BookStack/resources/js/components/setting-app-color-scheme.js

82 lines
2.8 KiB
JavaScript

import {Component} from "./component";
export class SettingAppColorScheme extends Component {
setup() {
this.container = this.$el;
this.mode = this.$opts.mode;
this.lightContainer = this.$refs.lightContainer;
this.darkContainer = this.$refs.darkContainer;
this.container.addEventListener('tabs-change', event => {
const panel = event.detail.showing;
const newMode = (panel === 'color-scheme-panel-light') ? 'light' : 'dark';
this.handleModeChange(newMode);
});
const onInputChange = (event) => {
this.updateAppColorsFromInputs();
if (event.target.name.startsWith('setting-app-color')) {
this.updateLightForInput(event.target);
}
};
this.container.addEventListener('change', onInputChange);
this.container.addEventListener('input', onInputChange);
}
handleModeChange(newMode) {
this.mode = newMode;
const isDark = (newMode === 'dark');
document.documentElement.classList.toggle('dark-mode', isDark);
this.updateAppColorsFromInputs();
}
updateAppColorsFromInputs() {
const inputContainer = this.mode === 'dark' ? this.darkContainer : this.lightContainer;
const inputs = inputContainer.querySelectorAll('input[type="color"]');
for (const input of inputs) {
const splitName = input.name.split('-');
const colorPos = splitName.indexOf('color');
let cssId = splitName.slice(1, colorPos).join('-');
if (cssId === 'app') {
cssId = 'primary';
}
const varName = '--color-' + cssId;
document.body.style.setProperty(varName, input.value);
}
}
/**
* Update the 'light' app color variant for the given input.
* @param {HTMLInputElement} input
*/
updateLightForInput(input) {
const lightName = input.name.replace('-color', '-color-light');
const hexVal = input.value;
const rgb = this.hexToRgb(hexVal);
const rgbLightVal = 'rgba('+ [rgb.r, rgb.g, rgb.b, '0.15'].join(',') +')';
console.log(input.name, lightName, hexVal, rgbLightVal)
const lightColorInput = this.container.querySelector(`input[name="${lightName}"][type="hidden"]`);
lightColorInput.value = rgbLightVal;
}
/**
* Covert a hex color code to rgb components.
* @attribution https://stackoverflow.com/a/5624139
* @param {String} hex
* @returns {{r: Number, g: Number, b: Number}}
*/
hexToRgb(hex) {
const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/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
};
}
}