这是我用于构建文本编辑器的代码。一切正常，但问题是当我更改所选文本的字体大小，并且要更改同一文本的颜色后，它将文本大小更改回默认值。我想知道如何解决此问题。
有人建议定义一个哈希图，在这里我们保存在文本区域中输入的每个字符并保存其样式。但是我无法弄清楚。
<?xml version="1.0" encoding="UTF-8"?>
<?import java.lang.*?>
<?import javafx.collections.*?>
<?import javafx.geometry.*?>
<?import javafx.scene.control.*?>
<?import javafx.scene.layout.*?>
<?import org.fxmisc.richtext.InlineCssTextArea?>
<BorderPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity"
prefHeight="564.0" prefWidth="790.0"
xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1"
fx:controller="sample.Controller">
<center>
<InlineCssTextArea fx:id="textArea" BorderPane.alignment="CENTER"
onKeyTyped="#handleTextAreaAction">
<BorderPane.margin>
<Insets bottom="5.0" left="5.0" right="5.0" top="5.0" />
</BorderPane.margin>
<padding>
<Insets bottom="1.0" left="1.0" right="1.0" top="1.0" />
</padding>
</InlineCssTextArea>
</center>
<top>
<HBox BorderPane.alignment="CENTER">
<children>
<Button mnemonicParsing="false" onAction="#UploadButtonClicked"
text="Upload">
<HBox.margin>
<Insets bottom="2.0" left="2.0" right="2.0" top="2.0" />
</HBox.margin>
</Button>
<ComboBox fx:id="familyComboBox" onAction="#familyOnAction"
promptText="Font Theme">
<HBox.margin>
<Insets bottom="2.0" left="2.0" right="2.0" top="2.0" />
</HBox.margin>
<items>
<FXCollections fx:factory="observableArrayList">
<String fx:value="Arial" />
<String fx:value="Times new Roman" />
<String fx:value="Calibri"/>
</FXCollections>
</items>
</ComboBox>
<ComboBox fx:id="sizeComboBox" layoutX="62.0" layoutY="10.0"
onAction="#sizeOnAction" promptText="Font Size">
<HBox.margin>
<Insets bottom="2.0" left="2.0" right="2.0" top="2.0" />
</HBox.margin>
<items>
<FXCollections fx:factory="observableArrayList">
<String fx:value="11" />
<String fx:value="12" />
<String fx:value="14" />
<String fx:value="18" />
<String fx:value="24" />
</FXCollections>
</items>
</ComboBox>
<ComboBox fx:id="ColorBoxColor" layoutX="180.0" layoutY="12.0"
onAction="#colorOnAction" promptText="Font Color">
<HBox.margin>
<Insets bottom="2.0" left="2.0" right="2.0" top="2.0" />
</HBox.margin>
<items>
<FXCollections fx:factory="observableArrayList">
<String fx:value="Red" />
<String fx:value="Black" />
<String fx:value="Green" />
<String fx:value="Blue" />
</FXCollections>
</items>
</ComboBox>
<Button fx:id="bold" layoutX="10.0" layoutY="10.0"
mnemonicParsing="false" onAction="#boldOnAction" text="Bold">
<HBox.margin>
<Insets bottom="2.0" left="2.0" right="2.0" top="2.0" />
</HBox.margin>
</Button>
<Button fx:id="italic" layoutX="487.0" layoutY="10.0"
mnemonicParsing="false" onAction="#italicOnAction" text="Italic">
<HBox.margin>
<Insets bottom="2.0" left="2.0" right="2.0" top="2.0" />
</HBox.margin>
</Button>
</children>
</HBox>
</top>
</BorderPane>
Controller.java：
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.fxml.FXML;
import javafx.scene.control.ComboBox;
import javafx.scene.control.IndexRange;
import javafx.scene.input.KeyEvent;
import javafx.scene.control.TextArea;
import javafx.scene.text.FontPosture;
import javafx.scene.text.FontWeight;
import javafx.scene.text.Font;
import javafx.scene.text.Text;
import org.fxmisc.richtext.InlineCssTextArea;
import java.awt.*;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
public class Controller {
Map<Integer,String> list = new HashMap<>();
@FXML private ComboBox ColorBoxColor;
@FXML private InlineCssTextArea textArea ;
@FXML private ComboBox sizeComboBox;
@FXML private ComboBox familyComboBox;
String fontType ;
int fontSize;
CharacterStyle style = new CharacterStyle();
@FXML
public void handleTextAreaAction(KeyEvent key) {
}
public void italicOnAction(ActionEvent event) {
}
public void boldOnAction(ActionEvent event) {
}
@FXML
public void colorOnAction(ActionEvent event) {
try {
int last = (textArea.getText().lastIndexOf(textArea.getSelectedText()))+textArea.getSelectedText().length();
int start = last - textArea.getSelectedText().length();
if (ColorBoxColor.getValue().equals("Red")) {
textArea.setStyle(start,last,"-fx-fill: "+style.getColor("red"));
}
else if (ColorBoxColor.getValue().equals("Black")){
textArea.setStyle(start,last,"-fx-fill: "+style.getColor("black"));
}
else if (ColorBoxColor.getValue().equals("Green")) {
textArea.setStyle(start,last,"-fx-fill: " +style.getColor("green"));
}else{
textArea.setStyle(start,last,"-fx-fill: "+ style.getColor("blue"));
}
}catch (Exception ex) {
System.out.println("Error");
}
}
@FXML
public void sizeOnAction(ActionEvent event) {
try {
int last = (textArea.getText().lastIndexOf(textArea.getSelectedText()))+textArea.getSelectedText().length();
int start = last - textArea.getSelectedText().length();
if (sizeComboBox.getValue().equals("11"))
fontSize = style.getSize(11);
else if (sizeComboBox.getValue().equals("12"))
fontSize = style.getSize(12);
else if (sizeComboBox.getValue().equals("14"))
fontSize = style.getSize(14);
else if (sizeComboBox.getValue().equals("16"))
fontSize = style.getSize(16);
else if (sizeComboBox.getValue().equals("18"))
fontSize = style.getSize(18);
else
fontSize = style.getSize(24);
textArea.setStyle(start,last,"-fx-font-size: " + style.getSize(fontSize));
} catch (Exception ex) {
System.out.println("Error");
}
}
public void familyOnAction(ActionEvent event) {
try {
int last = (textArea.getText().lastIndexOf(textArea.getSelectedText()))+textArea.getSelectedText().length();
int start = last - textArea.getSelectedText().length();
if (familyComboBox.getValue().equals("Times New Roman")) {
fontType = style.getFont("Times New Roman");
} else if(familyComboBox.getValue().equals("Arial")) {
fontType = style.getFont("Arial");
}
else
fontType = style.getFont(("Calibri"));
textArea.setStyle(start,last,"-fx-font-family: " +fontType);
} catch (Exception ex) {
System.out.println("Error");
}
}
public void UploadButtonClicked(ActionEvent event) {
}
}
我想找出我错过了什么，因此当我在特定文本上应用多个样式时，它不会恢复默认设置。