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kendo.list.js
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import "./kendo.data.js";
import "./kendo.popup.js";
import "./kendo.label.js";
import "./kendo.icons.js";
import "./kendo.actionsheet.js";
import { initLoader } from "./utils/dropdowns-loader.js";
export const __meta__ = {
id: "list",
name: "List",
category: "framework",
depends: [ "data", "popup", "label", "icons", "actionsheet" ],
hidden: true
};
(function($, undefined) {
var kendo = window.kendo,
ui = kendo.ui,
outerHeight = kendo._outerHeight,
percentageUnitsRegex = /^\d+(\.\d+)?%$/i,
Widget = ui.Widget,
keys = kendo.keys,
support = kendo.support,
htmlEncode = kendo.htmlEncode,
activeElement = kendo._activeElement,
outerWidth = kendo._outerWidth,
ObservableArray = kendo.data.ObservableArray,
ID = "id",
CHANGE = "change",
FOCUSED = "k-focus",
HOVER = "k-hover",
KSELECTED = "k-selected",
LIST = "k-list",
TABLE = "k-table",
DATA_TABLE = "k-data-table",
TABLE_MD = "k-table-md",
LIST_UL = "k-list-ul",
TABLE_LIST = "k-table-list",
FIXED_GROUP_HEADER = ".k-list-group-sticky-header",
GROUP_LABEL = ".k-list-item-group-label",
ITEMSELECTOR = ".k-list-item",
ITEMSELECTORTABLE = ".k-table-row",
OPEN = "open",
CLOSE = "close",
CASCADE = "cascade",
SELECT = "select",
CLICK = "click",
MOUSELEAVE = "mouseleave",
MOUSEENTER = "mouseenter",
ACTIVATE = "activate",
DEACTIVATE = "deactivate",
DATA_BINDING = "dataBinding",
DATA_BOUND = "dataBound",
SELECTED_ITEM_CHANGE = "selectedItemChange",
SELECTED = "selected",
REQUESTSTART = "requestStart",
REQUESTEND = "requestEnd",
BLUR = "blur",
FOCUS = "focus",
FOCUSOUT = "focusout",
extend = $.extend,
isArray = Array.isArray,
browser = support.browser,
HIDDENCLASS = "k-hidden",
WIDTH = "width",
TEXT = "text",
VALUE = "value",
isIE = browser.msie,
quotRegExp = /"/g,
alternativeNames = {
"ComboBox": [ "DropDownList", "MultiColumnComboBox" ],
"DropDownList": [ "ComboBox", "MultiColumnComboBox" ],
"MultiColumnComboBox": [ "ComboBox", "DropDownList" ]
},
UL_EL = '<ul unselectable="on"/>',
LIST_EL = "<div class='k-list'/>",
NO_DATA_EL = '<div class="k-no-data"></div>',
LIST_FOOTER_EL = '<div class="k-list-footer"></div>',
TABLE_FOOTER_EL = '<div class="k-table-footer">' +
'<span class="k-table-td"></span>' +
'</div>',
MOUSEDOWN = "mousedown",
LIST_SUFFIX = "-list",
LISTBOX_SUFFIX = "_listbox",
ARIA_LABELLEDBY = "aria-labelledby",
ARIA_LABEL = "aria-label",
ARIA_ACTIVEDESCENDANT = "aria-activedescendant",
ARIA_AUTOCOMPLETE = "aria-autocomplete",
ARIA_CONTROLS = "aria-controls",
ARIA_LIVE = "aria-live",
ARIA_EXPANDED = "aria-expanded",
ARIA_HIDDEN = "aria-hidden",
ARIA_MULTISELECTABLE = "aria-multiselectable",
ARIA_SELECTED = "aria-selected",
GROUP_ROW_SEL = ".k-table-group-row",
ACTIONSHEET_TITLEBAR = ".k-actionsheet-titlebar";
var List = kendo.ui.DataBoundWidget.extend({
init: function(element, options) {
var that = this,
id;
Widget.fn.init.call(that, element, options);
element = that.element;
options = that.options;
that._isSelect = element.is(SELECT);
if (that._isSelect && that.element[0].length) {
if (!options.dataSource) {
options.dataTextField = options.dataTextField || TEXT;
options.dataValueField = options.dataValueField || VALUE;
}
}
if (options.adaptiveMode === "auto") {
that.largeMQL = kendo.mediaQuery("large");
that.mediumMQL = kendo.mediaQuery("medium");
that.smallMQL = kendo.mediaQuery("small");
}
that._bindLoader();
that._listSize = kendo.cssProperties.getValidClass({
widget: "List",
propName: "size",
value: options.size
});
that._filterHeader();
that.ul = $(UL_EL).attr({
tabIndex: -1,
"aria-hidden": true
});
that.list = $(LIST_EL)
.addClass(that._listSize)
.append(that.ul);
id = element.attr(ID);
