org.holoeverywhere.preference.PreferenceScreen Maven / Gradle / Ivy
package org.holoeverywhere.preference;
import java.lang.reflect.Method;
import org.holoeverywhere.LayoutInflater;
import org.holoeverywhere.R;
import org.holoeverywhere.app.Activity;
import org.holoeverywhere.app.Dialog;
import org.holoeverywhere.widget.ListView;
import android.annotation.SuppressLint;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Build.VERSION;
import android.os.Bundle;
import android.os.Parcel;
import android.os.Parcelable;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import android.view.Window;
import android.widget.AdapterView;
import android.widget.FrameLayout;
import android.widget.ListAdapter;
import com.actionbarsherlock.app.ActionBar;
import com.actionbarsherlock.internal.view.menu.MenuItemWrapper;
import com.actionbarsherlock.internal.widget.ActionBarView;
import com.actionbarsherlock.view.MenuItem;
import com.actionbarsherlock.view.Window.Callback;
public final class PreferenceScreen extends PreferenceGroup implements
AdapterView.OnItemClickListener, DialogInterface.OnDismissListener {
private final class PreferenceDialog extends Dialog implements Callback {
public PreferenceDialog(int theme) {
super(PreferenceScreen.this.getContext(), theme);
}
@Override
public void onAttachedToWindow() {
super.onAttachedToWindow();
prepareActionBar();
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
prepareActionBar();
}
@Override
public boolean onMenuItemSelected(int featureId, android.view.MenuItem item) {
return onMenuItemSelected(featureId, new MenuItemWrapper(item));
}
@Override
public boolean onMenuItemSelected(int featureId, MenuItem item) {
if (featureId == Window.FEATURE_OPTIONS_PANEL && item.getItemId() == android.R.id.home
&& mDialog != null) {
mDialog.dismiss();
return true;
}
return false;
}
protected void onPrepareActionBar(ActionBarView actionBarView) {
if (actionBarView == null) {
return;
}
actionBarView.setWindowCallback(mDialog);
actionBarView.setDisplayOptions(ActionBar.DISPLAY_HOME_AS_UP
| actionBarView.getDisplayOptions()
& ~ActionBar.DISPLAY_HOME_AS_UP);
}
@SuppressLint("NewApi")
protected void onPrepareActionBar(android.app.ActionBar actionBar) {
if (actionBar == null) {
return;
}
actionBar.setDisplayHomeAsUpEnabled(true);
}
@SuppressLint("NewApi")
private void prepareActionBar() {
if (VERSION.SDK_INT >= 11) {
onPrepareActionBar(getActionBar());
} else {
onPrepareActionBar((ActionBarView) findViewById(R.id.abs__action_bar));
}
}
@Override
public void setContentView(View view) {
if (VERSION.SDK_INT >= 11) {
super.setContentView(view);
} else {
FrameLayout content = (FrameLayout) findViewById(R.id.abs__content);
if (content == null) {
View container = getLayoutInflater().inflate(R.layout.abs__screen_action_bar);
content = (FrameLayout) container.findViewById(R.id.abs__content);
super.setContentView(container);
}
content.removeAllViews();
content.addView(view);
}
}
@Override
public void setTitle(CharSequence title) {
super.setTitle(title);
if (VERSION.SDK_INT < 11) {
((ActionBarView) findViewById(R.id.abs__action_bar)).setTitle(title);
}
}
@Override
public void setTitle(int titleId) {
setTitle(getContext().getText(titleId));
}
}
private static class SavedState extends BaseSavedState {
Bundle dialogBundle;
boolean isDialogShowing;
public SavedState(Parcel source) {
super(source);
isDialogShowing = source.readInt() == 1;
dialogBundle = source.readBundle();
}
public SavedState(Parcelable superState) {
super(superState);
}
@Override
public void writeToParcel(Parcel dest, int flags) {
super.writeToParcel(dest, flags);
dest.writeInt(isDialogShowing ? 1 : 0);
