291 lines
No EOL
12 KiB
TypeScript
291 lines
No EOL
12 KiB
TypeScript
import {TagRenderingConfigJson} from "./TagRenderingConfigJson";
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import {AndOrTagConfigJson} from "./TagConfigJson";
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import {DeleteConfigJson} from "./DeleteConfigJson";
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import FilterConfigJson from "./FilterConfigJson";
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/**
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* Configuration for a single layer
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*/
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export interface LayerConfigJson {
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/**
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* The id of this layer.
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* This should be a simple, lowercase, human readable string that is used to identify the layer.
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*/
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id: string;
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/**
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* The name of this layer
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* Used in the layer control panel and the 'Personal theme'.
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*
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* If not given, will be hidden (and thus not toggable) in the layer control
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*/
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name?: string | any
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/**
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* A description for this layer.
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* Shown in the layer selections and in the personel theme
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*/
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description?: string | any;
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/**
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* This determines where the data for the layer is fetched.
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* There are some options:
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*
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* # Query OSM directly
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* source: {osmTags: "key=value"}
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* will fetch all objects with given tags from OSM.
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* Currently, this will create a query to overpass and fetch the data - in the future this might fetch from the OSM API
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*
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* # Query OSM Via the overpass API with a custom script
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* source: {overpassScript: "<custom overpass tags>"} when you want to do special things. _This should be really rare_.
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* This means that the data will be pulled from overpass with this script, and will ignore the osmTags for the query
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* However, for the rest of the pipeline, the OsmTags will _still_ be used. This is important to enable layers etc...
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*
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*
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* # A single geojson-file
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* source: {geoJson: "https://my.source.net/some-geo-data.geojson"}
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* fetches a geojson from a third party source
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*
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* # A tiled geojson source
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* source: {geoJson: "https://my.source.net/some-tile-geojson-{layer}-{z}-{x}-{y}.geojson", geoJsonZoomLevel: 14}
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* to use a tiled geojson source. The web server must offer multiple geojsons. {z}, {x} and {y} are substituted by the location; {layer} is substituted with the id of the loaded layer
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*
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*
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* Note that both geojson-options might set a flag 'isOsmCache' indicating that the data originally comes from OSM too
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*
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*
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* NOTE: the previous format was 'overpassTags: AndOrTagCOnfigJson | string', which is interpreted as a shorthand for source: {osmTags: "key=value"}
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* While still supported, this is considered deprecated
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*/
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source: { osmTags: AndOrTagConfigJson | string } |
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{ osmTags: AndOrTagConfigJson | string, geoJson: string, geoJsonZoomLevel?: number, isOsmCache?: boolean } |
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{ osmTags: AndOrTagConfigJson | string, overpassScript: string }
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/**
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*
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* A list of extra tags to calculate, specified as "keyToAssignTo=javascript-expression".
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* There are a few extra functions available. Refer to <a>Docs/CalculatedTags.md</a> for more information
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* The functions will be run in order, e.g.
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* [
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* "_max_overlap_m2=Math.max(...feat.overlapsWith("someOtherLayer").map(o => o.overlap))
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* "_max_overlap_ratio=Number(feat._max_overlap_m2)/feat.area
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* ]
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*
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*/
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calculatedTags?: string[];
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/**
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* If set, this layer will not query overpass; but it'll still match the tags above which are by chance returned by other layers.
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* Works well together with 'passAllFeatures', to add decoration
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*/
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doNotDownload?: boolean;
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/**
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* This tagrendering should either be 'yes' or 'no'. If 'no' is returned, then the feature will be hidden from view.
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* This is useful to hide certain features from view. Important: hiding features does not work dynamically, but is only calculated when the data is first renders.
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* This implies that it is not possible to hide a feature after a tagging change
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*
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* The default value is 'yes'
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*/
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isShown?: TagRenderingConfigJson;
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/**
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* The zoomlevel at which point the data is shown and loaded.
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* Default: 0
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*/
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minzoom?: number;
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/**
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* The zoomlevel at which point the data is hidden again
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* Default: 100 (thus: always visible
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*/
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maxzoom?: number;
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/**
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* The title shown in a popup for elements of this layer.
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*/
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title?: string | TagRenderingConfigJson;
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/**
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* Small icons shown next to the title.
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* If not specified, the OsmLink and wikipedia links will be used by default.
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* Use an empty array to hide them.
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* Note that "defaults" will insert all the default titleIcons
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*/
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titleIcons?: (string | TagRenderingConfigJson)[];
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/**
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* The icon for an element.
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* Note that this also doubles as the icon for this layer (rendered with the overpass-tags) ánd the icon in the presets.
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*
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* The result of the icon is rendered as follows:
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* the resulting string is interpreted as a _list_ of items, seperated by ";". The bottommost layer is the first layer.
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* As a result, on could use a generic pin, then overlay it with a specific icon.
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* To make things even more practical, one can use all svgs from the folder "assets/svg" and _substitute the color_ in it.
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* E.g. to draw a red pin, use "pin:#f00", to have a green circle with your icon on top, use `circle:#0f0;<path to my icon.svg>`
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*
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*/
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icon?: string | TagRenderingConfigJson;
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/**
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* IconsOverlays are a list of extra icons/badges to overlay over the icon.
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* The 'badge'-toggle changes their behaviour.
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* If badge is set, it will be added as a 25% height icon at the bottom right of the icon, with all the badges in a flex layout.