if (!id) {
id = kendo.guid();
}
that.list.attr(ID, id + LIST_SUFFIX);
that.ul.attr(ID, id + LISTBOX_SUFFIX);
if (options.columns && options.columns.length) {
that.list.removeClass(LIST).addClass(DATA_TABLE);
that.list.removeClass(that._listSize).addClass(TABLE_MD);
that.ul.removeClass(LIST_UL).addClass(TABLE);
that._columnsHeader();
}
that._header();
that._noData();
that._footer();
that._accessors();
that._initValue();
},
options: {
valuePrimitive: false,
footerTemplate: "",
headerTemplate: "",
noDataTemplate: true,
size: "medium",
messages: {
"noData": "No data found.",
"clear": "clear"
},
adaptiveMode: "none"
},
setOptions: function(options) {
Widget.fn.setOptions.call(this, options);
if (options && options.enable !== undefined) {
options.enabled = options.enable;
}
if (options.columns && options.columns.length) {
this._columnsHeader();
}
this._header();
this._noData();
this._footer();
this._renderFooter();
this._renderNoData();
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();
}
},
_bindLoader: function() {
const that = this;
that._initLoader = initLoader.bind(that);
that._initLoader();
},
focus: function() {
this._focused.trigger(FOCUS);
},
readonly: function(readonly) {
this._editable({
readonly: readonly === undefined ? true : readonly,
disable: false
});
if (this.label && this.label.floatingLabel) {
this.label.floatingLabel.readonly(readonly === undefined ? true : readonly);
}
},
enable: function(enable) {
this._editable({
readonly: false,
disable: !(enable = enable === undefined ? true : enable)
});
if (this.label && this.label.floatingLabel) {
this.label.floatingLabel.enable(enable = enable === undefined ? true : enable);
}
},
_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;
that._refreshFloatingLabel();
},
_floatCheck: function() {
if (this.listView) {
var hasValue = this.value() || (this.text ? this.text() : false);
return !hasValue && !this.popup.visible();
}
return true;
},
_refreshFloatingLabel: function() {
var that = this;
if (that.label && that.label.floatingLabel) {
that.label.floatingLabel.refresh();
}
},
_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 = $(headerTemplate({}));
list.header = header[0] ? header : null;
if (list.list.parent.length > 0) {
list.list.before(header);
}
},
_filterHeader: function() {
this.filterTemplate = '<div class="k-list-filter">' +
'<span class="k-searchbox k-input k-input-md k-rounded-md k-input-solid" type="text" autocomplete="off">' +
kendo.ui.icon({ icon: "search", iconClass: "k-input-icon" }) +
'</span>' +
'</div>';
this.actionSheetFilterTemplate = `<div class="k-actionsheet-titlebar-group k-actionsheet-filter">${this.filterTemplate}</div>`;
if (this._isFilterEnabled()) {
this.filterInput = $('<input class="k-input-inner" type="text" />')
.attr({
placeholder: this.element.attr("placeholder"),
title: this.options.filterTitle || this.element.attr("title"),
role: "searchbox",
"aria-label": this.options.filterTitle,
"aria-haspopup": "listbox",
"aria-autocomplete": "list"
});
}
},
_columnsHeader: function() {
var list = this;
var $header;
var columnsHeader = $(list.columnsHeader);
kendo.destroy(columnsHeader);
columnsHeader.remove();
var header = "<div class='k-table-header'><div class='k-table-header-wrap'><table class='k-table' role='presentation'>";
var colGroup = "<colgroup>";
var row = "<tr class='k-table-row'>";
for (var idx = 0; idx < this.options.columns.length; idx++) {
var currentColumn = this.options.columns[idx];
var title = currentColumn.title || currentColumn.field || "";
var titleFunc = () => title;
var template = currentColumn.headerTemplate || titleFunc;
var columnsHeaderTemplate = typeof template !== "function" ? kendo.template(template) : template;
