@progress/kendo-ui
Version:
This package is part of the [Kendo UI for jQuery](http://www.telerik.com/kendo-ui) suite.
1,409 lines (1,139 loc) • 62.6 kB
JavaScript
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
require('./kendo.data.js');
require('./kendo.icons.js');
require('./kendo.sortable.js');
require('./kendo.core.js');
require('./kendo.licensing.js');
require('@progress/kendo-licensing');
require('./kendo.data.odata.js');
require('./kendo.data.xml.js');
require('./kendo.html.icon.js');
require('./kendo.html.base.js');
require('@progress/kendo-svg-icons');
require('./kendo.draganddrop.js');
require('./kendo.userevents.js');
const __meta__ = {
id: "tabstrip",
name: "TabStrip",
category: "web",
description: "The TabStrip widget displays a collection of tabs with associated tab content.",
depends: [ "data", "icons", "sortable" ],
features: [ {
id: "tabstrip-fx",
name: "Animation",
description: "Support for animation",
depends: [ "fx" ]
} ]
};
(function($, undefined$1) {
var kendo = window.kendo,
ui = kendo.ui,
keys = kendo.keys,
map = $.map,
each = $.each,
trim = kendo.trim,
extend = $.extend,
isFunction = kendo.isFunction;
kendo.template;
var outerWidth = kendo._outerWidth,
outerHeight = kendo._outerHeight,
Widget = ui.Widget,
excludedNodesRegExp = /^(a|div)$/i,
NS = ".kendoTabStrip",
IMG = "img",
HREF = "href",
PREV = "prev",
NEXT = "next",
SHOW = "show",
LINK = "k-link",
LINK_TEXT = "k-link-text",
LAST = "k-last",
CLICK = "click",
ERROR = "error",
EMPTY = ":empty",
IMAGE = "k-image",
FIRST = "k-first",
SELECT = "select",
ACTIVATE = "activate",
CONTENT = "k-tabstrip-content",
CONTENTURL = "contentUrl",
MOUSEENTER = "mouseenter",
MOUSELEAVE = "mouseleave",
CONTENTLOAD = "contentLoad",
DISABLEDSTATE = "k-disabled",
ACTIVESTATE = "k-active",
FOCUSEDSTATE = "k-focus",
HOVERSTATE = "k-hover",
NAVIGATABLEITEMS = ".k-item.k-tabstrip-item:not(." + DISABLEDSTATE + ")",
KEYBOARDNAVIGATABLEITEMS = ".k-item.k-tabstrip-item",
HOVERABLEITEMS = ".k-tabstrip-items > " + NAVIGATABLEITEMS + ":not(." + ACTIVESTATE + ")",
DEFAULTDISTANCE = 200,
ARIA_HIDDEN = "aria-hidden",
ARIA_CONTROLS = "aria-controls",
ARIA_DISABLED = "aria-disabled",
ARIA_SELECTED = "aria-selected",
ARIA_ORIENTATION = "aria-orientation",
ARIA_LABELLEDBY = "aria-labelledby",
templates = {
content: (data) =>
`<div class='k-tabstrip-content' ${data.contentAttributes(data)} tabindex='0'>${data.content(data.item)}</div>`,
textWrapper: ({ tag, item , contentUrl, textAttributes, image, sprite, text }) =>
`<${tag(item)} class='${LINK}' ${contentUrl(item)} ${textAttributes(item)}>` + `${image(item)}${sprite(item)}` +
`<span class='${LINK_TEXT}'>${text(item)}</span>` +
`</${tag(item)}>`,
item: (data) =>templates.itemWrapper(data,`${data.textWrapper(data)}`),
itemWrapper: (data, item) =>
`<li class='${data.wrapperCssClass(data.group, data.item)}' role='tab' ${data.item.active ? "aria-selected='true'" : ''}>` +
item +
"</li>",
image: ({ imageUrl }) => `<img class='k-image' alt='' src='${imageUrl}' />`,
sprite: ({ spriteCssClass }) => `<span class='k-sprite ${spriteCssClass}'></span>`,
empty: () => "",
},
rendering = {
wrapperCssClass: function(group, item) {
var result = ["k-item", "k-tabstrip-item"],
index = item.index;
if (item.enabled === false) {
result.push("k-disabled");
}
if (index === 0) {
result.push("k-first");
}
if (index == group.length - 1) {
result.push("k-last");
}
return result.join(" ");
},
textAttributes: function(item) {
return item.url ? " href='" + kendo.sanitizeLink(item.url) + "'" : "";
},
text: function(item) {
return item.encoded === false ? item.text : kendo.htmlEncode(item.text);
},
tag: function(item) {
return item.url ? "a" : "span";
},
contentAttributes: function(content) {
return content.active !== true ? ` ${kendo.attr("style-display")}="none" aria-hidden='true'` : "";
},
content: function(item) {
return item.content ? item.content : item.contentUrl ? "" : " ";
},
contentUrl: function(item) {
return item.contentUrl ? kendo.attr("content-url") + '="' + item.contentUrl + '"' : "";
}
};
function updateTabClasses(tabs) {
tabs.children(IMG)
.addClass(IMAGE);
tabs.children("a")
.addClass(LINK)
.children(IMG)
.addClass(IMAGE);
tabs.filter("li[disabled]")
.addClass(DISABLEDSTATE)
