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TableHeader: support column hover and pressed background and foreground colors (issue #636)

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This commit is contained in:
Karl Tauber
2023-01-30 14:21:44 +01:00
parent 4a0bd2c09f
commit 1435469ee5
17 changed files with 148 additions and 14 deletions
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84
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatTableHeaderUI.java
View File

@@ -59,6 +59,10 @@ import com.formdev.flatlaf.util.UIScale;
*
* <!-- FlatTableHeaderUI -->
*
* @uiDefault TableHeader.hoverBackground Color optional
* @uiDefault TableHeader.hoverForeground Color optional
* @uiDefault TableHeader.pressedBackground Color optional
* @uiDefault TableHeader.pressedForeground Color optional
* @uiDefault TableHeader.bottomSeparatorColor Color
* @uiDefault TableHeader.height int
* @uiDefault TableHeader.sortIconPosition String right (default), left, top or bottom
@@ -81,6 +85,10 @@ public class FlatTableHeaderUI
extends BasicTableHeaderUI
implements StyleableUI
{
/** @since 3.1 */ @Styleable protected Color hoverBackground;
/** @since 3.1 */ @Styleable protected Color hoverForeground;
/** @since 3.1 */ @Styleable protected Color pressedBackground;
/** @since 3.1 */ @Styleable protected Color pressedForeground;
@Styleable protected Color bottomSeparatorColor;
@Styleable protected int height;
@Styleable(type=String.class) protected int sortIconPosition;
@@ -113,6 +121,10 @@ public class FlatTableHeaderUI
protected void installDefaults() {
super.installDefaults();
hoverBackground = UIManager.getColor( "TableHeader.hoverBackground" );
hoverForeground = UIManager.getColor( "TableHeader.hoverForeground" );
pressedBackground = UIManager.getColor( "TableHeader.pressedBackground" );
pressedForeground = UIManager.getColor( "TableHeader.pressedForeground" );
bottomSeparatorColor = UIManager.getColor( "TableHeader.bottomSeparatorColor" );
height = UIManager.getInt( "TableHeader.height" );
sortIconPosition = parseSortIconPosition( UIManager.getString( "TableHeader.sortIconPosition" ) );
@@ -122,6 +134,10 @@ public class FlatTableHeaderUI
protected void uninstallDefaults() {
super.uninstallDefaults();
hoverBackground = null;
hoverForeground = null;
pressedBackground = null;
pressedForeground = null;
bottomSeparatorColor = null;
oldStyleValues = null;
@@ -211,6 +227,12 @@ public class FlatTableHeaderUI
return super.getRolloverColumn();
}
@Override
protected void rolloverColumnUpdated( int oldColumn, int newColumn ) {
header.repaint( header.getHeaderRect( oldColumn ) );
header.repaint( header.getHeaderRect( newColumn ) );
}
@Override
public void paint( Graphics g, JComponent c ) {
fixDraggedAndResizingColumns( header );
@@ -243,21 +265,16 @@ public class FlatTableHeaderUI
}
}
// temporary use own default renderer if necessary
FlatTableCellHeaderRenderer sortIconRenderer = null;
if( sortIconPosition != SwingConstants.RIGHT ) {
sortIconRenderer = new FlatTableCellHeaderRenderer( header.getDefaultRenderer() );
header.setDefaultRenderer( sortIconRenderer );
}
// temporary use own default renderer
FlatTableCellHeaderRenderer tempRenderer = new FlatTableCellHeaderRenderer( header.getDefaultRenderer() );
header.setDefaultRenderer( tempRenderer );
// paint header
super.paint( g, c );
// restore default renderer
if( sortIconRenderer != null ) {
sortIconRenderer.reset();
header.setDefaultRenderer( sortIconRenderer.delegate );
}
tempRenderer.reset();
header.setDefaultRenderer( tempRenderer.delegate );
