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Android: Convert CustomFilePickerFragment to Kotlin

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This commit is contained in:
Charles Lombardo
2023-06-10 13:44:16 -04:00
parent 35bb663c2a
commit 7e7cd6ff76
2 changed files with 73 additions and 90 deletions
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90
Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/fragments/CustomFilePickerFragment.java
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@ -1,90 +0,0 @@
// SPDX-License-Identifier: GPL-2.0-or-later
package org.dolphinemu.dolphinemu.fragments;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.core.content.FileProvider;
import com.nononsenseapps.filepicker.FilePickerFragment;
import org.dolphinemu.dolphinemu.R;
import java.io.File;
import java.util.HashSet;
public class CustomFilePickerFragment extends FilePickerFragment
{
public static final String KEY_EXTENSIONS = "KEY_EXTENSIONS";
private HashSet<String> mExtensions;
public void setExtensions(HashSet<String> extensions)
{
Bundle b = getArguments();
if (b == null)
b = new Bundle();
b.putSerializable(KEY_EXTENSIONS, extensions);
setArguments(b);
}
@NonNull
@Override
public Uri toUri(@NonNull final File file)
{
return FileProvider
.getUriForFile(getContext(),
getContext().getApplicationContext().getPackageName() + ".filesprovider",
file);
}
@Override public void onActivityCreated(Bundle savedInstanceState)
{
super.onActivityCreated(savedInstanceState);
mExtensions = (HashSet<String>) getArguments().getSerializable(KEY_EXTENSIONS);
if (mode == MODE_DIR)
{
TextView ok = getActivity().findViewById(R.id.nnf_button_ok);
ok.setText(R.string.select_dir);
TextView cancel = getActivity().findViewById(R.id.nnf_button_cancel);
cancel.setVisibility(View.GONE);
}
}
@Override
protected boolean isItemVisible(@NonNull final File file)
{
// Some users jump to the conclusion that Dolphin isn't able to detect their
// files if the files don't show up in the file picker when mode == MODE_DIR.
// To avoid this, show files even when the user needs to select a directory.
return (showHiddenItems || !file.isHidden()) &&
(file.isDirectory() ||
mExtensions.contains(fileExtension(file.getName()).toLowerCase()));
}
@Override
public boolean isCheckable(@NonNull final File file)
{
// We need to make a small correction to the isCheckable logic due to
// overriding isItemVisible to show files when mode == MODE_DIR.
// AbstractFilePickerFragment always treats files as checkable when
// allowExistingFile == true, but we don't want files to be checkable when mode == MODE_DIR.
return super.isCheckable(file) && !(mode == MODE_DIR && file.isFile());
}
private static String fileExtension(@NonNull String filename)
{
int i = filename.lastIndexOf('.');
return i < 0 ? "" : filename.substring(i + 1);
}
}

73
Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/fragments/CustomFilePickerFragment.kt Normal file
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// SPDX-License-Identifier: GPL-2.0-or-later
package org.dolphinemu.dolphinemu.fragments
import android.net.Uri
import android.os.Bundle
import android.view.View
import android.widget.TextView
import androidx.core.content.FileProvider
import com.nononsenseapps.filepicker.FilePickerFragment
import org.dolphinemu.dolphinemu.R
import org.dolphinemu.dolphinemu.utils.SerializableHelper.serializable
import java.io.File
import java.util.Locale
class CustomFilePickerFragment : FilePickerFragment() {
private var extensions: HashSet<String>? = null
fun setExtensions(extensions: HashSet<String>?) {
var b = arguments
if (b == null)
b = Bundle()
b.putSerializable(KEY_EXTENSIONS, extensions)
arguments = b
}
override fun toUri(file: File): Uri {
return FileProvider.getUriForFile(
requireContext(),
"${requireContext().applicationContext.packageName}.filesprovider",
file
)
}
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
extensions = requireArguments().serializable(KEY_EXTENSIONS) as HashSet<String>?
if (mode == MODE_DIR) {
val ok = requireActivity().findViewById<TextView>(R.id.nnf_button_ok)
ok.setText(R.string.select_dir)
val cancel = requireActivity().findViewById<TextView>(R.id.nnf_button_cancel)
cancel.visibility = View.GONE
}
}
override fun isItemVisible(file: File): Boolean {
// Some users jump to the conclusion that Dolphin isn't able to detect their
// files if the files don't show up in the file picker when mode == MODE_DIR.
// To avoid this, show files even when the user needs to select a directory.
return (showHiddenItems || !file.isHidden) &&
(file.isDirectory || extensions!!.contains(fileExtension(file.name).lowercase(Locale.getDefault())))
}
override fun isCheckable(file: File): Boolean {
// We need to make a small correction to the isCheckable logic due to
// overriding isItemVisible to show files when mode == MODE_DIR.
// AbstractFilePickerFragment always treats files as checkable when
// allowExistingFile == true, but we don't want files to be checkable when mode == MODE_DIR.
return super.isCheckable(file) && !(mode == MODE_DIR && file.isFile)
}
companion object {
const val KEY_EXTENSIONS = "KEY_EXTENSIONS"
private fun fileExtension(filename: String): String {
val i = filename.lastIndexOf('.')
return if (i < 0) "" else filename.substring(i + 1)
}
}
}