index.js

/**
 * Hydrograph charting module.
 */
import {select} from 'd3-selection';

import {createStructuredSelector} from 'reselect';

import {link} from '../../lib/d3-redux';
import {isLoadingTS, hasAnyTimeSeries} from '../../selectors/time-series-selector';
import {Actions} from '../../store';

import {cursorSlider} from './cursor';
import {drawDateRangeControls} from './date-controls';
import {lineSegmentsByParmCdSelector} from './drawing-data';
import {drawGraphBrush} from './graph-brush';
import {drawGraphControls} from './graph-controls';
import {SPARK_LINE_DIM}  from './layout';
import {drawTimeSeriesLegend} from './legend';
import {drawLoadingIndicator} from '../../d3-rendering/loading-indicator';
import {drawMethodPicker} from './method-picker';
import {plotSeriesSelectTable, availableTimeSeriesSelector} from './parameters';
import {timeSeriesScalesByParmCdSelector} from './scales';
import {allTimeSeriesSelector} from './time-series';
import {drawTimeSeriesGraph} from './time-series-graph';


const drawMessage = function(elem, message) {
    // Set up parent element and SVG
    elem.innerHTML = '';
    const alertBox = elem
        .append('div')
            .attr('class', 'usa-alert usa-alert-warning')
            .append('div')
                .attr('class', 'usa-alert-body');
    alertBox
        .append('h3')
            .attr('class', 'usa-alert-heading')
            .html('Hydrograph Alert');
    alertBox
        .append('p')
            .html(message);
};

/**
 * Modify styling to hide or display the elem.
 *
 * @param elem
 * @param {Boolean} showElem
 */
const controlDisplay = function(elem, showElem) {
    elem.attr('hidden', showElem ? null : true);
};

const dataLoadingAlert = function(elem, message) {
    elem.select('#no-data-message').remove();
    if (message) {
        elem.append('div')
            .attr('id', 'no-data-message')
            .attr('class', 'usa-alert usa-alert-info')
            .append('div')
            .attr('class', 'usa-alert-body')
            .append('p')
            .attr('class', 'usa-alert-text')
            .text(message);
    }
};

export const attachToNode = function (store,
                                      node,
                                      {
                                          siteno,
                                          parameter,
                                          compare,
                                          period,
                                          startDT,
                                          endDT,
                                          cursorOffset,
                                          showOnlyGraph = false,
                                          showMLName = false
                                      } = {}) {
    const nodeElem = select(node);
    if (!siteno) {
        select(node).call(drawMessage, 'No data is available.');
        return;
    }

    // Initialize hydrograph with the store and show the loading indicator
    store.dispatch(Actions.resizeUI(window.innerWidth, node.offsetWidth));
    nodeElem
        .select('.loading-indicator-container')
            .call(link(store, drawLoadingIndicator, createStructuredSelector({
                showLoadingIndicator: isLoadingTS('current', 'P7D'),
                sizeClass: () => 'fa-3x'
            })));

    // If specified, turn the visibility of the comparison time series on.
    if (compare) {
        store.dispatch(Actions.toggleTimeSeries('compare', true));
    }

    // If specified, initialize the cursorOffset
    if (cursorOffset !== undefined) {
        store.dispatch(Actions.setCursorOffset(cursorOffset));
    }

    if (startDT !==undefined && endDT !== undefined) {
        store.dispatch(Actions.retrieveDataForDateRange(siteno, startDT, endDT, parameter));
    }

    // Fetch the time series data
    if (period) {
        store.dispatch(Actions.retrieveCustomTimePeriodTimeSeries(siteno, parameter ? parameter : '00060', period))
            .catch((message) => dataLoadingAlert(nodeElem, message ? message : 'No data returned'));
    } else {
        store.dispatch(Actions.retrieveTimeSeries(siteno, parameter ? [parameter] : null))
            .catch(() => dataLoadingAlert((nodeElem, 'No current time series data available for this site')));
    }
    store.dispatch(Actions.retrieveMedianStatistics(siteno));

    // Set up rendering functions for the graph-container
    let graphContainer = nodeElem.select('.graph-container')
        .call(link(store, controlDisplay, hasAnyTimeSeries))
        .call(drawTimeSeriesGraph, store, siteno, showMLName);
    if (!showOnlyGraph) {
        graphContainer.call(cursorSlider, store);
        graphContainer.call(drawGraphBrush, store);
    }
    graphContainer.append('div')
        .classed('ts-legend-controls-container', true)
        .call(drawTimeSeriesLegend, store);

    // Add UI interactive elements and the provisional data alert.
    if (!showOnlyGraph) {
        nodeElem
            .call(drawMethodPicker, store)
            .call(drawDateRangeControls, store, siteno);

        nodeElem.select('.ts-legend-controls-container')
            .call(drawGraphControls, store);

        nodeElem.select('.select-time-series-container')
            .call(link(store, plotSeriesSelectTable, createStructuredSelector({
                siteno: () => siteno,
                availableTimeSeries: availableTimeSeriesSelector,
                lineSegmentsByParmCd: lineSegmentsByParmCdSelector('current', 'P7D'),
                timeSeriesScalesByParmCd: timeSeriesScalesByParmCdSelector('current', 'P7D', SPARK_LINE_DIM)
            }), store));
        nodeElem.select('.provisional-data-alert')
            .call(link(store, function(elem, allTimeSeries) {
                elem.attr('hidden', Object.keys(allTimeSeries).length ? null : true);
            }, allTimeSeriesSelector));
    }

    window.onresize = function() {
        store.dispatch(Actions.resizeUI(window.innerWidth, node.offsetWidth));
    };
};