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Simple-Gallery
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Code Issues Packages Projects Releases Wiki Activity

allow deleting full directories

This commit is contained in:
tibbi 2016-03-06 21:45:48 +01:00
parent 75d2a4a19e
commit e03cf07761
5 changed files with 132 additions and 16 deletions
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101
app/src/main/java/com/simplemobiletools/gallery/activities/MainActivity.java
View File

@ -3,18 +3,24 @@ package com.simplemobiletools.gallery.activities;
import android.Manifest;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.res.Resources;
import android.database.Cursor;
import android.graphics.Color;
import android.media.MediaScannerConnection;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.support.design.widget.CoordinatorLayout;
import android.support.design.widget.Snackbar;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AppCompatActivity;
import android.util.SparseBooleanArray;
import android.view.ActionMode;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.widget.AdapterView;
import android.widget.GridView;
@ -33,11 +39,14 @@ import java.util.List;
import java.util.Map;
public class MainActivity extends AppCompatActivity
implements AdapterView.OnItemClickListener, GridView.MultiChoiceModeListener, MediaScannerConnection.OnScanCompletedListener {
implements AdapterView.OnItemClickListener, GridView.MultiChoiceModeListener, GridView.OnTouchListener {
private final int STORAGE_PERMISSION = 1;
private List<Directory> dirs;
private GridView gridView;
private int selectedItemsCnt;
private Snackbar snackbar;
private boolean isSnackbarShown;
private List<String> toBeDeleted;
@Override
protected void onCreate(Bundle savedInstanceState) {
@ -51,6 +60,12 @@ public class MainActivity extends AppCompatActivity
tryloadGallery();
}
@Override
protected void onPause() {
super.onPause();
deleteDirs();
}
private void tryloadGallery() {
if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) {
initializeGallery();
@ -73,6 +88,7 @@ public class MainActivity extends AppCompatActivity
}
private void initializeGallery() {
toBeDeleted = new ArrayList<>();
dirs = new ArrayList<>(getDirectories().values());
final DirectoryAdapter adapter = new DirectoryAdapter(this, dirs);
@ -80,6 +96,7 @@ public class MainActivity extends AppCompatActivity
gridView.setAdapter(adapter);
gridView.setOnItemClickListener(this);
gridView.setMultiChoiceModeListener(this);
gridView.setOnTouchListener(this);
}
private Map<String, Directory> getDirectories() {
@ -100,7 +117,7 @@ public class MainActivity extends AppCompatActivity
final Directory directory = directories.get(fileDir);
final int newImageCnt = directory.getPhotoCnt() + 1;
directory.setPhotoCnt(newImageCnt);
} else {
} else if (!toBeDeleted.contains(fileDir)) {
final String dirName = Helpers.getFilename(fileDir);
directories.put(fileDir, new Directory(fileDir, path, dirName, 1));
}
@ -111,6 +128,73 @@ public class MainActivity extends AppCompatActivity
return directories;
}
private void prepareForDeleting() {
Helpers.showToast(this, R.string.deleting);
final SparseBooleanArray items = gridView.getCheckedItemPositions();
int cnt = items.size();
for (int i = 0; i < cnt; i++) {
final int id = items.keyAt(i);
final String path = dirs.get(id).getPath();
toBeDeleted.add(path);
}
notifyDeletion(cnt);
}
private void notifyDeletion(int cnt) {
dirs = new ArrayList<>(getDirectories().values());
final CoordinatorLayout coordinator = (CoordinatorLayout) findViewById(R.id.coordinator_layout);
final Resources res = getResources();
final String msg = res.getQuantityString(R.plurals.folders_deleted, cnt, cnt);
snackbar = Snackbar.make(coordinator, msg, Snackbar.LENGTH_INDEFINITE);
snackbar.setAction(res.getString(R.string.undo), undoDeletion);
snackbar.setActionTextColor(Color.WHITE);
snackbar.show();
isSnackbarShown = true;
updateGridView();
}
private void deleteDirs() {
if (toBeDeleted.isEmpty())
return;
if (snackbar != null) {
snackbar.dismiss();
}
isSnackbarShown = false;
final List<String> updatedFiles = new ArrayList<>();
for (String delPath : toBeDeleted) {
final File dir = new File(delPath);
final File[] files = dir.listFiles();
for (File f : files) {
updatedFiles.add(f.getAbsolutePath());
f.delete();
}
}
final String[] deletedPaths = updatedFiles.toArray(new String[updatedFiles.size()]);
MediaScannerConnection.scanFile(this, deletedPaths, null, null);
}
private View.OnClickListener undoDeletion = new View.OnClickListener() {
@Override
public void onClick(View v) {
snackbar.dismiss();
isSnackbarShown = false;
toBeDeleted.clear();
dirs = new ArrayList<>(getDirectories().values());
updateGridView();
}
};
private void updateGridView() {
final DirectoryAdapter adapter = (DirectoryAdapter) gridView.getAdapter();
adapter.updateItems(dirs);
}
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
final Intent intent = new Intent(this, PhotosActivity.class);
@ -145,8 +229,15 @@ public class MainActivity extends AppCompatActivity
@Override
public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
switch (item.getItemId()) {
case R.id.cab_remove:
prepareForDeleting();
mode.finish();
return true;
default:
return false;
}
}
@Override
public void onDestroyActionMode(ActionMode mode) {
@ -154,7 +245,11 @@ public class MainActivity extends AppCompatActivity
}
@Override
public void onScanCompleted(String path, Uri uri) {
public boolean onTouch(View v, MotionEvent event) {
if (isSnackbarShown) {
deleteDirs();
}
return false;
}
}

