woocommerce/assets/js/frontend/add-to-cart-variation.js

475 lines
15 KiB
JavaScript

/*global wc_add_to_cart_variation_params */
/*global wc_cart_fragments_params */
/*!
* Variations Plugin
*/
;(function ( $, window, document, undefined ) {
$.fn.wc_variation_form = function() {
var $form = this;
var $product = $form.closest('.product');
var $product_id = parseInt( $form.data( 'product_id' ), 10 );
var $product_variations = $form.data( 'product_variations' );
var $use_ajax = $product_variations === false;
var $xhr = false;
var $reset_variations = $form.find( '.reset_variations' );
// Unbind any existing events
$form.unbind( 'check_variations update_variation_values found_variation' );
$form.find( '.reset_variations' ).unbind( 'click' );
$form.find( '.variations select' ).unbind( 'change focusin' );
// Bind new events to form
$form
// On clicking the reset variation button
.on( 'click', '.reset_variations', function() {
$form.find( '.variations select' ).val( '' ).change();
$form.trigger( 'reset_data' );
return false;
} )
// Reset product data
.on( 'reset_data', function() {
var to_reset = {
'.sku': 'o_sku',
'.product_weight': 'o_weight',
'.product_dimensions': 'o_dimensions'
};
$.each( to_reset, function( selector, data_attribute ) {
var $el = $product.find( selector );
if ( $el.attr( 'data-' + data_attribute ) ) {
$el.text( $el.attr( 'data-' + data_attribute ) );
}
});
$form.find( '.woocommerce-variation-description' ).remove();
$form.trigger( 'reset_image' );
$form.find( '.single_variation_wrap' ).slideUp( 200 ).trigger( 'hide_variation' );
} )
// Reset product image
.on( 'reset_image', function() {
var $product_img = $product.find( 'div.images img:eq(0)' ),
$product_link = $product.find( 'div.images a.zoom:eq(0)' ),
o_src = $product_img.attr( 'data-o_src' ),
o_title = $product_img.attr( 'data-o_title' ),
o_alt = $product_img.attr( 'data-o_title' ),
o_href = $product_link.attr( 'data-o_href' );
if ( o_src !== undefined ) {
$product_img.attr( 'src', o_src );
}
if ( o_href !== undefined ) {
$product_link.attr( 'href', o_href );
}
if ( o_title !== undefined ) {
$product_img.attr( 'title', o_title );
$product_link.attr( 'title', o_title );
}
if ( o_alt !== undefined ) {
$product_img.attr( 'alt', o_alt );
}
} )
// On changing an attribute
.on( 'change', '.variations select', function() {
$form.find( 'input[name="variation_id"], input.variation_id' ).val( '' ).change();
$form.find( '.wc-no-matching-variations' ).remove();
if ( $use_ajax ) {
if ( $xhr ) {
$xhr.abort();
}
var all_attributes_chosen = true;
var some_attributes_chosen = false;
var data = {};
$form.find( '.variations select' ).each( function() {
var attribute_name = $( this ).data( 'attribute_name' ) || $( this ).attr( 'name' );
if ( $( this ).val().length === 0 ) {
all_attributes_chosen = false;
} else {
some_attributes_chosen = true;
}
data[ attribute_name ] = $( this ).val();
});
if ( all_attributes_chosen ) {
// Get a matchihng variation via ajax
data.product_id = $product_id;
$xhr = $.ajax( {
url: wc_cart_fragments_params.wc_ajax_url + 'get_variation/',
type: 'POST',
data: data,
success: function( variation ) {
if ( variation ) {
$form.find( 'input[name="variation_id"], input.variation_id' )
.val( variation.variation_id )
.change();
$form.trigger( 'found_variation', [ variation ] );
} else {
$form.trigger( 'reset_data' );
$form.find( '.single_variation_wrap' ).after( '<p class="wc-no-matching-variations woocommerce-info">' + wc_add_to_cart_variation_params.i18n_no_matching_variations_text + '</p>' );
$form.find( '.wc-no-matching-variations' ).slideDown( 200 );
}
}
} );
} else {
$form.trigger( 'reset_data' );
}
if ( some_attributes_chosen ) {
if ( $reset_variations.css( 'visibility' ) === 'hidden' ) {
$reset_variations.css( 'visibility', 'visible' ).hide().fadeIn();
}
} else {
$reset_variations.css( 'visibility', 'hidden' );
}
} else {
$form.trigger( 'woocommerce_variation_select_change' );
$form.trigger( 'check_variations', [ '', false ] );
$( this ).blur();
}
// Custom event for when variation selection has been changed
$form.trigger( 'woocommerce_variation_has_changed' );
} )
// Upon gaining focus
.on( 'focusin touchstart', '.variations select', function() {
if ( ! $use_ajax ) {
$form.trigger( 'woocommerce_variation_select_focusin' );
$form.trigger( 'check_variations', [ $( this ).data( 'attribute_name' ) || $( this ).attr( 'name' ), true ] );
}
} )
// Show single variation details (price, stock, image)
.on( 'found_variation', function( event, variation ) {
