add: text editor project in java

Author: singodiyashubham87

textEditor.java

@@ -0,0 +1,201 @@
+ import java.awt.*;  
+ import java.awt.event.*;  
+ import java.io.*;  
+ import java.util.*;  
+ //Texteditor class starts here  
+ class Texteditor extends Frame implements ActionListener  
+ {  
+ TextArea ta=new TextArea();  
+ int i,len1,len,pos1;  
+ String str="",s3="",s2="",s4="",s32="",s6="",s7="",s8="",s9="";  
+ String months[]={"January","February","March","April","May","June","July","August","September","October","November","December"};  
+ CheckboxMenuItem chkb=new CheckboxMenuItem("Word Wrap");  
+ public Texteditor()  
+ {  
+ MenuBar mb=new MenuBar();  
+ setLayout(new BorderLayout());  
+ add("Center",ta);  
+ setMenuBar(mb);  
+ Menu m1=new Menu("File");  
+ Menu m2=new Menu("Edit");  
+ Menu m3=new Menu("Tools");  
+ Menu m4=new Menu("Help");  
+ mb.add(m1);  
+ mb.add(m2);  
+ mb.add(m3);  
+ mb.add(m4);  
+ MenuItem mi1[]={  
+ new MenuItem("New"),new MenuItem("Open"),new MenuItem("Save")  
+ ,new MenuItem("Save As"),new MenuItem("Page Setup")  
+ ,new MenuItem("Print"),new MenuItem("Exit")  
+ };  
+ MenuItem mi2[]={new MenuItem("Delete"),new MenuItem("Cut"),  
+ new MenuItem("Copy"),new MenuItem("Paste"),new MenuItem("Find"),  
+ new MenuItem("Find Next"),new MenuItem("Replace"),  
+ new MenuItem("Go To"),new MenuItem("Select All"),  
+ new MenuItem("Time Stamp")};  
+ MenuItem mi3[]={new MenuItem("Choose Font"),new MenuItem("Compile"),  
+ new MenuItem("Run")};  
+ MenuItem mi4[]={new MenuItem("Help Topics"),  
+ new MenuItem("About Texteditor")};  
+ for(int i=0;i<len1;i++ )="" <br=""> {  
+ m1.add(mi1[i]);  
+ mi1[i].addActionListener(this);  
+ }  
+ for(int i=0;i<len1;i++) {="" <br=""> m2.add(mi2[i]);  
+ mi2[i].addActionListener(this);  
+ }  
+ m3.add(chkb);  
+ chkb.addActionListener(this);  
+ for(int i=0;i<len1;i++ )="" <br=""> {  
+ m3.add(mi3[i]);  
+ mi3[i].addActionListener(this);  
+ }  
+ for(int i=0;i<len1;i++) <br=""> {  
+ m4.add(mi4[i]);  
+ mi4[i].addActionListener(this);  
+ }  
+ MyWindowsAdapter mw=new MyWindowsAdapter(this);  
+ addWindowListener(mw);  
+ setSize(500,500);  
+ setTitle("untitled notepad");  
+ setVisible(true);  
+ }  
+ public void actionPerformed(ActionEvent ae)  
+ {  
+ String arg=(String)ae.getActionCommand();  
+ if(arg.equals("New"))  
+ { dispose();  
+ Texteditor t11=new Texteditor();  
+ t11.setSize(500,500);  
+ t11.setVisible(true);  
+ }  
+ try {  
+ if(arg.equals("Open"))  
+ {  
+ FileDialog fd1=new FileDialog(this,"Select File",FileDialog.LOAD);  
+ fd1.setVisible(true);  
+ String s4="";  
+ s2=fd1.getFile();  
+ s3=fd1.getDirectory();  
+ s32=s3+s2;  
+ File f=new File(s32);  
+ FileInputStream fii=new FileInputStream(f);  
+ len=(int)f.length();  
+ for(int j=0;j<len1;j++ )="" <br=""> {  
+ char s5=(char)fii.read();  
