ng-masonry-layout
Version:
Angular Module for displaying a feed of items in a masonry layout using https://github.com/desandro/masonry
196 lines • 14.2 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
import { Component, Input, Output, ElementRef, EventEmitter, PLATFORM_ID, Inject } from '@angular/core';
import { isPlatformBrowser } from '@angular/common';
/** @type {?} */
let imagesLoaded;
/** @type {?} */
let masonryConstructor;
export class NgxMasonryComponent {
/**
* @param {?} platformId
* @param {?} _element
*/
constructor(platformId, _element) {
this.platformId = platformId;
this._element = _element;
this.useImagesLoaded = false;
this.updateLayout = false;
// Outputs
this.layoutComplete = new EventEmitter();
this.removeComplete = new EventEmitter();
}
/**
* @return {?}
*/
ngOnInit() {
// if (this.useImagesLoaded && imagesLoaded === undefined) {
// imagesLoaded = require('imagesloaded');
// }
if (isPlatformBrowser(this.platformId) && masonryConstructor === undefined) {
masonryConstructor = require('masonry-layout');
}
// Create masonry options object
if (!this.options) {
this.options = {};
}
// Set default itemSelector
if (!this.options.itemSelector) {
this.options.itemSelector = '[ngxMasonryItem], ngxMasonryItem';
}
if (isPlatformBrowser(this.platformId)) {
// Initialize Masonry
this._msnry = new masonryConstructor(this._element.nativeElement, this.options);
// Bind to events
this._msnry.on('layoutComplete', (/**
* @param {?} items
* @return {?}
*/
(items) => {
this.layoutComplete.emit(items);
}));
this._msnry.on('removeComplete', (/**
* @param {?} items
* @return {?}
*/
(items) => {
this.removeComplete.emit(items);
}));
}
}
/**
* @param {?} changes
* @return {?}
*/
ngOnChanges(changes) {
// only update layout if it's not the first change
if (changes.updateLayout) {
if (!changes.updateLayout.firstChange) {
this.layout();
}
}
}
/**
* @return {?}
*/
ngOnDestroy() {
if (this._msnry) {
this._msnry.destroy();
}
}
/**
* @return {?}
*/
layout() {
setTimeout((/**
* @return {?}
*/
() => {
this._msnry.layout();
}));
}
/**
* @return {?}
*/
reloadItems() {
setTimeout((/**
* @return {?}
*/
() => {
this._msnry.reloadItems();
}));
}
// public add(element: HTMLElement, prepend: boolean = false) {
/**
* @param {?} element
* @return {?}
*/
add(element) {
/** @type {?} */
let isFirstItem = false;
// Check if first item
if (this._msnry.items.length === 0) {
isFirstItem = true;
}
if (this.useImagesLoaded) {
// imagesLoaded(element, (instance: any) => {
// this._element.nativeElement.appendChild(element);
// // Tell Masonry that a child element has been added
// this._msnry.appended(element);
// // layout if first item
// if (isFirstItem) {
// this.layout();
// }
// });
// this._element.nativeElement.removeChild(element);
}
else {
// Tell Masonry that a child element has been added
this._msnry.appended(element);
// layout if first item
if (isFirstItem) {
this.layout();
}
}
}
/**
* @param {?} element
* @return {?}
*/
remove(element) {
// Tell Masonry that a child element has been removed
this._msnry.remove(element);
// Layout items
this.layout();
}
}
NgxMasonryComponent.decorators = [
{ type: Component, args: [{
selector: '[ngx-masonry], ngx-masonry',
template: '<ng-content></ng-content>',
styles: [`
:host {
display: block;
}
`]
}] }
];
/** @nocollapse */
NgxMasonryComponent.ctorParameters = () => [
{ type: undefined, decorators: [{ type: Inject, args: [PLATFORM_ID,] }] },
{ type: ElementRef }
];
NgxMasonryComponent.propDecorators = {
options: [{ type: Input }],
useImagesLoaded: [{ type: Input }],
updateLayout: [{ type: Input }],
layoutComplete: [{ type: Output }],
removeComplete: [{ type: Output }]
};
if (false) {
/** @type {?} */
NgxMasonryComponent.prototype._msnry;
/** @type {?} */
NgxMasonryComponent.prototype.options;
/** @type {?} */
NgxMasonryComponent.prototype.useImagesLoaded;
/** @type {?} */
NgxMasonryComponent.prototype.updateLayout;
/** @type {?} */
