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/* global wpforms_builder_help, wpf */
/**
* WPForms Builder Help screen module.
*
* @since 1.6.3
*/
'use strict';
var WPForms = window.WPForms || {};
WPForms.Admin = WPForms.Admin || {};
WPForms.Admin.Builder = WPForms.Admin.Builder || {};
WPForms.Admin.Builder.Help = WPForms.Admin.Builder.Help || ( function( document, window, $ ) {
/**
* Elements holder.
*
* @since 1.6.3
*
* @type {object}
*/
var el;
/**
* UI functions.
*
* @since 1.6.3
*
* @type {object}
*/
var ui;
/**
* Event handlers.
*
* @since 1.6.3
*
* @type {object}
*/
var event;
/**
* Public functions and properties.
*
* @since 1.6.3
*
* @type {object}
*/
var app = {
/**
* Start the engine. DOM is not ready yet, use only to init something.
*
* @since 1.6.3
*/
init: function() {
$( app.ready );
},
/**
* DOM is fully loaded.
*
* @since 1.6.3
*/
ready: function() {
app.setup();
app.initCategories();
app.events();
},
/**
* Setup. Prepare some variables.
*
* @since 1.6.3
*/
setup: function() {
// Cache DOM elements.
el = {
$builder: $( '#wpforms-builder' ),
$builderForm: $( '#wpforms-builder-form' ),
$helpBtn: $( '#wpforms-help' ),
$help: $( '#wpforms-builder-help' ),
$closeBtn: $( '#wpforms-builder-help-close' ),
$search: $( '#wpforms-builder-help-search' ),
$result: $( '#wpforms-builder-help-result' ),
$noResult: $( '#wpforms-builder-help-no-result' ),
$categories: $( '#wpforms-builder-help-categories' ),
$footer: $( '#wpforms-builder-help-footer' ),
};
},
/**
* Bind events.
*
* @since 1.6.3
*/
events: function() {
// Open/close help modal.
el.$helpBtn.on( 'click', event.openHelp );
el.$closeBtn.on( 'click', event.closeHelp );
// Expand/collapse category.
el.$categories.on( 'click', '.wpforms-builder-help-category header', event.toggleCategory );
// View all Category Docs button click.
el.$categories.on( 'click', '.wpforms-builder-help-category button.viewall', event.viewAllCategoryDocs );
// Input into search field.
el.$search.on( 'keyup', 'input', _.debounce( event.inputSearch, 250 ) );
// Clear search field.
el.$search.on( 'click', '#wpforms-builder-help-search-clear', event.clearSearch );
},
/**
* Init (generate) categories list.
*
* @since 1.6.3
*/
initCategories: function() {
// Display error if docs data is not available.
if ( wpf.empty( wpforms_builder_help.docs ) ) {
el.$categories.html( wp.template( 'wpforms-builder-help-categories-error' ) );
return;
}
var tmpl = wp.template( 'wpforms-builder-help-categories' ),
data = {
categories: wpforms_builder_help.categories,
docs: app.getDocsByCategories(),
};
el.$categories.html( tmpl( data ) );
},
/**
* Init categories list.
*
* @since 1.6.3
*
* @returns {object} Docs arranged by category.
*/
getDocsByCategories: function() {
var categories = wpforms_builder_help.categories,
docs = wpforms_builder_help.docs || [],
docsByCategories = {};
_.each( categories, function( categoryTitle, categorySlug ) {
var docsByCategory = [];
_.each( docs, function( doc ) {
if ( doc.categories && doc.categories.indexOf( categorySlug ) > -1 ) {
docsByCategory.push( doc );
}
} );
docsByCategories[ categorySlug ] = docsByCategory;
} );
return docsByCategories;
},
/**
* Get docs recommended by search term.
*
* @since 1.6.3
*
* @param {string} term Search term.
*
* @returns {Array} Recommended docs.
