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/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.calendar;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.widget.Button;
/**
* A helper class for editing the response to an invitation when the invitation
* is a repeating event.
*/
public class EditResponseHelper implements DialogInterface.OnClickListener {
private final Activity mParent;
private int mWhichEvents = -1;
private AlertDialog mAlertDialog;
/**
* This callback is passed in to this object when this object is created
* and is invoked when the "Ok" button is selected.
*/
private DialogInterface.OnClickListener mDialogListener;
public EditResponseHelper(Activity parent) {
mParent = parent;
}
public void setOnClickListener(DialogInterface.OnClickListener listener) {
mDialogListener = listener;
}
public int getWhichEvents() {
return mWhichEvents;
}
public void onClick(DialogInterface dialog, int which) {
}
/**
* This callback is used when a list item is selected
*/
private DialogInterface.OnClickListener mListListener =
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
mWhichEvents = which;
// Enable the "ok" button now that the user has selected which
// events in the series to delete.
Button ok = mAlertDialog.getButton(DialogInterface.BUTTON_POSITIVE);
ok.setEnabled(true);
}
};
public void showDialog(int whichEvents) {
// We need to have a non-null listener, otherwise we get null when
// we try to fetch the "Ok" button.
if (mDialogListener == null) {
mDialogListener = this;
}
AlertDialog dialog = new AlertDialog.Builder(mParent)
.setTitle(R.string.change_response_title)
.setIcon(android.R.drawable.ic_dialog_alert)
.setSingleChoiceItems(R.array.change_response_labels, whichEvents,
mListListener)
.setPositiveButton(android.R.string.ok, mDialogListener)
.setNegativeButton(android.R.string.cancel, null)
.show();
mAlertDialog = dialog;
if (whichEvents == -1) {
// Disable the "Ok" button until the user selects which events to
// delete.
Button ok = dialog.getButton(DialogInterface.BUTTON_POSITIVE);
ok.setEnabled(false);
}
}
}
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