Java DefaultTreeCellRenderer.setBorderSelectionColor方法代碼示例

import javax.swing.tree.DefaultTreeCellRenderer; //導入方法依賴的package包/類
/**
 * updateUI is overridden to set the colors of the Tree's renderer to
 * match that of the table.
 */
@Override
public void updateUI ()
{
    super.updateUI();

    // Make the tree's cell renderer use the table's cell selection
    // colors.
    TreeCellRenderer tcr = getCellRenderer();

    if (tcr instanceof DefaultTreeCellRenderer) {
        DefaultTreeCellRenderer dtcr = ((DefaultTreeCellRenderer) tcr);

        // For 1.1 uncomment this, 1.2 has a bug that will cause an
        // exception to be thrown if the border selection color is
        // null.
        dtcr.setBorderSelectionColor(null);
        dtcr.setTextSelectionColor(UIManager.getColor("Table.selectionForeground"));
        dtcr.setBackgroundSelectionColor(UIManager.getColor("Table.selectionBackground"));
    }
}
 

import javax.swing.tree.DefaultTreeCellRenderer; //導入方法依賴的package包/類
/**
     * updateUI is overridden to set the colors of the Tree's renderer to
     * match that of the table.
     */
    public void updateUI() {
        super.updateUI();
 
        // Make the tree's cell renderer use the table's cell selection
        // colors.
        TreeCellRenderer tcr = getCellRenderer();
        if (tcr instanceof DefaultTreeCellRenderer) {
            DefaultTreeCellRenderer dtcr = ((DefaultTreeCellRenderer) tcr);
 
dtcr.setBorderSelectionColor(null);
            dtcr.setTextSelectionColor(UIManager
                    .getColor("Table.selectionForeground"));
            dtcr.setBackgroundSelectionColor(UIManager
                    .getColor("Table.selectionBackground"));
        }
    }
 

import javax.swing.tree.DefaultTreeCellRenderer; //導入方法依賴的package包/類
/**
 * updateUI is overridden to set the colors of the Tree's renderer to
 * match that of the table.
 */
@Override
public void updateUI() {
	super.updateUI();

	// Make the tree's cell renderer use the table's cell selection
	// colors.
	TreeCellRenderer tcr = getCellRenderer();
	if (tcr instanceof DefaultTreeCellRenderer) {
		DefaultTreeCellRenderer dtcr = ((DefaultTreeCellRenderer) tcr);

		dtcr.setBorderSelectionColor(null);
		dtcr.setTextSelectionColor(UIManager.getColor("Table.selectionForeground"));
		dtcr.setBackgroundSelectionColor(UIManager.getColor("Table.selectionBackground"));
	}
}
 

import javax.swing.tree.DefaultTreeCellRenderer; //導入方法依賴的package包/類
/**
 * updateUI is overridden to set the colors of the Tree's renderer
 * to match that of the table.
 */
@Override
public void updateUI() {
    super.updateUI();
    // Make the tree's cell renderer use the table's cell selection
    // colors.
    // TODO JW: need to revisit...
    // a) the "real" of a JXTree is always wrapped into a DelegatingRenderer
    //  consequently the if-block never executes
    // b) even if it does it probably (?) should not 
    // unconditionally overwrite custom selection colors. 
    // Check for UIResources instead. 
    TreeCellRenderer tcr = getCellRenderer();
    if (tcr instanceof DefaultTreeCellRenderer) {
        DefaultTreeCellRenderer dtcr = ((DefaultTreeCellRenderer) tcr);
        // For 1.1 uncomment this, 1.2 has a bug that will cause an
        // exception to be thrown if the border selection color is null.
        dtcr.setBorderSelectionColor(null);
        dtcr.setTextSelectionColor(
            UIManager.getColor("Table.selectionForeground"));
        dtcr.setBackgroundSelectionColor(
            UIManager.getColor("Table.selectionBackground"));
    }
}
 

import javax.swing.tree.DefaultTreeCellRenderer; //導入方法依賴的package包/類
private void paintRow(TreeCellRenderer renderer,
           DefaultTreeCellRenderer dtcr, SynthContext treeContext,
           SynthContext cellContext, Graphics g, Rectangle clipBounds,
           Insets insets, Rectangle bounds, Rectangle rowBounds,
           TreePath path, int row, boolean isExpanded,
           boolean hasBeenExpanded, boolean isLeaf) {
    // Don't paint the renderer if editing this row.
    boolean selected = tree.isRowSelected(row);

