diff options
Diffstat (limited to 'bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/ViewerCell.java')
| -rw-r--r-- | bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/ViewerCell.java | 115 |
1 files changed, 57 insertions, 58 deletions
diff --git a/bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/ViewerCell.java b/bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/ViewerCell.java index f2d4a0291e1..f734e7f71b8 100644 --- a/bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/ViewerCell.java +++ b/bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/ViewerCell.java @@ -24,16 +24,17 @@ import org.eclipse.swt.widgets.Widget; /** * The ViewerCell is the JFace representation of a cell entry in a ViewerRow. - * + * @param <E> Type of an element of the model + * * @since 3.3 - * + * */ -public class ViewerCell { +public class ViewerCell<E> { private int columnIndex; - private ViewerRow row; + private ViewerRow<E> row; - private Object element; + private E element; /** * Constant denoting the cell above current one (value is 1). @@ -57,11 +58,11 @@ public class ViewerCell { /** * Create a new instance of the receiver on the row. - * + * * @param row * @param columnIndex */ - ViewerCell(ViewerRow row, int columnIndex, Object element) { + ViewerCell(ViewerRow<E> row, int columnIndex, E element) { this.row = row; this.columnIndex = columnIndex; this.element = element; @@ -69,7 +70,7 @@ public class ViewerCell { /** * Get the index of the cell. - * + * * @return the index */ public int getColumnIndex() { @@ -78,7 +79,7 @@ public class ViewerCell { /** * Get the bounds of the cell. - * + * * @return {@link Rectangle} */ public Rectangle getBounds() { @@ -87,10 +88,10 @@ public class ViewerCell { /** * Get the element this row represents. - * + * * @return {@link Object} */ - public Object getElement() { + public E getElement() { if (element != null) { return element; } @@ -104,7 +105,7 @@ public class ViewerCell { /** * Return the text for the cell. - * + * * @return {@link String} */ public String getText() { @@ -113,7 +114,7 @@ public class ViewerCell { /** * Return the Image for the cell. - * + * * @return {@link Image} or <code>null</code> */ public Image getImage() { @@ -122,7 +123,7 @@ public class ViewerCell { /** * Set the background color of the cell. - * + * * @param background */ public void setBackground(Color background) { @@ -132,7 +133,7 @@ public class ViewerCell { /** * Set the foreground color of the cell. - * + * * @param foreground */ public void setForeground(Color foreground) { @@ -142,7 +143,7 @@ public class ViewerCell { /** * Set the font of the cell. - * + * * @param font */ public void setFont(Font font) { @@ -152,7 +153,7 @@ public class ViewerCell { /** * Set the text for the cell. - * + * * @param text */ public void setText(String text) { @@ -162,7 +163,7 @@ public class ViewerCell { /** * Set the Image for the cell. - * + * * @param image */ public void setImage(Image image) { @@ -173,10 +174,10 @@ public class ViewerCell { /** * Set the style ranges to be applied on the text label Note: Requires * {@link StyledCellLabelProvider} with owner draw enabled. - * + * * @param styleRanges * the styled ranges - * + * * @since 3.4 */ public void setStyleRanges(StyleRange[] styleRanges) { @@ -186,9 +187,9 @@ public class ViewerCell { /** * Returns the style ranges to be applied on the text label or * <code>null</code> if no style ranges have been set. - * + * * @return styleRanges the styled ranges - * + * * @since 3.4 */ public StyleRange[] getStyleRanges() { @@ -197,7 +198,7 @@ public class ViewerCell { /** * Set the columnIndex. - * + * * @param column */ void setColumn(int column) { @@ -207,11 +208,11 @@ public class ViewerCell { /** * Set the row to rowItem and the columnIndex to column. - * + * * @param rowItem * @param column */ - void update(ViewerRow rowItem, int column, Object element) { + void update(ViewerRow<E> rowItem, int column, E element) { row = rowItem; columnIndex = column; this.element = element; @@ -219,7 +220,7 @@ public class ViewerCell { /** * Return the item for the receiver. - * + * * @return {@link Item} */ public Widget getItem() { @@ -228,7 +229,7 @@ public class ViewerCell { /** * Get the control for this cell. - * + * * @return {@link Control} */ public Control getControl() { @@ -238,7 +239,7 @@ public class ViewerCell { /** * Get the current index. This can be different from the original index when * columns are reordered - * + * * @return the current index (as shown in the UI) * @since 3.4 */ @@ -253,7 +254,7 @@ public class ViewerCell { * the upper-left of the current cell by passing {@link #ABOVE} | * {@link #LEFT}. If <code>sameLevel</code> is <code>true</code>, only cells * in sibling rows (under the same parent) will be considered. - * + * * @param directionMask * the direction mask used to identify the requested neighbor * cell @@ -261,8 +262,8 @@ public class ViewerCell { * if <code>true</code>, only consider cells from sibling rows * @return the requested neighbor cell, or <code>null</code> if not found */ - public ViewerCell getNeighbor(int directionMask, boolean sameLevel) { - ViewerRow row; + public ViewerCell<E> getNeighbor(int directionMask, boolean sameLevel) { + ViewerRow<E> row; if ((directionMask & ABOVE) == ABOVE) { row = this.row.getNeighbor(ViewerRow.ABOVE, sameLevel); @@ -287,20 +288,17 @@ public class ViewerCell { columnIndex += modifier; if (columnIndex >= 0 && columnIndex < row.getColumnCount()) { - ViewerCell cell = row.getCellAtVisualIndex(columnIndex); - if (cell != null) { - while (cell != null - && columnIndex < row.getColumnCount() - 1 - && columnIndex > 0) { - if (cell.isVisible()) { - break; - } - - columnIndex += modifier; - cell = row.getCellAtVisualIndex(columnIndex); - if (cell == null) { - break; - } + ViewerCell<E> cell = row.getCellAtVisualIndex(columnIndex); + while (cell != null && columnIndex < row.getColumnCount() - 1 + && columnIndex > 0) { + if (cell.isVisible()) { + break; + } + + columnIndex += modifier; + cell = row.getCellAtVisualIndex(columnIndex); + if (cell == null) { + break; } } @@ -314,14 +312,14 @@ public class ViewerCell { /** * @return the row */ - public ViewerRow getViewerRow() { + public ViewerRow<E> getViewerRow() { return row; } /** * The location and bounds of the area where the text is drawn depends on * various things (image displayed, control with SWT.CHECK) - * + * * @return The bounds of the of the text area. May return <code>null</code> * if the underlying widget implementation doesn't provide this * information @@ -333,7 +331,7 @@ public class ViewerCell { /** * Returns the location and bounds of the area where the image is drawn - * + * * @return The bounds of the of the image area. May return <code>null</code> * if the underlying widget implementation doesn't provide this * information @@ -345,10 +343,10 @@ public class ViewerCell { /** * Gets the foreground color of the cell. - * + * * @return the foreground of the cell or <code>null</code> for the default * foreground - * + * * @since 3.4 */ public Color getForeground() { @@ -357,10 +355,10 @@ public class ViewerCell { /** * Gets the background color of the cell. - * + * * @return the background of the cell or <code>null</code> for the default * background - * + * * @since 3.4 */ public Color getBackground() { @@ -369,9 +367,9 @@ public class ViewerCell { /** * Gets the font of the cell. - * + * * @return the font of the cell or <code>null</code> for the default font - * + * * @since 3.4 */ public Font getFont() { @@ -380,7 +378,7 @@ public class ViewerCell { /* * (non-Javadoc) - * + * * @see java.lang.Object#hashCode() */ @Override @@ -394,7 +392,7 @@ public class ViewerCell { /* * (non-Javadoc) - * + * * @see java.lang.Object#equals(java.lang.Object) */ @Override @@ -405,7 +403,8 @@ public class ViewerCell { return false; if (getClass() != obj.getClass()) return false; - final ViewerCell other = (ViewerCell) obj; + @SuppressWarnings("unchecked") + final ViewerCell<E> other = (ViewerCell<E>) obj; if (columnIndex != other.columnIndex) return false; if (row == null) { @@ -422,7 +421,7 @@ public class ViewerCell { /** * Scroll the cell into view - * + * * @return true if the cell was scrolled into view * @since 3.5 */ |