var currentWidth = currentColumn.width;
var currentWidthInt = parseInt(currentWidth, 10);
var widthStyle = '';
if (currentWidth && !isNaN(currentWidthInt)) {
widthStyle += `${kendo.attr('style-width')}="${currentWidthInt}${percentageUnitsRegex.test(currentWidth) ? "%" : "px"}"`;
}
colGroup += "<col " + widthStyle + "/>";
row += "<th class='k-table-th'>";
row += columnsHeaderTemplate(currentColumn);
row += "</th>";
}
colGroup += "</colgroup>";
row += "</tr>";
header += colGroup;
header += "<thead class='k-table-thead'>";
header += row;
header += "</thead></table></div></div>";
$header = $(header);
kendo.applyStylesFromKendoAttributes($header, ["width"]);
list.columnsHeader = columnsHeader = $header;
list.list.prepend(columnsHeader);
},
_noData: function() {
var list = this;
var noData = $(list.noData);
var template = list.options.noDataTemplate === true ? () => htmlEncode(list.options.messages.noData) : list.options.noDataTemplate;
kendo.destroy(noData);
noData.remove();
if (!template) {
list.noData = null;
return;
}
list.noData = $(NO_DATA_EL).hide().appendTo(list.list);
list.noDataTemplate = typeof template !== "function" ? kendo.template(template) : template;
},
_footer: function() {
var list = this;
var footer = $(list.footer);
var template = list.options.footerTemplate;
var footerEl = this.options.columns && this.options.columns.length ? TABLE_FOOTER_EL : LIST_FOOTER_EL;
kendo.destroy(footer);
footer.remove();
if (!template) {
list.footer = null;
return;
}
list.footer = $(footerEl).appendTo(list.list);
list.footerTemplate = typeof template !== "function" ? kendo.template(template) : template;
},
_listOptions: function(options) {
var that = this;
var currentOptions = that.options;
var virtual = currentOptions.virtual;
var changeEventOption = { change: that._listChange.bind(that) };
var listBoundHandler = that._listBound.bind(that);
var focusedElm = that._focused;
var inputId = that.element.attr("id");
var labelElm = $("label[for=\"" + that.element.attr("id") + "\"]");
var labelledBy = focusedElm.attr(ARIA_LABELLEDBY);
if (!labelledBy && labelElm.length) {
labelledBy = labelElm.attr("id") || that._generateLabelId(labelElm, inputId || kendo.guid());
}
virtual = typeof virtual === "object" ? virtual : {};
options = $.extend({
autoBind: false,
selectable: true,
dataSource: that.dataSource,
click: that._click.bind(that),
activate: that._activateItem.bind(that),
columns: currentOptions.columns,
deactivate: that._deactivateItem.bind(that),
dataBinding: function() {
that.trigger(DATA_BINDING);
},
dataBound: listBoundHandler,
height: currentOptions.height,
dataValueField: currentOptions.dataValueField,
dataTextField: currentOptions.dataTextField,
groupTemplate: currentOptions.groupTemplate,
fixedGroupTemplate: currentOptions.fixedGroupTemplate,
template: currentOptions.template,
ariaLabel: focusedElm.attr(ARIA_LABEL),
ariaLabelledBy: labelledBy,
listSize: that._listSize
}, options, virtual, changeEventOption);
if (!options.template) {
options.template = (data) => htmlEncode(kendo.getter(options.dataTextField)(data));
}
return options;
},
_initList: function(opts) {
var that = this;
var skipValueUpdate = opts && opts.skipValueUpdate;
var listOptions = that._listOptions({
selectedItemChange: that._listChange.bind(that)
});
if (!that.options.virtual) {
that.listView = new kendo.ui.StaticList(that.ul, listOptions);
} else {
that.listView = new kendo.ui.VirtualList(that.ul, Object.assign(listOptions, {
height: that._hasActionSheet() ? 362 : that.options.height, // Hardcoded virtual list height for action sheet untill better solution is found
}));
that.list.addClass("k-virtual-list");
}
that.listView.bind("listBound", that._listBound.bind(that));
