devextreme
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HTML5 JavaScript Component Suite for Responsive Web Development
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JavaScript
/**
* DevExtreme (esm/ui/tag_box.js)
* Version: 21.1.4
* Build date: Mon Jun 21 2021
*
* Copyright (c) 2012 - 2021 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
import $ from "../core/renderer";
import devices from "../core/devices";
import {
data as elementData
} from "../core/element_data";
import eventsEngine from "../events/core/events_engine";
import registerComponent from "../core/component_registrator";
import {
noop,
ensureDefined,
equalByValue
} from "../core/utils/common";
import {
SelectionFilterCreator as FilterCreator
} from "../core/utils/selection_filter";
import {
Deferred,
when
} from "../core/utils/deferred";
import {
createTextElementHiddenCopy
} from "../core/utils/dom";
import {
getPublicElement
} from "../core/element";
import {
isDefined,
isObject,
isString
} from "../core/utils/type";
import {
hasWindow
} from "../core/utils/window";
import {
extend
} from "../core/utils/extend";
import {
inArray
} from "../core/utils/array";
import {
each
} from "../core/utils/iterator";
import messageLocalization from "../localization/message";
import {
addNamespace,
isCommandKeyPressed,
normalizeKeyName
} from "../events/utils/index";
import {
name as clickEvent
} from "../events/click";
import caret from "./text_box/utils.caret";
import {
normalizeLoadResult
} from "../data/data_source/utils";
import getScrollRtlBehavior from "../core/utils/scroll_rtl_behavior";
import SelectBox from "./select_box";
import {
BindableTemplate
} from "../core/templates/bindable_template";
import {
allowScroll
} from "./text_box/utils.scroll";
import errors from "./widget/ui.errors";
var TAGBOX_TAG_DATA_KEY = "dxTagData";
var TAGBOX_CLASS = "dx-tagbox";
var TAGBOX_TAG_CONTAINER_CLASS = "dx-tag-container";
var TAGBOX_TAG_CLASS = "dx-tag";
var TAGBOX_MULTI_TAG_CLASS = "dx-tagbox-multi-tag";
var TAGBOX_CUSTOM_TAG_CLASS = "dx-tag-custom";
var TAGBOX_TAG_REMOVE_BUTTON_CLASS = "dx-tag-remove-button";
var TAGBOX_ONLY_SELECT_CLASS = "dx-tagbox-only-select";
var TAGBOX_SINGLE_LINE_CLASS = "dx-tagbox-single-line";
var TAGBOX_POPUP_WRAPPER_CLASS = "dx-tagbox-popup-wrapper";
var TAGBOX_TAG_CONTENT_CLASS = "dx-tag-content";
var TAGBOX_DEFAULT_FIELD_TEMPLATE_CLASS = "dx-tagbox-default-template";
var TAGBOX_CUSTOM_FIELD_TEMPLATE_CLASS = "dx-tagbox-custom-template";
var NATIVE_CLICK_CLASS = "dx-native-click";
var TEXTEDITOR_INPUT_CONTAINER_CLASS = "dx-texteditor-input-container";
var TAGBOX_MOUSE_WHEEL_DELTA_MULTIPLIER = -.3;
var TagBox = SelectBox.inherit({
_supportedKeys: function() {
var parent = this.callBase();
var sendToList = options => this._list._keyboardHandler(options);
var rtlEnabled = this.option("rtlEnabled");
return extend({}, parent, {
backspace: function(e) {
if (!this._isCaretAtTheStart()) {
return
}
this._processKeyboardEvent(e);
this._isTagRemoved = true;
var $tagToDelete = this._$focusedTag || this._tagElements().last();
if (this._$focusedTag) {
this._moveTagFocus("prev", true)
}
if (0 === $tagToDelete.length) {
return
}
this._preserveFocusedTag = true;
this._removeTagElement($tagToDelete);
delete this._preserveFocusedTag
},
upArrow: (e, opts) => e.altKey || !this._list ? parent.upArrow.call(this, e) : sendToList(opts),
downArrow: (e, opts) => e.altKey || !this._list ? parent.downArrow.call(this, e) : sendToList(opts),
del: function(e) {
if (!this._$focusedTag || !this._isCaretAtTheStart()) {
return
}
this._processKeyboardEvent(e);
this._isTagRemoved = true;
var $tagToDelete = this._$focusedTag;
this._moveTagFocus("next", true);
this._preserveFocusedTag = true;
this._removeTagElement($tagToDelete);
delete this._preserveFocusedTag
},
enter: function(e, options) {
var isListItemFocused = this._list && null !== this._list.option("focusedElement");
var isCustomItem = this.option("acceptCustomValue") && !isListItemFocused;
if (isCustomItem) {
e.preventDefault();
"" !== this._searchValue() && this._customItemAddedHandler(e);
return
}
if (this.option("opened")) {
this._saveValueChangeEvent(e);
sendToList(options);
e.preventDefault()
}
},
space: function(e, options) {
var isOpened = this.option("opened");
var isInputActive = this._shouldRenderSearchEvent();
if (isOpened && !isInputActive) {
this._saveValueChangeEvent(e);
sendToList(options);
e.preventDefault()
}
},
leftArrow: function(e) {
