filelist.java

手机控制邮件以及附件的发送

package remote.display;

// standard
import java.io.ByteArrayInputStream;
import java.util.Hashtable;
import java.util.Stack;

//micro edition
import javax.microedition.lcdui.*;
import javax.microedition.lcdui.game.*;
import javax.microedition.midlet.*;
import javax.microedition.io.*;
import java.io.*;

class FileList extends GameCanvas implements Runnable{
	int screenWidth;
	int screenHeight;
	private Graphics g;
	Font font_label;
	Font font_text;
	public Thread thread;
	public boolean select_pressed;
	public int choice;
	public int display_choice;
	int type;
	int list_size;
	public int progress_h;
	//private boolean scrollbar =false;
	public String selected_text="test";
	DisplayMain main;
	int no_file_selected;

	protected FileList(DisplayMain m) {
		super(true);
		screenWidth=128;
		screenHeight=160;
		font_label = Font.getFont (Font.FACE_SYSTEM, Font.STYLE_BOLD, Font.SIZE_MEDIUM);
		font_text = Font.getFont (Font.FACE_SYSTEM, Font.STYLE_PLAIN, Font.SIZE_SMALL);
		main =m;
		setFullScreenMode(true);
		select_pressed=false;
		thread=new Thread(this);
		thread.start();
		no_file_selected=0;
		progress_h = screenHeight/8+1;
		g= this.getGraphics();
		draw();
	}
	public void draw() {
		choice=0;
		type=0;
		display_choice=0;
		draw_choice();
	}

	public void draw_choice() {
		int c = display_choice;
		int t = type;
		g.setColor(255,255,255);
		g.fillRect(0,0,screenWidth,screenHeight);
		draw_image ("function_bg.png", screenWidth, screenHeight,Graphics.BOTTOM|Graphics.RIGHT);
		draw_label(0,0,t);
		draw_select_pic(0, screenHeight/8+1+(display_choice*font_text.getHeight()));
		draw_list(screenHeight/8+1,t);
		draw_scroll_bar(t);
		g.setColor(255,255,255);
		g.fillRect(screenWidth,0,200,screenHeight);
		flushGraphics();
	}

	private void draw_image(String image_name, int x, int y, int anchor){
		Image pic =null;
		try{
			pic =Image.createImage("/"+image_name);
		} catch (IOException e) {
			System.out.println ("load png resource error" + e.getMessage());
		}
		g.drawImage (pic, x, y, anchor);
	}

	private void list_structure(int t,int c,int y){
		if (t==0) {//drive
			for (int i=0; i <list_size ; i++) {
				draw_image("disk.png",2,y+(i*font_text.getHeight()),Graphics.TOP|Graphics.LEFT);
				g.setColor(0,0,0);
				g.setFont(font_text);
				g.drawString(main.drive_name[c+i].substring(0,main.drive_name[c+i].length()-1),20, y+(i*font_text.getHeight()), Graphics.TOP|Graphics.LEFT);
			}
		}else{
			for (int i=0; i <list_size ; i++) {
				if (c+i<main.dir_name.length){
					draw_image("close_folder.png",2,y+(i*font_text.getHeight()),Graphics.TOP|Graphics.LEFT);
					g.setColor(0,0,0);
					g.setFont(font_text);
					g.drawString(main.dir_name[c+i],20, y+(i*font_text.getHeight()), Graphics.TOP|Graphics.LEFT);
				}else{
					draw_image("file.png",2,y+(i*font_text.getHeight()),Graphics.TOP|Graphics.LEFT);
					g.setColor(0,0,0);
					g.setFont(font_text);
					g.drawString(main.file_name[c+i-main.dir_name.length],20, y+(i*font_text.getHeight()), Graphics.TOP|Graphics.LEFT);
				}
			}
		}
	}

