From: Debayan Sutradhar <debayansutradhar3@gmail.com>
Date: Fri, 18 Dec 2020 13:34:28 +0530
Subject: Implemented Alert System
---
Implemented Alert System
---


--- /dev/null
+++ b/src/main/java/com/StreamPi/Util/Alert/StreamPiAlert.java
@@ -0,0 +1,146 @@
+package com.StreamPi.Util.Alert;
+
+import com.StreamPi.Util.FormHelper.SpaceFiller;
+import com.StreamPi.Util.FormHelper.SpaceFiller.FillerType;
+
+import javafx.geometry.Insets;
+import javafx.scene.Node;
+import javafx.scene.control.Button;
+import javafx.scene.control.Label;
+import javafx.scene.layout.HBox;
+import javafx.scene.layout.Pane;
+import javafx.scene.layout.StackPane;
+import javafx.scene.layout.VBox;
+
+public class StreamPiAlert {
+    private String title;
+    private String[] buttons;
+    private StreamPiAlertType streamPiAlertType;
+    private Node contentNode;
+
+    private static StackPane stackPaneParent;
+
+    public static void setParent(StackPane parent) {
+        stackPaneParent = parent;
+    }
+
+    public static StackPane getParent() {
+        return stackPaneParent;
+    }
+
+    private StreamPiAlertListener streamPiAlertListener = null;
+
+    public StreamPiAlert(String title, StreamPiAlertType streamPiAlertType,
+     Node contentNode, String... buttons) {
+       set(title, streamPiAlertType, contentNode, buttons);
+    }
+
+    public void setStreamPiAlertType(StreamPiAlertType streamPiAlertType)
+    {
+        this.streamPiAlertType = streamPiAlertType;
+    }
+
+    public StreamPiAlert(String title, String contentText, String... buttons)
+    {
+        Label label = new Label(contentText);
+        label.setWrapText(true);
+        
+        set(title, StreamPiAlertType.INFORMATION, label, buttons);
+    }
+
+    public StreamPiAlert(String title, String contentText)
+    {
+        Label label = new Label(contentText);
+        label.setWrapText(true);
+        
+        set(title, StreamPiAlertType.INFORMATION, label, new String[]{ "OK" });
+    }
+
+    private void set(String title, StreamPiAlertType streamPiAlertType,
+    Node contentNode, String... buttons)
+    {
+        this.title = title;
+        this.buttons = buttons;
+        this.contentNode = contentNode;
+        this.streamPiAlertType = streamPiAlertType;
+    }
+
+
+
+    public void setOnClicked(StreamPiAlertListener streamPiAlertListener) {
+        this.streamPiAlertListener = streamPiAlertListener;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public String[] getButtons() {
+        return buttons;
+    }
+
+    public void setAlertContent(Node contentNode) {
+        this.contentNode = contentNode;
+    }
+
+    public void setButtons(String... buttons) {
+        this.buttons = buttons;
+    }
+
+    public VBox getAlertPane(String title, Node alertPane) {
+        VBox alertVBox = new VBox();
+        alertVBox.getStyleClass().addAll("alert-pane");
+
+        Label label = new Label(title);
+        label.getStyleClass().add("alert-pane-header-text");
+
+        HBox header = new HBox(label, new SpaceFiller(FillerType.HBox), streamPiAlertType.getIcon());
+
+        header.setPadding(new Insets(10));
+
+        HBox buttonBar = new HBox();
+        buttonBar.getStyleClass().add("alert-button-bar");
+
+        for (String eachButtonString : buttons) {
+            Button button = new Button(eachButtonString);
+            button.setOnAction(event -> {
+                if(this.streamPiAlertListener != null)
+                    this.streamPiAlertListener.onClick(eachButtonString);
+            });
+
+            button.getStyleClass().add("alert-button");
+
+            buttonBar.getChildren().add(button);
+        }
+
+        alertPane.getStyleClass().addAll("alert-content-pane");
+
+        alertVBox.getChildren().addAll(
+            header,
+            alertPane,
+            buttonBar
+        );
+
+
+        return alertVBox;
+    }
+
+    public Node getContentNode()
+    {
+        return contentNode;
+    }
+
+    public void show()
+    {
+        stackPaneParent.getChildren().add(getAlertPane(getTitle(), getContentNode()));
+        stackPaneParent.toFront();
+        stackPaneParent.setVisible(true);
+    }
+
+    public void destroy()
+    {
+        stackPaneParent.getChildren().clear();
+        stackPaneParent.toBack();
+        stackPaneParent.setVisible(false);
+    }
+}

--- /dev/null
+++ b/src/main/java/com/StreamPi/Util/Alert/StreamPiAlertListener.java
@@ -0,0 +1,5 @@
+package com.StreamPi.Util.Alert;
+
+public abstract class StreamPiAlertListener {
+    abstract void onClick(String buttonClicked);
+}

--- /dev/null
+++ b/src/main/java/com/StreamPi/Util/Alert/StreamPiAlertType.java
@@ -0,0 +1,32 @@
+package com.StreamPi.Util.Alert;
+
+import org.kordamp.ikonli.javafx.FontIcon;
+
+import javafx.scene.paint.Paint;
+
+public enum StreamPiAlertType {
+    INFORMATION("fas-info"),
+    ALERT("fas-exclamation-triangle"),
+    ERROR("fas-times");
+
+    private final String fontAwesomeIconCode;
+
+    StreamPiAlertType(String fontAwesomeIconCode)
+    {
+        this.fontAwesomeIconCode = fontAwesomeIconCode;
+    }
+
+    public FontIcon getIcon()
+    {
+        return getIcon("#000000",13);
+    }
+
+    public FontIcon getIcon(String colorHex, int size)
+    {
+        FontIcon fontIcon = new FontIcon(fontAwesomeIconCode);
+        fontIcon.setIconSize(size);
+        fontIcon.setIconColor(Paint.valueOf(colorHex));
+
+        return fontIcon;
+    }
+}