705 lines
18 KiB
JavaScript
705 lines
18 KiB
JavaScript
/* jshint forin:true, noarg:true, noempty:true, eqeqeq:true, boss:true, undef:true, curly:true, browser:true, jquery:true */
|
|
/*
|
|
* jQuery MultiSelect UI Widget 1.13
|
|
* Copyright (c) 2012 Eric Hynds
|
|
*
|
|
* http://www.erichynds.com/jquery/jquery-ui-multiselect-widget/
|
|
*
|
|
* Depends:
|
|
* - jQuery 1.4.2+
|
|
* - jQuery UI 1.8 widget factory
|
|
*
|
|
* Optional:
|
|
* - jQuery UI effects
|
|
* - jQuery UI position utility
|
|
*
|
|
* Dual licensed under the MIT and GPL licenses:
|
|
* http://www.opensource.org/licenses/mit-license.php
|
|
* http://www.gnu.org/licenses/gpl.html
|
|
*
|
|
*/
|
|
(function($, undefined){
|
|
|
|
var multiselectID = 0;
|
|
|
|
$.widget("ech.multiselect", {
|
|
|
|
// default options
|
|
options: {
|
|
header: true,
|
|
height: 175,
|
|
minWidth: 225,
|
|
classes: '',
|
|
checkAllText: 'Check all',
|
|
uncheckAllText: 'Uncheck all',
|
|
noneSelectedText: 'Select options',
|
|
selectedText: '# selected',
|
|
selectedList: 0,
|
|
show: null,
|
|
hide: null,
|
|
autoOpen: false,
|
|
multiple: true,
|
|
position: {}
|
|
},
|
|
|
|
_create: function(){
|
|
var el = this.element.hide(),
|
|
o = this.options;
|
|
|
|
this.speed = $.fx.speeds._default; // default speed for effects
|
|
this._isOpen = false; // assume no
|
|
|
|
var
|
|
button = (this.button = $('<button type="button"><span class="ui-icon ui-icon-triangle-2-n-s"></span></button>'))
|
|
.addClass('ui-multiselect ui-widget ui-state-default ui-corner-all')
|
|
.addClass( o.classes )
|
|
.attr({ 'title':el.attr('title'), 'aria-haspopup':true, 'tabIndex':el.attr('tabIndex') })
|
|
.insertAfter( el ),
|
|
|
|
buttonlabel = (this.buttonlabel = $('<span />'))
|
|
.html( o.noneSelectedText )
|
|
.appendTo( button ),
|
|
|
|
menu = (this.menu = $('<div />'))
|
|
.addClass('ui-multiselect-menu ui-widget ui-widget-content ui-corner-all')
|
|
.addClass( o.classes )
|
|
.appendTo( document.body ),
|
|
|
|
header = (this.header = $('<div />'))
|
|
.addClass('ui-widget-header ui-corner-all ui-multiselect-header ui-helper-clearfix')
|
|
.appendTo( menu ),
|
|
|
|
headerLinkContainer = (this.headerLinkContainer = $('<ul />'))
|
|
.addClass('ui-helper-reset')
|
|
.html(function(){
|
|
if( o.header === true ){
|
|
return '<li><a class="ui-multiselect-all" href="#"><span class="ui-icon ui-icon-check"></span><span>' + o.checkAllText + '</span></a></li><li><a class="ui-multiselect-none" href="#"><span class="ui-icon ui-icon-closethick"></span><span>' + o.uncheckAllText + '</span></a></li>';
|
|
} else if(typeof o.header === "string"){
|
|
return '<li>' + o.header + '</li>';
|
|
} else {
|
|
return '';
|
|
}
|
|
})
|
|
