Room Vacant

Room Vacant

Above UI we are going to create by AWT for Room Vacant for Student in our Hostel management system desktop application. For that first we create a window and configure its title, size and color. Here we are creating a window at Top Level so we can add this window at the top of any other window.

    
	frame = new JFrame("Room Vacant");
	Utils.centeredFrame(frame, winWidth, winHeight, "Room Vacant");
	frame.setResizable(false);
	Container mainContainer=frame.getContentPane();
	mainContainer.setBackground(Color.gray);

	panelWid = winWidth-winWidth/20;
	panelHig = winHeight-winHeight/10;
	        	
	JPanel panel = new JPanel();
	panel.setLayout(null);
	panel.setOpaque(false);
	panel.setBackground(Color.white);
	panel.setSize(new Dimension(winWidth-winWidth/20,winHeight-winHeight/10));
	panel.setLocation(winWidth/50,winHeight/40);
	mainContainer.add(panel,BorderLayout.CENTER);
    

After creation of window, we will add a canvas background.

    
	JComponent jcomponent=new Background(winWidth/50,winHeight/40,(winWidth-winWidth/20),winHeight-winHeight/10); 
	mainContainer.add(jcomponent,BorderLayout.CENTER);

    public class Background extends JComponent {
	
		int width, height,setX,setY;

    	public Background (int setX,int setY,int width, int height) {
    		this.width=width;
    		this.height=height;
    		this.setX=setX;
    		this.setY=setY;
    	
       		setSize(width, height);
    	}
	
    	@Override
    	public void paint(Graphics g) {
        	Graphics2D g2 = (Graphics2D) g;

        	g2.setPaint(Color.white);

        	double x = setX;
        	double y = setY;
        	double w = width;
        	double h = height;
        	RoundRectangle2D round=new RoundRectangle2D.Double(x, y, w, h, 80, 80);
        	g2.fill(round);
    	}

    
	}
    

Once your window is created with custom background, Here we Create Header.

     
    // for heading Layout
	Font headingFont = new Font("Lucida",Font.BOLD,22);
	Font textFont = new Font("Lucida",0,10);
	Border borderline = BorderFactory.createLineBorder(Color.black);
	        
	        
	heading = new JLabel("Room Vacant");
	heading.setHorizontalAlignment(JLabel.CENTER);
	heading.setVerticalAlignment(JLabel.CENTER);
	heading.setBackground(Color.decode("#80c2b2"));
	heading.setForeground(Color.black);
	heading.setFont(headingFont);
	heading.setBounds(0,panelHig/30, panelWid, panelHig/15);
	        
	panel.add(heading);
	        
	        
	JSeparator jSeparator1 = new JSeparator();
	jSeparator1.setBackground(Color.black);
	jSeparator1.setAlignmentX(JSeparator.CENTER_ALIGNMENT);
	jSeparator1.setBounds(20, 80,  winWidth-winWidth/12, panelHig/13);
	panel.add(jSeparator1);
        
    

We will create roompanel layout with some reduced dimensions and its UI.

    
    TitledBorder roomtTittle = BorderFactory.createTitledBorder(borderline);
	roomTittle.setTitleJustification(TitledBorder.LEFT);
	roomTittle.setTitleFont(textFont);
	roomTittle.setTitle("Search Room");
	roomTittle.setTitleColor(Color.black);

	roomPanel = new JPanel();

	roomPanel.setBounds(20,panelHig*15/100, winWidth*57/100, panelHig*42/100); //265
	roomPanel.setLayout(null);
	roomPanel.setName("Search Room");
	roomPanel.setBorder(flightTittle);
	roomPanel.setBackground(Color.white);
	panel.add(roomPanel);
	        
	        
	headingFont = new Font("Lucida",Font.BOLD,16);
	JLabel searchLabel = new JLabel("Search Room");
	searchLabel.setAlignmentX(JLabel.LEFT);
	searchLabel.setForeground(Color.black);
	searchLabel.setFont(headingFont);
	searchLabel.setBounds(20,panelHig*2/100, 150, panelHig*5/100);
	roomPanel.add(searchLabel);
		    
