package net.everythingandroid.smspopup.preferences;
import net.everythingandroid.smspopup.R;
import net.everythingandroid.smspopup.util.ManageNotification;
import android.app.AlertDialog.Builder;
import android.content.Context;
import android.content.DialogInterface;
import android.content.res.TypedArray;
import android.os.Parcel;
import android.os.Parcelable;
import android.preference.Preference;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.CheckedTextView;
import android.widget.ImageView;
/**
* A {@link Preference} that displays a list of entries as a dialog.
*
* This preference will store a string into the SharedPreferences. This string will be the value
* from the {@link #setEntryValues(CharSequence[])} array.
*
* @attr ref android.R.styleable#ListPreference_entries
* @attr ref android.R.styleable#ListPreference_entryValues
*/
public class NotificationIconListPreference extends DialogPreference {
private CharSequence[] mEntries;
private CharSequence[] mEntryValues;
private String mValue;
private String mSummary;
private int selectedItemIndex;
private Context context;
public NotificationIconListPreference(Context _context, AttributeSet attrs) {
super(_context, attrs);
context = _context;
// Fetch entries, values and summary info for preference
mEntries = context.getResources().getStringArray(R.array.pref_notif_icon_entries);
mEntryValues = context.getResources().getStringArray(R.array.pref_notif_icon_values);
mSummary = context.getResources().getString(R.string.pref_notif_icon_summary);
}
public NotificationIconListPreference(Context context) {
this(context, null);
}
/**
* Sets the human-readable entries to be shown in the list. This will be shown in subsequent
* dialogs.
* <p>
* Each entry must have a corresponding index in {@link #setEntryValues(CharSequence[])}.
*
* @param entries
* The entries.
* @see #setEntryValues(CharSequence[])
*/
public void setEntries(CharSequence[] entries) {
mEntries = entries;
}
/**
* @see #setEntries(CharSequence[])
* @param entriesResId
* The entries array as a resource.
*/
public void setEntries(int entriesResId) {
setEntries(getContext().getResources().getTextArray(entriesResId));
}
/**
* The list of entries to be shown in the list in subsequent dialogs.
*
* @return The list as an array.
*/
public CharSequence[] getEntries() {
return mEntries;
}
/**
* The array to find the value to save for a preference when an entry from entries is selected.
* If a user clicks on the second item in entries, the second item in this array will be saved
* to the preference.
*
* @param entryValues
* The array to be used as values to save for the preference.
*/
public void setEntryValues(CharSequence[] entryValues) {
mEntryValues = entryValues;
}
/**
* @see #setEntryValues(CharSequence[])
* @param entryValuesResId
* The entry values array as a resource.
*/
public void setEntryValues(int entryValuesResId) {
setEntryValues(getContext().getResources().getTextArray(entryValuesResId));
}
/**
* Returns the array of values to be saved for the preference.
*
* @return The array of values.
*/
public CharSequence[] getEntryValues() {
return mEntryValues;
}
/**
* Sets the value of the key. This should be one of the entries in {@link #getEntryValues()}.
*
* @param value
* The value to set for the key.
*/
public void setValue(String value) {
mValue = value;
persistString(value);
}
/**
* Returns the summary of this ListPreference. If the summary has a
* {@linkplain java.lang.String#format String formatting} marker in it (i.e. "%s" or "%1$s"),
* then the current entry value will be substituted in its place.
*
* @return the summary with appropriate string substitution
*/
@Override
public CharSequence getSummary() {
final CharSequence entry = getEntry();
if (mSummary == null || entry == null) {
return super.getSummary();
} else {
return String.format(mSummary, entry);
}
}
/**
* Sets the summary for this Preference with a CharSequence. If the summary has a
* {@linkplain java.lang.String#format String formatting} marker in it (i.e. "%s" or "%1$s"),
* then the current entry value will be substituted in its place when it's retrieved.
*
* @param summary
* The summary for the preference.
*/
@Override
public void setSummary(CharSequence summary) {
super.setSummary(summary);
if (summary == null && mSummary != null) {
mSummary = null;
} else if (summary != null && !summary.equals(mSummary)) {
mSummary = summary.toString();
}
}
/**
* Sets the value to the given index from the entry values.
*
* @param index
* The index of the value to set.
*/
public void setValueIndex(int index) {
if (mEntryValues != null) {
setValue(mEntryValues[index].toString());
}
}
/**
* Returns the value of the key. This should be one of the entries in {@link #getEntryValues()}.
*
* @return The value of the key.
*/
public String getValue() {
return mValue;
}
/**
* Returns the entry corresponding to the current value.
*
* @return The entry corresponding to the current value, or null.
*/
public CharSequence getEntry() {
int index = getValueIndex();
return index >= 0 && mEntries != null ? mEntries[index] : null;
}
/**
* Returns the index of the given value (in the entry values array).
*
* @param value
* The value whose index should be returned.
* @return The index of the value, or -1 if not found.