.attr(ARIA_DISABLED, "true")
.prop("disabled", false);
tabs.filter(":not([class*=k-state])")
.children("a")
.filter(":focus")
.parent()
.addClass(ACTIVESTATE);
tabs.attr("role", "tab");
tabs.each(function() {
var item = $(this);
item.attr(ARIA_SELECTED, item.is("." + ACTIVESTATE));
if (!item.children("." + LINK).length) {
item
.contents() // exclude groups, real links, templates and empty text nodes
.filter(function() { return (!this.nodeName.match(excludedNodesRegExp) && !(this.nodeType == 3 && !trim(this.nodeValue))); })
.wrapAll("<span UNSELECTABLE='on' class='" + LINK + "'/>")
.wrapAll("<span UNSELECTABLE='on' class='" + LINK_TEXT + "'/>");
}
});
}
function updateFirstLast(tabGroup) {
const tabs = tabGroup.children(".k-item.k-tabstrip-item");
tabs.filter(".k-first:not(:first-child)").removeClass(FIRST);
tabs.filter(".k-last:not(:last-child)").removeClass(LAST);
tabs.filter(":first-child").addClass(FIRST);
if (tabs.length > 1) {
tabs.filter(":last-child").addClass(LAST);
}
}
function scrollButtonHtml(buttonClass, iconClass) {
return `<span aria-hidden='true' class='k-button k-button-md k-rounded-md k-button-flat k-button-flat-base k-icon-button k-tabstrip-${buttonClass}' unselectable='on'>${kendo.ui.icon({ icon: iconClass, iconClass: "k-button-icon" })}</span>`;
}
function ajaxXhr() {
var current = this,
request = $.ajaxSettings.xhr(),
event = current.progressUpload ? "progressUpload" : current.progress ? "progress" : false;
if (request) {
$.each([ request, request.upload ], function() {
if (this.addEventListener) {
this.addEventListener("progress", function(evt) {
if (event) {
current[event](evt);
}
}, false);
}
});
}
current.noProgress = !(window.XMLHttpRequest && ('upload' in new XMLHttpRequest()));
return request;
}
var TabStrip = Widget.extend({
init: function(element, options) {
var that = this, value;
Widget.fn.init.call(that, element, options);
that._animations(that.options);
options = that.options;
that._contentUrls = options.contentUrls || [];
that._wrapper();
that._isRtl = kendo.support.isRtl(that.wrapper);
that._updateClasses();
that._dataSource();
that._tabindex(that.tabGroup);
that.tabGroup.attr("role", "tablist");
if (options.dataSource) {
that.dataSource.fetch();
}
that._removeAdditionalWrapperClasses();
that._tabSizes();
that._tabPosition();
that._scrollable();
that._tabAlignment();
that._sortable();
that._processContentUrls();
that._attachEvents();
if (that.options.value) {
value = that.options.value;
}
that._initialActivate();
that.value(value);
kendo.notify(that);
if (that._showWatermarkOverlay) {
that._showWatermarkOverlay(that.element[0]);
}
},
events: [
SELECT,
ACTIVATE,
SHOW,
ERROR,
CONTENTLOAD,
"change",
"dataBinding",
"dataBound"
],
options: {
name: "TabStrip",
dataEncodedField: "",
dataTextField: "",
dataContentField: "",
dataImageUrlField: "",
dataUrlField: "",
dataSpriteCssClass: "",
dataContentUrlField: "",
tabPosition: "top",
tabAlignment: "start",
size: "medium",
tabTemplate: null,
animation: {
open: {
effects: "expand:vertical fadeIn",
duration: 200
},
close: { // if close animation effects are defined, they will be used instead of open.reverse
duration: 200
}
},
collapsible: false,
navigatable: true,
contentUrls: false,
applyMinHeight: true,
scrollable: {
distance: DEFAULTDISTANCE,
scrollButtonsPosition: "split",
scrollButtons: "auto",
},
sortable: false
},
setDataSource: function(dataSource) {
var that = this;
that.options.dataSource = dataSource;
that._dataSource();
that.dataSource.fetch();
},
setOptions: function(options) {
var that = this,
animation = that.options.animation;
that._animations(options);
if (options.contentUrls) {
that._contentUrls = options.contentUrls;
}
options.animation = extend(true, animation, options.animation);
if (options.navigatable) {
that.tabGroup.on("keydown" + NS, that._keyDownProxy);
} else {
that.tabGroup.off("keydown" + NS, that._keyDownProxy);
}
Widget.fn.setOptions.call(that, options);
},
activateTab: function(item) {
if (this.tabGroup.children("[data-animating]").length) { return; }
item = this.tabGroup.find(item);
var that = this,
animationSettings = that.options.animation,
animation = animationSettings.open,
close = extend({}, animationSettings.close),
