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Thread: coloring the checked row in jtable using checkbox

  1. #1
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    Default coloring the checked row in jtable using checkbox

    Hi,
    I am using two cell renderers
    1>customcelleditor : for getting the cell values when checkbox is checked.
    2>customcellrenderer : for coloring the row whose checkbox is checked .

    I want to apply color RED to the rows that is checked and rest green.
    But coloring the row dosent work , why ? can some1 help with the code please.

    table.getColumnModel().getColumn(3).setCellEditor(new CustomTableCellRenderer(new JCheckBox(),Name));
    table.getColumnModel().getColumn(3).setCellRenderer(new CustomTableCellRenderer3());
     
     
    this is my celleditor class;;;;;;;;;;;;;;;;;;;;;;
     
    package moxaclient;
     
    import java.awt.Color;
    import java.awt.Component;
    import java.awt.event.ItemEvent;
    import java.awt.event.ItemListener;
    import javax.swing.DefaultCellEditor;
    import javax.swing.JCheckBox;
    import javax.swing.JTable;
     
    public class CustomTableCellRenderer extends DefaultCellEditor implements ItemListener{
     
    private static final long serialVersionUID = 1L;
    private JCheckBox checkBox;
    private JTable table1;
    private int row;
    private int column;
    Object abc="null";
    private String Name;
    Component comm=null;
     
    public CustomTableCellRenderer(JCheckBox checkBox,String name2) {
        super(checkBox);
        this.checkBox = checkBox;
        this.checkBox.addItemListener(this);
        this.Name=name2;   
    }
     
     
    public Component getTableCellEditorComponent(JTable table, Object value,
            boolean isSelected,int row, int column) 
    {
        Component comp = super.getTableCellEditorComponent(table, value, isSelected, row, column);
        this.row = row;
        this.table1=table;
        this.column = column;
        checkBox.setSelected((Boolean)value);
        return super.getTableCellEditorComponent(table, value, isSelected,row, column);
    }
     
    public void itemStateChanged(ItemEvent e) 
       {
       this.fireEditingStopped(); 
        //System.out.println("Item Changed " + row + " value is: " + checkBox.isSelected());
         //System.out.println("Item Changed " + column + " value is: " + checkBox.isSelected());
          String Sensor =(String) table1.getValueAt(row, 0);
          Double Value =(Double) table1.getValueAt(row, 1);
    	  String Date =(String) table1.getValueAt(row, 2);
    	  Boolean select=(Boolean) table1.getValueAt(row,3);
           if (Boolean.TRUE.equals(select)) 
           {
    	    abc += Sensor+"\t"+Value+"\t"+Name+"\t"+Date+"\t";
    }
     
    This is my cellrenderer class ;;;;;;
     
    package moxaclient;
     
    import java.awt.Component;
    import javax.swing.JTable;
    import javax.swing.table.DefaultTableCellRenderer;
    import javax.swing.table.DefaultTableModel;
     
     
    public class CustomTableCellRenderer3 extends DefaultTableCellRenderer {
    private static final long serialVersionUID = 1L;
    JTable table1=null;
    DefaultTableModel model;
    	public CustomTableCellRenderer3() {
    		// TODO Auto-generated constructor stub
    	}
     
    	public CustomTableCellRenderer3(JTable table,DefaultTableModel model1) {
    		this.table1=table;
    		this.model=model1;
    	}
     
     
    	@Override
    	public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int col) 
    	{
    		 Component comp = super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, col);
    		 Boolean last=(Boolean)model.getValueAt(row,3);             ////// i think the code is not right,  please help me with code
                       if(last)
                        {
                        	  color red here
                    	}
     
             		//return null;
                     }
     
    }

    r1.jpgr2.jpg


  2. #2
    Super Moderator jps's Avatar
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    Default Re: coloring the checked row in jtable using checkbox

    Quote Originally Posted by harshilshah View Post
    But coloring the row dosent work , why ? can some1 help with the code please.
    Where is the code you are using to change colors? All i see is "color red here", which obviously is not java syntax.
    If there are any error messages post them here. If you can get it to compile, post the code including the color change part.
    Where exactly are you stuck?

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