ngx-bootstrap
Version:
Native Angular Bootstrap Components
336 lines (335 loc) • 34.9 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes} checked by tsc
*/
import { Component, ElementRef, HostListener, QueryList, ViewChild, ViewChildren, Renderer2 } from '@angular/core';
import { isBs3, Utils } from 'ngx-bootstrap/utils';
import { latinize } from './typeahead-utils';
export class TypeaheadContainerComponent {
/**
* @param {?} element
* @param {?} renderer
*/
constructor(element, renderer) {
this.renderer = renderer;
this.isFocused = false;
this._matches = [];
this.isScrolledIntoView = function (elem) {
const /** @type {?} */ containerViewTop = this.ulElement.nativeElement.scrollTop;
const /** @type {?} */ containerViewBottom = containerViewTop + Number(this.ulElement.nativeElement.offsetHeight);
const /** @type {?} */ elemTop = elem.offsetTop;
const /** @type {?} */ elemBottom = elemTop + elem.offsetHeight;
return ((elemBottom <= containerViewBottom) && (elemTop >= containerViewTop));
};
this.element = element;
}
/**
* @return {?}
*/
get isBs4() {
return !isBs3();
}
/**
* @return {?}
*/
get active() {
return this._active;
}
/**
* @return {?}
*/
get matches() {
return this._matches;
}
/**
* @param {?} value
* @return {?}
*/
set matches(value) {
this._matches = value;
this.needScrollbar = this.typeaheadScrollable && this.typeaheadOptionsInScrollableView < this.matches.length;
if (this.typeaheadScrollable) {
setTimeout(() => {
this.setScrollableMode();
});
}
if (this._matches.length > 0) {
this._active = this._matches[0];
if (this._active.isHeader()) {
this.nextActiveMatch();
}
}
}
/**
* @return {?}
*/
get optionsListTemplate() {
return this.parent ? this.parent.optionsListTemplate : undefined;
}
/**
* @return {?}
*/
get typeaheadScrollable() {
return this.parent ? this.parent.typeaheadScrollable : false;
}
/**
* @return {?}
*/
get typeaheadOptionsInScrollableView() {
return this.parent ? this.parent.typeaheadOptionsInScrollableView : 5;
}
/**
* @return {?}
*/
get itemTemplate() {
return this.parent ? this.parent.typeaheadItemTemplate : undefined;
}
/**
* @return {?}
*/
selectActiveMatch() {
this.selectMatch(this._active);
}
/**
* @return {?}
*/
prevActiveMatch() {
const /** @type {?} */ index = this.matches.indexOf(this._active);
this._active = this.matches[index - 1 < 0 ? this.matches.length - 1 : index - 1];
if (this._active.isHeader()) {
this.prevActiveMatch();
}
if (this.typeaheadScrollable) {
this.scrollPrevious(index);
}
}
/**
* @return {?}
*/
nextActiveMatch() {
const /** @type {?} */ index = this.matches.indexOf(this._active);
this._active = this.matches[index + 1 > this.matches.length - 1 ? 0 : index + 1];
if (this._active.isHeader()) {
this.nextActiveMatch();
}
if (this.typeaheadScrollable) {
this.scrollNext(index);
}
}
/**
* @param {?} value
* @return {?}
*/
selectActive(value) {
this.isFocused = true;
this._active = value;
}
/**
* @param {?} match
* @param {?} query
* @return {?}
*/
highlight(match, query) {
let /** @type {?} */ itemStr = match.value;
let /** @type {?} */ itemStrHelper = (this.parent && this.parent.typeaheadLatinize
? latinize(itemStr)
: itemStr).toLowerCase();
let /** @type {?} */ startIdx;
let /** @type {?} */ tokenLen;
// Replaces the capture string with the same string inside of a "strong" tag
if (typeof query === 'object') {
const /** @type {?} */ queryLen = query.length;
for (let /** @type {?} */ i = 0; i < queryLen; i += 1) {
// query[i] is already latinized and lower case
startIdx = itemStrHelper.indexOf(query[i]);
tokenLen = query[i].length;
if (startIdx >= 0 && tokenLen > 0) {
itemStr =
`${itemStr.substring(0, startIdx)}<strong>${itemStr.substring(startIdx, startIdx + tokenLen)}</strong>` +
`${itemStr.substring(startIdx + tokenLen)}`;
itemStrHelper =
`${itemStrHelper.substring(0, startIdx)} ${' '.repeat(tokenLen)} ` +