var $product_img = $product.find( 'div.images img:eq(0)' ),
$product_link = $product.find( 'div.images a.zoom:eq(0)' ),
o_src = $product_img.attr( 'data-o_src' ),
o_title = $product_img.attr( 'data-o_title' ),
o_alt = $product_img.attr( 'data-o_alt' ),
o_href = $product_link.attr( 'data-o_href' ),
variation_image = variation.image_src,
variation_link = variation.image_link,
variation_caption = variation.image_caption,
variation_title = variation.image_title;
$form.find( '.variations_button' ).show();
$form.find( '.single_variation' ).html( variation.price_html + variation.availability_html );
if ( o_src === undefined ) {
o_src = ( ! $product_img.attr( 'src' ) ) ? '' : $product_img.attr( 'src' );
$product_img.attr( 'data-o_src', o_src );
}
if ( o_href === undefined ) {
o_href = ( ! $product_link.attr( 'href' ) ) ? '' : $product_link.attr( 'href' );
$product_link.attr( 'data-o_href', o_href );
}
if ( o_title === undefined ) {
o_title = ( ! $product_img.attr( 'title' ) ) ? '' : $product_img.attr( 'title' );
$product_img.attr( 'data-o_title', o_title );
}
if ( o_alt === undefined ) {
o_alt = ( ! $product_img.attr( 'alt' ) ) ? '' : $product_img.attr( 'alt' );
$product_img.attr( 'data-o_alt', o_alt );
}
if ( variation_image && variation_image.length > 1 ) {
$product_img
.attr( 'src', variation_image )
.attr( 'alt', variation_title )
.attr( 'title', variation_title );
$product_link
.attr( 'href', variation_link )
.attr( 'title', variation_caption );
} else {
$product_img
.attr( 'src', o_src )
.attr( 'alt', o_alt )
.attr( 'title', o_title );
$product_link
.attr( 'href', o_href )
.attr( 'title', o_title );
}
var $single_variation_wrap = $form.find( '.single_variation_wrap' ),
$sku = $product.find( '.product_meta' ).find( '.sku' ),
$weight = $product.find( '.product_weight' ),
$dimensions = $product.find( '.product_dimensions' );
if ( ! $sku.attr( 'data-o_sku' ) ) {
$sku.attr( 'data-o_sku', $sku.text() );
}
if ( ! $weight.attr( 'data-o_weight' ) ) {
$weight.attr( 'data-o_weight', $weight.text() );
}
if ( ! $dimensions.attr( 'data-o_dimensions' ) ) {
$dimensions.attr( 'data-o_dimensions', $dimensions.text() );
}
if ( variation.sku ) {
$sku.text( variation.sku );
} else {
$sku.text( $sku.attr( 'data-o_sku' ) );
}
if ( variation.weight ) {
$weight.text( variation.weight );
} else {
$weight.text( $weight.attr( 'data-o_weight' ) );
}
if ( variation.dimensions ) {
$dimensions.text( variation.dimensions );
} else {
$dimensions.text( $dimensions.attr( 'data-o_dimensions' ) );
}
$single_variation_wrap.find( '.quantity' ).show();
if ( ! variation.is_purchasable || ! variation.is_in_stock || ! variation.variation_is_visible ) {
$form.find( '.variations_button' ).hide();
}
if ( ! variation.variation_is_visible ) {
$form.find( '.single_variation' ).html( '<p>' + wc_add_to_cart_variation_params.i18n_unavailable_text + '</p>' );
}
if ( variation.min_qty !== '' ) {
$single_variation_wrap.find( '.quantity input.qty' ).attr( 'min', variation.min_qty ).val( variation.min_qty );
} else {
$single_variation_wrap.find( '.quantity input.qty' ).removeAttr( 'min' );
}
if ( variation.max_qty !== '' ) {
$single_variation_wrap.find( '.quantity input.qty' ).attr( 'max', variation.max_qty );
} else {
$single_variation_wrap.find( '.quantity input.qty' ).removeAttr( 'max' );
}
if ( variation.is_sold_individually === 'yes' ) {
$single_variation_wrap.find( '.quantity input.qty' ).val( '1' );
$single_variation_wrap.find( '.quantity' ).hide();
}
// display variation description
$form.find( '.woocommerce-variation-description' ).remove();
if ( variation.variation_description ) {
$form.find( '.single_variation_wrap' ).prepend( '<div class="woocommerce-variation-description">' + variation.variation_description + '</div>' );
}
$single_variation_wrap.slideDown( 200 ).trigger( 'show_variation', [ variation ] );
})
// Check variations
.on( 'check_variations', function( event, exclude, focus ) {
if ( $use_ajax ) {
return;
}
var all_attributes_chosen = true,
some_attributes_chosen = false,
current_settings = {},
$form = $( this ),
$reset_variations = $form.find( '.reset_variations' );
$form.find( '.variations select' ).each( function() {
var attribute_name = $( this ).data( 'attribute_name' ) || $( this ).attr( 'name' );
if ( $( this ).val().length === 0 ) {
all_attributes_chosen = false;
} else {
some_attributes_chosen = true;
}
if ( exclude && attribute_name === exclude ) {
all_attributes_chosen = false;
current_settings[ attribute_name ] = '';
} else {
// Add to settings array
