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@primeboard/swipe-layout

v2.0.4

Published

Easy Swipe Layout for NativeScript

Downloads

8

Readme

Credit

This package has been upgraded to fix dependecy issues requiring old Nativescript versions - original package developed by @rhanb and located at https://www.npmjs.com/package/nativescript-swipe-layout

Nativescript-swipe-layout

npm npm

NPM

Simple swipeable layout, which allow you to drag it, detect swipe events, and perform swipe animations.

Developed with :heart: by the team NativeBaguette 🥖

Installation

tns plugin add nativescript-swipe-layout

Usage

NativeScript with Angular

Here is an example of how you can use this plugin to build a tinder like stack of cards. Here, the plugin nativescript-cardview is used.

XML

app.component.html

<ActionBar title="swipe-layout" icon="" class="action-bar">
</ActionBar>
<GridLayout rows="*, auto" columns="*" backgroundColor="#77849F">
    <SwipeLayout *ngFor="let card of cards" row="0" colSpan="3" col="0" (loaded)="swipeLayoutLoaded($event)" (swipeDown)="swipeDownCallback($event)" (swipeUp)="swipeUpCallback($event)" [animationState]="swipeLayoutAnimated" [gestureMode]="gestureMode">
        <CardView width="300" height="300" backgroundColor="white" margin="10" elevation="40" radius="5">
            <GridLayout rows="200, auto" columns="*">
                <image [src]="card.img" stretch="aspectFill" colSpan="3" row="0"></image>
                <label [text]="card.test" class="info" textWrap="true" row="1" colSpan="3" class="p-20"></label>
            </GridLayout>
        </CardView>
    </SwipeLayout>
    <GridLayout row="1" rows="*" columns="auto, auto, auto">
        <Button (tap)="like()" row="0" col="0" class="p-20" class="btn btn-primary p-20" text="LIKE">
                </Button>
        <Button text="SUPER" (tap)="super()" row="0" col="1" class="btn p-20" backgroundColor="#5BD6BB" color="white"></Button>
        <Button text="DECLINE" (tap)="decline()" row="0" col="2" class="btn p-20" backgroundColor="#B33A3A" color="white"></Button>
    </GridLayout>
</GridLayout>

Component

app.component.ts

import { Component, ElementRef, ViewChild } from "@angular/core";
.
. // other imports
.
registerElement("CardView", () => CardView);
registerElement('SwipeLayout', () => SwipeLayout);

@Component({
    selector: "ns-app",
    templateUrl: "app.component.html",
})

export class AppComponent {
    private _swipeLayouts: Array<SwipeLayout>;
    private currentSwipeLayout: SwipeLayout;
    public swipeLayoutAnimated: ANIMATION_STATE;
    public gestureMode: GESTURE_MODE;

    public cards: Array<any> = [{ // dumb cards
        img: "https://img.youtube.com/vi/GGhKPm18E48/mqdefault.jpg",
        test: "Batman is pretty cool right?"
    },
    {
        img: "https://img.youtube.com/vi/GGhKPm18E48/mqdefault.jpg",
        test: "Batman is pretty cool right?"
    }, {
        img: "https://img.youtube.com/vi/GGhKPm18E48/mqdefault.jpg",
        test: "Batman is pretty cool right?"
    }, {
        img: "https://img.youtube.com/vi/GGhKPm18E48/mqdefault.jpg",
        test: "Batman is pretty cool right?"
    }, {
        img: "https://img.youtube.com/vi/GGhKPm18E48/mqdefault.jpg",
        test: "Batman is pretty cool right?"
    }, {
        img: "https://img.youtube.com/vi/GGhKPm18E48/mqdefault.jpg",
        test: "Batman is pretty cool right?"
    }]

    constructor(private fonticon: TNSFontIconService) {
        this._swipeLayouts = new Array();
        this.swipeLayoutAnimated = ANIMATION_STATE.ON_EVENTS; // Will animate only on swipe down and up events
        this.gestureMode = GESTURE_MODE.DRAG; // Cards will be draggable
    }

    swipeLayoutLoaded(event) {
        this._swipeLayouts.push(<SwipeLayout>event.object); // Since it's an Array everytime a SwipeLayout load we add it
    }

    ngAfterViewInit(): void {
        this.currentSwipeLayout = this._swipeLayouts[this._swipeLayouts.length - 1];
    }

    private next() {
        this._swipeLayouts.pop();
        this.currentSwipeLayout = this._swipeLayouts[this._swipeLayouts.length - 1];
    }
    
    swipeLeftCallback(swipeLeftEvent: SwipeLeftEventData) { // never called (not binded to the XML)
        console.log('swipeLeft');
        this.next();
    }

    swipeRightCallback(swipeRightEvent: SwipeRightEventData) { // never called (not binded to the XML)
        console.log('swipeRight');
        this.next();
    }
    
    swipeUpCallback(swipeUpEvent: SwipeUpEventData) { // called once the swipe up animation is done
        console.log('swipeUp');
        this.next();
    }
    
    swipeDownCallback(swipeDownEvent: SwipeDownEventData) { // called once the swipe down animation is done
        console.log('swipeDown');
        this.next();
    }

    decline() { // red button  on tap callback
        let that = this;
        this.currentSwipeLayout.animateSwipeRight().then(() => {
            that.next();
            console.log('swipeLeft done');
        });
    }


    like() { // blue button on tap callback
        let that = this;
        this.currentSwipeLayout.animateSwipeLeft().then(() => {
            that.next();
            console.log('swipeRight done');
        });
    }

    super() { // green button on tap callback
        let that = this;
        this.currentSwipeLayout.animateSwipeUp().then(() => {
            that.next();
            console.log("swipeUp done");
        });
    }
}

API

Further reading here.

Properties

| Property | Type | Default | Description | | --- | --- | --- | --- | | swipeRight | function | null | Callback called when the layout is swiped to the right and the swipe animation is done. | | swipeLeft | function | null | Callback called when the layout is swiped to the left and the swipe animation is done. | | swipeUp | function | null | Callback called when the layout is swiped up and the swipe animation is done. | | swipeDown | function | null | Callback called when the layout is swiped down and the swipe animation is done. | | animationState | ANIMATION_STATE | ANIMATION_STATE.ALWAYS | Enable to perform animation when swipe events are fired, not at all or only on swipe events with a callback | | gestureMode | GESTURE_MODE | GESTURE_MODE.SWIPE | Allow to choose between the drag behavior or the swipe behavior |

Methods

| Method | Return | Parameters | Description | | --- | --- | --- | --- | | animateSwipeRight | Promise<void>| None | Method to manually start the swipe right animation. | | animateSwipeLeft | Promise<void>| None | Method to manually start the swipe left animation | | animateSwipeUp | Promise<void>| None | Method to manually start the swipe up animation | | animateSwipeDown | Promise<void>| None | Method to manually start the swipe down animation | | swipe | Promise<void>| (swipeEvent: SwipeEventData) | Method to manually start the swipe animation but has a parameter. From the direction given, will perform the right animation |

All the method abose can be override, you can customise the animations as you want. If you wan't to override the animation which is performed on a swipe event you'll have to override the swipe method, since it's the one which is called when the event is fired :fire:

NativeBaguette 🥖

| | | | | :---: |:---: |:---: |:---: |:---: | rkhayyat |rhanb |triniwiz |bradmartin |jlooper |