	ImageIcon backround_img = new ImageIcon("images/ic_search.png");
	Image img = backround_img.getImage();
	Image temp_img = img.getScaledInstance(20, 20, Image.SCALE_SMOOTH);
	backround_img = new ImageIcon(temp_img);
	JLabel background = new JLabel("", backround_img, JLabel.CENTER);
	background.setBounds(20,panelHig*6/100, 20, panelHig*3/100);
	roomPanel.add(background);
		    
	JTextField roomSearch = new JTextField(15);
	roomSearch.setBackground(Color.decode("#FFFFFF"));
	roomSearch.setForeground(Color.black);
	roomSearch.setBounds(40,panelHig*6/100, 150, 20);
	roomPanel.add(roomSearch);
		   
	roomSearch.getDocument().addDocumentListener(new DocumentListener() {
		@Override
		public void insertUpdate(DocumentEvent e) {
		    search(roomSearch.getText());
		}
		@Override
		public void removeUpdate(DocumentEvent e) {
		search(roomSearch.getText());
		}
		@Override
		public void changedUpdate(DocumentEvent e) {
			search(roomSearch.getText());
		}
		public void search(String str) {
		    if (str.length() == 0) {
		        sorter.setRowFilter(null);
		    } else {
		        sorter.setRowFilter(RowFilter.regexFilter(str));
		    }
		}
	});
		    
     
	room_table();
    

Here is our Room table:

    
    private void room_table() {		
			
		// TODO Auto-generated method stub
		String[] columnNames = {"Room No", "Price"};
			
		model = new DefaultTableModel();
		sorter = new TableRowSorter<>(model);
		model.setRowCount(0);

	    model.setColumnIdentifiers(columnNames); 

		roomTable = new JTable();
		roomTable.setRowSorter(sorter);
		roomTable.setBounds(20,panelHig*10/100, panelWid*40/100, panelHig*30/100);

		roomPanel.add(roomTable);
		roomTable.setModel(model);

		JScrollPane scrollPane = new JScrollPane(roomTable);
		scrollPane.setBounds(20,panelHig*10/100,panelWid*40/100, panelHig*30/100);
		roomTable.setFillsViewportHeight(true);
		roomPanel.add(scrollPane);
			
		DefaultTableCellRenderer centerRenderer = new DefaultTableCellRenderer();
		centerRenderer.setHorizontalAlignment( JLabel.CENTER );
		roomTable.getColumnModel().getColumn(0).setCellRenderer( centerRenderer );
		roomTable.getColumnModel().getColumn(1).setCellRenderer( centerRenderer );
			
			
		
		roomTable.getTableHeader().setFont(new Font("SansSerif", 1, 13));
		roomTable.getTableHeader().setBackground(Color.decode("#4287f5"));
		roomTable.getTableHeader().setForeground(Color.decode("#FFFFFF"));
			
		roomTable.getColumnModel().getColumn(0).setPreferredWidth(30);
		roomTable.getColumnModel().getColumn(1).setPreferredWidth(30);
		roomTable.setRowHeight(30);

			
			
			
		roomTable.getSelectionModel().addListSelectionListener(new ListSelectionListener(){
		    public void valueChanged(ListSelectionEvent event) {
		        	
		    	selected_room_number = roomTable.getValueAt(roomTable.getSelectedRow(),0).toString();
	        		
		        student_table_update(selected_room_number, roomTable.getValueAt(roomTable.getSelectedRow(),1).toString());

		    }
	
		});
			 
			room_table_update();
	
		}
        

Here Student layout and its UI:

