JComboBox to table

Collapse
X
 
  • Time
  • Show
Clear All
new posts
  • oll3i
    Contributor
    • Mar 2007
    • 679

    JComboBox to table

    how do i add combobox to a table ?
    thank YOU
  • oll3i
    Contributor
    • Mar 2007
    • 679

    #2
    can i do it just like this ?
    public void addRow(int id,String ilosc,String d,JComboBox s) {
    int size = theRows.size();

    theRows.add(new Row(id,ilosc,d, s));
    theTableModel.f ireTableRowsIns erted(size, size);

    }

    Comment

    • r035198x
      MVP
      • Sep 2006
      • 13225

      #3
      Originally posted by oll3i
      can i do it just like this ?
      public void addRow(int id,String ilosc,String d,JComboBox s) {
      int size = theRows.size();

      theRows.add(new Row(id,ilosc,d, s));
      theTableModel.f ireTableRowsIns erted(size, size);

      }
      Well try it and see. You'll learn lots of things by trying and watching the compiler's messages in all their glory. The Java tears are sweetest in swing.

      Comment

      • oll3i
        Contributor
        • Mar 2007
        • 679

        #4
        and that column to which i add combobox i define as what ?

        Comment

        • oll3i
          Contributor
          • Mar 2007
          • 679

          #5
          okey i found some code hope it will work

          Comment

          • oll3i
            Contributor
            • Mar 2007
            • 679

            #6
            Code:
            import javax.swing.DefaultCellEditor;
            import javax.swing.JComboBox;
            import javax.swing.JFrame;
            import javax.swing.JPanel;
            import javax.swing.JScrollPane;
            import javax.swing.JTable;
            import javax.swing.table.AbstractTableModel;
            import javax.swing.table.DefaultTableCellRenderer;
            import javax.swing.table.TableCellRenderer;
            import javax.swing.table.TableColumn;
            
            import java.awt.BorderLayout;
            import java.awt.Component;
            import java.awt.Dimension;
            import java.awt.GridLayout;
            
            /** 
             * TableRenderDemo is just like TableDemo, except that it
             * explicitly initializes column sizes and it uses a combo box
             * as an editor for the Sport column.
             */
            public class TableClient extends JPanel {
                private boolean DEBUG = false;
                private JPanel thePanel;
                public TableClient() {
                    //super(new GridLayout(1,0));
                	thePanel = new JPanel(new BorderLayout());
                    JTable table = new JTable(new MyTableModel());
                    table.setPreferredScrollableViewportSize(new Dimension(500, 70));
                    table.setFillsViewportHeight(true);
            
                    //Create the scroll pane and add the table to it.
                    JScrollPane scrollPane = new JScrollPane(table);
            
                    //Set up column sizes.
                    initColumnSizes(table);
            
                    //Fiddle with the Sport column's cell editors/renderers.
                    setUpStatusColumn(table, table.getColumnModel().getColumn(3));
            
                    //Add the scroll pane to this panel.
                    thePanel.add(scrollPane, BorderLayout.CENTER);
                }
            
                /*
                 * This method picks good column sizes.
                 * If all column heads are wider than the column's cells'
                 * contents, then you can just use column.sizeWidthToFit().
                 */
                private void initColumnSizes(JTable table) {
                    MyTableModel model = (MyTableModel)table.getModel();
                    TableColumn column = null;
                    Component comp = null;
                    int headerWidth = 0;
                    int cellWidth = 0;
                    Object[] longValues = model.longValues;
                    TableCellRenderer headerRenderer =
                        table.getTableHeader().getDefaultRenderer();
            
                    for (int i = 0; i < 5; i++) {
                        column = table.getColumnModel().getColumn(i);
            
                        comp = headerRenderer.getTableCellRendererComponent(
                                             null, column.getHeaderValue(),
                                             false, false, 0, 0);
                        headerWidth = comp.getPreferredSize().width;
            
                        comp = table.getDefaultRenderer(model.getColumnClass(i)).
                                         getTableCellRendererComponent(
                                             table, longValues[i],
                                             false, false, 0, i);
                        cellWidth = comp.getPreferredSize().width;
            
                        if (DEBUG) {
                            System.out.println("Initializing width of column "
                                               + i + ". "
                                               + "headerWidth = " + headerWidth
                                               + "; cellWidth = " + cellWidth);
                        }
            
                        column.setPreferredWidth(Math.max(headerWidth, cellWidth));
                    }
                }
            
                public void setUpStatusColumn(JTable table,
                                             TableColumn statusColumn) {
                    //Set up the editor for the sport cells.
                    JComboBox comboBox = new JComboBox();
                    comboBox.addItem("Nie potwierdzono");
                    comboBox.addItem("Potwierdzono");
                    comboBox.addItem("Dostarczono");
                    comboBox.addItem("Nie dostarczono");
                    comboBox.addItem("Zamkniete");
                    comboBox.addItem("Anulowane");
                    statusColumn.setCellEditor(new DefaultCellEditor(comboBox));
            
