@progress/kendo-ui
Version:
This package is part of the [Kendo UI for jQuery](http://www.telerik.com/kendo-ui) suite.
1,503 lines (1,241 loc) • 95.7 kB
JavaScript
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
require('./kendo.treeview.js');
require('./kendo.popup.js');
require('./kendo.actionsheet.js');
require('./kendo.binder.js');
require('./kendo.html.chip.js');
require('./kendo.html.chiplist.js');
require('./kendo.html.button.js');
require('./kendo.html.input.js');
require('./kendo.label.js');
require('./kendo.icons.js');
var valueMapper = require('./valueMapper-q_OtZ-Tj.js');
var dropdownsLoader = require('./dropdowns-loader-Bc4IELFi.js');
require('./kendo.data.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.treeview.draganddrop.js');
require('./kendo.draganddrop.js');
require('./kendo.userevents.js');
require('./kendo.html.icon.js');
require('./kendo.html.base.js');
require('@progress/kendo-svg-icons');
require('./kendo.floatinglabel.js');
(function($, undefined$1) {
var kendo = window.kendo,
ui = kendo.ui,
keys = kendo.keys,
DISABLED = "k-disabled",
SELECT = "select",
CHECKED = "checked",
DATABOUND = "dataBound",
CLICK = "click",
NS = ".kendoTreeView",
INDETERMINATE = "indeterminate",
NAVIGATE = "navigate",
subGroup,
TreeView = ui.TreeView;
function contentChild(filter) {
return function(node) {
var result = node.children(".k-animation-container");
if (!result.length) {
result = node;
}
return result.children(filter);
};
}
subGroup = contentChild(".k-treeview-group");
var Tree = TreeView.extend({
init: function(element, options, dropdowntree) {
var that = this;
that.dropdowntree = dropdowntree;
TreeView.fn.init.call(that, element, options);
if (that.dropdowntree._isMultipleSelection()) {
that.wrapper.on(CLICK + NS, '.k-treeview-leaf.k-selected', that._clickSelectedItem.bind(that));
}
},
_checkOnSelect: function(e) {
if (!e.isDefaultPrevented()) {
var dataItem = this.dataItem(e.node);
dataItem.set("checked", !dataItem.checked);
}
},
_setCheckedValue: function(node, value) {
node.set(CHECKED, value);
},
_click: function(e) {
var that = this;
if (that.dropdowntree._isMultipleSelection()) {
that.one("select", that._checkOnSelect);
}
TreeView.fn._click.call(that, e);
},
_clickSelectedItem: function(e) {
var that = this,
node = $(e.currentTarget);
that.one("select", that._checkOnSelect);
if (!that._trigger(SELECT, node)) {
that.dataItem(node).set("selected", false);
}
},
defaultrefresh: function(e) {
var that = this;
var node = e.node;
var action = e.action;
var items = e.items;
var parentNode = this.wrapper;
var options = this.options;
var loadOnDemand = options.loadOnDemand;
var checkChildren = options.checkboxes && options.checkboxes.checkChildren;
var i;
if (this._skip) {
return;
}
if (e.field) {
if (!items[0] || !items[0].level) {
return;
}
return this._updateNodes(items, e.field);
}
if (node) {
parentNode = this.findByUid(node.uid);
this._progress(parentNode, false);
}
if (checkChildren && action != "remove") {
var bubble = false;
for (i = 0; i < items.length; i++) {
if ("checked" in items[i]) {
bubble = true;
break;
}
}
if (!bubble && node && node.checked) {
for (i = 0; i < items.length; i++) {
items[i].checked = true;
}
}
}
if (action == "add") {
this._appendItems(e.index, items, parentNode);
} else if (action == "remove") {
this._remove(this.findByUid(items[0].uid), false);
} else if (action == "itemchange") {
this._updateNodes(items);
} else if (action == "itemloaded") {
this._refreshChildren(parentNode, items, e.index);
} else {
this._refreshRoot(items);
}
if (action != "remove") {
for (i = 0; i < items.length; i++) {
if (!loadOnDemand || items[i].expanded) {
items[i].load();
}
}
}
that.wrapper.find(">ul").attr("role", "tree");
