Delete file context menu with file deletion function

chitanka · Feb 4, 2017 · 5cbbfe5 · 5cbbfe5
1 parent 9e54e0e
commit 5cbbfe5
Show file tree

Hide file tree

Showing 4 changed files with 50 additions and 2 deletions.
diff --git a/app/src/main/java/info/chitanka/android/ui/adapters/FilesAdapter.java b/app/src/main/java/info/chitanka/android/ui/adapters/FilesAdapter.java
@@ -1,6 +1,8 @@
 package info.chitanka.android.ui.adapters;
 
+import android.content.Context;
 import android.support.v7.widget.RecyclerView;
+import android.view.ContextMenu;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -19,18 +21,34 @@
  * Created by joro on 03.02.17.
  */
 
-public class FilesAdapter extends RecyclerView.Adapter<FilesAdapter.ViewHolder> {
+public class FilesAdapter extends RecyclerView.Adapter<FilesAdapter.ViewHolder> implements View.OnCreateContextMenuListener {
     private List<File> files;
     private PublishSubject<File> onFileClick = PublishSubject.create();
+    private int position;
 
     public FilesAdapter(List<File> files) {
         this.files = files;
     }
 
+    public int getPosition() {
+        return position;
+    }
+
+    public File getFile(int position) {
+        return files.get(position);
+    }
+
     @Override
     public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
         View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item_file, parent, false);
         ViewHolder viewHolder = new ViewHolder(view);
+        viewHolder.llContainer.setOnLongClickListener(view12 -> {
+            if (viewHolder.getAdapterPosition() != RecyclerView.NO_POSITION) {
+                this.position = viewHolder.getAdapterPosition();
+            }
+
+            return false;
+        });
         viewHolder.llContainer.setOnClickListener(view1 -> {
             if (viewHolder.getAdapterPosition() == RecyclerView.NO_POSITION) {
                 return;
@@ -39,6 +57,7 @@ public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
             File file = files.get(viewHolder.getAdapterPosition());
             onFileClick.onNext(file);
         });
+        viewHolder.llContainer.setOnCreateContextMenuListener(this);
 
         return viewHolder;
     }
@@ -57,6 +76,13 @@ public int getItemCount() {
         return files.size();
     }
 
+    @Override
+    public void onCreateContextMenu(ContextMenu contextMenu, View view, ContextMenu.ContextMenuInfo contextMenuInfo) {
+        Context context = view.getContext();
+        contextMenu.setHeaderTitle(context.getString(R.string.files_delete_title));
+        contextMenu.add(0, view.getId(), 0, context.getString(R.string.delete));
+    }
+
     static class ViewHolder extends RecyclerView.ViewHolder {
 
         @Bind(R.id.container)

diff --git a/app/src/main/java/info/chitanka/android/ui/fragments/my/MyLibraryFragment.java b/app/src/main/java/info/chitanka/android/ui/fragments/my/MyLibraryFragment.java
@@ -34,6 +34,7 @@
 import info.chitanka.android.mvp.views.MyLibraryView;
 import info.chitanka.android.ui.adapters.FilesAdapter;
 import info.chitanka.android.ui.fragments.BaseFragment;
+import info.chitanka.android.utils.FileUtils;
 import permissions.dispatcher.NeedsPermission;
 import permissions.dispatcher.OnPermissionDenied;
 import permissions.dispatcher.OnShowRationale;
@@ -71,6 +72,8 @@ public static MyLibraryFragment newInstance() {
     @Bind(R.id.tv_empty)
     TextView tvNoFiles;
 
+    private FilesAdapter adapter;
+
     @Override
     public void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -108,6 +111,16 @@ public boolean onOptionsItemSelected(MenuItem item) {
         return super.onOptionsItemSelected(item);
     }
 
+    @Override
+    public boolean onContextItemSelected(MenuItem item) {
+        if (getString(R.string.delete).equals(item.getTitle())) {
+            File file = adapter.getFile(adapter.getPosition());
+            FileUtils.deleteFile(file);
+            presenter.readFiles();
+        }
+        return super.onContextItemSelected(item);
+    }
+
     @Override
     public void onDestroyView() {
         super.onDestroyView();
@@ -169,7 +182,7 @@ public void displayFilesList(List<File> files) {
             containerEmpty.setVisibility(View.GONE);
             rvFiles.setVisibility(View.VISIBLE);
         }
-        FilesAdapter adapter = new FilesAdapter(files);
+        adapter = new FilesAdapter(files);
         adapter.getOnFileClick().compose(bindToLifecycle()).subscribe(file -> {
             Intent intent = new Intent(getActivity(), FolioActivity.class);
             intent.putExtra(FolioActivity.INTENT_EPUB_SOURCE_TYPE, FolioActivity.EpubSourceType.SD_CARD);

diff --git a/app/src/main/java/info/chitanka/android/utils/FileUtils.java b/app/src/main/java/info/chitanka/android/utils/FileUtils.java
@@ -55,4 +55,11 @@ private static boolean isFolderAvailable() {
         File file = new File(getChitankaEpubFolderPath());
         return file.isDirectory();
     }
+
+    public static boolean deleteFile(File file) {
+        if (file != null && file.exists()) {
+            return file.delete();
+        }
+        return false;
+    }
 }
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
@@ -55,4 +55,6 @@
     <string name="downloading_file">Файлът се сваля!</string>
     <string name="file_downloaded">Файлът е свален!</string>
     <string name="my_lib_no_files">Нямате свалени файлове за четене!</string>
+    <string name="files_delete_title">Изтриване на файл</string>
+    <string name="delete">Изтрий</string>
 </resources>