@airtable/blocks/ui#useViewport JavaScript Examples

/**
 * Wraps children in a context provider for the `svgPanZoom` instance.
 *
 * The `svgPanZoom` instance can't be instantiated until after the first render, because it needs
 * the root SVG element to exist in the DOM.
 *
 * @param {Element} props.children
 */
export default function SvgPanZoomWrapper({children}) {
    const [svgPanZoomInstance, setSvgPanZoomInstance] = useState(null);
    const viewport = useViewport();
    useEffect(() => {
        if (svgPanZoomInstance) {
            svgPanZoomInstance.resize();
            svgPanZoomInstance.fit();
            svgPanZoomInstance.center();
        }
    }, [svgPanZoomInstance, viewport.isFullscreen]);

    useEffect(() => {
        const panZoom = svgPanZoom('#root', {
            zoomScaleSensitivity: 0.04,
            minZoom: 0.2,
            maxZoom: 40,
            center: true,
            fit: true,
            dblClickZoomEnabled: false,
        });
        setSvgPanZoomInstance(panZoom);

        return () => panZoom.destroy();
    }, []);

    return (
        <SvgPanZoomContext.Provider value={svgPanZoomInstance}>
            {children}
        </SvgPanZoomContext.Provider>
    );
}

function USAMapBlock() {
    const [isShowingSettings, setIsShowingSettings] = useState(false);
    const [selectedState, setSelectedState] = useState(null);

    useSettingsButton(function() {
        setIsShowingSettings(!isShowingSettings);
    });

    const viewport = useViewport();

    const base = useBase();
    const globalConfig = useGlobalConfig();
    const tableId = globalConfig.get('selectedTableId');
    const stateFieldId = globalConfig.get('selectedStateFieldId');
    const colorFieldId = globalConfig.get('selectedColorFieldId');

    const table = base.getTableByIdIfExists(tableId);
    const stateField = table ? table.getFieldByIdIfExists(stateFieldId) : null;
    const colorField = table ? table.getFieldByIdIfExists(colorFieldId) : null;

    // if (table == null || stateField == null || colorField == null) {
    //     setIsShowingSettings(true);
    // }

    const records = useRecords(stateField ? table : null);

    let mapData = null;
    if (stateField !== null && colorField !== null) {
        mapData = getMapData(records, stateField, colorField);
    }

    const mapHandler = (event) => {
        setSelectedState(event.target.dataset.name);
    };

    // If settings is showing, draw settings only
    if (isShowingSettings) {
        return (
            <Box padding={3} display="flex">
                <FormField
                    label="Table"
                    description="Choose the table you want to your State data to come from."
                    padding={1}
                    marginBottom={0}
                >
                    <TablePickerSynced globalConfigKey="selectedTableId" />
                </FormField>
                <FormField
                    label="State Field"
                    description='The State field will select a state by either abbreviation ("NJ") or name ("New Jersey")'
                    marginBottom={0}
                    padding={1}
                >
                    <FieldPickerSynced
                        table={table}
                        globalConfigKey="selectedStateFieldId"
                        placeholder="Pick a 'state' field..."
                        allowedTypes={[FieldType.SINGLE_LINE_TEXT, FieldType.SINGLE_SELECT, FieldType.MULTIPLE_RECORD_LINKS, FieldType.MULTIPLE_LOOKUP_VALUES]}
                    />
                </FormField>
                <FormField
                    label="Color Field"
                    marginBottom={0}
                    description="Choose the state color using either a text field which describes the color name, or a single select."
                    padding={1}
                >
                    <FieldPickerSynced
                        table={table}
                        globalConfigKey="selectedColorFieldId"
                        placeholder="Pick a 'color' field..."
                        allowedTypes={[FieldType.SINGLE_LINE_TEXT, FieldType.SINGLE_SELECT, FieldType.MULTIPLE_LOOKUP_VALUES, FieldType.NUMBER]}
                    />

                {colorField != null && colorField.type === FieldType.NUMBER &&
                    <text>You have selected a numeric type; state colors will be normalized to the maximum value in your field.</text>
                }
                </FormField>
            </Box>
        )
    }
    // otherwise draw the map.
    return (
        <div>
            <Box border="default"
                 backgroundColor="lightGray1"
                //  padding={}
                 >
                {/* TODO Allow selected state to show a column of data. */}
                {/* {selectedState
                    ? <SelectedState selected={selectedState}/>
                    : <div>Click to select a state</div>
                } */}
                <USAMap
                    title="USA USA USA"
                    width={viewport.size.width}
                    height={viewport.size.height - 5}
                    customize={mapData}
                    onClick={mapHandler}
                />
            </Box>
        </div>
    )
}