`${itemStrHelper.substring(startIdx + tokenLen)}`;
}
}
}
else if (query) {
// query is already latinized and lower case
startIdx = itemStrHelper.indexOf(query);
tokenLen = query.length;
if (startIdx >= 0 && tokenLen > 0) {
itemStr =
`${itemStr.substring(0, startIdx)}<strong>${itemStr.substring(startIdx, startIdx + tokenLen)}</strong>` +
`${itemStr.substring(startIdx + tokenLen)}`;
}
}
return itemStr;
}
/**
* @return {?}
*/
focusLost() {
this.isFocused = false;
}
/**
* @param {?} value
* @return {?}
*/
isActive(value) {
return this._active === value;
}
/**
* @param {?} value
* @param {?=} e
* @return {?}
*/
selectMatch(value, e = void 0) {
if (e) {
e.stopPropagation();
e.preventDefault();
}
this.parent.changeModel(value);
setTimeout(() => this.parent.typeaheadOnSelect.emit(value), 0);
return false;
}
/**
* @return {?}
*/
setScrollableMode() {
if (!this.ulElement) {
this.ulElement = this.element;
}
if (this.liElements.first) {
const /** @type {?} */ ulStyles = Utils.getStyles(this.ulElement.nativeElement);
const /** @type {?} */ liStyles = Utils.getStyles(this.liElements.first.nativeElement);
const /** @type {?} */ ulPaddingBottom = parseFloat((ulStyles['padding-bottom'] ? ulStyles['padding-bottom'] : '')
.replace('px', ''));
const /** @type {?} */ ulPaddingTop = parseFloat((ulStyles['padding-top'] ? ulStyles['padding-top'] : '0')
.replace('px', ''));
const /** @type {?} */ optionHeight = parseFloat((liStyles.height ? liStyles.height : '0')
.replace('px', ''));
const /** @type {?} */ height = this.typeaheadOptionsInScrollableView * optionHeight;
this.guiHeight = `${height + ulPaddingTop + ulPaddingBottom}px`;
}
this.renderer.setStyle(this.element.nativeElement, 'visibility', 'visible');
}
/**
* @param {?} index
* @return {?}
*/
scrollPrevious(index) {
if (index === 0) {
this.scrollToBottom();
return;
}
if (this.liElements) {
const /** @type {?} */ liElement = this.liElements.toArray()[index - 1];
if (liElement && !this.isScrolledIntoView(liElement.nativeElement)) {
this.ulElement.nativeElement.scrollTop = liElement.nativeElement.offsetTop;
}
}
}
/**
* @param {?} index
* @return {?}
*/
scrollNext(index) {
if (index + 1 > this.matches.length - 1) {
this.scrollToTop();
return;
}
if (this.liElements) {
const /** @type {?} */ liElement = this.liElements.toArray()[index + 1];
if (liElement && !this.isScrolledIntoView(liElement.nativeElement)) {
this.ulElement.nativeElement.scrollTop =
liElement.nativeElement.offsetTop -
Number(this.ulElement.nativeElement.offsetHeight) +
Number(liElement.nativeElement.offsetHeight);
}
}
}
/**
* @return {?}
*/
scrollToBottom() {
this.ulElement.nativeElement.scrollTop = this.ulElement.nativeElement.scrollHeight;
}
/**
* @return {?}
*/
scrollToTop() {
this.ulElement.nativeElement.scrollTop = 0;
}
}
TypeaheadContainerComponent.decorators = [
{ type: Component, args: [{
selector: 'typeahead-container',
// tslint:disable-next-line
template: "<!-- inject options list template -->\n<ng-template [ngTemplateOutlet]=\"optionsListTemplate || (isBs4 ? bs4Template : bs3Template)\"\n [ngTemplateOutletContext]=\"{matches:matches, itemTemplate:itemTemplate, query:query}\"></ng-template>\n\n<!-- default options item template -->\n<ng-template #bsItemTemplate let-match=\"match\" let-query=\"query\"><span [innerHtml]=\"highlight(match, query)\"></span>\n</ng-template>\n\n<!-- Bootstrap 3 options list template -->\n<ng-template #bs3Template>\n <ul class=\"dropdown-menu\"\n #ulElement\n [style.overflow-y]=\"needScrollbar ? 'scroll': 'auto'\"\n [style.height]=\"needScrollbar ? guiHeight: 'auto'\">\n <ng-template ngFor let-match let-i=\"index\" [ngForOf]=\"matches\">\n <li #liElements *ngIf=\"match.isHeader()\" class=\"dropdown-header\">{{ match }}</li>\n <li #liElements *ngIf=\"!match.isHeader()\" [class.active]=\"isActive(match)\" (mouseenter)=\"selectActive(match)\">\n <a href=\"#\" (click)=\"selectMatch(match, $event)\" tabindex=\"-1\">\n <ng-template [ngTemplateOutlet]=\"itemTemplate || bsItemTemplate\"\n [ngTemplateOutletContext]=\"{item:match.item, index:i, match:match, query:query}\"></ng-template>\n </a>\n </li>\n </ng-template>\n </ul>\n</ng-template>\n\n<!