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Code Issues Packages Projects Releases Wiki Activity

Update flexible adapter. Show fast scroller in chapters screen

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inorichi
2017-11-02 16:58:32 +01:00
parent 6b1a3a20e5
commit 5c4139be45
36 changed files with 156 additions and 479 deletions
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app/src/main/java/eu/kanade/tachiyomi/widget/UndoHelper.java
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@@ -1,281 +0,0 @@
/*
* Copyright 2016 Davide Steduto
*
* 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 eu.kanade.tachiyomi.widget;
import android.content.Context;
import android.graphics.Color;
import android.support.annotation.ColorInt;
import android.support.annotation.IntDef;
import android.support.annotation.IntRange;
import android.support.annotation.NonNull;
import android.support.annotation.StringRes;
import android.support.design.widget.Snackbar;
import android.view.View;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.List;
import eu.davidea.flexibleadapter.FlexibleAdapter;
/**
* Helper to simplify the Undo operation with FlexibleAdapter.
*
* @author Davide Steduto
* @since 30/04/2016
*/
@SuppressWarnings("WeakerAccess")
public class UndoHelper extends Snackbar.Callback {
/**
* Default undo-timeout of 5''.
*/
public static final int UNDO_TIMEOUT = 5000;
/**
* Indicates that the Confirmation Listener (Undo and Delete) will perform a deletion.
*/
public static final int ACTION_REMOVE = 0;
/**
* Indicates that the Confirmation Listener (Undo and Delete) will perform an update.
*/
public static final int ACTION_UPDATE = 1;
/**
* Annotation interface for Undo actions.
*/
@IntDef({ACTION_REMOVE, ACTION_UPDATE})
@Retention(RetentionPolicy.SOURCE)
public @interface Action {
}
@Action
private int mAction = ACTION_REMOVE;
private List<Integer> mPositions = null;
private Object mPayload = null;
private FlexibleAdapter mAdapter;
private Snackbar mSnackbar = null;
private OnActionListener mActionListener;
private OnUndoListener mUndoListener;
private @ColorInt int mActionTextColor = Color.TRANSPARENT;
/**
* Default constructor.
* <p>By calling this constructor, {@link FlexibleAdapter#setPermanentDelete(boolean)}
* is set {@code false} automatically.
*
* @param adapter the instance of {@code FlexibleAdapter}
* @param undoListener the callback for the Undo and Delete confirmation
*/
public UndoHelper(FlexibleAdapter adapter, OnUndoListener undoListener) {
this.mAdapter = adapter;
this.mUndoListener = undoListener;
adapter.setPermanentDelete(false);
}
/**
* Sets the payload to inform other linked items about the change in action.
*
* @param payload any non-null user object to notify the parent (the payload will be
* therefore passed to the bind method of the parent ViewHolder),
* pass null to <u>not</u> notify the parent
* @return this object, so it can be chained
*/
public UndoHelper withPayload(Object payload) {
this.mPayload = payload;
return this;
}
/**
* By default {@link UndoHelper#ACTION_REMOVE} is performed.
*
* @param action the action, one of {@link UndoHelper#ACTION_REMOVE}, {@link UndoHelper#ACTION_UPDATE}
* @param actionListener the listener for the custom action to perform before the deletion
* @return this object, so it can be chained
*/
public UndoHelper withAction(@Action int action, @NonNull OnActionListener actionListener) {
this.mAction = action;
this.mActionListener = actionListener;
return this;
}
/**
* Sets the text color of the action.
*
* @param color the color for the action button
* @return this object, so it can be chained
*/
public UndoHelper withActionTextColor(@ColorInt int color) {
this.mActionTextColor = color;
return this;
}
/**
* As {@link #remove(List, View, CharSequence, CharSequence, int)} but with String
* resources instead of CharSequence.
*/
public void remove(List<Integer> positions, @NonNull View mainView,
@StringRes int messageStringResId, @StringRes int actionStringResId,
@IntRange(from = -1) int undoTime) {
Context context = mainView.getContext();
remove(positions, mainView, context.getString(messageStringResId),
context.getString(actionStringResId), undoTime);
}
/**
* Performs the action on the specified positions and displays a SnackBar to Undo
* the operation. To customize the UPDATE event, please set a custom listener with
* {@link #withAction(int, OnActionListener)} method.
