/
forms.selectonemenu.js
1047 lines (872 loc) · 32.9 KB
/
forms.selectonemenu.js
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/**
* PrimeFaces SelectOneMenu Widget
*/
PrimeFaces.widget.SelectOneMenu = PrimeFaces.widget.DeferredWidget.extend({
init: function(cfg) {
this._super(cfg);
this.panelId = this.jqId + '_panel';
this.input = $(this.jqId + '_input');
this.focusInput = $(this.jqId + '_focus');
this.label = this.jq.find('.ui-selectonemenu-label');
this.menuIcon = this.jq.children('.ui-selectonemenu-trigger');
this.panel = $(this.panelId);
this.disabled = this.jq.hasClass('ui-state-disabled');
this.itemsWrapper = this.panel.children('.ui-selectonemenu-items-wrapper');
this.options = this.input.children('option');
this.cfg.effect = this.cfg.effect||'fade';
this.cfg.effectSpeed = this.cfg.effectSpeed||'normal';
this.cfg.autoWidth = this.cfg.autoWidth === false ? false : true;
this.cfg.dynamic = this.cfg.dynamic === true ? true : false;
this.cfg.appendTo = this.getAppendTo();
this.isDynamicLoaded = false;
if(this.cfg.dynamic) {
var selectedOption = this.options.filter(':selected'),
labelVal = this.cfg.editable ? this.label.val() : selectedOption.text();
this.setLabel(labelVal);
}
else {
this.initContents();
this.bindItemEvents();
}
//triggers
this.triggers = this.cfg.editable ? this.jq.find('.ui-selectonemenu-trigger') : this.jq.find('.ui-selectonemenu-trigger, .ui-selectonemenu-label');
//mark trigger and descandants of trigger as a trigger for a primefaces overlay
this.triggers.data('primefaces-overlay-target', true).find('*').data('primefaces-overlay-target', true);
if(!this.disabled) {
this.bindEvents();
this.bindConstantEvents();
PrimeFaces.utils.registerDynamicOverlay(this, this.panel, this.id + '_panel');
}
// see #7602
if (PrimeFaces.env.touch) {
this.focusInput.attr('readonly', true);
}
this.renderDeferred();
},
initContents: function() {
this.itemsContainer = this.itemsWrapper.children('.ui-selectonemenu-items');
this.items = this.itemsContainer.find('.ui-selectonemenu-item');
this.optGroupsSize = this.itemsContainer.children('li.ui-selectonemenu-item-group').length;
var $this = this,
selectedOption = this.options.filter(':selected'),
highlightedItem = this.items.eq(selectedOption.index());
//disable options
this.options.filter(':disabled').each(function() {
$this.items.eq($(this).index()).addClass('ui-state-disabled');
});
//activate selected
if(this.cfg.editable) {
var customInputVal = this.label.val();
//predefined input
if(customInputVal === selectedOption.text()) {
this.highlightItem(highlightedItem);
}
//custom input
else {
this.items.eq(0).addClass('ui-state-highlight');
this.customInput = true;
this.customInputVal = customInputVal;
}
}
else {
this.highlightItem(highlightedItem);
}
if(this.cfg.syncTooltip) {
this.syncTitle(selectedOption);
}
//pfs metadata
this.input.data(PrimeFaces.CLIENT_ID_DATA, this.id);
//for Screen Readers
for(var i = 0; i < this.items.length; i++) {
this.items.eq(i).attr('id', this.id + '_' + i);
}
var highlightedItemId = highlightedItem.attr('id');
this.jq.attr('aria-owns', this.itemsContainer.attr('id'));
this.focusInput.attr('aria-autocomplete', 'list')
.attr('aria-activedescendant', highlightedItemId)
.attr('aria-describedby', highlightedItemId)
.attr('aria-disabled', this.disabled);
this.itemsContainer.attr('aria-activedescendant', highlightedItemId);
},
_render: function() {
var contentStyle = this.jq.attr('style'),
hasWidth = contentStyle && contentStyle.indexOf('width') != -1;
if(this.cfg.autoWidth && !hasWidth) {
this.jq.css('min-width', this.input.outerWidth());
}
},
//@override
refresh: function(cfg) {
this.panelWidthAdjusted = false;
this._super(cfg);
},
alignPanelWidth: function() {
//align panel and container
if(!this.panelWidthAdjusted) {
var jqWidth = this.jq.outerWidth();
if(this.panel.outerWidth() < jqWidth) {
this.panel.width(jqWidth);
}
this.panelWidthAdjusted = true;
}
},
bindEvents: function() {
var $this = this;
// Screen Reader(JAWS) hack on Chrome
if(PrimeFaces.env.browser.webkit) {
this.input.on('focus', function(){
setTimeout(function(){
$this.focusInput.trigger('focus.ui-selectonemenu');
},2);
});
}
//Triggers
this.triggers.mouseenter(function() {
if(!$this.jq.hasClass('ui-state-focus')) {
$this.jq.addClass('ui-state-hover');
$this.menuIcon.addClass('ui-state-hover');
}
})
.mouseleave(function() {
$this.jq.removeClass('ui-state-hover');
$this.menuIcon.removeClass('ui-state-hover');
})
.click(function(e) {
if($this.panel.is(":hidden")) {
$this.show();
}
else {
$this.hide();
$this.revert();
$this.changeAriaValue($this.getActiveItem());
}
$this.jq.removeClass('ui-state-hover');
$this.menuIcon.removeClass('ui-state-hover');
$this.focusInput.trigger('focus.ui-selectonemenu');
e.preventDefault();
});
this.focusInput.on('focus.ui-selectonemenu', function() {
$this.jq.addClass('ui-state-focus');
$this.menuIcon.addClass('ui-state-focus');
})
.on('blur.ui-selectonemenu', function(){
$this.jq.removeClass('ui-state-focus');
$this.menuIcon.removeClass('ui-state-focus');
$this.callBehavior('blur');
});
//onchange handler for editable input
if(this.cfg.editable) {
this.label.change(function(e) {
$this.triggerChange(true);
$this.callHandleMethod($this.handleLabelChange, e);
});
}
//key bindings
this.bindKeyEvents();
//filter
if(this.cfg.filter) {
this.cfg.initialHeight = this.itemsWrapper.height();
this.setupFilterMatcher();
this.filterInput = this.panel.find('> div.ui-selectonemenu-filter-container > input.ui-selectonemenu-filter');
PrimeFaces.skinInput(this.filterInput);
this.bindFilterEvents();
}
},
bindItemEvents: function() {
var $this = this;
//Items
this.items.filter(':not(.ui-state-disabled)').on('mouseover.selectonemenu', function() {
var el = $(this);
if(!el.hasClass('ui-state-highlight'))
$(this).addClass('ui-state-hover');
})
.on('mouseout.selectonemenu', function() {
$(this).removeClass('ui-state-hover');
})
.on('click.selectonemenu', function() {
$this.revert();
$this.selectItem($(this));
$this.changeAriaValue($(this));
});
},
bindConstantEvents: function() {
var $this = this;
PrimeFaces.utils.registerHideOverlayHandler(this, 'mousedown.' + this.id + '_hide', $this.panel,
function() { return $this.label.add($this.menuIcon); },
function(e, eventTarget) {
if(!($this.panel.is(eventTarget) || $this.panel.has(eventTarget).length > 0)) {
$this.hide();
setTimeout(function() {
$this.revert();
$this.changeAriaValue($this.getActiveItem());
}, 2);
}
});
PrimeFaces.utils.registerResizeHandler(this, 'resize.' + this.id + '_align', $this.panel, function() {
$this.alignPanel();
});
},
unbindEvents: function() {
this.items.off();
this.triggers.off();
this.input.off();
this.focusInput.off();
this.label.off();
},
revert: function() {
if(this.cfg.editable && this.customInput) {
this.setLabel(this.customInputVal);
this.items.filter('.ui-state-active').removeClass('ui-state-active');
this.items.eq(0).addClass('ui-state-active');
}
else {
this.highlightItem(this.items.eq(this.preShowValue.index()));
}
},
highlightItem: function(item) {
