?? mycalendarheader.java
字號:
package MyCalendar;
import javax.microedition.lcdui.*;
import java.util.*;
public class MyCalendarHeader extends CustomItem {
private final static int SELECT_YEAR = 0;
private final static int SELECT_MONTH = 1;
private final static int SELECT_NONE = 2;
private int location = SELECT_NONE;
private Calendar cal;
private MyCalendar myCal;
private int year, month, day;
public MyCalendarHeader(String title, MyCalendar myCal) {
super(title);
this.myCal = myCal;
//1月對應的數值是0,星期天對應數值是1 ,星期1是2,以此類推
cal = myCal.getSelectedDate();
year = cal.get(Calendar.YEAR);
day = cal.get(Calendar.DAY_OF_MONTH);
System.out.println(day);
month = cal.get(Calendar.MONTH)+1;
}
protected int getMinContentHeight() {
return 40;
}
protected int getMinContentWidth() {
return 130;
}
protected int getPrefContentHeight(int width) {
return 40;
}
protected int getPrefContentWidth(int height) {
return 130;
}
protected void paint(Graphics g, int w, int h) {
int oldColor = g.getColor();
if(location == SELECT_YEAR){
//填充選定的日期的顏色
g.setColor(0x00D0D0D0);
g.fillRect(30, 2, 60, 18);//int x, int y, int width, int height
}else if(location == SELECT_MONTH){
g.setColor(0x00D0D0D0);
g.fillRect(35, 22, 45, 38);
}
g.setColor(oldColor);
// store clipping properties
int oldClipX = g.getClipX();
int oldClipY = g.getClipY();
int oldClipWidth = g.getClipWidth();
int oldClipHeight = g.getClipHeight();
//設置裁減區域的大小
g.setClip(30, 2, 100, 18);
g.drawString("<<"+String.valueOf(year)+ "年>>", 31, 2, Graphics.LEFT | Graphics.TOP);
g.setClip(35, 22, 100, 38);
g.drawString("<<"+String.valueOf(month)+"月 >>", 35, 22, Graphics.LEFT | Graphics.TOP);
// 保存原來的畫布信息
g.setClip(oldClipX, oldClipY, oldClipWidth, oldClipHeight);
}
protected boolean traverse(int dir, int viewportWidth, int viewportHeight,
int[] visRect_inout) {
switch (dir) {
case Canvas.DOWN:
if(location == SELECT_YEAR){
location = SELECT_MONTH;
}
else if(location == SELECT_MONTH){
location = SELECT_NONE;
return false; //轉移到下一個控件
}else if(location == SELECT_NONE){
location = SELECT_YEAR;
}
repaint();
break;
case Canvas.UP:
if(location == SELECT_YEAR){
location = SELECT_NONE;
return false; //轉移到下一個控件
}else if(location == SELECT_MONTH){
location = SELECT_YEAR;
}else if(location == SELECT_NONE){
location = SELECT_MONTH;
}
repaint();
break;
case Canvas.LEFT:
if(location == SELECT_YEAR){
year--;
repaint();
myCal.setSelectedDate(year,month - 1,day);
}
if(location == SELECT_MONTH){
if(month>1)
month--;
repaint();
myCal.setSelectedDate(year,month - 1,day);
}
break;
case Canvas.RIGHT:
if(location == SELECT_YEAR){
year++;
repaint();
myCal.setSelectedDate(year,month - 1,day);
}
if(location == SELECT_MONTH){
month = month%12 + 1;
repaint();
myCal.setSelectedDate(year,month - 1,day);
}
break;
}
return true;
}
}
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