文本编辑器源文件(java语言)

/版权所有helj

import java.awt.*;

import java.io.*;

import java.util.*;

//W_color;C_str;C_file;C_back;W_find;W_fond

interface I_Method

{

public void setQuit();

public void setfont(Font f);

public void setcolor(Color c);

public void Find(String find,int dire);

}

class D_color extends Dialog

{

private Button OK,Cancel;

private I_Method mp;

private Rectangle test;

private Color current= Color.black;

private Color []colors;

private Color []colors1;

private Color []colors2;

private int strlen= 250;

public D_color(Frame fr,I_Method mp,int x,int y)

{

super(fr,"调色板",true);

this.mp= mp;

colors= new Color[strlen];

colors1= new Color[strlen];

colors2= new Color[strlen];

for (int i = 0; i < strlen; i++)

{

float h = ((float)i)/((float)strlen);

colors[i] = new Color(Color.HSBtoRGB(h,1.0f,1.0f));

}

for (int i = 0; i < strlen; i++)

{

float h = ((float)i)/((float)strlen);

colors1[i] = new Color(Color.HSBtoRGB(1.0f,h,1.0f));

}

for (int i = 0; i < strlen; i++)

{

float h = ((float)i)/((float)strlen);

colors2[i] = new Color(Color.HSBtoRGB(1.0f,1.0f,h));

}

setLayout(null);

OK= new Button("确定");

Cancel= new Button("取消");

OK.reshape(320,100,80,30);

add(OK);

Cancel.reshape(320,150,80,30);

add(Cancel);

test= new Rectangle(0,0,300,250);

reshape(x/2-210,y/2-140,420,280);

show();

}

public void update(Graphics g)

{

int y= 0;

for (int i = 0; i < strlen; i++)

{

g.setColor(colors[i]);

g.fillRect(0,y,100,1);

y+=1;

}

y= 0;

for (int i = 0; i < strlen; i++)

{

g.setColor(colors1[i]);

g.fillRect(100,y,100,1);

y+=1;

}

y= 0;

for (int i = 0; i < strlen; i++)

{

g.setColor(colors2[i]);

g.fillRect(200,y,100,1);

y+=1;

}

g.setColor(current);

g.fillRect(330,30,60,60);

}

public void paint(Graphics g)

{

update(g);

}

public boolean mouseMove(Event evt,int x,int y)

{

if(test.inside(x,y))

{

Graphics g1= getGraphics();

//g1.drawImage(back,oldx,oldy);

//g1.clipRect(x-3,y-3,6,6);

g1.setColor(Color.white);

g1.drawArc(x-3,y-3,6,6,60,360);

g1.drawLine(x-3,y,x+3,y);

g1.drawLine(x,y-3,x,y+3);

repaint();

//oldx= x-3;

//oldy= y-3;

return true;

}

return false;

}

public boolean mouseDown(Event evt,int x,int y)

{

if((x>=0)&&(x<=100))

{

current= colors[y];

System.out.println(y);

getGraphics().setColor(current);

getGraphics().fillRect(330,30,60,60);

return true;

}

if((x>100)&&(x<=200))

{

current= colors1[y];

getGraphics().setColor(current);

getGraphics().fillRect(330,30,60,60);

return true;

}

if((x>200)&&(x<=300))

{

current= colors2[y];

getGraphics().setColor(current);

getGraphics().fillRect(330,30,60,60);

return true;

}

return false;

}

public boolean action(Event evt,Object arg)

{

if(evt.target instanceof Button)

{

if(evt.target== OK)

{

mp.setcolor(current);

dispose();

return true;

}

if(evt.target== Cancel)

{

dispose();

return true;

}

}

return super.action(evt,arg);

}

}

class W_quick extends Window

{

MainF fr;

private Dimension sz;

private int w,h;

private int fw,fh;

private FontMetrics fm;

private int index=0;

public W_quick(MainF fr,I_Method qm,int x,int y)

{

super(fr);

this.fr= fr;

setBackground(Color.lightGray);

}

public void show(int x,int y)

{

repaint();

reshape(x,y,100,160);

show();

}

private void draw_uplines(Graphics g,int x,int y,int w1,int h1)

{

g.setColor(Color.white);

g.drawLine(x,y,x+w1-1,x);

g.drawLine(x,y,x,y+h1-1);

g.setColor(Color.black);

g.drawLine(x+w1-1,y-1,x+w1-1,y+h1-1);

g.drawLine(x+w1-2,y+1,x+w1-2,y+h1-2);

g.drawLine(x+1,y+h-2,x+w1-2,y+h1-2);

// g.drawLine(x,y+h1-1,x+w1-1,y+h1-1);

// g.setColor(Color.black);

// g.drawLine(x,y+h1-1,x+w1-1,y+h1-1);

}

public void paint(Graphics g)

{

sz= size();

w= sz.width;

h= sz.height;

// g.setFont(Ffont);

fm= g.getFontMetrics();

fh=fm.getHeight();

fw= fm.charWidth('C');

g.setColor(Color.gray);

g.drawRect(10,(index-1)*fh+6,w-20,fh);

// g.setColor(Color.lightGray);