if (!this._isCaretAtTheStart() || this._isEmpty() || this._isEditable() && rtlEnabled && !this._$focusedTag) {
return
}
e.preventDefault();
var direction = rtlEnabled ? "next" : "prev";
this._moveTagFocus(direction);
!this.option("multiline") && this._scrollContainer(direction)
},
rightArrow: function(e) {
if (!this._isCaretAtTheStart() || this._isEmpty() || this._isEditable() && !rtlEnabled && !this._$focusedTag) {
return
}
e.preventDefault();
var direction = rtlEnabled ? "prev" : "next";
this._moveTagFocus(direction);
!this.option("multiline") && this._scrollContainer(direction)
}
})
},
_processKeyboardEvent: function(e) {
e.preventDefault();
e.stopPropagation();
this._saveValueChangeEvent(e)
},
_isEmpty: function() {
return 0 === this._getValue().length
},
_updateTagsContainer: function($element) {
this._$tagsContainer = $element.addClass(TAGBOX_TAG_CONTAINER_CLASS).addClass(NATIVE_CLICK_CLASS);
this._$tagsContainer.parent().addClass(NATIVE_CLICK_CLASS)
},
_allowSelectItemByTab: function() {
return false
},
_isCaretAtTheStart: function() {
var position = caret(this._input());
return 0 === position.start && 0 === position.end
},
_moveTagFocus: function(direction, clearOnBoundary) {
if (!this._$focusedTag) {
var tagElements = this._tagElements();
this._$focusedTag = "next" === direction ? tagElements.first() : tagElements.last();
this._toggleFocusClass(true, this._$focusedTag);
return
}
var $nextFocusedTag = this._$focusedTag[direction](".".concat(TAGBOX_TAG_CLASS));
if ($nextFocusedTag.length > 0) {
this._replaceFocusedTag($nextFocusedTag)
} else if (clearOnBoundary || "next" === direction && this._isEditable()) {
this._clearTagFocus()
}
},
_replaceFocusedTag: function($nextFocusedTag) {
this._toggleFocusClass(false, this._$focusedTag);
this._$focusedTag = $nextFocusedTag;
this._toggleFocusClass(true, this._$focusedTag)
},
_clearTagFocus: function() {
if (!this._$focusedTag) {
return
}
this._toggleFocusClass(false, this._$focusedTag);
delete this._$focusedTag
},
_focusClassTarget: function($element) {
if ($element && $element.length && $element[0] !== this._focusTarget()[0]) {
return $element
}
return this.callBase()
},
_scrollContainer: function(direction) {
if (this.option("multiline") || !hasWindow()) {
return
}
if (!this._$tagsContainer) {
return
}
var scrollPosition = this._getScrollPosition(direction);
this._$tagsContainer.scrollLeft(scrollPosition)
},
_getScrollPosition: function(direction) {
if ("start" === direction || "end" === direction) {
return this._getBorderPosition(direction)
}
return this._$focusedTag ? this._getFocusedTagPosition(direction) : this._getBorderPosition("end")
},
_getBorderPosition: function(direction) {
var rtlEnabled = this.option("rtlEnabled");
var isScrollLeft = "end" === direction ^ rtlEnabled;
var scrollBehavior = getScrollRtlBehavior();
var isScrollInverted = rtlEnabled && scrollBehavior.decreasing ^ scrollBehavior.positive;
var scrollSign = !rtlEnabled || scrollBehavior.positive ? 1 : -1;
return isScrollLeft ^ !isScrollInverted ? 0 : scrollSign * (this._$tagsContainer.get(0).scrollWidth - this._$tagsContainer.outerWidth())
},
_getFocusedTagPosition: function(direction) {
var rtlEnabled = this.option("rtlEnabled");
var isScrollLeft = "next" === direction ^ rtlEnabled;
var {
left: scrollOffset
} = this._$focusedTag.position();
var scrollLeft = this._$tagsContainer.scrollLeft();
if (isScrollLeft) {
scrollOffset += this._$focusedTag.outerWidth(true) - this._$tagsContainer.outerWidth()
}
if (isScrollLeft ^ scrollOffset < 0) {
var scrollBehavior = getScrollRtlBehavior();
var scrollCorrection = rtlEnabled && !scrollBehavior.decreasing && scrollBehavior.positive ? -1 : 1;
scrollLeft += scrollOffset * scrollCorrection
}
return scrollLeft
},
_setNextValue: noop,
_getDefaultOptions: function() {
return extend(this.callBase(), {
value: [],
showDropDownButton: false,
maxFilterQueryLength: 1500,
tagTemplate: "tag",
selectAllText: messageLocalization.format("dxList-selectAll"),
hideSelectedItems: false,
selectedItems: [],
selectAllMode: "page",
onSelectAllValueChanged: null,
maxDisplayedTags: void 0,
showMultiTagOnly: true,
onMultiTagPreparing: null,
multiline: true,
useSubmitBehavior: true
})
},
_init: function() {
this.callBase();
this._selectedItems = [];
this._initSelectAllValueChangedAction()
},
_initActions: function() {
this.callBase();
this._initMultiTagPreparingAction()
},
_initMultiTagPreparingAction: function() {