	private void draw_list(int y, int type){
		int j;
		if (type ==0) {
			if (main.drive_name.length>9) {
				list_size=9;
					if (display_choice==0){
						list_structure(0,choice,y);
					}
					if(display_choice==1){
						list_structure(0,choice-1,y);
					}
					if(display_choice==2){
						list_structure(0,choice-2,y);
					}
					if(display_choice==3){
						list_structure(0,choice-3,y);
					}
					if(display_choice==4){
						list_structure(0,choice-4,y);
					}
					if(display_choice==5){
						list_structure(0,choice-5,y);
					}
					if(display_choice==6){
						list_structure(0,choice-6,y);
					}
					if(display_choice==7){
						list_structure(0,choice-7,y);
					}
					if(display_choice==8) {
						list_structure(0,choice-8,y);
					}
			}else{
				list_size=main.drive_name.length;
				list_structure(0,0,y);
			}
		}else {
			if (main.dir_name.length+main.file_name.length>9) {
				list_size=9;
					if (display_choice==0){
						list_structure(type,choice,y);
					}
					if(display_choice==1){
						list_structure(type,choice-1,y);
					}
					if(display_choice==2){
						list_structure(type,choice-2,y);
					}
					if(display_choice==3){
						list_structure(type,choice-3,y);
					}
					if(display_choice==4){
						list_structure(type,choice-4,y);
					}
					if(display_choice==5){
						list_structure(type,choice-5,y);
					}
					if(display_choice==6){
						list_structure(type,choice-6,y);
					}
					if(display_choice==7){
						list_structure(type,choice-7,y);
					}
					if(display_choice==8) {
						list_structure(type,choice-8,y);
					}
			}else{
				list_size=main.dir_name.length+main.file_name.length;
				list_structure(type,0,y);
			}
		}
	}

	private void draw_scroll_bar(int type) {
		int h;
		if (type==0) {
			if (main.drive_name.length>9){
				h=9*9*font_text.getHeight()/main.drive_name.length;
				g.setColor(250,180,10);
				g.fillRect(screenWidth-6, screenHeight/8+1,6,9*font_text.getHeight());
				System.out.println(h);
				g.setColor(251,224,171);
				g.fillRect(screenWidth-5,progress_h,4,h);
			}
		}else {
			if (main.dir_name.length+main.file_name.length>9){
				h=9*9*font_text.getHeight()/(main.dir_name.length+main.file_name.length);
				g.setColor(250,180,10);
				g.fillRect(screenWidth-6, screenHeight/8+1,6,9*font_text.getHeight());
				System.out.println(h);
				g.setColor(251,224,171);
				g.fillRect(screenWidth-5,progress_h,4,h);
			}
		}
	}


	private void draw_select_pic(int x, int y) {
		int[] maskArray;
		maskArray = new int[screenWidth*font_text.getHeight()];
		for (int i = 0; i < screenWidth*font_text.getHeight(); i++) {
				maskArray[i] = 0xCDFFD163; //set to orange color
		}
		g.drawRGB(maskArray,0,screenWidth,x, y, screenWidth,font_text.getHeight(),true);
	}

	private void draw_label(int x, int y, int t) {
		int[] maskArray;
		maskArray = new int[screenWidth*screenHeight/8];
		for (int i = 0; i < screenWidth*screenHeight/8; i++) {
			if (i >= screenWidth*screenHeight/8-screenWidth*1){
				maskArray[i]=0x00FFFFFF; //set to gery color
			}else{
				maskArray[i] = 0xCDFFD163; //set to orange color
			}
		}
		g.drawRGB(maskArray,0,screenWidth,x, y, screenWidth, screenHeight/8,true);
		if (t==0){
			draw_image("computer.png",2,2,Graphics.TOP|Graphics.LEFT);
			g.setColor(0,0,0);
			g.setFont(font_label);
			g.drawString("My computer",15, 2, Graphics.TOP|Graphics.LEFT);
		}
		if (t ==1) {
			draw_image("disk.png",2,2,Graphics.TOP|Graphics.LEFT);
			g.setColor(0,0,0);
			g.setFont(font_label);
			g.drawString(selected_text,20, 2, Graphics.TOP|Graphics.LEFT);
		}
		if (t==2) {
			draw_image("open_folder.png",2,2,Graphics.TOP|Graphics.LEFT);
			g.setColor(0,0,0);
			g.setFont(font_label);
			g.drawString(selected_text,20, 2, Graphics.TOP|Graphics.LEFT);
		}
	}

