.addEventListener('click', function(feature) { return function() {
+				featureClicked(feature);
+			}}(feature));
+			
+			var type = '';
+			switch(feature.getId().substr(0, 1)) {
+				case 'l':
+					type = '';
+					name = lang.type_location;
+				break;
+				case 't':
+				case 'b':
+					type = lang.type_tram;
+					if(feature.getId().startsWith('b')) {
+						type = lang.type_bus;
+					}
+					if(feature.get('vehicle_type').num) {
+						type += ' ' + feature.get('vehicle_type').num;
+					}
+				break;
+				case 's':
+					type = lang.type_stop_tram;
+					if(feature.getId().startsWith('sb')) {
+						type = lang.type_stop_bus;
+					}
+				break;
+				case 'p':
+					type = lang.type_stoppoint_tram;
+					if(feature.getId().startsWith('pb')) {
+						type = lang.type_stoppoint_bus;
+					}
+				break;
+			}
+			
+			addElementWithText(a, 'span', type).className = 'small';
+			a.appendChild(document.createTextNode(' '));
+			addElementWithText(a, 'span', feature.get('name'));
+			
+			div.appendChild(p);
+		}
+		
+		panel.show(div);
+		
+		return;
+	}
+	
+	var feature = features[0];
+	if(!feature) {
+		if(stops_buses_layer.getVisible()) {
+			feature = returnClosest(point, feature, stops_buses_source.getClosestFeatureToCoordinate(point));
+		}
+		if(stops_trams_layer.getVisible()) {
+			feature = returnClosest(point, feature, stops_trams_source.getClosestFeatureToCoordinate(point));
+		}
+		if(stop_points_buses_layer.getVisible()) {
+			feature = returnClosest(point, feature, stop_points_buses_source.getClosestFeatureToCoordinate(point));
+		}
+		if(stop_points_trams_layer.getVisible()) {
+			feature = returnClosest(point, feature, stop_points_trams_source.getClosestFeatureToCoordinate(point));
+		}
+		if(trams_layer.getVisible()) {
+			feature = returnClosest(point, feature, trams_source.getClosestFeatureToCoordinate(point));
+		}
+		if(buses_layer.getVisible()) {
+			feature = returnClosest(point, feature, buses_source.getClosestFeatureToCoordinate(point));
+		}
+		
+		if(getDistance(point, feature) > map.getView().getResolution() * 20) {
+			feature = null;
+		}
+	}
+	
+	featureClicked(feature);
+}
+
+function trackingStop() {
+	geolocation_button.classList.remove('clicked');
+	geolocation.setTracking(false);
+	
+	geolocation_source.clear();
+}
+function trackingStart() {
+	geolocation_set = 0;
+	geolocation_button.classList.add('clicked');
+	geolocation_feature.setGeometry(new ol.geom.Point(map.getView().getCenter()));
+	geolocation_accuracy.setGeometry(new ol.geom.Circle(map.getView().getCenter(), 100000));
+	
+	geolocation_source.addFeature(geolocation_feature);
+	geolocation_source.addFeature(geolocation_accuracy);
+	
+	geolocation.setTracking(true);
+}
+function trackingToggle() {
+	if(geolocation.getTracking()) {
+		trackingStop();
+	} else {
+		trackingStart();
+	}
 }
 
 function hash() {
@@ -688,6 +867,8 @@
 		dataType: 'json',
 		timeout: 10000,
 	});
+	
+	panel = new Panel(document.getElementById('panel'));
 	
 	stops_buses_source = new ol.source.Vector({
 		features: [],
@@ -785,6 +966,55 @@
 	
 	ol.style.IconImageCache.shared.setSize(512);
 	
