Update scan-folder-to-add-files function: set pop-up window with indicator showing how many files did we scan and how many files would be added.

Minor color corrections on light theme for whoever use it
Fix TF progress-bar (can't recall when I broke it..)

src/main/java/nsusbloader/Controllers/FilesDropHandle.java

@@ -0,0 +1,120 @@
+/*
+    Copyright 2019-2020 Dmitry Isaenko
+
+    This file is part of NS-USBloader.
+
+    NS-USBloader is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    NS-USBloader is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with NS-USBloader.  If not, see <https://www.gnu.org/licenses/>.
+*/
+package nsusbloader.Controllers;
+
+import javafx.geometry.Insets;
+import javafx.geometry.Pos;
+import javafx.scene.Scene;
+import javafx.scene.control.Button;
+import javafx.scene.control.Label;
+import javafx.scene.control.ProgressBar;
+import javafx.scene.control.ProgressIndicator;
+import javafx.scene.image.Image;
+import javafx.scene.layout.HBox;
+import javafx.scene.layout.Pane;
+import javafx.scene.layout.Priority;
+import javafx.scene.layout.VBox;
+import javafx.stage.Stage;
+import nsusbloader.AppPreferences;
+import nsusbloader.MediatorControl;
+
+import java.io.File;
+import java.util.List;
+import java.util.ResourceBundle;
+
+public class FilesDropHandle {
+
+    public FilesDropHandle(List<File> files, String filesRegex, String foldersRegex){
+
+        //
+        // TODO: ADD GRAPHICS BEFORE RELEASE !
+        //
+
+        FilesDropHandleTask filesDropHandleTask = new FilesDropHandleTask(files, filesRegex, foldersRegex);
+
+        ResourceBundle resourceBundle = MediatorControl.getInstance().getResourceBundle();
+        Button cancelButton = new Button(resourceBundle.getString("btn_Cancel"));
+
+        ProgressIndicator progressIndicator = new ProgressIndicator();
+        progressIndicator.setProgress(ProgressIndicator.INDETERMINATE_PROGRESS);
+
+        Label downloadStatusLabel = new Label();
+        downloadStatusLabel.setWrapText(true);
+        downloadStatusLabel.textProperty().bind(filesDropHandleTask.messageProperty());
+
+        Pane fillerPane1 = new Pane();
+        Pane fillerPane2 = new Pane();
+
+        VBox parentVBox = new VBox();
+        parentVBox.setAlignment(Pos.TOP_CENTER);
+        parentVBox.setFillWidth(true);
+        parentVBox.setSpacing(5.0);
+        parentVBox.setPadding(new Insets(5.0));
+        parentVBox.setFillWidth(true);
+        parentVBox.getChildren().addAll(
+                downloadStatusLabel,
+                fillerPane1,
+                progressIndicator,
+                fillerPane2,
+                cancelButton
+        ); // TODO:FIX
+
+        VBox.setVgrow(fillerPane1, Priority.ALWAYS);
+        VBox.setVgrow(fillerPane2, Priority.ALWAYS);
+
+        Stage stage = new Stage();
+        stage.setTitle(resourceBundle.getString("windowTitleAddingFiles"));
+        stage.getIcons().addAll(
+                new Image("/res/dwnload_ico32x32.png"),    //TODO: REDRAW
+                new Image("/res/dwnload_ico48x48.png"),
+                new Image("/res/dwnload_ico64x64.png"),
+                new Image("/res/dwnload_ico128x128.png")
+        );
+        stage.setMinWidth(300);
+        stage.setMinHeight(175);
+        stage.setAlwaysOnTop(true);
+        Scene mainScene = new Scene(parentVBox, 310, 185);
+
+        mainScene.getStylesheets().add(AppPreferences.getInstance().getTheme());
+
+        stage.setOnHidden(windowEvent -> filesDropHandleTask.cancel(true ) );
+
+        stage.setScene(mainScene);
+        stage.show();
+        stage.toFront();
+
+        filesDropHandleTask.setOnSucceeded(event -> {
+            cancelButton.setText(resourceBundle.getString("btn_Close"));
+
+            List<File> allFiles = filesDropHandleTask.getValue();
+
+            if (! allFiles.isEmpty()) {
+                MediatorControl.getInstance().getGamesController().tableFilesListController.setFiles(allFiles);
+            }
+            stage.close();
+        });
+
+        new Thread(filesDropHandleTask).start();
+
+        cancelButton.setOnAction(actionEvent -> {
+            filesDropHandleTask.cancel(true);
+            stage.close();
+        });
+    }
+}

