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Use only one form to create a GeoJSON source and its layer
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,125 @@ | ||
| import { | ||
| IDict, | ||
| IJGISFormSchemaRegistry, | ||
| IJGISLayer, | ||
| IJGISSource, | ||
| IJupyterGISModel | ||
| } from '@jupytergis/schema'; | ||
| import { Dialog } from '@jupyterlab/apputils'; | ||
| import { PathExt } from '@jupyterlab/coreutils'; | ||
| import { UUID } from '@lumino/coreutils'; | ||
| import * as React from 'react'; | ||
|
|
||
| import { GeoJSONLayerPropertiesForm } from '../panelview/formbuilder'; | ||
| import { deepCopy } from '../tools'; | ||
|
|
||
| /** | ||
| * Properties for the component to create GeoJSON layer. | ||
| */ | ||
| export interface IGeoJSONLayerComponentProps { | ||
| model: IJupyterGISModel; | ||
| formSchemaRegistry: IJGISFormSchemaRegistry; | ||
| cancel: () => void; | ||
| } | ||
|
|
||
| /** | ||
| * React component returning a form dedicated to GeoJSON layer (and source) creation. | ||
| */ | ||
| export const GeoJSONLayerComponent = ({ | ||
| model, | ||
| formSchemaRegistry, | ||
| cancel | ||
| }: IGeoJSONLayerComponentProps) => { | ||
| const schema = deepCopy(formSchemaRegistry.getSchemas().get('VectorLayer')); | ||
| if (!schema) { | ||
| return; | ||
| } | ||
|
|
||
| delete schema.properties?.source; | ||
| schema['properties'] = { | ||
| name: { type: 'string', description: 'The name of the vector layer' }, | ||
| path: { type: 'string', description: 'The path to the GeoJSON file' }, | ||
| ...schema['properties'] | ||
| }; | ||
|
|
||
| schema.required = ['name', 'path']; | ||
|
|
||
| const syncData = (props: IDict) => { | ||
| const sharedModel = model.sharedModel; | ||
| if (!sharedModel) { | ||
| return; | ||
| } | ||
| const { name, path, ...parameters } = props; | ||
| const sourceId = UUID.uuid4(); | ||
|
|
||
| const sourceName = PathExt.basename(path, '.json'); | ||
| const sourceModel: IJGISSource = { | ||
| type: 'GeoJSONSource', | ||
| name: sourceName, | ||
| parameters: { | ||
| path | ||
| } | ||
| }; | ||
|
|
||
| const layerModel: IJGISLayer = { | ||
| type: 'VectorLayer', | ||
| parameters: { | ||
| source: sourceId, | ||
| type: parameters.type, | ||
| color: parameters.color, | ||
| opacity: parameters.opacity | ||
| }, | ||
| visible: true, | ||
| name: name | ||
| }; | ||
|
|
||
| sharedModel.addSource(sourceId, sourceModel); | ||
| model.addLayer(UUID.uuid4(), layerModel); | ||
| }; | ||
|
|
||
| return ( | ||
| <GeoJSONLayerPropertiesForm | ||
| formContext={'create'} | ||
| model={model} | ||
| schema={schema} | ||
| sourceData={{ | ||
| name: 'Vector Layer' | ||
| }} | ||
| syncData={syncData} | ||
| cancel={cancel} | ||
| /> | ||
| ); | ||
| }; | ||
|
|
||
| /** | ||
| * Options for the dialog to create GeoJSON layer. | ||
| */ | ||
| export interface IGeoJSONLayerOptions { | ||
| model: IJupyterGISModel; | ||
| registry: IJGISFormSchemaRegistry; | ||
| } | ||
|
|
||
| /** | ||
| * The widget included in the Dialog shown when creating a GeoJSON layer (and source). | ||
| */ | ||
| export class GeoJSONLayerDialog extends Dialog<boolean> { | ||
| constructor(options: IGeoJSONLayerOptions) { | ||
| let cancelCallback: (() => void) | undefined = undefined; | ||
| cancelCallback = () => { | ||
| this.resolve(0); | ||
| }; | ||
|
|
||
| const body = ( | ||
| <GeoJSONLayerComponent | ||
| model={options.model} | ||
| formSchemaRegistry={options.registry} | ||
| cancel={cancelCallback} | ||
| /> | ||
| ); | ||
|
|
||
| super({ body, buttons: [Dialog.cancelButton(), Dialog.okButton()] }); | ||
|
|
||
| this.addClass('jGIS-geoJSONLayer-FormDialog'); | ||
| this.id = 'jupytergis::geoJSONLayerDialog'; | ||
| } | ||
| } |
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