mirror of
https://github.com/jquery/jquery-ui.git
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242 lines
6.9 KiB
JavaScript
242 lines
6.9 KiB
JavaScript
/*
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* jQuery UI menubar
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*
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* backported from Michael Lang's fork: http://www.nexul.com/prototypes/toolbar/demo.html
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*/
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(function($) {
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// TODO take non-menubar buttons into account
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$.widget("ui.menubar", {
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options: {
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buttons: false,
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menuIcon: false
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},
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_create: function() {
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var self = this;
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var items = this.items = this.element.children("li")
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.addClass("ui-menubar-item")
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.attr("role", "presentation")
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.children("button, a");
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items.slice(1).attr("tabIndex", -1);
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var o = this.options;
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this.element.addClass('ui-menubar ui-widget-header ui-helper-clearfix').attr("role", "menubar");
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this._focusable(items);
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this._hoverable(items);
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items.next("ul").each(function(i, elm) {
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$(elm).menu({
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select: function(event, ui) {
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ui.item.parents("ul.ui-menu:last").hide();
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self._trigger( "select", event, ui );
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self._close();
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$(event.target).prev().focus();
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}
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}).hide()
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.attr("aria-hidden", "true")
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.attr("aria-expanded", "false")
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.keydown(function(event) {
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var menu = $(this);
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if (menu.is(":hidden"))
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return;
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event.stopPropagation();
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switch (event.keyCode) {
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case $.ui.keyCode.LEFT:
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self._left(event);
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event.preventDefault();
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break;
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case $.ui.keyCode.RIGHT:
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self._right(event);
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event.preventDefault();
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break;
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case $.ui.keyCode.TAB:
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self.open= false;
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break;
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};
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}).blur(function( event ) {
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if (!self.open)
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self._close( event );
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});
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});
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items.each(function() {
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var input = $(this),
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menu = input.next("ul");
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input.bind("click focus mouseenter", function(event) {
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// ignore triggered focus event
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if (event.type == "focus" && !event.originalEvent) {
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return;
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}
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event.preventDefault();
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event.stopPropagation();
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if (event.type == "click" && menu.is(":visible") && self.active && self.active[0] == menu[0]) {
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self._close();
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return;
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}
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if ((self.open && event.type == "mouseenter") || event.type == "click") {
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self._open(event, menu);
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}
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})
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.bind( "keydown", function( event ) {
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switch ( event.keyCode ) {
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case $.ui.keyCode.SPACE:
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case $.ui.keyCode.UP:
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case $.ui.keyCode.DOWN:
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self._open( event, $( this ).next() );
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event.preventDefault();
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break;
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case $.ui.keyCode.LEFT:
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self._prev( event, $( this ) );
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event.preventDefault();
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break;
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case $.ui.keyCode.RIGHT:
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self._next( event, $( this ) );
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event.preventDefault();
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break;
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}
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})
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.addClass("ui-button ui-widget ui-button-text-only ui-menubar-link")
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.attr("role", "menuitem")
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.attr("aria-haspopup", "true")
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.wrapInner("<span class='ui-button-text'></span>");
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if (o.menuIcon) {
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input.addClass("ui-state-default").append("<span class='ui-button-icon-secondary ui-icon ui-icon-triangle-1-s'></span>");
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input.removeClass("ui-button-text-only").addClass("ui-button-text-icon-secondary");
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}
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if (!o.buttons) {
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input.addClass('ui-menubar-link').removeClass('ui-state-default');
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};
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});
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self._bind(document, {
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click: function(event) {
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if (self.open && !$(event.target).closest(".ui-menubar").length) {
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self._close();
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}
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}
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})
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self._bind({
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keyup: function(event) {
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if (event.keyCode == $.ui.keyCode.ESCAPE && self.open) {
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if (self.active.menu("left", event) !== true) {
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var active = self.active;
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self.active.blur();
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self._close( event );
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active.prev().focus();
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}
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}
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}
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});
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},
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_destroy : function() {
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var items = this.element.children("li")
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.removeClass("ui-menubar-item")
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.removeAttr("role", "presentation")
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.children("button, a");
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this.element.removeClass('ui-menubar ui-widget-header ui-helper-clearfix').removeAttr("role", "menubar").unbind(".menubar");;
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items.unbind("focusin focusout click focus mouseenter keydown");
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items
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.removeClass("ui-button ui-widget ui-button-text-only ui-menubar-link")
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.removeAttr("role", "menuitem")
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.removeAttr("aria-haspopup", "true")
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.children("span.ui-button-text").each(function(i, e) {
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var item = $(this);
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item.parent().html(item.html());
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});
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$(document).unbind(".menubar");
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//TODO remove icons
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this.element.find(":ui-menu").menu("destroy")
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.show()
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.removeAttr("aria-hidden", "true")
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.removeAttr("aria-expanded", "false")
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.removeAttr("tabindex")
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.unbind("keydown", "blur")
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;
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},
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_close: function() {
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this.active.menu("closeAll").hide().attr("aria-hidden", "true").attr("aria-expanded", "false");
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this.active.prev().removeClass("ui-state-active").removeAttr("tabIndex");
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this.active = null;
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var self = this;
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// delay for the next focus event to see it as still "open"
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self.timer = setTimeout(function() {
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self.open = false;
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}, 13);
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},
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_open: function(event, menu) {
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// on a single-button menubar, ignore reopening the same menu
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if (this.active && this.active[0] == menu[0]) {
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return;
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}
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// almost the same as _close above, but don't remove tabIndex
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if (this.active) {
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this.active.menu("closeAll").hide().attr("aria-hidden", "true").attr("aria-expanded", "false");
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this.active.prev().removeClass("ui-state-active");
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}
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clearTimeout(this.timer);
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this.open = true;
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// set tabIndex -1 to have the button skipped on shift-tab when menu is open (it gets focus)
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var button = menu.prev().addClass("ui-state-active").attr("tabIndex", -1);
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this.active = menu.show().position({
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my: "left top",
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at: "left bottom",
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of: button
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})
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.removeAttr("aria-hidden").attr("aria-expanded", "true")
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.menu("focus", event, menu.children("li").first())
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.focus();
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},
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_prev: function( event, button ) {
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button.attr("tabIndex", -1);
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var prev = button.parent().prevAll("li").children( ".ui-button" ).eq( 0 );
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if (prev.length) {
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prev.removeAttr("tabIndex")[0].focus();
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} else {
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var lastItem = this.element.children("li:last").children(".ui-button:last");
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lastItem.removeAttr("tabIndex")[0].focus();
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}
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},
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_next: function( event, button ) {
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button.attr("tabIndex", -1);
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var next = button.parent().nextAll("li").children( ".ui-button" ).eq( 0 );
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if (next.length) {
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next.removeAttr("tabIndex")[0].focus();
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} else {
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var firstItem = this.element.children("li:first").children(".ui-button:first");
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firstItem.removeAttr("tabIndex")[0].focus();
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}
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},
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_left: function(event) {
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var prev = this.active.parent().prevAll("li:eq(0)").children( ".ui-menu" ).eq( 0 );
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if (prev.length) {
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this._open(event, prev);
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} else {
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var lastItem = this.element.children("li:last").children(".ui-menu:first");
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this._open(event, lastItem);
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}
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},
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_right: function(event) {
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var next = this.active.parent().nextAll("li:eq(0)").children( ".ui-menu" ).eq( 0 );
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if (next.length) {
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this._open(event, next);
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} else {
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var firstItem = this.element.children("li:first").children(".ui-menu:first");
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this._open(event, firstItem);
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}
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}
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});
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}(jQuery));
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