-- Bootstrap 4 options list template -->\n<ng-template #bs4Template>\n <ng-template ngFor let-match let-i=\"index\" [ngForOf]=\"matches\">\n <h6 *ngIf=\"match.isHeader()\" class=\"dropdown-header\">{{ match }}</h6>\n <ng-template [ngIf]=\"!match.isHeader()\">\n <button #liElements\n class=\"dropdown-item\"\n (click)=\"selectMatch(match, $event)\"\n (mouseenter)=\"selectActive(match)\"\n [class.active]=\"isActive(match)\">\n <ng-template [ngTemplateOutlet]=\"itemTemplate || bsItemTemplate\"\n [ngTemplateOutletContext]=\"{item:match.item, index:i, match:match, query:query}\"></ng-template>\n </button>\n </ng-template>\n </ng-template>\n</ng-template>\n",
host: {
class: 'dropdown open',
'[class.dropdown-menu]': 'isBs4',
'[style.overflow-y]': `isBs4 && needScrollbar ? 'scroll': 'visible'`,
'[style.height]': `isBs4 && needScrollbar ? guiHeight: 'auto'`,
'[style.visibility]': `typeaheadScrollable ? 'hidden' : 'visible'`,
'[class.dropup]': 'dropup',
style: 'position: absolute;display: block;'
}
}] }
];
/** @nocollapse */
TypeaheadContainerComponent.ctorParameters = () => [
{ type: ElementRef, },
{ type: Renderer2, },
];
TypeaheadContainerComponent.propDecorators = {
"ulElement": [{ type: ViewChild, args: ['ulElement',] },],
"liElements": [{ type: ViewChildren, args: ['liElements',] },],
"focusLost": [{ type: HostListener, args: ['mouseleave',] }, { type: HostListener, args: ['blur',] },],
};
function TypeaheadContainerComponent_tsickle_Closure_declarations() {
/** @type {!Array<{type: !Function, args: (undefined|!Array<?>)}>} */
TypeaheadContainerComponent.decorators;
/**
* @nocollapse
* @type {function(): !Array<(null|{type: ?, decorators: (undefined|!Array<{type: !Function, args: (undefined|!Array<?>)}>)})>}
*/
TypeaheadContainerComponent.ctorParameters;
/** @type {!Object<string,!Array<{type: !Function, args: (undefined|!Array<?>)}>>} */
TypeaheadContainerComponent.propDecorators;
/** @type {?} */
TypeaheadContainerComponent.prototype.parent;
/** @type {?} */
TypeaheadContainerComponent.prototype.query;
/** @type {?} */
TypeaheadContainerComponent.prototype.element;
/** @type {?} */
TypeaheadContainerComponent.prototype.isFocused;
/** @type {?} */
TypeaheadContainerComponent.prototype.top;
/** @type {?} */
TypeaheadContainerComponent.prototype.left;
/** @type {?} */
TypeaheadContainerComponent.prototype.display;
/** @type {?} */
TypeaheadContainerComponent.prototype.placement;
/** @type {?} */
TypeaheadContainerComponent.prototype.dropup;
/** @type {?} */
TypeaheadContainerComponent.prototype.guiHeight;
/** @type {?} */
TypeaheadContainerComponent.prototype.needScrollbar;
/** @type {?} */
TypeaheadContainerComponent.prototype._active;
/** @type {?} */
TypeaheadContainerComponent.prototype._matches;
/** @type {?} */
TypeaheadContainerComponent.prototype.ulElement;
/** @type {?} */
TypeaheadContainerComponent.prototype.liElements;
/** @type {?} */
TypeaheadContainerComponent.prototype.isScrolledIntoView;
/** @type {?} */
TypeaheadContainerComponent.prototype.renderer;
}
