Border. This field might not be used. To change the
- * Border used by this renderer override the
- * getTableCellRendererComponent method and set the border
- * of the returned component directly.
- */
-
- // We need a place to store the color the JLabel should be returned
- // to after its foreground and background colors have been set
- // to the selection background color.
- // These ivars will be made protected when their names are finalized.
- private Color unselectedForeground;
- private Color unselectedBackground;
-
- /**
- * Creates a default table cell renderer.
- */
- public ColumnHeaderRenderer() {
- super();
- setOpaque(true);
- setHorizontalAlignment(SwingConstants.CENTER);
- setBackground(DefaultLookup.GRAY);
- setBorder(getNoFocusBorder());
- setName("Table.cellRenderer");
- }
-
- private Border getNoFocusBorder() {
- return TableBorder.BORDER;
- }
-
- /**
- * Overrides JComponent.setForeground to assign
- * the unselected-foreground color to the specified color.
- *
- * @param c set the foreground color to this value
- */
- public void setForeground(Color c) {
- super.setForeground(c);
- unselectedForeground = c;
- }
-
- /**
- * Overrides JComponent.setBackground to assign
- * the unselected-background color to the specified color.
- *
- * @param c set the background color to this value
- */
- public void setBackground(Color c) {
- super.setBackground(c);
- unselectedBackground = c;
- }
-
- /**
- * Notification from the UIManager that the look and feel
- * [L&F] has changed.
- * Replaces the current UI object with the latest version from the
- * UIManager.
- *
- * @see JComponent#updateUI
- */
- public void updateUI() {
- super.updateUI();
- setForeground(null);
- setBackground(null);
- }
-
- // implements javax.swing.table.TableCellRenderer
- /**
- *
- * Returns the default table cell renderer.
- *
- * During a printing operation, this method will be called with
- * isSelected and hasFocus values of
- * false to prevent selection and focus from appearing
- * in the printed output. To do other customization based on whether
- * or not the table is being printed, check the return value from
- * {@link javax.swing.JComponent#isPaintingForPrint()}.
- *
- * @param table the JTable
- * @param value the value to assign to the cell at
- * [row, column]
- * @param isSelected true if cell is selected
- * @param hasFocus true if cell has focus
- * @param row the row of the cell to render
- * @param column the column of the cell to render
- * @return the default table cell renderer
- * @see javax.swing.JComponent#isPaintingForPrint()
- */
- public Component getTableCellRendererComponent(JTable table, Object value,
- boolean isSelected, boolean hasFocus, int row, int column) {
-
- Color fg = null;
- Color bg = null;
-
- JTable.DropLocation dropLocation = table.getDropLocation();
- if (dropLocation != null
- && !dropLocation.isInsertRow()
- && !dropLocation.isInsertColumn()
- && dropLocation.getRow() == row
- && dropLocation.getColumn() == column) {
-
- fg = DefaultLookup.getColor(this, ui, "Table.dropCellForeground");
- bg = DefaultLookup.getColor(this, ui, "Table.dropCellBackground");
-
- isSelected = true;
- }
-
- if (isSelected) {
- super.setForeground(fg == null ? table.getSelectionForeground()
- : fg);
- super.setBackground(bg == null ? table.getSelectionBackground()
- : bg);
- } else {
- Color background = unselectedBackground != null
- ? unselectedBackground
- : table.getBackground();
- if (background == null || background instanceof javax.swing.plaf.UIResource) {
- Color alternateColor = DefaultLookup.getColor(this, ui, "Table.alternateRowColor");
- if (alternateColor != null && row % 2 == 0)
- background = alternateColor;
- }
- super.setForeground(unselectedForeground != null
- ? unselectedForeground
- : table.getForeground());
- super.setBackground(background);
- }
-
- setFont(table.getFont());
-
- if (hasFocus) {
- Border border = null;
- if (isSelected) {
- border = DefaultLookup.getBorder(this, ui, "Table.focusSelectedCellHighlightBorder");
- }
- if (border == null) {
- border = DefaultLookup.getBorder(this, ui, "Table.focusCellHighlightBorder");
- }
- setBorder(border);
-
- if (!isSelected && table.isCellEditable(row, column)) {
- Color col;
- col = DefaultLookup.getColor(this, ui, "Table.focusCellForeground");
- if (col != null) {
- super.setForeground(col);
- }
- col = DefaultLookup.getColor(this, ui, "Table.focusCellBackground");
- if (col != null) {
- super.setBackground(col);
- }
- }
- } else {
- setBorder(getNoFocusBorder());
- }
-
- setValue(value);
-
- return this;
- }
-
- /*
- * The following methods are overridden as a performance measure to
- * to prune code-paths are often called in the case of renders
- * but which we know are unnecessary. Great care should be taken
- * when writing your own renderer to weigh the benefits and
- * drawbacks of overriding methods like these.