hasCloseAnimation = close && "effects" in close,
neighbours = item.parent().children(),
oldTab = neighbours.filter("." + ACTIVESTATE),
itemIndex = neighbours.index(item);
close = extend( hasCloseAnimation ? close : extend({ reverse: true }, animation), { hide: true });
// deactivate previously active tab
if (kendo.size(animation.effects)) {
oldTab.kendoRemoveClass(ACTIVESTATE, { duration: close.duration });
item.kendoRemoveClass(HOVERSTATE, { duration: close.duration });
} else {
oldTab.removeClass(ACTIVESTATE);
item.removeClass(HOVERSTATE);
}
// handle content elements
var contentAnimators = that.contentAnimators;
if (that.inRequest) {
that.xhr.abort();
that.inRequest = false;
}
if (contentAnimators.length === 0) {
that.tabGroup.find("." + ACTIVESTATE);
item.addClass(ACTIVESTATE);
that._current(item, true);
that.trigger("change");
if (that._scrollableModeActive) {
that._scrollTabsToItem(item);
}
return false;
}
var visibleContents = contentAnimators.filter("." + ACTIVESTATE),
contentHolder = that.contentHolder(itemIndex),
contentElement = contentHolder.closest(".k-tabstrip-content");
that.tabsHeight = outerHeight(that.tabGroup) +
parseInt(that.wrapper.css("border-top-width"), 10) +
parseInt(that.wrapper.css("border-bottom-width"), 10);
if (contentHolder.length === 0) {
visibleContents
.removeClass( ACTIVESTATE )
.attr(ARIA_HIDDEN, true)
.kendoStop(true, true)
.kendoAnimate( close );
return false;
}
item.attr("data-animating", true);
var isAjaxContent = (item.children("." + LINK).data(CONTENTURL) || that._contentUrls[itemIndex] || false) && contentHolder.is(EMPTY),
showContentElement = function() {
oldTab.attr(ARIA_SELECTED, false);
item.attr(ARIA_SELECTED, true);
that.tabGroup.attr("aria-activedescendant", item.attr("id"));
that._current(item, true);
contentElement
.addClass(ACTIVESTATE)
.removeAttr(ARIA_HIDDEN)
.kendoStop(true, true)
.kendoAnimate( extend({ init: function() {
that.trigger(SHOW, { item: item[0], contentElement: contentHolder[0] });
kendo.resize(contentHolder);
} }, animation, {
complete: function() {
// See https://github.com/telerik/kendo-ui-core/issues/6660
that.element.css('min-height', oldMinHeight);
item.removeAttr("data-animating");
that.trigger(ACTIVATE, { item: item[0], contentElement: contentHolder[0] });
kendo.resize(contentHolder);
}
} ) );
},
showContent = function() {
if (!isAjaxContent) {
showContentElement();
that.trigger("change");
} else {
item.removeAttr("data-animating");
that.ajaxRequest(item, contentHolder, function() {
item.attr("data-animating", true);
showContentElement();
that.trigger("change");
});
}
if (that._scrollableModeActive) {
that._scrollTabsToItem(item);
}
};
// See https://github.com/telerik/kendo-ui-core/issues/6660
var oldMinHeight = that.element.css('min-height');
if (that.options.applyMinHeight) {
that.element.css('min-height', that.element.outerHeight());
}
visibleContents.removeClass(ACTIVESTATE);
that.tabGroup.find("." + ACTIVESTATE);
if (kendo.size(animation.effects)) {
item.kendoAddClass(ACTIVESTATE, { duration: animation.duration });
} else {
item.addClass(ACTIVESTATE);
}
visibleContents.attr(ARIA_HIDDEN, true);
if (visibleContents.length) {
visibleContents
.kendoStop(true, true)
.kendoAnimate(extend( {
complete: showContent
}, close ));
} else {
showContent();
}
return true;
},
ajaxRequest: function(element, content, complete, url) {
element = this.tabGroup.find(element);
var that = this,
link = element.find("." + LINK),
data = {};
url = url || link.data(CONTENTURL) || that._contentUrls[element.index()] || link.attr(HREF);
that.inRequest = true;
var ajaxOptions = {
type: "GET",
cache: false,
url: url,
dataType: "html",
data: data,
xhr: ajaxXhr,
error: function(xhr, status) {
if (that.trigger("error", { xhr: xhr, status: status })) {
this.complete();
}
},
complete: function(xhr) {
that.inRequest = false;
},
success: function(data) {
try {
kendo.destroy(content);
content.html(data);
} catch (e) {
this.error(this.xhr, "error");
}
if (complete) {
complete.call(that, content);
}
that.trigger(CONTENTLOAD, { item: element[0], contentElement: content[0] });
}
};
if (typeof url === "object") {
ajaxOptions = $.extend(true, {}, ajaxOptions, url);
if (isFunction(ajaxOptions.url)) {