.append('<li class="ui-multiselect-close"><a href="#" class="ui-multiselect-close"><span class="ui-icon ui-icon-circle-close"></span></a></li>')
|
|
.appendTo( header ),
|
|
|
|
checkboxContainer = (this.checkboxContainer = $('<ul />'))
|
|
.addClass('ui-multiselect-checkboxes ui-helper-reset')
|
|
.appendTo( menu );
|
|
|
|
// perform event bindings
|
|
this._bindEvents();
|
|
|
|
// build menu
|
|
this.refresh( true );
|
|
|
|
// some addl. logic for single selects
|
|
if( !o.multiple ){
|
|
menu.addClass('ui-multiselect-single');
|
|
}
|
|
},
|
|
|
|
_init: function(){
|
|
if( this.options.header === false ){
|
|
this.header.hide();
|
|
}
|
|
if( !this.options.multiple ){
|
|
this.headerLinkContainer.find('.ui-multiselect-all, .ui-multiselect-none').hide();
|
|
}
|
|
if( this.options.autoOpen ){
|
|
this.open();
|
|
}
|
|
if( this.element.is(':disabled') ){
|
|
this.disable();
|
|
}
|
|
},
|
|
|
|
refresh: function( init ){
|
|
var el = this.element,
|
|
o = this.options,
|
|
menu = this.menu,
|
|
checkboxContainer = this.checkboxContainer,
|
|
optgroups = [],
|
|
html = "",
|
|
id = el.attr('id') || multiselectID++; // unique ID for the label & option tags
|
|
|
|
// build items
|
|
el.find('option').each(function( i ){
|
|
var $this = $(this),
|
|
parent = this.parentNode,
|
|
title = this.innerHTML,
|
|
description = this.title,
|
|
value = this.value,
|
|
inputID = 'ui-multiselect-' + (this.id || id + '-option-' + i),
|
|
isDisabled = this.disabled,
|
|
isSelected = this.selected,
|
|
labelClasses = [ 'ui-corner-all' ],
|
|
liClasses = (isDisabled ? 'ui-multiselect-disabled ' : ' ') + this.className,
|
|
optLabel;
|
|
|
|
// is this an optgroup?
|
|
if( parent.tagName === 'OPTGROUP' ){
|
|
optLabel = parent.getAttribute( 'label' );
|
|
|
|
// has this optgroup been added already?
|
|
if( $.inArray(optLabel, optgroups) === -1 ){
|
|
html += '<li class="ui-multiselect-optgroup-label ' + parent.className + '"><a href="#">' + optLabel + '</a></li>';
|
|
optgroups.push( optLabel );
|
|
}
|
|
}
|
|
|
|
if( isDisabled ){
|
|
labelClasses.push( 'ui-state-disabled' );
|
|
}
|
|
|
|
// browsers automatically select the first option
|
|
// by default with single selects
|
|
if( isSelected && !o.multiple ){
|
|
labelClasses.push( 'ui-state-active' );
|
|
}
|
|
|
|
html += '<li class="' + liClasses + '">';
|
|
|
|
// create the label
|
|
html += '<label for="' + inputID + '" title="' + description + '" class="' + labelClasses.join(' ') + '">';
|
|
html += '<input id="' + inputID + '" name="multiselect_' + id + '" type="' + (o.multiple ? "checkbox" : "radio") + '" value="' + value + '" title="' + title + '"';
|
|
|
|
// pre-selected?
|
|
if( isSelected ){
|
|
html += ' checked="checked"';
|
|
html += ' aria-selected="true"';
|
|
}
|
|
|
|
// disabled?