this._multiTagPreparingAction = this._createActionByOption("onMultiTagPreparing", {
beforeExecute: function(e) {
this._multiTagPreparingHandler(e.args[0])
}.bind(this),
excludeValidators: ["disabled", "readOnly"]
})
},
_multiTagPreparingHandler: function(args) {
var {
length: selectedCount
} = this._getValue();
if (!this.option("showMultiTagOnly")) {
args.text = messageLocalization.getFormatter("dxTagBox-moreSelected")(selectedCount - this.option("maxDisplayedTags") + 1)
} else {
args.text = messageLocalization.getFormatter("dxTagBox-selected")(selectedCount)
}
},
_initDynamicTemplates: function() {
this.callBase();
this._templateManager.addDefaultTemplates({
tag: new BindableTemplate(($container, data) => {
var _data$text;
var $tagContent = $("<div>").addClass(TAGBOX_TAG_CONTENT_CLASS);
$("<span>").text(null !== (_data$text = data.text) && void 0 !== _data$text ? _data$text : data).appendTo($tagContent);
$("<div>").addClass(TAGBOX_TAG_REMOVE_BUTTON_CLASS).appendTo($tagContent);
$container.append($tagContent)
}, ["text"], this.option("integrationOptions.watchMethod"), {
text: this._displayGetter
})
})
},
_toggleSubmitElement: function(enabled) {
if (enabled) {
this._renderSubmitElement();
this._setSubmitValue()
} else {
this._$submitElement && this._$submitElement.remove();
delete this._$submitElement
}
},
_renderSubmitElement: function() {
if (!this.option("useSubmitBehavior")) {
return
}
this._$submitElement = $("<select>").attr("multiple", "multiple").css("display", "none").appendTo(this.$element())
},
_setSubmitValue: function() {
if (!this.option("useSubmitBehavior")) {
return
}
var value = this._getValue();
var $options = [];
for (var i = 0, n = value.length; i < n; i++) {
var useDisplayText = this._shouldUseDisplayValue(value[i]);
$options.push($("<option>").val(useDisplayText ? this._displayGetter(value[i]) : value[i]).attr("selected", "selected"))
}
this._getSubmitElement().empty().append($options)
},
_initMarkup: function() {
this._tagElementsCache = $();
var isSingleLineMode = !this.option("multiline");
this.$element().addClass(TAGBOX_CLASS).toggleClass(TAGBOX_ONLY_SELECT_CLASS, !(this.option("searchEnabled") || this.option("acceptCustomValue"))).toggleClass(TAGBOX_SINGLE_LINE_CLASS, isSingleLineMode);
this._initTagTemplate();
this.callBase()
},
_render: function() {
this.callBase();
this._renderTagRemoveAction();
this._renderSingleLineScroll();
this._scrollContainer("start")
},
_initTagTemplate: function() {
this._tagTemplate = this._getTemplateByOption("tagTemplate")
},
_renderField: function() {
var isDefaultFieldTemplate = !isDefined(this.option("fieldTemplate"));
this.$element().toggleClass(TAGBOX_DEFAULT_FIELD_TEMPLATE_CLASS, isDefaultFieldTemplate).toggleClass(TAGBOX_CUSTOM_FIELD_TEMPLATE_CLASS, !isDefaultFieldTemplate);
this.callBase()
},
_renderTagRemoveAction: function() {
var tagRemoveAction = this._createAction(this._removeTagHandler.bind(this));
var eventName = addNamespace(clickEvent, "dxTagBoxTagRemove");
eventsEngine.off(this._$tagsContainer, eventName);
eventsEngine.on(this._$tagsContainer, eventName, ".".concat(TAGBOX_TAG_REMOVE_BUTTON_CLASS), event => {
tagRemoveAction({
event: event
})
});
this._renderTypingEvent()
},
_renderSingleLineScroll: function() {
var mouseWheelEvent = addNamespace("dxmousewheel", this.NAME);
var $element = this.$element();
var isMultiline = this.option("multiline");
eventsEngine.off($element, mouseWheelEvent);
if ("desktop" !== devices.real().deviceType) {
this._$tagsContainer && this._$tagsContainer.css("overflowX", isMultiline ? "" : "auto");
return
}
if (isMultiline) {
return
}
eventsEngine.on($element, mouseWheelEvent, this._tagContainerMouseWheelHandler.bind(this))
},
_tagContainerMouseWheelHandler: function(e) {
var scrollLeft = this._$tagsContainer.scrollLeft();
var delta = e.delta * TAGBOX_MOUSE_WHEEL_DELTA_MULTIPLIER;
if (!isCommandKeyPressed(e) && allowScroll(this._$tagsContainer, delta, true)) {
this._$tagsContainer.scrollLeft(scrollLeft + delta);
return false
}
},
_renderTypingEvent: function() {
var input = this._input();
var namespace = addNamespace("keydown", this.NAME);
eventsEngine.off(input, namespace);
eventsEngine.on(input, namespace, e => {
var keyName = normalizeKeyName(e);
if (!this._isControlKey(keyName) && this._isEditable()) {
this._clearTagFocus()
}
})
},
_popupWrapperClass: function() {
return this.callBase() + " " + TAGBOX_POPUP_WRAPPER_CLASS
},
_renderInput: function() {
this.callBase();
this._renderPreventBlur(this._inputWrapper())
},