this.items.filter('.ui-state-highlight').removeClass('ui-state-highlight');
if(item.length > 0) {
item.addClass('ui-state-highlight');
this.setLabel(item.data('label'));
}
},
triggerChange: function(edited) {
this.changed = false;
this.input.trigger('change');
if(!edited) {
this.value = this.options.filter(':selected').val();
}
},
/**
* Handler to process item selection with mouse
*/
selectItem: function(item, silent) {
var selectedOption = this.options.eq(this.resolveItemIndex(item)),
currentOption = this.options.filter(':selected'),
sameOption = selectedOption.val() == currentOption.val(),
shouldChange = null;
if(this.cfg.editable) {
shouldChange = (!sameOption)||(selectedOption.text() != this.label.val());
}
else {
shouldChange = !sameOption;
}
if(shouldChange) {
this.highlightItem(item);
this.input.val(selectedOption.val())
this.triggerChange();
if(this.cfg.editable) {
this.customInput = false;
}
if(this.cfg.syncTooltip) {
this.syncTitle(selectedOption);
}
}
if(!silent) {
this.focusInput.focus();
this.callBehavior('itemSelect');
}
if(this.panel.is(':visible')) {
this.hide();
}
},
syncTitle: function(option) {
var optionTitle = this.items.eq(option.index()).attr('title');
if(optionTitle)
this.jq.attr('title', this.items.eq(option.index()).attr('title'));
else
this.jq.removeAttr('title');
},
resolveItemIndex: function(item) {
if(this.optGroupsSize === 0)
return item.index();
else
return item.index() - item.prevAll('li.ui-selectonemenu-item-group').length;
},
bindKeyEvents: function() {
var $this = this;
this.focusInput.on('keydown.ui-selectonemenu', function(e) {
var keyCode = $.ui.keyCode,
key = e.which;
switch(key) {
case keyCode.UP:
case keyCode.LEFT:
$this.callHandleMethod($this.highlightPrev, e);
break;
case keyCode.DOWN:
case keyCode.RIGHT:
$this.callHandleMethod($this.highlightNext, e);
break;
case keyCode.ENTER:
$this.handleEnterKey(e);
break;
case keyCode.TAB:
$this.handleTabKey();
break;
case keyCode.ESCAPE:
$this.handleEscapeKey(e);
break;
case keyCode.SPACE:
$this.handleSpaceKey(e);
break;
}
})
.on('keyup.ui-selectonemenu', function(e) {
var keyCode = $.ui.keyCode,
key = e.which;
switch(key) {
case keyCode.UP:
case keyCode.LEFT:
case keyCode.DOWN:
case keyCode.RIGHT:
case keyCode.ENTER:
case keyCode.TAB:
case keyCode.ESCAPE:
case keyCode.SPACE:
case keyCode.HOME:
case keyCode.PAGE_DOWN:
case keyCode.PAGE_UP:
case keyCode.END:
case keyCode.DELETE:
case 16: //shift
case 17: //keyCode.CONTROL:
case 18: //keyCode.ALT:
case 19: //Pause/Break:
case 20: //capslock:
case 44: //Print Screen:
case 45: //Insert:
case 91: //left window or cmd:
case 92: //right window:
case 93: //right cmd:
case 144: //num lock:
case 145: //scroll lock:
break;
default:
//function keys (F1,F2 etc.)
if(key >= 112 && key <= 123) {
break;
}
var matchedOptions = null,
metaKey = e.metaKey||e.ctrlKey||e.shiftKey;
if(!metaKey) {
clearTimeout($this.searchTimer);
// #4682: check for word match
var text = $(this).val();
matchedOptions = $this.matchOptions(text);
if(matchedOptions.length) {
var highlightItem = $this.items.eq(matchedOptions.index());
if($this.panel.is(':hidden')) {
$this.selectItem(highlightItem);
}
else {
$this.highlightItem(highlightItem);
PrimeFaces.scrollInView($this.itemsWrapper, highlightItem);
}
} else {
// #4682: check for first letter match
text = String.fromCharCode(key).toLowerCase();
// find all options with the same first letter
matchedOptions = $this.matchOptions(text);
if(matchedOptions.length) {
var selectedIndex = -1;
// is current selection one of our matches?