this.trigger(DATABOUND, { node: node ? parentNode : undefined$1 });
this.dropdowntree._treeViewDataBound({ node: node ? parentNode : undefined$1, sender: this });
if (this.options.checkboxes.checkChildren) {
this.updateIndeterminate();
}
},
_previousVisible: function(node) {
var that = this,
lastChild,
result;
if (!node.length || node.prev().length) {
if (node.length) {
result = node.prev();
} else {
result = that.root.children().last();
}
while (that._expanded(result)) {
lastChild = subGroup(result).children().last();
if (!lastChild.length) {
break;
}
result = lastChild;
}
} else {
result = that.parent(node) || node;
if (!result.length) {
if (that.dropdowntree.checkAll && that.dropdowntree.checkAll.is(":visible")) {
that.dropdowntree.checkAll.find(".k-checkbox").trigger("focus");
} else if (that.dropdowntree.filterInput) {
that.dropdowntree.filterInput.trigger("focus");
} else {
that.dropdowntree.wrapper.trigger("focus");
}
}
}
return result;
},
_keydown: function(e) {
var that = this,
key = e.keyCode,
target,
focused = that.current(),
expanded = that._expanded(focused),
checkbox = focused.find(".k-checkbox-wrap").first().find(":checkbox"),
rtl = kendo.support.isRtl(that.element);
if (e.target != e.currentTarget) {
return;
}
if ((!rtl && key == keys.RIGHT) || (rtl && key == keys.LEFT)) {
if (expanded) {
target = that._nextVisible(focused);
} else if (!focused.find(".k-treeview-leaf").first().hasClass(DISABLED)) {
that.expand(focused);
}
} else if ((!rtl && key == keys.LEFT) || (rtl && key == keys.RIGHT)) {
if (expanded && !focused.find(".k-treeview-leaf").first().hasClass(DISABLED)) {
that.collapse(focused);
} else {
target = that.parent(focused);
if (!that._enabled(target)) {
target = undefined$1;
}
}
} else if (key == keys.DOWN) {
target = that._nextVisible(focused);
} else if (key == keys.UP && !e.altKey) {
target = that._previousVisible(focused);
} else if (key == keys.HOME) {
target = that._nextVisible($());
} else if (key == keys.END) {
target = that._previousVisible($());
} else if (key == keys.ENTER && !focused.find(".k-treeview-leaf").first().hasClass(DISABLED)) {
if (!focused.find(".k-treeview-leaf").first().hasClass("k-selected")) {
if (!that._trigger(SELECT, focused)) {
that.select(focused);
}
}
} else if (key == keys.SPACEBAR && checkbox.length && !focused.find(".k-treeview-leaf").first().hasClass(DISABLED)) {
checkbox.prop(CHECKED, !checkbox.prop(CHECKED))
.data(INDETERMINATE, false)
.prop(INDETERMINATE, false);
that._checkboxChange({ target: checkbox });
target = focused;
} else if ((e.altKey && key === keys.UP) || key === keys.ESC) {
that._closePopup();
} else if ( key === keys.TAB) {
e.preventDefault();
that._closePopup();
}
if (target) {
e.preventDefault();
if (focused[0] != target[0]) {
that._trigger(NAVIGATE, target);
that.current(target);
that.scrollTo(target);
}
}
},
_closePopup: function() {
this.dropdowntree.close();
this.dropdowntree.wrapper.trigger("focus");
},
refresh: function(e) {
this.defaultrefresh(e);
if (this.dropdowntree.options.skipUpdateOnBind) {
return;
}
if (e.action === "itemchange") {
if (this.dropdowntree._isMultipleSelection()) {
if (e.field === "checked") {
this.dropdowntree._checkValue(e.items[0]);
}
} else if (e.field !== "checked" && e.field !== "expanded" && e.items[0].selected) {
this.dropdowntree._selectValue(e.items[0]);
}
} else {
this.dropdowntree.refresh(e);
}
}
});
kendo.ui._dropdowntree = Tree;
})(window.kendo.jQuery);
const __meta__ = {
id: "dropdowntree",
name: "DropDownTree",
category: "web",
description: "The DropDownTree widget displays a hierarchy of items and allows the selection of single or multiple items.",
depends: [ "treeview", "popup", "binder", "html.chip", "html.chiplist", "html.button", "html.input", "label", "icons", "actionsheet" ]