    
	// Student table Base panel
		TitledBorder studentTittle = BorderFactory.createTitledBorder(borderline);
		studentTittle.setTitleJustification(TitledBorder.LEFT);
		studentTittle.setTitleFont(textFont);
		studentTittle.setTitle("Search Student");
		studentTittle.setTitleColor(Color.black);
		    
		studentPanel = new JPanel();
		studentPanel.setLayout(null);
		studentPanel.setBounds(20,panelHig*58/100, winWidth*57/100, panelHig*38/100); //265
		studentPanel.setName("Alloted Student");
		studentPanel.setBorder(studentTittle);
		studentPanel.setBackground(Color.white);
		panel.add(studentPanel);
		    
   
		    
		student_table();
    

Here is our Student table.


private void student_table() {		
	// TODO Auto-generated method stub
	String[] columnNames = {"Student Id","Name","Contact No",
	                		"Email Id","Address","Rent"};
			
	mode2 = new DefaultTableModel();
	mode2.setColumnIdentifiers(columnNames); 
			
	studentTable = new JTable();

	studentTable.setBounds(20,panelHig*5/100, winWidth*54/100,panelHig*30/100);
	
	studentPanel.add(studentTable);
	studentTable.setModel(mode2);

	JScrollPane scrollPane = new JScrollPane(studentTable);
	scrollPane.setBounds(20,panelHig*5/100, winWidth*54/100,panelHig*30/100);
	studentTable.setFillsViewportHeight(true);
	studentPanel.add(scrollPane);
			
	DefaultTableCellRenderer centerRenderer = new DefaultTableCellRenderer();
	centerRenderer.setHorizontalAlignment( JLabel.CENTER );
	studentTable.getColumnModel().getColumn(0).setCellRenderer( centerRenderer );
	studentTable.getColumnModel().getColumn(1).setCellRenderer( centerRenderer );
	studentTable.getColumnModel().getColumn(2).setCellRenderer( centerRenderer );
	studentTable.getColumnModel().getColumn(3).setCellRenderer( centerRenderer );
	studentTable.getColumnModel().getColumn(4).setCellRenderer( centerRenderer );
	studentTable.getColumnModel().getColumn(5).setCellRenderer( centerRenderer );
			
			
	studentTable.getTableHeader().setFont(new Font("SansSerif", 1, 13));
	studentTable.getTableHeader().setBackground(Color.decode("#4287f5"));
	studentTable.getTableHeader().setForeground(Color.decode("#FFFFFF"));
			
	studentTable.getColumnModel().getColumn(0).setPreferredWidth(30);
	studentTable.getColumnModel().getColumn(5).setPreferredWidth(30);
	studentTable.getColumnModel().getColumn(2).setPreferredWidth(40);
	studentTable.setRowHeight(30);

	studentTable.getSelectionModel().addListSelectionListener(new ListSelectionListener(){
		public void valueChanged(ListSelectionEvent event) {
			// do some actions here, for example
			// print first column value from selected row
			        	
			dft = (DefaultTableModel)selectedroomTable.getModel();
			dft.setRowCount(0);
			dft.getDataVector().removeAllElements();
			dft.fireTableDataChanged(); 
			Vector v2 = new Vector();
			v2.add(cel1);
			v2.add(cel2);
			v2.add(cel3);
			dft.addRow(v2);
		
		}
		
	});		
	
}

Here is action layout and Its UI.

	
	// Action table Base panel
	TitledBorder actionTittle = BorderFactory.createTitledBorder(borderline);
	actionTittle.setTitleJustification(TitledBorder.LEFT);
	actionTittle.setTitleFont(textFont);
	actionTittle.setTitle("Action");
	actionTittle.setTitleColor(Color.black);
		    
	actionPanel = new JPanel();
	actionPanel.setBorder(actionTittle);
	actionPanel.setBounds(winWidth*60/100,panelHig*15/100, winWidth*33/100, panelHig*81/100);
	actionPanel.setLayout(null);
	actionPanel.setName("Action");
	actionPanel.setBackground(Color.white);
	panel.add(actionPanel);
		    
