mdbootstrap4-pro
Version:
MDBootstrap 4 PRO
440 lines (370 loc) • 15.6 kB
JavaScript
;
(function ($) {
$.fn.material_select = function (callback) {
$(this).each(function () {
var $select = $(this);
if ($select.hasClass('browser-default')) {
return; // Continue to next (return false breaks out of entire loop)
}
var multiple = Boolean($select.attr('multiple')),
lastID = $select.data('select-id'); // Tear down structure if Select needs to be rebuilt
if (lastID) {
$select.parent().find('span.caret').remove();
$select.parent().find('input').remove();
$select.unwrap();
$('ul#select-options-' + lastID).remove();
}
// If destroying the select, remove the selelct-id and reset it to it's uninitialized state.
if (callback === 'destroy') {
$select.data('select-id', null).removeClass('initialized');
return;
}
var uniqueID = guid(); // Materialize.guid();
$select.data('select-id', uniqueID);
var wrapper = $('<div class="select-wrapper"></div>');
wrapper.addClass($select.attr('class'));
var options = $('<ul id="select-options-' + uniqueID + '" class="dropdown-content select-dropdown ' + (multiple ? 'multiple-select-dropdown' : '') + '"></ul>'),
selectChildren = $select.children('option, optgroup'),
valuesSelected = [],
optionsHover = false;
var label = $select.find('option:selected').html() || $select.find('option:first').html() || '';
// Added to search
var applySeachInList = function applySeachInList() {
var ul = $(this).closest('ul');
var searchValue = $(this).val();
var options = ul.find('li').find('span.filtrable');
options.each(function () {
if (typeof this.outerHTML === 'string') {
var liValue = this.textContent.toLowerCase();
if (liValue.indexOf(searchValue.toLowerCase()) === -1) {
$(this).hide();
$(this).parent().hide();
} else {
$(this).show();
$(this).parent().show();
}
}
});
};
// Added to search
var setSearchableOption = function setSearchableOption() {
var placeholder = $select.attr('searchable');
var element = $('<span class="search-wrap"><div class="md-form"><input type="text" class="search form-control" placeholder="' + placeholder + '"></div></span>');
options.append(element);
element.find('.search').keyup(applySeachInList);
};
// Added to search
var searchable = Boolean($select.attr('searchable'));
// Added to search
if (searchable) {
setSearchableOption();
}
// Function that renders and appends the option taking into
// account type and possible image icon.
var appendOptionWithIcon = function appendOptionWithIcon(select, option, type) {
// Add disabled attr if disabled
var disabledClass = option.is(':disabled') ? 'disabled ' : '';
var optgroupClass = type === 'optgroup-option' ? 'optgroup-option ' : '';
// add icons
var icon_url = option.data('icon');
var classes = option.attr('class');
if (icon_url) {
var classString = '';
if (classes) {
classString = ' class="' + classes + '"';
}
// Check for multiple type.
if (type === 'multiple') {
options.append($('<li class="' + disabledClass + '"><img alt="" src="' + icon_url + '"' + classString + '><span class="filtrable"><input class="form-check-input" type="checkbox"' + disabledClass + '/><label></label>' + option.html() + '</span></li>'));
} else {
options.append($('<li class="' + disabledClass + optgroupClass + '"><img alt="" src="' + icon_url + '"' + classString + '><span class="filtrable">' + option.html() + '</span></li>'));
}
return true;
}
// Check for multiple type.
if (type === 'multiple') {
options.append($('<li class="' + disabledClass + '"><span class="filtrable"><input class="form-check-input" type="checkbox"' + disabledClass + '/><label></label>' + option.html() + '</span></li>'));
} else {
options.append($('<li class="' + disabledClass + optgroupClass + '"><span class="filtrable">' + option.html() + '</span></li>'));
}
};
/* Create dropdown structure. */
if (selectChildren.length) {
selectChildren.each(function () {
if ($(this).is('option')) {
// Direct descendant option.
if (multiple) {
appendOptionWithIcon($select, $(this), 'multiple');
} else {
appendOptionWithIcon($select, $(this));
}
} else if ($(this).is('optgroup')) {
// Optgroup.
