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/* global wpforms_settings, WPFormsUtils */
/**
* @param wpforms_settings.css_vars
* @param wpforms_settings.formErrorMessagePrefix
* @param wpforms_settings.indicatorStepsPattern
* @param wpforms_settings.submitBtnDisabled
*/
// noinspection ES6ConvertVarToLetConst
/**
* Modern Frontend.
*
* @since 1.8.1
*/
// eslint-disable-next-line no-var
var WPForms = window.WPForms || {};
WPForms.FrontendModern = WPForms.FrontendModern || ( function( document, window, $ ) {
// noinspection JSUnusedLocalSymbols,JSUnusedGlobalSymbols
const app = {
/**
* Start the engine.
*
* @since 1.8.1
*/
init() {
// Document ready.
$( app.ready );
app.bindOptinMonster();
},
/**
* Document ready.
*
* @since 1.8.1
*/
ready() {
app.updateGBBlockAccentColors();
app.initPageBreakButtons();
app.initButtonStyle();
app.events();
},
/**
* Events.
*
* @since 1.8.1
*/
events() {
$( document )
.on( 'wpforms_elementor_form_fields_initialized', app.initPageBreakButtons );
$( 'form.wpforms-form' )
.on( 'wpformsCombinedUploadsSizeError', app.combinedUploadsSizeError )
.on( 'wpformsFormSubmitButtonDisable', app.formSubmitButtonDisable )
.on( 'wpformsFormSubmitButtonRestore', app.formSubmitButtonRestore )
.on( 'wpformsPageChange', app.pageChange );
$( 'form.wpforms-form .wpforms-submit' )
.on( 'keydown click', app.disabledButtonPress );
// Add styling to timepicker dropdown.
$( document )
.on( 'focus', '.wpforms-render-modern .wpforms-timepicker', app.updateTimepickerDropdown );
// Reset timepicker dropdown styles.
$( document )
.on( 'focusout', '.wpforms-render-modern .wpforms-timepicker', app.resetTimepickerDropdown );
},
/**
* OptinMonster compatibility.
*
* Re-initialize after OptinMonster loads to accommodate changes that
* have occurred to the DOM.
*
* @since 1.9.0
*/
bindOptinMonster() {
// OM v5.
document.addEventListener( 'om.Campaign.load', function() {
app.ready();
} );
// OM Legacy.
$( document ).on( 'OptinMonsterOnShow', function() {
app.ready();
} );
},
/**
* Add styling to timepicker dropdown.
*
* @since 1.8.8
*/
updateTimepickerDropdown() {
const cssVars = app.getCssVars( $( this ) );
setTimeout(
function() {
const $list = $( '.ui-timepicker-wrapper .ui-timepicker-list' );
$list.css( 'background', cssVars[ 'field-menu-color' ] );
$list.find( 'li' ).css( 'color', cssVars[ 'field-text-color' ] );
$list.find( '.ui-timepicker-selected' )
.css( 'background', cssVars[ 'button-background-color' ] )
.css( 'color', cssVars[ 'button-text-color' ] );
},
0
);
},
/**
* Reset timepicker dropdown styles.
*
* @since 1.8.9.5
*/
resetTimepickerDropdown() {
setTimeout(
function() {
const $list = $( '.ui-timepicker-wrapper .ui-timepicker-list' );
$list.find( ':not(.ui-timepicker-selected)' ).attr( 'style', '' );
},
0
);
},
/**
* Update accent colors of some fields in GB block in Modern Markup mode.
*
* @since 1.8.8
*/
initButtonStyle() {
// Loop through all the GB blocks on the page.
$( '.wpforms-block.wpforms-container-full, .elementor-widget-wpforms .wpforms-container-full' ).each( function() {
const $form = $( this );
const contStyle = getComputedStyle( $form.get( 0 ) );
const btnBgColor = app.getCssVar( contStyle, '--wpforms-button-background-color-alt' );
if ( app.isTransparentColor( btnBgColor ) ) {
$form.find( 'button.wpforms-submit' ).addClass( 'wpforms-opacity-hover' );
}
} );
},
/**
* Checks if the provided color has transparency.