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{\n  Component,\n  ElementRef,\n  HostListener,\n  QueryList,\n  TemplateRef,\n  ViewChild,\n  ViewChildren,\n  Renderer2\n} from '@angular/core';\n\nimport { isBs3, Utils } from 'ngx-bootstrap/utils';\nimport { latinize } from './typeahead-utils';\nimport { TypeaheadMatch } from './typeahead-match.class';\nimport { TypeaheadDirective } from './typeahead.directive';\n\n@Component({\n  selector: 'typeahead-container',\n  // tslint:disable-next-line\n  templateUrl: './typeahead-container.component.html',\n  host: {\n    class: 'dropdown open',\n    '[class.dropdown-menu]': 'isBs4',\n    '[style.overflow-y]' : `isBs4 && needScrollbar ? 'scroll': 'visible'`,\n    '[style.height]': `isBs4 && needScrollbar ? guiHeight: 'auto'`,\n    '[style.visibility]': `typeaheadScrollable ? 'hidden' : 'visible'`,\n    '[class.dropup]': 'dropup',\n    style: 'position: absolute;display: block;'\n  }\n})\nexport class TypeaheadContainerComponent {\n  parent: TypeaheadDirective;\n  query: string[] | string;\n  element: ElementRef;\n  isFocused = false;\n  top: string;\n  left: string;\n  display: string;\n  placement: string;\n  dropup: boolean;\n  guiHeight: string;\n  needScrollbar: boolean;\n\n  get isBs4(): boolean {\n    return !isBs3();\n  }\n\n  protected _active: TypeaheadMatch;\n  protected _matches: TypeaheadMatch[] = [];\n\n  @ViewChild('ulElement')\n  private ulElement: ElementRef;\n\n  @ViewChildren('liElements')\n  private liElements: QueryList<ElementRef>;\n\n  constructor(element: ElementRef, private renderer: Renderer2) {\n    this.element = element;\n  }\n\n  get active(): TypeaheadMatch {\n    return this._active;\n  }\n\n  get matches(): TypeaheadMatch[] {\n    return this._matches;\n  }\n\n  set matches(value: TypeaheadMatch[]) {\n    this._matches = value;\n    this.needScrollbar = this.typeaheadScrollable && this.typeaheadOptionsInScrollableView < this.matches.length;\n    if (this.typeaheadScrollable) {\n      setTimeout(() => {\n        this.setScrollableMode();\n      });\n    }\n\n    if (this._matches.length > 0) {\n      this._active = this._matches[0];\n      if (this._active.isHeader()) {\n        this.nextActiveMatch();\n      }\n    }\n  }\n// tslint:disable-next-line:no-any\n  get optionsListTemplate(): TemplateRef<any> {\n    return this.parent ? this.parent.optionsListTemplate : undefined;\n  }\n\n  get typeaheadScrollable(): boolean {\n    return this.parent ? this.parent.typeaheadScrollable : false;\n  }\n\n\n  get typeaheadOptionsInScrollableView(): number {\n    return this.parent ? this.parent.typeaheadOptionsInScrollableView : 5;\n  }\n// tslint:disable-next-line:no-any\n  get itemTemplate(): TemplateRef<any> {\n    return this.parent ? this.parent.typeaheadItemTemplate : undefined;\n  }\n\n  selectActiveMatch(): void {\n    this.selectMatch(this._active);\n  }\n\n  prevActiveMatch(): void {\n    const index = this.matches.indexOf(this._active);\n    this._active = this.matches[\n      index - 1 < 0 ? this.matches.length - 1 : index - 1\n      ];\n    if (this._active.isHeader()) {\n      this.prevActiveMatch();\n    }\n    if (this.typeaheadScrollable) {\n      this.scrollPrevious(index);\n    }\n  }\n\n  nextActiveMatch(): void {\n    const index = this.matches.indexOf(this._active);\n    this._active = this.matches[\n      index + 1 > this.matches.length - 1 ? 0 : index + 1\n      ];\n    if (this._active.isHeader()) {\n      this.nextActiveMatch();\n    }\n    if (this.typeaheadScrollable) {\n      this.scrollNext(index);\n    }\n  }\n\n  selectActive(value: TypeaheadMatch): void {\n    this.isFocused = true;\n    this._active = value;\n  }\n\n  highlight(match: TypeaheadMatch, query: string[] | string): string {\n    let itemStr: string = match.value;\n    let itemStrHelper: string = (this.parent && this.parent.typeaheadLatinize\n      ? latinize(itemStr)\n      : itemStr).toLowerCase();\n    let startIdx: number;\n    let tokenLen: number;\n    // Replaces the capture string with the same string inside of a \"strong\" tag\n    if (typeof query === 'object') {\n      const queryLen: number = query.length;\n      for (let i = 0; i < queryLen; i += 1) {\n        // query[i] is already latinized and lower case\n        startIdx = itemStrHelper.indexOf(query[i]);\n        tokenLen = query[i].length;\n        if (startIdx >= 0 && tokenLen > 0) {\n          itemStr =\n            `${itemStr.substring(0, startIdx)}<strong>${itemStr.substring(startIdx, startIdx + tokenLen)}</strong>` +\n            `${itemStr.substring(startIdx + tokenLen)}`;\n          itemStrHelper =\n            `${itemStrHelper.substring(0, startIdx)}        ${' '.repeat(tokenLen)}         ` +\n            `${itemStrHelper.substring(startIdx + tokenLen)}`;\n        }\n      }\n    } else if (query) {\n      // query is already latinized and lower case\n      startIdx = itemStrHelper.indexOf(query);\n      tokenLen = query.length;\n      if (startIdx >= 0 && tokenLen > 0) {\n        itemStr =\n          `${itemStr.substring(0, startIdx)}<strong>${itemStr.substring(startIdx, startIdx + tokenLen)}</strong>` +\n          `${itemStr.substring(startIdx + tokenLen)}`;\n      }\n    }\n\n    return itemStr;\n  }\n\n  @HostListener('mouseleave')\n  @HostListener('blur')\n  focusLost(): void {\n    this.isFocused = false;\n  }\n\n  isActive(value: TypeaheadMatch): boolean {\n    return this._active === value;\n  }\n\n  selectMatch(value: TypeaheadMatch, e: Event = void 0): boolean {\n    if (e) {\n      e.stopPropagation();\n      e.preventDefault();\n    }\n    this.parent.changeModel(value);\n    setTimeout(() => this.parent.typeaheadOnSelect.emit(value), 0);\n\n    return false;\n  }\n\n  setScrollableMode(): void {\n    if (!this.ulElement) {\n      this.ulElement = this.element;\n    }\n    if (this.liElements.first) {\n      const ulStyles = Utils.getStyles(this.ulElement.nativeElement);\n      const liStyles = Utils.getStyles(this.liElements.first.nativeElement);\n      const ulPaddingBottom = parseFloat((ulStyles['padding-bottom'] ? ulStyles['padding-bottom'] : '')\n        .replace('px', ''));\n      const ulPaddingTop = parseFloat((ulStyles['padding-top'] ? ulStyles['padding-top'] : '0')\n        .replace('px', ''));\n      const optionHeight = parseFloat((liStyles.height ? liStyles.height : '0')\n        .replace('px', ''));\n      const height = this.typeaheadOptionsInScrollableView * optionHeight;\n      this.guiHeight = `${height + ulPaddingTop + ulPaddingBottom}px`;\n    }\n    this.renderer.setStyle(this.element.nativeElement, 'visibility', 'visible');\n  }\n\n  scrollPrevious(index: number): void {\n    if (index === 0) {\n      this.scrollToBottom();\n\n      return;\n    }\n    if (this.liElements) {\n      const liElement = this.liElements.toArray()[index - 1];\n      if (liElement && !this.isScrolledIntoView(liElement.nativeElement)) {\n        this.ulElement.nativeElement.scrollTop = liElement.nativeElement.offsetTop;\n      }\n    }\n  }\n\n  scrollNext(index: number): void {\n    if (index + 1 > this.matches.length - 1) {\n      this.scrollToTop();\n\n      return;\n    }\n    if (this.liElements) {\n      const liElement = this.liElements.toArray()[index + 1];\n      if (liElement && !this.isScrolledIntoView(liElement.nativeElement)) {\n        this.ulElement.nativeElement.scrollTop =\n          liElement.nativeElement.offsetTop -\n          Number(this.ulElement.nativeElement.offsetHeight) +\n          Number(liElement.nativeElement.offsetHeight);\n      }\n    }\n  }\n\n\n  private isScrolledIntoView = function (elem: HTMLElement) {\n    const containerViewTop: number = this.ulElement.nativeElement.scrollTop;\n    const containerViewBottom = containerViewTop + Number(this.ulElement.nativeElement.offsetHeight);\n    const elemTop = elem.offsetTop;\n    const elemBottom = elemTop + elem.offsetHeight;\n\n    return ((elemBottom <= containerViewBottom) && (elemTop >= containerViewTop));\n  };\n\n  private scrollToBottom(): void {\n    this.ulElement.nativeElement.scrollTop = this.ulElement.nativeElement.scrollHeight;\n  }\n\n  private scrollToTop(): void {\n    this.ulElement.nativeElement.scrollTop = 0;\n  }\n}\n"]}