src/main/java/nsusbloader/Controllers/FilesDropHandleTask.java

@@ -0,0 +1,96 @@
+/*
+    Copyright 2019-2020 Dmitry Isaenko
+
+    This file is part of NS-USBloader.
+
+    NS-USBloader is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    NS-USBloader is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with NS-USBloader.  If not, see <https://www.gnu.org/licenses/>.
+*/
+package nsusbloader.Controllers;
+
+import javafx.concurrent.Task;
+import nsusbloader.MediatorControl;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+
+public class FilesDropHandleTask extends Task<List<File>> {
+    private final String filesRegex;
+    private final String foldersRegex;
+
+    private final List<File> filesDropped;
+    private final List<File> allFiles;
+
+    private String messageTemplate;
+    private long filesScanned = 0;
+    private long filesAdded = 0;
+
+    FilesDropHandleTask(List<File> files,
+                        String filesRegex,
+                        String foldersRegex) {
+        this.filesDropped = files;
+        this.filesRegex = filesRegex;
+        this.foldersRegex = foldersRegex;
+        this.allFiles = new ArrayList<>();
+        this.messageTemplate = MediatorControl.getInstance().getResourceBundle().getString("windowBodyFilesScanned");
+    }
+
+    @Override
+    protected List<File> call() {
+        if (filesDropped == null || filesDropped.size() == 0)
+            return allFiles;
+
+        for (File file : filesDropped){
+            if (isCancelled())
+                return new ArrayList<>();
+            collectFiles(file);
+            updateMessage(String.format(messageTemplate, filesScanned++, filesAdded));
+        }
+
+        return allFiles;
+    }
+
+    private void collectFiles(File startFolder) {
+        if (startFolder == null)
+            return;
+
+        final String startFolderNameInLowercase = startFolder.getName().toLowerCase();
+
+        if (startFolder.isFile()) {
+            if (startFolderNameInLowercase.matches(filesRegex)) {
+                allFiles.add(startFolder);
+                filesAdded++;
+            }
+            return;
+        }
+
+        if (startFolderNameInLowercase.matches(foldersRegex)) {
+            allFiles.add(startFolder);
+            filesAdded++;
+            return;
+        }
+
+        File[] files = startFolder.listFiles();
+        if (files == null)
+            return;
+
+        for (File file : files) {
+            if (isCancelled())
+                return;
+            collectFiles(file);
+            updateMessage(String.format(messageTemplate, filesScanned++, filesAdded));
+        }
+    }
+
+}

src/main/java/nsusbloader/Controllers/GamesController.java

@@ -41,10 +41,7 @@ import nsusbloader.ServiceWindow;
 
 import java.io.File;
 import java.net.URL;
-import java.util.ArrayList;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.ResourceBundle;
+import java.util.*;
 import java.util.function.Consumer;
 import java.util.function.Supplier;
 
@@ -294,6 +291,7 @@ public class GamesController implements Initializable {
      * @param filesRegex for filenames
      */
     // TODO: Too sophisticated. Should be moved to simple class to keep things simplier
+
     private void collectFiles(List<File> storage,
                               File startFolder,
                               final String filesRegex,
@@ -437,24 +435,10 @@ public class GamesController implements Initializable {
      * */
     @FXML
     private void handleDrop(DragEvent event) {
-        final String regexForFiles = getRegexForFiles();
-        final String regexForFolders = getRegexForFolders();
-
         List<File> files = event.getDragboard().getFiles();
-
-        performInBackgroundAndUpdate(() -> {
-            List<File> allFiles = new ArrayList<>();
-            if (files != null && files.size() != 0) {
-                files.forEach(f -> collectFiles(allFiles, f, regexForFiles, regexForFolders));
-            }
-            return allFiles;
-        }, allFiles -> {
-            if (!allFiles.isEmpty())
-                tableFilesListController.setFiles(allFiles);
-
-            event.setDropCompleted(true);
-            event.consume();
-        });
+        new FilesDropHandle(files, getRegexForFiles(), getRegexForFolders());
+        event.setDropCompleted(true);
+        event.consume();
     }
     