|
|
if( isDisabled ){
|
|
html += ' disabled="disabled"';
|
|
html += ' aria-disabled="true"';
|
|
}
|
|
|
|
// add the title and close everything off
|
|
html += ' /><span>' + title + '</span></label></li>';
|
|
});
|
|
|
|
// insert into the DOM
|
|
checkboxContainer.html( html );
|
|
|
|
// cache some moar useful elements
|
|
this.labels = menu.find('label');
|
|
this.inputs = this.labels.children('input');
|
|
|
|
// set widths
|
|
this._setButtonWidth();
|
|
this._setMenuWidth();
|
|
|
|
// remember default value
|
|
this.button[0].defaultValue = this.update();
|
|
|
|
// broadcast refresh event; useful for widgets
|
|
if( !init ){
|
|
this._trigger('refresh');
|
|
}
|
|
},
|
|
|
|
// updates the button text. call refresh() to rebuild
|
|
update: function(){
|
|
var o = this.options,
|
|
$inputs = this.inputs,
|
|
$checked = $inputs.filter(':checked'),
|
|
numChecked = $checked.length,
|
|
value;
|
|
|
|
if( numChecked === 0 ){
|
|
value = o.noneSelectedText;
|
|
} else {
|
|
if($.isFunction( o.selectedText )){
|
|
value = o.selectedText.call(this, numChecked, $inputs.length, $checked.get());
|
|
} else if( /\d/.test(o.selectedList) && o.selectedList > 0 && numChecked <= o.selectedList){
|
|
value = $checked.map(function(){ return $(this).next().html(); }).get().join(', ');
|
|
} else {
|
|
value = o.selectedText.replace('#', numChecked).replace('#', $inputs.length);
|
|
}
|
|
}
|
|
|
|
this.buttonlabel.html( value );
|
|
return value;
|
|
},
|
|
|
|
// binds events
|
|
_bindEvents: function(){
|
|
var self = this, button = this.button;
|
|
|
|
function clickHandler(){
|
|
self[ self._isOpen ? 'close' : 'open' ]();
|
|
return false;
|
|
}
|
|
|
|
// webkit doesn't like it when you click on the span :(
|
|
button
|
|
.find('span')
|
|
.bind('click.multiselect', clickHandler);
|
|
|
|
// button events
|
|
button.bind({
|
|
click: clickHandler,
|
|
keypress: function( e ){
|
|
switch(e.which){
|
|
case 27: // esc
|
|
case 38: // up
|
|
case 37: // left
|
|
self.close();
|
|
break;
|
|
case 39: // right
|
|
case 40: // down
|
|
self.open();
|
|
break;
|
|
}
|
|
},
|
|
mouseenter: function(){
|
|
if( !button.hasClass('ui-state-disabled') ){
|
|
$(this).addClass('ui-state-hover');
|
|
}
|
|
},
|
|
mouseleave: function(){
|
|
$(this).removeClass('ui-state-hover');
|
|
},
|
|
focus: function(){
|
|
if( !button.hasClass('ui-state-disabled') ){
|
|
$(this).addClass('ui-state-focus');
|
|
}
|
|
},
|
|
blur: function(){
|
|
$(this).removeClass('ui-state-focus');
|
|
}
|
|
});
|
|
|
|
// header links
|
|
this.header
|
|
.delegate('a', 'click.multiselect', function( e ){
|
|
// close link
|
|
if( $(this).hasClass('ui-multiselect-close') ){
|
|
self.close();
|
|
|
|
// check all / uncheck all
|
|
} else {
|
|
self[ $(this).hasClass('ui-multiselect-all') ? 'checkAll' : 'uncheckAll' ]();
|
|
}
|
|
|
|
e.preventDefault();
|
|
});
|
|
|
|
// optgroup label toggle support
|
|
this.menu
|
|
.delegate('li.ui-multiselect-optgroup-label a', 'click.multiselect', function( e ){
|
|
e.preventDefault();
|
|
|
|
var $this = $(this),
|
|
$inputs = $this.parent().nextUntil('li.ui-multiselect-optgroup-label').find('input:visible:not(:disabled)'),
|
|
nodes = $inputs.get(),
|
|
label = $this.parent().text();
|
|
|
|
// trigger event and bail if the return is false
|
|
if( self._trigger('beforeoptgrouptoggle', e, { inputs:nodes, label:label }) === false ){
|
|
return;
|
|
}
|
|
|
|
// toggle inputs
|
|
self._toggleChecked(
|
|
$inputs.filter(':checked').length !== $inputs.length,
|
|
$inputs
|
|
);
|
|
|
|
self._trigger('optgrouptoggle', e, {
|
|
inputs: nodes,
|
|
label: label,
|
|
checked: nodes[0].checked
|
|
});
|
|
})
|
|
.delegate('label', 'mouseenter.multiselect', function(){
|
|
if( !$(this).hasClass('ui-state-disabled') ){
|
|
self.labels.removeClass('ui-state-hover');
|
|
$(this).addClass('ui-state-hover').find('input').focus();
|
|
}
|
|
})
|
|
.delegate('label', 'keydown.multiselect', function( e ){
|
|
e.preventDefault();
|
|
|
|
switch(e.which){
|
|
case 9: // tab
|
|
case 27: // esc
|
|
self.close();
|
|
break;
|
|
case 38: // up
|
|
case 40: // down
|
|
case 37: // left
|
|
case 39: // right
|
|
self._traverse(e.which, this);
|
|
break;
|
|
case 13: // enter
|
|
$(this).find('input')[0].click();
|
|
break;
|
|
}
|
|
})
|
|
.delegate('input[type="checkbox"], input[type="radio"]', 'click.multiselect', function( e ){
|
|
var $this = $(this),
|
|
val = this.value,
|
|
checked = this.checked,
|
|
tags = self.element.find('option');
|
|
|
|
// bail if this input is disabled or the event is cancelled
|
|
if( this.disabled || self._trigger('click', e, { value: val, text: this.title, checked: checked }) === false ){
|
|
e.preventDefault();
|
|
return;
|
|
}
|
|
|
|
// make sure the input has focus. otherwise, the esc key
|
|
// won't close the menu after clicking an item.
