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);

col1.setMinWidth(colWidth);

col1.setMaxWidth(colWidth);

if (rowHeight > 0)

col1.setMinHeight(rowHeight);

col1.setTextColor(weekTitleColor);

col1.setText(weeks[i]);

col1.setGravity(Gravity.CENTER_HORIZONTAL | Gravity.CENTER_VERTICAL);

col1.setTextSize(textSize);

row2.addView(col1); // 添加列

}

table.addView(row2);

int weekday = nowWeekDay();

int maxday = maxDay();

Log.v("date----", weekday + "-----------" + maxday);

int count = 0;

for (int i = 0; i < 5; i++) { // 添加6行

TableRow row = new TableRow(ct);

row.setPadding(0, 2, 0, 2);

row.setGravity(Gravity.CENTER_HORIZONTAL);

row.setLayoutParams(params);

// row.setBackgroundColor(0xFF00FF00);

for (int j = 0; j < 7; j++) { // 添加1列

TextView col = new TextView(ct);

col.setTextColor(dayColor);

col.setBackgroundColor(color.transparent);

col.setTextSize(textSize);

if (rowHeight > 0)

col.setMinHeight(rowHeight);

if (i == 0) {

if (weekday <= j) {

count++;

col.setText(String.valueOf(count));

}

} else {

if (count < maxday) {

count++;

col.setText(String.valueOf(count));

}

}

col.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

// TODO Auto-generated method stub

if (((TextView) v).getText().toString().length() > 0) {

if (preSelectedView != null) {

preSelectedView

.setBackgroundColor(color.transparent);

}

preSelectedView = v;

v.setBackgroundColor(selectedColor);

callBack.execute(v, year + "", (month + 1) + "",

((TextView) v).getText().toString());

}

}

});

if (srcday == count) {

col.setBackgroundColor(selectedColor);

this.preSelectedView = col;

}

col.setGravity(Gravity.CENTER_HORIZONTAL

| Gravity.CENTER_VERTICAL);

row.addView(col); // 添加列

}

table.addView(row);// 添加行

}

}

public void nextMonth() {

if (month == 11) {

year++;

month = 0;

} else {

month++;

}

}

public void preMonth() {

if (month == 0) {

year--;

month = 11;

} else {

month--;

}

}

public void loadDate(int startIndex, int endIndex) {

int weekday = nowWeekDay();

int maxday = maxDay();

Log.v("date----", weekday + "-----------" + maxday);

int count = 0;

for (int i = startIndex; i < endIndex; i++) {

TableRow row = (TableRow) table.getChildAt(i);

for (int j = 0; j < 7; j++) {

TextView col = (TextView) row.getChildAt(j);

if (i == startIndex) {

if (weekday <= j) {

count++;

col.setText(String.valueOf(count));

if (srcday == count) {

col.setBackgroundColor(selectedColor);

this.preSelectedView = col;

}

} else {

col.setText("");

}

} else {

if (count < maxday) {

count++;

col.setText(String.valueOf(count));

} else {

col.setText("");

}

}

if (srcday == count) {

col.setBackgroundColor(selectedColor);

if (this.preSelectedView != col)

this.preSelectedView

.setBackgroundColor(color.transparent);

this.preSelectedView = col;

}

}

}

}

/**

* 回调函数

*

* @author Acer

*

*/

public interface DateCallBack {

public void execute(View v, String year, String month, String day);

}

public void setCallBack(DateCallBack callBack) {

this.callBack = callBack;

}

/**

* 设置单元格的宽度，高度

*

* @param colWidth

* 单元格宽度

* @param rowHeight

* 单元格高度

* @param textSize1

* 文字大小

*/

public void setWidthHeightTextSize(int colWidth, int rowHeight,

int textSize1) {

if (colWidth > 0)

this.colWidth = colWidth;

this.rowHeight = rowHeight;

this.textSize = textSize1;

btnpre.setTextSize(textSize1);

btnnext.setTextSize(textSize1);

showDateTxt.setTextSize(textSize1);

}

}