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Added feature to empty databases as soon as test is over
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@shivhek25
shivhek25 committed Dec 22, 2017
1 parent cdf1aef commit a625aeb
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Showing 2 changed files with 73 additions and 53 deletions.
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126 changes: 73 additions & 53 deletions OnlineTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -54,65 +54,81 @@ class OnlineTest extends JFrame implements ActionListener
}
public void actionPerformed(ActionEvent e)
{
if(e.getSource()==b1 && current ==9 ) //if all 10 questions have been displayed and user clicks on next, i.e., no more questions are available to be displayed
try
{
adduserans(); //adding user's response to the 10th question
JOptionPane.showMessageDialog(this,"No more questions. Please go back to previous question or end test and see result.\n");
}
else if(e.getSource()==b1) //if user clicks on start/next and there are more questions available to be displayed
{
if(current == -1) //if user hasn't started test yet, i.e., she/he clicks on "start" button
Class.forName("com.mysql.jdbc.Driver");
Connection con = DriverManager.getConnection("jdbc:mysql:///qa","root","shivhek25@mysql"); //connecting to database 'qa'
Statement stmt = con.createStatement();
if(e.getSource()==b1 && current ==9 ) //if all 10 questions have been displayed and user clicks on next, i.e., no more questions are available to be displayed
{
StartTime = System.currentTimeMillis(); //stores time when user starts test
b1.setText("Next"); //setting text of b1 button to "next"
adduserans(); //adding user's response to the 10th question
JOptionPane.showMessageDialog(this,"No more questions. Please go back to previous question or end test and see result.\n");
}
else
adduserans(); //adding user's response to the question
current++; //incrementing counter of questions countered
setnext(); //setting next question
}
else if(e.getSource()==b2 && current ==0 ) //if user clicks on previous button and there are no more questions available to be displayed
{
adduserans();
JOptionPane.showMessageDialog(this,"No more questions. Please go back to next question or end test and see result.\n");
}
else if(e.getSource()==b2) //if user clicks on previous and there are more questions available to be displayed
{
current--; //decrementing counter of questions countered
adduserans();
setnext();
}
else if(e.getActionCommand().equals("Result")) //if user clicks on result button
{
EndTime = System.currentTimeMillis(); //stores time when user ends test
EndTime-=StartTime; //stores time taken by user to give test in milliseconds
EndTime/=1000; //stores time taken by user to give test in seconds
if(EndTime>=60) // if time can be expressed in minutes or hours
{
seconds = EndTime%60; //calculating seconds
EndTime/=60; //calculating minutes
flag=1;
if(EndTime>=60) //if time can be expressed in hours
else if(e.getSource()==b1) //if user clicks on start/next and there are more questions available to be displayed
{
if(current == -1) //if user hasn't started test yet, i.e., she/he clicks on "start" button
{
flag=2;
minutes=EndTime%60; //calculating minutes
EndTime/=60; //calculating hours
StartTime = System.currentTimeMillis(); //stores time when user starts test
b1.setText("Next"); //setting text of b1 button to "next"
}
else
adduserans(); //adding user's response to the question
current++; //incrementing counter of questions countered
setnext(); //setting next question
}
else if(e.getSource()==b2 && current ==0 ) //if user clicks on previous button and there are no more questions available to be displayed
{
adduserans();
JOptionPane.showMessageDialog(this,"No more questions. Please go back to next question or end test and see result.\n");
}
current++;
check(); //checks user's responses against correct responses stored in database
if(flag==0)
a = JOptionPane.showConfirmDialog(this,"Attempted questions: "+attempted+" / 10\nTime taken: "+EndTime+" seconds\nYour Score: "+count+" / 10\nPercentage: "+(count*10)+" %\nDo you wish to see the answer key ?");
else if(flag==1)
a = JOptionPane.showConfirmDialog(this,"Attempted questions: "+attempted+" / 10\nTime taken: "+EndTime+" minutes "+seconds+" seconds\nYour Score: "+count+" / 10\nPercentage: "+(count*10)+" %\nDo you wish to see the answer key ?");
else
a = JOptionPane.showConfirmDialog(this,"Attempted questions: "+attempted+" / 10\nTime taken: "+EndTime+" hours "+minutes+" minutes "+seconds+" seconds\nYour Score: "+count+" / 10\nPercentage: "+(count*10)+" %\nDo you wish to see the answer key ?");
//displays number of attempted questions, total score and percentage
if(a==JOptionPane.YES_OPTION) //checks if user wants to see answer key or not
showAnswerKey();
else
System.exit(0); //closes interface and exits
}
else if(e.getSource()==b2) //if user clicks on previous and there are more questions available to be displayed
{
current--; //decrementing counter of questions countered
adduserans();
setnext();
}
else if(e.getActionCommand().equals("Result")) //if user clicks on result button
{
EndTime = System.currentTimeMillis(); //stores time when user ends test
EndTime-=StartTime; //stores time taken by user to give test in milliseconds
EndTime/=1000; //stores time taken by user to give test in seconds
if(EndTime>=60) // if time can be expressed in minutes or hours
{
seconds = EndTime%60; //calculating seconds
EndTime/=60; //calculating minutes
flag=1;
if(EndTime>=60) //if time can be expressed in hours
{
flag=2;
minutes=EndTime%60; //calculating minutes
EndTime/=60; //calculating hours
}
}
current++;
check(); //checks user's responses against correct responses stored in database
if(flag==0)
a = JOptionPane.showConfirmDialog(this,"Attempted questions: "+attempted+" / 10\nTime taken: "+EndTime+" seconds\nYour Score: "+count+" / 10\nPercentage: "+(count*10)+" %\nDo you wish to see the answer key ?");
else if(flag==1)
a = JOptionPane.showConfirmDialog(this,"Attempted questions: "+attempted+" / 10\nTime taken: "+EndTime+" minutes "+seconds+" seconds\nYour Score: "+count+" / 10\nPercentage: "+(count*10)+" %\nDo you wish to see the answer key ?");
else
a = JOptionPane.showConfirmDialog(this,"Attempted questions: "+attempted+" / 10\nTime taken: "+EndTime+" hours "+minutes+" minutes "+seconds+" seconds\nYour Score: "+count+" / 10\nPercentage: "+(count*10)+" %\nDo you wish to see the answer key ?");
//displays number of attempted questions, total score and percentage
if(a==JOptionPane.YES_OPTION) //checks if user wants to see answer key or not
showAnswerKey();
else
{
stmt.executeUpdate("delete from ua");
stmt.executeUpdate("delete from stuua");
stmt.executeUpdate("delete from stuqao");
stmt.executeUpdate("delete from qao");
System.exit(0); //closes interface and exits
}
}
}
catch(Exception ex)
{
System.out.println("actionPerformed"+ex);
}
}
void welcome() //Welcome Message
{
Expand Down Expand Up @@ -339,6 +355,10 @@ void showAnswerKey() //function to print answer key if requested for
answerkey+=" 10"+" "+s1+" "+s2+"\n";
}
JOptionPane.showMessageDialog(this,answerkey); //prints answer key
stmt.executeUpdate("delete from ua");
stmt.executeUpdate("delete from stuua");
stmt.executeUpdate("delete from stuqao");
stmt.executeUpdate("delete from qao");
System.exit(0);
con.close();
}
Expand Down

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