// g.drawRect(0,0,w,h);

draw_uplines(g,1,1,w-1,h-1);

g.setColor(Color.black);

g.drawString("Cut",13,fh);

g.drawString("Copy",13,2*fh);

g.drawString("Paste",13,3*fh);

g.drawString("Delete",13,4*fh);

}

public boolean mouseMove(Event evt,int x,int y)

{

for(int i=1;i<=4;i++)

if((y>(i-1)*fh)&&(y<(i*fh)))

{

index= i;

repaint();

}

return super.mouseMove(evt,x,y);

}

public boolean mouseDown(Event evt,int x,int y)

{

if(y>0&&y<fh)

{

fr.current_t.dels();

fr.eitem.enable(false);

fr.eitem1.enable(false);

fr.eitem3.enable(false);

fr.eitem2.enable(true);

hide();

return true;

}

if(y>fh&&(y<(2*fh)))

{

fr.eitem.enable(false);

fr.eitem1.enable(false);

fr.eitem3.enable(false);

fr.eitem2.enable(true);

hide();

return true;

}

if((y>(2*fh))&&(y<(3*fh)))

{

fr.current_t.adds();

fr.eitem2.enable(false);

fr.eitem.enable(false);

fr.eitem1.enable(false);

fr.eitem3.enable(false);

hide();

return true;

}

if((y>(3*fh))&&(y<(4*fh)))

{

fr.current_t.dels();

fr.eitem3.enable(false);

fr.eitem.enable(false);

fr.eitem1.enable(false);

fr.eitem2.enable(false);

hide();

return true;

}

return super.mouseDown(evt,x,y);

}

}

class ptest extends Panel

{

String test= "ABCDabcd";

D_font ff;

public ptest(D_font ff)

{

this.ff= ff;

repaint();

}

private void draw_downlines(Graphics g,int x,int y,int w,int h)

{

g.setColor(Color.white);

g.drawLine(x+1,y+h-1,x+w-1,y+h-1);

g.drawLine(x+w-1,y+h-1,x+w-1,y+1);

g.setColor(Color.black);

g.drawLine(x,y,x,y+h);

g.drawLine(x+1,y+1,x+1,y+h-1);

g.drawLine(x,y,x+w,y);

g.drawLine(x+1,y+1,x+w-1,y+1);

}

public void rep()

{

repaint();

}

public void paint(Graphics g)

{

Dimension sz= size();

Point pt= location();

g.setColor(Color.darkGray);

g.drawRect(0,0,sz.width-2,sz.height-2);

g.setColor(Color.white);

g.drawLine(1,1,1,sz.height-3);

g.drawLine(1,1,sz.width-3,1);

g.drawLine(0,sz.height-1,sz.width-1,sz.height-1);

g.drawLine(sz.width-1,0,sz.width-1,sz.height-1);

draw_downlines(g,15,10,sz.width-30,sz.height-20);

g.clipRect(16,11,sz.width-31,sz.height-21);

g.setColor(Color.black);

g.setFont(ff.bf);

g.drawString(test,20,sz.height-21);

}

}

class D_font extends Dialog

{

public Font bf;

private Button OK,Cancel;

private Label l1,l2,l3;

private String items1[]={"Helvetica","Courier","TimesRoman","Dialog"};

private String items2[]={"PLAIN","BOLD","PLAIN+BOLD","ITALIC","BOLD+ITALIC"};

private int[] style= new int[5];

private String items3[]={"8","9","10","11","12","14","16","18","20","22","24","26","28","36","48","72"};

private TextField f1,f2,f3;

private List ll1,ll2,ll3;

private ptest test;

private I_Method im;

public void init()

{

style[0]= Font.PLAIN;

style[1]= Font.BOLD;

style[2]= Font.PLAIN+Font.BOLD;

style[3]= Font.ITALIC;

style[4]= Font.BOLD+Font.ITALIC;

}

public D_font(Frame fr,I_Method qm,int x,int y)

{

super(fr,"字体",true);

init();

setFont(new Font("TimesRoman",Font.PLAIN,14));

im= qm;

GridBagLayout gridBag= new GridBagLayout();

GridBagConstraints c= new GridBagConstraints();

setLayout(gridBag);

c.insets.left= 4;

c.insets.right= 4;

c.insets.bottom= 1;

c.insets.top= 1;

l1= new Label("字体:",Label.LEFT);

c.gridwidth= GridBagConstraints.REMAINDER;

c.fill= GridBagConstraints.BOTH;

c.weightx= 0.0;

c.weighty= 0.0;

c.gridx=0;

c.gridy=0;

c.gridwidth=2;

c.gridheight =1;

gridBag.setConstraints(l1,c);

add(l1);

l2= new Label("字体样式:",Label.LEFT);

c.gridwidth= GridBagConstraints.REMAINDER;

c.fill= GridBagConstraints.BOTH;

c.weightx= 0.0;

c.weighty= 0.0;

c.gridx=2;

c.gridy=0;

c.gridwidth=1;

c.gridheight =1;

gridBag.setConstraints(l2,c);

add(l2);

l3= new Label("大小:",Label.LEFT);

c.gridwidth= GridBagConstraints.REMAINDER;

c.fill= GridBagConstraints.BOTH;

c.weightx= 0.0;

c.weighty= 0.0;

c.gridx=3;

c.gridy=0;

c.gridwidth=1;

c.gridheight =1;

gridBag.setConstraints(l3,c);

add(l3);