var selectOptions = $(this).children('option');
options.append($('<li class="optgroup"><span>' + $(this).attr('label') + '</span></li>'));
selectOptions.each(function () {
appendOptionWithIcon($select, $(this), 'optgroup-option');
});
}
});
}
// Check for optgroups
var optgroup = false;
if ($select.find('optgroup').length) {
optgroup = true;
}
// Added to save
var saveSelect = $select.parent().find('button.btn-save');
var setSaveOption = function setSaveOption() {
options.append(saveSelect);
};
// Save click trigger
if (saveSelect.length) {
setSaveOption();
saveSelect.on('click', function () {
$('input.select-dropdown').trigger('close');
});
}
options.find('li:not(.optgroup)').each(function (i) {
$(this).click(function (e) {
// Check if option element is disabled
if (!$(this).hasClass('disabled') && !$(this).hasClass('optgroup')) {
var selected = true;
if (multiple) {
$('input[type="checkbox"]', this).prop('checked', function (i, v) {
return !v;
});
if (searchable) {
if (optgroup) {
selected = toggleEntryFromArray(valuesSelected, $(this).index() - $(this).prevAll('.optgroup').length - 1, $select);
} else {
selected = toggleEntryFromArray(valuesSelected, $(this).index() - 1, $select);
}
} else if (optgroup) {
selected = toggleEntryFromArray(valuesSelected, $(this).index() - $(this).prevAll('.optgroup').length, $select);
} else {
selected = toggleEntryFromArray(valuesSelected, $(this).index(), $select);
}
$newSelect.trigger('focus');
} else {
options.find('li').removeClass('active');
$(this).toggleClass('active');
$newSelect.val($(this).text());
}
activateOption(options, $(this));
$select.find('option').eq(i).prop('selected', selected);
// Trigger onchange() event
$select.trigger('change');
if (typeof callback !== 'undefined') {
callback();
}
}
e.stopPropagation();
});
});
// Wrap Elements
$select.wrap(wrapper);
// Add Select Display Element
var dropdownIcon = $('<span class="caret">▼</span>');
if ($select.is(':disabled')) {
dropdownIcon.addClass('disabled');
}
// escape double quotes
var sanitizedLabelHtml = label.replace(/"/g, '"');
var $newSelect = $('<input type="text" class="select-dropdown" readonly="true" ' + ($select.is(':disabled') ? 'disabled' : '') + ' data-activates="select-options-' + uniqueID + '" value="' + sanitizedLabelHtml + '"/>');
$select.before($newSelect);
$newSelect.before(dropdownIcon);
$newSelect.after(options);
// Check if section element is disabled
if (!$select.is(':disabled')) {
$newSelect.dropdown({
hover: false,
closeOnClick: false
});
}
// Copy tabindex
if ($select.attr('tabindex')) {
$($newSelect[0]).attr('tabindex', $select.attr('tabindex'));
}
$select.addClass('initialized');
$newSelect.on({
focus: function focus() {
if ($('ul.select-dropdown').not(options[0]).is(':visible')) {
$('input.select-dropdown').trigger('close');
}
if (!options.is(':visible')) {
$(this).trigger('open', ['focus']);
var _label = $(this).val();
var selectedOption = options.find('li').filter(function () {
return $(this).text().toLowerCase() === _label.toLowerCase();
})[0];
activateOption(options, selectedOption);
}
},
click: function click(e) {
e.stopPropagation();
}
});
// Changed to search to treat search
$newSelect.on('blur', function () {
if (!multiple && !searchable) {
$(this).trigger('close');
}
options.find('li.selected').removeClass('selected');
});
// Added to search
if (!multiple && searchable) {
options.find('li').on('click', function () {
$newSelect.trigger('close');
});
}
options.hover(function () {
optionsHover = true;
}, function () {
optionsHover = false;
});
// if select is wrapped in modal prevent hiding
options.on('mousedown', function (e) {
if ($('.modal-content').find(options).length) {
if (this.scrollHeight > this.offsetHeight) {
e.preventDefault();
}
}
});
// Changed to search to treat search
$(window).on({
click: function click() {
(multiple || searchable) && (optionsHover || $newSelect.trigger('close'));
}
});
// Add initial multiple selections.