|
|
$this.focus();
|
|
|
|
// toggle aria state
|
|
$this.attr('aria-selected', checked);
|
|
|
|
// change state on the original option tags
|
|
tags.each(function(){
|
|
if( this.value === val ){
|
|
this.selected = checked;
|
|
} else if( !self.options.multiple ){
|
|
this.selected = false;
|
|
}
|
|
});
|
|
|
|
// some additional single select-specific logic
|
|
if( !self.options.multiple ){
|
|
self.labels.removeClass('ui-state-active');
|
|
$this.closest('label').toggleClass('ui-state-active', checked );
|
|
|
|
// close menu
|
|
self.close();
|
|
}
|
|
|
|
// fire change on the select box
|
|
self.element.trigger("change");
|
|
|
|
// setTimeout is to fix multiselect issue #14 and #47. caused by jQuery issue #3827
|
|
// http://bugs.jquery.com/ticket/3827
|
|
setTimeout($.proxy(self.update, self), 10);
|
|
});
|
|
|
|
// close each widget when clicking on any other element/anywhere else on the page
|
|
$(document).bind('mousedown.multiselect', function( e ){
|
|
if(self._isOpen && !$.contains(self.menu[0], e.target) && !$.contains(self.button[0], e.target) && e.target !== self.button[0]){
|
|
self.close();
|
|
}
|
|
});
|
|
|
|
// deal with form resets. the problem here is that buttons aren't
|
|
// restored to their defaultValue prop on form reset, and the reset
|
|
// handler fires before the form is actually reset. delaying it a bit
|
|
// gives the form inputs time to clear.
|
|
$(this.element[0].form).bind('reset.multiselect', function(){
|
|
setTimeout($.proxy(self.refresh, self), 10);
|
|
});
|
|
},
|
|
|
|
// set button width
|
|
_setButtonWidth: function(){
|
|
var width = this.element.outerWidth(),
|
|
o = this.options;
|
|
|
|
if( /\d/.test(o.minWidth) && width < o.minWidth){
|
|
width = o.minWidth;
|
|
}
|
|
|
|
// set widths
|
|
this.button.width( width );
|
|
},
|
|
|
|
// set menu width
|
|
_setMenuWidth: function(){
|
|
var m = this.menu,
|
|
width = this.button.outerWidth()-
|
|
parseInt(m.css('padding-left'),10)-
|
|
parseInt(m.css('padding-right'),10)-
|
|
parseInt(m.css('border-right-width'),10)-
|
|
parseInt(m.css('border-left-width'),10);
|
|
|
|
m.width( width || this.button.outerWidth() );
|
|
},
|
|
|
|
// move up or down within the menu
|
|
_traverse: function( which, start ){
|
|
var $start = $(start),
|
|
moveToLast = which === 38 || which === 37,
|
|
|
|
// select the first li that isn't an optgroup label / disabled
|
|
$next = $start.parent()[moveToLast ? 'prevAll' : 'nextAll']('li:not(.ui-multiselect-disabled, .ui-multiselect-optgroup-label)')[ moveToLast ? 'last' : 'first']();
|
|
|
|
// if at the first/last element
|
|
if( !$next.length ){
|
|
var $container = this.menu.find('ul').last();
|
|
|
|
// move to the first/last
|
|
this.menu.find('label')[ moveToLast ? 'last' : 'first' ]().trigger('mouseover');
|
|
|
|
// set scroll position
|
|
$container.scrollTop( moveToLast ? $container.height() : 0 );
|
|
|
|
} else {
|
|
$next.find('label').trigger('mouseover');
|
|
}
|
|
},
|
|
|
|
// This is an internal function to toggle the checked property and
|
|
// other related attributes of a checkbox.