*/
public int findIndexOfValue(String value) {
if (value != null && mEntryValues != null) {
for (int i = mEntryValues.length - 1; i >= 0; i--) {
if (mEntryValues[i].equals(value)) {
return i;
}
}
}
return -1;
}
private int getValueIndex() {
return findIndexOfValue(mValue);
}
@Override
protected void onPrepareDialogBuilder(Builder builder) {
super.onPrepareDialogBuilder(builder);
if (mEntries == null || mEntryValues == null) {
throw new IllegalStateException(
"ListPreference requires an entries array and an entryValues array.");
}
selectedItemIndex = getValueIndex();
// builder.setSingleChoiceItems(mEntries, mClickedDialogEntryIndex,
// new DialogInterface.OnClickListener() {
// public void onClick(DialogInterface dialog, int which) {
// mClickedDialogEntryIndex = which;
//
// /*
// * Clicking on an item simulates the positive button
// * click, and dismisses the dialog.
// */
// NotificationIconListPreference.this.onClick(dialog, DialogInterface.BUTTON_POSITIVE);
// dialog.dismiss();
// }
// });
AdapterItems[] listViewItems = new AdapterItems[mEntries.length];
for (int i = 0; i < mEntries.length; i++) {
listViewItems[i] =
new AdapterItems(mEntries[i], ManageNotification.NOTIF_ICON_RES[i][0]);
}
builder.setSingleChoiceItems(
new NotificationIconAdapter(
context,
R.layout.notification_icon_listview_row,
listViewItems,
selectedItemIndex),
selectedItemIndex,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
selectedItemIndex = which;
/*
* Clicking on an item simulates the positive button click, and dismisses
* the dialog.
*/
NotificationIconListPreference.this.onClick(dialog,
DialogInterface.BUTTON_POSITIVE);
dialog.dismiss();
}
}
);
/*
* The typical interaction for list-based dialogs is to have click-on-an-item dismiss the
* dialog instead of the user having to press 'Ok'.
*/
builder.setPositiveButton(null, null);
}
@Override
protected void onDialogClosed(boolean positiveResult) {
super.onDialogClosed(positiveResult);
if (positiveResult && selectedItemIndex >= 0 && mEntryValues != null) {
String value = mEntryValues[selectedItemIndex].toString();
if (callChangeListener(value)) {
setValue(value);
}
}
}
@Override
protected Object onGetDefaultValue(TypedArray a, int index) {
return a.getString(index);
}
@Override
protected void onSetInitialValue(boolean restoreValue, Object defaultValue) {
setValue(restoreValue ? getPersistedString(mValue) : (String) defaultValue);
}
@Override
protected Parcelable onSaveInstanceState() {
final Parcelable superState = super.onSaveInstanceState();
if (isPersistent()) {
// No need to save instance state since it's persistent
return superState;
}
final SavedState myState = new SavedState(superState);
myState.value = getValue();
return myState;
}
@Override
protected void onRestoreInstanceState(Parcelable state) {
if (state == null || !state.getClass().equals(SavedState.class)) {
// Didn't save state for us in onSaveInstanceState
super.onRestoreInstanceState(state);
return;
}
SavedState myState = (SavedState) state;
super.onRestoreInstanceState(myState.getSuperState());
setValue(myState.value);
}
private static class SavedState extends BaseSavedState {
String value;
public SavedState(Parcel source) {
super(source);
value = source.readString();
}
@Override
public void writeToParcel(Parcel dest, int flags) {
super.writeToParcel(dest, flags);
dest.writeString(value);
}
public SavedState(Parcelable superState) {
super(superState);
}
@SuppressWarnings("unused")
public static final Parcelable.Creator<SavedState> CREATOR =
new Parcelable.Creator<SavedState>() {
public SavedState createFromParcel(Parcel in) {
return new SavedState(in);
}
public SavedState[] newArray(int size) {
return new SavedState[size];
}
};
}
// Class to hold the text and icon res id in the adapter
private class AdapterItems {
public CharSequence text;
public int iconRes;
public AdapterItems(CharSequence _text, int _iconRes) {
text = _text;
iconRes = _iconRes;
}
}
// View holder to references to the views
private static class ViewHolder {
CheckedTextView text;
ImageView icon;
}
// Custom ArrayAdapter that inflates a custom view that has both text and an icon
public class NotificationIconAdapter extends ArrayAdapter<AdapterItems> {
private Context context;
private int selected;
private int viewResId;
public NotificationIconAdapter(Context _context, int _viewResId, AdapterItems[] objects,
int _selected) {
super(_context, _viewResId, objects);
context = _context;
viewResId = _viewResId;
selected = _selected;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder;
// See if layout has already been inflated
if (convertView == null) {
// Inflate layout
LayoutInflater inflater =
(LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = inflater.inflate(viewResId, null);
// Locate views and store in view holder
holder = new ViewHolder();
holder.text = (CheckedTextView) convertView.findViewById(android.R.id.text1);
holder.icon = (ImageView) convertView.findViewById(android.R.id.icon);
// Store in tag
convertView.setTag(holder);
} else {
// Otherwise layout has already been inflated, get views from view holder
holder = (ViewHolder) convertView.getTag();
}
// Set text and icon
holder.text.setText(getItem(position).text);
holder.icon.setImageResource(getItem(position).iconRes);
// Set selected item
if (position == selected) {
holder.text.setChecked(true);
} else {
holder.text.setChecked(false);
}
return convertView;
}
}
}