};
(function($, undefined$1) {
var kendo = window.kendo,
ui = kendo.ui,
html = kendo.html,
encode = kendo.htmlEncode,
mediaQuery = kendo.mediaQuery,
Widget = ui.Widget,
TreeView = ui._dropdowntree,
ObservableArray = kendo.data.ObservableArray,
ObservableObject = kendo.data.ObservableObject,
extend = $.extend,
activeElement = kendo._activeElement,
ns = ".kendoDropDownTree",
keys = kendo.keys,
support = kendo.support,
HIDDENCLASS = "k-hidden",
WIDTH = "width",
browser = support.browser,
outerWidth = kendo._outerWidth,
DOT = ".",
DISABLED = "disabled",
READONLY = "readonly",
STATEDISABLED = "k-disabled",
ARIA_DISABLED = "aria-disabled",
HOVER = "k-hover",
FOCUSED = "k-focus",
HOVEREVENTS = "mouseenter" + ns + " mouseleave" + ns,
TABINDEX = "tabindex",
CLICK = "click",
OPEN = "open",
CLOSE = "close",
CHANGE = "change",
quotRegExp = /"/g,
CHIP = ".k-chip";
function getterFunction(field) {
if (Array.isArray(field)) {
var count = field.length;
var levels = $.map(field, function(x) {
return function(d) { return d[x];};
});
return function(dataItem) {
var level = dataItem._level;
if (!level && level !== 0) {
return;
}
return levels[Math.min(level, count - 1)](dataItem);
};
} else {
return kendo.getter(field);
}
}
var DropDownTree = kendo.ui.Widget.extend( {
init: function(element, options) {
var that = this;
that.ns = ns;
kendo.ui.Widget.fn.init.call(that, element, options);
that._selection = that._getSelection();
that._focusInputHandler = that._focusInput.bind(that);
that._initial = that.element.val();
that._values = [];
var value = this.options.value;
if (value === null || !value.length) {
this._noInitialValue = true;
}
if (!this._isNullorUndefined(value)) {
this._valueMethodCalled = true;
value = this._isArrayOfObjects(value) && that.options.autoBind ? value.map(x=>x[that.options.dataValueField]) : value;
this._values = Array.isArray(value) ? value.slice(0) : [value];
}
that.bigScreenMQL = mediaQuery("large");
that.smallScreenMQL = mediaQuery("small");
if (that.options.adaptiveMode == "auto") {
that.smallScreenMQL.onChange(function() {
if (that.popup && kendo.isFunction(that.popup.fullscreen)) {
that.popup.fullscreen(that.smallScreenMQL.mediaQueryList.matches);
}
});
}
this._bindLoader();
this._inputTemplate();
this._accessors();
this._setTreeViewOptions(this.options);
this._dataSource();
this._selection._initWrapper();
this._applyCssClasses();
this._placeholder(true);
this._tabindex();
this.wrapper.data(TABINDEX, this.wrapper.attr(TABINDEX));
this.tree = $('<div/>')
.attr({
tabIndex: -1,
"aria-hidden": true
});
this.list = $("<div/>")
.append(this.tree);
this._header();
this._noData();
this._footer();
this._reset();
this._popup();
if (that.options.adaptiveMode == "auto") {
that.bigScreenMQL.onChange(() => {
that.list = $("<div class='k-list-container'/>")
.append(that.tree);
that._header.bind(that)();
that._noData.bind(that)();
that._footer.bind(that)();
that._reset.bind(that)();
if (that.popup) {
if (that.popup.wrapper) {
that.popup.wrapper.remove();
}
that.popup.destroy();
that.popup.element.remove();
that.popup = null;
}
if (that.treeview) {
that.treeview.destroy();
}
that._popup.bind(that)();
that._filterHeader.bind(that)();
that._treeview.bind(that)();
that._renderFooter.bind(that)();
that._checkAll.bind(that)();
that._enable.bind(that)();
that._toggleCloseVisibility.bind(that)();
that._aria.bind(that)();
});
}
this._clearButton();
this._filterHeader();
this._treeview();
this._renderFooter();
this._checkAll();
this._enable();
this._toggleCloseVisibility();
if (!this.options.autoBind) {
var text = options.text || "";
if (!this._isNullorUndefined(options.value)) {
this._preselect(options.value);
} else if (text) {
this._textAccessor(text);
} else if (options.placeholder) {