if (multiple) {
$select.find('option:selected:not(:disabled)').each(function () {
var index = $(this).index();
toggleEntryFromArray(valuesSelected, index, $select);
options.find('li').eq(index).find(':checkbox').prop('checked', true);
});
}
// Make option as selected and scroll to selected position
var activateOption = function activateOption(collection, newOption) {
if (newOption) {
collection.find('li.selected').removeClass('selected');
var option = $(newOption);
option.addClass('selected');
// commented because it causes problems in multiselect with many options
// options.scrollTo(option)
}
};
// Allow user to search by typing
// this array is cleared after 1 second
var filterQuery = [],
onKeyDown = function onKeyDown(e) {
// TAB - switch to another input
if (e.which == 9) {
$newSelect.trigger('close');
return;
}
// ARROW DOWN WHEN SELECT IS CLOSED - open select options
if (e.which == 40 && !options.is(':visible')) {
$newSelect.trigger('open');
return;
}
// ENTER WHEN SELECT IS CLOSED - submit form
if (e.which == 13 && !options.is(':visible')) {
return;
}
e.preventDefault();
// CASE WHEN USER TYPE LETTERS
var letter = String.fromCharCode(e.which).toLowerCase(),
nonLetters = [9, 13, 27, 38, 40];
if (letter && nonLetters.indexOf(e.which) === -1) {
filterQuery.push(letter);
var string = filterQuery.join(''),
newOption = options.find('li').filter(function () {
return $(this).text().toLowerCase().indexOf(string) === 0;
})[0];
if (newOption) {
activateOption(options, newOption);
}
}
// ENTER - select option and close when select options are opened
if (e.which == 13) {
var activeOption = options.find('li.selected:not(.disabled)')[0];
if (activeOption) {
$(activeOption).trigger('click');
if (!multiple) {
$newSelect.trigger('close');
}
}
}
// ARROW DOWN - move to next not disabled option
if (e.which == 40) {
if (options.find('li.selected').length) {
newOption = options.find('li.selected').next('li:not(.disabled)')[0];
} else {
newOption = options.find('li:not(.disabled)')[0];
}
activateOption(options, newOption);
}
// ESC - close options
if (e.which == 27) {
$newSelect.trigger('close');
}
// ARROW UP - move to previous not disabled option
if (e.which == 38) {
newOption = options.find('li.selected').prev('li:not(.disabled)')[0];
if (newOption) {
activateOption(options, newOption);
}
}
// Automaticaly clean filter query so user can search again by starting letters
setTimeout(function () {
filterQuery = [];
}, 1000);
};
$newSelect.on('keydown', onKeyDown);
});
function toggleEntryFromArray(entriesArray, entryIndex, select) {
var index = entriesArray.indexOf(entryIndex),
notAdded = index === -1;
if (notAdded) {
entriesArray.push(entryIndex);
} else {
entriesArray.splice(index, 1);
}
select.siblings('ul.dropdown-content').find('li:not(.optgroup)').eq(entryIndex).toggleClass('active');
// use notAdded instead of true (to detect if the option is selected or not)
select.find('option').eq(entryIndex).prop('selected', notAdded);
setValueToInput(entriesArray, select);
return notAdded;
}
function setValueToInput(entriesArray, select) {
var value = '';
for (var i = 0, count = entriesArray.length; i < count; i++) {
var text = select.find('option').eq(entriesArray[i]).text();
i === 0 ? value += text : value += ', ' + text;
}
if (value === '') {
value = select.find('option:disabled').eq(0).text();
}
select.siblings('input.select-dropdown').val(value);
}
// };
function guid() {
var d = new Date().getTime();
var uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
var r = (d + Math.random() * 16) % 16 | 0;
d = Math.floor(d / 16);
return (c == 'x' ? r : r & 0x3 | 0x8).toString(16);
});
return uuid;
}
};
})(jQuery);
jQuery('select').siblings('input.select-dropdown').on('mousedown', function (e) {
if (/Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent)) {
if (e.clientX >= e.target.clientWidth || e.clientY >= e.target.clientHeight) {
e.preventDefault();
}
}
});