dest.writeBundle(dialogBundle);
}
}
private PreferenceDialog mDialog;
private ListView mListView;
private ListAdapter mRootAdapter;
private final String TAG = getClass().getSimpleName();
public PreferenceScreen(Context context, AttributeSet attrs) {
super(context, attrs, R.attr.preferenceScreenStyle);
}
public void bind(ListView listView) {
listView.setOnItemClickListener(this);
listView.setAdapter(getRootAdapter());
onAttachedToActivity();
}
public Dialog getDialog() {
return mDialog;
}
public ListAdapter getRootAdapter() {
if (mRootAdapter == null) {
mRootAdapter = onCreateRootAdapter();
}
return mRootAdapter;
}
protected int getThemeResId(Context context) {
try {
if (context instanceof Activity) {
int t = ((Activity) context).getLastThemeResourceId();
if (t > 0) {
return t;
}
}
Class clazz = context.getClass();
while (clazz != Context.class) {
clazz = clazz.getSuperclass();
}
Method method = clazz.getDeclaredMethod("getThemeResId");
method.setAccessible(true);
return (Integer) method.invoke(context);
} catch (Exception e) {
Log.e(TAG, "Failed getting context theme", e);
return R.style.Holo_Theme_NoActionBar;
}
}
@Override
protected boolean isOnSameScreenAsChildren() {
return false;
}
@Override
protected void onClick() {
if (getIntent() != null || getFragment() != null
|| getPreferenceCount() == 0) {
return;
}
showDialog(null);
}
protected ListAdapter onCreateRootAdapter() {
return new PreferenceGroupAdapter(this);
}
@Override
public void onDismiss(DialogInterface dialog) {
mDialog = null;
getPreferenceManager().removePreferencesScreen(dialog);
}
@Override
public void onItemClick(AdapterView parent, View view, int position,
long id) {
if (parent instanceof ListView) {
position -= ((ListView) parent).getHeaderViewsCount();
}
Object item = getRootAdapter().getItem(position);
if (!(item instanceof Preference)) {
return;
}
final Preference preference = (Preference) item;
preference.performClick(this);
}
@Override
protected void onRestoreInstanceState(Parcelable state) {
if (state == null || !state.getClass().equals(SavedState.class)) {
super.onRestoreInstanceState(state);
return;
}
SavedState myState = (SavedState) state;
super.onRestoreInstanceState(myState.getSuperState());
if (myState.isDialogShowing) {
showDialog(myState.dialogBundle);
}
}
@Override
protected Parcelable onSaveInstanceState() {
final Parcelable superState = super.onSaveInstanceState();
final Dialog dialog = mDialog;
if (dialog == null || !dialog.isShowing()) {
return superState;
}
final SavedState myState = new SavedState(superState);
myState.isDialogShowing = true;
myState.dialogBundle = dialog.onSaveInstanceState();
return myState;
}
@SuppressLint("NewApi")
private void showDialog(Bundle state) {
Context context = getContext();
if (mListView != null) {
mListView.setAdapter(null);
}
final int theme = getThemeResId(context);
LayoutInflater inflater = LayoutInflater.from(context);
View childPrefScreen = inflater.inflate(
R.layout.preference_list_fragment, null);
mListView = (ListView) childPrefScreen.findViewById(android.R.id.list);
bind(mListView);
final CharSequence title = getTitle();
final boolean titleEmpty = TextUtils.isEmpty(title);
Dialog dialog = mDialog = new PreferenceDialog(theme);
if (titleEmpty) {
dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
} else {
if (VERSION.SDK_INT >= 11) {
dialog.requestWindowFeature(Window.FEATURE_ACTION_BAR);
}
dialog.setContentView(childPrefScreen);
dialog.setTitle(title);
}
dialog.setOnDismissListener(this);
if (state != null) {
dialog.onRestoreInstanceState(state);
}
getPreferenceManager().addPreferencesScreen(dialog);
dialog.show();
}
}