org.eclipse.nebula.widgets.grid.Grid Java Examples

public static void main (String [] args) {
    Display display = new Display ();
    Shell shell = new Shell (display);
    shell.setLayout(new FillLayout());

    Grid grid = new Grid(shell,SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    grid.setHeaderVisible(true);
    GridColumn column = new GridColumn(grid,SWT.NONE);
    column.setTree(true);
    column.setText("Column 1");
    column.setWidth(100);
    GridItem item1 = new GridItem(grid,SWT.NONE);
    item1.setText("Root Item");
    GridItem item2 = new GridItem(item1,SWT.NONE);
    item2.setText("Second item");
    GridItem item3 = new GridItem(item2,SWT.NONE);
    item3.setText("Third Item");
    
    shell.setSize(200,200);
    shell.open ();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch ()) display.sleep ();
    }
    display.dispose ();
}
 

/**
    * FIXME
    * {@inheritDoc}
    */
public ViewerCell getFocusCell() {
	Grid grid = (Grid)getViewer().getControl();

	if( grid.getCellSelectionEnabled() ) {
		Point p = grid.getFocusCell();

		if( p.x >= 0 && p.y >= 0 ) {
			GridItem item = grid.getItem(p.y);
			if( item != null ) {
				ViewerRow row = getViewerRowFromItem(item);
				return row.getCell(p.x);
			}
		}
	}

	return null;
}
 

/**
    * FIXME
    * {@inheritDoc}
    */
@Override
public ViewerCell getFocusCell() {
	Grid grid = (Grid)getViewer().getControl();

	if( grid.getCellSelectionEnabled() ) {
		Point p = grid.getFocusCell();

		if( p.x >= 0 && p.y >= 0 ) {
			GridItem item = grid.getItem(p.y);
			if( item != null ) {
				ViewerRow row = getViewerRowFromItem(item);
				return row.getCell(p.x);
			}
		}
	}

	return null;
}
 

public static void main (String [] args) {
    Display display = new Display ();
    Shell shell = new Shell (display);
    shell.setLayout(new FillLayout());

    Grid grid = new Grid(shell,SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    grid.setHeaderVisible(true);
    GridColumn column = new GridColumn(grid,SWT.NONE);
    column.setText("Column 1");
    column.setWidth(100);
    GridColumn column2 = new GridColumn(grid,SWT.NONE);
    column2.setText("Column 2");
    column2.setWidth(100);
    GridItem item1 = new GridItem(grid,SWT.NONE);
    item1.setText("First Item");
    item1.setText(1,"xxxxxxx");
    GridItem item2 = new GridItem(grid,SWT.NONE);
    item2.setText("This cell spans both columns");
    item1.setText(1,"xxxxxxx");
    item2.setColumnSpan(0,1);
    GridItem item3 = new GridItem(grid,SWT.NONE);
    item3.setText("Third Item");
    item1.setText(1,"xxxxxxx");
    
    shell.setSize(200,200);
    shell.open ();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch ()) display.sleep ();
    }
    display.dispose ();
}
 

public ViewerCell getFocusCell() {
	Grid grid = (Grid)getViewer().getControl();

	if( grid.getCellSelectionEnabled() ) {
		Point p = grid.getFocusCell();

		if( p.x >= 0 && p.y >= 0 ) {
			GridItem item = grid.getItem(p.y);
			if( item != null ) {
				ViewerRow row = getViewerRowFromItem(item);
				return row.getCell(p.x);
			}
		}
	}

