110 lines
3.1 KiB
JavaScript
110 lines
3.1 KiB
JavaScript
import { Meteor } from 'meteor/meteor';
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import { ReactiveVar } from 'meteor/reactive-var';
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import { Tracker } from 'meteor/tracker';
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import { Session } from 'meteor/session';
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import { OHIF } from 'meteor/ohif:core';
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import { HotkeysContext } from 'meteor/ohif:hotkeys/client/classes/HotkeysContext';
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export class HotkeysManager {
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constructor(retrieveFunction, storeFunction) {
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this.contexts = {};
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this.currentContextName = null;
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this.enabled = new ReactiveVar(true);
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this.retrieveFunction = retrieveFunction;
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this.storeFunction = storeFunction;
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Tracker.autorun(() => {
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const contextName = OHIF.context.get();
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this.switchToContext(contextName);
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});
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}
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store(contextName, definitions) {
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const storageKey = `hotkeysDefinitions.${contextName}`;
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if (this.storeFunction) {
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this.storeFunction(contextName, definitions);
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} else if (Meteor.userId()) {
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OHIF.user.setData(storageKey, definitions);
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} else {
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Session.setPersistent(storageKey, definitions);
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}
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}
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retrieve(contextName) {
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const storageKey = `hotkeysDefinitions.${contextName}`;
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if (this.retrieveFunction) {
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return this.retrieveFunction(contextName);
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} else if (Meteor.userId()) {
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return OHIF.user.getData(storageKey);
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} else {
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return Session.get(storageKey);
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}
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}
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disable() {
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this.enabled.set(false);
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}
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enable() {
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this.enabled.set(true);
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}
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getContext(contextName) {
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return this.contexts[contextName];
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}
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getCurrentContext() {
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return this.getContext(this.currentContextName);
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}
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load(contextName) {
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const definitions = this.retrieve(contextName);
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if (!definitions) return;
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this.set(contextName, definitions);
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}
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set(contextName, contextDefinitions) {
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const enabled = this.enabled;
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const context = new HotkeysContext(contextName, contextDefinitions, enabled);
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const currentContext = this.getCurrentContext();
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if (currentContext && currentContext.name === contextName) {
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currentContext.destroy();
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context.initialize();
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}
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this.contexts[contextName] = context;
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}
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register(contextName, command, hotkey) {
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if (!command || !hotkey) return;
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const context = this.getContext(contextName);
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if (!context) {
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this.set(contextName, {});
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}
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context.register(command, hotkey);
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}
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unsetContext(contextName) {
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if (contextName === this.currentContextName) {
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this.getCurrentContext().destroy();
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}
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delete this.contexts[contextName];
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}
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switchToContext(contextName) {
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const currentContext = this.getCurrentContext();
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if (currentContext) {
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currentContext.destroy();
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}
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const newContext = this.contexts[contextName];
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if (!newContext) return;
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this.currentContextName = contextName;
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newContext.initialize();
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this.load(contextName);
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}
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}
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