- */
-
- /**
- * Overridden for performance reasons.
- * See the Implementation Note
- * for more information.
- */
- public boolean isOpaque() {
- Color back = getBackground();
- Component p = getParent();
- if (p != null) {
- p = p.getParent();
- }
-
- // p should now be the JTable.
- boolean colorMatch = (back != null) && (p != null) &&
- back.equals(p.getBackground()) &&
- p.isOpaque();
- return !colorMatch && super.isOpaque();
- }
-
- /**
- * Overridden for performance reasons.
- * See the Implementation Note
- * for more information.
- *
- * @since 1.5
- */
- public void invalidate() {}
-
- /**
- * Overridden for performance reasons.
- * See the Implementation Note
- * for more information.
- */
- public void validate() {}
-
- /**
- * Overridden for performance reasons.
- * See the Implementation Note
- * for more information.
- */
- public void revalidate() {}
-
- /**
- * Overridden for performance reasons.
- * See the Implementation Note
- * for more information.
- */
- public void repaint(long tm, int x, int y, int width, int height) {}
-
- /**
- * Overridden for performance reasons.
- * See the Implementation Note
- * for more information.
- */
- public void repaint(Rectangle r) { }
-
- /**
- * Overridden for performance reasons.
- * See the Implementation Note
- * for more information.
- *
- * @since 1.5
- */
- public void repaint() {
- }
-
- /**
- * Overridden for performance reasons.
- * See the Implementation Note
- * for more information.
- */
- protected void firePropertyChange(String propertyName, Object oldValue, Object newValue) {
- // Strings get interned...
- if (propertyName=="text"
- || propertyName == "labelFor"
- || propertyName == "displayedMnemonic"
- || ((propertyName == "font" || propertyName == "foreground")
- && oldValue != newValue
- && getClientProperty(javax.swing.plaf.basic.BasicHTML.propertyKey) != null)) {
-
- super.firePropertyChange(propertyName, oldValue, newValue);
- }
- }
-
- /**
- * Overridden for performance reasons.
- * See the Implementation Note
- * for more information.
- */
- public void firePropertyChange(String propertyName, boolean oldValue, boolean newValue) { }
-
-
- /**
- * Sets the String object for the cell being rendered to
- * value.
- *
- * @param value the string value for this cell; if value is
- * null it sets the text value to an empty string
- * @see JLabel#setText
- *
- */
- protected void setValue(Object value) {
- setText((value == null) ? "" : value.toString());
- }
-
-}
+package org.simantics.spreadsheet.ui;
+
+import java.awt.Color;
+import java.awt.Component;
+import java.awt.Rectangle;
+import java.io.Serializable;
+
+import javax.swing.JComponent;
+import javax.swing.JLabel;
+import javax.swing.JTable;
+import javax.swing.SwingConstants;
+import javax.swing.border.Border;
+import javax.swing.table.TableCellRenderer;
+
+public class ColumnHeaderRenderer extends JLabel implements TableCellRenderer, Serializable {
+
+ private static final long serialVersionUID = 1L;
+
+
+ /**
+ * An empty Border. This field might not be used. To change the
+ * Border used by this renderer override the
+ * getTableCellRendererComponent method and set the border
+ * of the returned component directly.