                    //Set up tool tips for the sport cells.
                    DefaultTableCellRenderer renderer =
                            new DefaultTableCellRenderer();
                    renderer.setToolTipText("Kliknij aby ukazal sie combo box");
                    statusColumn.setCellRenderer(renderer);
                }
            
                class MyTableModel extends AbstractTableModel {
                	String[] columnNames = {"ID",
                            "Ilosc","Data Wyslania","Status"};
                    private Object[][] data = {
                        {"Mary", "Campione",
                         "Snowboarding", new Integer(5), new Boolean(false)},
                        {"Alison", "Huml",
                         "Rowing", new Integer(3), new Boolean(true)},
                        {"Kathy", "Walrath",
                         "Knitting", new Integer(2), new Boolean(false)},
                        {"Sharon", "Zakhour",
                         "Speed reading", new Integer(20), new Boolean(true)},
                        {"Philip", "Milne",
                         "Pool", new Integer(10), new Boolean(false)}
                    };
            
                    public final Object[] longValues = {"Sharon", "Campione",
                                                        "None of the above",
                                                        new Integer(20), Boolean.TRUE};
            
                    public int getColumnCount() {
                        return columnNames.length;
                    }
            
                    public int getRowCount() {
                        return data.length;
                    }
            
                    public String getColumnName(int col) {
                        return columnNames[col];
                    }
            
                    public Object getValueAt(int row, int col) {
                        return data[row][col];
                    }
            
                    /*
                     * JTable uses this method to determine the default renderer/
                     * editor for each cell.  If we didn't implement this method,
                     * then the last column would contain text ("true"/"false"),
                     * rather than a check box.
                     */
                    public Class getColumnClass(int c) {
                        return getValueAt(0, c).getClass();
                    }
            
                    /*
                     * Don't need to implement this method unless your table's
                     * editable.
                     */
                    public boolean isCellEditable(int row, int col) {
                        //Note that the data/cell address is constant,
                        //no matter where the cell appears onscreen.
                        if (col != 3) {
                            return false;
                        } else {
                            return true;
                        }
                    }
            
                    /*
                     * Don't need to implement this method unless your table's
                     * data can change.
                     */
                    public void setValueAt(Object value, int row, int col) {
                        if (DEBUG) {
                            System.out.println("Setting value at " + row + "," + col
                                               + " to " + value
                                               + " (an instance of "
                                               + value.getClass() + ")");
                        }
            
                        data[row][col] = value;
                        fireTableCellUpdated(row, col);
            
                        if (DEBUG) {
                            System.out.println("New value of data:");
                            printDebugData();
                        }
                    }
             public JPanel getPanel() {
                		return thePanel;
                	}
            private void printDebugData() {
                        int numRows = getRowCount();
                        int numCols = getColumnCount();
            
                        for (int i=0; i < numRows; i++) {
                            System.out.print("    row " + i + ":");
                            for (int j=0; j < numCols; j++) {
                                System.out.print("  " + data[i][j]);
                            }
                            System.out.println();
                        }
                        System.out.println("--------------------------");
                    }
                }
            
            
            
            
            
            }

            but i dont want to have data defined in table model i need to pass the data to table how do ia do that?
            how do i add eg Object[] d to Object[][] data ?

            Comment

            • oll3i
              Contributor
              • Mar 2007
              • 679

              #7
              i made it :) but now i need to listen for the changes in that combobox

              Comment

              • oll3i
                Contributor
                • Mar 2007
                • 679

                #8
                Code:
                import javax.swing.DefaultCellEditor;
                import javax.swing.JComboBox;
                import javax.swing.JFrame;
                import javax.swing.JPanel;
                import javax.swing.JScrollPane;
                import javax.swing.JTable;
                import javax.swing.event.TableModelEvent;
                import javax.swing.event.TableModelListener;
                import javax.swing.table.AbstractTableModel;
                import javax.swing.table.DefaultTableCellRenderer;
                import javax.swing.table.TableCellRenderer;
                import javax.swing.table.TableColumn;
                