* <p>By default the DELETE action will be performed.</p>
*
* @param positions the position to delete or update
* @param mainView the view to find a parent from
* @param message the text to show. Can be formatted text
* @param actionText the action text to display
* @param undoTime How long to display the message. Either {@link Snackbar#LENGTH_SHORT} or
* {@link Snackbar#LENGTH_LONG} or any custom Integer.
* @see #remove(List, View, int, int, int)
*/
@SuppressWarnings("WrongConstant")
public void remove(List<Integer> positions, @NonNull View mainView,
CharSequence message, CharSequence actionText,
@IntRange(from = -1) int undoTime) {
this.mPositions = positions;
Snackbar snackbar;
if (!mAdapter.isPermanentDelete()) {
snackbar = Snackbar.make(mainView, message, undoTime > 0 ? undoTime + 400 : undoTime)
.setAction(actionText, new View.OnClickListener() {
@Override
public void onClick(View v) {
if (mUndoListener != null)
mUndoListener.onUndoConfirmed(mAction);
}
});
} else {
snackbar = Snackbar.make(mainView, message, undoTime);
}
if (mActionTextColor != Color.TRANSPARENT) {
snackbar.setActionTextColor(mActionTextColor);
}
mSnackbar = snackbar;
snackbar.addCallback(this);
snackbar.show();
}
public void dismissNow() {
if (mSnackbar != null) {
mSnackbar.removeCallback(this);
mSnackbar.dismiss();
onDismissed(mSnackbar, Snackbar.Callback.DISMISS_EVENT_MANUAL);
}
}
/**
* {@inheritDoc}
*/
@Override
public void onDismissed(Snackbar snackbar, int event) {
if (mAdapter.isPermanentDelete()) return;
switch (event) {
case DISMISS_EVENT_SWIPE:
case DISMISS_EVENT_MANUAL:
case DISMISS_EVENT_TIMEOUT:
if (mUndoListener != null)
mUndoListener.onDeleteConfirmed(mAction);
mAdapter.emptyBin();
mSnackbar = null;
case DISMISS_EVENT_CONSECUTIVE:
case DISMISS_EVENT_ACTION:
default:
break;
}
}
/**
* {@inheritDoc}
*/
@Override
public void onShown(Snackbar snackbar) {
boolean consumed = false;
// Perform the action before deletion
if (mActionListener != null) consumed = mActionListener.onPreAction();
// Remove selected items from Adapter list after SnackBar is shown
if (!consumed) mAdapter.removeItems(mPositions, mPayload);
// Perform the action after the deletion
if (mActionListener != null) mActionListener.onPostAction();
// Here, we can notify the callback only in case of permanent deletion
if (mAdapter.isPermanentDelete() && mUndoListener != null)
mUndoListener.onDeleteConfirmed(mAction);
}
/**
* Basic implementation of {@link OnActionListener} interface.
* <p>Override the methods as your convenience.</p>
*/
public static class SimpleActionListener implements OnActionListener {
@Override
public boolean onPreAction() {
return false;
}
@Override
public void onPostAction() {
}
}
public interface OnActionListener {
/**
* Performs the custom action before item deletion.
*
* @return true if action has been consumed and should stop the deletion, false to
* continue with the deletion
*/
boolean onPreAction();
/**
* Performs custom action After items deletion. Useful to finish the action mode and perform
* secondary custom actions.
*/
void onPostAction();
}
/**
* @since 30/04/2016
*/
public interface OnUndoListener {
/**
* Called when Undo event is triggered. Perform custom action after restoration.
* <p>Usually for a delete restoration you should call
* {@link FlexibleAdapter#restoreDeletedItems()}.</p>
*
* @param action one of {@link UndoHelper#ACTION_REMOVE}, {@link UndoHelper#ACTION_UPDATE}
*/
void onUndoConfirmed(int action);
/**
* Called when Undo timeout is over and action must be committed in the user Database.
* <p>Due to Java Generic, it's too complicated and not well manageable if we pass the
* List&lt;T&gt; object.<br/>
* So, to get deleted items, use {@link FlexibleAdapter#getDeletedItems()} from the
* implementation of this method.</p>
*
* @param action one of {@link UndoHelper#ACTION_REMOVE}, {@link UndoHelper#ACTION_UPDATE}
*/
void onDeleteConfirmed(int action);
}
}