*
* @since 1.8.8
*
* @param {string} color The color to check.
*
* @return {boolean} Returns true if the color is transparent.
*/
isTransparentColor( color ) {
const rgba = app.getColorAsRGBArray( color );
// The max opacity value of the color that is considered as transparent.
const opacityThreshold = 0.33;
const opacity = Number( rgba?.[ 3 ] );
// Compare the opacity value with the threshold.
return opacity <= opacityThreshold;
},
/**
* Update accent colors of some fields in GB block in Modern Markup mode.
*
* @since 1.8.1
*/
updateGBBlockAccentColors() {
// Loop through all the GB blocks on the page.
$( '.wpforms-block.wpforms-container-full, .elementor-widget-wpforms .wpforms-container-full' ).each( function() {
const $form = $( this );
app.updateGBBlockPageIndicatorColor( $form );
app.updateGBBlockIconChoicesColor( $form );
app.updateGBBlockRatingColor( $form );
} );
},
/**
* Update accent color of Page Indicator.
*
* @since 1.8.1
*
* @param {jQuery} $form Form container.
*/
updateGBBlockPageIndicatorColor( $form ) {
const $indicator = $form.find( '.wpforms-page-indicator' ),
$indicatorPage = $indicator.find( '.wpforms-page-indicator-page-progress, .wpforms-page-indicator-page.active .wpforms-page-indicator-page-number' ),
$indicatorTriangle = $indicatorPage.find( '.wpforms-page-indicator-page-triangle' );
$indicator.data( 'indicator-color', 'var( --wpforms-page-break-color )' );
$indicatorPage.css( 'background-color', 'var( --wpforms-page-break-color )' );
$indicatorTriangle.css( 'border-top-color', 'var( --wpforms-page-break-color )' );
},
/**
* Update accent color of Icon Choices.
*
* @since 1.8.1
*
* @param {jQuery} $form Form container.
*/
updateGBBlockIconChoicesColor( $form ) {
$form
.find( '.wpforms-icon-choices' )
.css( '--wpforms-icon-choices-color', 'var( --wpforms-button-background-color )' );
},
/**
* Update accent color of Rating field.
*
* @since 1.8.1
*
* @param {jQuery} $form Form container.
*/
updateGBBlockRatingColor( $form ) {
$form
.find( '.wpforms-field-rating-item svg' )
.css( 'color', 'var( --wpforms-page-break-color, var( --wpforms-button-background-color ) )' );
},
/**
* Init Page Break fields.
*
* @since 1.8.1
*/
initPageBreakButtons() {
$( '.wpforms-page-button' )
.removeClass( 'wpforms-disabled' )
.attr( 'aria-disabled', 'false' )
.attr( 'aria-describedby', '' );
},
/**
* Handler for `wpformsCombinedUploadsSizeError` event.
* Accessibility enhancements to error container and submit button.
*
* @since 1.8.1
*
* @param {Object} e Event object.
* @param {jQuery} $form Form object.
* @param {jQuery} $errorCnt Error container object.
*/
combinedUploadsSizeError( e, $form, $errorCnt ) {
const formId = $form.data( 'formid' ),
errormessage = $form.attr( 'aria-errormessage' ) || '',
errorCntId = `wpforms-${ formId }-footer-error`,
$submitBtn = $form.find( '.wpforms-submit' );
$form.attr( {
'aria-invalid': 'true',
'aria-errormessage': `${ errormessage } ${ errorCntId }`,
} );
$errorCnt.attr( {
role: 'alert',
id: errorCntId,
} );
// Add error message prefix.
$errorCnt.find( '> .wpforms-hidden:first-child' ).remove();
$errorCnt.prepend( `<span class="wpforms-hidden">${ wpforms_settings.formErrorMessagePrefix }</span>` );
// Instead of set the `disabled` property,
// we must use `aria-disabled` and `aria-describedby` attributes in conduction with `wpforms-disabled` class.