ajaxOptions.url = ajaxOptions.url();
}
if (isFunction(ajaxOptions.data)) {
ajaxOptions.data = ajaxOptions.data();
}
}
that.xhr = $.ajax(ajaxOptions);
},
append: function(tab) {
var that = this,
inserted = that._create(tab);
each(inserted.tabs, function(idx) {
var contents = inserted.contents[idx];
that.tabGroup.append(this);
if (that.options.tabPosition == "bottom") {
that.tabWrapper.before(contents);
} else {
that.wrapper.append(contents);
}
});
updateFirstLast(that.tabGroup);
that._updateContentElements();
that.resize(true);
return that;
},
contentElement: function(itemIndex) {
if (isNaN(itemIndex - 0)) {
return undefined$1;
}
var contentElements = this.contentElements && this.contentElements[0] && !kendo.kineticScrollNeeded ? this.contentElements : this.contentAnimators;
var id = $(this.tabGroup.children()[itemIndex]).attr(ARIA_CONTROLS);
if (contentElements) {
for (var i = 0, len = contentElements.length; i < len; i++) {
if (contentElements.eq(i).closest(".k-tabstrip-content")[0].id == id) {
return contentElements[i];
}
}
}
return undefined$1;
},
contentHolder: function(itemIndex) {
var contentElement = $(this.contentElement(itemIndex)),
scrollContainer = contentElement.children(".km-scroll-container");
return kendo.support.touch && scrollContainer[0] ? scrollContainer : contentElement;
},
deactivateTab: function(item) {
var that = this,
animationSettings = that.options.animation,
animation = animationSettings.open,
close = extend({}, animationSettings.close),
hasCloseAnimation = close && "effects" in close;
item = that.tabGroup.find(item);
close = extend( hasCloseAnimation ? close : extend({ reverse: true }, animation), { hide: true });
if (kendo.size(animation.effects)) {
item.kendoRemoveClass(ACTIVESTATE, { duration: animation.duration });
} else {
item.removeClass(ACTIVESTATE);
}
item.attr(ARIA_SELECTED, false);
that.tabGroup.removeAttr("aria-activedescendant");
that.contentAnimators
.filter("." + ACTIVESTATE)
.kendoStop(true, true)
.kendoAnimate( close )
.removeClass(ACTIVESTATE)
.attr(ARIA_HIDDEN, true);
},
_removeAdditionalWrapperClasses: function() {
const that = this;
that.wrapper.removeClass("k-tabstrip-sm k-tabstrip-md k-tabstrip-lg");
that.tabGroup.removeClass("k-tabstrip-items-start k-tabstrip-items-center k-tabstrip-items-end k-tabstrip-items-justify k-tabstrip-items-stretched");
},
destroy: function() {
var that = this;
const isHidden = that.options.scrollable && that.options.scrollable.scrollButtons === "hidden";
Widget.fn.destroy.call(that);
if (that._refreshHandler) {
that.dataSource.unbind("change", that._refreshHandler);
}
if (that.options.scrollable && isHidden) {
that.tabGroup.unbind("scroll" + NS);
}
that._removeAdditionalWrapperClasses();
that.wrapper.off(NS);
that.tabGroup.off(NS);
if (that._scrollableModeActive && !isHidden) {
that._scrollPrevButton.off().remove();
that._scrollNextButton.off().remove();
}
kendo.destroy(that.wrapper);
},
disable: function(element) {
this._toggleDisabled(element, false);
return this;
},
enable: function(element, state) {
this._toggleDisabled(element, state !== false);
return this;
},
insertAfter: function(tab, referenceTab) {
if ($(tab).is($(referenceTab))) {
referenceTab = this.tabGroup.find(referenceTab).prev();
} else {
referenceTab = this.tabGroup.find(referenceTab);
}
var that = this,
inserted = that._create(tab),
referenceContent = that.element.find("[id='" + referenceTab.attr(ARIA_CONTROLS) + "']");
each(inserted.tabs, function(idx) {
var contents = inserted.contents[idx];
var fromIndex = inserted.newTabsCreated ? that._contentUrls.length - (inserted.tabs.length - idx) : $(contents).index() - 1;
referenceTab.after(this);
referenceContent.after(contents);
that._moveUrlItem(fromIndex, $(this).index());
});
updateFirstLast(that.tabGroup);
that._updateContentElements(inserted.newTabsCreated);
that.resize(true);
return that;
},
insertBefore: function(tab, referenceTab) {
if ($(tab).is($(referenceTab))) {
referenceTab = this.tabGroup.find(referenceTab).next();
} else {
referenceTab = this.tabGroup.find(referenceTab);
}
var that = this,
inserted = that._create(tab),
referenceContent = that.element.find("[id='" + referenceTab.attr(ARIA_CONTROLS) + "']");
each(inserted.tabs, function(idx) {
