| Current Path : /home/helpink/www/components/com_jbusinessdirectory/assets/libraries/multi/ |
| Current File : /home/helpink/www/components/com_jbusinessdirectory/assets/libraries/multi/multi.js |
/**
* multi.js
* A user-friendly replacement for select boxes with multiple attribute enabled.
* Requires jQuery.
*
* Author: Fabian Lindfors
* License: MIT
*/
(function($) {
function refresh_select( $select, settings ) {
// Clear columns
$select.wrapper.selected.html('');
$select.wrapper.non_selected.html('');
// Get search value
if ( $select.wrapper.search ) {
var query = $select.wrapper.search.val();
}
var options = [];
// Find all select options
$select.find( 'option' ).each( function() {
var $option = $(this);
var value = $option.prop('value');
var label = $option.text();
var selected = $option.is(':selected');
options.push({
value: value,
label: label,
selected: selected,
element: $option
});
});
// Loop over select options and add to the non-selected and selected columns
options.forEach(function(option) {
var $row = $('<a tabindex="0" role="button" class="item"></a>').text(option.label).data('value', option.value);
// Create clone of row and add to the selected column
if ( option.selected ) {
$row.addClass('selected');
var $clone = $row.clone();
// Add click handler to mark row as non-selected
$clone.click(function() {
option.element.prop('selected', false);
$select.change();
});
// Add key handler to mark row as selected and make the control accessible
$clone.keypress(function() {
if (event.keyCode === 32 || event.keyCode === 13) {
// Prevent the default action to stop scrolling when space is pressed
event.preventDefault();
option.element.prop('selected', false);
$select.change();
}
});
$select.wrapper.selected.append($clone);
}
// Add click handler to mark row as selected
$row.click(function() {
option.element.prop('selected', 'selected');
$select.change();
});
// Add key handler to mark row as selected and make the control accessible
$row.keypress(function() {
if (event.keyCode === 32 || event.keyCode === 13) {
// Prevent the default action to stop scrolling when space is pressed
event.preventDefault();
option.element.prop('selected', 'selected');
$select.change();
}
});
// Apply search filtering
if ( query && query != '' && option.label.toLowerCase().indexOf( query.toLowerCase() ) === -1 ) {
return;
}
$select.wrapper.non_selected.append($row);
});
}
$.fn.multi = function( options ) {
var settings = $.extend({
'enable_search': true,
'search_placeholder_not_selected': 'Search...',
'search_placeholder_selected': 'Search for selected options...',
'non_selected_header': 'All options',
'selected_header': 'Selected options'
}, options);
return this.each( function() {
var $select = $(this);
// Check if already initialized
if ( $select.data('multijs') ) {
return;
}
// Make sure multiple is enabled
if ( ! $select.prop('multiple') ) {
return;
}
// Hide select
$select.css('display','none');
$select.data('multijs', true);
// Start constructing selector
var $wrapper = $('<div class="multi-wrapper">');
// Add search bar
if ( settings.enable_search ) {
//first search
var $searchWrapper = $('<div class="search-wrapper has-jicon-left pb-1"></div>');
var $laIcon = $('<i class="la la-search"></i>');
var $search = $('<input class="search-input form-control" type="text" />').prop('placeholder', settings.search_placeholder_not_selected);
$search.on('input change keyup',function() {
refresh_select( $select, settings);
});
$searchWrapper.append($search);
$searchWrapper.append($laIcon);
$wrapper.append( $searchWrapper );
$wrapper.search = $search;
}
// Add columns for selected and non-selected
var $non_selected = $('<div class="non-selected-wrapper">');
var $selected = $('<div class="selected-wrapper">');
$wrapper.append( $non_selected );
$wrapper.append( $selected );
$wrapper.non_selected = $non_selected;
$wrapper.selected = $selected;
$select.wrapper = $wrapper;
// Add multi.js wrapper after select element
$select.after( $wrapper );
// Initialize selector with values from select element
refresh_select( $select, settings );
// Refresh selector when select values change
$select.change(function() {
refresh_select( $select, settings );
});
});
}
})(jQuery);