if (!skipValueUpdate) {
that._setListValue();
}
},
_setListValue: function(value) {
value = value || this.options.value;
if (value !== undefined) {
this.listView.value(value)
.done(this._updateSelectionState.bind(this));
}
},
_updateSelectionState: $.noop,
_listMousedown: function(e) {
if (!this.filterInput || this.filterInput[0] !== e.target) {
e.preventDefault();
}
},
_isFilterEnabled: function() {
var filter = this.options.filter;
return filter && filter !== "none";
},
_hideClear: function() {
var list = this;
if (list._clear) {
list._clear.addClass(HIDDENCLASS);
}
},
_showClear: function() {
if (this._clear) {
this._clear.removeClass(HIDDENCLASS);
}
},
_clearValue: function() {
this._clearText();
this._accessor("");
this.listView.value([]);
if (this._isSelect) {
this._customOption = undefined;
}
if (this._isFilterEnabled() && !this.options.enforceMinLength) {
this._filter({ word: "", open: false });
if (this.options.highlightFirst) {
this.listView.focus(0);
}
}
this._change();
},
_clearText: function() {
this.text("");
},
_clearFilter: function() {
if (!this.options.virtual) {
this.listView.bound(false);
}
this._filterSource();
},
_filterSource: function(filter, force) {
var that = this;
var options = that.options;
var isMultiColumnFiltering = options.filterFields && filter && filter.logic && filter.filters && filter.filters.length;
var dataSource = that.dataSource;
var expression = extend({}, dataSource.filter() || {});
var resetPageSettings = filter || (expression.filters && expression.filters.length && !filter);
var removed = removeFiltersForField(expression, options.dataTextField);
this._clearFilterExpressions(expression);
if ((filter || removed) && that.trigger("filtering", { filter: filter })) {
return $.Deferred().reject().promise();
}
var newExpression = {
filters: [],
logic: "and"
};
if (isMultiColumnFiltering) {
newExpression.filters.push(filter);
} else {
this._pushFilterExpression(newExpression, filter);
}
if (isValidFilterExpr(expression)) {
if (newExpression.logic === expression.logic) {
newExpression.filters = newExpression.filters.concat(expression.filters);
} else {
newExpression.filters.push(expression);
}
}
if (that._cascading) {
this.listView.setDSFilter(newExpression);
}
var dataSourceState = extend({}, {
page: resetPageSettings ? 1 : dataSource.page(),
pageSize: resetPageSettings ? dataSource.options.pageSize : dataSource.pageSize(),
sort: dataSource.sort(),
filter: dataSource.filter(),
group: dataSource.group(),
aggregate: dataSource.aggregate()
}, { filter: newExpression });
return dataSource[force ? "read" : "query"](dataSource._mergeState(dataSourceState));
},
_pushFilterExpression: function(newExpression, filter) {
if (isValidFilterExpr(filter) && filter.value !== "") {
newExpression.filters.push(filter);
}
},
_clearFilterExpressions: function(expression) {
if (!expression.filters) {
return;
}
var filtersToRemove;
for (var i = 0; i < expression.filters.length; i++) {
if ("fromFilter" in expression.filters[i]) {
filtersToRemove = i;
}
}
if (!isNaN(filtersToRemove)) {
expression.filters.splice(filtersToRemove, 1);
}
},
_renderNoData: function() {
var list = this;
var noData = list.noData;
if (!noData) {
return;
}
noData.html(list.noDataTemplate({ instance: list }));
},
_toggleNoData: function(show) {
$(this.noData).toggle(show);
},
_toggleHeader: function(show) {
var groupHeader = this.listView.content.prev(FIXED_GROUP_HEADER);
groupHeader.toggle(show);
},
_renderFooter: function() {
var list = this,
footer = list.footer ? this.options.columns && this.options.columns.length ? list.footer.children().first() : list.footer : null;
if (!footer) {
return;
}
footer.html(list.footerTemplate({ instance: list }));
},
