# TWSlideRuler [Demo](https://github.com/tianwen20/tw-slide-ruler)
[](https://www.npmjs.com/package/tw-slide-ruler)
[](https://www.npmjs.com/package/tw-slide-ruler)
[](https://www.npmjs.com/package/tw-slide-ruler)
###### [README in English](README.md)
原项目 [https://github.com/wusb/slide-ruler]
- 原生 js 开发、不依赖任何框架和库的轻量级移动端数字键盘
- 可自定义尺子颜色、尺寸及精度等
- 支持惯性及弹性
- API 简洁，非常好上手
## 属性
| Property | Type | Default | Description |
| :------------ | :------- | :----------- | :----------------------- |
| handleValue | Function | | 获取尺子当前值 |
| goValue | Function | | 设置尺子当前值 |
| destroy | Function | | 销毁尺子 |
| canvasWidth | Nubmer | screen width | 尺子宽度 |
| canvasHeight | Nubmer | 83 | 尺子高度 |
| heightDecimal | Nubmer | 35 | 长刻度线高度 |
| heightDigit | Nubmer | 18 | 短刻度线高度 |
| widthDecimal | Number | 2 | 长刻度线宽度 |
| widthDigit | Number | 2 | 短刻度线宽度 |
| lineWidth | Nubmer | 2 | 刻度线宽度 |
| colorDecimal | String | #E4E4E4 | 长刻度线颜色 |
| colorDigit | String | #E4E4E4 | 短刻度线颜色 |
| divide | Nubmer | 10 | 两个刻度线之间的像素宽度 |
| precision | Nubmer | 1 | 最小刻度单位 |
| fontSize | Nubmer | 20 | 刻度字体大小 |
| fontColor | String | #666666 | 刻度字体颜色 |
| fontMarginTop | Nubmer | 35 | 刻度字体与上边界距离 |
| lineMarginTop | Number | 0 | 尺子与上边界距离 |
| maxValue | Nubmer | 230 | 尺子最大值 |
| minValue | Nubmer | 100 | 尺子最小值 |
| currentValue | Nubmer | 100 | 尺子当前值 |
| vibrateDuration| Number | 20 | 震动时间 |
## Getting Started
### Install
```shell
yarn add tw-slide-ruler --dev
```
### Usage Example
- **Native JavaScript**
```html
Digital Keyboard
```
```javascript
//slide-ruler.js
import SlideRuler from 'tw-slide-ruler';
function handleValue(value){
console.log(value); //SlideRuler return value
document.querySelector('#values').innerHTML = value;
}
new SlideRuler(
{
el: document.querySelector('#app'),
maxValue: 230,
minValue: 100,
currentValue: 180,
handleValue: handleValue,
precision: 1
}
);
```
- **React**
```jsx
import React from 'react';
import SlideRuler from 'tw-slide-ruler';
class SlideRulerPage extends React.Component {
constructor(){
super();
this.handleValue = this.handleValue.bind(this);
this._renderSlideRuler = this._renderSlideRuler.bind(this);
}
componentDidMount(){
this._renderSlideRuler();
}
handleValue(value){
console.log(value); //SlideRuler return value
}
_renderSlideRuler(){
return new SlideRuler (
{
el: this.refs.slideRuler,
maxValue: 230,
minValue: 100,
currentValue: 180,
handleValue: handleValue,
precision: 1
}
);
}
render(){
return (
)
}
}
export default SlideRulerPage;
```
- **Vue**
```js
```
- **Angular**
```typescript
import { Component, ViewChild, OnInit, ViewEncapsulation} from '@angular/core';
import SlideRuler from 'tw-slide-ruler';
@Component({
selector: 'my-app',
template: `
`,
encapsulation: ViewEncapsulation.None
})
export class AppComponent implements OnInit{
@ViewChild('slideRuler') slideRuler;
ngOnInit(){
this._renderSlideRuler();
}
_renderSlideRuler(){
return new SlideRuler (
{
el: this.slideRuler.nativeElement,
maxValue: 230,
minValue: 100,
currentValue: 180,
handleValue: handleValue,
precision: 1
}
);
}
handleValue(value) {
console.log(value); //SlideRuler return value
}
}
```
## How to Contribute
Anyone and everyone is welcome to contribute to this project.
## License
[**The MIT License**](http://opensource.org/licenses/MIT).