Example usage for javax.swing.table TableModel getColumnCount

Introduction

In this page you can find the example usage for javax.swing.table TableModel getColumnCount.

Prototype

public int getColumnCount();

Source Link

Document

Returns the number of columns in the model.

Usage

From source file:au.com.jwatmuff.eventmanager.export.CSVExporter.java

public static void generateFromTable(TableModel tm, OutputStream out) {
    int rows = tm.getRowCount();
    int cols = tm.getColumnCount();
    Object[][] table = new Object[rows + 1][cols];
    for (int j = 0; j < cols; j++)
        table[0][j] = tm.getColumnName(j);
    for (int i = 0; i < rows; i++)
        for (int j = 0; j < cols; j++)
            table[i + 1][j] = tm.getValueAt(i, j);

    generateFromArray(table, out);/*from   www.j  a v a2s . c o  m*/
}

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From source file:Main.java

/**
 * Auto fit the column of a table./*w  w  w .  j a  v  a  2 s . co  m*/
 * @param table the table for which to auto fit the columns.
 * @param columnIndex the index of the column to auto fit.
 * @param maxWidth the maximum width that a column can take (like Integer.MAX_WIDTH).
 */
public static void autoFitTableColumn(JTable table, int columnIndex, int maxWidth) {
    TableModel model = table.getModel();
    TableCellRenderer headerRenderer = table.getTableHeader().getDefaultRenderer();
    int rowCount = table.getRowCount();
    for (int i = columnIndex >= 0 ? columnIndex : model.getColumnCount() - 1; i >= 0; i--) {
        TableColumn column = table.getColumnModel().getColumn(i);
        int headerWidth = headerRenderer
                .getTableCellRendererComponent(table, column.getHeaderValue(), false, false, 0, 0)
                .getPreferredSize().width;
        int cellWidth = 0;
        for (int j = 0; j < rowCount; j++) {
            Component comp = table.getDefaultRenderer(model.getColumnClass(i))
                    .getTableCellRendererComponent(table, table.getValueAt(j, i), false, false, 0, i);
            int preferredWidth = comp.getPreferredSize().width;
            // Artificial space to look nicer.
            preferredWidth += 10;
            cellWidth = Math.max(cellWidth, preferredWidth);
        }
        // Artificial space for the sort icon.
        headerWidth += 20;
        column.setPreferredWidth(Math.min(Math.max(headerWidth, cellWidth) + table.getRowMargin(), maxWidth));
        if (columnIndex >= 0) {
            break;
        }
    }
}

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From source file:Main.java

/**
 * Save the contents of a table to a TSV file
 * Note:  uses toString() on the header cells as well as the data cells.  If you've got funny columns,
 * expect funny behavior//from  w  ww.  j  ava 2  s .c o m
 * @param table
 * @param outFile
 * @throws IOException
 */
public static void SaveTableAsTSV(JTable table, File outFile) throws IOException {
    PrintWriter outPW = new PrintWriter(outFile);

    TableModel tableModel = table.getModel();
    TableColumnModel columnModel = table.getColumnModel();

    StringBuffer headerLineBuf = new StringBuffer();
    for (int i = 0; i < columnModel.getColumnCount(); i++) {
        if (i > 0)
            headerLineBuf.append("\t");
        headerLineBuf.append(columnModel.getColumn(i).getHeaderValue().toString());
    }
    outPW.println(headerLineBuf.toString());
    outPW.flush();
    for (int i = 0; i < tableModel.getRowCount(); i++) {
        StringBuffer lineBuf = new StringBuffer();
        for (int j = 0; j < tableModel.getColumnCount(); j++) {
            if (j > 0)
                lineBuf.append("\t");
            lineBuf.append(tableModel.getValueAt(i, j).toString());
        }
        outPW.println(lineBuf.toString());
        outPW.flush();
    }
    outPW.close();
}

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From source file:com.limegroup.gnutella.gui.GUIUtils.java