var contents = inserted.contents[idx];
var fromIndex = inserted.newTabsCreated ? that._contentUrls.length - (inserted.tabs.length - idx) : $(contents).index() - 1;
referenceTab.before(this);
referenceContent.before(contents);
that._moveUrlItem(fromIndex, $(this).index());
});
updateFirstLast(that.tabGroup);
that._updateContentElements(inserted.newTabsCreated);
that.resize(true);
return that;
},
items: function() {
return this.tabGroup[0].children;
},
refresh: function(e) {
var that = this,
options = that.options,
encoded = kendo.getter(options.dataEncodedField),
text = kendo.getter(options.dataTextField),
content = kendo.getter(options.dataContentField),
contentUrl = kendo.getter(options.dataContentUrlField),
image = kendo.getter(options.dataImageUrlField),
url = kendo.getter(options.dataUrlField),
sprite = kendo.getter(options.dataSpriteCssClass),
idx,
tabs = [],
tab,
action,
view = that.dataSource.view(),
length;
e = e || {};
action = e.action;
if (action) {
view = e.items;
}
for (idx = 0, length = view.length; idx < length; idx ++) {
tab = {
text: text(view[idx])
};
if (options.tabTemplate) {
tab.model = view[idx];
tab.template = options.tabTemplate;
}
if (options.dataEncodedField) {
tab.encoded = encoded(view[idx]);
}
if (options.dataContentField) {
tab.content = content(view[idx]);
}
if (options.dataContentUrlField) {
tab.contentUrl = contentUrl(view[idx]);
}
if (options.dataUrlField) {
tab.url = url(view[idx]);
}
if (options.dataImageUrlField) {
tab.imageUrl = image(view[idx]);
}
if (options.dataSpriteCssClass) {
tab.spriteCssClass = sprite(view[idx]);
}
tabs[idx] = tab;
}
if (e.action == "add") {
if (e.index < that.tabGroup.children().length) {
that.insertBefore(tabs, that.tabGroup.children().eq(e.index));
} else {
that.append(tabs);
}
} else if (e.action == "remove") {
for (idx = 0; idx < view.length; idx++) {
that.remove(e.index);
}
} else if (e.action == "itemchange") {
idx = that.dataSource.view().indexOf(view[0]);
if (e.field === options.dataTextField) {
that.tabGroup.children().eq(idx).find(".k-link").text(view[0].get(e.field));
}
if (e.field === options.dataUrlField) {
that._contentUrls[idx] = view[0].get(e.field);
}
} else {
that.trigger("dataBinding");
that.remove("li");
that._contentUrls = [];
that.append(tabs);
that.trigger("dataBound");
}
},
reload: function(element) {
element = this.tabGroup.find(element);
var that = this;
var contentUrls = that._contentUrls;
element.each(function() {
var item = $(this),
contentUrl = item.find("." + LINK).data(CONTENTURL) || contentUrls[item.index()],
content = that.contentHolder(item.index());
if (contentUrl) {
that.ajaxRequest(item, content, null, contentUrl);
}
});
return that;
},
remove: function(elements) {
var that = this;
var type = typeof elements;
var contents;
if (type === "string") {
elements = that.tabGroup.find(elements);
} else if (type === "number") {
elements = that.tabGroup.children().eq(elements);
}
contents = elements.map(function() {
var idx = $(this).index();
var content = that.contentElement(idx);
kendo.destroy(content);
that._removeUrlItem(idx);
return content;
});
elements.remove();
contents.empty();
contents.remove();
that._updateContentElements();
that.resize(true);
return that;
},
select: function(element) {
var that = this;
if (arguments.length === 0) {
return that.tabGroup.children("li." + ACTIVESTATE);
}
if (!isNaN(element)) {
element = that.tabGroup.children().get(element);
}
element = that.tabGroup.find(element);
$(element).each(function(index, item) {
item = $(item);
if (!item.hasClass(ACTIVESTATE) && !that.trigger(SELECT, { item: item[0], contentElement: that.contentHolder(item.index())[0] })) {
that.activateTab(item);
that.tabGroup.attr("aria-activedescendant", item.attr("id"));
}
});
return that;
},
value: function(value) {
var that = this;
if (value !== undefined$1) {
if (value != that.value()) {
that.tabGroup.children().each(function() {
if (kendo.trim($(this).text()) == value) {
that.select(this);
}
});
}
} else {
return that.select().text();
}
},
_tabAlignment: function() {
const that = this;
let tabAlignment = that.options.tabAlignment;
if (that._scrollableModeActive) {
tabAlignment = 'start';
}
that.tabGroup.addClass("k-tabstrip-items-" + tabAlignment);