current_settings[ attribute_name ] = $( this ).val();
}
});
var matching_variations = wc_variation_form_matcher.find_matching_variations( $product_variations, current_settings );
if ( all_attributes_chosen ) {
var variation = matching_variations.shift();
if ( variation ) {
$form.find( 'input[name="variation_id"], input.variation_id' )
.val( variation.variation_id )
.change();
$form.trigger( 'found_variation', [ variation ] );
} else {
// Nothing found - reset fields
$form.find( '.variations select' ).val( '' );
if ( ! focus ) {
$form.trigger( 'reset_data' );
}
window.alert( wc_add_to_cart_variation_params.i18n_no_matching_variations_text );
}
} else {
$form.trigger( 'update_variation_values', [ matching_variations ] );
if ( ! focus ) {
$form.trigger( 'reset_data' );
}
if ( ! exclude ) {
$form.find( '.single_variation_wrap' ).slideUp( 200 ).trigger( 'hide_variation' );
}
}
if ( some_attributes_chosen ) {
if ( $reset_variations.css( 'visibility' ) === 'hidden' ) {
$reset_variations.css( 'visibility', 'visible' ).hide().fadeIn();
}
} else {
$reset_variations.css( 'visibility', 'hidden' );
}
} )
// Disable option fields that are unavaiable for current set of attributes
.on( 'update_variation_values', function( event, variations ) {
if ( $use_ajax ) {
return;
}
// Loop through selects and disable/enable options based on selections
$form.find( '.variations select' ).each( function( index, el ) {
var current_attr_name, current_attr_select = $( el );
// Reset options
if ( ! current_attr_select.data( 'attribute_options' ) ) {
current_attr_select.data( 'attribute_options', current_attr_select.find( 'option:gt(0)' ).get() );
}
current_attr_select.find( 'option:gt(0)' ).remove();
current_attr_select.append( current_attr_select.data( 'attribute_options' ) );
current_attr_select.find( 'option:gt(0)' ).removeClass( 'attached' );
current_attr_select.find( 'option:gt(0)' ).removeClass( 'enabled' );
current_attr_select.find( 'option:gt(0)' ).removeAttr( 'disabled' );
// Get name from data-attribute_name, or from input name if it doesn't exist
if ( typeof( current_attr_select.data( 'attribute_name' ) ) !== 'undefined' ) {
current_attr_name = current_attr_select.data( 'attribute_name' );
} else {
current_attr_name = current_attr_select.attr( 'name' );
}
// Loop through variations
for ( var num in variations ) {
if ( typeof( variations[ num ] ) !== 'undefined' ) {
var attributes = variations[ num ].attributes;
for ( var attr_name in attributes ) {
if ( attributes.hasOwnProperty( attr_name ) ) {
var attr_val = attributes[ attr_name ];
if ( attr_name === current_attr_name ) {
var variation_active = '';
if ( variations[ num ].variation_is_active ) {
variation_active = 'enabled';
}
if ( attr_val ) {
// Decode entities
attr_val = $( '<div/>' ).html( attr_val ).text();
// Add slashes
attr_val = attr_val.replace( /'/g, '\\\'' );
attr_val = attr_val.replace( /"/g, '\\\"' );
// Compare the meerkat
current_attr_select.find( 'option[value="' + attr_val + '"]' ).addClass( 'attached ' + variation_active );
} else {
current_attr_select.find( 'option:gt(0)' ).addClass( 'attached ' + variation_active );
}
}
}
}
}
}
// Detach unattached
current_attr_select.find( 'option:gt(0):not(.attached)' ).remove();
// Grey out disabled
current_attr_select.find( 'option:gt(0):not(.enabled)' ).attr( 'disabled', 'disabled' );
});
// Custom event for when variations have been updated
$form.trigger( 'woocommerce_update_variation_values' );
});
$form.trigger( 'wc_variation_form' );
return $form;
};
/**
* Matches inline variation objects to chosen attributes
* @type {Object}
*/
var wc_variation_form_matcher = {
find_matching_variations: function( product_variations, settings ) {
var matching = [];
for ( var i = 0; i < product_variations.length; i++ ) {
var variation = product_variations[i];
if ( wc_variation_form_matcher.variations_match( variation.attributes, settings ) ) {
matching.push( variation );
}
}
return matching;
},
variations_match: function( attrs1, attrs2 ) {
var match = true;
for ( var attr_name in attrs1 ) {
if ( attrs1.hasOwnProperty( attr_name ) ) {
var val1 = attrs1[ attr_name ];
var val2 = attrs2[ attr_name ];
if ( val1 !== undefined && val2 !== undefined && val1.length !== 0 && val2.length !== 0 && val1 !== val2 ) {
match = false;
}
}
}
return match;
}
};
$( function() {
if ( typeof wc_add_to_cart_variation_params !== 'undefined' ) {
$( '.variations_form' ).each( function() {
$( this ).wc_variation_form().find('.variations select:eq(0)').change();
});
}
});
})( jQuery, window, document );