swicth to debugger and display editor upon workspace selection

src/app.js

@@ -416,7 +416,7 @@ Please make a backup of your contracts and start using http://remix.ethereum.org
   const swapPanelApi = new SwapPanelApi(swapPanelComponent, verticalIconsComponent) // eslint-disable-line
   const mainPanelApi = new SwapPanelApi(mainPanelComponent, verticalIconsComponent) // eslint-disable-line
   const verticalIconsApi = new VerticalIconsApi(verticalIconsComponent) // eslint-disable-line
-
+  registry.put({api: verticalIconsApi, name: 'verticalicon'})
   registry.put({api: appManager.proxy(), name: 'pluginmanager'})
 
   pluginManagerComponent.setApp(appManager)
@@ -458,7 +458,7 @@ Please make a backup of your contracts and start using http://remix.ethereum.org
   )
   let analysis = new AnalysisTab(registry)
   let debug = new DebuggerTab()
-  const landingPage = new LandingPage(appManager, appStore)
+  const landingPage = new LandingPage(appManager, appStore, registry)
   let test = new TestTab(
     registry.get('filemanager').api,
     registry.get('filepanel').api,

src/app/ui/landing-page/landing-page.js

@@ -45,7 +45,7 @@ import Section from './section'
 
 export class LandingPage extends ApiFactory {
 
-  constructor (appManager, appStore) {
+  constructor (appManager, appStore, registry) {
     super()
     this.sections = []
     let load = function (item) {
@@ -132,7 +132,7 @@ export class LandingPage extends ApiFactory {
 
     this.sectionWorkspaceMain = []
     this.sectionWorkspaceOthers = []
-    defaultWorkspaces(appManager).forEach((workspace) => {
+    defaultWorkspaces(appManager, registry).forEach((workspace) => {
       if (workspace.isMain) {
         this.sectionWorkspaceMain.push({
           label: workspace.title,

src/app/ui/landing-page/workspace.js

@@ -8,7 +8,7 @@ export class Workspace {
   }
 }
 
-export const defaultWorkspaces = (appManager) => {
+export const defaultWorkspaces = (appManager, registry) => {
   return [
     new Workspace(
       'Solidity',
@@ -19,6 +19,8 @@ export const defaultWorkspaces = (appManager) => {
         appManager.ensureActivated('run')
         appManager.ensureActivated('solidityStaticAnalysis')
         appManager.ensureActivated('solidityUnitTesting')
+        registry.get('filemanager').api.switchFile()
+        registry.get('verticalicon').api.select('solidity')
       }, () => {}),
     new Workspace(
       'Vyper',
@@ -27,6 +29,8 @@ export const defaultWorkspaces = (appManager) => {
       () => {
         appManager.ensureActivated('vyper')
         appManager.ensureActivated('run')
+        registry.get('filemanager').api.switchFile()
+        registry.get('verticalicon').api.select('solidity')
       }, () => {}),
     new Workspace('Debugger', 'Debug transactions with remix', false, () => {
       appManager.ensureActivated('debugger')