OK= new Button("确定");

c.gridwidth= GridBagConstraints.REMAINDER;

c.fill= GridBagConstraints.BOTH;

c.weightx= 0.0;

c.weighty= 0.0;

c.gridx=4;

c.gridy=1;

c.gridwidth=1;

c.gridheight =1;

gridBag.setConstraints(OK,c);

add(OK);

f1= new TextField();

c.gridwidth= GridBagConstraints.REMAINDER;

c.fill= GridBagConstraints.BOTH;

c.weightx= 0.0;

c.weighty= 0.0;

c.gridx=0;

c.gridy=1;

c.gridwidth=2;

c.gridheight =1;

gridBag.setConstraints(f1,c);

add(f1);

f2= new TextField();

c.gridwidth= GridBagConstraints.REMAINDER;

c.fill= GridBagConstraints.BOTH;

c.weightx= 0.0;

c.weighty= 0.0;

c.gridx=2;

c.gridy=1;

c.gridwidth=1;

c.gridheight =1;

gridBag.setConstraints(f2,c);

add(f2);

f3= new TextField();

c.gridwidth= GridBagConstraints.REMAINDER;

c.fill= GridBagConstraints.BOTH;

c.weightx= 0.0;

c.weighty= 0.0;

c.gridx=3;

c.gridy=1;

c.gridwidth=1;

c.gridheight =1;

gridBag.setConstraints(f3,c);

add(f3);

Cancel= new Button("取消");

c.gridwidth= GridBagConstraints.REMAINDER;

c.fill= GridBagConstraints.BOTH;

c.weightx= 0.0;

c.weighty= 0.0;

c.gridx=4;

c.gridy=2;

c.gridwidth=1;

c.gridheight =1;

gridBag.setConstraints(Cancel,c);

add(Cancel);

ll1= new List();

for(int i=0;i<items1.length;i++)

ll1.addItem(items1[i]);

c.gridwidth= GridBagConstraints.REMAINDER;

c.fill= GridBagConstraints.BOTH;

c.weightx= 1.0;

c.weighty= 1.0;

c.gridx=0;

c.gridy=2;

c.gridwidth=2;

c.gridheight =7;

gridBag.setConstraints(ll1,c);

add(ll1);

ll2= new List();

for(int i1=0;i1<items2.length;i1++)

ll2.addItem(items2[i1]);

c.gridwidth= GridBagConstraints.REMAINDER;

c.fill= GridBagConstraints.BOTH;

c.weightx= 0.0;

c.weighty= 0.0;

c.gridx=2;

c.gridy=2;

c.gridwidth=1;

c.gridheight =7;

gridBag.setConstraints(ll2,c);

add(ll2);

ll3= new List();

for(int i2=0;i2<items3.length;i2++)

ll3.addItem(items3[i2]);

c.gridwidth= GridBagConstraints.REMAINDER;

c.fill= GridBagConstraints.BOTH;

c.weightx= 0.0;

c.weighty= 0.0;

c.gridx=3;

c.gridy=2;

c.gridwidth=1;

c.gridheight =7;

gridBag.setConstraints(ll3,c);

add(ll3);

test= new ptest(this);

c.gridwidth= GridBagConstraints.REMAINDER;

c.fill= GridBagConstraints.BOTH;

c.weightx= 1.0;

c.weighty= 1.0;

c.gridx=0;

c.gridy=9;

c.gridwidth=5;

c.gridheight =4;

gridBag.setConstraints(test,c);

add(test);

reshape(x/2-210,y/2-140,420,280);

show();

}

public boolean action(Event evt,Object arg)

{

if(evt.target instanceof Button)

{

if(evt.target== OK)

{

if(ll1.getSelectedIndex()==-1)

ll1.select(0);

if(ll3.getSelectedIndex()==-1)

ll3.select(0);

if(ll2.getSelectedIndex()==-1)

ll2.select(0);

int size= Integer.parseInt(items3[ll3.getSelectedIndex()]);

bf=new Font(items1[ll1.getSelectedIndex()],style[ll2.getSelectedIndex()],size);

im.setfont(bf);

dispose();

return true;

}

if(evt.target== Cancel)

{

dispose();

return true;

}

}

if(evt.target instanceof List)

{

if(ll1.getSelectedIndex()==-1)

ll1.select(0);

if(ll3.getSelectedIndex()==-1)

ll3.select(0);

if(ll2.getSelectedIndex()==-1)

ll2.select(0);

f1.setText(ll1.getSelectedItem());

f2.setText(ll2.getSelectedItem());

f3.setText(ll3.getSelectedItem());

int size= Integer.parseInt(items3[ll3.getSelectedIndex()]);

bf=new Font(items1[ll1.getSelectedIndex()],style[ll2.getSelectedIndex()],size);

test.rep();

return true;

}

return super.action(evt,arg);

}

}

class W_quit extends Dialog

{

Button OK,Cancel;

I_Method im;

public W_quit(Frame fr,I_Method qm)

