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