+ */
+
+ // We need a place to store the color the JLabel should be returned
+ // to after its foreground and background colors have been set
+ // to the selection background color.
+ // These ivars will be made protected when their names are finalized.
+ private Color unselectedForeground;
+ private Color unselectedBackground;
+
+ /**
+ * Creates a default table cell renderer.
+ */
+ public ColumnHeaderRenderer() {
+ super();
+ setOpaque(true);
+ setHorizontalAlignment(SwingConstants.CENTER);
+ setBackground(DefaultLookup.GRAY);
+ setBorder(getNoFocusBorder());
+ setName("Table.cellRenderer");
+ }
+
+ private Border getNoFocusBorder() {
+ return TableBorder.BORDER;
+ }
+
+ /**
+ * Overrides JComponent.setForeground to assign
+ * the unselected-foreground color to the specified color.
+ *
+ * @param c set the foreground color to this value
+ */
+ public void setForeground(Color c) {
+ super.setForeground(c);
+ unselectedForeground = c;
+ }
+
+ /**
+ * Overrides JComponent.setBackground to assign
+ * the unselected-background color to the specified color.
+ *
+ * @param c set the background color to this value
+ */
+ public void setBackground(Color c) {
+ super.setBackground(c);
+ unselectedBackground = c;
+ }
+
+ /**
+ * Notification from the UIManager that the look and feel
+ * [L&F] has changed.
+ * Replaces the current UI object with the latest version from the
+ * UIManager.
+ *
+ * @see JComponent#updateUI
+ */
+ public void updateUI() {
+ super.updateUI();
+ setForeground(null);
+ setBackground(null);
+ }
+
+ // implements javax.swing.table.TableCellRenderer
+ /**
+ *
+ * Returns the default table cell renderer.
+ *
+ * During a printing operation, this method will be called with
+ * isSelected and hasFocus values of
+ * false to prevent selection and focus from appearing
+ * in the printed output. To do other customization based on whether
+ * or not the table is being printed, check the return value from
+ * {@link javax.swing.JComponent#isPaintingForPrint()}.
+ *
+ * @param table the JTable
+ * @param value the value to assign to the cell at
+ * [row, column]
+ * @param isSelected true if cell is selected
+ * @param hasFocus true if cell has focus
+ * @param row the row of the cell to render
+ * @param column the column of the cell to render
+ * @return the default table cell renderer
+ * @see javax.swing.JComponent#isPaintingForPrint()
+ */
+ public Component getTableCellRendererComponent(JTable table, Object value,
+ boolean isSelected, boolean hasFocus, int row, int column) {
+
+ Color fg = null;
+ Color bg = null;
+
+ JTable.DropLocation dropLocation = table.getDropLocation();
+ if (dropLocation != null
+ && !dropLocation.isInsertRow()
+ && !dropLocation.isInsertColumn()
+ && dropLocation.getRow() == row
+ && dropLocation.getColumn() == column) {
+
+ fg = DefaultLookup.getColor(this, ui, "Table.dropCellForeground");
+ bg = DefaultLookup.getColor(this, ui, "Table.dropCellBackground");
+
+ isSelected = true;
+ }
+
+ if (isSelected) {
+ super.setForeground(fg == null ? table.getSelectionForeground()
+ : fg);
+ super.setBackground(bg == null ? table.getSelectionBackground()
+ : bg);
+ } else {
+ Color background = unselectedBackground != null
+ ? unselectedBackground
+ : table.getBackground();
+ if (background == null || background instanceof javax.swing.plaf.UIResource) {
+ Color alternateColor = DefaultLookup.getColor(this, ui, "Table.alternateRowColor");
+ if (alternateColor != null && row % 2 == 0)
+ background = alternateColor;
+ }
+ super.setForeground(unselectedForeground != null
+ ? unselectedForeground