5
app/src/main/java/com/simplemobiletools/gallery/activities/PhotosActivity.java
View File

@ -114,7 +114,7 @@ public class PhotosActivity extends AppCompatActivity
}
private List<String> getPhotos() {
List<String> myPhotos = new ArrayList<>();
final List<String> myPhotos = new ArrayList<>();
final Uri uri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
final String where = MediaStore.Images.Media.DATA + " like ? ";
final String[] args = new String[]{path + "%"};
@ -177,6 +177,9 @@ public class PhotosActivity extends AppCompatActivity
}
private void deleteFiles() {
if (toBeDeleted.isEmpty())
return;
if (snackbar != null) {
snackbar.dismiss();
}

8
app/src/main/java/com/simplemobiletools/gallery/adapters/DirectoryAdapter.java
View File

@ -36,7 +36,7 @@ public class DirectoryAdapter extends BaseAdapter {
holder = (ViewHolder) view.getTag();
}
Directory dir = dirs.get(position);
final Directory dir = dirs.get(position);
holder.dirName.setText(dir.getName());
holder.photoCnt.setText(String.valueOf(dir.getPhotoCnt()));
Glide.with(context).load(dir.getThumbnail()).placeholder(R.color.tmb_background).centerCrop().crossFade().into(holder.dirThumbnail);
@ -59,6 +59,12 @@ public class DirectoryAdapter extends BaseAdapter {
return 0;
}
public void updateItems(List<Directory> newDirs) {
dirs.clear();
dirs.addAll(newDirs);
notifyDataSetChanged();
}
static class ViewHolder {
TextView dirName;
TextView photoCnt;

9
app/src/main/res/layout/activity_main.xml
View File

@ -1,7 +1,12 @@
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout
android:id="@+id/coordinator_layout"
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<GridView
android:id="@+id/directories_grid"
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@android:color/black"
@ -11,3 +16,5 @@
android:numColumns="auto_fit"
android:stretchMode="columnWidth"
android:verticalSpacing="1dp"/>
</android.support.design.widget.CoordinatorLayout>

5
app/src/main/res/values/strings.xml
View File

@ -12,6 +12,11 @@
<string name="extension">Extension</string>
<string name="file_deleted">deleted</string>
<plurals name="folders_deleted">
<item quantity="one">1 folder deleted</item>
<item quantity="other">%1$d folders deleted</item>
</plurals>
<plurals name="files_deleted">
<item quantity="one">1 file deleted</item>
<item quantity="other">%1$d files deleted</item>