_renderInputValueImpl: function() {
return this._renderMultiSelect()
},
_loadInputValue: function() {
return when()
},
_clearTextValue: function() {
this._input().val("");
this._toggleEmptinessEventHandler();
this.option("text", "")
},
_focusInHandler: function(e) {
if (!this._preventNestedFocusEvent(e)) {
this._scrollContainer("end")
}
this.callBase(e)
},
_renderInputValue: function() {
this.option("displayValue", this._searchValue());
return this.callBase()
},
_restoreInputText: function(saveEditingValue) {
if (!saveEditingValue) {
this._clearTextValue()
}
},
_focusOutHandler: function(e) {
if (!this._preventNestedFocusEvent(e)) {
this._clearTagFocus();
this._scrollContainer("start")
}
this.callBase(e)
},
_getFirstPopupElement: function() {
return this.option("showSelectionControls") ? this._list.$element() : this.callBase()
},
_initSelectAllValueChangedAction: function() {
this._selectAllValueChangeAction = this._createActionByOption("onSelectAllValueChanged")
},
_renderList: function() {
this.callBase();
this._setListDataSourceFilter();
if (this.option("showSelectionControls")) {
this._list.registerKeyHandler("tab", e => this._popupElementTabHandler(e));
this._list.registerKeyHandler("escape", e => this._popupElementEscHandler(e))
}
},
_canListHaveFocus: function() {
return "useButtons" === this.option("applyValueMode")
},
_listConfig: function() {
var selectionMode = this.option("showSelectionControls") ? "all" : "multiple";
return extend(this.callBase(), {
selectionMode: selectionMode,
selectAllText: this.option("selectAllText"),
onSelectAllValueChanged: _ref => {
var {
value: value
} = _ref;
this._selectAllValueChangeAction({
value: value
})
},
selectAllMode: this.option("selectAllMode"),
selectedItems: this._selectedItems,
onFocusedItemChanged: null
})
},
_renderMultiSelect: function() {
var d = new Deferred;
this._updateTagsContainer(this._$textEditorInputContainer);
this._renderInputSize();
this._renderTags().done(() => {
this._popup && this._popup.refreshPosition();
d.resolve()
}).fail(d.reject);
return d.promise()
},
_listItemClickHandler: function(e) {
!this.option("showSelectionControls") && this._clearTextValue();
if ("useButtons" === this.option("applyValueMode")) {
return
}
this.callBase(e);
this._saveValueChangeEvent(void 0)
},
_shouldClearFilter: function() {
var shouldClearFilter = this.callBase();
var showSelectionControls = this.option("showSelectionControls");
return !showSelectionControls && shouldClearFilter
},
_renderInputSize: function() {
var $input = this._input();
var value = $input.val();
var isEmptyInput = isString(value) && value;
var width = "";
var size = "";
var canTypeText = this.option("searchEnabled") || this.option("acceptCustomValue");
if (isEmptyInput && canTypeText) {
var $calculationElement = createTextElementHiddenCopy($input, value, {
includePaddings: true
});
$calculationElement.insertAfter($input);
width = $calculationElement.outerWidth() + 5;
$calculationElement.remove()
} else if (!value) {
size = 1
}
$input.css("width", width);
$input.attr("size", size)
},
_renderInputSubstitution: function() {
this.callBase();
this._updateWidgetHeight()
},
_getValue: function() {
return this.option("value") || []
},
_multiTagRequired: function() {
var values = this._getValue();
var maxDisplayedTags = this.option("maxDisplayedTags");
return isDefined(maxDisplayedTags) && values.length > maxDisplayedTags
},
_renderMultiTag: function($input) {
var $tag = $("<div>").addClass(TAGBOX_TAG_CLASS).addClass(TAGBOX_MULTI_TAG_CLASS);
var args = {
multiTagElement: getPublicElement($tag),
selectedItems: this.option("selectedItems")
};
this._multiTagPreparingAction(args);
if (args.cancel) {
return false
}
$tag.data(TAGBOX_TAG_DATA_KEY, args.text);
$tag.insertBefore($input);
this._tagTemplate.render({
model: args.text,
container: getPublicElement($tag)
});
return $tag
},
_getFilter: function(creator) {
var dataSourceFilter = this._dataSource.filter();
var filterExpr = creator.getCombinedFilter(this.option("valueExpr"), dataSourceFilter);
var filterQueryLength = encodeURI(JSON.stringify(filterExpr)).length;
var maxFilterQueryLength = this.option("maxFilterQueryLength");
if (filterQueryLength <= maxFilterQueryLength) {
return filterExpr
}
errors.log("W1019", maxFilterQueryLength)
},
_getFilteredItems: function(values) {
var _this$_list, _this$_list$getDataSo;
var creator = new FilterCreator(values);
var listSelectedItems = null === (_this$_list = this._list) || void 0 === _this$_list ? void 0 : _this$_list.option("selectedItems");
