ohif-viewer/Packages/ohif-viewerbase/client/components/themeSelectorModal/themeSelectorModal.js

81 lines
2.2 KiB
JavaScript

import { Template } from 'meteor/templating';
import { ReactiveDict } from 'meteor/reactive-dict';
const DEFAULT_THEME = 'tide';
const getCurrentTheme = () => sessionStorage.getItem('theme');
const setActualTheme = theme => sessionStorage.setItem('theme', theme);
const addThemeToBody = theme => document.body.classList.add('theme-' + theme);
const removeThemesFromBody = () => {
const classList = document.body.classList;
for (let i = classList.length - 1; i >= 0; i--) {
if (classList[i].search('theme-') !== -1) {
document.body.classList.remove(classList[i]);
}
}
};
Template.themeSelectorModal.onCreated(() => {
const instance = Template.instance();
let currentTheme = getCurrentTheme();
if (!currentTheme) {
currentTheme = DEFAULT_THEME;
setActualTheme(currentTheme);
}
instance.state = new ReactiveDict();
instance.state.set('selectedTheme', currentTheme);
addThemeToBody(currentTheme);
instance.container = {
currentTheme,
previewTheme(theme, state) {
state.set('selectedTheme', theme);
removeThemesFromBody();
addThemeToBody(theme);
},
applyTheme(state) {
setActualTheme(state.get('selectedTheme'));
},
resetState(state) {
const theme = getCurrentTheme();
state.set('selectedTheme', theme);
removeThemesFromBody();
addThemeToBody(theme);
}
};
const { promise } = instance.data;
promise.then(() => instance.container.applyTheme(instance.state));
promise.catch(() => instance.container.resetState(instance.state));
});
Template.themeSelectorModal.helpers({
themes: [ 'crickets', 'honeycomb', 'mint', 'overcast', 'quartz', 'tide', 'tigerlily' ],
ucFirst(text) {
return text.charAt(0).toUpperCase() + text.slice(1);
},
printClassIfSelected(theme) {
const instance = Template.instance();
return theme === instance.state.get('selectedTheme') ? 'selected' : '';
}
});
Template.themeSelectorModal.events({
'click .preview-theme'(event, instance) {
instance.container.previewTheme(event.currentTarget.dataset.theme, instance.state);
}
});