	return null;
}
 

private void applyCSSPropertyFont(final Object element, final Grid grid, final CSSValue value, String target) throws Exception {
	if (value.getCssValueType() == CSSValue.CSS_VALUE_LIST) {
		final CSSValueList valueList = (CSSValueList) value;
		final int length = valueList.getLength();
		for (int i = 0; i < length; i++) {
			final CSSValue value2 = valueList.item(i);
			if (value2.getCssValueType() == CSSValue.CSS_PRIMITIVE_VALUE) {
				final String cssProp = CSS2FontHelper.getCSSFontPropertyName((CSSPrimitiveValue) value2);
				if (cssProp.equals("font-family")) {
					applyCSSPropertyFamily(element, grid, value2, target);
				} else if (cssProp.equals("font-size")) {
					applyCSSPropertySize(element, grid, value2, target);
				} else if (cssProp.equals("font-weight") && ("bold".equals(value2.getCssText()) || "bolder".equals(value2.getCssText()))) {
					applyCSSPropertyWeight(element, grid, value2, target);
				} else if (cssProp.equals("font-style") && ("italic".equals(value2.getCssText()) || "oblique".equals(value2.getCssText()))) {
					applyCSSPropertyStyle(element, grid, value2, target);
				}
			}
		}
	}
}
 

private boolean applyCSSPropertyStyle(final Object element, final Grid grid, final CSSValue value, String target) throws Exception {
	if (value.getCssValueType() == CSSValue.CSS_PRIMITIVE_VALUE) {
		final FontData fd = CSSEngineHelper.getFontData(grid);
		boolean modified = false;
		if ("italic".equals(value.getCssText()) || "oblique".equals(value.getCssText())) {
			modified = (fd.getStyle() & SWT.ITALIC) != SWT.ITALIC;
			if (modified) {
				fd.setStyle(fd.getStyle() | SWT.ITALIC);
			}
		} else {
			modified = (fd.getStyle() & SWT.ITALIC) == SWT.ITALIC;
			if (modified) {
				fd.setStyle(fd.getStyle() | ~SWT.ITALIC);
			}
		}
		if (modified) {
			applyFont(grid, fd, target);
		}

	}
	return true;
}
 

private boolean applyCSSPropertyWeight(final Object element, final Grid grid, final CSSValue value, String target) throws Exception {
	if (value.getCssValueType() == CSSValue.CSS_PRIMITIVE_VALUE) {
		final FontData fd = CSSEngineHelper.getFontData(grid);
		boolean modified = false;
		if ("bold".equals(value.getCssText()) || "bolder".equals(value.getCssText())) {
			modified = (fd.getStyle() & SWT.BOLD) != SWT.BOLD;
			if (modified) {
				fd.setStyle(fd.getStyle() | SWT.BOLD);
			}
		} else {
			modified = (fd.getStyle() & SWT.BOLD) == SWT.BOLD;
			if (modified) {
				fd.setStyle(fd.getStyle() | ~SWT.BOLD);
			}
		}
		if (modified) {
			applyFont(grid, fd, target);
		}

	}
	return true;
}
 

public static void main (String [] args) {
    Display display = new Display ();
    Shell shell = new Shell (display);
    shell.setLayout(new FillLayout());

    Grid grid = new Grid(shell,/*SWT.BORDER |*/ SWT.V_SCROLL | SWT.H_SCROLL);
  //  grid.setHeaderVisible(true);
    GridColumn column = new GridColumn(grid,SWT.NONE);
   // column.setTree(true);
   // column.setText("Column 1");
  //  column.setWidth(100);
    GridItem item1 = new GridItem(grid,SWT.NONE);
    item1.setText("Root Item");
    GridItem item2 = new GridItem(grid,SWT.NONE);
    item2.setText("Second item");
    GridItem item3 = new GridItem(grid,SWT.NONE);
    item3.setText("Third Item");
    
    shell.setSize(200,200);
    shell.open ();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch ()) display.sleep ();
    }
    display.dispose ();
}
 