                
                
                import java.awt.BorderLayout;
                import java.awt.Component;
                import java.awt.Dimension;
                import java.awt.GridLayout;
                
                import java.util.ArrayList;
                import java.util.List;
                /** 
                 * TableRenderDemo is just like TableDemo, except that it
                 * explicitly initializes column sizes and it uses a combo box
                 * as an editor for the Sport column.
                 */
                public class TableClient extends JPanel implements TableModelListener {
                    private boolean DEBUG = false;
                    private JPanel thePanel;
                    private List<OrderClient> data;
                    private MyTableModel model;
                    public TableClient() {
                    	data = new ArrayList<OrderClient>();
                        //super(new GridLayout(1,0));
                    	thePanel = new JPanel(new BorderLayout());
                    	model = new MyTableModel();
                    	
                
                        JTable table = new JTable(new MyTableModel());
                        table.setPreferredScrollableViewportSize(new Dimension(500, 70));
                        table.setFillsViewportHeight(true);
                        table.getModel().addTableModelListener(this);
                        //Create the scroll pane and add the table to it.
                        JScrollPane scrollPane = new JScrollPane(table);
                
                        //Set up column sizes.
                        ////initColumnSizes(table);
                
                        //Fiddle with the Sport column's cell editors/renderers.
                        setUpStatusColumn(table, table.getColumnModel().getColumn(3));
                
                        //Add the scroll pane to this panel.
                        thePanel.add(scrollPane, BorderLayout.CENTER);
                    }
                    public JPanel getPanel() {
                		return thePanel;
                	}
                    
                    public void addData(OrderClient oc){
                    	data.add(oc);
                    	int size = data.size(); 	
                    	model.fireTableRowsInserted(size, size);
                    }
                    public void tableChanged(TableModelEvent e) {
                        int row = e.getFirstRow();
                        int column = e.getColumn();
                        MyTableModel model = (MyTableModel)e.getSource();
                        String columnName = model.getColumnName(column);
                        Object data = model.getValueAt(row, column);
                
                        // Do something with the data...
                    }
                
                    
                    /*
                     * This method picks good column sizes.
                     * If all column heads are wider than the column's cells'
                     * contents, then you can just use column.sizeWidthToFit().
                     */
                  
                
                    public void setUpStatusColumn(JTable table,
                                                 TableColumn statusColumn) {
                        //Set up the editor for the sport cells.
                        JComboBox comboBox = new JComboBox();
                        comboBox.addItem("Nie potwierdzono");
                        comboBox.addItem("Potwierdzono");
                        comboBox.addItem("Dostarczono");
                        comboBox.addItem("Nie dostarczono");
                        comboBox.addItem("Zamkniete");
                        comboBox.addItem("Anulowane");
                        statusColumn.setCellEditor(new DefaultCellEditor(comboBox));
                
                        //Set up tool tips for the sport cells.
                        DefaultTableCellRenderer renderer =
                                new DefaultTableCellRenderer();
                        renderer.setToolTipText("Kliknij aby ukazal sie combo box");
                        statusColumn.setCellRenderer(renderer);
                    }
                
                    class MyTableModel extends AbstractTableModel {
                    	String[] columnNames = {"ID",
                                "Ilosc","Data Wyslania","Status"};
                     
                       
                     
                        public int getColumnCount() {
                            return columnNames.length;
                        }
                 
                        public int getRowCount() {
                            return data.size();
                        }
                
                        public String getColumnName(int col) {
                            return columnNames[col];
                        }
                
                        public Object getValueAt(int row, int col) {
                        	OrderClient orderclient = data.get(row);
                            if(col==0)return orderclient.getID();
                            else if (col==1) return orderclient.getQuantity();
                            else if (col==2) return orderclient.getDate();
                            else return orderclient.getStatus();
                        }
                        public Integer getID(int row){
                        	OrderClient orderclient = data.get(row);
                			return orderclient.getID();}
                        
                
                	      public String getStatus(int row){
                	    	OrderClient orderclient = data.get(row);
                			return orderclient.getStatus();}
                        /*
                         * JTable uses this method to determine the default renderer/
                         * editor for each cell.  If we didn't implement this method,
                         * then the last column would contain text ("true"/"false"),
                         * rather than a check box.
                         */
                        public Class getColumnClass(int c) {
                            return getValueAt(0, c).getClass();
                        }
                
                        /*
                         * Don't need to implement this method unless your table's
                         * editable.
                         */
                        public boolean isCellEditable(int row, int col) {
                            //Note that the data/cell address is constant,
                            //no matter where the cell appears onscreen.
                            if (col != 3) {
                                return false;
                            } else {
                                return true;
                            }
                        }
                        public void setValueAt(String value, int row, int col) {
                        	OrderClient orderclient = data.get(row);
                        	orderclient.setStatus(value);       
                            fireTableCellUpdated(row, col);  
                        }
                        /*
                         * Don't need to implement this method unless your table's
                         * data can change.
                         */
                
                
                
                }
                }
                my setValueAt doesnt work what should i change to make it work ?

                Comment

                Working...