{

super(fr,"Java文本编译器");

//setBackground(Color.lightGray);

setFont(new Font("TimesRoman",Font.BOLD,16));

im= qm;

OK= new Button("确定");

Cancel= new Button("取消");

Panel pp= new Panel();

pp.add(OK);

pp.add(Cancel);

add("South",pp);

add("Center",new Label("Ready to Quit",1));

reshape(100,100,200,100);

}

public boolean action(Event evt,Object arg)

{

if(evt.target== OK)

{

im.setQuit();

dispose();

return true;

}else

if(evt.target== Cancel)

{

dispose();

return true;

}else

return super.action(evt,arg);

}

}

class screen

{

public int[] length;

public int left,right,up,down;

public int offsetx=0,offsety=0;

public int w=0,h=0;

public int maxline;

public screen()

{

length= new int[300];

for(int i=0;i<300;i++)

{

length[i]= 0;

}

left= 0;

up= 0;

}

public void setmax(int x,int y)

{

down= y;

right= x;

}

}

class cusor

{

public int cusorx,cusory;//当前光标的坐标

public int index;//当前光标对应的偏移

public int linex,liney;//行列号首地址为1,1linex

public int oldx,oldy;

public int w,h;

public cusor(int y)

{

index= 0;

cusorx= 3;

cusory= y;

linex= liney= 0;

}

public void paint(Graphics g)

{

g.setColor(Color.white);

g.drawLine(oldx,oldy,oldx,oldy-h+2);

g.setColor(Color.black);

g.drawLine(cusorx,cusory,cusorx,cusory-h+2);

oldx= cusorx;

oldy= cusory;

}

}

class select

{

public char[] sels;

public int count;// 选中字符的个数

public int index;//当前光标对应的偏移

public int linex,liney;

public select()

{

linex= liney= count= 0;

sels= new char[1000];

}

}

//横坐标起始为3

class P_area extends Canvas

{

public screen sc;

public cusor cus;

public select sel;

private MainF fr;

public String filename,filedir;

private Font Ffont= null;

private Color Bcolor= Color.black;

private FontMetrics fm;

private Dimension sz;

private int fh,fw;

private int paint_x,paint_y;//用于写字符

public int totle= 0;//字符总数

private int lcount=0;

public boolean border= true;//光标是否在边界

// private boolean scroll= false;

public boolean select= false;

public boolean selold= false;//选中后重画屏幕

public boolean bfind= false;

private String findtext= null;

private int[] findindex;

private int findcount=0;

private char[] text;

public P_area(MainF fr,Font cuf,Color cuc,String fn,String fd)

{

this.fr= fr;

setBackground(Color.white);

sz= size();

Ffont= cuf;

setFont(cuf);

cus= new cusor(sz.height);

sc= new screen();

sel= new select();

Bcolor= cuc;

filename= fn;

filedir= fd;

text= new char[5000];

findindex= new int[100];

repaint();

}

private void draw_downlines(Graphics g,int x,int y,int w,int h)

{

g.setColor(Color.white);

g.drawLine(x+1,y+h-1,x+w-1,y+h-1);

g.drawLine(x+w-1,y+h-1,x+w-1,y+1);

g.setColor(Color.black);

g.drawLine(x,y,x,y+h);

g.drawLine(x+1,y+1,x+1,y+h-1);

g.drawLine(x,y,x+w,y);

g.drawLine(x+1,y+1,x+w-1,y+1);

}

//打开已存在的文件

public void setname(String fn,String fd)

{

filename= fn;

filedir= fd;

}

public void open(String line)

{

//findtext= line;

line.getChars(0,line.length()-1,text,totle);

totle+= line.length();

// text[totle]= '\n';

// totle++;

// sc.length[lcount]= line.length()+1;

// lcount++;

repaint();

}

public String getText()

{

char[] ret= new char[totle];

for(int i=0;i<totle;i++)

ret[i]= text[i];

return (new String(ret));

}

public void movecusor(int x,int y)

{

cus.linex= (int)((x-3)/cus.w);

cus.liney= (int)((y-3*fh)/cus.h)+1;

int i=0;

cus.index=0;

for(;i< cus.liney+sc.offsety-1;i++)

cus.index+= sc.length[i];

cus.index+=cus.linex-1+sc.offsetx;

cus.cusorx= (cus.linex-1)*cus.w+3;

cus.cusory= cus.liney*cus.h;

cus.paint(getGraphics());

}

public void keycusor(int x,int y)

{

cus.linex+= x;

cus.liney+= y;

cus.cusorx+= x*cus.w;

cus.cusory+= y*cus.h;

int i=0;

cus.index=0;

for(;i<cus.liney+sc.offsety-1;i++)

cus.index+= sc.length[i];

cus.index+=cus.linex-1+sc.offsetx;

cus.paint(getGraphics());

}

public void add(char ch)

{

if(totle==0)

totle= 1;

for(int i= totle;i>=cus.index;i--)

text[i]= text[i-1];

text[cus.index]= ch;

totle++;

sc.length[cus.liney]+= 1;

repaint();

if(ch=='\n')

{

cus.linex= 1;

cus.liney+= 1;

cus.cusorx= 3;

cus.cusory= cus.liney*cus.h;

cus.index++;