+ : table.getForeground());
+ super.setBackground(background);
+ }
+
+ setFont(table.getFont());
+
+ if (hasFocus) {
+ Border border = null;
+ if (isSelected) {
+ border = DefaultLookup.getBorder(this, ui, "Table.focusSelectedCellHighlightBorder");
+ }
+ if (border == null) {
+ border = DefaultLookup.getBorder(this, ui, "Table.focusCellHighlightBorder");
+ }
+ setBorder(border);
+
+ if (!isSelected && table.isCellEditable(row, column)) {
+ Color col;
+ col = DefaultLookup.getColor(this, ui, "Table.focusCellForeground");
+ if (col != null) {
+ super.setForeground(col);
+ }
+ col = DefaultLookup.getColor(this, ui, "Table.focusCellBackground");
+ if (col != null) {
+ super.setBackground(col);
+ }
+ }
+ } else {
+ setBorder(getNoFocusBorder());
+ }
+
+ setValue(value);
+
+ return this;
+ }
+
+ /*
+ * The following methods are overridden as a performance measure to
+ * to prune code-paths are often called in the case of renders
+ * but which we know are unnecessary. Great care should be taken
+ * when writing your own renderer to weigh the benefits and
+ * drawbacks of overriding methods like these.
+ */
+
+ /**
+ * Overridden for performance reasons.
+ * See the Implementation Note
+ * for more information.
+ */
+ public boolean isOpaque() {
+ Color back = getBackground();
+ Component p = getParent();
+ if (p != null) {
+ p = p.getParent();
+ }
+
+ // p should now be the JTable.
+ boolean colorMatch = (back != null) && (p != null) &&
+ back.equals(p.getBackground()) &&
+ p.isOpaque();
+ return !colorMatch && super.isOpaque();
+ }
+
+ /**
+ * Overridden for performance reasons.
+ * See the Implementation Note
+ * for more information.
+ *
+ * @since 1.5
+ */
+ public void invalidate() {}
+
+ /**
+ * Overridden for performance reasons.
+ * See the Implementation Note
+ * for more information.
+ */
+ public void validate() {}
+
+ /**
+ * Overridden for performance reasons.
+ * See the Implementation Note
+ * for more information.
+ */
+ public void revalidate() {}
+
+ /**
+ * Overridden for performance reasons.
+ * See the Implementation Note
+ * for more information.
+ */
+ public void repaint(long tm, int x, int y, int width, int height) {}
+
+ /**
+ * Overridden for performance reasons.
+ * See the Implementation Note
+ * for more information.
+ */
+ public void repaint(Rectangle r) { }
+
+ /**
+ * Overridden for performance reasons.
+ * See the Implementation Note
+ * for more information.
+ *
+ * @since 1.5
+ */
+ public void repaint() {
+ }
+
+ /**
+ * Overridden for performance reasons.
+ * See the Implementation Note
+ * for more information.
+ */
+ protected void firePropertyChange(String propertyName, Object oldValue, Object newValue) {
+ // Strings get interned...
+ if (propertyName=="text"
+ || propertyName == "labelFor"
+ || propertyName == "displayedMnemonic"
+ || ((propertyName == "font" || propertyName == "foreground")
+ && oldValue != newValue
+ && getClientProperty(javax.swing.plaf.basic.BasicHTML.propertyKey) != null)) {
+
+ super.firePropertyChange(propertyName, oldValue, newValue);
+ }
+ }
+
+ /**
+ * Overridden for performance reasons.
+ * See the Implementation Note
+ * for more information.
+ */
+ public void firePropertyChange(String propertyName, boolean oldValue, boolean newValue) { }
+
+
+ /**
+ * Sets the String object for the cell being rendered to
+ * value.
+ *
+ * @param value the string value for this cell; if value is
+ * null it sets the text value to an empty string
+ * @see JLabel#setText
+ *
+ */
+ protected void setValue(Object value) {
+ setText((value == null) ? "" : value.toString());
+ }
+
+}