/**
 * {@inheritDoc}
 */
protected void updateFocusCell(ViewerCell focusCell, ColumnViewerEditorActivationEvent event) {
	Grid grid = ((Grid)getViewer().getControl());

	if (event.eventType == ColumnViewerEditorActivationEvent.PROGRAMMATIC
			|| event.eventType == ColumnViewerEditorActivationEvent.TRAVERSAL) {
		grid.setFocusColumn(grid.getColumn(focusCell.getColumnIndex()));
		grid.setFocusItem((GridItem) focusCell.getItem());
		
		if( selectionFollowsEditor ) {
			grid.setCellSelection(new Point(focusCell.getColumnIndex(),grid.indexOf((GridItem)focusCell.getItem())));
		}
	}
			
	grid.showColumn(grid.getColumn(focusCell.getColumnIndex()));
	grid.showItem((GridItem) focusCell.getItem()); 
}
 

public static void main(String[] args) {
	Display display = new Display();
	Shell shell = new Shell(display);
	shell.setLayout(new FillLayout());

	Grid grid = new Grid(shell, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
	grid.setHeaderVisible(true);

	GridColumn firstColumn = new GridColumn(grid, SWT.NONE);
	firstColumn.setText("Column 1 (START Truncation)");
	firstColumn.setWidth(150);
	firstColumn.getCellRenderer().setTruncationStyle(SWT.LEFT);

	GridColumn secondColumn = new GridColumn(grid, SWT.NONE);
	secondColumn.setText("Column 1 (MIDDLE Truncation)");
	secondColumn.setWidth(150);
	secondColumn.getCellRenderer().setTruncationStyle(SWT.CENTER);

	GridColumn thirdColumn = new GridColumn(grid, SWT.NONE);
	thirdColumn.setText("Column 1 (END Truncation)");
	thirdColumn.setWidth(150);
	thirdColumn.getCellRenderer().setTruncationStyle(SWT.RIGHT);

	for (int i = 0; i < 50; i++) {
		GridItem item = new GridItem(grid, SWT.NONE);
		item.setText(0, "Start truncation for this text (line #" + i + ")");
		item.setText(1, "Middle truncation for this text (line #" + i + ")");
		item.setText(2, "End truncation for this text (line #" + i + ")");
	}

	shell.setSize(500,400);
	shell.open();
	while (!shell.isDisposed()) {
		if (!display.readAndDispatch())
			display.sleep();
	}
	display.dispose();
}
 

public static void main(String[] args) {
	Display display = new Display();
	Shell shell = new Shell(display);
	shell.setLayout(new FillLayout());

	Grid grid = new Grid(shell, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
	grid.setHeaderVisible(true);
	grid.setMoveOnTab(true);

	GridColumn column = new GridColumn(grid, SWT.NONE);
	column.setText("Column 1");
	column.setWidth(100);
	GridColumn column2 = new GridColumn(grid, SWT.NONE);
	column2.setText("Column 2");
	column2.setWidth(100);
	GridItem item1 = new GridItem(grid, SWT.NONE);
	item1.setText("First Item");
	item1.setText(1, "xxxxxxx");
	GridItem item2 = new GridItem(grid, SWT.NONE);
	item2.setText("This cell spans both columns");
	item1.setText(1, "xxxxxxx");
	item2.setColumnSpan(0, 1);
	GridItem item3 = new GridItem(grid, SWT.NONE);
	item3.setText("Third Item");
	item1.setText(1, "xxxxxxx");

	shell.setSize(200, 200);
	shell.open();
	while (!shell.isDisposed()) {
		if (!display.readAndDispatch())
			display.sleep();
	}
	display.dispose();
}
 

public static void main(String[] args) {
	Display display = new Display();
	Shell shell = new Shell(display);
	shell.setLayout(new FillLayout());

	final Grid grid = new Grid(shell, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
	grid.setHeaderVisible(true);
	grid.setAutoHeight(true);
	grid.setAutoWidth(true);

	GridColumn column1 = new GridColumn(grid, SWT.NONE);
	column1.setText("Column 1");
	column1.setWidth(150);
	column1.setWordWrap(true);

	GridColumn column2 = new GridColumn(grid, SWT.NONE);
	column2.setText("Column 2");
	column2.setWidth(200);
	column2.setWordWrap(true);

