样式修改

src/test/java/BuilderPackageEcology.java

@@ -213,6 +213,7 @@ public class BuilderPackageEcology extends Application {
 			checkBox = new CheckBox();
 			checkBox.getStyleClass().add("check-box");
 			checkBox.selectedProperty().addListener((observable, oldValue, newValue) -> {
+				
 				FileInfo item = getItem();
 				item.setSelected(newValue);
 				String filePath = item.getFilePath();
@@ -223,6 +224,15 @@ public class BuilderPackageEcology extends Application {
 				} else {
 					filePaths.remove(filePath);
 				}
+				String iconName = "icons/folder.png";
+				if (item.isSelected()) {
+					iconName = "icons/folder_active.png";
+				}
+				Node rootIcon = new ImageView(
+						new javafx.scene.image.Image(Objects.requireNonNull(getClass().getResourceAsStream(iconName)))
+				);// 定义一个图片类型节点对象
+				
+				checkBox.setGraphic(rootIcon);
 			});
 		}
 		
@@ -236,8 +246,12 @@ public class BuilderPackageEcology extends Application {
 				checkBox.setSelected(item.isSelected());
 				checkBox.setText(item.getFileName().replace("_", "__"));
 				if (item.isDirectory()) {
+					String iconName = "icons/folder.png";
+					if (item.isSelected()) {
+						iconName = "icons/folder_active.png";
+					}
 					Node rootIcon = new ImageView(
-							new javafx.scene.image.Image(Objects.requireNonNull(getClass().getResourceAsStream("icons/folder.png")))
+							new javafx.scene.image.Image(Objects.requireNonNull(getClass().getResourceAsStream(iconName)))
 					);// 定义一个图片类型节点对象
 					
 					checkBox.setGraphic(rootIcon);