/**
 * It will adjust the column width to match the widest element.
 * (You might not want to use this for every column, consider some columns might be really long)
 * @param model/*from w ww.j a  v  a2s .c  o  m*/
 * @param columnIndex
 * @param table
 * @return
 */
public static void adjustColumnWidth(TableModel model, int columnIndex, int maxWidth, int rightPadding,
        JTable table) {

    if (columnIndex > model.getColumnCount() - 1) {
        //invalid column index
        return;
    }

    if (!model.getColumnClass(columnIndex).equals(String.class)) {
        return;
    }

    String longestValue = "";
    for (int row = 0; row < model.getRowCount(); row++) {
        String strValue = (String) model.getValueAt(row, columnIndex);
        if (strValue != null && strValue.length() > longestValue.length()) {
            longestValue = strValue;
        }
    }

    Graphics g = table.getGraphics();

    try {
        int suggestedWidth = (int) g.getFontMetrics(table.getFont()).getStringBounds(longestValue, g)
                .getWidth();
        table.getColumnModel().getColumn(columnIndex)
                .setPreferredWidth(((suggestedWidth > maxWidth) ? maxWidth : suggestedWidth) + rightPadding);
    } catch (Exception e) {
        table.getColumnModel().getColumn(columnIndex).setPreferredWidth(maxWidth);
        e.printStackTrace();
    }

}

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From source file:edu.scripps.fl.pubchem.xml.extract.XMLExtractor.java

public Map<Integer, String> getColumnsMap(TableModel tableModel) {
    Map<Integer, String> map = new CaseInsensitiveMap();
    for (int ii = 0; ii < tableModel.getColumnCount(); ii++) {
        String name = tableModel.getColumnName(ii);
        if (null != name) { // excel sometimes adds null columns
            name = name.replaceAll("[-\\s+]", "");
            map.put(ii, name);/*from www . java  2  s.co m*/
        }
    }
    return map;
}

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From source file:fll.web.FullTournamentTest.java

/**
 * Find a column index in a table model by name.
 * //  ww w  .  j a va 2  s  . c  om
 * @return -1 if not found
 */
private static int findColumnByName(final TableModel tableModel, final String name) {
    for (int i = 0; i < tableModel.getColumnCount(); ++i) {
        if (name.equals(tableModel.getColumnName(i))) {
            return i;
        }
    }
    return -1;
}

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From source file:edu.scripps.fl.pubchem.xml.PopulateArray.java

public Map<String, Integer> getColumnsMap(TableModel tableModel) {

    Map<String, Integer> map = new CaseInsensitiveMap();
    for (int ii = 0; ii < tableModel.getColumnCount(); ii++) {
        String name = tableModel.getColumnName(ii);
        if (null != name) { // excel sometimes adds null columns
            name = name.replaceAll("[-\\s+]", "");
            map.put(name, ii);//  w  ww .  j av  a 2s. c om
        }
    }
    return map;
}

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From source file:at.tuwien.ifs.feature.evaluation.SimilarityRetrievalGUI.java

private void initButtonSaveResults() {
    btnSaveResults = new JButton("Save as ...");
    btnSaveResults.setEnabled(false); // can't save right away, need a first search
    btnSaveResults.addActionListener(new ActionListener() {
        @Override//from  ww  w .j  a v  a 2  s .c om
        public void actionPerformed(ActionEvent e) {
            fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
            if (fileChooser.getSelectedFile() != null) { // reusing the dialog
                fileChooser.setSelectedFile(null);
            }

            int returnVal = fileChooser.showDialog(SimilarityRetrievalGUI.this, "Save results to file ...");
            if (returnVal == JFileChooser.APPROVE_OPTION) {
                try {
                    PrintWriter w = FileUtils.openFileForWriting("Results file",
                            fileChooser.getSelectedFile().getAbsolutePath());
                    TableModel model = resultsTable.getModel();

                    // column headers
                    for (int col = 0; col < model.getColumnCount(); col++) {
                        w.print(model.getColumnName(col) + "\t");
                    }
                    w.println();

                    // write each data row
                    for (int row = 0; row < model.getRowCount(); row++) {
                        for (int col = 0; col < model.getColumnCount(); col++) {
                            w.print(model.getValueAt(row, col) + "\t");
                        }
                        w.println();
                    }
                    w.flush();
                    w.close();
                    JOptionPane.showMessageDialog(SimilarityRetrievalGUI.this,
                            "Successfully wrote to file " + fileChooser.getSelectedFile().getAbsolutePath(),
                            "Results stored", JOptionPane.INFORMATION_MESSAGE);

