com.edoli.calendarlms.CalendarAdapter.java Source code

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Here is the source code for com.edoli.calendarlms.CalendarAdapter.java

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/*
 * Copyright (C) 2013 Daniel Jeon
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 com.edoli.calendarlms;

import org.joda.time.DateTime;
import org.joda.time.DateTimeFieldType;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.drawable.ShapeDrawable;
import android.graphics.drawable.shapes.RectShape;
import android.graphics.drawable.shapes.Shape;
import android.util.TypedValue;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AbsListView;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.RelativeLayout;
import android.widget.RelativeLayout.LayoutParams;
import android.widget.TextView;

public class CalendarAdapter extends BaseAdapter {
    private Context mContext;
    private DateTime mDate;
    private GridView mGridView;

    private int mMonth;

    private CalendarEvent[] mCalendarEvents;

    public CalendarAdapter(Context context, DateTime date, GridView gridView) {
        mContext = context;
        mDate = date;
        mGridView = gridView;

        int firstDayOfWeek = mDate.get(DateTimeFieldType.dayOfWeek());
        mMonth = mDate.getMonthOfYear();
        mDate = mDate.minusDays(firstDayOfWeek);
    }

    @Override
    public int getCount() {
        return 7 * 6;
    }

    @Override
    public Object getItem(int position) {
        return mDate.plusDays(position);
    }

    @Override
    public long getItemId(int position) {
        return position;
    }

    @Override
    public boolean isEnabled(int position) {
        DateTime date = mDate.plusDays(position);
        if (date.getMonthOfYear() != mMonth) {
            return false;
        }
        return true;
    }

    @SuppressWarnings("deprecation")
    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        Context context = parent.getContext();
        RelativeLayout view = new RelativeLayout(context);

        DateTime date = mDate.plusDays(position);
        AbsListView.LayoutParams layoutParams = null;

        int gHeight = mGridView.getMeasuredHeight();
        int cHeight = gHeight / 6;
        int gWidth = mGridView.getMeasuredWidth();
        int cWidth = gWidth / 7;
        int row = position / 7;
        int column = position % 7;

        layoutParams = new AbsListView.LayoutParams(cWidth, cHeight);

        if (column == 6) {
            layoutParams.width = gWidth - cWidth * 6;
        }
        if (row == 5) {
            layoutParams.height = gHeight - cHeight * 5;
        }

        view.setLayoutParams(layoutParams);

        int day = date.getDayOfMonth();

        TextView dayView = new TextView(context);
        RelativeLayout.LayoutParams dayParams = new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT,
                LayoutParams.WRAP_CONTENT);
        dayParams.addRule(RelativeLayout.ALIGN_PARENT_RIGHT);
        dayParams.addRule(RelativeLayout.ALIGN_PARENT_TOP);
        dayView.setLayoutParams(dayParams);
        dayView.setText(day + "");
        dayView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 20);

        if (column == 0) {
            dayView.setTextColor(Color.RED);
        }

        // Set Background of cell

        int fillColor = 0;
        int strokeColor = 0;

        if (date.getMonthOfYear() != mMonth) {
            fillColor = Color.argb(51, 0, 0, 0);
            strokeColor = Color.GRAY;
            dayView.setTextColor(Color.GRAY);
        } else {
            fillColor = Color.argb(51, 238, 238, 230);
            strokeColor = Color.GRAY;
        }

        // Set different color or event cell
        if (mCalendarEvents != null) {
            for (CalendarEvent event : mCalendarEvents) {
                DateTime eventDate = event.getDate();
                if (eventDate.getDayOfYear() == date.getDayOfYear()) {
                    fillColor = Color.argb(51, 205, 92, 92);
                }
            }
        }

        ShapeDrawable drawable = new CellShapeDrawable(fillColor, strokeColor, row, column);
        view.setBackgroundDrawable(drawable);

        view.addView(dayView);

        return view;
    }

    public void setCalendarEvents(CalendarEvent[] calendarEvents) {
        mCalendarEvents = calendarEvents;
    }

    private class CellShapeDrawable extends ShapeDrawable {
        private final int fill, stroke, row, column;

        public CellShapeDrawable(int fill, int stroke, int row, int column) {
            super(new RectShape());
            this.fill = fill;
            this.stroke = stroke;
            this.row = row;
            this.column = column;
        }

        @Override
        protected void onDraw(Shape shape, Canvas canvas, Paint paint) {
            paint.setColor(this.fill);
            canvas.drawRect(canvas.getClipBounds(), paint);

            // border
            paint.setColor(this.stroke);

            // left border
            if (column != 0) {
                canvas.drawLine(0, 0, 0, canvas.getClipBounds().bottom, paint);
            }

            // right border
            //canvas.drawLine(canvas.getClipBounds().right - 1, 0, canvas.getClipBounds().right - 1, canvas.getClipBounds().bottom, paint);

            // top border
            if (row != 0) {
                canvas.drawLine(0, 0, canvas.getClipBounds().right, 0, paint);
            }

            // bottom border
            //canvas.drawLine(0, canvas.getClipBounds().bottom - 1, canvas.getClipBounds().right, canvas.getClipBounds().bottom - 1, paint);
        }

    }
}