/*
* Geopaparazzi - Digital field mapping on Android based devices
* Copyright (C) 2016 HydroloGIS (www.hydrologis.com)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package eu.geopaparazzi.library.core.dialogs;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.Spinner;
import android.widget.TextView;
import java.util.List;
import eu.geopaparazzi.library.R;
import eu.geopaparazzi.library.style.LabelObject;
/**
* Class to label properties for a feature.
*
* @author Andrea Antonello
*/
public class LabelDialogFragment extends DialogFragment {
/**
* A simple interface to use to notify label properties changes.
*/
public interface ILabelPropertiesChangeListener {
/**
* Called when there is the need to notify that a change occurred.
*/
void onPropertiesChanged(LabelObject newLabelObject);
}
private final static String PREFS_KEY_LABELPROPERTIES = "PREFS_KEY_LABELPROPERTIES";
private LabelObject mCurrentLabelObject;
private ILabelPropertiesChangeListener labelPropertiesChangeListener;
private TextView mSizeTextView;
/**
* Create a dialog instance.
*
* @param labelObject object holding label info.
* @return the instance.
*/
public static LabelDialogFragment newInstance(LabelObject labelObject) {
LabelDialogFragment f = new LabelDialogFragment();
Bundle args = new Bundle();
args.putSerializable(PREFS_KEY_LABELPROPERTIES, labelObject);
f.setArguments(args);
return f;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
LabelObject mInitialLabelObject = (LabelObject) getArguments().getSerializable(PREFS_KEY_LABELPROPERTIES);
if (mInitialLabelObject != null) {
mCurrentLabelObject = mInitialLabelObject.duplicate();
}
}
@Override
public Dialog onCreateDialog(Bundle bundle) {
AlertDialog.Builder builder =
new AlertDialog.Builder(getActivity());
View labelDialogView =
getActivity().getLayoutInflater().inflate(
R.layout.fragment_dialog_label, null);
builder.setView(labelDialogView);
CheckBox visibilityCheckBox = (CheckBox) labelDialogView.findViewById(R.id.checkVisibility);
visibilityCheckBox.setChecked(mCurrentLabelObject.hasLabel);
visibilityCheckBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
mCurrentLabelObject.hasLabel = isChecked;
}
});
mSizeTextView = (TextView) labelDialogView.findViewById(R.id.sizeTextView);
mSizeTextView.setText(String.valueOf(mCurrentLabelObject.labelSize));
SeekBar mSizeSeekBar = (SeekBar) labelDialogView.findViewById(R.id.sizeSeekBar);
mSizeSeekBar.setOnSeekBarChangeListener(sizeChanged);
mSizeSeekBar.setProgress(mCurrentLabelObject.labelSize);
List<String> labelFieldsList = mCurrentLabelObject.labelFieldsList;
int index = 0;
for (int i = 0; i < labelFieldsList.size(); i++) {
if (labelFieldsList.get(i).equals(mCurrentLabelObject.label)) {
index = i;
break;
}
}
final Spinner fieldsSpinner = (Spinner) labelDialogView.findViewById(R.id.labelFieldSpinner);
ArrayAdapter<String> fieldsSpinnerAdapter = new ArrayAdapter<String>(getActivity(), android.R.layout.simple_spinner_item,
labelFieldsList);
fieldsSpinnerAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
fieldsSpinner.setAdapter(fieldsSpinnerAdapter);
fieldsSpinner.setSelection(index);
fieldsSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
Object selectedItem = fieldsSpinner.getSelectedItem();
String fieldStr = selectedItem.toString();
mCurrentLabelObject.label = fieldStr;
}
public void onNothingSelected(AdapterView<?> arg0) {
// ignore
}
});
builder.setPositiveButton(R.string.set_properties,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
if (labelPropertiesChangeListener != null) {
labelPropertiesChangeListener.onPropertiesChanged(mCurrentLabelObject);
}
}
}
);
builder.setNegativeButton(getString(android.R.string.cancel),
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
}
}
);
return builder.create(); // return dialog
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
if (activity instanceof ILabelPropertiesChangeListener) {
labelPropertiesChangeListener = (ILabelPropertiesChangeListener) activity;
}
}
@Override
public void onDetach() {
super.onDetach();
labelPropertiesChangeListener = null;
}
private final OnSeekBarChangeListener sizeChanged =
new OnSeekBarChangeListener() {
@Override
public void onProgressChanged(SeekBar seekBar, int progress,
boolean fromUser) {
mCurrentLabelObject.labelSize = progress;
mSizeTextView.setText(String.valueOf(progress));
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
} // required
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
} // required
};
}