org.eclipse.nebula.widgets.grid.GridColumn 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 ();
}
 

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 ();
}
 

private void applyFont(final GridColumn column, final FontData fd, String target) {
	if (target.equals(HEADER)) {
		if (column.getHeaderFont() != null && !column.getHeaderFont().equals(column.getDisplay().getSystemFont())) {
			column.getHeaderFont().dispose();
		}
	} else {
		if (column.getFooterFont() != null && !column.getFooterFont().equals(column.getDisplay().getSystemFont())) {
			column.getFooterFont().dispose();
		}
	}
	final Font newFont = new Font(column.getDisplay(), fd);
	if (target.equals(HEADER)) {
		column.setHeaderFont(newFont);
	} else {
		column.setFooterFont(newFont);
	}

	column.getParent().addListener(SWT.Dispose, e -> {
		if (newFont != null && !newFont.isDisposed()) {
			newFont.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.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 ();
}
 

@PostConstruct
public void createComposite(final Composite parent) {
	parent.setLayout(new FillLayout());

	grid = new Grid(parent,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");

	grid.setData(CSS_ID, "one");

}
 

void clearSelection() {
	int start = selection.x;
	int end = selection.y;
	selection.x = selection.y = caretOffset;
	selectionAnchor = -1;
	// redraw old selection, if any
	if (end - start > 0 && gridTable.getItems().length != 0) {
		if (layout == null && focusItemIndex != -1 && focusItemIndex != -1) {
			GridItem item = gridTable.getItem(focusItemIndex);
			GridColumn col = gridTable.getColumn(focusColIndex);
			GridCellRenderer gcr = col.getCellRenderer();
			if (gcr != null && gcr instanceof XGridCellRenderer) {
				GC gc = new GC(gcr.getDisplay());
				layout = ((XGridCellRenderer) gcr).getTextLayout(gc, item, focusColIndex, true, false);
				gc.dispose();
			}
			if (layout == null) {
				return;
			}
		}
		Rectangle rect = layout.getBounds(start, end);
		gridTable.redraw(rect.x + coordinateOffsetX, rect.y + coordinateOffsetY, rect.width, rect.height, false);
	}
}
 

void clearSelection() {
	int start = selection.x;
	int end = selection.y;
	selection.x = selection.y = caretOffset;
	selectionAnchor = -1;
	// redraw old selection, if any
	if (end - start > 0 && gridTable.getItems().length != 0) {
		if (layout == null && focusItemIndex != -1 && focusItemIndex != -1) {
			GridItem item = gridTable.getItem(focusItemIndex);
			GridColumn col = gridTable.getColumn(focusColIndex);
			GridCellRenderer gcr = col.getCellRenderer();
			if (gcr != null && gcr instanceof XGridCellRenderer) {
				GC gc = new GC(gcr.getDisplay());
				layout = ((XGridCellRenderer) gcr).getTextLayout(gc, item, focusColIndex, true, false);
				gc.dispose();
			}
			if (layout == null) {
				return;
			}
		}
		Rectangle rect = layout.getBounds(start, end);
		gridTable.redraw(rect.x + coordinateOffsetX, rect.y + coordinateOffsetY, rect.width, rect.height, false);
	}
}
 

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);
}
 

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.TOGGLE);
    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);
    column3.setSummary(false);
    column3.setDetail(true);
    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);
    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 ();
}
 

protected static void calculateHeight() {
	for (GridItem item : fGrid.getItems()) {
		GC gc = new GC(item.getDisplay());
		GridColumn gridColumn = fGrid.getColumn(0);
		Point textBounds = gridColumn.getCellRenderer().computeSize(gc, gridColumn.getWidth(), SWT.DEFAULT, item);
		gc.dispose();
		item.setHeight(textBounds.y);
	}
}
 