matchedOptions.each(function() {
var option = $(this);
var currentIndex = option.index();
var currentItem = $this.items.eq(currentIndex);
if (currentItem.hasClass('ui-state-highlight')) {
selectedIndex = currentIndex;
return false;
}
});
matchedOptions.each(function() {
var option = $(this);
var currentIndex = option.index();
var currentItem = $this.items.eq(currentIndex);
// select next item after the current selection
if (currentIndex > selectedIndex) {
if($this.panel.is(':hidden')) {
$this.selectItem(currentItem);
}
else {
$this.highlightItem(currentItem);
PrimeFaces.scrollInView($this.itemsWrapper, currentItem);
}
return false;
}
});
}
}
$this.searchTimer = setTimeout(function(){
$this.focusInput.val('');
}, 1000);
}
break;
}
});
},
matchOptions: function(text) {
return this.options.filter(function() {
var option = $(this);
return (option.is(':not(:disabled)') && (option.text().toLowerCase().indexOf(text) === 0));
});
},
bindFilterEvents: function() {
var $this = this;
this.filterInput.on('keyup.ui-selectonemenu', function(e) {
var keyCode = $.ui.keyCode,
key = e.which;
switch(key) {
case keyCode.UP:
case keyCode.LEFT:
case keyCode.DOWN:
case keyCode.RIGHT:
case keyCode.ENTER:
case keyCode.TAB:
case keyCode.ESCAPE:
case keyCode.SPACE:
case keyCode.HOME:
case keyCode.PAGE_DOWN:
case keyCode.PAGE_UP:
case keyCode.END:
case 16: //shift
case 17: //keyCode.CONTROL:
case 18: //keyCode.ALT:
case 91: //left window or cmd:
case 92: //right window:
case 93: //right cmd:
case 20: //capslock:
break;
default:
//function keys (F1,F2 etc.)
if(key >= 112 && key <= 123) {
break;
}
var metaKey = e.metaKey||e.ctrlKey;
if(!metaKey) {
$this.filter($(this).val());
}
break;
}
})
.on('keydown.ui-selectonemenu',function(e) {
var keyCode = $.ui.keyCode,
key = e.which;
switch(key) {
case keyCode.UP:
$this.highlightPrev(e);
break;
case keyCode.DOWN:
$this.highlightNext(e);
break;
case keyCode.ENTER:
$this.handleEnterKey(e);
e.stopPropagation();
break;
case keyCode.TAB:
$this.handleTabKey();
break;
case keyCode.ESCAPE:
$this.handleEscapeKey(e);
break;
case keyCode.SPACE:
$this.handleSpaceKey(e);
break;
default:
break;
}
}).on('paste.ui-selectonemenu', function() {
setTimeout(function(){
$this.filter($this.filterInput.val());
},2);
});
},
highlightNext: function(event) {
var activeItem = this.getActiveItem(),
next = this.panel.is(':hidden') ? activeItem.nextAll(':not(.ui-state-disabled,.ui-selectonemenu-item-group):first')
: activeItem.nextAll(':not(.ui-state-disabled,.ui-selectonemenu-item-group):visible:first');
if(event.altKey) {
this.show();
}
else {
if(next.length === 1) {
if(this.panel.is(':hidden')) {
this.selectItem(next);
}
else {
this.highlightItem(next);
PrimeFaces.scrollInView(this.itemsWrapper, next);
}
this.changeAriaValue(next);
}
}
event.preventDefault();
},
highlightPrev: function(event) {
var activeItem = this.getActiveItem(),
prev = this.panel.is(':hidden') ? activeItem.prevAll(':not(.ui-state-disabled,.ui-selectonemenu-item-group):first')
: activeItem.prevAll(':not(.ui-state-disabled,.ui-selectonemenu-item-group):visible:first');
if(prev.length === 1) {
if(this.panel.is(':hidden')) {
this.selectItem(prev);
}
else {
this.highlightItem(prev);
PrimeFaces.scrollInView(this.itemsWrapper, prev);
}
this.changeAriaValue(prev);
}
event.preventDefault();
},
handleEnterKey: function(event) {
if(this.panel.is(':visible')) {
this.selectItem(this.getActiveItem());
}
event.preventDefault();
},
handleSpaceKey: function(event) {
var target = $(event.target);
if(target.is('input') && target.hasClass('ui-selectonemenu-filter')) {
return;
}
if(this.panel.is(":hidden")) {
this.show();
}
else {
this.hide();
this.revert();
this.changeAriaValue(this.getActiveItem());
}
event.preventDefault();
},
handleEscapeKey: function(event) {
if(this.panel.is(':visible')) {