*/
getRecommendedDocs: function( term ) {
if ( wpf.empty( term ) ) {
return [];
}
term = term.toLowerCase();
var docs = wpforms_builder_help.docs,
recommendedDocs = [];
if ( wpf.empty( wpforms_builder_help.context.docs[ term ] ) ) {
return [];
}
_.each( wpforms_builder_help.context.docs[ term ], function( docId ) {
if ( ! wpf.empty( docs[ docId ] ) ) {
recommendedDocs.push( docs[ docId ] );
}
} );
return recommendedDocs;
},
/**
* Get docs filtered by search term.
*
* @since 1.6.3
*
* @param {string} term Search term.
*
* @returns {Array} Filtered docs.
*/
getFilteredDocs: function( term ) {
if ( wpf.empty( term ) ) {
return [];
}
var docs = wpforms_builder_help.docs,
filteredDocs = [];
term = term.toLowerCase();
_.each( docs, function( doc ) {
if ( doc.title && doc.title.toLowerCase().indexOf( term ) > -1 ) {
filteredDocs.push( doc );
}
} );
return filteredDocs;
},
/**
* Get the current context (state) of the form builder.
*
* @since 1.6.3
*
* @returns {string} Builder context string. For example 'fields/add_field' or 'settings/notifications'.
*/
getBuilderContext: function() {
// New (not saved) form.
if ( wpf.empty( el.$builderForm.data( 'id' ) ) ) {
return 'new_form';
}
// Determine builder panel and section.
var panel = el.$builder.find( '#wpforms-panels-toggle button.active' ).data( 'panel' ),
$panel = el.$builder.find( '#wpforms-panel-' + panel ),
section = '',
subsection = '',
context;
switch ( panel ) {
case 'fields':
section = $panel.find( '.wpforms-panel-sidebar .wpforms-tab a.active' ).parent().attr( 'id' );
break;
case 'setup':
section = '';
break;
default:
section = $panel.find( '.wpforms-panel-sidebar a.active' ).data( 'section' );
}
section = ! wpf.empty( section ) ? section.replace( /-/g, '_' ) : '';
// Detect field type.
if ( section === 'field_options' ) {
subsection = $panel.find( '#wpforms-field-options .wpforms-field-option:visible .wpforms-field-option-hidden-type' ).val();
}
// Combine to context array.
context = [ panel, section, subsection ].filter( function( el ) {
return ! wpf.empty( el ) && el !== 'default';
} );
// Return imploded string.
return context.join( '/' );
},
/**
* Get the search term for the current builder context.
*
* @since 1.6.3
*
* @returns {string} Builder context term string.
*/
getBuilderContextTerm: function() {
return wpforms_builder_help.context.terms[ app.getBuilderContext() ] || '';
},
};
/**
* UI functions.
*/
ui = {
/**
* Configuration.
*
* @since 1.6.3
*
* @type {object}
*/
config: {
speed: 300, // Fading/sliding duration in milliseconds.
},
/**
* Display the element by fading them to opaque using CSS.
*
* @since 1.6.3
*
* @param {jQuery} $el Element object.
*/
fadeIn: function( $el ) {
if ( ! $el.length ) {
return;
}
$el.css( {
display: '',
transition: `opacity ${ui.config.speed}ms ease-in 0s`,
} );
setTimeout( function() {
$el.css( 'opacity', '1' );
}, 0 );
},
/**
* Hide the element by fading them to transparent using CSS.
*
* @since 1.6.3
*
* @param {jQuery} $el Element object.
*/
fadeOut: function( $el ) {
if ( ! $el.length ) {
return;
}
$el.css( {
opacity: '0',
transition: `opacity ${ui.config.speed}ms ease-in 0s`,
} );
setTimeout( function() {
$el.css( 'display', 'none' );
}, ui.config.speed );
},
/**
* Collapse all categories.
*
* @since 1.6.3
*/
collapseAllCategories: function() {
el.$categories.find( '.wpforms-builder-help-category' ).removeClass( 'opened' );
el.$categories.find( '.wpforms-builder-help-docs' ).slideUp();
},
};
/**
* Event handlers.
*/
event = {
/**
* Open help modal.
*
* @since 1.6.3
*
* @param {object} e Event object.