|
|
//
|
|
// The context of this function should be a checkbox; do not proxy it.
|
|
_toggleState: function( prop, flag ){
|
|
return function(){
|
|
if( !this.disabled ) {
|
|
this[ prop ] = flag;
|
|
}
|
|
|
|
if( flag ){
|
|
this.setAttribute('aria-selected', true);
|
|
} else {
|
|
this.removeAttribute('aria-selected');
|
|
}
|
|
};
|
|
},
|
|
|
|
_toggleChecked: function( flag, group ){
|
|
var $inputs = (group && group.length) ? group : this.inputs,
|
|
self = this;
|
|
|
|
// toggle state on inputs
|
|
$inputs.each(this._toggleState('checked', flag));
|
|
|
|
// give the first input focus
|
|
$inputs.eq(0).focus();
|
|
|
|
// update button text
|
|
this.update();
|
|
|
|
// gather an array of the values that actually changed
|
|
var values = $inputs.map(function(){
|
|
return this.value;
|
|
}).get();
|
|
|
|
// toggle state on original option tags
|
|
this.element
|
|
.find('option')
|
|
.each(function(){
|
|
if( !this.disabled && $.inArray(this.value, values) > -1 ){
|
|
self._toggleState('selected', flag).call( this );
|
|
}
|
|
});
|
|
|
|
// trigger the change event on the select
|
|
if( $inputs.length ) {
|
|
this.element.trigger("change");
|
|
}
|
|
},
|
|
|
|
_toggleDisabled: function( flag ){
|
|
this.button
|
|
.attr({ 'disabled':flag, 'aria-disabled':flag })[ flag ? 'addClass' : 'removeClass' ]('ui-state-disabled');
|
|
|
|
var inputs = this.menu.find('input');
|
|
var key = "ech-multiselect-disabled";
|
|
|
|
if(flag) {
|
|
// remember which elements this widget disabled (not pre-disabled)
|
|
// elements, so that they can be restored if the widget is re-enabled.
|
|
inputs = inputs.filter(':enabled')
|
|
.data(key, true)
|
|
} else {
|
|
inputs = inputs.filter(function() {
|
|
return $.data(this, key) === true;
|
|
}).removeData(key);
|
|
}
|
|
|
|
inputs
|
|
.attr({ 'disabled':flag, 'arial-disabled':flag })
|
|
.parent()[ flag ? 'addClass' : 'removeClass' ]('ui-state-disabled');
|
|
|
|
this.element
|
|
.attr({ 'disabled':flag, 'aria-disabled':flag });
|
|
},
|
|
|
|
// open the menu
|
|
open: function( e ){
|
|
var self = this,
|
|
button = this.button,
|
|
menu = this.menu,
|
|
speed = this.speed,
|
|
o = this.options,
|
|
args = [];
|
|
|
|
// bail if the multiselectopen event returns false, this widget is disabled, or is already open
|
|
if( this._trigger('beforeopen') === false || button.hasClass('ui-state-disabled') || this._isOpen ){
|
|
return;
|
|
}
|
|
|
|
var $container = menu.find('ul').last(),
|
|
effect = o.show,
|
|
pos = button.offset();
|
|
|
|
// figure out opening effects/speeds
|
|
if( $.isArray(o.show) ){
|
|
effect = o.show[0];
|
|
speed = o.show[1] || self.speed;
|
|
}
|
|
|
|
// if there's an effect, assume jQuery UI is in use
|
|
// build the arguments to pass to show()
|
|
if( effect ) {
|
|
args = [ effect, speed ];
|
|
}
|
|
|
|
// set the scroll of the checkbox container
|
|
$container.scrollTop(0).height(o.height);
|
|
|
|
// position and show menu
|
|
if( $.ui.position && !$.isEmptyObject(o.position) ){
|
|
o.position.of = o.position.of || button;
|
|
|
|
menu
|
|
.show()
|
|
.position( o.position )
|
|
.hide();
|
|
|
|
// if position utility is not available...
