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Alexandre Stanislawski
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src/connectors/numeric-selector/connectNumericSelector.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| import { | ||
| bemHelper, | ||
| getContainerNode, | ||
| } from '../../lib/utils.js'; | ||
| import cx from 'classnames'; | ||
|
|
||
| const bem = bemHelper('ais-numeric-selector'); | ||
|
|
||
| /** | ||
| * Instantiate a dropdown element to choose the number of hits to display per page | ||
| * @function numericSelector | ||
| * @param {string|DOMElement} options.container CSS Selector or DOMElement to insert the widget | ||
| * @param {string} options.attributeName Name of the numeric attribute to use | ||
| * @param {Array} options.options Array of objects defining the different values and labels | ||
| * @param {number} options.options[i].value The numerical value to refine with | ||
| * @param {string} options.options[i].label Label to display in the option | ||
| * @param {string} [options.operator='='] The operator to use to refine | ||
| * @param {boolean} [options.autoHideContainer=false] Hide the container when no results match | ||
| * @param {Object} [options.cssClasses] CSS classes to be added | ||
| * @param {string|string[]} [options.cssClasses.root] CSS classes added to the parent `<select>` | ||
| * @param {string|string[]} [options.cssClasses.item] CSS classes added to each `<option>` | ||
| * @return {Object} | ||
| */ | ||
| const usage = `Usage: numericSelector({ | ||
| container, | ||
| attributeName, | ||
| options, | ||
| cssClasses.{root,item}, | ||
| autoHideContainer | ||
| })`; | ||
|
|
||
| const connectNumericSelector = numericSelectorRendering => ({ | ||
| container, | ||
| operator = '=', | ||
| attributeName, | ||
| options, | ||
| cssClasses: userCssClasses = {}, | ||
| autoHideContainer = false, | ||
| }) => { | ||
| const containerNode = getContainerNode(container); | ||
| if (!container || !options || options.length === 0 || !attributeName) { | ||
| throw new Error(usage); | ||
| } | ||
|
|
||
| const cssClasses = { | ||
| root: cx(bem(null), userCssClasses.root), | ||
| item: cx(bem('item'), userCssClasses.item), | ||
| }; | ||
|
|
||
| return { | ||
| getConfiguration(currentSearchParameters, searchParametersFromUrl) { | ||
| return { | ||
| numericRefinements: { | ||
| [attributeName]: { | ||
| [operator]: [this._getRefinedValue(searchParametersFromUrl)], | ||
| }, | ||
| }, | ||
| }; | ||
| }, | ||
| init({helper}) { | ||
| this._refine = value => { | ||
| helper.clearRefinements(attributeName); | ||
| if (value !== undefined) { | ||
| helper.addNumericRefinement(attributeName, operator, value); | ||
| } | ||
| helper.search(); | ||
| }; | ||
|
|
||
| numericSelectorRendering({ | ||
| cssClasses, | ||
| currentValue: this._getRefinedValue(helper.state), | ||
| options, | ||
| setValue: this._refine, | ||
| shouldAutoHideContainer: autoHideContainer, | ||
| containerNode, | ||
| }, true); | ||
| }, | ||
|
|
||
| render({helper, results}) { | ||
| numericSelectorRendering({ | ||
| cssClasses, | ||
| currentValue: this._getRefinedValue(helper.state), | ||
| options, | ||
| setValue: this._refine, | ||
| shouldAutoHideContainer: autoHideContainer && results.nbHits === 0, | ||
| containerNode, | ||
| }, false); | ||
| }, | ||
|
|
||
| _getRefinedValue(state) { | ||
| // This is reimplementing state.getNumericRefinement | ||
| // But searchParametersFromUrl is not an actual SearchParameters object | ||
| // It's only the object structure without the methods, because getStateFromQueryString | ||
| // is not sending a SearchParameters. There's no way given how we built the helper | ||
| // to initialize a true partial state where only the refinements are present | ||
| return state && | ||
| state.numericRefinements && | ||
| state.numericRefinements[attributeName] !== undefined && | ||
| state.numericRefinements[attributeName][operator] !== undefined && | ||
| state.numericRefinements[attributeName][operator][0] !== undefined ? // could be 0 | ||
| state.numericRefinements[attributeName][operator][0] : | ||
| options[0].value; | ||
| }, | ||
| }; | ||
| }; | ||
|
|
||
| export default connectNumericSelector; |
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