Add (currently non-functional) edit field at bottom of repl view. (ch…

…erry-picking from commit f23db31)

org.scala-ide.sdt.core/src/scala/tools/eclipse/interpreter/ReplConsoleView.scala

@@ -14,6 +14,9 @@ import org.eclipse.ui.IPropertyListener
 import org.eclipse.ui.part.ViewPart
 import org.eclipse.swt.graphics.Image
 import org.eclipse.swt.custom.StyledText
+import org.eclipse.swt.widgets.Text
+import org.eclipse.swt.layout.GridData
+import org.eclipse.swt.layout.GridLayout
 
 // for the toolbar images
 import org.eclipse.debug.internal.ui.IInternalDebugUIConstants
@@ -30,7 +33,8 @@ class ReplConsoleView extends ViewPart {
   var projectName: String = ""
   private var scalaProject: ScalaProject = null
   var isStopped = true
-
+  var inputField: Text = null
+
   def setScalaProject(project: ScalaProject) {
     scalaProject = project
 
@@ -80,6 +84,19 @@ class ReplConsoleView extends ViewPart {
     }
   }
 
+  object replayAction extends Action("Replay interpreter history") {
+    setToolTipText("Replay all commands")
+
+    import IInternalDebugUIConstants._    
+    setImageDescriptor(DebugPluginImages.getImageDescriptor(IMG_ELCL_RESTART))
+    setDisabledImageDescriptor(DebugPluginImages.getImageDescriptor(IMG_DLCL_RESTART))
+    setHoverImageDescriptor(DebugPluginImages.getImageDescriptor(IMG_ELCL_RESTART))
+
+    override def run() {
+      displayOutput("To do: replay all commands without restarting interpreter")
+    }
+  }  
+
   private def setStarted {
     isStopped = false
 
@@ -105,19 +122,63 @@ class ReplConsoleView extends ViewPart {
     codeBgColor = new Color(parent.getDisplay, 230, 230, 230) // light gray
     codeFgColor = new Color(parent.getDisplay, 64, 0, 128) // eggplant
 
-    textWidget = new StyledText(parent, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL)
+    val panel = new Composite(parent, SWT.NONE)
+    panel.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, true))
+    panel.setLayout(new GridLayout)
+
+    textWidget = new StyledText(panel, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL)
+    textWidget.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true))
     textWidget.setEditable(false)
-    textWidget.setFont(JFaceResources.getFont(PreferenceConstants.EDITOR_TEXT_FONT)) // java editor font
+    val editorFont = JFaceResources.getFont(PreferenceConstants.EDITOR_TEXT_FONT)    
+    textWidget.setFont(editorFont) // java editor font
 
+    inputField = new Text(panel, SWT.BORDER | SWT.SINGLE)
+    inputField.setFont(editorFont)
+    inputField.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false))
+
     val toolbarManager = getViewSite.getActionBars.getToolBarManager
+    toolbarManager.add(replayAction)
+    toolbarManager.add(new Separator)
     toolbarManager.add(stopReplAction)
     toolbarManager.add(relaunchAction)
     toolbarManager.add(new Separator)
     toolbarManager.add(clearConsoleAction)
+
+    createMenuActions
 
     setPartName("Scala REPL (" + projectName + ")")
     setStarted
   }
+
+  private def createAction(name: String, payload: => Unit): Action = {
+    new Action(name) {
+      override def run() { payload }
+    }
+  }
+
+  def createMenuActions {
+    val showImportsAction = createAction("Import history", { 
+          displayOutput("to do: add hook for :imports command. Note: will take a string argument\n")
+        })
+
+    val showImplicitsAction = createAction("Implicits in scope", { 
+          displayOutput("to do: add hook for :implicits command. Note: has a verbose option\n")
+        })
+
+    val powerModeAction = createAction("Power user mode", { 
+          displayOutput("to do: add hook for :power command. To do: add commands to dropdown: :dump, :phase, :wrap\n")
+        })
+
+    val typeAction = createAction("Show type", { 
+          displayOutput("to do: add hook for :type command. Note: takes an argument. TBD: make this a right-click menu item?\n")
+        })
+
+    val menuManager = getViewSite.getActionBars.getMenuManager
+    menuManager.add(showImportsAction)
+    menuManager.add(showImplicitsAction)
+    menuManager.add(typeAction)
+    menuManager.add(powerModeAction)
+  }
 
   def setFocus() { }
 
@@ -155,6 +216,7 @@ class ReplConsoleView extends ViewPart {
   }
 
   override def dispose() {
+    stopReplAction.run // FIXME: this should NOT WRITE anything to the widget because it will be disposed already
     codeBgColor.dispose
     codeFgColor.dispose
   }