Created a new chat history class that allows for rich formatting of individual messages. Current implementation allows for bold and coloured text only. Has been manually tested. Fixed 3/5 chat command tests.

#implement #test #story[1246]

src/main/java/seng302/visualiser/fxObjects/ChatHistory.java

@@ -0,0 +1,59 @@
+package seng302.visualiser.fxObjects;
+
+import java.util.Arrays;
+import javafx.collections.ListChangeListener;
+import javafx.scene.Node;
+import javafx.scene.control.ScrollPane;
+import javafx.scene.paint.Paint;
+import javafx.scene.text.Text;
+import javafx.scene.text.TextFlow;
+
+/**
+ * Extension of a ScrollPane that contains a TextFlow. Has an addMessage() function to parse and
+ * display chatter text.
+ */
+public class ChatHistory extends ScrollPane {
+
+    private TextFlow textFlow = new TextFlow();
+
+    public ChatHistory() {
+        this.setContent(textFlow);
+        this.setFitToWidth(true);
+        this.setFitToHeight(true);
+        this.setMaxHeight(Double.MAX_VALUE);
+        this.setMaxWidth(Double.MAX_VALUE);
+        this.setVbarPolicy(ScrollBarPolicy.ALWAYS);
+        this.setHbarPolicy(ScrollBarPolicy.NEVER);
+        textFlow.getChildren().addListener((ListChangeListener<Node>) c -> {
+            this.setVvalue(1.0);
+        });
+    }
+
+    /**
+     * Adds a message to chat history. Messages should be either of the form:
+     * "[HH:MM:ss] \<player_name\>: \<message_text\>" or
+     * "SERVER: \<message_text\>"
+     * @param colour The colour of the user sending the message
+     * @param Text The chatter text message to be displayed
+     */
+    public void addMessage (Paint colour, String Text) {
+        String[] words = Text.split(":");
+        if (words[0].trim().equals("SERVER")) {
+            Text text = new Text(Text + "\n\n");
+            text.setStyle("-fx-font-weight: bolder");
+            textFlow.getChildren().add(text);
+        } else {
+            Text timePlayer = new Text(
+                String.join(":", Arrays.copyOfRange(words, 0, 3)) + ":"
+            );
+            timePlayer.setStyle("-fx-font-weight: bold");
+            timePlayer.setFill(colour);
+            Text message = new Text(
+                String.join(":", Arrays.copyOfRange(words, 3, words.length)) + "\n\n"
+            );
+            message.wrappingWidthProperty().bind(this.widthProperty());
+            textFlow.getChildren().addAll(timePlayer, message);
+        }
+
+    }
+}