var isListItemsLoaded = !!listSelectedItems && (null === (_this$_list$getDataSo = this._list.getDataSource()) || void 0 === _this$_list$getDataSo ? void 0 : _this$_list$getDataSo.isLoaded());
var selectedItems = listSelectedItems || this.option("selectedItems");
var clientFilterFunction = creator.getLocalFilter(this._valueGetter);
var filteredItems = selectedItems.filter(clientFilterFunction);
var selectedItemsAlreadyLoaded = filteredItems.length === values.length;
var d = new Deferred;
if ((!this._isDataSourceChanged || isListItemsLoaded) && selectedItemsAlreadyLoaded) {
return d.resolve(filteredItems).promise()
} else {
var dataSource = this._dataSource;
var {
customQueryParams: customQueryParams,
expand: expand,
select: select
} = dataSource.loadOptions();
var filter = this._getFilter(creator);
dataSource.store().load({
filter: filter,
customQueryParams: customQueryParams,
expand: expand,
select: select
}).done((data, extra) => {
this._isDataSourceChanged = false;
if (this._disposed) {
d.reject();
return
}
var {
data: items
} = normalizeLoadResult(data, extra);
var mappedItems = dataSource._applyMapFunction(items);
d.resolve(mappedItems.filter(clientFilterFunction))
}).fail(d.reject);
return d.promise()
}
},
_createTagsData: function(values, filteredItems) {
var items = [];
var cache = {};
var isValueExprSpecified = "this" === this._valueGetterExpr();
var filteredValues = {};
filteredItems.forEach(filteredItem => {
var filteredItemValue = isValueExprSpecified ? JSON.stringify(filteredItem) : this._valueGetter(filteredItem);
filteredValues[filteredItemValue] = filteredItem
});
var loadItemPromises = [];
values.forEach((value, index) => {
var currentItem = filteredValues[isValueExprSpecified ? JSON.stringify(value) : value];
if (isValueExprSpecified && !isDefined(currentItem)) {
loadItemPromises.push(this._loadItem(value, cache).always(item => {
var newItem = this._createTagData(items, item, value, index);
items.splice(index, 0, newItem)
}))
} else {
var newItem = this._createTagData(items, currentItem, value, index);
items.splice(index, 0, newItem)
}
});
var d = new Deferred;
when.apply(this, loadItemPromises).always((function() {
d.resolve(items)
}));
return d.promise()
},
_createTagData: function(items, item, value, valueIndex) {
if (isDefined(item)) {
this._selectedItems.push(item);
return item
} else {
var selectedItem = this.option("selectedItem");
var customItem = this._valueGetter(selectedItem) === value ? selectedItem : value;
return customItem
}
},
_isGroupedData: function() {
return this.option("grouped") && !this._dataSource.group()
},
_getItemsByValues: function(values) {
var resultItems = [];
values.forEach(function(value) {
var item = this._getItemFromPlain(value);
if (isDefined(item)) {
resultItems.push(item)
}
}.bind(this));
return resultItems
},
_getFilteredGroupedItems: function(values) {
var selectedItems = new Deferred;
if (!this._dataSource.items().length) {
this._dataSource.load().done(function() {
selectedItems.resolve(this._getItemsByValues(values))
}.bind(this)).fail(selectedItems.resolve([]))
} else {
selectedItems.resolve(this._getItemsByValues(values))
}
return selectedItems.promise()
},
_loadTagsData: function() {
var values = this._getValue();
var tagData = new Deferred;
this._selectedItems = [];
var filteredItemsPromise = this._isGroupedData() ? this._getFilteredGroupedItems(values) : this._getFilteredItems(values);
filteredItemsPromise.done(filteredItems => {
var items = this._createTagsData(values, filteredItems);
items.always((function(data) {
tagData.resolve(data)
}))
}).fail(tagData.reject.bind(this));
return tagData.promise()
},
_renderTags: function() {
var d = new Deferred;
var isPlainDataUsed = false;
if (this._shouldGetItemsFromPlain(this._valuesToUpdate)) {
this._selectedItems = this._getItemsFromPlain(this._valuesToUpdate);
if (this._selectedItems.length === this._valuesToUpdate.length) {
this._renderTagsImpl(this._selectedItems);
isPlainDataUsed = true;
d.resolve()
}
}
if (!isPlainDataUsed) {
this._loadTagsData().done(items => {
if (this._disposed) {
d.reject();
return
}
this._renderTagsImpl(items);
d.resolve()
}).fail(d.reject)
}
return d.promise()
},
_renderTagsImpl: function(items) {
this._renderTagsCore(items);
this._renderEmptyState();
if (!this._preserveFocusedTag) {
this._clearTagFocus()
}
},
_shouldGetItemsFromPlain: function(values) {