*/
openHelp: function( e ) {
e.preventDefault();
var $firstCategory = el.$categories.find( '.wpforms-builder-help-category' ).first(),
builderContextTerm = app.getBuilderContextTerm();
if ( builderContextTerm === '' && ! $firstCategory.hasClass( 'opened' ) ) {
$firstCategory.find( 'header' ).first().trigger( 'click' );
} else {
ui.collapseAllCategories();
}
el.$search.find( 'input' ).val( builderContextTerm ).trigger( 'keyup' );
ui.fadeIn( el.$help );
setTimeout( function() {
ui.fadeIn( el.$result );
ui.fadeIn( el.$categories );
ui.fadeIn( el.$footer );
}, ui.config.speed );
},
/**
* Close help modal.
*
* @since 1.6.3
*
* @param {object} e Event object.
*/
closeHelp: function( e ) {
e.preventDefault();
ui.fadeOut( el.$result );
ui.fadeOut( el.$categories );
ui.fadeOut( el.$footer );
ui.fadeOut( el.$help );
},
/**
* Toggle category.
*
* @since 1.6.3
*
* @param {object} e Event object.
*/
toggleCategory: function( e ) {
var $category = $( this ).parent(),
$categoryDocs = $category.find( '.wpforms-builder-help-docs' );
if ( ! $categoryDocs.is( ':visible' ) ) {
$category.addClass( 'opened' );
} else {
$category.removeClass( 'opened' );
}
$categoryDocs.stop().slideToggle( ui.config.speed );
},
/**
* View All Category Docs button click.
*
* @since 1.6.3
*
* @param {object} e Event object.
*/
viewAllCategoryDocs: function( e ) {
var $btn = $( this );
$btn.prev( 'div' ).stop().slideToggle( ui.config.speed, function() {
$btn.closest( '.wpforms-builder-help-category' ).addClass( 'viewall' );
} );
ui.fadeOut( $btn );
$btn.slideUp();
},
/**
* Input into search field.
*
* @since 1.6.3
*
* @param {object} e Event object.
*/
inputSearch: function( e ) {
var $input = $( this ),
term = $input.val();
var tmpl = wp.template( 'wpforms-builder-help-docs' ),
recommendedDocs = app.getRecommendedDocs( term ),
filteredDocs = event.removeDuplicates( recommendedDocs, app.getFilteredDocs( term ) ),
resultHTML = '';
el.$search.toggleClass( 'wpforms-empty', ! term );
if ( ! wpf.empty( recommendedDocs ) ) {
resultHTML += tmpl( {
docs: recommendedDocs,
} );
}
if ( ! wpf.empty( filteredDocs ) ) {
resultHTML += tmpl( {
docs: filteredDocs,
} );
}
el.$noResult.toggle( resultHTML === '' && term !== '' );
el.$result.html( resultHTML );
el.$help[0].scrollTop = 0;
},
/**
* Remove duplicated items in the filtered docs.
*
* @since 1.6.3
*
* @param {Array} recommendedDocs Recommended docs.
* @param {Array} filteredDocs Filtered docs.
*
* @returns {Array} Filtered docs without duplicated items in the recommended docs.
*/
removeDuplicates: function( recommendedDocs, filteredDocs ) {
if ( wpf.empty( recommendedDocs ) || wpf.empty( filteredDocs ) ) {
return filteredDocs;
}
var docs = [];
for ( var i = 0; i < recommendedDocs.length, i++; ) {
for ( var k = 0; k < filteredDocs.length, k++; ) {
if ( filteredDocs[ k ].url !== recommendedDocs[ i ].url ) {
docs.push( filteredDocs[ k ] );
}
}
}
return docs;
},
/**
* Clear search field.
*
* @since 1.6.3
*
* @param {object} e Event object.
*/
clearSearch: function( e ) {
el.$search.find( 'input' ).val( '' ).trigger( 'keyup' );
},
};
// Provide access to public functions/properties.
return app;
}( document, window, jQuery ) );
// Initialize.
WPForms.Admin.Builder.Help.init();