$submitBtn.attr( 'aria-describedby', errorCntId );
},
/**
* Handler for `wpformsCombinedUploadsSizeOk` event.
*
* @since 1.8.1
* @deprecated 1.8.3
*
* @param {Object} e Event object.
* @param {jQuery} $form Form object.
* @param {jQuery} $errorCnt Error container object.
*/
// eslint-disable-next-line no-unused-vars
combinedUploadsSizeOk( e, $form, $errorCnt ) {
// eslint-disable-next-line no-console
console.warn( 'WARNING! Function "WPForms.FrontendModern( e, $form, $errorCnt )" has been deprecated, please use the new "formSubmitButtonDisable: function( e, $form, $submitBtn )" function instead!' );
const $submitBtn = $form.find( '.wpforms-submit' );
// Revert aria-* attributes to the normal state.
$submitBtn
.removeClass( 'wpforms-disabled' )
.attr( 'aria-disabled', 'false' )
.attr( 'aria-describedby', '' );
},
/**
* Handler for `wpformsFormSubmitButtonDisable` event.
*
* @since 1.8.1
*
* @param {Object} e Event object.
* @param {jQuery} $form Form object.
* @param {jQuery} $submitBtn Submit a button object.
*/
formSubmitButtonDisable( e, $form, $submitBtn ) {
const disabledBtnDescId = $form.attr( 'id' ) + '-submit-btn-disabled';
$submitBtn.before( `<div class="wpforms-hidden" id="${ disabledBtnDescId }">${ wpforms_settings.submitBtnDisabled }</div>` );
$submitBtn
.prop( 'disabled', false )
.addClass( 'wpforms-disabled' )
.attr( 'aria-disabled', 'true' )
.attr( 'aria-describedby', disabledBtnDescId );
},
/**
* Handler for `wpformsFormSubmitButtonRestore` event.
*
* @since 1.8.1
*
* @param {Object} e Event object.
* @param {jQuery} $form Form object.
* @param {jQuery} $submitBtn Submit a button object.
*/
formSubmitButtonRestore( e, $form, $submitBtn ) {
const disabledBtnDescId = $form.attr( 'id' ) + '-submit-btn-disabled';
$form.find( '#' + disabledBtnDescId ).remove();
$submitBtn
.removeClass( 'wpforms-disabled' )
.attr( 'aria-disabled', 'false' )
.attr( 'aria-describedby', '' );
},
/**
* Disabled button click/keydown event handler.
*
* @since 1.8.1
*
* @param {Object} e Event object.
*/
disabledButtonPress( e ) {
const $submitBtn = $( this );
if ( ! $submitBtn.hasClass( 'wpforms-disabled' ) ) {
return;
}
if ( e.key === 'Enter' || e.type === 'click' ) {
e.preventDefault();
e.stopPropagation();
}
},
/**
* Page change event handler.
*
* @since 1.8.1
*
* @param {Object} e Event object.
* @param {number} nextPage The next page number.
* @param {jQuery} $form Current form.
*/
pageChange( e, nextPage, $form ) {
const $pageIndicator = $form.find( '.wpforms-page-indicator' );
if ( ! wpforms_settings.indicatorStepsPattern || ! $pageIndicator.length ) {
return;
}
const totalPages = $form.find( '.wpforms-page' ).length;
let msg = wpforms_settings.indicatorStepsPattern;
let pageTitle;
msg = msg.replace( '{current}', nextPage ).replace( '{total}', totalPages );
if ( $pageIndicator.hasClass( 'progress' ) ) {
pageTitle = $pageIndicator.find( '.wpforms-page-indicator-page-title' ).data( `page-${ nextPage }-title` );
} else {
pageTitle = $pageIndicator.find( `.wpforms-page-indicator-page-${ nextPage } .wpforms-page-indicator-page-title` ).text();
}
msg = pageTitle ? pageTitle + '. ' + msg : msg;
$pageIndicator.attr( 'aria-valuenow', nextPage );
app.screenReaderAnnounce( msg, 'polite' );
},
/**
* Allows the screen reader to talk directly through the use of JS.