                } catch (IOException e1) {
                    e1.printStackTrace();
                }
            }
        }
    });
}

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From source file:uk.ac.lkl.cram.ui.report.Report.java

private void addSummary() {
    MainDocumentPart mdp = wordMLPackage.getMainDocumentPart();
    mdp.addStyledParagraphOfText("Heading1", "Summary");
    Tbl table = factory.createTbl();/*  w  w  w  . j  a  va2 s .  co  m*/
    Tr tableHead = factory.createTr();
    TableModel tableModel = new SummaryReportModel(module);
    int columnCount = tableModel.getColumnCount();
    for (int col = 0; col < columnCount; col++) {
        addTableCell(tableHead, tableModel.getColumnName(col), JcEnumeration.CENTER, true);
    }
    table.getContent().add(tableHead);
    for (int row = 0; row < tableModel.getRowCount(); row++) {
        boolean lastRow = row == tableModel.getRowCount() - 1;
        Tr tableRow = factory.createTr();
        if (lastRow) {
            addTableCell(tableRow, tableModel.getValueAt(row, 0).toString(), JcEnumeration.LEFT, true);
        } else {
            addSimpleTableCell(tableRow, tableModel.getValueAt(row, 0).toString());
        }
        for (int col = 1; col < columnCount; col++) {
            if (row > 4) {
                addTableCell(tableRow, CURRENCY_FORMATTER.format(tableModel.getValueAt(row, col)),
                        JcEnumeration.RIGHT, lastRow);
            } else {
                addTableCell(tableRow, INTEGER_FORMATTER.format(tableModel.getValueAt(row, col)),
                        JcEnumeration.RIGHT, lastRow);
            }
        }
        table.getContent().add(tableRow);
    }
    addBorders(table);
    mdp.addObject(table);
}

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From source file:uk.ac.lkl.cram.ui.report.Report.java

private void addLearningActivities() {
    MainDocumentPart mdp = wordMLPackage.getMainDocumentPart();
    mdp.addStyledParagraphOfText("Heading1", "Learning Activities");
    float online_hours = 0f;
    float f2f_hours = 0f;
    Tbl table = factory.createTbl();//from   w w  w.j  a  va 2s.  c  o m
    Tr tableHead = factory.createTr();
    TableModel tableModel = new ModuleReportModel(module);
    for (int col = 0; col < tableModel.getColumnCount(); col++) {
        addTableCell(tableHead, tableModel.getColumnName(col), JcEnumeration.CENTER, true);
    }
    table.getContent().add(tableHead);
    int columnCount = tableModel.getColumnCount();
    for (int row = 0; row < tableModel.getRowCount(); row++) {
        boolean lastRow = row == tableModel.getRowCount() - 1;
        Tr tableRow = factory.createTr();
        addTableCell(tableRow, tableModel.getValueAt(row, 0).toString(), JcEnumeration.LEFT, lastRow);
        for (int col = 1; col < columnCount; col++) {
            addTableCell(tableRow, FLOAT_FORMATTER.format(tableModel.getValueAt(row, col)), JcEnumeration.RIGHT,
                    lastRow);
        }
        table.getContent().add(tableRow);
    }
    addBorders(table);
    List<TLALineItem> lineItems = module.getTLALineItems();
    for (TLALineItem lineItem : lineItems) {
        TLActivity activity = lineItem.getActivity();
        float totalLearnerHourCount = lineItem.getTotalLearnerHourCount(module);
        StudentTeacherInteraction sti = activity.getStudentTeacherInteraction();
        if (sti.isOnline()) {
            online_hours += totalLearnerHourCount;
        }
        if (sti.isTutorSupported() && sti.isLocationSpecific()) {
            f2f_hours += totalLearnerHourCount;
        }
    }
    mdp.addStyledParagraphOfText("BodyText", "Number of learner hours online: " + (int) online_hours);
    mdp.addStyledParagraphOfText("BodyText", "Number of learner hours face-to-face: " + (int) f2f_hours);
    addBorders(table);
    mdp.addObject(table);
}

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