		    
	JLabel room = new JLabel();
	room.setText("Selected Student :");
	room.setForeground(Color.black);
	room.setFont(new Font("Lucida",Font.BOLD,14));
	room.setSize(new Dimension(winWidth/3,winHeight/10));
	room.setLocation(30, panelHig*3/100); 
    actionPanel.add(room);
		    
          
	selected_room_table();
			

Here's Selected room table.


private void selected_room_table() {		
			
	// TODO Auto-generated method stub
	String[] columnNames = {"Student Id", "Name", "Rent" };
			
	model3 = new DefaultTableModel();

	model3.setColumnIdentifiers(columnNames); 
			
	selectedroomTable = new JTable();

	selectedroomTable.setBounds((winWidth*33/100)/2-panelWid*15/100,panelHig*10/100, panelWid*30/100, panelHig*10/100);
	actionPanel.add(selectedroomTable);
	selectedroomTable.setModel(model3);

	JScrollPane scrollPane = new JScrollPane(selectedroomTable);
	scrollPane.setBounds((winWidth*33/100)/2-panelWid*15/100,panelHig*10/100, panelWid*30/100,panelHig*10/100);
	selectedroomTable.setFillsViewportHeight(true);
	actionPanel.add(scrollPane);
			
	DefaultTableCellRenderer centerRenderer = new DefaultTableCellRenderer();
	centerRenderer.setHorizontalAlignment( JLabel.CENTER );
	selectedroomTable.getColumnModel().getColumn(0).setCellRenderer( centerRenderer );
	selectedroomTable.getColumnModel().getColumn(1).setCellRenderer( centerRenderer );
	selectedroomTable.getColumnModel().getColumn(2).setCellRenderer( centerRenderer );
			
			
		
	selectedroomTable.getTableHeader().setFont(new Font("SansSerif", 1, 13));
	selectedroomTable.getTableHeader().setBackground(Color.decode("#4287f5"));
	selectedroomTable.getTableHeader().setForeground(Color.decode("#FFFFFF"));
			
	selectedroomTable.getColumnModel().getColumn(0).setPreferredWidth(30);
	selectedroomTable.getColumnModel().getColumn(2).setPreferredWidth(30);
	selectedroomTable.setRowHeight(30);

}    

    

Now we add "PAYMENT" Button in action layout and its navigation logic for go to payment page.


	JButton payButton = new JButton(new ImageIcon(((new ImageIcon("images/button32.png")).getImage()).getScaledInstance(200, 50, java.awt.Image.SCALE_SMOOTH)));      
	payButton.setText("Payment");
	payButton.setContentAreaFilled(false);
	payButton.setBorder(null);
	payButton.setForeground(Color.white);
	payButton.setHorizontalTextPosition(JButton.CENTER);
	payButton.setVerticalTextPosition(JButton.CENTER);
	payButton.setFont(new Font("Lucida",Font.PLAIN,16)); 
	payButton.setBounds((winWidth*33/100)/2-100,panelHig*55/100, 200, 50);
		  
	        
	actionPanel.add(payButton);
	payButton.addActionListener(new ActionListener() {
	    @Override
	    public void actionPerformed(ActionEvent ae) {
	            	
	        new Payment(frame);
	            	
	    }
	});

Now we add "VACANT" Button in action layout and its logic for room vacant.


JButton addButton = new JButton(new ImageIcon(((new ImageIcon("images/button32.png")).getImage()).getScaledInstance(200, 50, java.awt.Image.SCALE_SMOOTH)));      
addButton.setText("Vacant");
addButton.setContentAreaFilled(false);
addButton.setBorder(null);
addButton.setForeground(Color.white);
addButton.setHorizontalTextPosition(JButton.CENTER);
addButton.setVerticalTextPosition(JButton.CENTER);
addButton.setFont(new Font("Lucida",Font.PLAIN,16));
addButton.setBounds((winWidth*33/100)/2-100,panelHig*45/100, 200, 50);
  
actionPanel.add(addButton);
addButton.addActionListener(new ActionListener() {
	@Override
	public void actionPerformed(ActionEvent ae) {
	    if(is_amount_paid) {
	            		
