desu/ns-usbloader
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looking through the whole hdd takes time, peform on background, update list on ui-thread

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Wolf Posdorfer 2020-11-24 19:54:06 +01:00
parent b2202cf483
commit 2936d65a31
1 changed files with 51 additions and 25 deletions
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76
src/main/java/nsusbloader/Controllers/GamesController.java
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@ -18,6 +18,7 @@
*/
package nsusbloader.Controllers;
import javafx.application.Platform;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.fxml.FXML;
@ -44,6 +45,8 @@ import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.ResourceBundle;
import java.util.function.Consumer;
import java.util.function.Supplier;
public class GamesController implements Initializable {
@ -140,6 +143,7 @@ public class GamesController implements Initializable {
selectFolderBtn.setOnAction(e-> selectFoldersBtnAction());
selectFolderBtn.getStyleClass().add("buttonSelect");
selectFolderBtn.setTooltip(new Tooltip("this is my tooltip"));
selectSplitNspBtn.setOnAction(e-> selectSplitBtnAction());
selectSplitNspBtn.getStyleClass().add("buttonSelect");
@ -263,18 +267,20 @@ public class GamesController implements Initializable {
chooser.setInitialDirectory(new File(FilesHelper.getRealFolder(previouslyOpenedPath)));
File startFolder = chooser.showDialog(usbNetPane.getScene().getWindow());
if (startFolder != null) {
List<File> allFiles = new ArrayList<>();
performInBackgroundAndUpdate(() -> {
final List<File> allFiles = new ArrayList<>();
collectFiles(allFiles, startFolder, getRegexForFiles());
if (!allFiles.isEmpty()) {
tableFilesListController.setFiles(allFiles);
return allFiles;
}, (files) -> {
if (!files.isEmpty()) {
tableFilesListController.setFiles(files);
uploadStopBtn.setDisable(false);
previouslyOpenedPath = startFolder.getParent();
}
}
});
}
/**
* used to recursively walk all directories, every file will be added to the storage list
* @param storage used to hold files
@ -284,13 +290,14 @@ public class GamesController implements Initializable {
private void collectFiles(List<File> storage, File startFolder, final String regex) {
if (startFolder.isDirectory()) {
File[] files = startFolder.listFiles();
for (File f : files) {
if (f.isDirectory()) {
collectFiles(storage, f, regex);
} else if (f.getName().toLowerCase().matches(regex)) {
storage.add(f);
if(files != null)
for (File f : files) {
if (f.isDirectory()) {
collectFiles(storage, f, regex);
} else if (f.getName().toLowerCase().matches(regex)) {
storage.add(f);
}
}
}
}
}
@ -406,23 +413,27 @@ public class GamesController implements Initializable {
* Drag-n-drop support (drop consumer)
* */
@FXML
private void handleDrop(DragEvent event){
private void handleDrop(DragEvent event) {
final String regex = getRegexForFiles();
List<File> files = event.getDragboard().getFiles();
List<File> allFiles = new ArrayList<>();
if (files.size() != 0) {
files.stream().filter(File::isDirectory).forEach(f -> collectFiles(allFiles, f, regex));
files.stream().filter(f -> f.getName().toLowerCase().matches(regex)).forEach(allFiles::add);
}
if ( ! allFiles.isEmpty() )
tableFilesListController.setFiles(allFiles);
performInBackgroundAndUpdate(() -> {
List<File> allFiles = new ArrayList<>();
if (files != null && files.size() != 0) {
files.stream().filter(File::isDirectory).forEach(f -> collectFiles(allFiles, f, regex));
files.stream().filter(f -> f.getName().toLowerCase().matches(regex)).forEach(allFiles::add);
}
return allFiles;
}, allFiles -> {
if (!allFiles.isEmpty())
tableFilesListController.setFiles(allFiles);
event.setDropCompleted(true);
event.consume();
event.setDropCompleted(true);
event.consume();
});
}
/**
* This thing modify UI for reusing 'Upload to NS' button and make functionality set for "Stop transmission"
* Called from mediator
@ -464,6 +475,21 @@ public class GamesController implements Initializable {
else
uploadStopBtn.setDisable(false);
}
/**
* Utility function to perform a task in the background and pass the results to a task on the javafx-ui-thread
* @param background performed in background
* @param update performed with results on ui-thread
*/
private <T> void performInBackgroundAndUpdate(Supplier<T> background, Consumer<T> update) {
new Thread(() -> {
final T result = background.get();
Platform.runLater(() -> {
update.accept(result);
});
}).start();
}
/**
* Get 'Recent' path
*/