    JTree.DropLocation dropLocation = tree.getDropLocation();
    boolean isDrop = dropLocation != null
                     && dropLocation.getChildIndex() == -1
                     && path == dropLocation.getPath();

    int state = ENABLED;
    if (selected || isDrop) {
        state |= SELECTED;
    }

    if (tree.isFocusOwner() && row == getLeadSelectionRow()) {
        state |= FOCUSED;
    }

    cellContext.setComponentState(state);

    if (dtcr != null && (dtcr.getBorderSelectionColor() instanceof
                         UIResource)) {
        dtcr.setBorderSelectionColor(style.getColor(
                                         cellContext, ColorType.FOCUS));
    }
    SynthLookAndFeel.updateSubregion(cellContext, g, rowBounds);
    cellContext.getPainter().paintTreeCellBackground(cellContext, g,
                rowBounds.x, rowBounds.y, rowBounds.width,
                rowBounds.height);
    cellContext.getPainter().paintTreeCellBorder(cellContext, g,
                rowBounds.x, rowBounds.y, rowBounds.width,
                rowBounds.height);
    if (editingComponent != null && editingRow == row) {
        return;
    }

    int leadIndex;

    if (tree.hasFocus()) {
        leadIndex = getLeadSelectionRow();
    }
    else {
        leadIndex = -1;
    }

    Component component = renderer.getTreeCellRendererComponent(
                     tree, path.getLastPathComponent(),
                     selected, isExpanded, isLeaf, row,
                     (leadIndex == row));

    rendererPane.paintComponent(g, component, tree, bounds.x, bounds.y,
                                bounds.width, bounds.height, true);
}
 

import javax.swing.tree.DefaultTreeCellRenderer; //導入方法依賴的package包/類
private void paintRow(TreeCellRenderer renderer, DefaultTreeCellRenderer dtcr, SeaGlassContext treeContext, SeaGlassContext cellContext,
    Graphics g, Rectangle clipBounds, Insets insets, Rectangle bounds, Rectangle rowBounds, TreePath path, int row, boolean isExpanded,
    boolean hasBeenExpanded, boolean isLeaf) {
    // Don't paint the renderer if editing this row.
    boolean selected = tree.isRowSelected(row);

    JTree.DropLocation dropLocation = tree.getDropLocation();
    boolean isDrop = dropLocation != null && dropLocation.getChildIndex() == -1 && path == dropLocation.getPath();

    int state = ENABLED;
    if (selected || isDrop) {
        state |= SELECTED;
    }

    if (tree.isFocusOwner() && row == getLeadSelectionRow()) {
        state |= FOCUSED;
    }

    cellContext.setComponentState(state);

    if (dtcr != null && (dtcr.getBorderSelectionColor() instanceof UIResource)) {
        dtcr.setBorderSelectionColor(style.getColor(cellContext, ColorType.FOCUS));
    }
    SeaGlassLookAndFeel.updateSubregion(cellContext, g, rowBounds);
    cellContext.getPainter().paintTreeCellBackground(cellContext, g, rowBounds.x, rowBounds.y, rowBounds.width, rowBounds.height);
    cellContext.getPainter().paintTreeCellBorder(cellContext, g, rowBounds.x, rowBounds.y, rowBounds.width, rowBounds.height);
    if (editingComponent != null && editingRow == row) {
        return;
    }

    int leadIndex;

    if (tree.hasFocus()) {
        leadIndex = getLeadSelectionRow();
    } else {
        leadIndex = -1;
    }

    Component component = renderer.getTreeCellRendererComponent(tree, path.getLastPathComponent(), selected, isExpanded, isLeaf, row,
        (leadIndex == row));

    rendererPane.paintComponent(g, component, tree, bounds.x, bounds.y, bounds.width, bounds.height, true);
}