META-INF.resources.primefaces.menu.menu.plainmenu.js Maven / Gradle / Ivy
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PrimeFaces is one of the most popular UI libraries in Java EE Ecosystem and widely used by software companies, world renowned brands, banks, financial institutions, insurance companies, universities and more.
PrimeFaces.widget.PlainMenu = PrimeFaces.widget.Menu.extend({
init: function(cfg) {
this._super(cfg);
this.menuitemLinks = this.jq.find('.ui-menuitem-link:not(.ui-state-disabled)');
//events
this.bindEvents();
if(this.cfg.toggleable) {
this.collapsedIds = [];
this.stateKey = 'menu-' + this.id;
this.restoreState();
}
},
bindEvents: function() {
var $this = this;
this.menuitemLinks.mouseenter(function(e) {
if($this.jq.is(':focus')) {
$this.jq.blur();
}
$(this).addClass('ui-state-hover');
})
.mouseleave(function(e) {
$(this).removeClass('ui-state-hover');
});
if(this.cfg.overlay) {
this.menuitemLinks.click(function() {
$this.hide();
});
this.trigger.on('keydown.ui-menu', function(e) {
var keyCode = $.ui.keyCode;
switch(e.which) {
case keyCode.DOWN:
$this.keyboardTarget.trigger('focus.menu');
e.preventDefault();
break;
case keyCode.TAB:
if($this.jq.is(':visible')) {
$this.hide();
}
break;
}
});
}
if(this.cfg.toggleable) {
this.jq.find('> .ui-menu-list > .ui-widget-header').on('mouseover.menu', function() {
$(this).addClass('ui-state-hover');
})
.on('mouseout.menu', function() {
$(this).removeClass('ui-state-hover');
})
.on('click.menu', function(e) {
var header = $(this);
if(header.find('> h3 > .ui-icon').hasClass('ui-icon-triangle-1-s'))
$this.collapseSubmenu(header, true);
else
$this.expandSubmenu(header, true);
PrimeFaces.clearSelection();
e.preventDefault();
});
}
this.keyboardTarget.on('focus.menu', function() {
$this.menuitemLinks.eq(0).addClass('ui-state-hover');
})
.on('blur.menu', function() {
$this.menuitemLinks.filter('.ui-state-hover').removeClass('ui-state-hover');
})
.on('keydown.menu', function(e) {
var currentLink = $this.menuitemLinks.filter('.ui-state-hover'),
keyCode = $.ui.keyCode;
switch(e.which) {
case keyCode.UP:
var prevItem = currentLink.parent().prevAll('.ui-menuitem:first');
if(prevItem.length) {
currentLink.removeClass('ui-state-hover');
prevItem.children('.ui-menuitem-link').addClass('ui-state-hover');
}
e.preventDefault();
break;
case keyCode.DOWN:
var nextItem = currentLink.parent().nextAll('.ui-menuitem:first');
if(nextItem.length) {
currentLink.removeClass('ui-state-hover');
nextItem.children('.ui-menuitem-link').addClass('ui-state-hover');
}
e.preventDefault();
break;
case keyCode.ENTER:
currentLink.trigger('click');
$this.jq.blur();
var href = currentLink.attr('href');
if(href && href !== '#') {
window.location.href = href;
}
e.preventDefault();
break;
case keyCode.ESCAPE:
$this.hide();
if($this.cfg.overlay) {
$this.trigger.focus();
}
break;
}
});
},
collapseSubmenu: function(header, stateful) {
var items = header.nextUntil('li.ui-widget-header');
header.attr('aria-expanded', false)
.find('> h3 > .ui-icon').removeClass('ui-icon-triangle-1-s').addClass('ui-icon-triangle-1-e');
items.filter('.ui-submenu-child').hide();
if(stateful) {
this.collapsedIds.push(header.attr('id'));
this.saveState();
}
},
expandSubmenu: function(header, stateful) {
var items = header.nextUntil('li.ui-widget-header');
header.attr('aria-expanded', false)
.find('> h3 > .ui-icon').removeClass('ui-icon-triangle-1-e').addClass('ui-icon-triangle-1-s');
items.filter('.ui-submenu-child').show();
if(stateful) {
var id = header.attr('id');
this.collapsedIds = $.grep(this.collapsedIds, function(value) {
return (value !== id);
});
this.saveState();
}
},
saveState: function() {
PrimeFaces.setCookie(this.stateKey, this.collapsedIds.join(','));
},
restoreState: function() {
var collapsedIdsAsString = PrimeFaces.getCookie(this.stateKey);
if(collapsedIdsAsString) {
this.collapsedIds = collapsedIdsAsString.split(',');
for(var i = 0 ; i < this.collapsedIds.length; i++) {
this.collapseSubmenu($(PrimeFaces.escapeClientId(this.collapsedIds[i])), false);
}
}
},
clearState: function() {
PrimeFaces.setCookie(this.stateKey, null);
}
});