     /**
@@ -527,7 +511,6 @@ public class GamesController implements Initializable {
             selectSplitNspBtn.setVisible(true);
         }
         selectNspBtn.setGraphic(btnSelectImage);
-        //selectFolderBtn.setTooltip(new Tooltip(resourceBundle.getString("btn_OpenFolders_tooltip")));
     }
     /**
      * Get 'Recent' path

src/main/java/nsusbloader/Controllers/NSTableViewController.java

@@ -231,7 +231,7 @@ public class NSTableViewController implements Initializable {
     /**
      * Add files when user selected them
      * */
-    public void setFiles(List<File> newFiles){
+    public synchronized void setFiles(List<File> newFiles){
         if (!rowsObsLst.isEmpty()){
             List<String> filesAlreayInList = new ArrayList<>();
             for (NSLRowModel model : rowsObsLst)

src/main/java/nsusbloader/com/usb/TinFoil.java

@@ -222,7 +222,6 @@ class TinFoil extends TransferModule {
             if ((currentOffset + chunk) >= size )
                 chunk = Math.toIntExact(size - currentOffset);
             //System.out.println("CO: "+currentOffset+"\t\tEO: "+size+"\t\tRP: "+chunk);  // NOTE: DEBUG
-            logPrinter.updateProgress((currentOffset + chunk) / (size / 100.0) / 100.0);
 
             readBuffer = new byte[chunk];     // TODO: not perfect moment, consider refactoring.
 
@@ -232,6 +231,7 @@ class TinFoil extends TransferModule {
             if (writeUsb(readBuffer))
                 throw new IOException("TF Failure during file transfer.");
             currentOffset += chunk;
+            logPrinter.updateProgress((double)currentOffset / (double)size);
         }
         nsSplitReader.close();
         logPrinter.updateProgress(1.0);
@@ -251,7 +251,6 @@ class TinFoil extends TransferModule {
             if ((currentOffset + chunk) >= size)
                 chunk = Math.toIntExact(size - currentOffset);
             //System.out.println("CO: "+currentOffset+"\t\tEO: "+receivedRangeSize+"\t\tRP: "+chunk);  // NOTE: DEBUG
-            logPrinter.updateProgress((currentOffset + chunk) / (size / 100.0) / 100.0);
 
             readBuffer = new byte[chunk];
 
@@ -261,6 +260,7 @@ class TinFoil extends TransferModule {
             if (writeUsb(readBuffer))
                 throw new IOException("TF Failure during file transfer.");
             currentOffset += chunk;
+            logPrinter.updateProgress((double)currentOffset / (double)size);
         }
         bufferedInStream.close();
         logPrinter.updateProgress(1.0);

src/main/resources/locale.properties

@@ -73,3 +73,5 @@ tab2_Cb_GLshowNspOnly=Show only *.nsp in GoldLeaf.
 windowBodyPleaseStopOtherProcessFirst=Please stop other active process before continuing.
 tab2_Cb_foldersSelectorForRoms=Select folder with ROM files instead of selecting ROMs individually.
 tab2_Cb_foldersSelectorForRomsDesc=Changes 'Select files' button behaviour on 'Games' tab: instead of selecting ROM files one-by-one you can choose folder to add every supported file at once.
+windowTitleAddingFiles=Searching for files...
+windowBodyFilesScanned=Files scanned: %d\nWould be added: %d

src/main/resources/locale_en_US.properties

@@ -73,3 +73,5 @@ tab2_Cb_GLshowNspOnly=Show only *.nsp in GoldLeaf.
 windowBodyPleaseStopOtherProcessFirst=Please stop other active process before continuing.
 tab2_Cb_foldersSelectorForRoms=Select folder with ROM files instead of selecting ROMs individually.
 tab2_Cb_foldersSelectorForRomsDesc=Changes 'Select files' button behaviour on 'Games' tab: instead of selecting ROM files one-by-one you can choose folder to add every supported file at once.
+windowTitleAddingFiles=Searching for files...
+windowBodyFilesScanned=Files scanned: %d\nWould be added: %d