}else

keycusor(1,0);

}

public void adds()

{

totle+= sel.count;

int i;

for(i= totle-1;i>(cus.index+sel.count);i--)

text[i]= text[i-sel.count];

for(int j= sel.count;j>0;j--,i--)

text[i]= sel.sels[j-1];

sel.count= 0;

repaint();

}

public void del(int de)

{

if(de<0)

{

for(int i= cus.index-1;i<totle;i++)

text[i]= text[i+1];

keycusor(-1,0);

}

if(de>0)

for(int i= cus.index;i<totle;i++)

text[i]= text[i+1];

totle--;

repaint();

}

public void dels()

{

if(sel.count<0)

{

int end= -sel.count;

for(int i= sel.index;i<totle;i++)

text[i]= text[i+end+2];

}

if(sel.count>0)

{

int end= sel.index+1;

for(int i= end;i<totle;i++)

text[i-sel.count]= text[i];

}

totle-= sel.count;

//sel.count= 0;

repaint();

}

public void selrep()

{

draw(getGraphics());

}

public void drag(int x,int y)

{

sel.linex= (int)((x-3)/cus.w);

sel.liney= (int)((y-3*fh)/cus.h)+1;

int i=0;

sel.index=0;

for(;i< sel.liney+sc.offsety-1;i++)

sel.index+= sc.length[i];

sel.index+=sel.linex-1+sc.offsetx;

sel.count= sel.index- cus.index+1;

if(sel.index!= cus.index)

{

select= true;

selold= true;

repaint();

}

}

private void drawselect(Graphics g)

{

int ji= 0;

paint_x= 3-(int)(sc.offsetx*cus.w);

paint_y= fh-(int)(sc.offsety*fh);

for(int i=0;i< totle;i++)

{

if(text[i]=='\n')

{

paint_x = 3-(int)(sc.offsetx*cus.w);

paint_y+=cus.h;

i++;

}

fw= fm.charWidth(text[i]);

if(sel.index>cus.index)

{

if((i< totle)&&(i<=sel.index)&&(i>=cus.index))

{

sel.sels[ji]= text[i];

ji++;

g.setColor(Color.blue);

g.fillRect(paint_x,paint_y-fh,fw+1,fh);

g.setColor(Color.white);

g.drawChars(text,i,1,paint_x,paint_y);

}

}else

if((i< totle)&&(i>=sel.index)&&(i<=cus.index))

{

sel.sels[ji]= text[i];

ji++;

g.setColor(Color.blue);

g.fillRect(paint_x,paint_y-fh,fw+1,fh);

g.setColor(Color.white);

g.drawChars(text,i,1,paint_x,paint_y);

}

paint_x+= fw;

}

}

public void home()

{

cus.linex= 1;

int i=0;

cus.index=0;

for(;i< cus.liney+sc.offsety-1;i++)

cus.index+= sc.length[i];

cus.index+=cus.linex-1+sc.offsetx;

cus.cusorx= 3;

cus.paint(getGraphics());

}

public void end()

{

cus.linex= sc.length[cus.liney-1]-1;

int i=0;

cus.index=0;

for(;i< cus.liney+sc.offsety-1;i++)

cus.index+= sc.length[i];

cus.index+=cus.linex-1+sc.offsetx;

cus.cusorx= (cus.linex-1)*cus.w+3;

cus.paint(getGraphics());

}

public void pagedown()

{

if(sc.maxline>2*sc.h)

{

sc.offsety+= sc.h;

fr.vert.setValue(sc.offsety);

draw(getGraphics());

fr.vert.setValue(sc.offsety);

}

}

public void pageup()

{

if((sc.offsety-sc.h)>=0)

{

sc.offsety-=sc.h;

draw(getGraphics());

fr.vert.setValue(sc.offsety);

}

}

public void scrollpaint(int x1,int x2)

{

sc.offsetx= x1;

sc.offsety= x2;

// getGraphics().translate(-x1,-x2);

draw(getGraphics());

}

public void setFont(Font cuf)

{

Ffont= cuf;

//paint= true;

repaint();

}

public void setColor(Color col)

{

Bcolor= col;

// paint= true;

repaint();

}

public void rep()

{

repaint();

}

private void draw(Graphics g)

{

findtext= new String(text,0,totle);

int findi= findcount;

int aa= 0;//用于记录starti

int c1= 0;//记录行的数目

int c2= 0;//记录每行的字节数

int c3= 0; //最大列数

g.setFont(Ffont);

g.setColor(Color.white);

g.fillRect(3,2,sz.width,sz.height);

g.setColor(Bcolor);

paint_x= 3-(int)(sc.offsetx*cus.w);

paint_y= fh-(int)(sc.offsety*fh);

for(int i=0;i< totle;i++)

{

if(text[i]=='\n')

{

paint_x = 3-(int)(sc.offsetx*cus.w);

paint_y+=cus.h;

//i++;

sc.length[c1]= c2+1;

c1++;

if(c2>c3)

c3= c2;

c2= 0;

}else

if(i< totle)

{

fw= fm.charWidth(text[i]);

g.setColor(Bcolor);

g.drawChars(text,i,1,paint_x,paint_y);

if(i== findindex[findi]&&bfind)

