From ed7d60800b674bae90db1a930b3ce12ef5bff36d Mon Sep 17 00:00:00 2001
From: Danila Fedorin <danila.fedorin@gmail.com>
Date: Mon, 7 Aug 2017 10:30:37 -0700
Subject: [PATCH] Read delay input from input field, and kill delay thread.

---
 .../org/nwapw/abacus/fx/AbacusController.java | 37 +++++++++++++++----
 src/main/resources/abacus.fxml                |  4 +-
 2 files changed, 33 insertions(+), 8 deletions(-)

diff --git a/src/main/java/org/nwapw/abacus/fx/AbacusController.java b/src/main/java/org/nwapw/abacus/fx/AbacusController.java
index 6b5aae3..f3f2acc 100644
--- a/src/main/java/org/nwapw/abacus/fx/AbacusController.java
+++ b/src/main/java/org/nwapw/abacus/fx/AbacusController.java
@@ -1,6 +1,8 @@
 package org.nwapw.abacus.fx;
 
 import javafx.application.Platform;
+import javafx.beans.value.ChangeListener;
+import javafx.beans.value.ObservableValue;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
 import javafx.fxml.FXML;
@@ -89,6 +91,8 @@ public class AbacusController implements PluginListener {
     private ComboBox<String> numberImplementationBox;
     @FXML
     private ListView<ToggleablePlugin> enabledPluginView;
+    @FXML
+    private TextField computationLimitField;
 
     /**
      * The list of history entries, created by the users.
@@ -130,12 +134,10 @@ public class AbacusController implements PluginListener {
     private final Runnable TIMER_RUNNABLE = () -> {
         try {
             Configuration abacusConfig = abacus.getConfiguration();
-            if(abacusConfig.getComputationDelay() != 0)
+            if(abacusConfig.getComputationDelay() == 0) return;
             Thread.sleep((long) (abacusConfig.getComputationDelay() * 1000));
-        } catch (InterruptedException e) {
-            e.printStackTrace();
-        }
-        performStop();
+            performStop();
+        } catch (InterruptedException e) { }
     };
     /**
      * The runnable used to perform the calculation.
@@ -174,6 +176,7 @@ public class AbacusController implements PluginListener {
             });
         }
     };
+    private Thread computationLimitThread;
     /**
      * The thread in which the computation runs.
      */
@@ -237,6 +240,15 @@ public class AbacusController implements PluginListener {
         }
         abacusPluginManager.reload();
 
+        computationLimitField.setText(Double.toString(abacus.getConfiguration().getComputationDelay()));
+        computationLimitField.textProperty().addListener((observable, oldValue, newValue) -> {
+            if(!newValue.matches("(\\d+(\\.\\d*)?)?")) {
+                computationLimitField.setText(oldValue);
+            } else {
+                changesMade = true;
+            }
+        });
+
         changesMade = false;
         reloadAlertShown = false;
 
@@ -252,13 +264,20 @@ public class AbacusController implements PluginListener {
         stopButton.setDisable(false);
         calculationThread = new Thread(CALCULATION_RUNNABLE);
         calculationThread.start();
-        new Thread(TIMER_RUNNABLE).start();
+        computationLimitThread = new Thread(TIMER_RUNNABLE);
+        computationLimitThread.start();
     }
 
     @FXML
     private void performStop(){
-        if(calculationThread != null)
+        if(calculationThread != null) {
             calculationThread.interrupt();
+            calculationThread = null;
+        }
+        if(computationLimitThread != null){
+            computationLimitThread.interrupt();
+            computationLimitThread = null;
+        }
     }
 
     @FXML
@@ -284,6 +303,9 @@ public class AbacusController implements PluginListener {
         for (ToggleablePlugin pluginEntry : enabledPlugins) {
             if (!pluginEntry.isEnabled()) disabledPlugins.add(pluginEntry.getClassName());
         }
+        if(computationLimitField.getText().matches("\\d*(\\.\\d+)?") && computationLimitField.getText().length() != 0)
+            configuration.setComputationDelay(Double.parseDouble(computationLimitField.getText()));
+        System.out.println(configuration.getComputationDelay());
         configuration.saveTo(CONFIG_FILE);
         changesMade = false;
         reloadAlertShown = false;
@@ -310,4 +332,5 @@ public class AbacusController implements PluginListener {
         enabledPlugins.clear();
         numberImplementationOptions.clear();
     }
+
 }
diff --git a/src/main/resources/abacus.fxml b/src/main/resources/abacus.fxml
index 495c654..495187c 100644
--- a/src/main/resources/abacus.fxml
+++ b/src/main/resources/abacus.fxml
@@ -50,7 +50,9 @@
                     <ListView fx:id="enabledPluginView"
                               GridPane.rowIndex="1" GridPane.columnIndex="0"
                               GridPane.columnSpan="2" maxHeight="100"/>
-                    <FlowPane GridPane.columnIndex="0" GridPane.columnSpan="2" GridPane.rowIndex="2" hgap="10"
+                    <Text GridPane.columnIndex="0" GridPane.rowIndex="2" text="Computation Limit"/>
+                    <TextField fx:id="computationLimitField" GridPane.columnIndex="1" GridPane.rowIndex="2"/>
+                    <FlowPane GridPane.columnIndex="0" GridPane.columnSpan="2" GridPane.rowIndex="3" hgap="10"
                               vgap="10">
                         <Button text="Apply" onAction="#performSave"/>
                         <Button text="Reload Plugins" onAction="#performReload"/>