return values && this._dataSource.isLoaded() && values.length <= this._getPlainItems().length
},
_getItemsFromPlain: function(values) {
var selectedItems = this._getSelectedItemsFromList(values);
var needFilterPlainItems = 0 === selectedItems.length && values.length > 0 || selectedItems.length < values.length;
if (needFilterPlainItems) {
var plainItems = this._getPlainItems();
selectedItems = this._filterSelectedItems(plainItems, values)
}
return selectedItems
},
_getSelectedItemsFromList: function(values) {
var _this$_list2;
var listSelectedItems = null === (_this$_list2 = this._list) || void 0 === _this$_list2 ? void 0 : _this$_list2.option("selectedItems");
var selectedItems = [];
if (values.length === (null === listSelectedItems || void 0 === listSelectedItems ? void 0 : listSelectedItems.length)) {
selectedItems = this._filterSelectedItems(listSelectedItems, values)
}
return selectedItems
},
_filterSelectedItems: function(plainItems, values) {
var selectedItems = plainItems.filter(dataItem => {
var currentValue;
for (var i = 0; i < values.length; i++) {
currentValue = values[i];
if (isObject(currentValue)) {
if (this._isValueEquals(dataItem, currentValue)) {
return true
}
} else if (this._isValueEquals(this._valueGetter(dataItem), currentValue)) {
return true
}
}
return false
}, this);
return selectedItems
},
_integrateInput: function() {
this.callBase();
this._updateTagsContainer($(".".concat(TEXTEDITOR_INPUT_CONTAINER_CLASS)));
this._renderTagRemoveAction()
},
_renderTagsCore: function(items) {
this._renderField();
this.option("selectedItems", this._selectedItems.slice());
this._cleanTags();
var $multiTag = this._multiTagRequired() && this._renderMultiTag(this._input());
var showMultiTagOnly = this.option("showMultiTagOnly");
var maxDisplayedTags = this.option("maxDisplayedTags");
items.forEach((item, index) => {
if ($multiTag && showMultiTagOnly || $multiTag && !showMultiTagOnly && index - maxDisplayedTags >= -1) {
return false
}
this._renderTag(item, $multiTag || this._input())
});
if (this._isFocused()) {
this._scrollContainer("end")
}
this._refreshTagElements()
},
_cleanTags: function() {
if (this._multiTagRequired()) {
this._tagElements().remove()
} else {
var $tags = this._tagElements();
var values = this._getValue();
each($tags, (function(_, tag) {
var $tag = $(tag);
var index = inArray($tag.data(TAGBOX_TAG_DATA_KEY), values);
if (index < 0) {
$tag.remove()
}
}))
}
},
_renderEmptyState: function() {
var isEmpty = !(this._getValue().length || this._selectedItems.length || this._searchValue());
this._toggleEmptiness(isEmpty);
this._renderDisplayText()
},
_renderDisplayText: function() {
this._renderInputSize()
},
_refreshTagElements: function() {
this._tagElementsCache = this.$element().find(".".concat(TAGBOX_TAG_CLASS))
},
_tagElements: function() {
return this._tagElementsCache
},
_applyTagTemplate: function(item, $tag) {
this._tagTemplate.render({
model: item,
container: getPublicElement($tag)
})
},
_renderTag: function(item, $input) {
var value = this._valueGetter(item);
if (!isDefined(value)) {
return
}
var $tag = this._getTag(value);
var displayValue = this._displayGetter(item);
var itemModel = this._getItemModel(item, displayValue);
if ($tag) {
if (isDefined(displayValue)) {
$tag.empty();
this._applyTagTemplate(itemModel, $tag)
}
$tag.removeClass(TAGBOX_CUSTOM_TAG_CLASS)
} else {
$tag = this._createTag(value, $input);
if (isDefined(item)) {
this._applyTagTemplate(itemModel, $tag)
} else {
$tag.addClass(TAGBOX_CUSTOM_TAG_CLASS);
this._applyTagTemplate(value, $tag)
}
}
},
_getItemModel: function(item, displayValue) {
if (isObject(item) && isDefined(displayValue)) {
return item
} else {
return ensureDefined(displayValue, "")
}
},
_getTag: function(value) {
var $tags = this._tagElements();
var tagsLength = $tags.length;
var result = false;
for (var i = 0; i < tagsLength; i++) {
var $tag = $tags[i];
var tagData = elementData($tag, TAGBOX_TAG_DATA_KEY);
if (value === tagData || equalByValue(value, tagData)) {
result = $($tag);
break
}
}
return result
},
_createTag: function(value, $input) {
return $("<div>").addClass(TAGBOX_TAG_CLASS).data(TAGBOX_TAG_DATA_KEY, value).insertBefore($input)
},
_toggleEmptinessEventHandler: function() {
this._toggleEmptiness(!this._getValue().length && !this._searchValue().length)
},
_customItemAddedHandler: function(e) {
this.callBase(e);
this._clearTextValue()
},
_removeTagHandler: function(args) {
var e = args.event;
e.stopPropagation();
this._saveValueChangeEvent(e);