{

if(findi>0)

findi--;

g.setColor(Color.blue);

g.fillRect(paint_x,paint_y-fh+2,fw+1,fh);

g.setColor(Color.white);

g.drawChars(text,i,1,paint_x,paint_y);

}

paint_x+= fw;

c2++;

}

}

c1+= 1;

sc.maxline= c1;

cus.paint(g);

if(c3> sc.w)

fr.horz.setValues(0,sc.w,0,c3-sc.w);

if(c1> sc.h)

fr.vert.setValues(0,sc.h,0,c1-sc.h);

}

public void update(Graphics g)

{

sz= size();

g.setColor(Bcolor);

g.setFont(Ffont);

fm= g.getFontMetrics();

cus.h= fh= fm.getHeight();

cus.w= fw= fm.charWidth('A');

sc.h= (int)((sz.height-3)/fh)+1;

sc.w= (int)((sz.width-3)/fw)+1;

draw_downlines(g,0,0,sz.width,sz.height);

//g.clipRect(3,2,sz.width,sz.height);

if(select)

{

drawselect(g);

select= false;

}else

draw(g);

}

public void paint(Graphics g)

{

update(g);

}

public boolean mouseEnter(Event evt,int x,int y)

{

fr.setCursor(2);

return true;

}

public boolean mouseExit(Event evt,int x,int y)

{

fr.setCursor(0);

return true;

}

public void find(String find,int dire)

{

bfind= true;

findcount =0;

String sss= findtext;

for(int i=0;i<100;i++)

findindex[i]= 0;

int j=0;

while(true)

{

if(sss.indexOf(find)==-1)

break;

findindex[j]= sss.lastIndexOf(find);

sss= sss.substring(0,findindex[j]);

j++;

findcount++;

}

repaint();

selold= true;

}

}

public class MainF extends Frame implements I_Method

{

private W_quick Lshow;

private FileDialog openDialog;

private FileDialog saveDialog;

public Scrollbar horz,vert;

private MenuBar menuBar;

private Panel File_panel,Back_p;

private Panel Back_panels[];

private int screenw,screenh;

private Color Fcolor= Color.black;

private Font Ffont= new Font("TimesRoman",Font.PLAIN,14);

private int Fwidth,Fheight;

private int[] bookmarks= new int[20];

//**************

public P_area current_t;

private int i1;

private int iii=0;

private boolean insert= false;

boolean begin= false;//用于标志是否开始选中

boolean end= false;

private int sel1= 0;

private int sel2= 0;

MenuItem eitem;

MenuItem eitem1;

MenuItem eitem2;

public MenuItem eitem3;

MainF(String title)

{

super(title);

Font font= new Font("TimesRoman",Font.BOLD,20);

setFont(font);

setBackground(Color.lightGray);

horz= new Scrollbar(Scrollbar.HORIZONTAL,0,0,0,0);

vert= new Scrollbar(Scrollbar.VERTICAL,0,0,0,0);

// show();

addMenu();

init();

Lshow= new W_quick(this,this,0,0);

openDialog= new FileDialog(this,"Open File...",FileDialog.LOAD);

saveDialog= new FileDialog(this,"Save File...",FileDialog.SAVE);

}

private void init()

{

setLayout(new BorderLayout());

File_panel= new Panel();

File_panel.setBackground(Color.lightGray);

Panel pp= new Panel();

pp.setLayout(new BorderLayout(2,2));

current_t= new P_area(this,Ffont,Fcolor,"aa","aa");

pp.add("Center",current_t);

pp.add("South",horz);

pp.add("East",vert);

add("South",File_panel);

add("Center",pp);

Dimension screen_size= Toolkit.getDefaultToolkit().getScreenSize();

screenw=screen_size.width;

screenh= screen_size.height-16;

reshape(16,16,screen_size.width-32,screen_size.height-32);

show();

}

private void addMenu()

{

menuBar= new MenuBar();

setMenuBar(menuBar);

Menu menu= new Menu("File");

Menu menu1= new Menu("Edit");

Menu menu2= new Menu("Option");

menuBar.add(menu);

menuBar.add(menu1);

menuBar.add(menu2);

MenuItem fitem= new MenuItem("New");

menu.add(fitem);

MenuItem fitem1= new MenuItem("Open");

menu.add(fitem1);

MenuItem fitem2= new MenuItem("Close");

menu.add(fitem2);

menu.addSeparator();

MenuItem fitem3= new MenuItem("Save");

menu.add(fitem3);

MenuItem fitem4= new MenuItem("Save As");

menu.add(fitem4);

menu.addSeparator();

MenuItem fitem5= new MenuItem("Quit");

menu.add(fitem5);

menu1.add(new MenuItem("Undo"));

menu1.add(new MenuItem("Redo"));

menu1.addSeparator();

eitem= new MenuItem("Cut");

menu1.add(eitem);

eitem.enable(false);

eitem1= new MenuItem("Copy");

eitem1.enable(false);

menu1.add(eitem1);

eitem2= new MenuItem("Paste");

menu1.add(eitem2);

eitem2.enable(false);

menu1.addSeparator();

eitem3= new MenuItem("Delete");

menu1.add(eitem3);

eitem3.enable(false);