this.revert();
this.hide();
}
event.preventDefault();
},
handleTabKey: function() {
if(this.panel.is(':visible')) {
this.selectItem(this.getActiveItem());
}
},
handleLabelChange: function(event) {
this.customInput = true;
this.customInputVal = $(event.target).val();
this.items.filter('.ui-state-active').removeClass('ui-state-active');
this.items.eq(0).addClass('ui-state-active');
},
show: function() {
this.callHandleMethod(this._show, null);
},
_show: function() {
var $this = this;
this.panel.css({'display':'block', 'opacity':0, 'pointer-events': 'none'});
this.alignPanel();
this.panel.css({'display':'none', 'opacity':'', 'pointer-events': '', 'z-index': ++PrimeFaces.zindex});
if($.browser.msie && /^[6,7]\.[0-9]+/.test($.browser.version)) {
this.panel.parent().css('z-index', PrimeFaces.zindex - 1);
}
if(this.cfg.effect !== 'none') {
this.panel.show(this.cfg.effect, {}, this.cfg.effectSpeed, function() {
PrimeFaces.scrollInView($this.itemsWrapper, $this.getActiveItem());
if($this.cfg.filter)
$this.focusFilter();
});
}
else {
this.panel.show();
PrimeFaces.scrollInView(this.itemsWrapper, this.getActiveItem());
if($this.cfg.filter)
this.focusFilter(10);
}
//value before panel is shown
this.preShowValue = this.options.filter(':selected');
this.focusInput.attr('aria-expanded', true);
this.jq.attr('aria-expanded', true);
},
hide: function() {
if($.browser.msie && /^[6,7]\.[0-9]+/.test($.browser.version)) {
this.panel.parent().css('z-index', '');
}
this.panel.css('z-index', '').hide();
this.focusInput.attr('aria-expanded', false);
this.jq.attr('aria-expanded', false);
},
focus: function() {
this.focusInput.focus();
},
focusFilter: function(timeout) {
if(timeout) {
var $this = this;
setTimeout(function() {
$this.focusFilter();
}, timeout);
}
else {
this.filterInput.focus();
}
},
blur: function() {
this.focusInput.blur();
this.callBehavior('blur');
},
disable: function() {
if (!this.disabled) {
this.disabled = true;
this.jq.addClass('ui-state-disabled');
this.input.attr('disabled', 'disabled');
if(this.cfg.editable) {
this.label.attr('disabled', 'disabled');
}
this.unbindEvents();
}
},
enable: function() {
if (this.disabled) {
this.disabled = false;
this.jq.removeClass('ui-state-disabled');
this.input.removeAttr('disabled');
if(this.cfg.editable) {
this.label.removeAttr('disabled');
}
this.bindEvents();
this.bindItemEvents();
}
},
alignPanel: function() {
this.alignPanelWidth();
if(this.panel.parent().is(this.jq)) {
this.panel.css({
left: 0,
top: this.jq.innerHeight()
});
}
else {
this.panel.css({left:0, top:0}).position({
my: 'left top'
,at: 'left bottom'
,of: this.jq
,collision: 'flipfit'
});
}
},
setLabel: function(value) {
var displayedLabel = this.getLabelToDisplay(value);
if (this.cfg.editable) {
if (value === ' ')
this.label.val('');
else
this.label.val(displayedLabel);
var hasPlaceholder = this.label[0].hasAttribute('placeholder');
this.updatePlaceholderClass((hasPlaceholder && value === ' '));
}
else if (this.cfg.label) {
this.label.text(this.cfg.label);
}
else {
var labelText = this.label.data('placeholder');
if (labelText == null || labelText == "") {
labelText = ' ';
}
this.updatePlaceholderClass((value === ' ' && labelText !== ' '));
if (value === ' ') {
if (labelText != ' ') {
this.label.text(labelText);
} else {
this.label.html(labelText);
}
}
else {
this.label.removeClass('ui-state-disabled');
var option = null;
if(this.items) {
var selectedItem = this.items.filter('[data-label="' + $.escapeSelector(value) + '"]');
option = this.options.eq(this.resolveItemIndex(selectedItem));
}
else {
option = this.options.filter(':selected');
}
if (option && option.data('escape') == false) {
this.label.html(displayedLabel);
} else {
this.label.text(displayedLabel);
}
}
}
},
selectValue : function(value) {