src/main/resources/locale_ru_RU.properties

@@ -71,4 +71,6 @@ tab2_Cb_GlVersion=\u0412\u0435\u0440\u0441\u0438\u044F GoldLeaf
 windowBodyPleaseStopOtherProcessFirst=\u041F\u043E\u0436\u0430\u043B\u0443\u0439\u0441\u0442\u0430, \u043E\u0441\u0442\u0430\u043D\u043E\u0432\u0438\u0442\u0435 \u0434\u0440\u0443\u0433\u043E\u0439 \u0430\u043A\u0442\u0438\u0432\u043D\u044B\u0439 \u043F\u0440\u043E\u0446\u0435\u0441\u0441 \u043F\u0435\u0440\u0435\u0434 \u0442\u0435\u043C, \u043A\u0430\u043A \u043F\u0440\u043E\u0434\u043E\u043B\u0436\u0438\u0442\u044C.
 tab2_Cb_foldersSelectorForRomsDesc=\u041C\u0435\u043D\u044F\u0435\u0442 \u043F\u043E\u0432\u0435\u0434\u0435\u043D\u0438\u0435 \u043A\u043D\u043E\u043F\u043A\u0438 "\u0412\u044B\u0431\u0440\u0430\u0442\u044C \u0444\u0430\u0439\u043B\u044B" \u043D\u0430 \u0432\u043A\u043B\u0430\u0434\u043A\u0435 '\u0418\u0433\u0440\u044B'. \u0412\u043C\u0435\u0441\u0442\u043E \u0432\u044B\u0431\u043E\u0440\u0430 ROM \u0444\u0430\u0439\u043B\u043E\u0432 \u043F\u043E \u043E\u0434\u043D\u043E\u043C\u0443 \u0432\u044B \u0443\u043A\u0430\u0437\u044B\u0432\u0430\u0435\u0442\u0435 \u043F\u0430\u043F\u043A\u0443, \u043F\u043E\u0441\u043B\u0435 \u0447\u0435\u0433\u043E \u0432\u0441\u0435 \u043F\u043E\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043C\u044B\u0435 \u043E\u0431\u0440\u0430\u0437\u044B \u0434\u043E\u0431\u0430\u0432\u043B\u044F\u044E\u0442\u0441\u044F.
 tab2_Cb_foldersSelectorForRoms=\u0412\u044B\u0431\u0438\u0440\u0430\u0442\u044C \u043F\u0430\u043F\u043A\u0443 \u0441 ROM \u0444\u0430\u0439\u043B\u0430\u043C\u0438 \u0432\u043C\u0435\u0441\u0442\u043E \u0432\u044B\u0431\u043E\u0440\u0430 \u0444\u0430\u0439\u043B\u043E\u0432 \u043F\u043E\u043E\u0434\u0438\u043D\u043E\u0447\u043A\u0435.
+windowTitleAddingFiles=\u0418\u0449\u0435\u043C \u0444\u0430\u0439\u043B\u044B...
+windowBodyFilesScanned=\u0424\u0430\u0439\u043B\u043E\u0432 \u043F\u0440\u043E\u0441\u043A\u0430\u043D\u0438\u0440\u043E\u0432\u0430\u043D\u043E: %d\n\u0418\u0437 \u043A\u043E\u0442\u043E\u0440\u044B\u0445 \u0431\u0443\u0434\u0435\u0442 \u0434\u043E\u0431\u0430\u0432\u043B\u0435\u043D\u043E: %d
 

