List of usage examples for javax.swing.table TableColumn setCellRenderer
@BeanProperty(description = "The renderer to use for cell values.") public void setCellRenderer(TableCellRenderer cellRenderer)
TableCellRenderer used by JTable to draw individual values for this column. From source file:nz.govt.natlib.ndha.manualdeposit.ManualDepositPresenter.java
private void setJobQueueTableDefaults(JTable jobQueueTable, JobQueueTableModel jobQueueTableModel) { jobQueueTableModel.addTableModelListener(new JobQueueTableModelListener()); jobQueueTable.setModel(jobQueueTableModel); jobQueueTable.setSurrendersFocusOnKeystroke(true); jobQueueTable.setAutoResizeMode(JTable.AUTO_RESIZE_ALL_COLUMNS); jobQueueTable.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION); jobQueueTable.setColumnSelectionAllowed(true); jobQueueTable.setRowSelectionAllowed(true); TableRenderer renderer = new TableRenderer(); TableColumn col = jobQueueTable.getColumnModel().getColumn(0); int width = 200; col.setPreferredWidth(width);//w ww .ja va 2 s.com col.setWidth(width); col.setCellRenderer(renderer); col = jobQueueTable.getColumnModel().getColumn(1); width = 1400; col.setPreferredWidth(width); col.setWidth(width); col.setCellRenderer(renderer); }
From source file:org.apache.cayenne.modeler.editor.ObjEntityRelationshipPanel.java
protected void rebuildTable(ObjEntity entity) { final ObjRelationshipTableModel model = new ObjRelationshipTableModel(entity, mediator, this); model.addTableModelListener(new TableModelListener() { public void tableChanged(TableModelEvent e) { if (table.getSelectedRow() >= 0) { ObjRelationship rel = model.getRelationship(table.getSelectedRow()); enabledResolve = rel.getSourceEntity().getDbEntity() != null; resolveMenu.setEnabled(enabledResolve); }/*w w w.ja v a 2 s .c o m*/ } }); table.setModel(model); table.setRowHeight(25); table.setRowMargin(3); TableColumn col = table.getColumnModel().getColumn(ObjRelationshipTableModel.REL_TARGET_PATH); col.setCellEditor(new DbRelationshipPathComboBoxEditor()); col.setCellRenderer(new DefaultTableCellRenderer() { @Override public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) { super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column); setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 0)); setToolTipText( "To choose relationship press enter two times.To choose next relationship press dot."); return this; } }); col = table.getColumnModel().getColumn(ObjRelationshipTableModel.REL_DELETE_RULE); JComboBox deleteRulesCombo = Application.getWidgetFactory().createComboBox(DELETE_RULES, false); deleteRulesCombo.setFocusable(false); deleteRulesCombo.setEditable(true); ((JComponent) deleteRulesCombo.getEditor().getEditorComponent()).setBorder(null); deleteRulesCombo.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 0)); deleteRulesCombo.setSelectedIndex(0); // Default to the first value col.setCellEditor(Application.getWidgetFactory().createCellEditor(deleteRulesCombo)); tablePreferences.bind(table, null, null, null, ObjRelationshipTableModel.REL_NAME, true); }
From source file:org.apache.oodt.cas.workflow.gui.perspective.view.impl.DefaultPropView.java
private JTable createTable(final ViewState state) { JTable table;/*from ww w .ja v a 2s. co m*/ final ModelGraph selected = state.getSelected(); if (selected != null) { final Vector<Vector<String>> rows = new Vector<Vector<String>>(); ConcurrentHashMap<String, String> keyToGroupMap = new ConcurrentHashMap<String, String>(); Metadata staticMet = selected.getModel().getStaticMetadata(); Metadata inheritedMet = selected.getInheritedStaticMetadata(state); Metadata completeMet = new Metadata(); if (staticMet != null) { completeMet.replaceMetadata(staticMet.getSubMetadata(state.getCurrentMetGroup())); } if (selected.getModel().getExtendsConfig() != null) { for (String configGroup : selected.getModel().getExtendsConfig()) { Metadata extendsMetadata = state.getGlobalConfigGroups().get(configGroup).getMetadata() .getSubMetadata(state.getCurrentMetGroup()); for (String key : extendsMetadata.getAllKeys()) { if (!completeMet.containsKey(key)) { keyToGroupMap.put(key, configGroup); completeMet.replaceMetadata(key, extendsMetadata.getAllMetadata(key)); } } } } if (inheritedMet != null) { Metadata inheritedMetadata = inheritedMet.getSubMetadata(state.getCurrentMetGroup()); for (String key : inheritedMetadata.getAllKeys()) { if (!completeMet.containsKey(key)) { keyToGroupMap.put(key, "__inherited__"); completeMet.replaceMetadata(key, inheritedMetadata.getAllMetadata(key)); } } } List<String> keys = completeMet.getAllKeys(); Collections.sort(keys); for (String key : keys) { if (key.endsWith("/envReplace")) { continue; } String values = StringUtils.join(completeMet.getAllMetadata(key), ","); Vector<String> row = new Vector<String>(); row.add(keyToGroupMap.get(key)); row.add(key); row.add(values); row.add(Boolean.toString(Boolean.parseBoolean(completeMet.getMetadata(key + "/envReplace")))); rows.add(row); } table = new JTable();// rows, new Vector<String>(Arrays.asList(new // String[] { "key", "values", "envReplace" }))); table.setModel(new AbstractTableModel() { public String getColumnName(int col) { switch (col) { case 0: return "group"; case 1: return "key"; case 2: return "values"; case 3: return "envReplace"; default: return null; } } public int getRowCount() { return rows.size() + 1; } public int getColumnCount() { return 4; } public Object getValueAt(int row, int col) { if (row >= rows.size()) { return null; } String value = rows.get(row).get(col); if (value == null && col == 3) { return "false"; } if (value == null && col == 0) { return "__local__"; } return value; } public boolean isCellEditable(int row, int col) { if (row >= rows.size()) { return selected.getModel().getStaticMetadata().containsGroup(state.getCurrentMetGroup()); } if (col == 0) { return false; } String key = rows.get(row).get(1); return key == null || (selected.getModel().getStaticMetadata() != null && selected.getModel().getStaticMetadata().containsKey(getKey(key, state))); } public void setValueAt(Object value, int row, int col) { if (row >= rows.size()) { Vector<String> newRow = new Vector<String>( Arrays.asList(new String[] { null, null, null, null })); newRow.add(col, (String) value); rows.add(newRow); } else { Vector<String> rowValues = rows.get(row); rowValues.add(col, (String) value); rowValues.remove(col + 1); } this.fireTableCellUpdated(row, col); } }); MyTableListener tableListener = new MyTableListener(state); table.getModel().addTableModelListener(tableListener); table.getSelectionModel().addListSelectionListener(tableListener); } else { table = new JTable(new Vector<Vector<String>>(), new Vector<String>(Arrays.asList(new String[] { "key", "values", "envReplace" }))); } // table.setFillsViewportHeight(true); table.setSelectionBackground(Color.cyan); table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF); TableCellRenderer cellRenderer = new TableCellRenderer() { public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) { JLabel field = new JLabel((String) value); if (column == 0) { field.setForeground(Color.gray); } else { if (isSelected) { field.setBorder(new EtchedBorder(1)); } if (table.isCellEditable(row, 1)) { field.setForeground(Color.black); } else { field.setForeground(Color.gray); } } return field; } }; TableColumn groupCol = table.getColumnModel().getColumn(0); groupCol.setPreferredWidth(75); groupCol.setCellRenderer(cellRenderer); TableColumn keyCol = table.getColumnModel().getColumn(1); keyCol.setPreferredWidth(200); keyCol.setCellRenderer(cellRenderer); TableColumn valuesCol = table.getColumnModel().getColumn(2); valuesCol.setPreferredWidth(300); valuesCol.setCellRenderer(cellRenderer); TableColumn envReplaceCol = table.getColumnModel().getColumn(3); envReplaceCol.setPreferredWidth(75); envReplaceCol.setCellRenderer(cellRenderer); table.addMouseListener(new MouseListener() { public void mouseClicked(MouseEvent e) { if (e.getButton() == MouseEvent.BUTTON3 && DefaultPropView.this.table.getSelectedRow() != -1) { int row = DefaultPropView.this.table.getSelectedRow();// rowAtPoint(DefaultPropView.this.table.getMousePosition()); String key = getKey((String) DefaultPropView.this.table.getValueAt(row, 1), state); Metadata staticMet = state.getSelected().getModel().getStaticMetadata(); override.setVisible(staticMet == null || !staticMet.containsKey(key)); delete.setVisible(staticMet != null && staticMet.containsKey(key)); tableMenu.show(DefaultPropView.this.table, e.getX(), e.getY()); } } public void mouseEntered(MouseEvent e) { } public void mouseExited(MouseEvent e) { } public void mousePressed(MouseEvent e) { } public void mouseReleased(MouseEvent e) { } }); return table; }
From source file:org.dc.file.search.ui.DashboardForm.java
private void initCommentResultsTable() { txtCommentThread.setText(""); Object[][] initData = {};//from w w w . j ava 2 s. c o m DefaultTableModel commentModel = new DefaultTableModel(initData, commentColumnNames); tblComments.setModel(commentModel); tblComments.setRowHeight(32); TableColumn commentRatingColumn = tblComments.getColumnModel().getColumn(COMMENT_RATING_COL_INDEX); commentRatingColumn.setCellRenderer(new StarRatingsRenderer(tblComments, StarRatingsType.COMMENT)); commentRatingColumn.setCellEditor(new StarRatingsEditor(tblComments, StarRatingsType.COMMENT)); commentRatingColumn.setPreferredWidth(30); TableColumn commentReply = tblComments.getColumnModel().getColumn(COMMENT_REPLY_COL_INDEX); commentReply.setCellRenderer(new ButtonRenderer(tblComments)); commentReply.setCellEditor(new ButtonEditor(tblComments)); tblComments.getSelectionModel().addListSelectionListener(event -> { if (tblComments.getSelectedRow() >= 0) { txtCommentThread.setText(""); DFile dFile = resultFiles.get(selectedFile); String commentId = tblComments.getValueAt(tblComments.getSelectedRow(), 0).toString(); Comment parentComment = null; List<Comment> comments = dFile.getComments(); for (Comment c : comments) { if (c.getCommentId().equals(commentId)) { parentComment = c; break; } } if (parentComment == null) { return; } StringBuilder stringBuilder = new StringBuilder(); for (Comment replyComment : parentComment.getReplies()) { stringBuilder.append(replyComment.getUserName()); stringBuilder.append(": "); stringBuilder.append(replyComment.getText()); stringBuilder.append("\n----------------------------------\n"); } txtCommentThread.setText(stringBuilder.toString()); } }); }
From source file:org.dc.file.search.ui.DashboardForm.java
private void initSearchResultsTable() { Object[][] initData = {};//from ww w . ja v a 2 s .c o m DefaultTableModel searchModel = new DefaultTableModel(initData, searchColumnNames); tblSearchResults.setModel(searchModel); tblSearchResults.setRowHeight(32); tblSearchResults.getColumnModel().getColumn(PEER_COL_INDEX).setPreferredWidth(30); tblSearchResults.getColumnModel().getColumn(HOP_COUNT_COL_INDEX).setPreferredWidth(20); tblSearchResults.getColumnModel().getColumn(FILE_COL_INDEX).setPreferredWidth(20); TableColumn starRatingsColumn = tblSearchResults.getColumnModel().getColumn(STAR_RATINGS_COL_INDEX); starRatingsColumn.setCellRenderer(new StarRatingsRenderer(tblSearchResults, StarRatingsType.FILE)); starRatingsColumn.setCellEditor(new StarRatingsEditor(tblSearchResults, StarRatingsType.FILE)); starRatingsColumn.setPreferredWidth(30); tblSearchResults.getSelectionModel().addListSelectionListener(event -> { if (tblSearchResults.getSelectedRow() >= 0) { updateCommentTable(); } }); }