this._placeholder(true);
}
}
var disabled = $(this.element).parents("fieldset").is(':disabled');
if (disabled) {
this.enable(false);
}
this._valueMethodCalled = false;
if (this.options.label) {
this._label();
}
if (this.options.loadOnDemand && this.options.loadOnDemand.valueMapper && this.options.value) {
this.one('dataBound', () => this.requireValueMapper(this.options));
}
this._aria();
kendo.notify(this);
},
_bindLoader: function() {
const that = this;
that._initLoader = dropdownsLoader.initLoader.bind(that);
that._initLoader();
},
_label: function() {
var that = this;
var options = that.options;
var labelOptions = $.isPlainObject(options.label) ? options.label : {
content: options.label
};
that.label = new kendo.ui.Label(null, $.extend({}, labelOptions, {
widget: that,
floatCheck: that._floatCheck.bind(that)
}));
that._inputLabel = that.label.element;
},
_floatCheck: function() {
var hasValue = (this.value() && !this._isMultipleSelection()) || this.value().length || this.text();
return !hasValue && !this.popup.visible();
},
_refreshFloatingLabel: function() {
var that = this;
if (that.label && that.label.floatingLabel) {
that.label.floatingLabel.refresh();
}
},
_preselect: function(data, value) {
this._selection._preselect(data, value);
},
_setTreeViewOptions: function(options) {
var treeviewOptions = {
autoBind: options.autoBind,
checkboxes: options.checkboxes,
dataImageUrlField: options.dataImageUrlField,
dataSpriteCssClassField: options.dataSpriteCssClassField,
dataTextField: options.dataTextField,
dataUrlField: options.dataUrlField,
loadOnDemand: options.loadOnDemand,
size: options.size
};
this.options.treeview = $.extend({}, treeviewOptions, this.options.treeview);
if (options.template) {
this.options.treeview.template = options.template;
}
if (options.size) {
this.options.treeview.size = options.size;
}
},
_dataSource: function() {
const that = this;
const rootDataSource = that.options.dataSource;
that._requestStartHandler = that._showBusy;
that._requestEndHandler = that._hideBusy;
that._errorHandler = function() {
that._hideBusy();
};
that.dataSource = kendo.data.HierarchicalDataSource.create(rootDataSource).bind("progress", that._requestStartHandler)
.bind("error", that._errorHandler).bind("requestEnd", that._requestEndHandler);
if (rootDataSource) {
$.extend(that.options.treeview,{
dataSource: that.dataSource
});
}
},
_popupOpen: function() {
var popup = this.popup;
popup.wrapper = kendo.wrap(popup.element);
},
_getSelection: function() {
if (this._isMultipleSelection()) {
this.options._altname = "MultiSelectTree";
return new ui.DropDownTree.MultipleSelection(this);
} else {
return new ui.DropDownTree.SingleSelection(this);
}
},
setDataSource: function(dataSource) {
this._isDataSourceSet = true;
if (this._tags) {
this._noInitialValue = true;
this.setValue([]);
this._tags.empty();
this.span.show();
this._multipleTags.empty();
}
this.dataSource = dataSource;
this.treeview.setDataSource(dataSource);
this._isDataSourceSet = false;
},
_isMultipleSelection: function() {
return this.options && (this.options.treeview.checkboxes || this.options.checkboxes);
},
_isArrayOfObjects: function(value) {
return Array.isArray(value) && value.map(x=> typeof x == "object").includes(true);
},
options: {
name: "DropDownTree",
adaptiveMode: "none",
animation: {},
autoBind: true,
autoClose: true,
autoWidth: false,
clearButton: true,
dataTextField: "",
dataValueField: "",
dataImageUrlField: "",
dataSpriteCssClassField: "",
dataUrlField: "",
delay: 500,
enabled: true,
enforceMinLength: false,
filter: "none",
height: 200,
ignoreCase: true,
index: 0,
loadOnDemand: false,
messages: {
"singleTag": "item(s) selected",
"clear": "clear",
"deleteTag": "delete",
"noData": "No data found."
