Android自定义日历控件


package com.threeeyes.util;
import java.util.Calendar;
import com.threeeyes.activity.R;
import android.R.color;
import android.app.Activity;
import android.content.Context;
import android.graphics.Color;
import android.os.Bundle;
import android.util.Log;
import android.view.Gravity;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.LinearLayout;
import android.widget.TableLayout;
import android.widget.TableRow;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.LinearLayout.LayoutParams;
public class DateTime extends LinearLayout {
TableLayout table;
TextView showDateTxt;
TextView btnpre;
TextView btnnext;
TextView nowDate;
int year;
int month; // 0,1,..,,11
int srcday; // 初始日
int srcyear; // 初始年
int srcmonth; // 初始月
String[] weeks = { "周日", "周一", "周二", "周三", "周四", "周五", "周六" };
View preSelectedView = null; // 前一个选中的日期
Context ct;
DateCallBack callBack;
int weekTitleColor = 0xFFFF0000;
int dayColor = 0xFFFF0000;
int titleColor = Color.BLACK;
int selectedColor = Color.TRANSPARENT;
boolean init = false; // 初始化标志
int colWidth = 30; // 单元格宽度
int rowHeight = 0; // 单元格高度
int textSize = 12;
LinearLayout dayLayOut;
public DateTime(Context context, final int year1, final int month1, int day1) {
super(context);
ct = context;
this.srcmonth=month1;
this.srcyear=year1;
setOrientation(LinearLayout.VERTICAL);
setLayoutParams(new LayoutParams(
LinearLayout.LayoutParams.WRAP_CONTENT,
LinearLayout.LayoutParams.WRAP_CONTENT));
setBackgroundColor(Color.GRAY);
LinearLayout titleLayOut = new LinearLayout(ct);
titleLayOut.setOrientation(LinearLayout.HORIZONTAL);
titleLayOut.setGravity(Gravity.CENTER_HORIZONTAL);
addView(titleLayOut);
table = new TableLayout(ct);
addView(table);
showDateTxt = new TextView(ct);
LinearLayout.LayoutParams la = new LinearLayout.LayoutParams(
LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
la.rightMargin = 20;
la.leftMargin = 20;
showDateTxt.setLayoutParams(la);
showDateTxt.setTextSize(textSize);
this.year = year1;
if (month1 < 1 || month1 > 12)
this.month = 0;
else
this.month = month1 - 1;
if (day1 < 1 || day1 > 31)
this.srcday = 1;
else
this.srcday = day1;
showDateTxt.setText(String.valueOf(year1) + "年" + String.valueOf(month1));
showDateTxt.setTextColor(titleColor);
btnpre = new TextView(ct);
btnpre.setTextColor(titleColor);
btnpre.setText("上月");
btnpre.setTextSize(textSize);
btnnext = new TextView(ct);
btnnext.setTextColor(titleColor);
btnnext.setText("下月");
btnnext.setTextSize(textSize);
nowDate =  new TextView(ct);
nowDate.setTextColor(titleColor);
nowDate.setText("今天");
nowDate.setTextSize(textSize);
nowDate.setGravity(Gravity.CENTER_HORIZONTAL);
dayLayOut = new LinearLayout(ct);
dayLayOut.setOrientation(LinearLayout.VERTICAL);
dayLayOut.setGravity(Gravity.CENTER_VERTICAL);
dayLayOut.addView(showDateTxt);
dayLayOut.addView(nowDate);
titleLayOut.addView(btnpre);
titleLayOut.addView(dayLayOut);
titleLayOut.addView(btnnext);
nowDate.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
year = srcyear;
month = srcmonth-1;
showDateTxt.setText(String.valueOf(year) + "年"
+ String.valueOf(month + 1) + "月");
loadDate(1,1+5);
}
});
btnnext.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if (preSelectedView != null)
preSelectedView.setBackgroundColor(color.transparent);
nextMonth();
showDateTxt.setText(String.valueOf(year) + "年"
+ String.valueOf(month + 1) + "月");
loadDate(1, 1 + 5);
}
});
btnpre.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
preMonth();
showDateTxt.setText(String.valueOf(year) + "年"
+ String.valueOf(month + 1) + "月");
loadDate(1, 1 + 5);
}
});
}
public void setPre_Next_BackGround(int preRes, int nextPre) {
btnpre.setBackgroundResource(preRes);
btnnext.setBackgroundResource(nextPre);
btnpre.setText("");
btnnext.setText("");
}
public void setNowDateBackGround(int res) {
dayLayOut.setBackgroundResource(res);
}
/**
 * 初始化日期
 *
 * @param titleCoclor
 *            标题颜色
 * @param weekTitleColor
 *            星期颜色
 * @param dayColor
 *            日期颜色
 */
public void initDate(int titleCoclor, int weekTitleColor, int dayColor,
int selectedColor) {
if (!init) {
this.weekTitleColor = weekTitleColor;
this.dayColor = dayColor;
this.titleColor = titleCoclor;
showDateTxt.setTextColor(titleCoclor);
btnpre.setTextColor(titleCoclor);
btnnext.setTextColor(titleCoclor);
this.selectedColor = selectedColor;
generateDate();
}
}
/**
 * 初始化日期 颜色默认
 */
public void initDate() {
if (!init) {
generateDate();
}
}
/**
 * 以"周日","周一","周二","周三","周四","周五","周六"为顺序
 *
 * @param weekdays
 */
public void setWeekTitle(String[] weekdays) {
if (weekdays != null && weekdays.length > 0 && weekdays.length == 7)
this.weeks = weekdays;
}
public int maxDay() {
Calendar time = Calendar.getInstance();
Log.v("", time.toString());
time.clear();
time.set(Calendar.YEAR, year);
time.set(Calendar.MONTH, month);
int day = time.getActualMaximum(Calendar.DAY_OF_MONTH);// 本月份的天数
return day;
}
public int nowWeekDay() {
Calendar time = Calendar.getInstance();
Log.v("", time.toString());
time.clear();
time.set(Calendar.YEAR, year);
time.set(Calendar.MONTH, month);
time.set(Calendar.DATE, 1);
int weekday = time.get(Calendar.DAY_OF_WEEK);
if (weekday == 7)
return 0;
else
return weekday - 1;
}
public void generateDate() {
TableLayout.LayoutParams params = new TableLayout.LayoutParams(
TableLayout.LayoutParams.WRAP_CONTENT,
TableLayout.LayoutParams.WRAP_CONTENT);
TableRow row2 = new TableRow(ct);
row2.setPadding(0, 2, 0, 0);
row2.setGravity(Gravity.CENTER_HORIZONTAL);
for (int i = 0; i < 7; i++) {
TextView col1 = new TextView(ct);
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