/*
* 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.forms.views;
import static eu.geopaparazzi.library.forms.FormUtilities.COLON;
import static eu.geopaparazzi.library.forms.FormUtilities.UNDERSCORE;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map.Entry;
import java.util.Set;
import android.content.Context;
import android.content.Intent;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.LinearLayout;
import android.widget.Spinner;
import android.widget.TextView;
import eu.geopaparazzi.library.R;
import eu.geopaparazzi.library.util.Compat;
/**
* A view that presents 2 connected {@link Spinner}s.
*
* @author Andrea Antonello (www.hydrologis.com)
*/
public class GTwoConnectedComboView extends View implements GView, OnItemSelectedListener {
private Spinner titleSpinner;
private Spinner valuesSpinner;
private LinkedHashMap<String, List<String>> dataMap;
private LinearLayout textLayout;
private String value;
/**
* @param context the context to use.
* @param attrs attributes.
* @param defStyle def style.
*/
public GTwoConnectedComboView( Context context, AttributeSet attrs, int defStyle ) {
super(context, attrs, defStyle);
}
/**
* @param context the context to use.
* @param attrs attributes.
*/
public GTwoConnectedComboView( Context context, AttributeSet attrs ) {
super(context, attrs);
}
/**
* @param context the context to use.
* @param attrs attributes.
* @param parentView parent
* @param label label
* @param value value
* @param dataMap the map of the data.
* @param constraintDescription constraints
*/
public GTwoConnectedComboView( Context context, AttributeSet attrs, LinearLayout parentView, String label, String value,
LinkedHashMap<String, List<String>> dataMap, String constraintDescription ) {
super(context, attrs);
this.value = value;
this.dataMap = dataMap;
textLayout = new LinearLayout(context);
LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT,
LayoutParams.WRAP_CONTENT);
layoutParams.setMargins(10, 10, 10, 10);
textLayout.setLayoutParams(layoutParams);
textLayout.setOrientation(LinearLayout.VERTICAL);
parentView.addView(textLayout);
TextView textView = new TextView(context);
textView.setLayoutParams(new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
textView.setPadding(2, 2, 2, 2);
textView.setText(label.replace(UNDERSCORE, " ").replace(COLON, " ") + " " + constraintDescription);
textView.setTextColor(Compat.getColor(context, R.color.formcolor));
textLayout.addView(textView);
titleSpinner = new Spinner(context);
titleSpinner.setLayoutParams(new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
titleSpinner.setPadding(15, 5, 15, 5);
Set<String> titlesSet = dataMap.keySet();
String[] titlesArray = titlesSet.toArray(new String[titlesSet.size()]);
String[] titlesArray2 = new String[titlesArray.length + 1];
System.arraycopy(titlesArray, 0, titlesArray2, 1, titlesArray.length);
titlesArray2[0] = "";
ArrayAdapter<String> titleListAdapter = new ArrayAdapter<String>(context, android.R.layout.simple_spinner_item,
titlesArray2);
titleListAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
titleSpinner.setAdapter(titleListAdapter);
titleSpinner.setOnItemSelectedListener(this);
List<String> valuesList = null;
if (value != null) {
String titleString = null;
if (value.length() == 0) {
titleString = "";
} else {
Set<Entry<String, List<String>>> entrySet = dataMap.entrySet();
for( Entry<String, List<String>> entry : entrySet ) {
List<String> tmpValuesList = entry.getValue();
if (tmpValuesList.contains(value.trim())) {
titleString = entry.getKey();
break;
}
}
}
if (titleString != null) {
valuesList = dataMap.get(titleString);
for( int i = 0; i < titlesArray2.length; i++ ) {
if (titlesArray2[i].equals(titleString.trim())) {
titleSpinner.setSelection(i);
break;
}
}
}
}
valuesSpinner = new Spinner(context);
valuesSpinner.setLayoutParams(new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
valuesSpinner.setPadding(15, 5, 15, 5);
List<String> dummyValuesList = new ArrayList<String>();
if (valuesList != null) {
dummyValuesList = valuesList;
}
ArrayAdapter<String> valuesListAdapter = new ArrayAdapter<String>(context, android.R.layout.simple_spinner_item,
dummyValuesList);
valuesListAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
valuesSpinner.setAdapter(valuesListAdapter);
// valuesSpinner.setOnItemSelectedListener(this);
checkValueSpinnerSelection(valuesList);
textLayout.addView(titleSpinner);
textLayout.addView(valuesSpinner);
}
private void checkValueSpinnerSelection( List<String> valuesList ) {
if (valuesList != null) {
for( int i = 0; i < valuesList.size(); i++ ) {
if (valuesList.get(i).equals(value.trim())) {
valuesSpinner.setSelection(i);
break;
}
}
}
}
public String getValue() {
Object selectedItem = valuesSpinner.getSelectedItem();
if (selectedItem == null) {
return "";
}
return selectedItem.toString();
}
@Override
public void setOnActivityResult( Intent data ) {
// ignore
}
@Override
public void refresh( Context context ) {
// ignore
}
@Override
public void onItemSelected( AdapterView< ? > parent, View callingView, int pos, long arg3 ) {
if (parent == titleSpinner) {
String title = titleSpinner.getSelectedItem().toString();
List<String> valuesList;
if (title.length() == 0) {
// nothing selected yet
valuesList = new ArrayList<String>();
} else {
valuesList = dataMap.get(title);
}
ArrayAdapter<String> valuesListAdapter = new ArrayAdapter<String>(parent.getContext(),
android.R.layout.simple_spinner_item, valuesList);
valuesListAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
valuesSpinner.setAdapter(valuesListAdapter);
checkValueSpinnerSelection(valuesList);
}
}
@Override
public void onNothingSelected( AdapterView< ? > arg0 ) {
// ignore
}
}