	public void key_Pressed() {
		int keyState =getKeyStates();
		if ((keyState & UP_PRESSED) !=0) {
			choice --;
			display_choice--;
			if (type ==0) {
				if (main.drive_name.length>9){
					if(display_choice==0){
						if(choice==0) {
							display_choice=0;
						}else{
							progress_h=(screenHeight/8+1)+(choice-1)*9*font_text.getHeight()/main.drive_name.length;
							display_choice=1;
						}
					}
					if(display_choice<0) {
						progress_h=screenHeight/8+1+9*font_text.getHeight()-9*9*font_text.getHeight()/main.drive_name.length;
						display_choice=8;
						choice=main.drive_name.length-1;
					}
				}else{
					if (display_choice <0) {
						display_choice =main.drive_name.length-1;
						choice=main.drive_name.length-1;
					}
				}
			}else {
				if (main.dir_name.length+main.file_name.length>9){
					if(display_choice==0){
						if(choice==0) {
							display_choice=0;
						}else{
							progress_h=(screenHeight/8+1)+(choice-1)*9*font_text.getHeight()/(main.dir_name.length+main.file_name.length);
							display_choice=1;
						}
					}
					if(display_choice<0) {
						progress_h=screenHeight/8+1+9*font_text.getHeight()-9*9*font_text.getHeight()/(main.dir_name.length+main.file_name.length);
						display_choice=8;
						choice=(main.dir_name.length+main.file_name.length)-1;
						main.file_list_screen.addCommand(main.previewCommand);
						main.file_list_screen.addCommand(main.detailCommand);
					}
				}else{
					if (display_choice <0) {
						display_choice =(main.dir_name.length+main.file_name.length)-1;
						choice=(main.dir_name.length+main.file_name.length)-1;
						main.file_list_screen.addCommand(main.previewCommand);
						main.file_list_screen.addCommand(main.detailCommand);
					}
				}
				if(choice==main.dir_name.length-1) {
					main.file_list_screen.removeCommand(main.previewCommand);
					main.file_list_screen.removeCommand(main.detailCommand);
				}
			}
			draw_choice();
			System.out.println ("currentpath="+main.currentpath);
		}
		if ((keyState & DOWN_PRESSED) !=0) {
			choice ++;
			display_choice++;
			if (type ==0) {
				if (main.drive_name.length>9){
					if(display_choice==8){
						if(choice==main.drive_name.length-1) {
							display_choice=8;
						}else{
							progress_h=(screenHeight/8+1)+((choice-7)*9*font_text.getHeight()/main.drive_name.length);
							display_choice=7;
						}
					}
					if(display_choice>8) {
						progress_h=screenHeight/8+1;
						display_choice=0;
						choice=0;
					}
				}else{
					if (display_choice >main.drive_name.length-1) {
						display_choice =0;
						choice=0;
					}
				}
			}else{
				if (main.dir_name.length+main.file_name.length>9){
					if(display_choice==8){
						if(choice==(main.dir_name.length+main.file_name.length)-1) {
							display_choice=8;
						}else{
							progress_h=(screenHeight/8+1)+((choice-7)*9*font_text.getHeight()/(main.dir_name.length+main.file_name.length));
							display_choice=7;
						}
					}
					if(display_choice>8) {
						progress_h=screenHeight/8+1;
						display_choice=0;
						choice=0;
						main.file_list_screen.removeCommand(main.previewCommand);
						main.file_list_screen.removeCommand(main.detailCommand);
					}
				}else{
					if (display_choice >(main.dir_name.length+main.file_name.length)-1) {
						display_choice =0;
						choice=0;
						main.file_list_screen.removeCommand(main.previewCommand);
						main.file_list_screen.removeCommand(main.detailCommand);
					}
				}
				if(choice==main.dir_name.length) {
					main.file_list_screen.addCommand(main.previewCommand);
					main.file_list_screen.addCommand(main.detailCommand);
				}
			}
			draw_choice();
		}
		if ((keyState & FIRE_PRESSED) !=0) {
			main.file_selected();
			try {
				Thread.sleep(200);
			}catch (InterruptedException ie) {}
		}
	}
	public void run() {
		while (!select_pressed) {
			key_Pressed();
			try {
				Thread.sleep(20);
			}catch (InterruptedException ie) {}
		}
	}
}