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Geospatial Plugin: Support for custom popups (#8404)

* Allow width, height and maxZoom to be specified

* Add images to city marker tiddlers

* Initial support for custom popups

* Custom popup templates for the US and Canadian example data

* Popups should use the geomap as their parent widget

This lets root widget messages work

* Typo in default popup template

* Clean up the use of popup templates

* Allow GeoJSON features to be hidden via a checkbox

* Popup template for volcano dataset

* Add Natural Earth country data

* Optimise marker SVG
This commit is contained in:
Jeremy Ruston 2024-07-25 17:31:37 +01:00 committed by GitHub
parent acb2602d78
commit b1cd1306ef
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38 changed files with 224 additions and 48 deletions

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@ -4,11 +4,17 @@ tags: $:/tags/GeospatialDemo
This is a list of all the tiddlers containing ~GeoJSON feature collections in this wiki (identified by the tag <<tag "$:/tags/GeoFeature">>). A ~GeoJSON feature collection is a list of features, each of which consists of a geometry and associated metadata.
<ul>
<$list filter="[all[shadows+tiddlers]tag[$:/tags/GeoFeature]sort[caption]]">
<li>
<$link>
<$transclude field="caption"><$view field="title"/></$view>
</$link>
</li>
</$list>
<$list filter="[all[shadows+tiddlers]tag[$:/tags/GeoFeature]sort[caption]]">
<li>
<$checkbox
tiddler={{{ [[$:/config/GeospatialDemo/FeatureVisibility/]addsuffix<currentTiddler>] }}}
field="text" checked="show" unchecked="hide" default="show"
>
<<lingo Description>>
</$checkbox>
<$link>
<$transclude field="caption"><$view field="title"/></$view>
</$link>
</li>
</$list>
</ul>

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@ -27,11 +27,12 @@ This demo requires that the API keys needed to access external services be obtai
<$geobaselayer title=<<currentTiddler>>/>
</$list>
<$list filter="[all[tiddlers+shadows]tag[$:/tags/GeoMarker]]">
<$geolayer lat={{!!lat}} long={{!!long}} alt={{!!alt}} color={{!!color}} name={{!!caption}}/>
<$geolayer lat={{!!lat}} long={{!!long}} alt={{!!alt}} color={{!!color}} name={{!!caption}} properties={{{ [[{}]jsonset[title],<currentTiddler>] }}}
popupTemplate="ui/PopupTemplate"/>
</$list>
<$list filter="[all[tiddlers+shadows]tag[$:/tags/GeoFeature]]">
<$geolayer json={{!!text}} color={{!!color}} name={{!!caption}}/>
<$list filter="[all[tiddlers+shadows]tag[$:/tags/GeoFeature]] :filter[[$:/config/GeospatialDemo/FeatureVisibility/]addsuffix<currentTiddler>get[text]else[show]match[show]]">
<$geolayer json={{!!text}} color={{!!color}} name={{!!caption}} popupTemplate={{!!popup-template}}/>
</$list>
</$geomap>
<<tabs tabsList:"[all[tiddlers+shadows]tag[$:/tags/GeospatialDemo]]" default:"GeoMarkers">>
<<tabs tabsList:"[all[tiddlers+shadows]tag[$:/tags/GeospatialDemo]]" default:"GeoFeatures">>

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@ -0,0 +1,3 @@
title: cities/LimehouseTownHall/image
type: image/jpeg
tags: $:/tags/Demo/Cities

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@ -1,9 +1,11 @@
title: cities/LimehouseTownHall
tags: $:/tags/GeoMarker
tags: $:/tags/GeoMarker $:/tags/Demo/Cities
caption: Limehouse Town Hall
lat: 51.51216651476898
long: -0.03138562132137639
alt: 0
{{cities/LimehouseTownHall/image}}
This is Limehouse Town Hall!