	        String status = "vacant";
	        String room_no = selected_room_number;
	            		
	            		
	        Connection conn = SQLiteJDBCDriverConnection.connect1();
		            			            	
		    try {
		        int result = JOptionPane.showConfirmDialog(null, "Do you want to vacant the Room?");
		            		
		        if(result == JOptionPane.YES_OPTION) {
		            			
		            			
		            String query = "update room set status = ? where room_no = ?";
			        PreparedStatement preparedStmt = conn.prepareStatement(query);
			        preparedStmt.setString(1, status);
			        preparedStmt.setString(2, room_no);

			        preparedStmt.executeUpdate();
		            			
		            			
		            			
		            String sql = "DELETE FROM room_alloted  WHERE room_number LIKE '%"+room_no+"%'";

			        Statement stmt  = conn.createStatement();
			        stmt.executeUpdate(sql);
			            		
			        sql = "DELETE FROM rent_payment  WHERE room_number LIKE '%"+room_no+"%'";

			        stmt  = conn.createStatement();
			        stmt.executeUpdate(sql);
			            		
			            		
			        query = "update student set room_alloted = ? where student_id = ?";
			        preparedStmt = conn.prepareStatement(query);
			        preparedStmt.setBoolean(1, false);
			        preparedStmt.setString(2, cel1);

			        preparedStmt.executeUpdate();
		            			
			        		
					conn.close();
								
								
			        frame.dispose();
			        new Vacant(dashboardFrame);
								 
								
		            			
		        }
		            		
	       		
		     				
							
			} catch (SQLException e1) {
				// TODO Auto-generated catch block
				e1.printStackTrace();
			}
		            	
	    }
	            	
	            	
	    System.out.println(selected_room_number+"------");
	            	
	    }
	});	        
	        
	panel.revalidate();
	panel.repaint();
	
	

Here is logic for fetch data for Room Table and update it.


private void room_table_update() {		
			
	int CC;
	String status = "alloted";
			
	Connection conn = SQLiteJDBCDriverConnection.connect1();
	try {
				
		PreparedStatement insert = conn.prepareStatement("select room_no, room_rent from room where status LIKE'%"+status+"%'");
		ResultSet rs = insert.executeQuery();
				
		ResultSetMetaData rsmd = rs.getMetaData();
		CC = rsmd.getColumnCount();
				
				
		System.out.println();
				
		dft0 = (DefaultTableModel)roomTable.getModel();
		dft0.setRowCount(0);
		dft0.getDataVector().removeAllElements();
		dft0.fireTableDataChanged(); 
				
		while(rs.next()) {
			Vector v2 = new Vector();
					
			for(int ii = 1; ii<=CC; ii++) {
						
				v2.add(rs.getString("room_no"));
				v2.add(rs.getString("room_rent"));
						
				cel_room = rs.getString("room_no");
				cel_rent = rs.getString("room_rent");
						
						
			}
			dft0.addRow(v2);
					
		}
				
		conn.close();
	} catch (SQLException e1) {
		// TODO Auto-generated catch block
		e1.printStackTrace();
	}
			
}
	
	

Here is logic dashboard visibility.


	frame.getContentPane().setBackground(Color.gray);
	        
	frame.addWindowListener(new WindowAdapter(){  
	    public void windowClosing(WindowEvent e) {  
	        frame.dispose();
	        dashboardFrame.setVisible(true);
	    }  
	});  
			
	frame.setVisible(true);
	
	

At last we add logic to table rows change their position.


public void tableChanged(TableModelEvent e) {
	// TODO Auto-generated method stub
	int row = e.getFirstRow();
	int column = e.getColumn();
	TableModel model = (TableModel)e.getSource();
	String columnName = model.getColumnName(column);
	Object data = model.getValueAt(row, column);
	        

	System.out.println(columnName+data+"Wrong");
}

				

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