package com.oreilly.android.taskmanager;
import com.oreilly.android.taskmanager.tasks.Task;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
public class AddTaskActivity extends TaskManagerActivity {
private EditText taskNameEditText;
private Button addButton;
private Button cancelButton;
private boolean changesPending;
private AlertDialog unsavedChangesDialog;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.add_task);
setUpViews();
}
protected void addTask() {
String taskName = taskNameEditText.getText().toString();
Task t = new Task(taskName);
getStuffApplication().addTask(t);
finish();
}
protected void cancel() {
if (changesPending) {
unsavedChangesDialog = new AlertDialog.Builder(this)
.setTitle(R.string.unsaved_changes_title)
.setMessage(R.string.unsaved_changes_message)
.setPositiveButton(R.string.add_task, new AlertDialog.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
addTask();
}
})
.setNeutralButton(R.string.discard, new AlertDialog.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
finish();
}
})
.setNegativeButton(android.R.string.cancel, new AlertDialog.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
unsavedChangesDialog.cancel();
}
})
.create();
unsavedChangesDialog.show();
} else {
finish();
}
}
private void setUpViews() {
taskNameEditText = (EditText)findViewById(R.id.task_name);
addButton = (Button)findViewById(R.id.add_button);
cancelButton = (Button)findViewById(R.id.cancel_button);
addButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
addTask();
}
});
cancelButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
cancel();
}
});
taskNameEditText.addTextChangedListener(new TextWatcher() {
public void onTextChanged(CharSequence s, int start, int before, int count) {
changesPending = true;
}
public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
public void afterTextChanged(Editable s) { }
});
}
}