86 lines
2.2 KiB
TypeScript
86 lines
2.2 KiB
TypeScript
import { Action } from 'redux'
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import { createReducer } from './lib'
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import { Record, List } from 'immutable'
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export type PlotCurveTypes = 'curve' | 'linear' | 'cubic_basis_spline' | 'step_after' | 'step_before'
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export interface ChartParameters {
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topic: string
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dotPath?: string
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interpolation?: PlotCurveTypes
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range?: {
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from?: number
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to?: number
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}
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}
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export interface ChartsStateModel {
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charts: List<ChartParameters>
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}
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export type ChartsState = Record<ChartsStateModel>
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export type Action = AddChart | RemoveChart | SetCharts | UpdateChart
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export enum ActionTypes {
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CHARTS_ADD = 'CHARTS_ADD',
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CHARTS_REMOVE = 'CHARTS_REMOVE',
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CHARTS_SET = 'CHARTS_SET',
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CHARTS_UPDATE = 'CHARTS_UPDATE',
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}
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export interface AddChart {
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type: ActionTypes.CHARTS_ADD
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chart: ChartParameters
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}
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export interface UpdateChart {
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type: ActionTypes.CHARTS_ADD
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topic: string
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dotPath?: string
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parameters: Partial<ChartParameters>
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}
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export interface RemoveChart {
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type: ActionTypes.CHARTS_REMOVE
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chart: ChartParameters
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}
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export interface SetCharts {
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type: ActionTypes.CHARTS_SET
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charts: Array<ChartParameters>
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}
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const initialState = Record<ChartsStateModel>({
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charts: List<ChartParameters>(),
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})
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export const chartsReducer = createReducer(initialState(), {
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CHARTS_ADD: addChart,
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CHARTS_REMOVE: removeChart,
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CHARTS_SET: setCharts,
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CHARTS_UPDATE: updateChart,
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})
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function addChart(state: ChartsState, action: AddChart) {
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return state.set('charts', state.get('charts').push(action.chart))
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}
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function updateChart(state: ChartsState, action: UpdateChart) {
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const charts = state.get('charts')
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const chartIdx = charts.findIndex(chart => chart.topic === action.topic && chart.dotPath === action.dotPath)
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const chart = charts.get(chartIdx)
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return state.set('charts', chart ? charts.set(chartIdx, { ...chart, ...action.parameters }) : charts)
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}
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function removeChart(state: ChartsState, action: RemoveChart) {
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const charts = state.get('charts')
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const newCharts = charts.filter(chart => chart.topic !== action.chart.topic || chart.dotPath !== action.chart.dotPath)
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return state.set('charts', newCharts)
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}
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function setCharts(state: ChartsState, action: SetCharts) {
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return state.set('charts', List(action.charts))
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}
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