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@ -0,0 +1,3 @@
title: cities/Motovun/image
type: image/jpeg
tags: $:/tags/Demo/Cities

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@ -1,9 +1,11 @@
title: cities/Motovun
tags: $:/tags/GeoMarker
tags: $:/tags/GeoMarker $:/tags/Demo/Cities
icon: Motovun Jack.svg
caption: Motovun
lat: 45.336453407749225
long: 13.828231379455806
alt: 0
{{cities/Motovun/image}}
This is Motovun!

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@ -0,0 +1,3 @@
title: cities/NewYork/image
type: image/jpeg
tags: $:/tags/Demo/Cities

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@ -1,8 +1,10 @@
title: cities/NewYork
tags: $:/tags/GeoMarker
tags: $:/tags/GeoMarker $:/tags/Demo/Cities
caption: New York
lat: 40.712778
long: -74.006111
alt: 0
{{cities/NewYork/image}}
This is New York!

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@ -0,0 +1,3 @@
title: cities/Oxford/image
type: image/jpeg
tags: $:/tags/Demo/Cities

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@ -1,8 +1,10 @@
title: cities/Oxford
tags: $:/tags/GeoMarker
tags: $:/tags/GeoMarker $:/tags/Demo/Cities
caption: Oxford
lat: 51.751944
long: -1.257778
alt: 0
{{cities/Oxford/image}}
This is Oxford!

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@ -0,0 +1,3 @@
title: cities/Toronto/image
type: image/jpeg
tags: $:/tags/Demo/Cities

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@ -1,8 +1,10 @@
title: cities/Toronto
tags: $:/tags/GeoMarker
tags: $:/tags/GeoMarker $:/tags/Demo/Cities
caption: Toronto
lat: 43.651070
long: -79.347015
alt: 0
{{cities/Toronto/image}}
This is Toronto!

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@ -0,0 +1,3 @@
title: cities/Winchester/image
type: image/jpeg
tags: $:/tags/Demo/Cities

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@ -1,8 +1,10 @@
title: cities/Winchester
tags: $:/tags/GeoMarker
tags: $:/tags/GeoMarker $:/tags/Demo/Cities
caption: Winchester
lat: 51.0632
long: -1.308
alt: 0
{{cities/Winchester/image}}
This is Winchester!

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@ -0,0 +1,4 @@
title: $:/config/GeospatialDemo/FeatureVisibility/$:/
geospatialdemo/features/harvard-volcanoes-of-the-world: hide
geospatialdemo/features/natural-earth-countries-low-res: hide

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@ -0,0 +1,12 @@
title: $:/geospatialdemo/features/canada-census-subdivision-millesime/popupTemplate
!!! Canadian Census Subdivision Boundary
|!Field |!English |!French |
|Year |<$text text={{{ [<feature>jsonget[properties],[year]] }}}/> |<|
|Province Code |<$text text={{{ [<feature>jsonget[properties],[prov_code]join[,]] }}}/> |<|
|Province Name |<$text text={{{ [<feature>jsonget[properties],[prov_name_en]join[,]] }}}/> |<$text text={{{ [<feature>jsonget[properties],[prov_name_fr]join[,]] }}}/> |
|Census Division Code |<$text text={{{ [<feature>jsonget[properties],[cd_code]join[,]] }}}/> |<|
|Census Division Name |<$text text={{{ [<feature>jsonget[properties],[cd_name_en]join[,]] }}}/> |<$text text={{{ [<feature>jsonget[properties],[cd_name_fr]join[,]] }}}/> |
|Census Subdivision Code |<$text text={{{ [<feature>jsonget[properties],[csd_area_code]join[,]] }}}/> |<|
|Census Subdivision Name |<$text text={{{ [<feature>jsonget[properties],[csd_name_en]join[,]] }}}/> |<$text text={{{ [<feature>jsonget[properties],[csd_name_fr]join[,]] }}}/> |

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@ -3,3 +3,4 @@ caption: Canada Census Subdivisions Millesime
type: application/json
tags: $:/tags/GeoFeature
color: #f8f
popup-template: $:/geospatialdemo/features/canada-census-subdivision-millesime/popupTemplate

