Merge pull request #19 from Gijom/master

Status bar added

Author: pghilardi

lib/init.coffee

@@ -1,6 +1,7 @@
 VirtualenvView = require './virtualenv-view'
 VirtualenvListView = require './virtualenv-list-view'
 VirtualenvManger = require './virtualenv-manager'
+VirtualenvStatusView = require './virtualenv-status-view'
 MakeDialog = require './virtualenv-dialog'
 
 module.exports =
@@ -81,3 +82,19 @@ module.exports =
     @manager.on 'selector:show', =>
       view = new VirtualenvListView(@manager)
       view.attach()
+
+    # Create the view for the status bar and change the status string according
+    # to the changed environement
+    @virtualenvStatusView = new VirtualenvStatusView()
+    @manager.on 'virtualenv:changed', =>
+      if @manager.env?
+        @virtualenvStatusView.setStatus(@manager.env.name)
+      else
+        @virtualenvStatusView.clearStatus()
+
+  consumeStatusBar: (statusBar) ->
+    @statusBarTile = statusBar.addLeftTile(item: @virtualenvStatusView.getStatus(), priority: 100);
+
+  deactivate: ->
+    @statusBarTile?.destroy()
+    @statusBarTile = null

lib/virtualenv-manager.coffee

@@ -105,9 +105,9 @@ module.exports =
     deactivate: () ->
       if @env?
         process.env.PATH = process.env.PATH.replace(@getPathForEnv(@env), '')
+        @env = null
         @emit('virtualenv:changed')
         atom.notifications.addSuccess('Virtualenv deactivated with success!')
-      @env = null
 
     make: (name) ->
       cmd = 'virtualenv ' + name

lib/virtualenv-status-view.coffee

@@ -0,0 +1,45 @@
+{Disposable} = require 'atom'
+
+module.exports =
+class VirtualenvStatusView
+
+  # constant string when there is no venv selected
+  @NO_ENV_STR: 'no virtualenv'
+
+  # Initialize the status element to show in the status bar
+  constructor: ->#(serializedState)->
+
+      # Construct status element and content
+      @status = document.createElement('div')
+      @status.classList.add('inline-block')
+      link = document.createElement('a')
+      link.textContent = VirtualenvStatusView.NO_ENV_STR
+      @status.appendChild(link)
+
+      # Add a tooltip to the status
+      @tooltip = atom.tooltips.add(@status, title: => "Current virtualenv: #{@status.childNodes[0].textContent} (left click to change)") # 0 index cause only one child: the link
+
+      # Set click handler
+      @status.addEventListener('click', @clickHandler)
+      @clickSubscription = new Disposable => @status.removeEventListener('click', @clickHandler)
+
+  # In the case on a virtualenv status click -> select venv
+  clickHandler: (event) ->
+      atom.commands.dispatch(atom.views.getView(atom.workspace), 'virtualenv:select')
+
+  # Set the status element string to the no env constant
+  clearStatus: ->
+    @status.childNodes[0].textContent = VirtualenvStatusView.NO_ENV_STR # 0 index cause only one child: the link
+
+  # Set the status element string as strStatus
+  setStatus: (strStatus) ->
+    @status.childNodes[0].textContent = strStatus # 0 index cause only one child: the link
+
+  # Get the full status element
+  getStatus: ->
+    @status
+
+  destroy: ->
+    @status.remove()
+    @tooltip.dispose()
+    @clickSubscription.dispose()

package.json

@@ -18,5 +18,12 @@
   "dependencies": {
     "atom-space-pen-views": "latest",
     "status-bar": ">=0.41.0"
+  },
+  "consumedServices": {
+    "status-bar": {
+      "versions": {
+        "^1.0.0": "consumeStatusBar"
+      }
+    }
   }
 }