var option = this.options.filter('[value="' + value + '"]');
this.selectItem(this.items.eq(option.index()), true);
},
getActiveItem: function() {
return this.items.filter('.ui-state-highlight');
},
setupFilterMatcher: function() {
this.cfg.filterMatchMode = this.cfg.filterMatchMode||'startsWith';
this.filterMatchers = {
'startsWith': this.startsWithFilter
,'contains': this.containsFilter
,'endsWith': this.endsWithFilter
,'custom': this.cfg.filterFunction
};
this.filterMatcher = this.filterMatchers[this.cfg.filterMatchMode];
},
startsWithFilter: function(value, filter) {
return value.indexOf(filter) === 0;
},
containsFilter: function(value, filter) {
return value.indexOf(filter) !== -1;
},
endsWithFilter: function(value, filter) {
return value.indexOf(filter, value.length - filter.length) !== -1;
},
filter: function(value) {
this.cfg.initialHeight = this.cfg.initialHeight||this.itemsWrapper.height();
var filterValue = this.cfg.caseSensitive ? $.trim(value) : $.trim(value).toLowerCase();
if(filterValue === '') {
this.items.filter(':hidden').show();
this.itemsContainer.children('.ui-selectonemenu-item-group').show();
}
else {
var hide = [];
var show = [];
for(var i = 0; i < this.options.length; i++) {
var option = this.options.eq(i),
itemLabel = this.cfg.caseSensitive ? option.text() : option.text().toLowerCase(),
item = this.items.eq(i);
if(item.hasClass('ui-noselection-option')) {
hide.push(item);
}
else {
if(this.filterMatcher(itemLabel, filterValue))
show.push(item);
else
hide.push(item);
}
}
$.each(hide, function(i, o) { o.hide() });
$.each(show, function(i, o) { o.show() });
hide = [];
show = [];
//Toggle groups
var groups = this.itemsContainer.children('.ui-selectonemenu-item-group');
for(var g = 0; g < groups.length; g++) {
var group = groups.eq(g);
if(g === (groups.length - 1)) {
if(group.nextAll().filter(':visible').length === 0)
hide.push(group);
else
show.push(group);
}
else {
if(group.nextUntil('.ui-selectonemenu-item-group').filter(':visible').length === 0)
hide.push(group);
else
show.push(group);
}
}
$.each(hide, function(i, o) { o.hide() });
$.each(show, function(i, o) { o.show() });
}
var firstVisibleItem = this.items.filter(':visible:not(.ui-state-disabled):first');
if(firstVisibleItem.length) {
this.highlightItem(firstVisibleItem);
}
if(this.itemsContainer.height() < this.cfg.initialHeight) {
this.itemsWrapper.css('height', 'auto');
}
else {
this.itemsWrapper.height(this.cfg.initialHeight);
}
this.alignPanel();
},
getSelectedValue: function() {
return this.input.val();
},
getSelectedLabel: function() {
return this.options.filter(':selected').text();
},
getLabelToDisplay: function(value) {
if(this.cfg.labelTemplate && value !== ' ') {
return this.cfg.labelTemplate.replace('{0}', value);
}
return String(value);
},
changeAriaValue: function (item) {
var itemId = item.attr('id');
this.focusInput.attr('aria-activedescendant', itemId)
.attr('aria-describedby', itemId);
this.itemsContainer.attr('aria-activedescendant', itemId);
},
dynamicPanelLoad: function() {
var $this = this,
options = {
source: this.id,
process: this.id,
update: this.id,
global: false,
params: [{name: this.id + '_dynamicload', value: true}],
onsuccess: function(responseXML, status, xhr) {
PrimeFaces.ajax.Response.handle(responseXML, status, xhr, {
widget: $this,
handle: function(content) {
var $content = $($.parseHTML(content));
var $ul = $content.filter('ul');
$this.itemsWrapper.empty();
$this.itemsWrapper.append($ul);
var $select = $content.filter('select');
$this.input.replaceWith($select);
}
});
return true;
},
oncomplete: function(xhr, status, args, data) {
$this.isDynamicLoaded = true;
$this.input = $($this.jqId + '_input');
$this.options = $this.input.children('option');
$this.initContents();
$this.bindItemEvents();
}
};
PrimeFaces.ajax.Request.handle(options);
},