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@ -0,0 +1,10 @@
title: $:/geospatialdemo/features/harvard-volcanoes-of-the-world/popupTemplate
!!! Harvard Volcanoes of the World
|Number |<$text text={{{ [<feature>jsonget[properties],[NUMBER_]] }}}/> |
|Name |<$text text={{{ [<feature>jsonget[properties],[NAME_]] }}}/> |
|Location |<$text text={{{ [<feature>jsonget[properties],[LOCATION]] }}}/> |
|Type |<$text text={{{ [<feature>jsonget[properties],[TYPE_]] }}}/> |
|Status |<$text text={{{ [<feature>jsonget[properties],[STATUS]] }}}/> |
|Time Frame |<$text text={{{ [<feature>jsonget[properties],[TIME_FRAME]] }}}/> |

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@ -1,5 +1,6 @@
title: $:/geospatialdemo/features/harvard-volcanoes-of-the-world
caption: Harvard Volcanoes of the World
type: application/json
tags: $:/tags/GeoFeature/Hidden
tags: $:/tags/GeoFeature
color: #f88
popup-template: $:/geospatialdemo/features/harvard-volcanoes-of-the-world/popupTemplate

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@ -0,0 +1,32 @@
title: $:/geospatialdemo/features/natural-earth-countries-low-res/popupTemplate
!!! Countries of the World from Natural Earth
''<$text text={{{ [<feature>jsonget[properties],[name_en]] }}}/>'' (<$text text={{{ [<feature>jsonget[properties],[formal_en]] }}}/>)
<div style=`height: 10em; overflow: scroll;`>
<table>
<thead>
<tr>
<th>
Field
</th>
<th>
Value
</th>
</tr>
</thead>
<tbody>
<$list filter="[<feature>jsonindexes[properties]]">
<tr>
<td>
<$text text=<<currentTiddler>>/>
</td>
<td>
<$text text={{{ [<feature>jsonget[properties],<currentTiddler>] }}}/>
</td>
</tr>
</$list>
</tbody>
</table>
</div>

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@ -0,0 +1,6 @@
title: $:/geospatialdemo/features/natural-earth-countries-low-res
caption: Countries of the World from Natural Earth
type: application/json
tags: $:/tags/GeoFeature
color: #88f
popup-template: $:/geospatialdemo/features/natural-earth-countries-low-res/popupTemplate

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@ -0,0 +1,6 @@
title: $:/geospatialdemo/features/us-states/popupTemplate
!!! US State Boundary
|State |<$text text={{{ [<feature>jsonget[properties],[name]] }}}/> |
|Population Density |<$text text={{{ [<feature>jsonget[properties],[density]] }}}/> |

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@ -3,3 +3,4 @@ caption: US State Boundaries
type: application/json
tags: $:/tags/GeoFeature
color: #88f
popup-template: $:/geospatialdemo/features/us-states/popupTemplate

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@ -14,7 +14,7 @@ title: ui/geofeature
state=<<qualify "$:/state/demo-map">>
startPosition="bounds"
>
<$geolayer json={{!!text}} color={{!!color}}/>
<$geolayer json={{!!text}} color={{!!color}} popupTemplate={{!!popup-template}}/>
</$geomap>
!! Intersect with other features

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@ -67,7 +67,7 @@ title: ui/geomarker
state=<<qualify "$:/state/demo-map">>
startPosition="bounds"
>
<$geolayer lat={{!!lat}} long={{!!long}} alt={{!!alt}} color={{!!color}}/>
<$geolayer lat={{!!lat}} long={{!!long}} alt={{!!alt}} color={{!!color}} properties={{{ [[{}]jsonset[title],<currentTiddler>] }}} popupTemplate="ui/PopupTemplate"/>
</$geomap>
!! Distance to other markers

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@ -0,0 +1,9 @@
title: ui/PopupTemplate
<div width="300px">
<$let currentTiddler={{{ [<feature>jsonget[properties],[title]] }}}>
<$link><$text text=<<currentTiddler>>/></$link>
<!-- <$codeblock code={{{ [<feature>] }}}/> -->
<$transclude $tiddler=<<currentTiddler>> $mode="block"/>
</$let>
</div>