},
_active: function() {
var that = this;
setTimeout(function() {
var item = that.tabGroup.children().filter("." + ACTIVESTATE);
item = item[0] ? item : that._endItem("first");
if (item[0]) {
that._current(item);
}
}, 100);
},
_animations: function(options) {
if (options && ("animation" in options) && !options.animation) {
options.animation = { open: { effects: {} }, close: { effects: {} } }; // No animation
}
},
_appendUrlItem: function(url) {
this._contentUrls.push(url);
},
_attachEvents: function() {
var that = this,
options = that.options;
that.tabGroup
.on(CLICK + NS, ".k-disabled .k-link", false)
.on(CLICK + NS, " > " + NAVIGATABLEITEMS, that._itemClick.bind(that));
that.wrapper.on("focus" + NS, function() { that.tabGroup.trigger("focus"); });
if (options.scrollable && options.scrollable.scrollButtons === "hidden") {
that.tabGroup.bind("scroll", function(e) {
that._toggleScrollButtons();
});
}
that.tabGroup
.on(MOUSEENTER + NS + " " + MOUSELEAVE + NS, HOVERABLEITEMS, that._toggleHover)
.on("focus" + NS, that._active.bind(that))
.on("blur" + NS, function() { that._current(null); });
that._keyDownProxy = that._keydown.bind(that);
if (options.navigatable) {
that.tabGroup.on("keydown" + NS, that._keyDownProxy);
}
$(window).on('resize' + NS, that._resize.bind(that));
},
_click: function(item) {
var that = this,
link = item.find("." + LINK),
href = link.attr(HREF),
collapse = that.options.collapsible,
index = item.index(),
contentHolder = that.contentHolder(index),
prevent, isAnchor,
neighbours = item.parent().children(),
oldFocusedTab = neighbours.filter("." + FOCUSEDSTATE);
if (item.closest(".k-tabstrip")[0] != that.wrapper[0]) {
return;
}
if (item.is("." + DISABLEDSTATE + (!collapse ? ",." + ACTIVESTATE : ""))) {
oldFocusedTab.removeClass(FOCUSEDSTATE);
that._focused = item;
item.addClass(FOCUSEDSTATE);
that._current(item);
if (that._scrollableModeActive) {
that._scrollTabsToItem(item);
}
return true;
}
isAnchor = link.data(CONTENTURL) || that._contentUrls[index] || (href && (href.charAt(href.length - 1) == "#" || href.indexOf("#" + that.element[0].id + "-") != -1));
prevent = !href || isAnchor;
if (that.tabGroup.children("[data-animating]").length) {
return prevent;
}
if (that.trigger(SELECT, { item: item[0], contentElement: contentHolder[0] })) {
return true;
}
if (prevent === false) {
return;
}
if (collapse && item.is("." + ACTIVESTATE)) {
that.deactivateTab(item);
return true;
}
if (that.activateTab(item)) {
that._current(item);
prevent = true;
}
return prevent;
},
_create: function(tab) {
var that = this,
tabs,
contents,
content,
newTabsCreated = false;
tab = tab instanceof kendo.data.ObservableArray ? tab.toJSON() : tab;
if ($.isPlainObject(tab) || Array.isArray(tab)) {
tab = Array.isArray(tab) ? tab : [tab];
newTabsCreated = true;
tabs = map(tab, function(value, idx) {
that._appendUrlItem(tab[idx].contentUrl || null);
return $(TabStrip.renderItem({
group: that.tabGroup,
item: extend(value, { index: idx })
}));
});
contents = map( tab, function(value, idx) {
if (typeof value.content == "string" || value.contentUrl) {
let tabstripContent = $(TabStrip.renderContent({
item: extend(value, { index: idx })
}));
kendo.applyStylesFromKendoAttributes(tabstripContent, ["display"]);
return tabstripContent;
}
});
} else {
if (typeof tab == "string" && tab[0] != "<") {
tabs = that.element.find(tab);
} else {
tabs = $(tab);
}
contents = $();
tabs.each(function() {
if (/k-tabstrip-items/.test(this.parentNode.className)) {
var element = that.element.find("[id='" + this.getAttribute(ARIA_CONTROLS) + "']");
content = element;
} else {
content = $("<div class='" + CONTENT + "'/>");
}
contents = contents.add(content);
});
updateTabClasses(tabs);
}
return { tabs: tabs, contents: contents, newTabsCreated: newTabsCreated };
},
_current: function(candidate, preventFocus) {
var that = this,
focused = that._focused;
if (candidate === undefined$1) {
return focused;
}
if (focused && candidate && focused[0] === candidate[0]) {
focused = false;
}
if (focused) {
focused.removeClass(FOCUSEDSTATE);
}
if (candidate && !preventFocus) {
candidate.addClass(FOCUSEDSTATE);
}
that._focused = candidate;
},
_dataSource: function() {
var that = this;
