Attachment 285513 Details for Bug 571103 – Example program to show the issue

Example program to show the issue

TableColumnPackIssue.java (text/x-java), 3.14 KB, created by Ron Anderson

on 2021-02-10 19:30:28 EST

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Filename:

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Creator: Ron Anderson

Created: 2021-02-10 19:30:28 EST

Size: 3.14 KB

patch

obsolete

>import org.eclipse.swt.SWT;
>import org.eclipse.swt.events.SelectionAdapter;
>import org.eclipse.swt.events.SelectionEvent;
>import org.eclipse.swt.layout.GridData;
>import org.eclipse.swt.layout.GridLayout;
>import org.eclipse.swt.widgets.Button;
>import org.eclipse.swt.widgets.Composite;
>import org.eclipse.swt.widgets.Display;
>import org.eclipse.swt.widgets.Event;
>import org.eclipse.swt.widgets.Listener;
>import org.eclipse.swt.widgets.Shell;
>import org.eclipse.swt.widgets.Table;
>import org.eclipse.swt.widgets.TableColumn;
>import org.eclipse.swt.widgets.TableItem;
>
>public class TableColumnPackIssue {
>
>    public static void main(String[] args) {
>        Display display = new Display();
>        Shell shell = new Shell(display, SWT.TITLE | SWT.CLOSE | SWT.RESIZE);
>        shell.setText("TableColumnPackIssue");
>
>        GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
>        GridLayout gl = new GridLayout(1, true);
>        shell.setLayout(gl);
>        shell.setLayoutData(gd);
>
>        final Table table = new Table(shell, SWT.CHECK | SWT.BORDER
>                | SWT.V_SCROLL | SWT.H_SCROLL | SWT.MULTI | SWT.VIRTUAL);
>        gd = new GridData(SWT.FILL, SWT.FILL, true, true);
>        gd.heightHint = table.getItemHeight() * 5;
>        table.setLayoutData(gd);
>        table.setHeaderVisible(true);
>        table.setLinesVisible(true);
>        for (int col = 0; col < 5; col++) {
>            TableColumn tc = new TableColumn(table, SWT.RIGHT);
>            tc.setText(String.format("Column %d", col + 1));
>        }
>
>        table.addListener(SWT.SetData, new Listener() {
>
>            @Override
>            public void handleEvent(Event event) {
>                TableItem item = (TableItem) event.item;
>                int index = table.indexOf(item);
>                String[] labels = new String[table.getColumnCount()];
>                for (int col = 0; col < labels.length; col++) {
>                    labels[col] = String.format("%d, %d", index + 1, col + 1);
>                }
>
>                item.setText(labels);
>                item.setChecked(index == 0);
>            }
>        });
>        table.setItemCount(5);
>        table.clearAll();
>        for (TableColumn tc : table.getColumns()) {
>            tc.pack();
>        }
>
>        Composite comp = new Composite(shell, SWT.NONE);
>        gd = new GridData(SWT.CENTER, SWT.DEFAULT, true, false);
>        gl = new GridLayout(1, true);
>        comp.setLayoutData(gd);
>        comp.setLayout(gl);
>
>        Button clear = new Button(comp, SWT.PUSH);
>        clear.setText("Clear");
>        clear.addSelectionListener(new SelectionAdapter() {
>            @Override
>            public void widgetSelected(SelectionEvent e) {
>                table.removeAll();
>                table.clearAll();
>                table.setItemCount(0);
>                for (TableColumn tc : table.getColumns()) {
>                    tc.pack();
>                }
>            }
>        });
>
>        shell.pack();
>        shell.setMinimumSize(shell.getSize());
>        shell.open();
>        while (!shell.isDisposed()) {
>            if (!display.readAndDispatch()) {
>                display.sleep();
>            }
>        }
>        display.dispose();
>    }
>
>}

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Attachments on bug 571103: 285513