vikunja-frontend/src/models/label.js
2019-03-07 19:48:40 +00:00

47 lines
No EOL
1.1 KiB
JavaScript

import AbstractModel from './abstractModel'
import UserModel from "./user";
export default class LabelModel extends AbstractModel {
constructor(data) {
super(data)
// Set the default color
if (this.hex_color === '') {
this.hex_color = 'e8e8e8'
}
if (this.hex_color.substring(0, 1) !== '#') {
this.hex_color = '#' + this.hex_color
}
this.textColor = this.hasDarkColor() ? '#4a4a4a' : '#e5e5e5'
this.created_by = new UserModel(this.created_by)
}
defaults() {
return {
id: 0,
title: '',
hex_color: '',
description: '',
created_by: UserModel,
listID: 0,
textColor: '',
created: 0,
updated: 0
}
}
hasDarkColor() {
if (this.hex_color === '#') {
return true // Defaults to dark
}
let rgb = parseInt(this.hex_color.substring(1, 7), 16); // convert rrggbb to decimal
let r = (rgb >> 16) & 0xff; // extract red
let g = (rgb >> 8) & 0xff; // extract green
let b = (rgb >> 0) & 0xff; // extract blue
// luma will be a value 0..255 where 0 indicates the darkest, and 255 the brightest
let luma = 0.2126 * r + 0.7152 * g + 0.0722 * b; // per ITU-R BT.709
return luma > 128
}
}