if (that.dataSource && that._refreshHandler) {
that.dataSource.unbind("change", that._refreshHandler);
} else {
that._refreshHandler = that.refresh.bind(that);
}
that.dataSource = kendo.data.DataSource.create(that.options.dataSource)
.bind("change", that._refreshHandler);
},
_elementId: function(element, idx, tab) {
var elementId = element.attr("id"),
wrapperId = this.element.attr("id"),
guid = kendo.guid();
if (!elementId || elementId.indexOf(wrapperId + "-") > -1) {
var tabStripID = (wrapperId || guid) + "-";
if (tab) {
tabStripID += "tab-";
}
return tabStripID + (idx + 1);
}
return elementId;
},
_endItem: function(action) {
return this.tabGroup.children(NAVIGATABLEITEMS)[action]();
},
_getItem: function(action) {
return this.tabGroup.children(KEYBOARDNAVIGATABLEITEMS)[action]();
},
_initialActivate: function() {
var that = this,
selectedItems = that.tabGroup.children("li." + ACTIVESTATE),
content = that.contentHolder(selectedItems.index());
if (selectedItems[0] && content.length > 0 && content[0].childNodes.length === 0) {
that.activateTab(selectedItems.eq(0));
}
},
_item: function(item, action) {
var endItem;
if (action === PREV) {
endItem = "last";
} else {
endItem = "first";
}
if (!item) {
return this._endItem(endItem);
}
item = item[action]();
if (!item[0]) {
item = this.tabGroup.children(KEYBOARDNAVIGATABLEITEMS)[endItem]();
}
if (item.hasClass(DISABLEDSTATE)) {
item.addClass(FOCUSEDSTATE);
}
if (item.hasClass(DISABLEDSTATE) || item.hasClass(ACTIVESTATE)) {
this._focused = item;
}
return item;
},
_itemClick: function(e) {
var that = this,
tabGroup = that.tabGroup[0];
if (tabGroup !== document.activeElement) {
var msie = kendo.support.browser.msie;
if (msie) {
try {
// does not scroll to the active element
tabGroup.setActive();
} catch (j) {
tabGroup.focus();
}
} else {
tabGroup.focus();
}
}
if (that._click($(e.currentTarget))) {
e.preventDefault();
}
},
_keydown: function(e) {
var that = this,
key = e.keyCode,
current = that._current(),
rtl = that._isRtl,
isHorizontal = /top|bottom/.test(that.options.tabPosition),
action;
if (e.target != e.currentTarget || !current) {
return;
}
if (key === keys.DOWN && !isHorizontal) {
action = NEXT;
} else if (key === keys.UP && !isHorizontal) {
action = PREV;
} else if (key === keys.RIGHT && isHorizontal) {
action = rtl ? PREV : NEXT;
} else if (key === keys.LEFT && isHorizontal) {
action = rtl ? NEXT : PREV;
} else if (key == keys.ENTER || key == keys.SPACEBAR) {
that._click(current);
e.preventDefault();
} else if (key == keys.HOME) {
that._click(that._getItem("first"));
e.preventDefault();
return;
} else if (key == keys.END) {
that._click(that._getItem("last"));
e.preventDefault();
return;
}
if (action) {
that._click(that._item(current, action));
e.preventDefault();
}
},
_moveUrlItem: function(from, to) {
this._contentUrls.splice(to, 0, this._contentUrls.splice(from, 1)[0]);
},
_processContentUrls: function() {
var that = this;
if (that._contentUrls.length) {
that.tabGroup.children(".k-item.k-tabstrip-item")
.each(function(index, item) {
var url = that._contentUrls[index];
if (typeof url === 'string') {
$(item).find(">." + LINK).data(CONTENTURL, url);
}
});
} else {
that._contentUrls.length = that.tabGroup.find("li.k-item.k-tabstrip-item").length;
}
},
_removeUrlItem: function(index) {
this._contentUrls.splice(index, 1);
},
_resize: function() {
this._scrollable();
},
_getChildrenWidth: function(element) {
let width = 0;
element.children().each(function() {
width += outerWidth($(this));
});
return Math.floor(width);
},
_getChildrenHeight: function(element) {
let height = 0;
element.children().each(function() {
height += outerHeight($(this));
});
return Math.floor(height);
},
_scrollable: function() {
const that = this,
options = that.options,
scrollButtonsPosition = options.scrollable.scrollButtonsPosition,
scrollButtonsVisibility = options.scrollable.scrollButtons,
isHorizontal = options.tabPosition == "top" || options.tabPosition == "bottom",
isHidden = scrollButtonsVisibility === "hidden",
isVisible = scrollButtonsVisibility === "visible";
let wrapperOffset,
tabGroupScroll,
scrollPrevButton,
scrollNextButton;
if (that._scrollableAllowed()) {
that.wrapper.addClass("k-tabstrip-scrollable");