+	geolocation_feature = new ol.Feature({
+		name: '',
+		style: new ol.style.Style({
+			image: new ol.style.Circle({
+				fill: new ol.style.Fill({color: '#39C'}),
+				stroke: new ol.style.Stroke({color: '#FFF', width: 2}),
+				radius: 5,
+			}),
+		}),
+	});
+	geolocation_feature.setId('location_point');
+	geolocation_accuracy = new ol.Feature();
+	geolocation_source = new ol.source.Vector({
+		features: [],
+	});
+	geolocation_layer = new ol.layer.Vector({
+		source: geolocation_source,
+	});
+	geolocation_button = document.querySelector('#track button');
+	if(!navigator.geolocation) {
+		geolocation_button.classList.add('hidden');
+	}
+	
+	geolocation = new ol.Geolocation({projection: 'EPSG:3857'});
+	geolocation.on('change:position', function() {
+		var coordinates = geolocation.getPosition();
+		geolocation_feature.setGeometry(coordinates ? new ol.geom.Point(coordinates) : null);
+		if(geolocation_set < 1) {
+			geolocation_set = 1;
+			map.getView().animate({
+				center: coordinates,
+			})
+		}
+	});
+	geolocation.on('change:accuracyGeometry', function() {
+		var accuracy = geolocation.getAccuracyGeometry();
+		geolocation_accuracy.setGeometry(accuracy);
+		if(geolocation_set < 2) {
+			geolocation_set = 2;
+			map.getView().fit(accuracy);
+		}
+	});
+	geolocation.on('error', function(error) {
+		fail(lang.error_location + ' ' + error.message);
+		trackingStop();
+		geolocation_button.classList.add('hidden');
+	});
+	geolocation_button.addEventListener('click', trackingToggle);
+	
 	map = new ol.Map({
 		target: 'map',
 		layers: [
@@ -792,6 +1022,7 @@
 				source: new ol.source.OSM()
 			}),
 			route_layer,
+			geolocation_layer,
 			stops_buses_layer,
 			stops_trams_layer,
 			stop_points_buses_layer,
@@ -802,7 +1033,8 @@
 		],
 		view: new ol.View({
 			center: ol.proj.fromLonLat([19.94, 50.06]),
-			zoom: 14
+			zoom: 14,
+			maxZoom: 19,
 		}),
 		controls: ol.control.defaults({
 			attributionOptions: ({
@@ -814,103 +1046,16 @@
 			}),
 			new ol.control.Control({
 				element: fail_element,
-			})
+			}),
+			new ol.control.Control({
+				element: document.getElementById('track'),
+			}),
 		]),
 		loadTilesWhileAnimating: false,
 	});
 	
 	// Display popup on click
-	map.on('singleclick', function(e) {
-		var point = e.coordinate;
-		var features = [];
-		map.forEachFeatureAtPixel(e.pixel, function(feature, layer) {
-			if(layer == stop_selected_layer) return;
-			if(feature.getId()) features.push(feature);
-		});
-		
-		if(features.length > 1) {
-			featureClicked();
-			
-			var div = document.createElement('div');
-			
-			addParaWithText(div, lang.select_feature);
-			
-			for(var i = 0; i < features.length; i++) {
-				var feature = features[i];
-				
-				var p = document.createElement('p');
-				var a = document.createElement('a');
-				p.appendChild(a);
-				a.addEventListener('click', function(feature) { return function() {
-					featureClicked(feature);
-				}}(feature));
-				
-				var type = '';
-				switch(feature.getId().substr(0, 1)) {
-					case 't':
-					case 'b':
-						type = lang.type_tram;
-						if(feature.getId().startsWith('b')) {
-							type = lang.type_bus;
-						}
-						if(feature.get('vehicle_type').num) {
-							type += ' ' + feature.get('vehicle_type').num;
-						}
-					break;
-					case 's':
-						type = lang.type_stop_tram;
-						if(feature.getId().startsWith('sb')) {
-							type = lang.type_stop_bus;
-						}
-					break;
-					case 'p':
-						type = lang.type_stoppoint_tram;
-						if(feature.getId().startsWith('pb')) {
-							type = lang.type_stoppoint_bus;
-						}
-					break;
-				}
-				
-				addElementWithText(a, 'span', type).className = 'small';
-				a.appendChild(document.createTextNode(' '));
-				addElementWithText(a, 'span', feature.get('name'));
-				
-				div.appendChild(p);
-			}
-			
-			showPanel(div);
-			
-			return;
-		}
-		
-		var feature = features[0];
-		if(!feature) {
-			if(stops_buses_layer.getVisible()) {
-				feature = returnClosest(point, feature, stops_buses_source.getClosestFeatureToCoordinate(point));
-			}
-			if(stops_trams_layer.getVisible()) {
-				feature = returnClosest(point, feature, stops_trams_source.getClosestFeatureToCoordinate(point));
-			}
-			if(stop_points_buses_layer.getVisible()) {
-				feature = returnClosest(point, feature, stop_points_buses_source.getClosestFeatureToCoordinate(point));
-			}
-			if(stop_points_trams_layer.getVisible()) {
-				feature = returnClosest(point, feature, stop_points_trams_source.getClosestFeatureToCoordinate(point));
-			}
-			if(trams_layer.getVisible()) {
-				feature = returnClosest(point, feature, trams_source.getClosestFeatureToCoordinate(point));
-			}
-			if(buses_layer.getVisible()) {
-				feature = returnClosest(point, feature, buses_source.getClosestFeatureToCoordinate(point));
-			}
-			
-			if(getDistance(point, feature) > map.getView().getResolution() * 20) {
-				feature = null;
-			}
-		}
-		
-		featureClicked(feature);
-	});
+	map.on('singleclick', mapClicked);
 	
 	fail_element.addEventListener('click', function() {
 		fail_element.style.top = '-10em';

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