+ s4=s4 + s5;  
+ }  
+ ta.setText(s4);  
+ }  
+ }  
+ catch(IOException e)  
+ {  
+ }  
+ try  
+ {  
+ if(arg.equals("Save As"))  
+ {  
+ FileDialog dialog1=new FileDialog(this,"Save As",FileDialog.SAVE);  
+ dialog1.setVisible(true);  
+ s7=dialog1.getDirectory();  
+ s8=dialog1.getFile();  
+ s9=s7+s8+".txt";  
+ s6=ta.getText();  
+ len1=s6.length();  
+ byte buf[]=s6.getBytes();  
+ File f1=new File(s9);  
+ FileOutputStream fobj1=new FileOutputStream(f1);  
+ for(int k=0;k<len1;k++) <br=""> {  
+ fobj1.write(buf[k]);  
+ }  
+ fobj1.close();  
+ }  
+ this.setTitle(s8 +" Texteditor File");  
+ }  
+ catch(IOException e){}  
+ if(arg.equals("Exit"))  
+ {  
+ System.exit(0);  
+ }  
+ if(arg.equals("Cut"))  
+ {  
+ str=ta.getSelectedText();  
+ i=ta.getText().indexOf(str);  
+ ta.replaceRange(" ",i,i+str.length());  
+ }  
+ if(arg.equals("Copy"))  
+ {  
+ str=ta.getSelectedText();  
+ }  
+ if(arg.equals("Paste"))  
+ {  
+ pos1=ta.getCaretPosition();  
+ ta.insert(str,pos1);  
+ }  
+ if(arg.equals("Delete"))  
+ {  
+ String msg=ta.getSelectedText();  
+ i=ta.getText().indexOf(msg);  
+ ta.replaceRange(" ",i,i+msg.length());  
+ msg="";  
+ }  
+ if(arg.equals("Select All"))  
+ {  
+ String strText=ta.getText();  
+ int strLen=strText.length();  
+ ta.select(0,strLen);  
+ }  
+ if(arg.equals("Time Stamp"))  
+ {  
+ GregorianCalendar gcalendar=new GregorianCalendar();  
+ String h=String.valueOf(gcalendar.get(Calendar.HOUR));  
+ String m=String.valueOf(gcalendar.get(Calendar.MINUTE));  
+ String s=String.valueOf(gcalendar.get(Calendar.SECOND));  
+ String date=String.valueOf(gcalendar.get(Calendar.DATE));  
+ String mon=months[gcalendar.get(Calendar.MONTH)];  
+ String year=String.valueOf(gcalendar.get(Calendar.YEAR));  
+ String hms="Time"+" - "+h+":"+m+":"+s+" Date"+" - "+date+" "+mon+" "+year+" ";  
+ int loc=ta.getCaretPosition();  
+ ta.insert(hms,loc);  
+ }  
+ if(arg.equals("About Texteditor"))  
+ {  
+ AboutDialog d1=new AboutDialog(this,"About Texteditor");  
+ d1.setVisible(true);  
+ setSize(500,500);  
+ }  
+ }//Action pereformed end  
+ public class MyWindowsAdapter extends WindowAdapter  
+ {  
+ Texteditor tt;  
+ public MyWindowsAdapter(Texteditor ttt)  
+ {  
+ tt=ttt;  
+ }  
+ public void windowClosing(WindowEvent we)  
+ {  
+ tt.dispose();  
+ }  
+ }//Inner class winadapter end....  
+ }//End of Texteditor class  
+ public class balls  
+ { public static void main(String args[])  
+ {  
+ Texteditor to=new Texteditor();  
+ }  
+ }  
+ class AboutDialog extends Dialog implements ActionListener  
+ {  
+ AboutDialog(Frame parent,String title)  
+ {  
+ super(parent,title,false);  
+ this.setResizable(false);  
+ setLayout(new FlowLayout(FlowLayout.LEFT));  
+ setSize(500,300);  
+ }  
+ public void actionPerformed(ActionEvent ae)  
+ {  
+ dispose();  
+ }  
+ }