Attachment 260777 Details for Bug 491260 – Snippet that reproduces the issue

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Snippet that reproduces the issue

ScelaCellEditorTest.java (text/x-java), 6.11 KB, created by Eric Williams

on 2016-04-07 11:19:38 EDT

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Filename:

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Creator: Eric Williams

Created: 2016-04-07 11:19:38 EDT

Size: 6.11 KB

patch

obsolete

>package testsnippets;
> 
>import org.eclipse.jface.viewers.ArrayContentProvider;
>import org.eclipse.jface.viewers.CellEditor;
>import org.eclipse.jface.viewers.ColumnLabelProvider;
>import org.eclipse.jface.viewers.EditingSupport;
>import org.eclipse.jface.viewers.TableViewer;
>import org.eclipse.jface.viewers.TableViewerColumn;
>import org.eclipse.jface.viewers.TextCellEditor;
>import org.eclipse.jface.viewers.ViewerCell;
>import org.eclipse.swt.SWT;
>import org.eclipse.swt.layout.FillLayout;
>import org.eclipse.swt.widgets.Display;
>import org.eclipse.swt.widgets.Shell;
> 
>/**
> * Demonstrates usage of {@link TextAndDialogCellEditor}. The email column uses the
> * TextAndDialogCellEditor; othe columns use ordinary {@link TextCellEditor}s.
> *
> * @author Eric Rizzo
> *
> */
>public class ScelaCellEditorTest {
> 
>    public class Person {
>        public String givenname;
>        public String surname;
>        public String email;
> 
>        public Person(String givenname, String surname, String email) {
>            this.givenname = givenname;
>            this.surname = surname;
>            this.email = email;
>        }
> 
>        @Override
>        public String toString() {
>            return '[' + givenname + ' ' + surname + ' ' + email + ']';
>        }
>    }
> 
>    protected abstract class AbstractEditingSupport extends EditingSupport {
>        private CellEditor editor;
> 
>        public AbstractEditingSupport(TableViewer viewer, CellEditor anEditor) {
>            super(viewer);
>            this.editor = anEditor;
>        }
> 
>        @Override
>        protected boolean canEdit(Object element) {
>            return editor != null;
>        }
> 
>        @Override
>        protected CellEditor getCellEditor(Object element) {
>            return editor;
>        }
> 
>        @Override
>        protected void setValue(Object element, Object value) {
>            doSetValue(element, value);
>            getViewer().update(element, null);
>        }
> 
>        protected abstract void doSetValue(Object element, Object value);
>    }
> 
>    public ScelaCellEditorTest(Shell shell) {
>        TableViewer v = new TableViewer(shell, SWT.BORDER | SWT.FULL_SELECTION);
>        v.setContentProvider(ArrayContentProvider.getInstance());
> 
>        TableViewerColumn column = new TableViewerColumn(v, SWT.NONE);
>        column.getColumn().setWidth(200);
>        column.getColumn().setText("Givenname");
>        column.getColumn().setMoveable(true);
>        column.setLabelProvider(new ColumnLabelProvider() {
> 
>            @Override
>            public String getText(Object element) {
>                return ((Person) element).givenname;
>            }
>        });
> 
>        column.setEditingSupport(new AbstractEditingSupport(v, new TextCellEditor(v.getTable())) {
> 
>            @Override
>            protected Object getValue(Object element) {
>                return ((Person) element).givenname;
>            }
> 
>            @Override
>            protected void doSetValue(Object element, Object value) {
>                ((Person) element).givenname = value.toString();
>            }
> 
>        });
> 
>        column = new TableViewerColumn(v, SWT.NONE);
>        column.getColumn().setWidth(200);
>        column.getColumn().setText("Surname");
>        column.getColumn().setMoveable(true);
>        column.setLabelProvider(new ColumnLabelProvider() {
> 
>            @Override
>            public String getText(Object element) {
>                return ((Person) element).surname;
>            }
> 
>        });
> 
>        column.setEditingSupport(new AbstractEditingSupport(v, new TextCellEditor(v.getTable())) {
>            @Override
>            protected Object getValue(Object element) {
>                return ((Person) element).surname;
>            }
> 
>            @Override
>            protected void doSetValue(Object element, Object value) {
>                ((Person) element).surname = value.toString();
>            }
> 
>        });
> 
>        column = new TableViewerColumn(v, SWT.NONE);
>        column.getColumn().setWidth(200);
>        column.getColumn().setText("E-Mail");
>        column.getColumn().setMoveable(true);
>        column.setLabelProvider(new ColumnLabelProvider() {
>            @Override
>            public String getText(Object element) {
>                return ((Person) element).email;
>            }
> 
>        });
> 
> 
>        TextCellEditor cellEditor = new TextCellEditor(v.getTable());
>//      cellEditor.setDialogMessage("Enter email address");
>        column.setEditingSupport(new AbstractEditingSupport(v, cellEditor) {
> 
>            @Override
>            protected Object getValue(Object element) {
>                return ((Person) element).email;
>            }
> 
>            @Override
>            protected void doSetValue(Object element, Object value) {
>                ((Person) element).email = value.toString();
>            }
> 
>            // Print out the model after each edit to verify its values are updated correctly
>            @Override
>            protected void saveCellEditorValue(CellEditor cellEditor, ViewerCell cell) {
>                super.saveCellEditorValue(cellEditor, cell);
>                System.out.println(cell.getElement());
>            }
>        });
> 
>        Person[] model = createModel();
>        v.setInput(model);
>        v.getTable().setLinesVisible(true);
>        v.getTable().setHeaderVisible(true);
>    }
> 
>    private Person[] createModel() {
>        Person[] elements = new Person[4];
>        elements[0] = new Person("Tom", "Schindl",
>                "tom.schindl@bestsolution.at");
>        elements[1] = new Person("Boris", "Bokowski",
>                "Boris_Bokowski@ca.ibm.com");
>        elements[2] = new Person("Tod", "Creasey", "Tod_Creasey@ca.ibm.com");
>        elements[3] = new Person("Wayne", "Beaton", "wayne@eclipse.org");
> 
>        return elements;
>    }
> 
>    /**
>     * @param args
>     */
>    public static void main(String[] args) {
>        Display display = new Display();
> 
>        Shell shell = new Shell(display);
>        shell.setLayout(new FillLayout());
>        new ScelaCellEditorTest(shell);
>        shell.open();
> 
>        while (!shell.isDisposed()) {
>            if (!display.readAndDispatch())
>                display.sleep();
>        }
> 
>        display.dispose();
> 
>    }
> 
>}

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Attachments on bug 491260: 260777 | 260778