var $tag = $(e.target).closest(".".concat(TAGBOX_TAG_CLASS));
this._removeTagElement($tag)
},
_removeTagElement: function($tag) {
if ($tag.hasClass(TAGBOX_MULTI_TAG_CLASS)) {
if (!this.option("showMultiTagOnly")) {
this.option("value", this._getValue().slice(0, this.option("maxDisplayedTags")))
} else {
this.reset()
}
return
}
var itemValue = $tag.data(TAGBOX_TAG_DATA_KEY);
this._removeTagWithUpdate(itemValue);
this._refreshTagElements()
},
_updateField: noop,
_removeTagWithUpdate: function(itemValue) {
var value = this._getValue().slice();
this._removeTag(value, itemValue);
this.option("value", value);
if (0 === value.length) {
this._clearTagFocus()
}
},
_getCurrentValue: function() {
return this._lastValue()
},
_selectionChangeHandler: function(e) {
if ("useButtons" === this.option("applyValueMode")) {
return
}
var value = this._getValue().slice();
each(e.removedItems || [], (_, removedItem) => {
this._removeTag(value, this._valueGetter(removedItem))
});
each(e.addedItems || [], (_, addedItem) => {
this._addTag(value, this._valueGetter(addedItem))
});
this._updateWidgetHeight();
if (!equalByValue(this._list.option("selectedItemKeys"), this.option("value"))) {
var listSelectionChangeEvent = this._list._getSelectionChangeEvent();
listSelectionChangeEvent && this._saveValueChangeEvent(listSelectionChangeEvent);
this.option("value", value)
}
this._list._saveSelectionChangeEvent(void 0)
},
_removeTag: function(value, item) {
var index = this._valueIndex(item, value);
if (index >= 0) {
value.splice(index, 1)
}
},
_addTag: function(value, item) {
var index = this._valueIndex(item);
if (index < 0) {
value.push(item)
}
},
_fieldRenderData: function() {
return this._selectedItems.slice()
},
_completeSelection: function(value) {
if (!this.option("showSelectionControls")) {
this._setValue(value)
}
},
_setValue: function(value) {
if (null === value) {
return
}
var useButtons = "useButtons" === this.option("applyValueMode");
var valueIndex = this._valueIndex(value);
var values = (useButtons ? this._list.option("selectedItemKeys") : this._getValue()).slice();
if (valueIndex >= 0) {
values.splice(valueIndex, 1)
} else {
values.push(value)
}
if ("useButtons" === this.option("applyValueMode")) {
this._list.option("selectedItemKeys", values)
} else {
this.option("value", values)
}
},
_isSelectedValue: function(value, cache) {
return this._valueIndex(value, null, cache) > -1
},
_valueIndex: function(value, values, cache) {
var result = -1;
if (cache && "object" !== typeof value) {
if (!cache.indexByValues) {
cache.indexByValues = {};
values = values || this._getValue();
values.forEach((function(value, index) {
cache.indexByValues[value] = index
}))
}
if (value in cache.indexByValues) {
return cache.indexByValues[value]
}
}
values = values || this._getValue();
each(values, (index, selectedValue) => {
if (this._isValueEquals(value, selectedValue)) {
result = index;
return false
}
});
return result
},
_lastValue: function() {
var values = this._getValue();
var lastValue = values[values.length - 1];
return null !== lastValue && void 0 !== lastValue ? lastValue : null
},
_valueChangeEventHandler: noop,
_shouldRenderSearchEvent: function() {
return this.option("searchEnabled") || this.option("acceptCustomValue")
},
_searchHandler: function(e) {
if (this.option("searchEnabled") && !!e && !this._isTagRemoved) {
this.callBase(e);
this._setListDataSourceFilter()
}
this._updateWidgetHeight();
delete this._isTagRemoved
},
_updateWidgetHeight: function() {
var element = this.$element();
var originalHeight = element.height();
this._renderInputSize();
var currentHeight = element.height();
if (this._popup && this.option("opened") && this._isEditable() && currentHeight !== originalHeight) {
this._popup.repaint()
}
},
_refreshSelected: function() {
var _this$_list3;
(null === (_this$_list3 = this._list) || void 0 === _this$_list3 ? void 0 : _this$_list3.getDataSource()) && this._list.option("selectedItems", this._selectedItems)
},
_resetListDataSourceFilter: function() {
var dataSource = this._getDataSource();
if (!dataSource) {
return
}
delete this._userFilter;
dataSource.filter(null);
dataSource.reload()
},
_setListDataSourceFilter: function() {
if (!this.option("hideSelectedItems") || !this._list) {
return
}
var dataSource = this._getDataSource();
if (!dataSource) {
return
}
var valueGetterExpr = this._valueGetterExpr();
if (isString(valueGetterExpr) && "this" !== valueGetterExpr) {
var filter = this._dataSourceFilterExpr();
