-
-
Save knaeckeKami/6447136 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
/* | |
* Copyright 2012 Roman Nurik | |
* | |
* 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. | |
*/ | |
/** | |
* This file was modified! Genercis were added, incompatible "undo-tokens" are now noticed by the compiler, so no | |
* ClassCastException at runtime is possible | |
*/ | |
package at.allaboutapps.krebshilfe.util; | |
import static com.nineoldandroids.view.ViewHelper.setAlpha; | |
import static com.nineoldandroids.view.ViewPropertyAnimator.animate; | |
import java.io.Serializable; | |
import android.os.Bundle; | |
import android.os.Handler; | |
import android.text.TextUtils; | |
import android.view.View; | |
import android.widget.TextView; | |
import at.allaboutapps.krebshilfe.R; | |
import com.nineoldandroids.animation.Animator; | |
import com.nineoldandroids.animation.AnimatorListenerAdapter; | |
import com.nineoldandroids.view.ViewPropertyAnimator; | |
public class UndoBarController<UndoToken extends Serializable> { | |
private View mBarView; | |
private TextView mMessageView; | |
private ViewPropertyAnimator mBarAnimator; | |
private Handler mHideHandler = new Handler(); | |
private UndoListener<UndoToken> mUndoListener; | |
// State objects | |
private UndoToken mUndoToken; | |
private CharSequence mUndoMessage; | |
public interface UndoListener<UndoToken extends Serializable> { | |
void onUndo(UndoToken token); | |
} | |
public UndoBarController(View undoBarView, UndoListener<UndoToken> undoListener) { | |
mBarView = undoBarView; | |
mBarAnimator = animate(mBarView); | |
mUndoListener = undoListener; | |
mMessageView = (TextView) mBarView.findViewById(R.id.undobar_message); | |
mBarView.findViewById(R.id.undobar_button).setOnClickListener(new View.OnClickListener() { | |
public void onClick(View view) { | |
hideUndoBar(false); | |
mUndoListener.onUndo(mUndoToken); | |
} | |
}); | |
hideUndoBar(true); | |
} | |
public void showUndoBar(boolean immediate, CharSequence message, UndoToken undoToken) { | |
mUndoToken = undoToken; | |
mUndoMessage = message; | |
mMessageView.setText(mUndoMessage); | |
mHideHandler.removeCallbacks(mHideRunnable); | |
mHideHandler.postDelayed(mHideRunnable, 5000); | |
mBarView.setVisibility(View.VISIBLE); | |
if (immediate) { | |
mBarView.setAlpha(1); | |
} else { | |
mBarAnimator.cancel(); | |
mBarAnimator.alpha(1) | |
.setDuration(mBarView.getResources().getInteger(android.R.integer.config_shortAnimTime)) | |
.setListener(null); | |
} | |
} | |
public void hideUndoBar(boolean immediate) { | |
mHideHandler.removeCallbacks(mHideRunnable); | |
if (immediate) { | |
mBarView.setVisibility(View.GONE); | |
setAlpha(mBarView, 0); | |
mUndoMessage = null; | |
mUndoToken = null; | |
} else { | |
mBarAnimator.cancel(); | |
mBarAnimator.alpha(0) | |
.setDuration(mBarView.getResources().getInteger(android.R.integer.config_shortAnimTime)) | |
.setListener(new AnimatorListenerAdapter() { | |
@Override | |
public void onAnimationEnd(Animator animation) { | |
mBarView.setVisibility(View.GONE); | |
mUndoMessage = null; | |
mUndoToken = null; | |
} | |
}); | |
} | |
} | |
public void onSaveInstanceState(Bundle outState) { | |
outState.putCharSequence("undo_message", mUndoMessage); | |
outState.putSerializable("undo_token", mUndoToken); | |
} | |
public void onRestoreInstanceState(Bundle savedInstanceState) { | |
if (savedInstanceState != null) { | |
mUndoMessage = savedInstanceState.getCharSequence("undo_message"); | |
mUndoToken = (UndoToken) savedInstanceState.getSerializable("undo_token"); | |
if (mUndoToken != null || !TextUtils.isEmpty(mUndoMessage)) { | |
showUndoBar(false, mUndoMessage, mUndoToken); | |
} | |
} | |
} | |
private Runnable mHideRunnable = new Runnable() { | |
public void run() { | |
hideUndoBar(false); | |
} | |
}; | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment