67 lines
2.5 KiB
Java
67 lines
2.5 KiB
Java
package org.grapheneos.pdfviewer.fragment;
|
|
|
|
import android.app.Dialog;
|
|
import android.content.DialogInterface;
|
|
import android.os.Bundle;
|
|
import android.view.Gravity;
|
|
import android.widget.FrameLayout;
|
|
import android.widget.NumberPicker;
|
|
|
|
import androidx.appcompat.app.AlertDialog;
|
|
import androidx.fragment.app.DialogFragment;
|
|
|
|
import org.grapheneos.pdfviewer.PdfViewer;
|
|
|
|
public class JumpToPageFragment extends DialogFragment {
|
|
public static final String TAG = "JumpToPageFragment";
|
|
|
|
private final static String STATE_PICKER_CUR = "picker_cur";
|
|
private final static String STATE_PICKER_MIN = "picker_min";
|
|
private final static String STATE_PICKER_MAX = "picker_max";
|
|
|
|
private NumberPicker mPicker;
|
|
|
|
@Override
|
|
public void onActivityCreated(Bundle savedInstanceState) {
|
|
super.onActivityCreated(savedInstanceState);
|
|
if (savedInstanceState != null) {
|
|
mPicker.setMinValue(savedInstanceState.getInt(STATE_PICKER_MIN));
|
|
mPicker.setMaxValue(savedInstanceState.getInt(STATE_PICKER_MAX));
|
|
mPicker.setValue(savedInstanceState.getInt(STATE_PICKER_CUR));
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public Dialog onCreateDialog(Bundle savedInstanceState) {
|
|
mPicker = new NumberPicker(getActivity());
|
|
mPicker.setMinValue(1);
|
|
mPicker.setMaxValue(((PdfViewer)getActivity()).mNumPages);
|
|
mPicker.setValue(((PdfViewer)getActivity()).mPage);
|
|
|
|
final FrameLayout layout = new FrameLayout(getActivity());
|
|
layout.addView(mPicker, new FrameLayout.LayoutParams(
|
|
FrameLayout.LayoutParams.WRAP_CONTENT,
|
|
FrameLayout.LayoutParams.WRAP_CONTENT,
|
|
Gravity.CENTER));
|
|
|
|
return new AlertDialog.Builder(getActivity())
|
|
.setView(layout)
|
|
.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
|
|
@Override
|
|
public void onClick(DialogInterface dialogInterface, int i) {
|
|
mPicker.clearFocus();
|
|
((PdfViewer)getActivity()).onJumpToPageInDocument(mPicker.getValue());
|
|
}
|
|
})
|
|
.setNegativeButton(android.R.string.cancel, null)
|
|
.create();
|
|
}
|
|
|
|
@Override
|
|
public void onSaveInstanceState(Bundle outState) {
|
|
outState.putInt(STATE_PICKER_MIN, mPicker.getMinValue());
|
|
outState.putInt(STATE_PICKER_MAX, mPicker.getMaxValue());
|
|
outState.putInt(STATE_PICKER_CUR, mPicker.getValue());
|
|
}
|
|
}
|