}
private boolean isSystemDefaultRenderer( Object headerRenderer ) {
@@ -318,8 +335,8 @@ public class FlatTableHeaderUI
//---- class FlatTableCellHeaderRenderer ----------------------------------
/**
* A delegating header renderer that is only used to paint sort arrows at
* top, bottom or left position.
* A delegating header renderer that is only used to paint hover and pressed
* background/foreground and to paint sort arrows at top, bottom or left position.
*/
private class FlatTableCellHeaderRenderer
implements TableCellRenderer, Border, UIResource
@@ -327,6 +344,9 @@ public class FlatTableHeaderUI
private final TableCellRenderer delegate;
private JLabel l;
private Color oldBackground;
private Color oldForeground;
private Boolean oldOpaque;
private int oldHorizontalTextPosition = -1;
private Border origBorder;
private Icon sortIcon;
@@ -345,11 +365,38 @@ public class FlatTableHeaderUI
l = (JLabel) c;
// hover and pressed background/foreground
TableColumn draggedColumn = header.getDraggedColumn();
Color background = null;
Color foreground = null;
if( draggedColumn != null && header.getTable().convertColumnIndexToView( draggedColumn.getModelIndex() ) == column ) {
background = pressedBackground;
foreground = pressedForeground;
} else if( getRolloverColumn() == column ) {
background = hoverBackground;
foreground = hoverForeground;
}
if( background != null ) {
if( oldBackground == null )
oldBackground = l.getBackground();
if( oldOpaque == null )
oldOpaque = l.isOpaque();
l.setBackground( FlatUIUtils.deriveColor( background, header.getBackground() ) );
l.setOpaque( true );
}
if( foreground != null ) {
if( oldForeground == null )
oldForeground = l.getForeground();
l.setForeground( FlatUIUtils.deriveColor( foreground, header.getForeground() ) );
}
// sort icon
if( sortIconPosition == SwingConstants.LEFT ) {
// left
if( oldHorizontalTextPosition < 0 )
oldHorizontalTextPosition = l.getHorizontalTextPosition();
l.setHorizontalTextPosition( SwingConstants.RIGHT );
} else {
} else if( sortIconPosition == SwingConstants.TOP || sortIconPosition == SwingConstants.BOTTOM ) {
// top or bottom
sortIcon = l.getIcon();
origBorder = l.getBorder();
@@ -361,7 +408,16 @@ public class FlatTableHeaderUI
}
void reset() {
if( l != null && sortIconPosition == SwingConstants.LEFT && oldHorizontalTextPosition >= 0 )
if( l == null )
return;
if( oldBackground != null )
l.setBackground( oldBackground );
if( oldForeground != null )
l.setForeground( oldForeground );
if( oldOpaque != null )
l.setOpaque( oldOpaque );
if( oldHorizontalTextPosition >= 0 )
l.setHorizontalTextPosition( oldHorizontalTextPosition );
}

2
flatlaf-core/src/main/resources/com/formdev/flatlaf/FlatDarkLaf.properties
View File

@@ -331,6 +331,8 @@ Table.gridColor = lighten($Table.background,8%)
#---- TableHeader ----
TableHeader.hoverBackground = lighten($TableHeader.background,5%,derived)
TableHeader.pressedBackground = lighten($TableHeader.background,10%,derived)
TableHeader.separatorColor = lighten($TableHeader.background,10%)
TableHeader.bottomSeparatorColor = $TableHeader.separatorColor

2
flatlaf-core/src/main/resources/com/formdev/flatlaf/FlatLightLaf.properties
View File

@@ -338,6 +338,8 @@ Table.gridColor = darken($Table.background,8%)
#---- TableHeader ----
TableHeader.hoverBackground = darken($TableHeader.background,5%,derived)
TableHeader.pressedBackground = darken($TableHeader.background,10%,derived)
TableHeader.separatorColor = darken($TableHeader.background,10%)
TableHeader.bottomSeparatorColor = $TableHeader.separatorColor