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@ -17,8 +17,10 @@ The following attributes are supported:
|''alt'' |Optional altitude of marker if json attribute missing |
|''draggable'' |Set to "yes" to make the marker draggable |
|''updateActions'' |Optional actions when the marker is dragged other otherwise modified. The variables ''lat'' and ''long'' contain the new coordinates of the marker |
|''properties'' |<<.from-version "5.3.6">> Optional JSON properties to be attached to the marker (only supported for non-JSON layers) |
|''popupTemplate'' |<<.from-version "5.3.6">> Optional template to be used for popups. The template is rendered with the variable ''feature'' containing the JSON text of the feature |
Note that the `<$geolayer>` widget can be used in one of two modes:
* With the ''json'' attibute specifying the layer to be drawn
* With the ''lat'', ''long'' and optional ''alt'' attributes specifying a marker to be drawn
* With the ''lat'', ''long'' and optional ''alt'' and ''properties'' attributes specifying a marker to be drawn

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@ -9,9 +9,13 @@ The `<$geomap>` widget displays an interactive map using [[Leaflet.js|https://le
The following attributes are supported:
|!Attribute |!Description |
|''width'' |<<.from-version "5.3.6">> The width of the map in CSS units (defaults to `100%`) |
|''height'' |<<.from-version "5.3.6">> The height of the map in CSS units (defaults to `600px`) |
|''state'' |The title of a state tiddler used to track the state of the map in the `zoom`, `long` and `lat` fields |
|''startPosition'' |Optional keyword representing the starting position for the map: "world" (the default) shows the entire map, "bounds" zooms to the bounds of the loaded layers |
|''layersPanel'' |Optional starting status for the layers panel: "collapsed" (the default) causes the layers panel to initially be shown collapsed, "open" causes the layers panel to initially be shown opened |
|''maxZoom'' |<<.from-version "5.3.6">> Optional maximum zoom level, from 1 to the maximum zoom level supported by the background layer |
|''popupTemplate'' |<<.from-version "5.3.6">> Optional template to be used for popups. The template is rendered with the variable ''feature'' containing the JSON text of the feature |
If no base layers are defined by `<$geobaselayer>` widgets within the `<$geomap>` widget then all the available base layers will be loaded by the equivalent of the following code:
@ -61,6 +65,25 @@ If no base layers are defined by `<$geobaselayer>` widgets within the `<$geomap>
<$data $tiddler="$:/plugins/tiddlywiki/geospatial"/>
</$testcase>
<$testcase>
<$data
title="Description"
text="Map with geomarker with popup"
/>
<$data $filter="[tag[$:/tags/Demo/Cities]sort[title]]"/>
<$data title="Output" text="""<$geomap
state=<<qualify "$:/state/demo-map">>
popupTemplate="ui/PopupTemplate"
>
<$list filter="[all[tiddlers+shadows]tag[$:/tags/GeoMarker]]">
<$geolayer lat={{!!lat}} long={{!!long}} alt={{!!alt}} color={{!!color}} properties={{{ [[{}]jsonset[title],<currentTiddler>] }}}/>
</$list>
</$geomap>
"""/>
<$data $tiddler="ui/PopupTemplate"/>
<$data $tiddler="$:/plugins/tiddlywiki/geospatial"/>
</$testcase>
<$testcase>
<$data
title="Description"

