DayPickerView.java

/***********************************************************************************
 * The MIT License (MIT)

 * Copyright (c) 2014 Robin Chutaux

 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:

 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 ***********************************************************************************/
package com.marshalchen.common.uimodule.calendarlistview;

import android.content.Context;
import android.content.res.TypedArray;
import android.util.AttributeSet;
import android.widget.AbsListView;
import android.widget.ListView;
import com.marshalchen.common.uimodule.R;

public class DayPickerView extends ListView implements AbsListView.OnScrollListener
{
    protected Context mContext;
	protected SimpleMonthAdapter mAdapter;
	private DatePickerController mController;
    protected int mCurrentScrollState = 0;
	private boolean mPerformingScroll;
	protected long mPreviousScrollPosition;
	protected int mPreviousScrollState = 0;
    final TypedArray typedArray;
    private final AttributeSet attrs;

    public DayPickerView(Context context)
    {
        this(context, null);
    }

    public DayPickerView(Context context, AttributeSet attrs)
    {
        this(context, attrs, 0);
    }

    public DayPickerView(Context context, AttributeSet attrs, int defStyle)
    {
        super(context, attrs, defStyle);
        this.attrs = attrs;
        typedArray = context.obtainStyledAttributes(attrs, R.styleable.DayPickerView);
        setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
        setDrawSelectorOnTop(false);
        init(context);
    }

    public void setmController(DatePickerController mController)
    {
        this.mController = mController;
        setUpAdapter();
        setAdapter(mAdapter);
    }


	public void init(Context paramContext) {
		mContext = paramContext;
		setUpListView();
	}

	protected void layoutChildren() {
		super.layoutChildren();
		if (mPerformingScroll) {
			mPerformingScroll = false;
		}
	}

	public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
        SimpleMonthView child = (SimpleMonthView) view.getChildAt(0);
        if (child == null) {
            return;
        }

        long currScroll = view.getFirstVisiblePosition() * child.getHeight() - child.getBottom();
        mPreviousScrollPosition = currScroll;
        mPreviousScrollState = mCurrentScrollState;
	}

	public void onScrollStateChanged(AbsListView absListView, int scroll) {
	}

	protected void setUpAdapter() {
		if (mAdapter == null) {
			mAdapter = new SimpleMonthAdapter(getContext(), mController, typedArray);
        }
		mAdapter.notifyDataSetChanged();
	}

	protected void setUpListView() {
		setCacheColorHint(0);
		setDivider(null);
		setItemsCanFocus(true);
		setFastScrollEnabled(false);
		setVerticalScrollBarEnabled(false);
		setOnScrollListener(this);
		setFadingEdgeLength(0);
	}

    public SimpleMonthAdapter.SelectedDays<SimpleMonthAdapter.CalendarDay> getSelectedDays()
    {
        return mAdapter.getSelectedDays();
    }
}