*
* @since 1.8.1
*
* @param {string} text The message to be vocalised
* @param {string} priority Aria-live priority. "polite" (by default) or "assertive".
*/
screenReaderAnnounce( text, priority ) {
const el = document.createElement( 'div' );
const id = 'wpforms-screen-reader-announce-' + Date.now();
el.setAttribute( 'id', id );
el.setAttribute( 'aria-live', priority || 'polite' );
el.classList.add( 'wpforms-screen-reader-announce' );
const node = document.body.appendChild( el );
setTimeout( function() {
node.innerHTML = text;
}, 100 );
setTimeout( function() {
document.body.removeChild( node );
}, 1000 );
},
/**
* Add opacity to color string.
* Supports formats: RGB, RGBA, HEX, HEXA.
*
* If the given color has an alpha channel, the new alpha channel will be calculated according to the given opacity.
*
* @since 1.8.1
*
* @param {string} color Color.
* @param {string} opacity Opacity.
*
* @return {string} Color in RGBA format with an added alpha channel according to given opacity.
*/
getColorWithOpacity( color, opacity ) {
// Moved to ../share/utils.js
return WPFormsUtils.cssColorsUtils.getColorWithOpacity( color, opacity );
},
/**
* Remove opacity from the color value.
* Supports formats: RGB, RGBA, HEX, HEXA.
*
* @since 1.8.1
*
* @param {string} color Color.
*
* @return {string} Color in RGB format.
*/
getSolidColor( color ) {
color = color.trim();
const rgbArray = app.getColorAsRGBArray( color );
if ( ! rgbArray ) {
return color;
}
// Combine and return the RGB color.
return `rgb(${ rgbArray[ 0 ] },${ rgbArray[ 1 ] },${ rgbArray[ 2 ] })`;
},
/**
* Check if the given color is a valid CSS color.
*
* @since 1.8.1
*
* @param {string} color Color.
*
* @return {boolean} True if the given color is a valid CSS color.
*/
isValidColor( color ) {
// Moved to ../share/utils.js
return WPFormsUtils.cssColorsUtils.isValidColor( color );
},
/**
* Get color as an array of RGB(A) values.
*
* @since 1.8.1
*
* @param {string} color Color.
*
* @return {Array|boolean} Color as an array of RGBA values. False on error.
*/
getColorAsRGBArray( color ) {
// Moved to ../share/utils.js
return WPFormsUtils.cssColorsUtils.getColorAsRGBArray( color );
},
/**
* Get CSS variable value.
*
* @since 1.8.1
*
* @param {Object} style Computed style object.
* @param {string} varName Style custom property name.
*
* @return {string|null} CSS variable value;
*/
getCssVar( style, varName ) {
if ( ! style || typeof style.getPropertyValue !== 'function' ) {
return null;
}
let value = style.getPropertyValue( varName ).trim();
if ( varName.includes( 'color' ) ) {
value = value.replace( /\s/g, '' );
}
return value;
},
/**
* Get all CSS variables.
*
* @since 1.8.1
*
* @param {jQuery} $form Form OR any element inside the form.
*
* @return {Object} CSS variables;
*/
getCssVars( $form ) {
if ( ! $form || ! $form.length ) {
return null;
}
const $cont = $form.hasClass( 'wpforms-container' ) ? $form : $form.closest( '.wpforms-container' );
const contStyle = getComputedStyle( $cont.get( 0 ) );
const cssVars = wpforms_settings.css_vars;
const vars = {};
for ( let i = 0; i < cssVars.length; i++ ) {
vars[ cssVars[ i ] ] = app.getCssVar( contStyle, '--wpforms-' + cssVars[ i ] );
}
return vars;
},
};
return app;
}( document, window, jQuery ) );
// Initialize.
WPForms.FrontendModern.init();