Registering tool commands

OHIFViewer/.meteor/packages

@@ -8,6 +8,7 @@
 ohif:polyfill
 ohif:design
 ohif:core
+ohif:commands
 ohif:hotkeys
 ohif:header
 ohif:cornerstone

OHIFViewer/.meteor/versions

@@ -72,6 +72,7 @@ mongo-id@1.0.6
 natestrauser:select2@4.0.3
 npm-mongo@2.2.11_2
 observe-sequence@1.0.14
+ohif:commands@0.0.1
 ohif:core@0.0.1
 ohif:cornerstone@0.0.1
 ohif:design@0.0.1

Packages/ohif-commands/client/classes/CommandsManager.js

@@ -1,5 +1,5 @@
-import { ReactiveDict } from 'meteor/reactive-dict';
 import { Tracker } from 'meteor/tracker';
+import { _ } from 'meteor/underscore';
 import { OHIF } from 'meteor/ohif:core';
 
 export class CommandsManager {
@@ -16,22 +16,28 @@ export class CommandsManager {
     getContext(contextName) {
         const context = this.contexts[contextName];
         if (!context) {
-            OHIF.log.warn(`No context found with name "${contextName}"`);
+            return OHIF.log.warn(`No context found with name "${contextName}"`);
         }
 
         return context;
     }
 
-    getCurrentContext(contextName) {
-        return this.getContext(OHIF.context.get());
+    getCurrentContext() {
+        const contextName = OHIF.context.get();
+        if (!contextName) {
+            return OHIF.log.warn('There is no selected context');
+        }
+
+        return this.getContext(contextName);
     }
 
     createContext(contextName) {
+        if (!contextName) return;
         if (this.contexts[contextName]) {
             return this.unsetCommands(contextName);
         }
 
-        this.contexts[contextName] = new ReactiveDict();
+        this.contexts[contextName] = {};
     }
 
     setCommands(contextName, definitions) {
@@ -40,21 +46,36 @@ export class CommandsManager {
         if (!context) return;
 
         this.unsetCommands(contextName);
-        Object.keys(definitions).forEach(key => context.set(key, definitions[key]));
+        Object.keys(definitions).forEach(command => (context[command] = definitions[command]));
     }
 
-    registerCommand(contextName, key, definition) {
+    registerCommand(contextName, command, definition) {
         if (typeof definition !== 'object') return;
         const context = this.getContext(contextName);
         if (!context) return;
 
-        context.set(key, definition);
+        context[command] = definition;
     }
 
     unsetCommands(contextName) {
-        const context = this.getContext(contextName);
-        if (!context) return;
+        if (!contextName) return;
+        this.contexts[contextName] = {};
+    }
 
-        context.clear();
+    run(command) {
+        const context = this.getCurrentContext();
+        if (!context) return;
+        const definition = context[command];
+        if (!definition) {
+            return OHIF.log.warn(`Command "${command}" not found in current context`);
+        }
+
+        const { action, disabled, params } = definition;
+        if ((_.isFunction(disabled) && disabled()) || (!_.isUndefined(disabled) && disabled)) return;
+        if (typeof action !== 'function') {
+            return OHIF.log.warn(`No action was defined for command "${command}"`);
+        } else {
+            return action(params);
+        }
     }
 }

Packages/ohif-commands/main.js

@@ -5,11 +5,14 @@ import { CommandsManager } from 'meteor/ohif:commands/client/classes/CommandsMan
 // Create context namespace using a ReactiveVar
 const context = new ReactiveVar(null);
 
-// Create commands namespace using a CommandsManager class instance
-const commands = new CommandsManager(context);
-
 // Append context namespace to OHIF namespace
 OHIF.context = context;
 
+// Create commands namespace using a CommandsManager class instance
+const commands = new CommandsManager(context);
+
+// Append commands namespace to OHIF namespace
+OHIF.commands = commands;
+
 // Export relevant objects
 export { context, commands };

Packages/ohif-commands/package.js

@@ -10,12 +10,12 @@ Package.onUse(function(api) {
     // Meteor packages
     api.use([
         'ecmascript',
-        'reactive-var',
-        'reactive-dict'
+        'reactive-var'
     ]);
 
     // OHIF dependencies
     api.use('ohif:core');
+    api.use('ohif:log');
 
     // Main module definition
     api.mainModule('main.js', 'client');

Packages/ohif-hotkeys/package.js

@@ -17,6 +17,7 @@ Package.onUse(function(api) {
 
     // OHIF dependencies
     api.use('ohif:core');
+    api.use('ohif:commands');
 
     // Main module definition
     api.mainModule('main.js', 'client');

Packages/ohif-viewerbase/client/lib/hotkeyUtils.js

@@ -1,5 +1,6 @@
 import { Meteor } from 'meteor/meteor';
 import { $ } from 'meteor/jquery';
+import { _ } from 'meteor/underscore';
 import { OHIF } from 'meteor/ohif:core';
 import { toolManager } from './toolManager';
 import { switchToImageRelative } from './switchToImageRelative';
@@ -50,6 +51,33 @@ Meteor.startup(function() {
     // For now
     OHIF.viewer.hotkeys = OHIF.viewer.defaultHotkeys;
 
+    const contextName = 'viewer';
+    OHIF.commands.createContext(contextName);
+    const registerToolCommand = (commandName, toolId) => {
+        OHIF.commands.registerCommand(contextName, toolId, {
+            name: commandName,
+            action: toolManager.setActiveTool,
+            params: toolId
+        });
+    };
+
+    const registerToolCommands = map => _.each(map, registerToolCommand);
+
+    registerToolCommands({
+        wwwc: 'Levels',
+        zoom: 'Zoom',
+        angle: 'Angle',
+        dragProbe: 'Probe',
+        ellipticalRoi: 'Ellipse',
+        magnify: 'Magnify',
+        annotate: 'Annotate',
+        stackScroll: 'Stack Scroll',
+        pan: 'Pan',
+        length: 'Length',
+        spine: 'Spine',
+        wwwcRegion: 'ROI Window'
+    });
+
     OHIF.viewer.hotkeyFunctions = {
         wwwc: () => toolManager.setActiveTool('wwwc'),
         zoom: () => toolManager.setActiveTool('zoom'),
@@ -256,6 +284,7 @@ function enableHotkeys(hotkeys) {
 
     OHIF.hotkeys.setContext('viewer', definitions);
     OHIF.hotkeys.switchToContext('viewer');
+    OHIF.context.set('viewer');
 }
 
 /**