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();
}
 

/**
 * @return the bounds reserved for the control
 */
protected Rectangle getControlBounds(Object value, boolean preferred) {
	Rectangle bounds = getBounds();
	GridColumn column = (GridColumn) value;
	Point controlSize = computeControlSize(column);

	int y = getBounds().y + getBounds().height - bottomMargin - controlSize.y;

	return new Rectangle(bounds.x+3,y,bounds.width-6,controlSize.y);
}
 

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());

	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();
}
 

/**
 * @return the bounds reserved for the control
 */
protected Rectangle getControlBounds(Object value, boolean preferred) {
	Rectangle bounds = getBounds();
	GridColumn column = (GridColumn) value;
	Point controlSize = computeControlSize(column);

	int y = getBounds().y + getBounds().height - bottomMargin - controlSize.y;

	return new Rectangle(bounds.x+3,y,bounds.width-6,controlSize.y);
}
 

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 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 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);
	}
}
 

GridViewerColumn(ColumnViewer viewer, GridColumn column) {
	super(viewer, column);
	this.viewer = viewer;
    this.column = column;
    hookColumnResizeListener();
    hookVisibilityListener();
}
 

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

    return new GridColumn(table, style);
}
 

/**
 * @see org.eclipse.nebula.widgets.grid.GridHeaderRenderer#getControlBounds(java.lang.Object, boolean)
 */
protected Rectangle getControlBounds(Object value, boolean preferred) {
	Rectangle bounds = getBounds();
	GridColumn column = (GridColumn) value;
	Point controlSize = computeControlSize(column);

	int y = getBounds().y + getBounds().height - bottomMargin - controlSize.y;

	return new Rectangle(bounds.x+3,y,bounds.width-6,controlSize.y);
}
 

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 ();
}
 

void doMouseLocationChange(int x, int y, boolean select) {
	if (gridTable.getItems().length == 0) {
		defaultCaret.setVisible(false);
		return;
	}
	Point eventP = new Point(x, y);
	GridItem _focusItem = gridTable.getItem(eventP);
	GridColumn col = gridTable.getColumn(eventP);
	if (_focusItem == null) {
		return;
	}
	GridCellRenderer gcr = col.getCellRenderer();
	int colIndex = gcr.getColumn();
	if (gcr == null || !(gcr instanceof XGridCellRenderer) || !copyAbleColumnIndexs.contains(colIndex)) {
		return;
	}
	XGridCellRenderer cellRender = (XGridCellRenderer) gcr;

	Rectangle cellBounds = _focusItem.getBounds(colIndex);
	GC gc = new GC(Display.getDefault());
	layout = cellRender.getTextLayout(gc, _focusItem, colIndex, true, false);
	if (layout == null) {
		gc.dispose();
		return;
	}
	focusContent = layout.getText();
	coordinateOffsetX = cellBounds.x + cellRender.leftMargin;
	coordinateOffsetY = cellBounds.y + cellRender.topMargin + cellRender.textTopMargin;
	if (!select) {
		focusCellRect.x = cellBounds.x;
		focusCellRect.y = cellBounds.y;
		focusCellRect.height = cellBounds.height;
		focusCellRect.width = cellBounds.width;
		focusColIndex = colIndex;
		focusItemIndex = gridTable.getIndexOfItem(_focusItem);
	}

	int[] trailing = new int[1];
	int newCaretOffset = layout.getOffset(x - coordinateOffsetX, y - coordinateOffsetY, trailing);

	int newCaretLine = layout.getLineIndex(newCaretOffset + trailing[0]);
	int lineStart = layout.getLineOffsets()[newCaretLine];
	Point point = null;
	if (newCaretOffset + trailing[0] == lineStart && trailing[0] != 0) {
		newCaretOffset += trailing[0];
		newCaretOffset = layout.getPreviousOffset(newCaretOffset, SWT.MOVEMENT_CLUSTER);
		point = layout.getLocation(newCaretOffset, true);
	} else {
		newCaretOffset += trailing[0];
		point = layout.getLocation(newCaretOffset, false);
	}

