BookStack/resources/js/components/setting-app-color-picker.js
2022-11-15 12:44:57 +00:00

49 lines
1.7 KiB
JavaScript

import {Component} from "./component";
export class SettingAppColorPicker extends Component {
setup() {
this.colorInput = this.$refs.input;
this.lightColorInput = this.$refs.lightInput;
this.colorInput.addEventListener('change', this.updateColor.bind(this));
this.colorInput.addEventListener('input', this.updateColor.bind(this));
}
/**
* Update the app colors as a preview, and create a light version of the color.
*/
updateColor() {
const hexVal = this.colorInput.value;
const rgb = this.hexToRgb(hexVal);
const rgbLightVal = 'rgba('+ [rgb.r, rgb.g, rgb.b, '0.15'].join(',') +')';
this.lightColorInput.value = rgbLightVal;
const customStyles = document.getElementById('custom-styles');
const oldColor = customStyles.getAttribute('data-color');
const oldColorLight = customStyles.getAttribute('data-color-light');
customStyles.innerHTML = customStyles.innerHTML.split(oldColor).join(hexVal);
customStyles.innerHTML = customStyles.innerHTML.split(oldColorLight).join(rgbLightVal);
customStyles.setAttribute('data-color', hexVal);
customStyles.setAttribute('data-color-light', rgbLightVal);
}
/**
* Covert a hex color code to rgb components.
* @attribution https://stackoverflow.com/a/5624139
* @param {String} hex
* @returns {{r: Number, g: Number, b: Number}}
*/
hexToRgb(hex) {
const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
return {
r: result ? parseInt(result[1], 16) : 0,
g: result ? parseInt(result[2], 16) : 0,
b: result ? parseInt(result[3], 16) : 0
};
}
}