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@ -1,9 +1 @@
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 365 560">
<g>
<path fill="#00AEEF" stroke="#000000" stroke-width="5" d="M182.9,551.7c0,0.1,0.2,0.3,0.2,0.3S358.3,283,358.3,194.6c0-130.1-88.8-186.7-175.4-186.9
C96.3,7.9,7.5,64.5,7.5,194.6c0,88.4,175.3,357.4,175.3,357.4S182.9,551.7,182.9,551.7z M122.2,187.2c0-33.6,27.2-60.8,60.8-60.8
c33.6,0,60.8,27.2,60.8,60.8S216.5,248,182.9,248C149.4,248,122.2,220.8,122.2,187.2z"/>
</g>
</svg>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 365 560"><path fill="#00AEEF" stroke="#000" stroke-width="5" d="M182.9 551.7c0 .1.2.3.2.3s175.2-269 175.2-357.4c0-130.1-88.8-186.7-175.4-186.9C96.3 7.9 7.5 64.5 7.5 194.6 7.5 283 182.8 552 182.8 552l.1-.3zm-60.7-364.5c0-33.6 27.2-60.8 60.8-60.8 33.6 0 60.8 27.2 60.8 60.8S216.5 248 182.9 248c-33.5 0-60.7-27.2-60.7-60.8z"/></svg>

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@ -0,0 +1,3 @@
title: $:/plugins/tiddlywiki/geospatial/templates/default-popup-template
Feature: <$text text={{{ [<feature>] }}}/>