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* If badges is false, it'll be a simple overlay
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*
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* Note: strings are interpreted as icons, so layering and substituting is supported
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*/
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iconOverlays?: { if: string | AndOrTagConfigJson, then: string | TagRenderingConfigJson, badge?: boolean }[]
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/**
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* A string containing "width,height" or "width,height,anchorpoint" where anchorpoint is any of 'center', 'top', 'bottom', 'left', 'right', 'bottomleft','topright', ...
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* Default is '40,40,center'
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*/
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iconSize?: string | TagRenderingConfigJson;
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/**
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* The rotation of an icon, useful for e.g. directions.
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* Usage: as if it were a css property for 'rotate', thus has to end with 'deg', e.g. `90deg`, `{direction}deg`, `calc(90deg - {camera:direction}deg)``
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*/
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rotation?: string | TagRenderingConfigJson;
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/**
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* A HTML-fragment that is shown below the icon, for example:
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* <div style="background: white; display: block">{name}</div>
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*
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* If the icon is undefined, then the label is shown in the center of the feature.
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* Note that, if the wayhandling hides the icon then no label is shown as well.
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*/
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label?: string | TagRenderingConfigJson;
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/**
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* The color for way-elements and SVG-elements.
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* If the value starts with "--", the style of the body element will be queried for the corresponding variable instead
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*/
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color?: string | TagRenderingConfigJson;
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/**
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* The stroke-width for way-elements
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*/
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width?: string | TagRenderingConfigJson;
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/**
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* A dasharray, e.g. "5 6"
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* The dasharray defines 'pixels of line, pixels of gap, pixels of line, pixels of gap',
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* Default value: "" (empty string == full line)
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*/
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dashArray?: string | TagRenderingConfigJson
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/**
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* Wayhandling: should a way/area be displayed as:
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* 0) The way itself
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* 1) Only the centerpoint
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* 2) The centerpoint and the way
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*/
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wayHandling?: number;
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/**
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* If set, this layer will pass all the features it receives onto the next layer.
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* This is ideal for decoration, e.g. directionss on cameras
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*/
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passAllFeatures?: boolean
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/**
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* Presets for this layer.
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* A preset shows up when clicking the map on a without data (or when right-clicking/long-pressing);
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* it will prompt the user to add a new point.
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*
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* The most important aspect are the tags, which define which tags the new point will have;
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* The title is shown in the dialog, along with the first sentence of the description.
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*
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* Upon confirmation, the full description is shown beneath the buttons - perfect to add pictures and examples.
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*
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* Note: the icon of the preset is determined automatically based on the tags and the icon above. Don't worry about that!
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* NB: if no presets are defined, the popup to add new points doesn't show up at all
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*/
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presets?: {
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/**
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* The title - shown on the 'add-new'-button.
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*/
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title: string | any,
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/**
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* The tags to add. It determines the icon too
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*/
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tags: string[],
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/**
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* The _first sentence_ of the description is shown on the button of the `add` menu.
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* The full description is shown in the confirmation dialog.
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*
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* (The first sentence is until the first '.'-character in the description)
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*/
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description?: string | any,
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}[],
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/**
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* All the tag renderings.
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* A tag rendering is a block that either shows the known value or asks a question.
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*
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* Refer to the class `TagRenderingConfigJson` to see the possibilities.
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*
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* Note that we can also use a string here - where the string refers to a tagrenering defined in `assets/questions/questions.json`,
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* where a few very general questions are defined e.g. website, phone number, ...
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*
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* A special value is 'questions', which indicates the location of the questions box. If not specified, it'll be appended to the bottom of the featureInfobox.
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*
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*/
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tagRenderings?: (string | TagRenderingConfigJson) [],
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/**
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* All the extra questions for filtering
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*/
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filter?: (FilterConfigJson) [],
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/**
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* This block defines under what circumstances the delete dialog is shown for objects of this layer.
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* If set, a dialog is shown to the user to (soft) delete the point.
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* The dialog is built to be user friendly and to prevent mistakes.
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* If deletion is not possible, the dialog will hide itself and show the reason of non-deletability instead.
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*
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* To configure, the following values are possible:
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*
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* - false: never ever show the delete button
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* - true: show the default delete button
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* - undefined: use the mapcomplete default to show deletion or not. Currently, this is the same as 'false' but this will change in the future
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* - or: a hash with options (see below)
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*
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* The delete dialog
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* =================
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*
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*
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*
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#### Hard deletion if enough experience
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A feature can only be deleted from OpenStreetMap by mapcomplete if:
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- It is a node
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- No ways or relations use the node
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- The logged-in user has enough experience OR the user is the only one to have edited the point previously
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- The logged-in user has no unread messages (or has a ton of experience)
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- The user did not select one of the 'non-delete-options' (see below)
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In all other cases, a 'soft deletion' is used.
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#### Soft deletion
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A 'soft deletion' is when the point isn't deleted from OSM but retagged so that it'll won't how up in the mapcomplete theme anymore.
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This makes it look like it was deleted, without doing damage. A fixme will be added to the point.
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Note that a soft deletion is _only_ possible if these tags are provided by the theme creator, as they'll be different for every theme
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#### No-delete options
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In some cases, the contributor might want to delete something for the wrong reason (e.g. someone who wants to have a path removed "because the path is on their private property").
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However, the path exists in reality and should thus be on OSM - otherwise the next contributor will pass by and notice "hey, there is a path missing here! Let me redraw it in OSM!)
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The correct approach is to retag the feature in such a way that it is semantically correct *and* that it doesn't show up on the theme anymore.
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A no-delete option is offered as 'reason to delete it', but secretly retags.
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*/
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deletion?: boolean | DeleteConfigJson
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} |