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83 lines
2.8 KiB
JavaScript
83 lines
2.8 KiB
JavaScript
import {Component} from "./component";
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export class SettingAppColorScheme extends Component {
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setup() {
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this.container = this.$el;
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this.mode = this.$opts.mode;
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this.lightContainer = this.$refs.lightContainer;
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this.darkContainer = this.$refs.darkContainer;
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this.container.addEventListener('tabs-change', event => {
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const panel = event.detail.showing;
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const newMode = (panel === 'color-scheme-panel-light') ? 'light' : 'dark';
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this.handleModeChange(newMode);
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});
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const onInputChange = (event) => {
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this.updateAppColorsFromInputs();
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if (event.target.name.startsWith('setting-app-color')) {
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this.updateLightForInput(event.target);
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}
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};
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this.container.addEventListener('change', onInputChange);
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this.container.addEventListener('input', onInputChange);
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}
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handleModeChange(newMode) {
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this.mode = newMode;
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const isDark = (newMode === 'dark');
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document.documentElement.classList.toggle('dark-mode', isDark);
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this.updateAppColorsFromInputs();
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}
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updateAppColorsFromInputs() {
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const inputContainer = this.mode === 'dark' ? this.darkContainer : this.lightContainer;
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const inputs = inputContainer.querySelectorAll('input[type="color"]');
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for (const input of inputs) {
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const splitName = input.name.split('-');
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const colorPos = splitName.indexOf('color');
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let cssId = splitName.slice(1, colorPos).join('-');
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if (cssId === 'app') {
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cssId = 'primary';
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}
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const varName = '--color-' + cssId;
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document.body.style.setProperty(varName, input.value);
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}
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}
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/**
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* Update the 'light' app color variant for the given input.
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* @param {HTMLInputElement} input
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*/
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updateLightForInput(input) {
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const lightName = input.name.replace('-color', '-color-light');
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const hexVal = input.value;
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const rgb = this.hexToRgb(hexVal);
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const rgbLightVal = 'rgba('+ [rgb.r, rgb.g, rgb.b, '0.15'].join(',') +')';
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console.log(input.name, lightName, hexVal, rgbLightVal)
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const lightColorInput = this.container.querySelector(`input[name="${lightName}"][type="hidden"]`);
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lightColorInput.value = rgbLightVal;
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}
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/**
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* Covert a hex color code to rgb components.
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* @attribution https://stackoverflow.com/a/5624139
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* @param {String} hex
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* @returns {{r: Number, g: Number, b: Number}}
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*/
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hexToRgb(hex) {
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const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
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return {
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r: result ? parseInt(result[1], 16) : 0,
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g: result ? parseInt(result[2], 16) : 0,
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b: result ? parseInt(result[3], 16) : 0
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};
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}
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}
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