src/main/resources/locale_uk_UA.properties

@@ -71,3 +71,5 @@ tab2_Cb_GlVersion=\u0412\u0435\u0440\u0441\u0456\u044F GoldLeaf
 windowBodyPleaseStopOtherProcessFirst=\u0411\u0443\u0434\u044C \u043B\u0430\u0441\u043A\u0430, \u0437\u0443\u043F\u0438\u043D\u0456\u0442\u044C \u0456\u043D\u0448\u0438\u0439 \u0430\u043A\u0442\u0438\u0432\u043D\u0438\u0439 \u043F\u0440\u043E\u0446\u0435\u0441 \u043F\u0435\u0440\u0448 \u043D\u0456\u0436 \u043F\u0440\u043E\u0434\u043E\u0432\u0436\u0438\u0442\u0438.
 tab2_Cb_foldersSelectorForRomsDesc=\u0417\u043C\u0456\u043D\u044E\u0454 \u043F\u043E\u0432\u0435\u0434\u0456\u043D\u043A\u0443 \u043A\u043D\u043E\u043F\u043A\u0438 \u043A\u043D\u043E\u043F\u043A\u0438 "\u0412\u0438\u0431\u0440\u0430\u0442\u0438 \u0444\u0430\u0439\u043B\u0438" \u043D\u0430 \u0432\u043A\u043B\u0430\u0434\u0446\u0456 '\u0406\u0433\u0440\u0438'. \u0417\u0430\u043C\u0456\u0441\u0442\u044C \u0432\u0438\u0431\u043E\u0440\u0443 ROM \u0444\u0430\u0439\u043B\u0456\u0432 \u043E\u0434\u0438\u043D \u0437\u0430 \u043E\u0434\u043D\u0438\u043C \u0432\u0438 \u0432\u043A\u0430\u0437\u0443\u0454\u0442\u0435 \u043F\u0430\u043F\u043A\u0443, \u043F\u0456\u0441\u043B\u044F \u0447\u043E\u0433\u043E \u0434\u043E\u0434\u0430\u044E\u0442\u044C\u0441\u044F \u0443\u0441\u0456 \u0444\u0430\u0439\u043B\u0438, \u0449\u043E \u043F\u0456\u0434\u0442\u0440\u0438\u043C\u0443\u044E\u0442\u044C\u0441\u044F.
 tab2_Cb_foldersSelectorForRoms=\u0412\u0438\u0431\u0438\u0440\u0430\u0442\u0438 \u043F\u0430\u043F\u043A\u0443 \u0437 ROM \u0444\u0430\u0439\u043B\u0430\u043C\u0438 \u0437\u0430\u043C\u0456\u0441\u0442\u044C \u0432\u0438\u0431\u043E\u0440\u0443 \u0444\u0430\u0439\u043B\u0456\u0432 \u043F\u043E\u043E\u0434\u0438\u043D\u0446\u0456.
+windowTitleAddingFiles=\u0428\u0443\u043A\u0430\u0454\u043C\u043E \u0444\u0430\u0439\u043B\u0438...
+windowBodyFilesScanned=\u0424\u0430\u0439\u043B\u0456\u0432 \u043F\u0440\u043E\u0441\u043A\u0430\u043D\u043E\u0432\u0430\u043D\u043E: %d\n\u0417 \u044F\u043A\u0438\u0445 \u0431\u0443\u0434\u0435 \u0434\u043E\u0434\u0430\u043D\u043E: %d

src/main/resources/res/app_dark.css

@@ -78,6 +78,10 @@
     -fx-padding: 0.23em;
 }
 
+.progress-indicator {
+    -fx-progress-color: #00bce4;
+}
+
 .dialog-pane {
     -fx-background-color: #4f4f4f;
 }
@@ -131,7 +135,7 @@
 }
 
 
-// -======================== TAB PANE =========================-
+/* -======================== TAB PANE =========================- */
 .tab-pane .tab SVGPath{
     -fx-fill: #f7fafa;
 }

src/main/resources/res/app_light.css

@@ -24,7 +24,7 @@
     -fx-effect: dropshadow(three-pass-box, #00caca, 2, 0, 0, 0);
 }
 .button:focused, .buttonStop:focused, .buttonUp:focused, .buttonSelect:focused, .choice-box:focused{
-    -fx-background-color: #cccccc;
+    -fx-background-color: #fefefe;
     -fx-background-insets: 0 0 0 0, 0, 1, 2;
     -fx-border-color: #cccccc;
     -fx-border-radius: 3;
@@ -95,6 +95,10 @@
     -fx-padding: 0.23em;
 }
 
+.progress-indicator {
+    -fx-progress-color: #00bce4;
+}
+
 .dialog-pane {
     -fx-background-color: #fefefe;
 }
@@ -183,9 +187,9 @@
 
 .tab-pane > .tab-header-area > .tab-header-background
 {
-   -fx-background-color: #ebebeb;
-
+   -fx-background-color: linear-gradient(to right, #ebebeb 0%, #fefefe 7.5%, #fefefe 100%);
 }
+
 .tab-pane > .tab-header-area > .headers-region > .tab {
     -fx-padding: 10;
 }
@@ -220,7 +224,7 @@
     -fx-text-fill: #2c2c2c;
 }
 .table-row-cell, .table-row-cell:filled:selected, .table-row-cell:selected{
-    -fx-background-color: -fx-table-cell-border-color, #d3fffd;
+    -fx-background-color: -fx-table-cell-border-color, #ebfffe;
     -fx-background-insets: 0, 0 0 1 0;
     -fx-padding: 0.0em; /* 0 */
     -fx-table-cell-border-color: #b0b0b0;