From source file:org.ecoinformatics.seek.ecogrid.ServicesDisplayPanel.java
private void init() { this.setPreferredSize(new Dimension(HEADNAME.length * CELLPREFERREDWIDTH, CELLHEIGHT)); this.getViewport().setBackground(Color.WHITE); tableModel = new ServicesDisplayTableModel(selectedServiceList, HEADNAME); table = new JTable(tableModel); table.setRowSelectionAllowed(ROWSELECTION); table.setColumnSelectionAllowed(COLUMNSELECTION); table.setCellSelectionEnabled(CELLSELECTION); Vector rowHeightFactorList = tableModel.getRowHeightFactor(); initRowHeight(rowHeightFactorList);//from w ww. j av a 2s.c o m initColumnWidth(); // first col(service name render use checkbox renderer // second col(location) use default rendered // third col(doctype) use table rendered checkBoxRenderer = new CheckBoxTableCellRenderer(table, selectedServiceList, CheckBoxTableCellRenderer.DEFAUTTOPROW); tableRenderer = new TableTableCellRenderer(table, selectedServiceList); TableColumn serviceNameCol = table.getColumn(SERVICENAMECOL); serviceNameCol.setCellRenderer(checkBoxRenderer); serviceNameCol.setCellEditor(new CheckBoxTableCellEditor(table, new JCheckBox(), selectedServiceList, CheckBoxTableCellRenderer.DEFAUTTOPROW)); TableColumn docTypeCol = table.getColumn(DOCUMENTTYPECOL); docTypeCol.setCellRenderer(tableRenderer); docTypeCol.setCellEditor(new TableTableCellEditor(table, new JCheckBox(), selectedServiceList)); this.getViewport().add(table); }
From source file:org.executequery.gui.browser.ConnectionPanel.java
private void init() { // --------------------------------- // create the basic props panel // initialise the fields nameField = createTextField();/*from ww w .j av a 2 s. co m*/ passwordField = createPasswordField(); hostField = createTextField(); portField = createNumberTextField(); sourceField = createMatchedWidthTextField(); userField = createTextField(); urlField = createMatchedWidthTextField(); nameField.addFocusListener(new ConnectionNameFieldListener(this)); savePwdCheck = ActionUtilities.createCheckBox("Store Password", "setStorePassword"); encryptPwdCheck = ActionUtilities.createCheckBox("Encrypt Password", "setEncryptPassword"); savePwdCheck.addActionListener(this); encryptPwdCheck.addActionListener(this); // retrieve the drivers buildDriversList(); // --------------------------------- // add the basic connection fields TextFieldPanel mainPanel = new TextFieldPanel(new GridBagLayout()); GridBagConstraints gbc = new GridBagConstraints(); gbc.fill = GridBagConstraints.HORIZONTAL; gbc.anchor = GridBagConstraints.NORTHWEST; gbc.insets = new Insets(10, 10, 10, 10); gbc.gridy = 0; gbc.gridx = 0; statusLabel = new DefaultFieldLabel(); addLabelFieldPair(mainPanel, "Status:", statusLabel, "Current connection status", gbc); gbc.insets.bottom = 5; addLabelFieldPair(mainPanel, "Connection Name:", nameField, "A friendly name for this connection", gbc); addLabelFieldPair(mainPanel, "User Name:", userField, "Login user name", gbc); addLabelFieldPair(mainPanel, "Password:", passwordField, "Login password", gbc); JButton showPassword = new LinkButton("Show Password"); showPassword.setActionCommand("showPassword"); showPassword.addActionListener(this); JPanel passwordOptionsPanel = new JPanel(new GridBagLayout()); addComponents(passwordOptionsPanel, new ComponentToolTipPair[] { new ComponentToolTipPair(savePwdCheck, "Store the password with the connection information"), new ComponentToolTipPair(encryptPwdCheck, "Encrypt the password when saving"), new ComponentToolTipPair(showPassword, "Show the password in plain text") }); gbc.gridy++; gbc.gridx = 1; gbc.weightx = 1.0; gbc.gridwidth = GridBagConstraints.REMAINDER; mainPanel.add(passwordOptionsPanel, gbc); addLabelFieldPair(mainPanel, "Host