NgxMasonryComponent.prototype.layoutComplete;
/** @type {?} */
NgxMasonryComponent.prototype.removeComplete;
/**
* @type {?}
* @private
*/
NgxMasonryComponent.prototype.platformId;
/**
* @type {?}
* @private
*/
NgxMasonryComponent.prototype._element;
}
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{\n  Component,\n  OnInit,\n  OnChanges,\n  SimpleChanges,\n  OnDestroy,\n  Input,\n  Output,\n  ElementRef,\n  EventEmitter,\n  PLATFORM_ID,\n  Inject\n} from '@angular/core';\nimport { isPlatformBrowser } from '@angular/common';\n\ndeclare var require: any;\nlet imagesLoaded: any;\nlet masonryConstructor: any;\n\nimport { NgxMasonryOptions } from './ngx-masonry-options';\n\n@Component({\n  selector: '[ngx-masonry], ngx-masonry',\n  template: '<ng-content></ng-content>',\n  styles: [\n    `\n\t\t:host {\n\t\t\tdisplay: block;\n\t\t}\n\t`\n  ]\n})\nexport class NgxMasonryComponent implements OnInit, OnChanges, OnDestroy {\n  constructor(@Inject(PLATFORM_ID) private platformId: any, private _element: ElementRef) {}\n\n  public _msnry: any;\n\n  // Inputs\n  @Input() public options: NgxMasonryOptions;\n  @Input() public useImagesLoaded: Boolean = false;\n  @Input() updateLayout: Boolean = false;\n\n  // Outputs\n  @Output() layoutComplete: EventEmitter<any[]> = new EventEmitter<any[]>();\n  @Output() removeComplete: EventEmitter<any[]> = new EventEmitter<any[]>();\n\n  ngOnInit() {\n    // if (this.useImagesLoaded && imagesLoaded === undefined) {\n    //   imagesLoaded = require('imagesloaded');\n    // }\n\n    if (isPlatformBrowser(this.platformId) && masonryConstructor === undefined) {\n      masonryConstructor = require('masonry-layout');\n    }\n\n    // Create masonry options object\n    if (!this.options) {\n      this.options = {};\n    }\n\n    // Set default itemSelector\n    if (!this.options.itemSelector) {\n      this.options.itemSelector = '[ngxMasonryItem], ngxMasonryItem';\n    }\n\n    if (isPlatformBrowser(this.platformId)) {\n      // Initialize Masonry\n      this._msnry = new masonryConstructor(this._element.nativeElement, this.options);\n\n      // Bind to events\n      this._msnry.on('layoutComplete', (items: any) => {\n        this.layoutComplete.emit(items);\n      });\n      this._msnry.on('removeComplete', (items: any) => {\n        this.removeComplete.emit(items);\n      });\n    }\n  }\n\n  ngOnChanges(changes: SimpleChanges) {\n    // only update layout if it's not the first change\n    if (changes.updateLayout) {\n      if (!changes.updateLayout.firstChange) {\n        this.layout();\n      }\n    }\n  }\n\n  ngOnDestroy() {\n    if (this._msnry) {\n      this._msnry.destroy();\n    }\n  }\n\n  public layout() {\n    setTimeout(() => {\n      this._msnry.layout();\n    });\n  }\n\n  public reloadItems() {\n    setTimeout(() => {\n      this._msnry.reloadItems();\n    });\n  }\n\n  // public add(element: HTMLElement, prepend: boolean = false) {\n  public add(element: HTMLElement) {\n    let isFirstItem = false;\n\n    // Check if first item\n    if (this._msnry.items.length === 0) {\n      isFirstItem = true;\n    }\n\n    if (this.useImagesLoaded) {\n      // imagesLoaded(element, (instance: any) => {\n      //   this._element.nativeElement.appendChild(element);\n\n      //   // Tell Masonry that a child element has been added\n      //   this._msnry.appended(element);\n\n      //   // layout if first item\n      //   if (isFirstItem) {\n      //     this.layout();\n      //   }\n      // });\n\n      // this._element.nativeElement.removeChild(element);\n    } else {\n      // Tell Masonry that a child element has been added\n      this._msnry.appended(element);\n\n      // layout if first item\n      if (isFirstItem) {\n        this.layout();\n      }\n    }\n  }\n\n  public remove(element: HTMLElement) {\n    // Tell Masonry that a child element has been removed\n    this._msnry.remove(element);\n\n    // Layout items\n    this.layout();\n  }\n}\n"]}