Ability to select & deselect a file

Author: BalioFVFX

simplefileexplorer/src/main/java/com/example/simplefileexplorer/ActivityListener.java

@@ -4,6 +4,6 @@
 
 interface ActivityListener extends Serializable {
     void onDirectoryChanged(String absolutePath);
-    void onFileSelect(String absolutePath);
+    void onFileSelect(FileModel fileModel);
     void onBackButtonPressed(String absolutePath);
 }

simplefileexplorer/src/main/java/com/example/simplefileexplorer/AdapterListener.java

@@ -4,5 +4,5 @@
 
 interface AdapterListener extends Serializable {
     void onDirectoryClick(String selectedAbsolutePath);
-    void onFileClick(String selectedAbsolutePath);
+    void onFileClick(FileModel fileModel);
 }

simplefileexplorer/src/main/java/com/example/simplefileexplorer/FileModel.java

@@ -2,13 +2,21 @@
 
 class FileModel {
     private String absolutePath;
+    private String directoryPath;
     private FileModelType fileModelType;
+    private boolean isSelected;
 
     public FileModel(String absolutePath, FileModelType fileModelType) {
         this.absolutePath = absolutePath;
+        this.directoryPath = this.absolutePath;
         this.fileModelType = fileModelType;
+        this.isSelected = false;
     }
 
+    public FileModel(String absolutePath, String directoryPath, FileModelType fileModelType) {
+        this(absolutePath, fileModelType);
+        this.directoryPath = directoryPath;
+    }
 
     public String getAbsolutePath() {
         return absolutePath;
@@ -22,6 +30,22 @@ public FileModelType getFileModelType() {
         return fileModelType;
     }
 
+    public boolean isSelected() {
+        return isSelected;
+    }
+
+    public void setSelected(boolean selected) {
+        isSelected = selected;
+    }
+
+    public String getDirectoryPath() {
+        return directoryPath;
+    }
+
+    public void setDirectoryPath(String directoryPath) {
+        this.directoryPath = directoryPath;
+    }
+
     public void setFileModelType(FileModelType fileModelType) {
         this.fileModelType = fileModelType;
     }

simplefileexplorer/src/main/java/com/example/simplefileexplorer/SimpleFileExplorerActivity.java

@@ -75,9 +75,16 @@ public void onDirectoryChanged(String absolutePath) {
     }
 
     @Override
-    public void onFileSelect(String absolutePath) {
-        this.selectedAbsolutePath = absolutePath;
-        this.fileTypeImageView.setImageResource(R.drawable.ic_file);
+    public void onFileSelect(FileModel fileModel) {
+        if(fileModel.isSelected()){
+            this.selectedAbsolutePath = fileModel.getAbsolutePath();
+            this.fileTypeImageView.setImageResource(R.drawable.ic_file);
+        }
+        else{
+            this.selectedAbsolutePath = fileModel.getDirectoryPath();
+            this.fileTypeImageView.setImageResource(R.drawable.ic_folder);
+        }
+
     }
 
     @Override

simplefileexplorer/src/main/java/com/example/simplefileexplorer/SimpleFileExplorerAdapter.java

@@ -51,7 +51,7 @@ public void onBindViewHolder(@NonNull SimpleFileExplorerViewHolder simpleFileExp
         simpleFileExplorerViewHolder.backgroundConstraintLayout.setBackgroundColor(Color.rgb(255, 255, 255));
         this.setTextByFileAbsolutePath(simpleFileExplorerViewHolder.fileAbsolutePathTextView, fileModel.getAbsolutePath());
         this.setImagesByFileType(simpleFileExplorerViewHolder.fileImageView, fileModel.getFileModelType());
-        this.setLayoutOnClickListenerByFileType(simpleFileExplorerViewHolder.backgroundConstraintLayout, fileModel.getFileModelType(), fileModel.getAbsolutePath(), i);
+        this.setLayoutOnClickListenerByFileType(simpleFileExplorerViewHolder.backgroundConstraintLayout, fileModel.getFileModelType(), fileModel, i);
         this.updateSelectedItemColor(simpleFileExplorerViewHolder.backgroundConstraintLayout, i);
 
 
@@ -68,7 +68,7 @@ public void loadDirectory(List<FileModel> filesList) {
             @Override
             public int compare(FileModel o1, FileModel o2) {
                 int directorySortResult = o2.getFileModelType().compareTo(o1.getFileModelType());
-                if(directorySortResult == 0){
+                if (directorySortResult == 0) {
                     return o1.getAbsolutePath().compareTo(o2.getAbsolutePath());
                 }
                 return directorySortResult;
@@ -84,10 +84,10 @@ private void setTextByFileAbsolutePath(TextView textView, String absolutePath) {
     private void setImagesByFileType(ImageView imageView, FileModelType fileModelType) {
         int fileImageId = 0;
         int directoryImageId = 0;
-        if(SimpleFileResources.imageFileId == null){
+        if (SimpleFileResources.imageFileId == null) {
             fileImageId = SimpleFileResources.defaultImageFileId;
         }
-        if(SimpleFileResources.imageDirectoryId == null){
+        if (SimpleFileResources.imageDirectoryId == null) {
             directoryImageId = SimpleFileResources.defaultImageDirectoryId;
         }
         switch (fileModelType) {
@@ -102,18 +102,25 @@ private void setImagesByFileType(ImageView imageView, FileModelType fileModelTyp
         }
     }
 
-    private void setLayoutOnClickListenerByFileType(final ConstraintLayout layout, final FileModelType fileModelType, final String absolutePath, final int index) {
+    private void setLayoutOnClickListenerByFileType(final ConstraintLayout layout, final FileModelType fileModelType, final FileModel fileModel, final int index) {
         layout.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
                 switch (fileModelType) {
                     case FILE:
-                        adapterListener.onFileClick(absolutePath);
+                        if (fileModel.isSelected()) {
+                            fileModel.setSelected(false);
+                            adapterListener.onFileClick(fileModel);
+                            notifyDataSetChanged();
+                            break;
+                        }
+                        fileModel.setSelected(true);
+                        adapterListener.onFileClick(fileModel);
                         previousItemSelectedIndex = index;
                         notifyDataSetChanged();
                         break;
                     case DIRECTORY:
-                        adapterListener.onDirectoryClick(absolutePath);
+                        adapterListener.onDirectoryClick(fileModel.getAbsolutePath());
                         break;
                     default:
                         break;

simplefileexplorer/src/main/java/com/example/simplefileexplorer/SimpleFileExplorerFragment.java

@@ -69,7 +69,7 @@ private void loadDirectory(){
                     fileModelList.add(new FileModel(file.getAbsolutePath(), FileModelType.DIRECTORY));
                 }
                 else{
-                    fileModelList.add(new FileModel(file.getAbsolutePath(), FileModelType.FILE));
+                    fileModelList.add(new FileModel(file.getAbsolutePath(), file.getParentFile().getAbsolutePath(), FileModelType.FILE));
                 }
             }
         }
@@ -95,8 +95,8 @@ public void onDirectoryClick(String selectedAbsolutePath) {
     }
 
     @Override
-    public void onFileClick(String selectedAbsolutePath) {
-        this.activityListener.onFileSelect(selectedAbsolutePath);
+    public void onFileClick(FileModel fileModel) {
+        this.activityListener.onFileSelect(fileModel);
     }
 
     void setListeners(ActivityListener activityListener){