From f95f50574ea7c38ca68bbff8cf2544f68de4fbf2 Mon Sep 17 00:00:00 2001
From: Rohan Sircar <rohansircar@tuta.io>
Date: Thu, 17 Dec 2020 12:20:42 +0530
Subject: [PATCH] Added proper todo buttons reactively connected

---
 .../ui/components/todo/TodoListView.scala     | 137 +++++++++++-------
 1 file changed, 87 insertions(+), 50 deletions(-)

diff --git a/src/main/scala/nova/monadic_sfx/ui/components/todo/TodoListView.scala b/src/main/scala/nova/monadic_sfx/ui/components/todo/TodoListView.scala
index de367fd..3c2fa69 100644
--- a/src/main/scala/nova/monadic_sfx/ui/components/todo/TodoListView.scala
+++ b/src/main/scala/nova/monadic_sfx/ui/components/todo/TodoListView.scala
@@ -1,22 +1,27 @@
 package nova.monadic_sfx.ui.components.todo
 
 import monix.bio.Task
+import monix.execution.cancelables.CompositeCancelable
 import nova.monadic_sfx.implicits.FontIcon
 import nova.monadic_sfx.implicits.IconLiteral
+import nova.monadic_sfx.implicits.JFXButton
 import nova.monadic_sfx.implicits.JFXListView
+import nova.monadic_sfx.implicits.JFXTextField
 import nova.monadic_sfx.implicits.JavaFXMonixObservables._
+import nova.monadic_sfx.implicits.MenuItem
+import nova.monadic_sfx.util.reactive._
+import org.gerweck.scalafx.util._
 import scalafx.Includes._
+import scalafx.beans.property.ObjectProperty
 import scalafx.beans.property.StringProperty
+import scalafx.geometry.Insets
+import scalafx.scene.Node
 import scalafx.scene.control.ContextMenu
 import scalafx.scene.control.ListCell
 import scalafx.scene.control.SelectionMode
 import scalafx.scene.layout.HBox
 import scalafx.scene.text.Text
-import nova.monadic_sfx.util.reactive._
-import org.gerweck.scalafx.util._
-import scalafx.beans.property.ObjectProperty
-import nova.monadic_sfx.implicits.MenuItem
-import monix.execution.cancelables.CompositeCancelable
+import monix.{eval => me}
 
 object TodoListView {
   def apply(
@@ -24,67 +29,99 @@ object TodoListView {
         TodoListStore.Command,
         (TodoListStore.Command, TodoListStore.State)
       ]
-  ): Task[JFXListView[Todo]] =
+  ): Task[Node] =
     Task.deferAction(implicit s =>
       Task {
         val cc = CompositeCancelable()
         val todos =
           store.map { case (_, state) => state.todos }
+        // Todo(-1, "").some
+        val _selectedItems = ObjectProperty(Seq.empty[Todo])
 
-        new JFXListView[Todo] {
-          def selectedItems = selectionModel().selectedItems.view
+        new HBox {
+          padding = Insets(5)
+          val _content = StringProperty("")
+          children = Seq(
+            new JFXTextField {
+              text ==> _content
+            },
+            new JFXListView[Todo] {
+              def selectedItems = selectionModel().selectedItems.view
 
-          cc += items <-- todos
+              cc += items <-- todos
 
-          val emptyCell = ObjectProperty(new HBox)
-          cellFactory = _ =>
-            new ListCell[Todo] {
-              val _text = StringProperty("")
-              val _graphic = ObjectProperty(
-                new HBox {
-                  children = Seq(
-                    new FontIcon {
-                      iconSize = 10
-                      iconLiteral = IconLiteral.Gmi10k
-                    },
-                    new Text {
-                      text <== _text
+              val emptyCell = ObjectProperty(new HBox)
+              cellFactory = _ =>
+                new ListCell[Todo] {
+                  val _text = StringProperty("")
+                  val _graphic = ObjectProperty(
+                    new HBox {
+                      children = Seq(
+                        new FontIcon {
+                          iconSize = 10
+                          iconLiteral = IconLiteral.Gmi10k
+                        },
+                        new Text {
+                          text <== _text
+                        }
+                      )
                     }
                   )
-                }
-              )
 
-              item.asOption.map(
-                _.fold("")(todo => s"${todo.id} - ${todo.content}")
-              ) --> _text
+                  item.asOption.map(
+                    _.fold("")(todo => s"${todo.id} - ${todo.content}")
+                  ) ==> _text
 
-              graphic <== item.asOption.flatMap(
-                _.fold(emptyCell)(_ => _graphic)
-              )
+                  graphic <== item.asOption.flatMap(
+                    _.fold(emptyCell)(_ => _graphic)
+                  )
 
-            }
+                }
 
-          selectionModel().selectionMode = SelectionMode.Multiple
+              selectionModel().selectionMode = SelectionMode.Multiple
+              selectionModel().selectedItems.observableSeqValue ==> _selectedItems
 
-          contextMenu = new ContextMenu {
-            items ++= Seq(
-              new MenuItem {
-                text = "Add"
-                obsAction.useLazy(TodoListStore.Add("blah3")) --> store
-              },
-              new MenuItem {
-                text = "Delete"
-                obsAction.useIterable(_ =>
-                  selectedItems
-                    .map(todo => TodoListStore.Delete(todo.id))
-                    .toList
-                ) --> store
-              },
-              new MenuItem {
-                text = "Edit"
+              contextMenu = new ContextMenu {
+                items ++= Seq(
+                  new MenuItem {
+                    text = "Add"
+                    // obsAction.useLazyEval(TodoListStore.Add("blah3")) --> store
+                  },
+                  new MenuItem {
+                    text = "Delete"
+                    obsAction.useIterableEval(_ =>
+                      selectedItems
+                        .map(todo => TodoListStore.Delete(todo.id))
+                        .toList
+                    ) --> store
+                  },
+                  new MenuItem {
+                    text = "Edit"
+                  }
+                )
               }
-            )
-          }
+            },
+            new JFXButton {
+              text = "Add"
+              disable <== _selectedItems.map(_.length > 0)
+              obsAction
+                .useLazyEval(me.Task(TodoListStore.Add(_content()))) --> store
+            },
+            new JFXButton {
+              text = "Edit"
+              disable <== _selectedItems.map(_.length > 1)
+              obsAction.useLazyEval(
+                me.Task(
+                  TodoListStore.Edit(
+                    _selectedItems
+                      .map(_.headOption.map(_.id).getOrElse(-1))
+                      .value,
+                    _content()
+                  )
+                )
+              ) --> store
+            }
+          )
         }
       }
     )