_allowOpening: function() {
return this.options.noDataTemplate || this.dataSource.flatView().length;
},
_initValue: function() {
var that = this,
value = that.options.value;
if (value !== null) {
that.element.val(value);
} else {
value = that._accessor();
that.options.value = value;
}
that._old = value;
},
_ignoreCase: function() {
var that = this,
model = that.dataSource.reader.model,
field;
if (model && model.fields) {
field = model.fields[that.options.dataTextField];
if (field && field.type && field.type !== "string") {
that.options.ignoreCase = false;
}
}
},
_focus: function(candidate) {
return this.listView.focus(candidate);
},
_filter: function(options) {
var that = this;
var widgetOptions = that.options;
var word = options.word;
var filterFields = widgetOptions.filterFields;
var field = widgetOptions.dataTextField;
var expression;
if (filterFields && filterFields.length) {
expression = {
logic: "or",
filters: [],
fromFilter: true
};
for (var i = 0; i < filterFields.length; i++) {
this._pushFilterExpression(expression, that._buildExpression(word, filterFields[i]));
}
} else {
expression = that._buildExpression(word, field);
}
that._open = options.open;
that._filterSource(expression);
},
_buildExpression: function(value, field) {
var that = this;
var widgetOptions = that.options;
var ignoreCase = widgetOptions.ignoreCase;
var accentFoldingFiltering = that.dataSource.options.accentFoldingFiltering;
return {
value: ignoreCase ? (accentFoldingFiltering ? value.toLocaleLowerCase(accentFoldingFiltering) : value.toLowerCase()) : value,
field: field,
operator: widgetOptions.filter,
ignoreCase: ignoreCase
};
},
_clearButton: function() {
var list = this;
var clearTitle = list.options.messages.clear;
if (!list._clear) {
list._clear = $(`<span unselectable="on" class="k-clear-value" title="${clearTitle}">${kendo.ui.icon("x")}</span>`).attr({
"role": "button",
"tabIndex": -1
});
}
if (!list.options.clearButton) {
list._clear.remove();
}
this._hideClear();
},
search: function(word) {
var options = this.options;
word = typeof word === "string" ? word : this._inputValue();
clearTimeout(this._typingTimeout);
if ((!options.enforceMinLength && !word.length) || word.length >= options.minLength) {
this._state = "filter";
if (this.listView) {
this.listView._emptySearch = !kendo.trim(word).length;
}
if (!this._isFilterEnabled()) {
this._searchByWord(word);
} else {
this._filter({ word: word, open: true });
}
}
},
current: function(candidate) {
return this._focus(candidate);
},
items: function() {
return this.ul[0].children;
},
destroy: function() {
var that = this;
var ns = that.ns;
Widget.fn.destroy.call(that);
that._unbindDataSource();
if (that.largeMQL || that.mediumMQL || that.smallMQL) {
that.largeMQL.destroy();
that.mediumMQL.destroy();
that.smallMQL.destroy();
}
that.listView.destroy();
that.list.off(ns);
that.popup.destroy();
if (that._form) {
that._form.off("reset", that._resetHandler);
}
if (that.label) {
that.label.destroy();
}
},
dataItem: function(index) {
var that = this;
if (index === undefined) {
return that.listView.selectedDataItems()[0];
}
if (typeof index !== "number") {
if (that.options.virtual) {
return that.dataSource.getByUid($(index).data("uid"));
}
index = $(that.items()).index(index);
}
return that.dataSource.flatView()[index];
},
_activateItem: function() {
var current = this.listView.focus();
if (current && this.popup.visible()) {
this._focused.add(this.filterInput).attr(ARIA_ACTIVEDESCENDANT, current.attr("id"));
}
},
_deactivateItem: function() {
this._focused.add(this.filterInput).removeAttr(ARIA_ACTIVEDESCENDANT);
},
_accessors: function() {
var that = this;
var element = that.element;
var options = that.options;