if (void 0 === this._userFilter) {
this._userFilter = dataSource.filter() || null
}
this._userFilter && filter.push(this._userFilter);
filter.length ? dataSource.filter(filter) : dataSource.filter(null)
} else {
dataSource.filter(this._dataSourceFilterFunction.bind(this))
}
dataSource.load()
},
_dataSourceFilterExpr: function() {
var filter = [];
each(this._getValue(), (index, value) => {
filter.push(["!", [this._valueGetterExpr(), value]])
});
return filter
},
_dataSourceFilterFunction: function(itemData) {
var itemValue = this._valueGetter(itemData);
var result = true;
each(this._getValue(), (index, value) => {
if (this._isValueEquals(value, itemValue)) {
result = false;
return false
}
});
return result
},
_dataSourceChangedHandler: function() {
this._isDataSourceChanged = true;
this.callBase.apply(this, arguments)
},
_applyButtonHandler: function(args) {
this._saveValueChangeEvent(args.event);
this.option("value", this._getSortedListValues());
this._clearTextValue();
this.callBase();
this._cancelSearchIfNeed()
},
_getSortedListValues: function() {
var listValues = this._getListValues();
var currentValue = this.option("value") || [];
var existedItems = listValues.length ? currentValue.filter(item => -1 !== listValues.indexOf(item)) : [];
var newItems = existedItems.length ? listValues.filter(item => -1 === currentValue.indexOf(item)) : listValues;
return existedItems.concat(newItems)
},
_getListValues: function() {
if (!this._list) {
return []
}
var selectedItems = this._getPlainItems(this._list.option("selectedItems"));
var result = [];
each(selectedItems, (index, item) => {
result[index] = this._valueGetter(item)
});
return result
},
_setListDataSource: function() {
var currentValue = this._getValue();
this.callBase();
if (currentValue !== this.option("value")) {
this.option("value", currentValue)
}
this._refreshSelected()
},
_renderOpenedState: function() {
this.callBase();
if ("useButtons" === this.option("applyValueMode") && !this.option("opened")) {
this._refreshSelected()
}
},
reset: function() {
this._restoreInputText();
var defaultValue = this._getDefaultOptions().value;
var currentValue = this.option("value");
if (defaultValue && 0 === defaultValue.length && currentValue && defaultValue.length === currentValue.length) {
return
}
this.callBase()
},
_clean: function() {
this.callBase();
delete this._defaultTagTemplate;
delete this._valuesToUpdate;
delete this._tagTemplate
},
_removeDuplicates: function(from, what) {
var result = [];
each(from, (_, value) => {
var filteredItems = what.filter(item => this._valueGetter(value) === this._valueGetter(item));
if (!filteredItems.length) {
result.push(value)
}
});
return result
},
_optionChanged: function(args) {
switch (args.name) {
case "onSelectAllValueChanged":
this._initSelectAllValueChangedAction();
break;
case "onMultiTagPreparing":
this._initMultiTagPreparingAction();
this._renderTags();
break;
case "hideSelectedItems":
if (args.value) {
this._setListDataSourceFilter()
} else {
this._resetListDataSourceFilter()
}
break;
case "useSubmitBehavior":
this._toggleSubmitElement(args.value);
break;
case "displayExpr":
this.callBase(args);
this._initTemplates();
this._invalidate();
break;
case "tagTemplate":
this._initTagTemplate();
this._invalidate();
break;
case "selectAllText":
this._setListOption("selectAllText", this.option("selectAllText"));
break;
case "readOnly":
case "disabled":
this.callBase(args);
!args.value && this._renderTypingEvent();
break;
case "value":
this._valuesToUpdate = null === args || void 0 === args ? void 0 : args.value;
this.callBase(args);
this._valuesToUpdate = void 0;
this._setListDataSourceFilter();
break;
case "maxDisplayedTags":
case "showMultiTagOnly":
this._renderTags();
break;
case "selectAllMode":
this._setListOption(args.name, args.value);
break;
case "selectedItem":
break;
case "selectedItems":
this._selectionChangedAction({
addedItems: this._removeDuplicates(args.value, args.previousValue),
removedItems: this._removeDuplicates(args.previousValue, args.value)
});
break;
case "multiline":
this.$element().toggleClass(TAGBOX_SINGLE_LINE_CLASS, !args.value);
this._renderSingleLineScroll();
break;
case "maxFilterQueryLength":
break;
default:
this.callBase(args)
}
},
_getActualSearchValue: function() {
return this.callBase() || this._searchValue()
},
_popupHidingHandler: function() {
this.callBase();
this._clearFilter()
}
});
registerComponent("dxTagBox", TagBox);
export default TagBox;