MenuItem eitem6= new MenuItem("Bookmark");

menu1.add(eitem6);

menu1.addSeparator();

MenuItem eitem4= new MenuItem("Find");

menu1.add(eitem4);

MenuItem eitem5= new MenuItem("Repace");

menu1.add(eitem5);

MenuItem oitem= new MenuItem("Color");

menu2.add(oitem);

MenuItem oitem1= new MenuItem("Font");

menu2.add(oitem1);

}

public void setQuit()

{

this.dispose();

System.exit(0);

}

public void setfont(Font f)

{

Ffont= f;

current_t.setFont(f);

repaint();

}

public void setcolor(Color c)

{

Fcolor= c;

current_t.setColor(c);

repaint();

}

public void paint(Graphics g)

{

if(Ffont!= null)

g.setFont(Ffont);

}

public void read(String fn,String fd)

{

current_t.setname(fn,fd);

String line= null;

String input= null;

File s= new File(fd,fn);

FileInputStream in= null;

DataInputStream datain= null;

try

{

in= new FileInputStream(s);

datain = new DataInputStream(in);

}catch(Exception e)

{

System.out.println("Unable to open file");

return;

}

try{

while((line=datain.readLine())!= null)

{

line+= "\n";

if(input== null)

input= line;

else

input+= line;

}

}catch(IOException e){

System.out.println("Error in reading file");

}

current_t.open(input);

try{

in.close();

}catch(IOException e){

System.out.println("e");

}

}

public void write(String fn,String fd)

{

FileOutputStream out= null;

File s= new File(fd,fn);

try{

out= new FileOutputStream(s);

}catch(Exception e)

{

System.out.println("Unable to open file");

return;

}

PrintStream psOut=new PrintStream(out);

psOut.print(current_t.getText());///

try{

out.close();

}catch(IOException e){

System.out.println("e");

}

}

public boolean keyDown(Event evt,int key)

{

System.out.println(key);

switch(key)

{

case 1004://up

current_t.keycusor(0,-1);

return true;

case 1005://down

current_t.keycusor(0,1);

return true;

case 1006:

current_t.keycusor(-1,0);

return true;

case 1007:

current_t.keycusor(1,0);

return true;

case 8:

current_t.del(-1);

return true;

case 127:

current_t.del(1);

return true;

case 1001://end

current_t.end();

return true;

case 1000://home

current_t.home();

return true;

case 1002:

current_t.pageup();

return true;

case 1003:

current_t.pagedown();

return true;

}

// if(!current_t.border)

// current_t.addchar((char)evt.key);

// else

current_t.add((char)evt.key);

return true;

}

public boolean mouseDown(Event evt,int x,int y)

{

//****单击右键*******************不完整

eitem.enable(false);

eitem1.enable(false);

eitem3.enable(false);

current_t.bfind= false;

if((evt.modifiers&Event.META_MASK)>0)

{

Lshow.show(evt.x,evt.y);

return false;

}else

{

Lshow.hide();

begin= true;

current_t.movecusor(evt.x,evt.y);

if(current_t.selold)

{

current_t.selold= false;

current_t.selrep();

}

}

if(end)

{

// current_t.rep();

// current_t.paint =true;

end= false;

}

return false;

}

public boolean mouseDrag(Event evt,int x,int y)

{

eitem.enable(true);

eitem1.enable(true);

eitem3.enable(true);

current_t.drag(evt.x,evt.y);

//}

return true;

}

public boolean handleEvent(Event evt)

{

if(evt.id== Event.WINDOW_DESTROY)

{

W_quit aa= new W_quit(this,this);

aa.show();

return true;

}

switch(evt.id)

{

case 601:

case 602:

case 603:

case 604:

case 605:

//current_t.offsety= (vert.getValue());

// current_t.offsetx= (horz.getValue());

// current_t.paint= true;

// current_t.rep();

current_t.scrollpaint(horz.getValue(),vert.getValue());

vert.setValue(current_t.sc.offsety);

horz.setValue(current_t.sc.offsetx);

return true;

}

return super.handleEvent(evt);

}

public boolean action(Event evt,Object arg)

{

String filename;

if(evt.target instanceof MenuItem)

{

if(evt.arg.equals("New"))

{

return true;

}

if(evt.arg.equals("Open"))

{

openDialog.show();

String fn= openDialog.getFile();

String filedir= openDialog.getDirectory();

read(fn,filedir);

return true;

}

if(evt.arg.equals("Save"))

{

write(current_t.filename,current_t.filedir);

return true;

}

if(evt.arg.equals("Save As"))

{

saveDialog.show();

filename= saveDialog.getFile();

String filedir= openDialog.getDirectory();

write(filename,filedir);

return true;

}

if(evt.arg.equals("Quit"))

{

System.exit(0);

}

if(evt.arg.equals("Cut"))

{

current_t.dels();

eitem.enable(false);

eitem1.enable(false);

eitem3.enable(false);

eitem2.enable(true);

return true;

}

if(evt.arg.equals("Paste"))

{

current_t.adds();

eitem2.enable(false);

eitem.enable(false);

eitem1.enable(false);

eitem3.enable(false);

return true;