	GridItem item1 = new GridItem(grid, SWT.NONE);
	item1.setText(0, "Item 1, Column 0: " + LONG_TEXT);
	item1.setText(1, "Item 1, Column 1: " + LONG_TEXT);

	GridItem item2 = new GridItem(grid, SWT.NONE);
	item2.setText("Item 2, Columns 0-1: " + LONG_TEXT);
	item2.setColumnSpan(0, 1);

	GridItem item3 = new GridItem(grid, SWT.NONE);
	item3.setText(0, "Item 3, Column 0: " + MEDIUM_TEXT);
	item3.setText(1, "Item 3, Column 1: " + MEDIUM_TEXT);

	shell.setSize(400, 400);
	shell.open();
	while (!shell.isDisposed()) {
		if (!display.readAndDispatch())
			display.sleep();
	}
	display.dispose();
}
 

/**
 * {@inheritDoc}
 */
protected void setColumnWidths(Scrollable tableTree, int[] widths) {
	GridColumn[] columns = ((Grid) tableTree).getColumns();
	for (int i = 0; i < widths.length; i++) {
		columns[i].setWidth(widths[i]);
	}
}
 

/** {@inheritDoc} */
protected Item[] getChildren(Widget o) {
	if (o instanceof GridItem) {
		return ((GridItem) o).getItems();
	}
	if (o instanceof Grid) {
		return ((Grid) o).getRootItems();
	}
	return null;
}
 

GridViewerEditor(ColumnViewer viewer,
		ColumnViewerEditorActivationStrategy editorActivationStrategy,
		int feature) {
	super(viewer, editorActivationStrategy, feature);
	this.selectionFollowsEditor = (feature & SELECTION_FOLLOWS_EDITOR) == SELECTION_FOLLOWS_EDITOR;
	this.gridEditor = new GridEditor((Grid) viewer.getControl());
}
 

public static void main (String [] args) {
    Display display = new Display ();
    Shell shell = new Shell (display);
    shell.setLayout(new FillLayout());

    Grid grid = new Grid(shell,SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    grid.setHeaderVisible(true);
    GridColumn column = new GridColumn(grid,SWT.NONE);
    column.setText("Column 1");
    column.setWidth(100);
    GridColumnGroup columnGroup = new GridColumnGroup(grid,SWT.NONE);
    columnGroup.setText("Column Group");
    GridColumn column2 = new GridColumn(columnGroup,SWT.NONE);
    column2.setText("Column 2");
    column2.setWidth(60);
    GridColumn column3 = new GridColumn(columnGroup,SWT.NONE);
    column3.setText("Column 3");
    column3.setWidth(60);
    GridItem item1 = new GridItem(grid,SWT.NONE);
    item1.setText("First Item");
    item1.setText(1,"abc");
    GridItem item2 = new GridItem(grid,SWT.NONE);
    item2.setText("Second Item");
    item2.setText(2,"def");
    GridItem item3 = new GridItem(grid,SWT.NONE);
    item3.setText("Third Item");
    item3.setText(1,"xyz");
    
    shell.setSize(250,250);
    shell.open ();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch ()) display.sleep ();
    }
    display.dispose ();
}
 

public static void main (String [] args) {
    Display display = new Display ();
    Shell shell = new Shell (display);
    shell.setLayout(new FillLayout());

    Grid grid = new Grid(shell,SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    grid.setHeaderVisible(true);
    GridColumn column = new GridColumn(grid,SWT.NONE);
    column.setText("Column 1");
    column.setWidth(100);
    GridColumn column2 = new GridColumn(grid,SWT.CHECK | SWT.CENTER);
    column2.setText("Column 2");
    column2.setWidth(100);
    GridItem item1 = new GridItem(grid,SWT.NONE);
    item1.setText("First Item");
    item1.setChecked(1,true);
    GridItem item2 = new GridItem(grid,SWT.NONE);
    item2.setText("Second Item");
    GridItem item3 = new GridItem(grid,SWT.NONE);
    item3.setText("Third Item");
    
    shell.setSize(250,250);
    shell.open ();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch ()) display.sleep ();
    }
    display.dispose ();
}
 

