Example usage for org.eclipse.jface.viewers ViewerCell equals

Introduction

In this page you can find the example usage for org.eclipse.jface.viewers ViewerCell equals.

Prototype

@Override
    public boolean equals(Object obj) 

Source Link

Usage

From source file:com.netxforge.screens.editing.base.tables.SWTFocusBlockManager.java

License:Open Source License

/**
 * Handle mouse down event. The {@link #getFocusCell() focus cell} because
 * the {@link ViewerCell cell} at the {@link Event} coordinates. </p>The
 * state is set to 'dragging'.//from  w ww  . j a  v  a  2  s  . co  m
 * 
 * @param event
 */
private void handleMouseDown(Event event) {

    ViewerCell cell = viewer.getCell(new Point(event.x, event.y));

    if (cell != null) {
        if (!cell.equals(focusCell)) {
            setFocusCell(cell, event);
        }
    }
    cleanFocusBlock(focusCell, event);
    cellDragging = true;

    setCursorAccelerator(isAccelarating(event));
    // System.out
    // .println(" moving down, activate cell dragging, block size = "
    // + focusBlock.size());
}

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From source file:com.netxforge.screens.editing.base.tables.SWTFocusBlockManager.java

License:Open Source License

/**
 * Handle mouse dragging./*from ww w .j a v  a2 s.co m*/
 * 
 * @param event
 */
private void handleCellDragging(Event event) {

    // in the new position, look if we are the focus cell,
    // if not, add to our cell blow only if we are the below neighbour...
    ViewerCell cell = viewer.getCell(new Point(event.x, event.y));

    if (cell != null) {

        if (!lastInFocusBlock(cell)) {
            // if we are not the last cell, but we are in the block, we
            // should get the position
            // to remove other cells..
            if (inFocusBlock(cell)) {
                cleanFocusBlock(cell, event);
                // System.out.println("Dragging....removing cell in column:"
                // + cell.getVisualIndex() + " size of block = "
                // + focusBlock.size());
            } else {

                // we can add it now.
                // do this for the last cell, not last focus cell.
                ViewerCell belowNeighborCell = lastCellInBlock().getNeighbor(ViewerCell.BELOW, false);
                if (cell.equals(belowNeighborCell)) {
                    addCellToBlock(cell, event);
                    // System.out.println("Dragging....Adding cell in column:"
                    // + cell.getVisualIndex() + " size of block = "
                    // + focusBlock.size());
                }
            }
        } else {
            // last cell in the block do nothing...
        }
    }
}

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From source file:com.netxforge.screens.editing.base.tables.SWTFocusBlockManager.java

License:Open Source License

private void handleKeyDown(Event event) {
    ViewerCell tmp = null;

    if (navigationStrategy.isCollapseEvent(viewer, focusCell, event)) {
        navigationStrategy.collapse(viewer, focusCell, event);
    } else if (navigationStrategy.isExpandEvent(viewer, focusCell, event)) {
        navigationStrategy.expand(viewer, focusCell, event);
    } else if (navigationStrategy.isNavigationEvent(viewer, event)) {
        tmp = navigationStrategy.findSelectedCell(viewer, focusCell, event);

        if (tmp != null) {
            if (!tmp.equals(focusCell)) {
                setFocusCell(tmp, event);
            }/*from  w  ww. j  av a2s . co  m*/
        }
    }

    if (navigationStrategy.shouldCancelEvent(viewer, event)) {
        event.doit = false;
    }
}

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From source file:net.certiv.fluentmark.tables.FocusBorderCellHighlighter.java

License:Open Source License

private void hookListener(final ColumnViewer viewer) {

    Listener listener = new Listener() {

        @Override//from www .j  a  va 2  s . c o m
        public void handleEvent(Event event) {
            if ((event.detail & SWT.SELECTED) > 0) {
                ViewerCell focusCell = getFocusCell();
                ViewerRow row = focusCell.getViewerRow();

                Assert.isNotNull(row,
                        "Internal structure invalid. Item without associated row is not possible."); //$NON-NLS-1$

                ViewerCell cell = row.getCell(event.index);

                if (focusCell == null || !cell.equals(focusCell)) {
                    removeSelectionInformation(event, cell);
                } else {
                    markFocusedCell(event, cell);
                }
            }
        }
    };
    viewer.getControl().addListener(SWT.EraseItem, listener);
}

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From source file:org.eclipse.e4mf.common.ui.viewer.ColumnViewerInformationControlToolTipSupport.java

License:Open Source License

protected boolean shouldCreateToolTip(Event event) {
    ViewerCell cell = getToolTipArea(event);
    if (cell != null && !cell.equals(currentCell)) {
        control.setToolTipText("");
        currentCell = cell;//from  w  w w.j a  v  a  2  s  .  c  o  m
        ViewerRow row = cell.getViewerRow();
        if (row != null) {
            Object element = row.getItem().getData();
            CellLabelProvider labelProvider = viewer.getLabelProvider(cell.getColumnIndex());
            text = labelProvider.getToolTipText(element);
            boolean useNative = labelProvider.useNativeToolTip(element);
            if (useNative || text == null) {
                control.setToolTipText(text);
            } else {
                foregroundColor = labelProvider.getToolTipForegroundColor(element);
                backgroundColor = labelProvider.getToolTipBackgroundColor(element);
                font = labelProvider.getToolTipFont(element);
                return text != null;
            }
        }
    } else {
        currentCell = cell;
    }

    return false;
}

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From source file:org.eclipse.emf.examples.library.databinding.common.FocusCellOwnerDrawHighlighter.java

License:Open Source License

private void hookListener(final ColumnViewer viewer) {
    try {/*from ww  w. j av  a  2  s .c  o  m*/
        final Method m = ColumnViewer.class.getDeclaredMethod("getViewerRowFromItem", Widget.class);
        m.setAccessible(true);

        Listener listener = new Listener() {
            public void handleEvent(Event event) {
                if ((event.detail & SWT.SELECTED) > 0) {
                    try {
                        ViewerCell focusCell = getFocusCell();
                        ViewerRow row = (ViewerRow) m.invoke(viewer, event.item);

                        Assert.isNotNull(row,
                                "Internal structure invalid. Item without associated row is not possible."); //$NON-NLS-1$

                        ViewerCell cell = row.getCell(event.index);

                        if (focusCell == null || !cell.equals(focusCell)) {
                            removeSelectionInformation(event, cell);
                        } else {
                            markFocusedCell(event, cell);
                        }
                    } catch (Exception e) {
                        // TODO: handle exception
                    }

                }
            }

        };
        viewer.getControl().addListener(SWT.EraseItem, listener);
    } catch (Exception e) {
        // TODO: handle exception
    }

}

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From source file:org.eclipse.jface.snippets.viewers.FocusBorderCellHighlighter.java

License:Open Source License

private void hookListener(final ColumnViewer viewer) {

    Listener listener = event -> {/*from  w w  w.ja v a  2s  .c  o m*/
        if ((event.detail & SWT.SELECTED) > 0) {
            ViewerCell focusCell = getFocusCell();
            ViewerRow row = focusCell.getViewerRow();

            Assert.isNotNull(row, "Internal structure invalid. Item without associated row is not possible."); //$NON-NLS-1$

            ViewerCell cell = row.getCell(event.index);

            if (focusCell == null || !cell.equals(focusCell)) {
                removeSelectionInformation(event, cell);
            } else {
                markFocusedCell(event, cell);
            }
        }
    };
    viewer.getControl().addListener(SWT.EraseItem, listener);
}

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