}

if(evt.arg.equals("Copy"))

{

eitem.enable(false);

eitem1.enable(false);

eitem3.enable(false);

eitem2.enable(true);

return true;

}

if(evt.arg.equals("Delete"))

{

current_t.dels();

eitem3.enable(false);

eitem.enable(false);

eitem1.enable(false);

eitem2.enable(false);

return true;

}

if(evt.arg.equals("Close"))

{

current_t.totle= 0;

current_t.rep();

return true;

}

if(evt.arg.equals("Find"))

{

new outPanel(this);

return true;

}

if(evt.arg.equals("Font"))

{

new D_font(this,this,screenw,screenh);

return true;

}

if(evt.arg.equals("Color"))

{

new D_color(this,this,screenw,screenh);

return true;

}

}

/*else if(evt.target instanceof Button)

{

} */

return false;

}

public void Find(String find,int dire)

{

current_t.find(find,dire);

System.out.println(find);

}

public static void main(String[] args)

{

MainF ff= new MainF("文本编译器");

}

}

class outPanel extends Dialog

{

MainF fr;

Label lbname; //name label

TextField tfname; //entry field

outlinePanel psex; //two outlined panels]

CheckboxGroup cbsex;

Checkbox up,down,boxc; //2 radios

Button OK, Cancel; //two pushbuttons

GridBagConstraints gbc;

GridBagLayout gbl;

int dire= 1;

public outPanel(MainF fr)

{

super(fr,"查找",true);

this.fr= fr;

setFont(new Font("Helvetica", Font.PLAIN, 12));

setBackground(Color.lightGray);

gbl =new GridBagLayout();

gbc = new GridBagConstraints();

setLayout(gbl);

gbc.ipadx = 5; //make buttons wider

gbc.ipady = 3; //make buttons higher

gbc.insets.left =6;

gbc.insets.right =6;

gbc.insets.bottom =4;

gbc.insets.top =4;

gbc.weightx =1;

gbc.weighty =1;

lbname = new Label("查找目标:"); //label

add_component(lbname, 0,0,1,1);

tfname = new TextField(20); //text entry field

add_component(tfname, 1,0,3,1);

//panel with two buttons for sex

boxc= new Checkbox("区分大小写");

add_component(boxc, 0,2,1,1);

psex = new outlinePanel(); //first panel

add_component(psex, 1,1,3,2); //insert in layout

//put two radio buttons in panel

up = psex.addCheckbox("向上", false);

down = psex.addCheckbox("向下", true);

psex.resize(148,53);

//add two command buttons to bottom

OK = new Button("找下一个"); //buttons at bottom

Cancel = new Button("取消");

add_component(OK,4,0,1,1);

add_component(Cancel,4,2,1,1);

reshape(100,100, 380,146);

show();

}

//--------------------------------------

private void add_component(Component c, int x, int y, int w, int h)

{

gbc.gridx = x;

gbc.gridy = y;

gbc.gridwidth = w;

gbc.gridheight =h;

add(c);

gbl.setConstraints(c, gbc);

}

//--------------------------------------

public boolean action(Event evt, Object arg)

{

if(evt.target== OK)

{

String ss= tfname.getText();

if(boxc.getState())

{

ss.toLowerCase();

fr.Find(ss,dire);

}else

fr.Find(ss,dire);

}

if (evt.target == Cancel)

{

dispose();

return true;

}

if(evt.target== up)

{

dire=-1;

}

if(evt.target== down)

{

dire= 1;

}

if(evt.target== boxc)

{

}

return super.action(evt, arg);

}

}

//*///=======================================

class outlinePanel extends Panel

{

CheckboxGroup cbg;

int yposn;

Vector cblist;

//--------------------------------------

public outlinePanel()

{

super();

cbg = new CheckboxGroup(); //for radio buttons

setLayout(null);

yposn = 3;

cblist = new Vector();

}

//--------------------------------------

public void reshape(int x, int y, int w, int h)

{

super.reshape(x,y,w,h);

for (int i=0; i< cblist.size(); i++)

{

Component c = (Component)cblist.elementAt(i);

c.reshape(c.location().x, c.location().y, w-6, c.size().height);

}

}

//--------------------------------------

public Component add(Component c)

{

super.add(c);

return c;

}

//--------------------------------------

public Checkbox addCheckbox(String s, boolean checked)

{

Checkbox cb = new Checkbox(s, cbg, checked);

add(cb);

cblist.addElement(cb);

cb.reshape(3, yposn, 50, 12);

yposn += 15;

return cb;

}

//--------------------------------------

public void paint(Graphics g)

{

Dimension sz = size();

Point pt = location();

g.setColor(Color.darkGray); // graw rectangle

g.drawRect(0, 0, sz.width-2, sz.height-2);

//outline gray rectangle with 2 white inner lines

g.setColor(Color.white);

g.drawLine(1, 1, sz.width-3, 1);

g.drawLine(1, 1, 1, sz.height-3);

//and two white outer lines

g.drawLine(0,sz.height-1,sz.width-1,sz.height-1);

g.drawLine(sz.width-1, 0, sz.width-1, sz.height-1);

}

//--------------------------------------

}

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