Name:", hostField, "Server host name or IP address", gbc); addLabelFieldPair(mainPanel, "Port:", portField, "Database port number", gbc); addLabelFieldPair(mainPanel, "Data Source:", sourceField, "Data source name", gbc); addLabelFieldPair(mainPanel, "JDBC URL:", urlField, "The full JDBC URL for this connection (optional)", gbc); addDriverFields(mainPanel, gbc); connectButton = createButton("Connect", CONNECT_ACTION_COMMAND, 'T'); disconnectButton = createButton("Disconnect", "disconnect", 'D'); JPanel buttons = new JPanel(new GridBagLayout()); gbc.gridy++; gbc.gridx = 0; gbc.insets.top = 5; gbc.insets.left = 0; gbc.insets.right = 10; gbc.gridwidth = 1; gbc.weightx = 1.0; gbc.weighty = 1.0; gbc.anchor = GridBagConstraints.NORTHEAST; gbc.fill = GridBagConstraints.NONE; buttons.add(connectButton, gbc); gbc.gridx++; gbc.weightx = 0; buttons.add(disconnectButton, gbc); gbc.insets.right = 0; gbc.gridwidth = GridBagConstraints.REMAINDER; mainPanel.add(buttons, gbc); // --------------------------------- // create the advanced panel model = new JdbcPropertiesTableModel(); JTable table = new DefaultTable(model); table.getTableHeader().setReorderingAllowed(false); TableColumnModel tcm = table.getColumnModel(); TableColumn column = tcm.getColumn(2); column.setCellRenderer(new DeleteButtonRenderer()); column.setCellEditor(new DeleteButtonEditor(table, new JCheckBox())); column.setMaxWidth(24); column.setMinWidth(24); JScrollPane scroller = new JScrollPane(table); // advanced jdbc properties JPanel advPropsPanel = new JPanel(new GridBagLayout()); advPropsPanel.setBorder(BorderFactory.createTitledBorder("JDBC Properties")); gbc.gridx = 0; gbc.gridy = 0; gbc.gridwidth = 1; gbc.insets.top = 0; gbc.insets.left = 10; gbc.insets.right = 10; gbc.weighty = 0; gbc.weightx = 1.0; gbc.fill = GridBagConstraints.HORIZONTAL; gbc.anchor = GridBagConstraints.NORTHWEST; advPropsPanel.add(new DefaultFieldLabel("Enter any key/value pair properties for this connection"), gbc); gbc.gridy++; advPropsPanel.add( new DefaultFieldLabel("Refer to the relevant JDBC driver documentation for possible entries"), gbc); gbc.gridy++; gbc.insets.bottom = 10; gbc.weighty = 1.0; gbc.fill = GridBagConstraints.BOTH; advPropsPanel.add(scroller, gbc); // transaction isolation txApplyButton = WidgetFactory.createInlineFieldButton("Apply", "transactionLevelChanged"); txApplyButton.setToolTipText("Apply this level to all open connections of this type"); txApplyButton.setEnabled(false); txApplyButton.addActionListener(this); // add a dummy select value to the tx levels String[] txLevels = new String[Constants.TRANSACTION_LEVELS.length + 1]; txLevels[0] = "Database Default"; for (int i = 1; i < txLevels.length; i++) { txLevels[i] = Constants.TRANSACTION_LEVELS[i - 1]; } txCombo = WidgetFactory.createComboBox(txLevels); JPanel advTxPanel = new JPanel(new GridBagLayout()); advTxPanel.setBorder(BorderFactory.createTitledBorder("Transaction Isolation")); gbc.gridx = 0; gbc.gridy = 0; gbc.insets.top = 0; gbc.insets.left = 10; gbc.insets.right = 10; gbc.insets.bottom = 5; gbc.weighty = 0; gbc.weightx = 1.0; gbc.gridwidth = GridBagConstraints.REMAINDER; gbc.fill = GridBagConstraints.BOTH; gbc.anchor = GridBagConstraints.NORTHWEST; advTxPanel.add(new DefaultFieldLabel("Default transaction isolation level for this connection"), gbc); gbc.gridy++; gbc.insets.bottom = 10; advTxPanel.add( new DefaultFieldLabel( "Note: the selected isolation level " + "will apply to ALL open connections of this type."), gbc); gbc.gridy++; gbc.gridx = 0; gbc.gridwidth = 1; gbc.insets.top = 0; gbc.insets.left = 10; gbc.weightx = 0; advTxPanel.add(new DefaultFieldLabel("Isolation Level:"), gbc); gbc.gridx = 1; gbc.insets.left = 5; gbc.weightx = 1.0; gbc.insets.right = 5; gbc.fill = GridBagConstraints.HORIZONTAL; advTxPanel.add(txCombo, gbc); gbc.gridx = 2; gbc.weightx = 0; gbc.insets.left = 0; gbc.insets.right = 10; advTxPanel.add(txApplyButton, gbc); JPanel advancedPanel = new JPanel(new BorderLayout()); advancedPanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5)); advancedPanel.add(advPropsPanel, BorderLayout.CENTER); advancedPanel.add(advTxPanel, BorderLayout.SOUTH); JScrollPane scrollPane = new JScrollPane(mainPanel); scrollPane.setBorder(null); sshTunnelConnectionPanel = new SSHTunnelConnectionPanel(); tabPane = new JTabbedPane(JTabbedPane.BOTTOM); tabPane.addTab("Basic", scrollPane); tabPane.addTab("Advanced", advancedPanel); tabPane.addTab("SSH Tunnel", sshTunnelConnectionPanel); tabPane.addChangeListener(this); add(tabPane, BorderLayout.CENTER); EventMediator.registerListener(this); }
From source file:org.executequery.gui.importexport.ImportExportPanelThree.java
private void prepareTable() { TableColumnModel tcm = table.getColumnModel(); TableColumn col = tcm.getColumn(0); col.setPreferredWidth(140);// w w w .ja va2 s. co m col = tcm.getColumn(1); col.setPreferredWidth(255); if (browseButtonCellRenderer == null) { browseButtonCellRenderer = new BrowseButtonRenderer(); } if (browseButtonCellEditor == null) { browseButtonCellEditor = new BrowseButtonEditor(new JCheckBox()); } col = tcm.getColumn(2); col.setCellRenderer(browseButtonCellRenderer); col.setCellEditor(browseButtonCellEditor); col.setPreferredWidth(80); }
From source file:org.kootox.episodesmanager.content.EpisodesListTableModel.java
public void update() { initValues();/*from ww w . j av a 2 s .c om*/ fireTableDataChanged(); if (ui != null) { JTable table = ui.getEpisodeslistTable(); TableColumn column = table.getColumn(_("episodesmanager.episode.actions")); column.setCellRenderer(new ButtonRenderer()); column.setCellEditor(new ButtonEditor(new JCheckBox())); } }
From source file:org.o3project.optsdn.don.frame.NeFrame.java
/** * Create a pane that displays OMS connection information. * //from w w w .ja va 2s . co m * @return The pane that displays OMS connection information */ private JScrollPane createOmsConnectionInfoPane() { Object[] header = OMS_CONNECTION_INFO_COLNAME_LIST.toArray(); String[][] rowDataList = new String[omsConnectionInfoList.size()][header.length]; for (int i = 0; i < rowDataList.length; i++) { List<Port> omsConnectionInfo = omsConnectionInfoList.get(i); Port port = omsConnectionInfo.get(0); int ofPortIndex = OMS_CONNECTION_INFO_COLNAME_LIST.indexOf(OmsConnectionInfoCols.OF_PORT.getName()); Integer openFlowPortId1 = port.getOpenFlowPortId(); String ofPortValue1; if (openFlowPortId1 == null) { ofPortValue1 = OFPORT_NOTFOUND; } else { ofPortValue1 = String.valueOf(openFlowPortId1); } rowDataList[i][ofPortIndex] = ofPortValue1; Port port2 = omsConnectionInfo.get(1); int connectedToIndex = OMS_CONNECTION_INFO_COLNAME_LIST .indexOf(OmsConnectionInfoCols.CONNECTED_TO.getName()); Integer openFlowPortId2 = port2.getOpenFlowPortId(); String ofPortValue2; if (openFlowPortId2 == null) { ofPortValue2 = OFPORT_NOTFOUND; } else { ofPortValue2 = String.valueOf(openFlowPortId2); } rowDataList[i][connectedToIndex] = port2.getNeId() + ", " + ofPortValue2; } JTable connectedTable = new JTable(rowDataList, header); connectedTable.getTableHeader().setBackground(Color.WHITE); DefaultTableCellRenderer renderer = new DefaultTableCellRenderer(); renderer.setHorizontalAlignment(SwingConstants.CENTER); for (int i = 0; i < header.length; i++) { TableColumn column = connectedTable.getColumnModel().getColumn(i); column.setCellRenderer(renderer); } JScrollPane connectedPane = new JScrollPane(); connectedPane.getViewport().setView(connectedTable); connectedPane.setPreferredSize(new Dimension(connectedPane.getPreferredSize().width, TABLE_HEIGHT)); return connectedPane; }