},
minLength: 1,
checkboxes: false,
noDataTemplate: true,
placeholder: "",
checkAll: false,
checkAllTemplate: () => "Check all",
tagMode: "multiple",
template: null,
text: null,
treeview: {},
valuePrimitive: false,
footerTemplate: () => "",
headerTemplate: () => "",
value: null,
valueTemplate: null,
popup: null,
filterLabel: null,
size: "medium",
fillMode: "solid",
rounded: "medium",
label: null
},
events: [
"open",
"close",
"dataBound",
CHANGE,
"select",
"filtering"
],
focus: function() {
this.wrapper.trigger("focus");
},
dataItem: function(node) {
return this.treeview.dataItem(node);
},
readonly: function(readonly) {
this._editable({
readonly: readonly === undefined$1 ? true : readonly,
disable: false
});
this._toggleCloseVisibility();
if (this.label && this.label.floatingLabel) {
this.label.floatingLabel.readonly(readonly === undefined$1 ? true : readonly);
}
},
enable: function(enable) {
this._editable({
readonly: false,
disable: !(enable = enable === undefined$1 ? true : enable)
});
this._toggleCloseVisibility();
if (this.label && this.label.floatingLabel) {
this.label.floatingLabel.enable(enable = enable === undefined$1 ? true : enable);
}
},
toggle: function(open) {
this._toggle(open);
},
open: function() {
var popup = this.popup;
if (!this.options.autoBind && !this.dataSource.data().length) {
this.treeview._progress(true);
if (this._isFilterEnabled()) {
this._search();
} else {
this.dataSource.fetch();
}
}
if (popup.visible() || !this._allowOpening()) {
return;
}
popup.one("activate", this._focusInputHandler);
popup._hovered = true;
popup.open();
},
close: function() {
this.popup.close();
},
search: function(word) {
var options = this.options;
var filter;
clearTimeout(this._typingTimeout);
if ((!options.enforceMinLength && !word.length) || word.length >= options.minLength) {
filter = this._getFilter(word);
if (this.trigger("filtering", { filter: filter }) ||
Array.isArray(this.options.dataTextField)) {
return;
}
this._filtering = true;
this.treeview.dataSource.filter(filter);
}
},
_mapValuesToId: function(values) {
const that = this;
if (typeof that.dataSource.options.schema.model === 'function') {
throw new Error("The valueMapper needs dataSource.schema");
}
const field = that.dataSource.options.schema.model.id;
return values.map((item) => item[field]);
},
requireValueMapper: function(options, value) {
const that = this;
let hasValue = value ? value : options.value;
hasValue = hasValue && (hasValue instanceof Array ? hasValue : [hasValue]);
if (hasValue && options.loadOnDemand && typeof options.loadOnDemand.valueMapper !== "function") {
throw new Error("ValueMapper is not provided while the value is being set. See http://docs.telerik.com/kendo-ui/controls/editors/combobox/virtualization#the-valuemapper-function");
}
if (hasValue.length) {
let index = 0;
that.options.loadOnDemand.valueMapper(valueMapper.valueMapperOptions(that.options, hasValue, that._useValueMapper.bind(that, hasValue, index)));
}
},
_useValueMapper: function(data, index, response) {
const that = this;
const deferred = $.Deferred();
that._deferred = deferred;
that._handleValueMapperData(index, response);
deferred.done(() => {
index++;
if (index < data.length) {
that._useValueMapper(data, index, response);
}
});
},
_handleValueMapperData: function(index, data) {
const that = this;
const response = data[index] instanceof Array ? data[index] : data;
if (!response || !response.length) {
return;
}
let idIndex = 0;
that._loadItem(response, idIndex);
},
_loadItem: function(data, index) {
const that = this;
const node = that.dataSource.get(data[index]);
if (node) {
node.load().done(() => {
index++;
if (index < data.length - 1) {
that._loadItem(data, index);
} else {
that._deferred.resolve();
}
});
}
},
_getFilter: function(word) {
return {
field: this.options.dataTextField,
operator: this.options.filter,
value: word,
ignoreCase: this.options.ignoreCase
};
},
refresh: function() {
var data = this.treeview.dataSource.flatView();
this._renderFooter();
this._renderNoData();
if (this.filterInput && this.checkAll) {
this.checkAll.toggle(!this.filterInput.val().length);
}
this.tree.toggle(!!data.length);
$(this.noData).toggle(!data.length);
},
setOptions: function(options) {
if (this.options.checkboxes != options.checkboxes) {
delete options.checkboxes;
window.console.warn('setOptions method can not be used to set the checkboxes option in DropDownTree');
}
Widget.fn.setOptions.call(this, options);
this._setTreeViewOptions(options);
this._dataSource();
if (this.options.treeview || options.size) {
this.treeview.destroy();
this._treeview();
}
if (options.height && this.tree) {
this.tree.css('max-height', options.height);
}
this._header();
this._noData();
this._footer();
this._renderFooter();
this._renderNoData();
if (this.span && (this._isMultipleSelection() || this.span.hasClass("k-readonly"))) {
this._placeholder(true);
}
this._inputTemplate();
this._accessors();
this._filterHeader();
this._checkAll();
this._enable();
if (options && (options.enable || options.enabled)) {
this.enable(true);
}
this._clearButton();
if (options === undefined$1 || options === null) {
options = {};
}
if (options.label && this._inputLabel) {
this.label.setOptions(options.label);
} else if (options.label === false) {
this.label._unwrapFloating();
this._inputLabel.remove();
delete this._inputLabel;