|
|
} else {
|
|
menu.css({
|
|
top: pos.top + button.outerHeight(),
|
|
left: pos.left
|
|
});
|
|
}
|
|
|
|
// show the menu, maybe with a speed/effect combo
|
|
$.fn.show.apply(menu, args);
|
|
|
|
// select the first option
|
|
// triggering both mouseover and mouseover because 1.4.2+ has a bug where triggering mouseover
|
|
// will actually trigger mouseenter. the mouseenter trigger is there for when it's eventually fixed
|
|
this.labels.eq(0).trigger('mouseover').trigger('mouseenter').find('input').trigger('focus');
|
|
|
|
button.addClass('ui-state-active');
|
|
this._isOpen = true;
|
|
this._trigger('open');
|
|
},
|
|
|
|
// close the menu
|
|
close: function(){
|
|
if(this._trigger('beforeclose') === false){
|
|
return;
|
|
}
|
|
|
|
var o = this.options,
|
|
effect = o.hide,
|
|
speed = this.speed,
|
|
args = [];
|
|
|
|
// figure out opening effects/speeds
|
|
if( $.isArray(o.hide) ){
|
|
effect = o.hide[0];
|
|
speed = o.hide[1] || this.speed;
|
|
}
|
|
|
|
if( effect ) {
|
|
args = [ effect, speed ];
|
|
}
|
|
|
|
$.fn.hide.apply(this.menu, args);
|
|
this.button.removeClass('ui-state-active').trigger('blur').trigger('mouseleave');
|
|
this._isOpen = false;
|
|
this._trigger('close');
|
|
},
|
|
|
|
enable: function(){
|
|
this._toggleDisabled(false);
|
|
},
|
|
|
|
disable: function(){
|
|
this._toggleDisabled(true);
|
|
},
|
|
|
|
checkAll: function( e ){
|
|
this._toggleChecked(true);
|
|
this._trigger('checkAll');
|
|
},
|
|
|
|
uncheckAll: function(){
|
|
this._toggleChecked(false);
|
|
this._trigger('uncheckAll');
|
|
},
|
|
|
|
getChecked: function(){
|
|
return this.menu.find('input').filter(':checked');
|
|
},
|
|
|
|
destroy: function(){
|
|
// remove classes + data
|
|
$.Widget.prototype.destroy.call( this );
|
|
|
|
this.button.remove();
|
|
this.menu.remove();
|
|
this.element.show();
|
|
|
|
return this;
|
|
},
|
|
|
|
isOpen: function(){
|
|
return this._isOpen;
|
|
},
|
|
|
|
widget: function(){
|
|
return this.menu;
|
|
},
|
|
|
|
getButton: function(){
|
|
return this.button;
|
|
},
|
|
|
|
// react to option changes after initialization
|
|
_setOption: function( key, value ){
|
|
var menu = this.menu;
|
|
|
|
switch(key){
|
|
case 'header':
|
|
menu.find('div.ui-multiselect-header')[ value ? 'show' : 'hide' ]();
|
|
break;
|
|
case 'checkAllText':
|
|
menu.find('a.ui-multiselect-all span').eq(-1).text(value);
|
|
break;
|
|
case 'uncheckAllText':
|
|
menu.find('a.ui-multiselect-none span').eq(-1).text(value);
|
|
break;
|
|
case 'height':
|
|
menu.find('ul').last().height( parseInt(value,10) );
|
|
break;
|
|
case 'minWidth':
|
|
this.options[ key ] = parseInt(value,10);
|
|
this._setButtonWidth();
|
|
this._setMenuWidth();
|
|
break;
|
|
case 'selectedText':
|
|
case 'selectedList':
|
|
case 'noneSelectedText':
|
|
this.options[key] = value; // these all needs to update immediately for the update() call
|
|
this.update();
|
|
break;
|
|
case 'classes':
|
|
menu.add(this.button).removeClass(this.options.classes).addClass(value);
|
|
break;
|
|
case 'multiple':
|
|
menu.toggleClass('ui-multiselect-single', !value);
|
|
this.options.multiple = value;
|
|
this.element[0].multiple = value;
|
|
this.refresh();
|
|
}
|
|
|
|
$.Widget.prototype._setOption.apply( this, arguments );
|
|
}
|
|
});
|
|
|
|
})(jQuery);
|