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ngx-masonry

(★ 157)

Angular Module for displaying a feed of items in a masonry layout

파일 탐색기

최종 버전 다운로드 (.zip)

- - ngx-masonry-options.ts
  - ngx-masonry.component.ts
  - ngx-masonry.directive.ts
  - ngx-masonry.module.ts
- public-api.ts
- test.ts
.gitignore
CHANGELOG.md
karma.conf.js
LICENSE
ng-package.json
ng-package.prod.json
package.json
README.md
tsconfig.lib.json
tsconfig.lib.prod.json
tsconfig.spec.json
tslint.json

# 설치 가이드

1. 코드 내려받기

git clone https://github.com/wynfred/ngx-masonry

깃허브에서 프로젝트 코드 전체를 내 컴퓨터로 내려받습니다.

cd ngx-masonry

방금 내려받은 프로젝트 폴더 안으로 이동합니다.

2. Node.js

쉬움 추천

사전 준비물

Git GitHub에서 프로젝트 코드를 내려받으려면 필요합니다.
Node.js npm 명령어를 쓰려면 Node.js가 설치되어 있어야 합니다. LTS(장기지원) 버전을 추천합니다.

npm install

package.json에 명시된 라이브러리들을 내려받아 설치합니다.

npm start

개발/실행 서버를 켭니다.

✅ 명령어 실행 후 터미널에 나타나는 주소(보통 http://localhost:3000 형태)를 브라우저에서 열어보세요.

// repository documentation

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# Angular Module for displaying a feed of items in a masonry layout using [https://github.com/desandro/masonry](https://github.com/desandro/masonry)

This package was originally a fork from [https://github.com/jelgblad/angular2-masonry](https://github.com/jelgblad/angular2-masonry) to allow it to work with newer versions of Angular.

This updated version is also compatible with Angular Universal server side rendering (SSR)

[![npm version](https://badge.fury.io/js/ngx-masonry.svg)](https://www.npmjs.com/package/ngx-masonry)

## Installation

`npm install ngx-masonry masonry-layout --save`

## Usage

Import `NgxMasonryModule` into your app's modules:

```typescript
import { NgxMasonryModule } from 'ngx-masonry';

@NgModule({
  imports: [NgxMasonryModule]
})
```

```typescript
@Component({
  selector: 'my-component',
  template: `
     <ngx-masonry>
       <div ngxMasonryItem class="masonry-item" *ngFor="let item of masonryItems">
        {{item.title}}
      </div>
     </ngx-masonry>
     `,
  styles: [
    `
      .masonry-item { width: 200px; }
    `
  ]
})
class MyComponent {
  masonryItems = [
    { title: 'item 1' },
    { title: 'item 2' },
    { title: 'item 3' },
  ];
}
```

## Configuration

### Ordered

Append new items synchronously. The order of the items will be preserved, but one image in the middle will block the reset of the images.

```typescript
<ngx-masonry [options]="masonryOptions" [ordered]="true">
```

### Options

Read about Masonry options here: [Masonry Options](http://masonry.desandro.com/options.html)

The `options`-attribute takes an object with the following properties:

* itemSelector: string;
* columnWidth: number | string;
* gutter: number;
* percentPosition: boolean;
* stamp: string;
* fitWidth: boolean;
* originLeft: boolean;
* originTop: boolean;
* containerStyle: string;
* resize: boolean;
* initLayout: boolean;
* horizontalOrder: boolean;
* animations: NgxMasonryAnimations;

#### Examples

Inline object:

```html
<ngx-masonry [options]="{ gutter: 10 }"></ngx-masonry>
```

From parent component:

```typescript
import { NgxMasonryOptions } from 'ngx-masonry';

public myOptions: MasonryOptions = {
  gutter: 10
};
```

```html
<ngx-masonry [options]="myOptions"></ngx-masonry>
```

### updateLayout

ngx-masonry has an input property, `updateLayout`, which accepts a boolean and will call masonry's `layout()` method on a change. It ignores the first change when the component loads.

```html
<ngx-masonry [updateLayout]="updateMasonryLayout"></ngx-masonry>
```

When `updateMasonryLayout` is updated, the `layout()` method will be called.

### animations

You can create and set customized animations with this option.

```typescript
  animations = {
    show: [
      style({opacity: 0}),
      animate('400ms ease-in', style({opacity: 1})),
    ],
    hide: [
      style({opacity: '*'}),
      animate('400ms ease-in', style({opacity: 0})),
    ]
  }

// To disable animation
  animations = {}
```

Note that due to https://github.com/wynfred/ngx-masonry/issues/8 ngx-masonry comes without builtin animations of moving masonry items (when they change size or screen changes size). You can implement them using a css transition. Just add item css class let's say "masonry-item" and add this css code.

```css
.masonry-item {
  transition: top 0.4s ease-in-out, left 0.4s ease-in-out;
}
```

### Image Lazyload
When using any lazyload methods layout, you can add `masonryLazy` attribute to the images.

Note: When using `masonryLazy`, the layout would have an overlapping issue. If you have this issue, you would need a custom method to maintain the layout, such as adding the fixed width/height to each image. For using the image lazyload method, you can have fallback image and loading indicator is recommended.

Example:
```html
  <img masonryLazy loading="lazy" width="500px" height="300px"/>
```

## Events

### layoutComplete: `EventEmitter<any[]>`

Triggered after a layout and all positioning transitions have completed.

> [http://masonry.desandro.com/events.html#layoutcomplete](http://masonry.desandro.com/events.html#layoutcomplete)

### removeComplete: `EventEmitter<any[]>`

Triggered after an item element has been removed.

> [http://masonry.desandro.com/events.html#removecomplete](http://masonry.desandro.com/events.html#removecomplete)

### itemsLoaded: `EventEmitter<number>`

Should only be used with `ordered` mode. Triggered after the last item is loaded.

### Examples

```html
<ngx-masonry (layoutComplete)="doStuff($event)" (removeComplete)="doOtherStuff($event)"></ngx-masonry>
```

## FAQ

* How to maintain the order of items if there are images?

* Set `[ordered]` to true.
  * To insert item at the beginning: prepend the item to the array **and** set `prepend` to true.

```typescript
    <div ngxMasonryItem [prepend]="image.prepend" *ngFor="let image of masonryImages">
    ```

* If item is inserted or the list is shuffled, use `reloadItems()`

```typescript
    // get reference
    @ViewChild(NgxMasonryComponent) masonry: NgxMasonryComponent;

// after the order of items has changed
    this.masonry.reloadItems();
    this.masonry.layout();
    ```

* Why is the transitionDuration option not supported?

The builtin animation of masonry-layout doesn't work with angular well.

For more information refer to this issue:

https://github.com/wynfred/ngx-masonry/issues/8

* How to setup if I use SystemJS?

If you're using SystemJS add `ngx-masonry` and `masonry-layout` to your configuration:

```json
  packages: {
    "ngx-masonry": { "defaultExtension": "js", "main": "index" }
  },
  map: {
    "ngx-masonry": "node_modules/ngx-masonry",
    "masonry-layout": "node_modules/masonry-layout/dist/masonry.pkgd.js"
  }
  ```

* Where is imagesLoaded?

imagesLoaded is removed in V9. masonry item will support image by default

## Demo

This repository contains a working app using ngx-masonry as a child module, not as an npm package. You can go to the [demo respository](https://github.com/wynfred/ngx-masonry-demo) to view an app that uses it as an npm package.

[View a live demo here](https://ngx-masonry-demo.herokuapp.com/)