} else if (options.label) {
this._label();
}
this._aria();
},
destroy: function() {
kendo.ui.Widget.fn.destroy.call(this);
if (this.treeview) {
this.treeview.destroy();
}
this.popup.destroy();
this.wrapper.off(ns);
this._clear.off(ns);
if (this.filterInput) {
this.filterInput.off(ns);
}
if (this.tagList) {
this.tagList.off(ns);
}
if (this.bigScreenMQL) {
this.bigScreenMQL.destroy();
}
if (this.smallScreenMQL) {
this.smallScreenMQL.destroy();
}
kendo.unbind(this.tagList);
if (this.options.checkAll && this.checkAll) {
this.checkAll.off(ns);
}
if (this._form) {
this._form.off("reset", this._resetHandler);
}
if (this.label) {
this.label.destroy();
}
},
setValue: function(value) {
value = Array.isArray(value) || value instanceof ObservableArray ? value.slice(0) : [value];
this._values = value;
},
items: function() {
return this.treeview.items();
},
_useValueMapperWithValue: function(value) {
const that = this;
let values = value instanceof Array ? value : [value];
if (typeof values[0] === 'object') {
values = that._mapValuesToId(values);
}
that.requireValueMapper(this.options, values);
that._deferred.done(() => {
that._selection._setValue(values);
});
},
value: function(value) {
const that = this;
const loadOnDemand = that.options.loadOnDemand;
if (value) {
if (that.filterInput && that.dataSource._filter) {
that._filtering = true;
that.dataSource.filter({});
} else if (!that.dataSource.data().length || !that.treeview.dataSource.data().length) {
if (!loadOnDemand) {
that.treeview.one('loadCompleted', function() {
that._selection._setValue(value);
});
if (!that.options.autoBind && that.options.valuePrimitive) {
that.dataSource.fetch();
}
} else if (loadOnDemand.valueMapper) {
that.one('dataBound', () => {
that._useValueMapperWithValue(value);
});
} else {
that.dataSource.fetch(function() {
that._selection._setValue(value);
});
}
return;
} else if (loadOnDemand && loadOnDemand.valueMapper) {
that._useValueMapperWithValue(value);
return;
}
}
return that._selection._setValue(value);
},
text: function(text) {
var loweredText;
var ignoreCase = this.options.ignoreCase;
text = text === null ? "" : text;
if (text !== undefined$1 && !this._isMultipleSelection()) {
if (typeof text !== "string") {
this._textAccessor(text);
return;
}
loweredText = ignoreCase ? text : text.toLowerCase();
this._selectItemByText(loweredText);
this._textAccessor(loweredText);
this._refreshFloatingLabel();
} else {
return this._textAccessor();
}
},
_aria: function() {
this.wrapper.find("span.k-input-inner");
this.wrapper.attr({
"aria-haspopup": "tree",
"aria-expanded": false,
"aria-controls": this.treeview.element.attr("id"),
"role": "combobox"
});
this._activeId = kendo.guid();
this._ariaLabel(this.wrapper);
if (this.filterInput && this.options.filterLabel) {
this.filterInput.attr("aria-label", this.options.filterLabel);
}
if (this.options.checkboxes) {
this.wrapper.attr({
"aria-describedby": this.tagList[0].id
});
this.tagList.attr({
"role": "listbox",
"aria-orientation": "horizontal",
"aria-multiselectable": true
});
this._ariaLabel(this.tagList);
}
},
_header: function() {
var list = this;
var header = $(list.header);
var template = list.options.headerTemplate;
kendo.destroy(header);
header.remove();
if (!template) {
list.header = null;
return;
}
var headerTemplate = typeof template !== "function" ? kendo.template(template) : template;
header = $(headerTemplate({}));
list.header = header[0] ? header : null;
list.list.prepend(header);
},
_noData: function() {
var list = this;
var noData = $(list.noData);
var template = list.options.noDataTemplate === true ? encode(list.options.messages.noData) : list.options.noDataTemplate;
kendo.destroy(noData);
noData.remove();
if (!template) {
list.noData = null;
return;
}
list.noData = $('<div class="k-no-data"></div>').hide().appendTo(list.list);
list.noDataTemplate = typeof template !== "function" ? kendo.template(() => template) : template;
},
_renderNoData: function() {
var list = this;
var noData = list.noData;
if (!noData) {
return;
}
noData.html(list.noDataTemplate({ instance: list }));
},
_footer: function() {
var list = this;
var footer = $(list.footer);
var template = list.options.footerTemplate;
kendo.destroy(footer);
footer.remove();
if (!template) {
list.footer = null;
return;
}
list.footer = $('<div class="k-footer"></div>').appendTo(list.list);
list.footerTemplate = typeof template !== "function" ? kendo.template(template) : template;
},
_renderFooter: function() {
var list = this;
var footer = list.footer;
if (!footer) {
return;
}
footer.html(list.footerTemplate({ instance: list }));
},
_enable: function() {
var that = this,
options = that.options,
disabled = that.element.is("[disabled]");
if (options.enable !== undefined$1) {
options.enabled = options.enable;
}
if (!options.enabled || disabled) {
that.enable(false);
} else {
that.readonly(that.element.is("[readonly]"));
}
},
_adjustListWidth: function() {
var that = this,
list = that.list,
width = list[0].style.width,
wrapper = that.wrapper,
computedStyle, computedWidth;
if (!list.data(WIDTH) && width) {
return;
}
computedStyle = window.getComputedStyle ? window.getComputedStyle(wrapper[0], null) : 0;
computedWidth = parseFloat(computedStyle && computedStyle.width) || outerWidth(wrapper);
if (computedStyle && browser.msie) { // getComputedStyle returns different box in IE.
