feat: add panning

spbu-coding-2022 · May 2, 2023 · 6fc0436 · 6fc0436
1 parent 70ed4fd
commit 6fc0436
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Showing 6 changed files with 51 additions and 21 deletions.
diff --git a/app/src/main/kotlin/app/controller/AVLController.kt b/app/src/main/kotlin/app/controller/AVLController.kt
@@ -77,7 +77,7 @@ class AVLController : Controller() {
         treePane.children.clear()
         val root = tree.getRoot()
         if (root != null) {
-            drawNode(root, treePane, treePane.width / 2.0, 50.0, treePane.width / 4.0)
+            drawNode(root, treePane, treePane.width / 2.0, treePane.width / 2.0, 250.0)
         }
     }
 

diff --git a/app/src/main/kotlin/app/controller/BSTController.kt b/app/src/main/kotlin/app/controller/BSTController.kt
@@ -77,7 +77,7 @@ class BSTController : Controller() {
         treePane.children.clear()
         val root = tree.getRoot()
         if (root != null) {
-            drawNode(root, treePane, treePane.width / 2.0, 50.0, treePane.width / 4.0)
+            drawNode(root, treePane, treePane.width / 2.0, treePane.width / 2.0, 250.0)
         }
     }
 

diff --git a/app/src/main/kotlin/app/controller/RBTController.kt b/app/src/main/kotlin/app/controller/RBTController.kt
@@ -75,7 +75,7 @@ class RBTController : Controller() {
         treePane.children.clear()
         val root = tree.getRoot()
         if (root != null) {
-            drawNode(root, treePane, treePane.width / 2.0, 50.0, treePane.width / 4.0)
+            drawNode(root, treePane, treePane.width / 2.0, treePane.width / 2.0, 250.0)
         } else {
             throw NullPointerException("Root of the tree is null.")
         }

diff --git a/app/src/main/kotlin/app/view/treeView/AVLTreeView.kt b/app/src/main/kotlin/app/view/treeView/AVLTreeView.kt
@@ -4,6 +4,7 @@ import app.controller.AVLController
 import bst.AVLTree
 import javafx.beans.property.SimpleStringProperty
 import javafx.scene.control.Alert
+import javafx.scene.control.ScrollPane
 import javafx.scene.layout.Pane
 import tornadofx.ChangeListener
 import tornadofx.View
@@ -16,7 +17,7 @@ import tornadofx.field
 import tornadofx.fieldset
 import tornadofx.form
 import tornadofx.hbox
-import tornadofx.plusAssign
+import tornadofx.scrollpane
 import tornadofx.seconds
 import tornadofx.textfield
 import tornadofx.vbox
@@ -148,11 +149,20 @@ class AVLTreeView : View() {
                 replaceWith(RedBlackTreeView::class, ViewTransition.Slide(0.3.seconds, ViewTransition.Direction.LEFT))
             }
         }
-        this += treePane
-        treePane.apply {
-            minWidth = 600.0
-            minHeight = 400.0
-            style = "-fx-border-color: black;"
+        scrollpane {
+            content = treePane
+            isPannable = true
+            hbarPolicy = ScrollPane.ScrollBarPolicy.AS_NEEDED
+            vbarPolicy = ScrollPane.ScrollBarPolicy.AS_NEEDED
+
+            hvalue = 0.5
+            vvalue = 0.5
+
+            treePane.apply {
+                minWidth = 5000.0
+                minHeight = 5000.0
+                style = "-fx-border-color: black;"
+            }
         }
     }
 }
diff --git a/app/src/main/kotlin/app/view/treeView/BinarySearchTreeView.kt b/app/src/main/kotlin/app/view/treeView/BinarySearchTreeView.kt
@@ -4,6 +4,7 @@ import app.controller.BSTController
 import bst.BSTree
 import javafx.beans.property.SimpleStringProperty
 import javafx.scene.control.Alert
+import javafx.scene.control.ScrollPane
 import javafx.scene.layout.Pane
 import tornadofx.ChangeListener
 import tornadofx.View
@@ -16,7 +17,7 @@ import tornadofx.field
 import tornadofx.fieldset
 import tornadofx.form
 import tornadofx.hbox
-import tornadofx.plusAssign
+import tornadofx.scrollpane
 import tornadofx.seconds
 import tornadofx.textfield
 import tornadofx.vbox
@@ -146,11 +147,20 @@ class BinarySearchTreeView : View() {
                 replaceWith(RedBlackTreeView::class, ViewTransition.Slide(0.3.seconds, ViewTransition.Direction.LEFT))
             }
         }
-        this += treePane
-        treePane.apply {
-            minWidth = 600.0
-            minHeight = 400.0
-            style = "-fx-border-color: black;"
+        scrollpane {
+            content = treePane
+            isPannable = true
+            hbarPolicy = ScrollPane.ScrollBarPolicy.AS_NEEDED
+            vbarPolicy = ScrollPane.ScrollBarPolicy.AS_NEEDED
+
+            hvalue = 0.5
+            vvalue = 0.5
+
+            treePane.apply {
+                minWidth = 5000.0
+                minHeight = 5000.0
+                style = "-fx-border-color: black;"
+            }
         }
     }
 }
diff --git a/app/src/main/kotlin/app/view/treeView/RedBlackTreeView.kt b/app/src/main/kotlin/app/view/treeView/RedBlackTreeView.kt
@@ -4,6 +4,7 @@ import app.controller.RBTController
 import bst.RedBlackTree
 import javafx.beans.property.SimpleStringProperty
 import javafx.scene.control.Alert
+import javafx.scene.control.ScrollPane
 import javafx.scene.layout.Pane
 import tornadofx.ChangeListener
 import tornadofx.View
@@ -16,7 +17,7 @@ import tornadofx.field
 import tornadofx.fieldset
 import tornadofx.form
 import tornadofx.hbox
-import tornadofx.plusAssign
+import tornadofx.scrollpane
 import tornadofx.seconds
 import tornadofx.textfield
 import tornadofx.vbox
@@ -146,11 +147,20 @@ class RedBlackTreeView : View() {
                 replaceWith(BinarySearchTreeView::class, ViewTransition.Slide(0.3.seconds, ViewTransition.Direction.LEFT))
             }
         }
-        this += treePane
-        treePane.apply {
-            minWidth = 600.0
-            minHeight = 400.0
-            style = "-fx-border-color: black;"
+        scrollpane {
+            content = treePane
+            isPannable = true
+            hbarPolicy = ScrollPane.ScrollBarPolicy.AS_NEEDED
+            vbarPolicy = ScrollPane.ScrollBarPolicy.AS_NEEDED
+
+            hvalue = 0.5
+            vvalue = 0.5
+
+            treePane.apply {
+                minWidth = 5000.0
+                minHeight = 5000.0
+                style = "-fx-border-color: black;"
+            }
         }
     }
 }