/**
 * {@inheritDoc}
 */
protected void updateColumnData(Widget column) {
	GridColumn gColumn = (GridColumn) column;
	Grid g = gColumn.getParent();

	if (!IS_GTK || g.getColumn(g.getColumnCount() - 1) != gColumn) {
		gColumn.setData(LAYOUT_DATA,
				new ColumnPixelData(gColumn.getWidth()));
		layout(g.getParent(), true);
	}
}
 

private static GridColumn createColumn(Grid table, int style, int index)
{
    if (index >= 0)
    {
        return new GridColumn(table, style, index);
    }

    return new GridColumn(table, style);
}
 

private static GridColumn createColumn(Grid table, int style, int index) 
{
    if (index >= 0) 
    {
        return new GridColumn(table, style, index);
    }

    return new GridColumn(table, style);
}
 

/** {@inheritDoc} */
protected Item[] getChildren(Widget o) {
	if (o instanceof GridItem) {
		return ((GridItem) o).getItems();
	}
	if (o instanceof Grid) {
		return ((Grid) o).getRootItems();
	}
	return null;
}
 

/** {@inheritDoc} */
protected Item[] getChildren(Widget o) {
	if (o instanceof GridItem) {
		return ((GridItem) o).getItems();
	}
	if (o instanceof Grid) {
		return ((Grid) o).getRootItems();
	}
	return null;
}
 

private boolean applyCSSPropertyFamily(final Object element, final Grid grid, final CSSValue value, String target) throws Exception {
	if (value.getCssValueType() == CSSValue.CSS_PRIMITIVE_VALUE) {
		final FontData fd = CSSEngineHelper.getFontData(grid);
		final boolean modified = !fd.getName().equals(value.getCssText());
		if (modified) {
			fd.setName(value.getCssText());
			applyFont(grid, fd, target);
		}
	}
	return true;
}
 

/**
 * @param gridTable
 */
public GridCopyEnable(Grid gridTable) {
	Assert.isNotNull(gridTable);
	this.gridTable = gridTable;
	defaultCaret = new Caret(gridTable, SWT.NONE);
	clipboard = new Clipboard(gridTable.getDisplay());
	this.gridTable.setCaret(defaultCaret);
	this.gridTable.setCursor(Display.getDefault().getSystemCursor(SWT.CURSOR_IBEAM));
	initListener();
}
 

/** {@inheritDoc} */
protected int getItemCount(Control control) {
	return ((Grid) control).getItemCount();
}
 

/** {@inheritDoc} */
protected int getItemCount(Control control) {
	return ((Grid) control).getItemCount();
}
 

/** {@inheritDoc} */
protected void addTreeListener(Control control, TreeListener listener) {
	((Grid) control).addTreeListener(listener);
}
 

/**
 * Calculates the sequence of branch lines which should be rendered for the provided item
 * @param item
 * @return an array of integers composed using the constants in {@link BranchRenderer}
 */
private int[] getBranches(GridItem item) {
	int[] branches = new int[item.getLevel() + 1];
	GridItem[] roots = item.getParent().getRootItems();

	// Is this a node or a leaf?
	if (item.getParentItem() == null) {
		// Add descender if not last item
		if (!item.isExpanded() && roots[roots.length - 1].equals(item)) {
			if (item.hasChildren())
				branches[item.getLevel()] = BranchRenderer.LAST_ROOT;
			else
				branches[item.getLevel()] = BranchRenderer.SMALL_L;
		} else {
			if (item.hasChildren())
				branches[item.getLevel()] = BranchRenderer.ROOT;
			else
				branches[item.getLevel()] = BranchRenderer.SMALL_T;
		}

