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/*
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* Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
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*
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* This file is part of Loop Habit Tracker.
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*
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* Loop Habit Tracker is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* Loop Habit Tracker is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.isoron.uhabits.ui.habits.list;
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import android.content.Context;
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import android.support.annotation.Nullable;
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import android.util.AttributeSet;
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import android.view.HapticFeedbackConstants;
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import android.view.View;
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import android.widget.AdapterView;
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import com.mobeta.android.dslv.DragSortController;
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import com.mobeta.android.dslv.DragSortListView;
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import org.isoron.uhabits.R;
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import org.isoron.uhabits.models.Habit;
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import org.isoron.uhabits.utils.Preferences;
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import java.util.Date;
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import java.util.LinkedList;
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import java.util.List;
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public class HabitListView extends DragSortListView implements View.OnClickListener,
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View.OnLongClickListener, DragSortListView.DropListener, AdapterView.OnItemClickListener,
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AdapterView.OnItemLongClickListener, DragSortListView.DragListener, HabitListLoader.Listener
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{
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private final HabitListLoader loader;
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private final HabitListAdapter adapter;
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private final ListHabitsHelper helper;
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private final Preferences prefs;
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private final List<Integer> selectedPositions;
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@Nullable
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private Listener listener;
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private long lastLongClick;
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private boolean showArchived;
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public HabitListView(Context context, AttributeSet attrs)
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{
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super(context, attrs);
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loader = new HabitListLoader();
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adapter = new HabitListAdapter(context, loader);
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selectedPositions = new LinkedList<>();
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prefs = Preferences.getInstance();
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helper = new ListHabitsHelper(getContext(), loader);
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adapter.setSelectedPositions(selectedPositions);
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adapter.setOnCheckmarkClickListener(this);
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adapter.setOnCheckmarkLongClickListener(this);
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loader.setListener(this);
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loader.setCheckmarkCount(helper.getButtonCount());
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setAdapter(adapter);
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setOnItemClickListener(this);
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setOnItemLongClickListener(this);
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setDropListener(this);
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setDragListener(this);
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setFloatViewManager(new HabitsDragSortController());
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setDragEnabled(false);
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setLongClickable(true);
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}
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public HabitListLoader getLoader()
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{
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return loader;
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}
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public List<Integer> getSelectedPositions()
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{
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return selectedPositions;
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}
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public void setListener(@Nullable Listener l)
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{
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this.listener = l;
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}
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@Override
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public void drop(int from, int to)
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{
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if(from == to) return;
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cancelSelection();
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loader.reorder(from, to);
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adapter.notifyDataSetChanged();
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loader.updateAllHabits(false);
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}
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@Override
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public void onClick(View v)
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{
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if (v.getId() != R.id.tvCheck) return;
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if (prefs.isShortToggleEnabled()) toggleCheckmark(v);
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else if(listener != null) listener.onInvalidToggle();
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}
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@Override
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public boolean onLongClick(View v)
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{
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lastLongClick = new Date().getTime();
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if (v.getId() != R.id.tvCheck) return true;
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if (prefs.isShortToggleEnabled()) return true;
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toggleCheckmark(v);
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return true;
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}
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public void toggleShowArchived()
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{
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showArchived = !showArchived;
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loader.setIncludeArchived(showArchived);
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loader.updateAllHabits(true);
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}
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private void toggleCheckmark(View v)
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{
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Long id = helper.getHabitIdFromCheckmarkView(v);
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Habit habit = loader.habits.get(id);
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if(habit == null) return;
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float x = v.getX() + v.getWidth() / 2.0f + ((View) v.getParent()).getX();
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float y = v.getY() + v.getHeight() / 2.0f + ((View) v.getParent()).getY();
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helper.triggerRipple((View) v.getParent().getParent(), x, y);
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performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
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helper.toggleCheckmarkView(v, habit);
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long timestamp = helper.getTimestampFromCheckmarkView(v);
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if(listener != null) listener.onToggleCheckmark(habit, timestamp);
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}
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@Override
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public void onItemClick(AdapterView<?> parent, View view, int position, long id)
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{
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if (new Date().getTime() - lastLongClick < 1000) return;
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if(selectedPositions.isEmpty())
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{
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Habit habit = loader.habitsList.get(position);
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if(listener != null) listener.onHabitClick(habit);
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}
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else
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{
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toggleItemSelected(position);
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adapter.notifyDataSetChanged();
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}
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}
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private void toggleItemSelected(int position)
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{
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int k = selectedPositions.indexOf(position);
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if(k < 0) selectedPositions.add(position);
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else selectedPositions.remove(k);
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if(listener != null)
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{
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if (selectedPositions.isEmpty()) listener.onHabitSelectionFinish();
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else listener.onHabitSelectionChange();
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}
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}
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@Override
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public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id)
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{
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selectHabit(position);
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return true;
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}
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private void selectHabit(int position)
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{
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if(!selectedPositions.contains(position)) selectedPositions.add(position);
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adapter.notifyDataSetChanged();
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if(listener != null)
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{
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if (selectedPositions.size() == 1) listener.onHabitSelectionStart();
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else listener.onHabitSelectionChange();
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}
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}
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@Override
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public void drag(int from, int to)
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{
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}
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@Override
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public void startDrag(int position)
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{
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selectHabit(position);
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}
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public boolean getShowArchived()
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{
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return showArchived;
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}
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public void cancelSelection()
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{
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selectedPositions.clear();
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adapter.notifyDataSetChanged();
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setDragEnabled(true);
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if(listener != null) listener.onHabitSelectionFinish();
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}
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public void refreshData(Long refreshKey)
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{
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if (refreshKey == null) loader.updateAllHabits(true);
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else loader.updateHabit(refreshKey);
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}
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@Override
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public void onLoadFinished()
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{
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adapter.notifyDataSetChanged();
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if(listener != null) listener.onDatasetChanged();
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}
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private class HabitsDragSortController extends DragSortController
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{
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public HabitsDragSortController()
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{
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super(HabitListView.this);
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setRemoveEnabled(false);
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}
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@Override
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public View onCreateFloatView(int position)
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{
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return adapter.getView(position, null, null);
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}
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@Override
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public void onDestroyFloatView(View floatView)
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{
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}
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}
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public interface Listener
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{
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void onToggleCheckmark(Habit habit, long timestamp);
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void onHabitClick(Habit habit);
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void onHabitSelectionStart();
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void onHabitSelectionFinish();
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void onHabitSelectionChange();
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void onInvalidToggle();
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void onDatasetChanged();
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}
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}
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