computedWidth += parseFloat(computedStyle.paddingLeft) + parseFloat(computedStyle.paddingRight) + parseFloat(computedStyle.borderLeftWidth) + parseFloat(computedStyle.borderRightWidth);
}
if (list.css("box-sizing") !== "border-box") {
width = computedWidth - (outerWidth(list) - list.width());
} else {
width = computedWidth;
}
list.css({
fontFamily: wrapper.css("font-family"),
width: that.options.autoWidth ? "auto" : width,
minWidth: width,
whiteSpace: that.options.autoWidth ? "nowrap" : "normal"
})
.data(WIDTH, width);
return true;
},
_reset: function() {
var that = this,
element = that.element,
formId = element.attr("form"),
form = formId ? $("#" + formId) : element.closest("form");
if (form[0]) {
that._resetHandler = function() {
setTimeout(function() {
that.value(that._initial);
});
};
that._form = form.on("reset", that._resetHandler);
}
},
_hasActionSheet: function() {
return this.options.adaptiveMode === "auto" && !this.bigScreenMQL.mediaQueryList.matches;
},
_popup: function() {
var that = this;
var list = this;
if (that.options.checkboxes) {
if (that.options.checkAll) {
that.list.attr("role", "application");
}
that.list.addClass("k-multiselecttree-popup");
} else {
that.list.addClass("k-dropdowntree-popup");
}
if (list.options.adaptiveMode == "auto" && !list.bigScreenMQL.mediaQueryList.matches) {
$(document.body).append(list.list);
list.popup = new ui.ActionSheet(list.list, {
adaptive: true,
hideOverflowContent: true,
headerTemplate: (options) =>
`<div class="k-text-center k-actionsheet-titlebar" >` +
'<div class="k-actionsheet-titlebar-group k-hbox">' +
`<div class="k-actionsheet-title">` +
`<div class="k-text-center">${list.label ? list.label.element.text() : list.options.label || list.options.placeholder || "Select"}</div>` +
(list.options.placeholder && (list.label || list.options.label) ? `<div class="k-actionsheet-subtitle k-text-center">${list.options.placeholder || ""}</div>` : "") +
'</div>' +
(options.closeButton ?
'<div class="k-actionsheet-actions">' +
kendo.html.renderButton(`<button tabindex="-1" ${kendo.attr("ref-actionsheet-close-button")}></button>`, { icon: "x", fillMode: "flat", size: "large" }) +
'</div>'
: "") +
'</div>' +
(this._isFilterEnabled() ? `<div class="k-actionsheet-titlebar-group k-actionsheet-filter"></div>` : '') +
'</div>',
closeButton: true,
focusOnActivate: false,
fullscreen: list.smallScreenMQL.mediaQueryList.matches,
popup: extend({}, list.options.popup, {
anchor: list.wrapper,
open: list._openHandler.bind(list),
close: list._closeHandler.bind(list),
animation: list.options.animation,
isRtl: support.isRtl(list.wrapper),
autosize: list.options.autoWidth,
}),
deactivate: () => {
this._refreshFloatingLabel();
},
activate: () => {
this._refreshFloatingLabel();
}
});
} else {
list.popup = new ui.Popup(list.list, extend({}, list.options.popup, {
anchor: list.wrapper,
open: list._openHandler.bind(list),
close: list._closeHandler.bind(list),
animation: list.options.animation,
isRtl: support.isRtl(list.wrapper),
autosize: list.options.autoWidth,
deactivate: () => {
this._refreshFloatingLabel();
},
activate: () => {
this._refreshFloatingLabel();
}
}));
list.popup.one("open", list._popupOpen.bind(list));
}
},
_allowOpening: function() {
return this.options.noDataTemplate || this.treeview.dataSource.flatView().length;
},
_placeholder: function(show) {
if (this.span) {
this.span.toggleClass("k-readonly", show).text(show ? this.options.placeholder : "");
}
},
_currentValue: function(dataItem) {
var currentValue = this._value(dataItem);
if (!currentValue && currentValue !== 0) {
currentValue = dataItem;
}
return currentValue;
},
_checkValue: function(dataItem) {
var value = "";
var indexOfValue = -1;
var currentValue = this.value();
var isMultiple = this.options.tagMode === "multiple";
if (dataItem || dataItem === 0) {
if (dataItem.level) {
dataItem._level = dataItem.level();
}
value = this._currentValue(dataItem);
indexOfValue = currentValue.indexOf(value);
}
if (dataItem.checked) {
var alreadyAddedTag = $.grep(this._tags, function( item ) {
return item.uid === dataItem._tagUid;
});
if (alreadyAddedTag.length) {
return;
}
var itemToAdd = new ObservableObject(dataItem.toJSON());
dataItem._tagUid = itemToAdd.uid;
this._tags.push(itemToAdd);
if (this._tags.length === 1) {
this.span.hide();
if (!isMultiple) {
this._multipleTags.push(itemToAdd);
}
}
if (indexOfValue === -1) {
currentValue.push(value);
this.setValue(currentValue);
}
} else {
var itemToRemove = this._tags.find(function(item) {
return item.uid === dataItem._tagUid;
});
var idx = this._tags.indexOf(itemToRemove);
if (idx !== -1) {
this._tags.splice(idx, 1);
} else {
this._treeViewCheckAllCheck(dataItem);
return;
}
if (this._tags.length === 0) {
this.span.show();
if (!isMultiple) {
this._multipleTags.splice(0, 1);
}
}
if (indexOfValue !== -1) {
currentValue.splice(indexOfValue, 1);
this.setValue(currentValue);
}
}
this._treeViewCheckAllCheck(dataItem);
if (!this._preventChangeTrigger && !this._valueMethodCalled && !this.dataSource._requestInProgress) {
this.trigger(CHANGE);
}
if (this.options.autoClose && this.popup.visible()) {
this.close();
this.wrapper.trigger("focus");
}
this.popup.position();
this._toggleCloseVisibility();
this._updateSelectedOptions();
},
_updateSelectedOptions: function() {
if (this.element[0].tagName.toLowerCase() !== 'select') {
return;
}
var selectedItems = this._tags;
var options = '';
var dataItem = null;
var value = null;
if (selectedItems.length) {
for (var idx = 0; idx < selectedItems.length; idx++) {
dataItem = selectedItems[idx];
value = this._value(dataItem);
options += this._option(value, this._text(dataItem), true);
}
}
this.element.html(options);
},
_option: function(dataValue, dataText, selected) {
var option = "<option";
if (dataValue !== undefined$1) {
dataValue += "";
if (dataValue.indexOf('"') !== -1) {
dataValue = dataValue.replace(quotRegExp, """);
}
option += ' value="' + dataValue + '"';
}
if (selected) {
option += ' selected';
}
option += ">";
if (dataText !== undefined$1) {
option += kendo.htmlEncode(dataText);
}
return option += "</option>";
},
_selectValue: function(dataItem) {
var value = "";
var text = "";
if (dataItem || dataItem === 0) {
if (dataItem.level) {
dataItem._level = dataItem.level();
}
text = this._text(dataItem) || dataItem;
value = this._currentValue(dataItem);
}
if (value === null) {
value = "";
}
this.setValue(value);
this._textAccessor(text, dataItem);
this._accessor(value);
if (!this._preventChangeTrigger && !this._valueMethodCalled) {
this.trigger(CHANGE);
}
this._valueMethodCalled = false;
if (this.options.autoClose && this.popup.visible()) {
this.close();
this.wrapper.trigger("focus");
}
this.popup.position();
this._toggleCloseVisibility();
},
_clearClick: function(e) {
e.stopPropagation();
this.wrapper.trigger("focus");
this._clearTextAndValue();
},
_clearTextAndValue: function() {
var shouldTrigger = this._selection._clearValue();
this.setValue([]);
this._clearInput();
this._clearText();
this.popup.position();
this._toggleCloseVisibility();
this._refreshFloatingLabel();
if (shouldTrigger) {
this.trigger(CHANGE);
}
},
_clearText: function() {
if (this.options.placeholder) {
this._placeholder(true);
} else {
if (this.span) {
this.span.html("");
}
}
},
_inputTemplate: function() {
var template = this.options.valueTemplate;
if (!template) {