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@ -48,8 +48,7 @@ GeomapWidget.prototype.render = function(parent,nextSibling) {
this.contentRoot.render(this.contentContainer,null);
// Render a wrapper for the map
this.domNode = this.document.createElement("div");
this.domNode.style.width = "100%";
this.domNode.style.height = "600px";
this.setMapSize();
// Insert it into the DOM
parent.insertBefore(this.domNode,nextSibling);
this.domNodes.push(this.domNode);
@ -63,7 +62,13 @@ GeomapWidget.prototype.render = function(parent,nextSibling) {
GeomapWidget.prototype.renderMap = function() {
var self = this;
// Create the map
this.map = $tw.Leaflet.map(this.domNode);
var options = {
};
if(this.geomapMaxZoom) {
options.maxZoom = $tw.utils.parseInt(this.geomapMaxZoom);
}
this.map = $tw.Leaflet.map(this.domNode,options);
// No layers rendered
this.renderedLayers = [];
this.baseLayers = [];
@ -73,16 +78,17 @@ GeomapWidget.prototype.renderMap = function() {
$tw.Leaflet.control.scale().addTo(this.map);
// Listen for pan and zoom events and update the state tiddler
this.map.on("moveend zoomend",function(event) {
if(self.geomapStateTitle) {
var c = self.map.getCenter(),
if(self.hasAttribute("state")) {
var stateTitle = self.getAttribute("state"),
c = self.map.getCenter(),
lat = "" + c.lat,
long = "" + c.lng,
zoom = "" + self.map.getZoom(),
tiddler = self.wiki.getTiddler(self.geomapStateTitle);
tiddler = self.wiki.getTiddler(stateTitle);
// Only write the tiddler if the values have changed
if(!tiddler || tiddler.fields.lat !== lat || tiddler.fields.long !== long || tiddler.fields.zoom !== zoom) {
self.wiki.addTiddler(new $tw.Tiddler({
title: self.geomapStateTitle,
title: stateTitle,
lat: lat,
long: long,
zoom: zoom
@ -161,8 +167,10 @@ GeomapWidget.prototype.refreshMap = function() {
});
this.map.addLayer(markers);
// Process embedded geolayer widgets
var defaultPopupTemplateTitle = self.getAttribute("popupTemplate","$:/plugins/tiddlywiki/geospatial/templates/default-popup-template");
this.findChildrenDataWidgets(this.contentRoot.children,"geolayer",function(widget) {
var jsonText = widget.getAttribute("json"),
popupTemplateTitle = widget.getAttribute("popupTemplate",defaultPopupTemplateTitle),
geoJson = [];
if(jsonText) {
// Layer is defined by JSON blob
@ -171,7 +179,8 @@ GeomapWidget.prototype.refreshMap = function() {
// Layer is defined by lat long fields
var lat = $tw.utils.parseNumber(widget.getAttribute("lat","0")),
long = $tw.utils.parseNumber(widget.getAttribute("long","0")),
alt = $tw.utils.parseNumber(widget.getAttribute("alt","0"));
alt = $tw.utils.parseNumber(widget.getAttribute("alt","0")),
properties = widget.getAttribute("properties");
geoJson = {
"type": "FeatureCollection",
"features": [
@ -184,6 +193,9 @@ GeomapWidget.prototype.refreshMap = function() {
}
]
};
if(properties) {
geoJson.features[0].properties = $tw.utils.parseJSONSafe(properties);
}
}
var draggable = widget.getAttribute("draggable","no") === "yes",
layer = $tw.Leaflet.geoJSON(geoJson,{
@ -205,9 +217,23 @@ GeomapWidget.prototype.refreshMap = function() {
return marker;
},
onEachFeature: function(feature,layer) {
if(feature.properties) {
layer.bindPopup(JSON.stringify(feature.properties,null,4));
layer.bindPopup(function() {
var widget = self.wiki.makeTranscludeWidget(popupTemplateTitle, {
document: self.document,
parentWidget: self,
parseAsInline: false,
importPageMacros: true,
variables: {
feature: JSON.stringify(feature)
}
});
var container = self.document.createElement("div");
widget.render(container,null);
self.wiki.addEventListener("change",function(changes) {
widget.refresh(changes,container,null);
});
return container;
});
}
}).addTo(self.map);
var name = widget.getAttribute("name") || ("Untitled " + untitledCount++);
@ -226,12 +252,12 @@ GeomapWidget.prototype.refreshMap = function() {
overlayLayers[layer.name] = layer.layer;
});
this.layerControl = $tw.Leaflet.control.layers(baseLayers,overlayLayers,{
collapsed: this.geomapLayersPanel !== "open"
collapsed: this.getAttribute("layersPanel") !== "open"
}).addTo(this.map);
// Restore the saved map position and zoom level
if(!this.setMapView()) {
// If there was no saved position then look at the startPosition attribute
switch(this.geomapStartPosition) {
switch(this.getAttribute("startPosition")) {
case "bounds":
var bounds = null;
$tw.utils.each(this.renderedLayers,function(layer) {
@ -259,6 +285,11 @@ GeomapWidget.prototype.refreshMap = function() {
Set the map center and zoom level from the values in the state tiddler. Returns true if the map view was successfully set
*/
GeomapWidget.prototype.setMapView = function() {
// Set the maximum zoom level
if(this.hasAttribute("maxZoom")) {
this.map.setMaxZoom($tw.utils.parseInt(this.getAttribute("maxZoom")));
}
// Set the view to the content of the state tiddler
var stateTiddler = this.geomapStateTitle && this.wiki.getTiddler(this.geomapStateTitle);
if(stateTiddler) {
this.map.setView([$tw.utils.parseNumber(stateTiddler.fields.lat,0),$tw.utils.parseNumber(stateTiddler.fields.long,0)], $tw.utils.parseNumber(stateTiddler.fields.zoom,0));
@ -267,13 +298,15 @@ GeomapWidget.prototype.setMapView = function() {
return false;
};
GeomapWidget.prototype.setMapSize = function() {
this.domNode.style.width = this.getAttribute("width","100%");
this.domNode.style.height = this.getAttribute("height","600px");
};
/*
Compute the internal state of the widget
*/
GeomapWidget.prototype.execute = function() {
this.geomapStateTitle = this.getAttribute("state");
this.geomapStartPosition = this.getAttribute("startPosition");
this.geomapLayersPanel = this.getAttribute("layersPanel");
};
/*
@ -286,9 +319,12 @@ GeomapWidget.prototype.refresh = function(changedTiddlers) {
if(result) {
this.refreshMap();
} else {
// Reset the width and height and max zoom if they have changed
if(changedAttributes.width || changedAttributes.height) {
this.setMapSize();
}
// If we're not doing a full refresh, reset the position if the state tiddler has changed
if(changedAttributes.state || changedTiddlers[this.geomapStateTitle]) {
this.geomapStateTitle = this.getAttribute("state");
if(changedAttributes.state || (this.hasAttribute("state") && changedTiddlers[this.getAttribute("state")]) || changedAttributes.maxZoom) {
this.setMapView();
}
}