	} else if (item.hasChildren())
		if (item.isExpanded())
			branches[item.getLevel()] = BranchRenderer.NODE;
		else
			branches[item.getLevel()] = BranchRenderer.NONE;
	else
		branches[item.getLevel()] = BranchRenderer.LEAF;

	// Branch for current item
	GridItem parent = item.getParentItem();
	if (parent == null)
		return branches;

	// Are there siblings below this item?
	if (parent.indexOf(item) < parent.getItemCount() - 1)
		branches[item.getLevel() - 1] = BranchRenderer.T;

	// Is the next node a root?
	else if (parent.getParentItem() == null && !parent.equals(roots[roots.length - 1]))
		branches[item.getLevel() - 1] = BranchRenderer.T;

	// This must be the last element at this level
	else
		branches[item.getLevel() - 1] = BranchRenderer.L;

	Grid grid = item.getParent();
	item = parent;
	parent = item.getParentItem();

	// Branches for parent items
	while (item.getLevel() > 0) {
		if (parent.indexOf(item) == parent.getItemCount() - 1) {
			if (parent.getParentItem() == null && !grid.getRootItem(grid.getRootItemCount() - 1).equals(parent))
				branches[item.getLevel() - 1] = BranchRenderer.I;
			else
				branches[item.getLevel() - 1] = BranchRenderer.NONE;
		} else
			branches[item.getLevel() - 1] = BranchRenderer.I;
		item = parent;
		parent = item.getParentItem();
	}
	// item should be null at this point
	return branches;
}
 

/**
    * Calculates the sequence of branch lines which should be rendered for the provided item
    * @param item
    * @return an array of integers composed using the constants in {@link BranchRenderer}
    */
   private int[] getBranches(GridItem item) {
	int[] branches = new int[item.getLevel() + 1];
	GridItem[] roots = item.getParent().getRootItems();

	// Is this a node or a leaf?
	if (item.getParentItem() == null) {
		// Add descender if not last item
		if (!item.isExpanded() && roots[roots.length-1].equals(item)) {
			if (item.hasChildren())
				branches[item.getLevel()] = BranchRenderer.LAST_ROOT;
			else
				branches[item.getLevel()] = BranchRenderer.SMALL_L;
		}
		else {
			if (item.hasChildren())
				branches[item.getLevel()] = BranchRenderer.ROOT;
			else
				branches[item.getLevel()] = BranchRenderer.SMALL_T;
		}

	}
	else if (item.hasChildren())
		if (item.isExpanded())
			branches[item.getLevel()] = BranchRenderer.NODE;
		else
			branches[item.getLevel()] = BranchRenderer.NONE;
	else
		branches[item.getLevel()] = BranchRenderer.LEAF;

	// Branch for current item
	GridItem parent = item.getParentItem();
	if (parent == null)
		return branches;

	// Are there siblings below this item?
	if (parent.indexOf(item) < parent.getItemCount() - 1)
		branches[item.getLevel() - 1] = BranchRenderer.T;

	// Is the next node a root?
	else if (parent.getParentItem() == null && !parent.equals(roots[roots.length - 1]))
		branches[item.getLevel() - 1] = BranchRenderer.T;

	// This must be the last element at this level
	else
		branches[item.getLevel() - 1] = BranchRenderer.L;

	Grid grid = item.getParent();
	item = parent;
	parent = item.getParentItem();

	// Branches for parent items
	while(item.getLevel() > 0) {
		if (parent.indexOf(item) == parent.getItemCount() - 1) {
			if (parent.getParentItem() == null && !grid.getRootItem(grid.getRootItemCount() - 1).equals(parent))
				branches[item.getLevel() - 1] = BranchRenderer.I;
			else
				branches[item.getLevel() - 1] = BranchRenderer.NONE;
		}
		else
			branches[item.getLevel() - 1] = BranchRenderer.I;
		item = parent;
		parent = item.getParentItem();
	}
	// item should be null at this point
	return branches;
}