var getter = kendo.getter;
var textField = element.attr(kendo.attr("text-field"));
var valueField = element.attr(kendo.attr("value-field"));
if (!options.dataTextField && textField) {
options.dataTextField = textField;
}
if (!options.dataValueField && valueField) {
options.dataValueField = valueField;
}
that._text = getter(options.dataTextField);
that._value = getter(options.dataValueField);
},
_aria: function(id) {
var that = this,
options = that.options,
element = that._focused,
autocomplete;
if (options.suggest !== undefined) {
if (options.filter === "none") {
if (options.suggest === true) {
autocomplete = "inline";
} else {
autocomplete = "none";
}
} else {
if (options.suggest === true) {
autocomplete = "both";
} else {
autocomplete = "list";
}
}
element.attr(ARIA_AUTOCOMPLETE, autocomplete);
}
id = id ? id + " " + that.ul[0].id : that.ul[0].id;
element.attr({
"aria-controls": id
});
if (that.filterInput && that.filterInput.length > 0) {
that.filterInput.attr(ARIA_CONTROLS, id);
}
that.ul.attr(ARIA_LIVE, !that._isFilterEnabled() ? "off" : "polite");
that._ariaLabel(that._focused);
},
_blur: function() {
var that = this;
that._change();
that.close();
that._userTriggered = false;
},
_isValueChanged: function(value) {
return value !== unifyType(this._old, typeof value);
},
_change: function() {
var that = this;
var index = that.selectedIndex;
var optionValue = that.options.value;
var value = that.value();
var trigger;
if (that._isSelect && !that.listView.bound() && optionValue) {
value = optionValue;
}
if (that._isValueChanged(value)) {
trigger = true;
} else if (that._valueBeforeCascade !== undefined && that._isValueChanged(that._valueBeforeCascade) && that._userTriggered) {
trigger = true;
} else if (index !== undefined && index !== that._oldIndex && !that.listView.isFiltered() && !that.options.virtual) {
trigger = true;
}
if (trigger) {
if (that._old === null || that._old === "" || value === "") {
that._valueBeforeCascade = that._old = value;
} else {
if (that.dataItem()) {
that._valueBeforeCascade = that._old = that.options.dataValueField ? that.dataItem()[that.options.dataValueField] : that.dataItem();
} else {
that._valueBeforeCascade = that._old = null;
}
}
that._oldIndex = index;
if (!that._typing) {
// trigger the DOM change event so any subscriber gets notified
that.element.trigger(CHANGE);
}
that.trigger(CHANGE);
}
that.typing = false;
},
_data: function() {
return this.dataSource.view();
},
_enable: function() {
var that = this,
options = that.options,
disabled = that.element.is("[disabled]");
if (options.enable !== undefined) {
options.enabled = options.enable;
}
if (!options.enabled || disabled) {
that.enable(false);
} else {
that.readonly(that.element.is("[readonly]"));
}
},
_dataValue: function(dataItem) {
var value = this._value(dataItem);
if (value === undefined) {
value = this._text(dataItem);
}
return value;
},
_offsetHeight: function() {
var offsetHeight = 0;
var siblings = this.listView.content.parent().prevAll(":visible");
siblings.each(function() {
var element = $(this);
offsetHeight += outerHeight(element, true);
});
return offsetHeight;
},
_height: function(length) {
var that = this;
var list = that.list;
var height = that.options.height;
var visible = that.popup.visible();
var isMccb = this.options.columns && this.options.columns.length;
var offsetTop, popups;
if (length || that.options.noDataTemplate) {
// Check where animation container stays
popups = list.parent().add(list.closest(".k-animation-container").add(list.closest(".k-child-animation-container"))).show();
if (!list.parent().is(":visible")) {
popups.hide();
return;
}
height = that.listView.content[0].scrollHeight > height ? height : "auto";
popups.height(height);