TDT4100-project/src/main/java/app/controllers/FiletreeController.java

125 lines
3.6 KiB
Java

package app.controllers;
import javafx.fxml.FXML;
import javafx.scene.control.CheckBoxTreeItem;
import javafx.scene.control.TreeItem;
import javafx.scene.control.TreeView;
import javafx.scene.input.MouseEvent;
import java.io.File;
import java.io.FileNotFoundException;
import java.net.URL;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Optional;
import java.util.ResourceBundle;
import com.google.common.eventbus.EventBus;
import com.google.common.eventbus.Subscribe;
import app.events.OpenFileEvent;
import app.events.OpenProjectEvent;
import app.events.SaveFileEvent;
import app.model.Model;
import app.service.DialogBoxes;
import app.service.FiletreeOperations;
import javafx.fxml.Initializable;
/**
* A FXML controller that controls the filetree component of the UI
*/
public class FiletreeController implements Initializable, Controller {
private EventBus eventBus;
@FXML
private TreeView<String> filetree;
@Override
public void initialize(URL url, ResourceBundle resourceBundle) {}
@Override
public void setEventBus(EventBus eventBus) {
this.eventBus = eventBus;
this.eventBus.register(this);
}
/* ------------------------------------------------------------------------ */
/* FILETREE */
/* ------------------------------------------------------------------------ */
/**
* The displaying of the fileTree. The inputChosen(the path) is aquired from the
* eventBus (OpeFileProjectEvent). The root is created as a CheckBoxItems and
* sends it to generateTree, and after that setting it to the root.
*/
private void showTree(String inputChosen) {
CheckBoxTreeItem<String> root = new CheckBoxTreeItem<>(inputChosen);
filetree.setShowRoot(false);
File fileInputChosen = new File(inputChosen);
try {
FiletreeOperations.generateTree(fileInputChosen, root);
filetree.setRoot(root);
} catch (Exception e) {
Model.setProjectPath(Optional.empty());
DialogBoxes.showErrorMessage(
"Could not open folder.\n\n"
+ "Do you have the right permissions for this folder?\n"
+ "Or does the folder contain any shortcut to somewhere within itself?");
}
}
/* ------------------------------------------------------------------------ */
/* MouseClick */
/* ------------------------------------------------------------------------ */
/**
* Handles whenever a filetree item is clicked twice. A while loop to create the
* correct filepath.
*/
@FXML
private void handleMouseClick(MouseEvent event) {
if (event.getClickCount() == 2) {
TreeItem<String> item = filetree.getSelectionModel().getSelectedItem();
try {
Path path = FiletreeOperations.getPathOfTreeItem(item);
if (!Files.isDirectory(path)) {
this.eventBus.post(new OpenFileEvent(Optional.ofNullable(path)));
}
} catch (FileNotFoundException e) {
System.err.println("[ERROR] Could not find filepath from filetree");
System.err.print(e);
}
}
}
/* ------------------------------------------------------------------------ */
/* SUBSCRIPTIONS */
/* ------------------------------------------------------------------------ */
/**
* Updates the filetree whenever a new ProjectPath is selected.
*/
@Subscribe
private void handle(OpenProjectEvent event) {
event.getPath().ifPresentOrElse(
path -> this.showTree(path.toString()),
() -> System.err.println("[ERROR] OpenProjectEvent was empty")
);
}
@Subscribe
private void handle(SaveFileEvent event) {
if (event.getIsNewFile())
Model
.getProjectPath()
.ifPresent(path -> this.showTree(path.toString()));
}
}