	// check area, only in cell area effective
	boolean vchange = focusCellRect.y <= y && y < focusCellRect.y + focusCellRect.height;
	boolean hchange = focusCellRect.x <= x && x < focusCellRect.x + focusCellRect.width;

	if (vchange && hchange && newCaretOffset != caretOffset) {
		focusItem = _focusItem;
		caretOffset = newCaretOffset;
		if (select) {
			doMouseSelection();
		}
		defaultCaret.setVisible(true);
		Rectangle rc = layout.getLineBounds(newCaretLine);
		defaultCaret.setBounds(point.x + coordinateOffsetX, point.y + coordinateOffsetY, 0, rc.height);
	}
	if (!select) {
		caretOffset = newCaretOffset;
		clearSelection();
	}
	layout.dispose();
	layout = null;
	gc.dispose();
}
 

GridViewerColumn(ColumnViewer viewer, GridColumn column) {
	super(viewer, column);
	this.viewer = viewer;
    this.column = column;
    hookColumnResizeListener();
}
 

private Point computeControlSize(GridColumn column) {
	if( column.getHeaderControl() != null ) {
		return column.getHeaderControl().computeSize(SWT.DEFAULT, SWT.DEFAULT);
	}
	return new Point(0,0);
}
 

private void applyFont(final Grid grid, final FontData fd, String target) {
	for (GridColumn column : grid.getColumns()) {
		applyFont(column, fd, target);
	}
}
 

/**
    * {@inheritDoc}
    */
   public Point computeSize(GC gc, int wHint, int hHint, Object value)
   {
       GridColumn column = (GridColumn)value;

       gc.setFont(column.getHeaderFont());

       int x = leftMargin;
       int y = topMargin + gc.getFontMetrics().getHeight() + bottomMargin;


       if (column.getImage() != null)
       {
           x += column.getImage().getBounds().width + imageSpacing;

           y = Math.max(y, topMargin + column.getImage().getBounds().height + bottomMargin);
       }
       if (!isWordWrap())
       {
         x += gc.stringExtent(column.getText()).x + rightMargin;
       }
       else
       {
         int plainTextWidth;
         if (wHint == SWT.DEFAULT)
           plainTextWidth = getBounds().width - x - rightMargin;
         else
           plainTextWidth = wHint - x - rightMargin;

         getTextLayout(gc, column);
           textLayout.setText(column.getText());
           textLayout.setWidth(plainTextWidth < 1 ? 1 : plainTextWidth);

           x += plainTextWidth + rightMargin;

           int textHeight = topMargin;
           textHeight += textLayout.getBounds().height;
           textHeight += bottomMargin;

           y = Math.max(y, textHeight);
       }


	y += computeControlSize(column).y;

	return new Point(x, y);
}
 

/**
    * {@inheritDoc}
    */
   public Point computeSize(GC gc, int wHint, int hHint, Object value)
   {
       GridColumn column = (GridColumn)value;

       gc.setFont(column.getHeaderFont());

       int x = leftMargin;
       int y = topMargin + gc.getFontMetrics().getHeight() + bottomMargin;


       if (column.getImage() != null)
       {
           x += column.getImage().getBounds().width + imageSpacing;

           y = Math.max(y, topMargin + column.getImage().getBounds().height + bottomMargin);
       }
       if (!isWordWrap())
       {
         x += gc.stringExtent(column.getText()).x + rightMargin;
       }
       else
       {
         int plainTextWidth;
         if (wHint == SWT.DEFAULT)
           plainTextWidth = getBounds().width - x - rightMargin;
         else
           plainTextWidth = wHint - x - rightMargin;

         getTextLayout(gc, column);
           textLayout.setText(column.getText());
           textLayout.setWidth(plainTextWidth < 1 ? 1 : plainTextWidth);

           x += plainTextWidth + rightMargin;

           int textHeight = topMargin;
           textHeight += textLayout.getBounds().height;
           textHeight += bottomMargin;

           y = Math.max(y, textHeight);
       }


	y += computeControlSize(column).y;

	return new Point(x, y);
}