wrapperOffset = isHorizontal ? that.wrapper[0].offsetWidth : that.wrapper[0].offsetHeight;
tabGroupScroll = isHorizontal ? that.tabGroup[0].scrollWidth : that.tabGroup[0].scrollHeight;
const condition = isHorizontal ? (that._getChildrenWidth(that.tabGroup) > that.tabGroup.outerWidth()) : (that._getChildrenHeight(that.tabGroup) > that.tabGroup.outerHeight());
const enableScroll = (tabGroupScroll > wrapperOffset) || condition;
if (enableScroll && !that._scrollableModeActive && isHidden) {
that.tabGroup.addClass("k-tabstrip-items-scroll");
that.wrapper.addClass("k-tabstrip-scrollable-overlay");
that._scrollableModeActive = true;
that._toggleScrollButtons();
} else if ((enableScroll || isVisible) && !that._scrollableModeActive) {
that._nowScrollingTabs = false;
that._isRtl = kendo.support.isRtl(that.element);
const mouseDown = kendo.support.touch ? "touchstart" : "mousedown";
const mouseUp = kendo.support.touch ? "touchend" : "mouseup";
const browser = kendo.support.browser;
const isRtlScrollDirection = that._isRtl && !browser.msie && !browser.edge;
const prevIcon = isHorizontal ? "caret-alt-left" : "caret-alt-up";
const nextIcon = isHorizontal ? "caret-alt-right" : "caret-alt-down";
const scrollLeft = scrollButtonHtml("prev", prevIcon);
const scrollRight = scrollButtonHtml("next", nextIcon);
switch (scrollButtonsPosition) {
case 'split':
that.tabWrapper.prepend(scrollLeft);
that.tabWrapper.append(scrollRight);
break;
case 'start':
that.tabWrapper.prepend(scrollRight);
that.tabWrapper.prepend(scrollLeft);
break;
case 'end':
that.tabWrapper.append(scrollLeft);
that.tabWrapper.append(scrollRight);
break;
}
scrollPrevButton = that._scrollPrevButton = that.tabWrapper.children(".k-tabstrip-prev");
scrollNextButton = that._scrollNextButton = that.tabWrapper.children(".k-tabstrip-next");
scrollPrevButton.on(mouseDown + NS, function() {
that._nowScrollingTabs = true;
that._scrollTabsByDelta(options.scrollable.distance * (isRtlScrollDirection ? 1 : -1));
});
scrollNextButton.on(mouseDown + NS, function() {
that._nowScrollingTabs = true;
that._scrollTabsByDelta(options.scrollable.distance * (isRtlScrollDirection ? -1 : 1));
});
scrollPrevButton.add(scrollNextButton).on(mouseUp + NS, function() {
that._nowScrollingTabs = false;
});
that._scrollableModeActive = true;
that._toggleScrollButtons();
} else if (that._scrollableModeActive && !enableScroll && !isVisible) {
that._scrollableModeActive = false;
that._removeScrollableClasses();
that._scrollPrevButton && that._scrollPrevButton.off().remove();
that._scrollNextButton && that._scrollNextButton.off().remove();
} else if (!that._scrollableModeActive && !isVisible) {
that._removeScrollableClasses();
} else {
that._toggleScrollButtons();
}
}
},
_removeScrollableClasses: function() {
const that = this;
const isHidden = that.options.scrollable.scrollButtons === "hidden";
that.wrapper.removeClass("k-tabstrip-scrollable");
if (isHidden) {
that.wrapper.removeClass("k-tabstrip-scrollable-overlay");
that.wrapper.removeClass("k-tabstrip-scrollable-start");
that.wrapper.removeClass("k-tabstrip-scrollable-end");
that.tabGroup.removeClass("k-tabstrip-items-scroll");
}
},
_scrollableAllowed: function() {
var options = this.options;
if (options.scrollable && !options.scrollable.distance) {
options.scrollable = { distance: DEFAULTDISTANCE };
}
return options.scrollable && !isNaN(options.scrollable.distance);
},
_scrollTabsToItem: function(item) {
var that = this,
tabGroup = that.tabGroup,
isHorizontal = that.options.tabPosition == "top" || that.options.tabPosition == "bottom",
currentScrollOffset = isHorizontal ? kendo.scrollLeft(tabGroup) : tabGroup.scrollTop(),
itemSize = isHorizontal ? outerWidth(item) : outerHeight(item),
itemOffset = isHorizontal ? (that._isRtl ? item.position().left : item.position().left - tabGroup.children().first().position().left) : item.position().top,
tabGroupSize = isHorizontal ? tabGroup[0].offsetWidth : tabGroup[0].offsetHeight,
browser = kendo.support.browser,
itemPosition;
if (that._isRtl && isHorizontal && (browser.mozilla || (browser.webkit && browser.version >= 85))) {
currentScrollOffset = currentScrollOffset * -1;
}
if (that._isRtl && isHorizontal) {
if (itemOffset < 0) {
itemPosition = currentScrollOffset + ite