package org.holoeverywhere.preference; import org.holoeverywhere.LayoutInflater; import org.holoeverywhere.app.AlertDialog; import android.app.Dialog; import android.content.Context; import android.content.DialogInterface; import android.content.res.TypedArray; import android.graphics.drawable.Drawable; import android.os.Bundle; import android.os.Parcel; import android.os.Parcelable; import android.text.TextUtils; import android.util.AttributeSet; import android.view.View; import android.view.Window; import android.view.WindowManager; import android.view.inputmethod.InputMethodManager; import android.widget.TextView; public abstract class DialogPreference extends Preference implements DialogInterface.OnClickListener, DialogInterface.OnDismissListener, PreferenceManager.OnActivityDestroyListener { 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 AlertDialog.Builder mBuilder; private Dialog mDialog; private Drawable mDialogIcon; private int mDialogLayoutResId; private CharSequence mDialogMessage; private CharSequence mDialogTitle; private InputMethodManager mInputMethodManager; private CharSequence mNegativeButtonText; private CharSequence mPositiveButtonText; private int mWhichButtonClicked; public DialogPreference(Context context) { this(context, null); } public DialogPreference(Context context, AttributeSet attrs) { this(context, attrs, R.attr.dialogPreferenceStyle); } public DialogPreference(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); context = getContext(); TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.DialogPreference, defStyle, R.style.Holo_PreferenceDialog); mDialogTitle = a.getString(R.styleable.DialogPreference_dialogTitle); if (mDialogTitle == null) { mDialogTitle = getTitle(); } mDialogMessage = a .getString(R.styleable.DialogPreference_dialogMessage); mDialogIcon = a.getDrawable(R.styleable.DialogPreference_dialogIcon); mPositiveButtonText = a .getString(R.styleable.DialogPreference_positiveButtonText); mNegativeButtonText = a .getString(R.styleable.DialogPreference_negativeButtonText); mDialogLayoutResId = a.getResourceId( R.styleable.DialogPreference_dialogLayout, mDialogLayoutResId); a.recycle(); } public Dialog getDialog() { return mDialog; } public Drawable getDialogIcon() { return mDialogIcon; } public int getDialogLayoutResource() { return mDialogLayoutResId; } public CharSequence getDialogMessage() { return mDialogMessage; } public CharSequence getDialogTitle() { return mDialogTitle; } public CharSequence getNegativeButtonText() { return mNegativeButtonText; } public CharSequence getPositiveButtonText() { return mPositiveButtonText; } protected boolean needInputMethod() { return false; } @Override public void onActivityDestroy() { if (mDialog == null || !mDialog.isShowing()) { return; } mDialog.dismiss(); } protected void onBindDialogView(View view) { View dialogMessageView = view.findViewById(R.id.message); if (dialogMessageView != null) { final CharSequence message = getDialogMessage(); int newVisibility = View.GONE; if (!TextUtils.isEmpty(message)) { if (dialogMessageView instanceof TextView) { ((TextView) dialogMessageView).setText(message); } newVisibility = View.VISIBLE; } if (dialogMessageView.getVisibility() != newVisibility) { dialogMessageView.setVisibility(newVisibility); } } } @Override protected void onClick() { if (mDialog != null && mDialog.isShowing()) { return; } showDialog(null); } @Override public void onClick(DialogInterface dialog, int which) { mWhichButtonClicked = which; } protected Dialog onCreateDialog(Context context) { mBuilder = new AlertDialog.Builder(context); mBuilder.setTitle(mDialogTitle); mBuilder.setIcon(mDialogIcon); mBuilder.setPositiveButton(mPositiveButtonText, this); mBuilder.setNegativeButton(mNegativeButtonText, this); View contentView = onCreateDialogView(context); if (contentView != null) { onBindDialogView(contentView); mBuilder.setView(contentView); } else { mBuilder.setMessage(mDialogMessage); } onPrepareDialogBuilder(mBuilder); return mBuilder.create(); } /** * Use {@link #onCreateDialogView(Context)} instead */ @Deprecated protected View onCreateDialogView() { return null; } protected View onCreateDialogView(Context context) { final View view = onCreateDialogView(); if (view != null) { return view; } if (mDialogLayoutResId == 0) { return null; } return LayoutInflater.inflate(context, mDialogLayoutResId); } protected void onDialogClosed(boolean positiveResult) { } @Override public void onDismiss(DialogInterface dialog) { if (mInputMethodManager == null) { mInputMethodManager = (InputMethodManager) getContext().getSystemService( Context.INPUT_METHOD_SERVICE); } if (mDialog != null && mInputMethodManager.isActive()) { mInputMethodManager.hideSoftInputFromWindow(mDialog.getWindow().getDecorView() .getApplicationWindowToken(), InputMethodManager.HIDE_IMPLICIT_ONLY); } getPreferenceManager().unregisterOnActivityDestroyListener(this); mDialog = null; onDialogClosed(mWhichButtonClicked == DialogInterface.BUTTON_POSITIVE); } protected void onPrepareDialogBuilder(AlertDialog.Builder builder) { } @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(); if (mDialog == null || !mDialog.isShowing()) { return superState; } final SavedState myState = new SavedState(superState); myState.isDialogShowing = true; myState.dialogBundle = mDialog.onSaveInstanceState(); return myState; } private void requestInputMethod(Dialog dialog) { Window window = dialog.getWindow(); window.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE); } public void setDialogIcon(Drawable dialogIcon) { mDialogIcon = dialogIcon; } public void setDialogIcon(int dialogIconRes) { mDialogIcon = getContext().getResources().getDrawable(dialogIconRes); } public void setDialogLayoutResource(int dialogLayoutResId) { mDialogLayoutResId = dialogLayoutResId; } public void setDialogMessage(CharSequence dialogMessage) { mDialogMessage = dialogMessage; } public void setDialogMessage(int dialogMessageResId) { setDialogMessage(getContext().getString(dialogMessageResId)); } public void setDialogTitle(CharSequence dialogTitle) { mDialogTitle = dialogTitle; } public void setDialogTitle(int dialogTitleResId) { setDialogTitle(getContext().getString(dialogTitleResId)); } public void setNegativeButtonText(CharSequence negativeButtonText) { mNegativeButtonText = negativeButtonText; } public void setNegativeButtonText(int negativeButtonTextResId) { setNegativeButtonText(getContext().getString(negativeButtonTextResId)); } public void setPositiveButtonText(CharSequence positiveButtonText) { mPositiveButtonText = positiveButtonText; } public void setPositiveButtonText(int positiveButtonTextResId) { setPositiveButtonText(getContext().getString(positiveButtonTextResId)); } protected void showDialog(Bundle state) { mWhichButtonClicked = DialogInterface.BUTTON_NEGATIVE; mDialog = onCreateDialog(getContext()); getPreferenceManager().registerOnActivityDestroyListener(this); if (state != null) { mDialog.onRestoreInstanceState(state); } if (needInputMethod()) { requestInputMethod(mDialog); } mDialog.setOnDismissListener(this); mDialog.show(); } }