SwingX: JXDatePicker support (#8)

flatlaf-swingx/src/main/java/com/formdev/flatlaf/swingx/ui/FlatDatePickerBorder.java

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+/*
+ * Copyright 2019 FormDev Software GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.formdev.flatlaf.swingx.ui;
+
+import java.awt.Component;
+import org.jdesktop.swingx.JXDatePicker;
+import com.formdev.flatlaf.ui.FlatRoundBorder;
+
+/**
+ * Border for {@link org.jdesktop.swingx.JXDatePicker}.
+ *
+ * @author Karl Tauber
+ */
+public class FlatDatePickerBorder
+	extends FlatRoundBorder
+{
+	@Override
+	protected boolean isFocused( Component c ) {
+		if( c instanceof JXDatePicker )
+			return ((JXDatePicker)c).getEditor().hasFocus();
+
+		return super.isFocused( c );
+	}
+}

flatlaf-swingx/src/main/java/com/formdev/flatlaf/swingx/ui/FlatDatePickerUI.java

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+/*
+ * Copyright 2019 FormDev Software GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.formdev.flatlaf.swingx.ui;
+
+import static com.formdev.flatlaf.util.UIScale.scale;
+import java.awt.Color;
+import java.awt.Component;
+import java.awt.Container;
+import java.awt.Dimension;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.Insets;
+import java.awt.LayoutManager;
+import java.awt.Rectangle;
+import java.awt.Shape;
+import java.awt.event.FocusEvent;
+import java.awt.event.FocusListener;
+import java.awt.geom.Rectangle2D;
+import javax.swing.BorderFactory;
+import javax.swing.JButton;
+import javax.swing.JComponent;
+import javax.swing.JFormattedTextField;
+import javax.swing.LookAndFeel;
+import javax.swing.SwingConstants;
+import javax.swing.UIManager;
+import javax.swing.plaf.ComponentUI;
+import javax.swing.plaf.UIResource;
+import org.jdesktop.swingx.plaf.basic.BasicDatePickerUI;
+import com.formdev.flatlaf.ui.FlatArrowButton;
+import com.formdev.flatlaf.ui.FlatBorder;
+import com.formdev.flatlaf.ui.FlatRoundBorder;
+import com.formdev.flatlaf.ui.FlatUIUtils;
+import com.formdev.flatlaf.ui.MigLayoutVisualPadding;
+import com.formdev.flatlaf.util.UIScale;
+
+/**
+ * Provides the Flat LaF UI delegate for {@link org.jdesktop.swingx.JXDatePicker}.
+ *
+ * @author Karl Tauber
+ */
+public class FlatDatePickerUI
+	extends BasicDatePickerUI
+{
+	protected Insets padding;
+
+	protected int focusWidth;
+	protected int arc;
+	protected String arrowType;
+	protected Color borderColor;
+	protected Color disabledBorderColor;
+
+	protected Color disabledBackground;
+
+	protected Color buttonBackground;
+	protected Color buttonArrowColor;
+	protected Color buttonDisabledArrowColor;
+	protected Color buttonHoverArrowColor;
+
+	private JButton popupButton;
+
+	public static ComponentUI createUI( JComponent c ) {
+		return new FlatDatePickerUI();
+	}
+
+	@Override
+	public void installUI( JComponent c ) {
+		// must get UI defaults here because installDefaults() is invoked after
+		// installComponents(), which uses these values to create popup button
+
+		padding = UIManager.getInsets( "ComboBox.padding" );
+
+		focusWidth = UIManager.getInt( "Component.focusWidth" );
+		arc = UIManager.getInt( "Component.arc" );
+		arrowType = UIManager.getString( "Component.arrowType" );
+		borderColor = UIManager.getColor( "Component.borderColor" );
+		disabledBorderColor = UIManager.getColor( "Component.disabledBorderColor" );
+
+		disabledBackground = UIManager.getColor( "ComboBox.disabledBackground" );
+
+		buttonBackground = UIManager.getColor( "ComboBox.buttonBackground" );
+		buttonArrowColor = UIManager.getColor( "ComboBox.buttonArrowColor" );
+		buttonDisabledArrowColor = UIManager.getColor( "ComboBox.buttonDisabledArrowColor" );
+		buttonHoverArrowColor = UIManager.getColor( "ComboBox.buttonHoverArrowColor" );
+
+		super.installUI( c );
+	}
+
+	@Override
+	protected void installDefaults() {
+		super.installDefaults();
+
+		LookAndFeel.installColors( datePicker, "ComboBox.background", "ComboBox.foreground" );
+
+		LookAndFeel.installBorder( datePicker, "JXDatePicker.border" );
+		LookAndFeel.installProperty( datePicker, "opaque", Boolean.TRUE );
+
+		MigLayoutVisualPadding.install( datePicker, focusWidth );
+	}
+
+	@Override
+	protected void uninstallDefaults() {
+		super.uninstallDefaults();
+
+		borderColor = null;
+		disabledBorderColor = null;
+
+		disabledBackground = null;
+
+		buttonBackground = null;
+		buttonArrowColor = null;
+		buttonDisabledArrowColor = null;
+		buttonHoverArrowColor = null;
+
+		if( datePicker.getBorder() instanceof UIResource )
+			datePicker.setBorder( null );
+
+		MigLayoutVisualPadding.uninstall( datePicker );
+	}
+
+	@Override
+	protected JFormattedTextField createEditor() {
+		JFormattedTextField editor = super.createEditor();
+		editor.setBorder( BorderFactory.createEmptyBorder() );
+		editor.setOpaque( false );
+		editor.addFocusListener( new FocusListener() {
+			@Override
+			public void focusLost( FocusEvent e ) {
+				if( datePicker != null )
+					datePicker.repaint();
+			}
+			@Override
+			public void focusGained( FocusEvent e ) {
+				if( datePicker != null )
+					datePicker.repaint();
+			}
+		} );
+		return editor;
+	}
+
+	@Override
+	protected JButton createPopupButton() {
+		popupButton = new FlatArrowButton( SwingConstants.SOUTH, arrowType, buttonArrowColor,
+			buttonDisabledArrowColor, buttonHoverArrowColor, null );
+		popupButton.setName( "popupButton" );
+		return popupButton;
+	}
+
+	@Override
+	protected LayoutManager createLayoutManager() {
+		return new LayoutManager() {
+			@Override
+			public void addLayoutComponent( String name, Component comp ) {}
+			@Override
+			public void removeLayoutComponent( Component comp ) {}
+
+			@Override
+			public Dimension preferredLayoutSize( Container parent ) {
+				return parent.getPreferredSize();
+			}
+			@Override
+			public Dimension minimumLayoutSize( Container parent ) {
+				return parent.getMinimumSize();
+			}
+			@Override
+			public void layoutContainer( Container parent ) {
+				Insets insets = datePicker.getInsets();
+				int x = insets.left;
+				int y = insets.top;
+				int width = datePicker.getWidth() - insets.left - insets.right;
+				int height = datePicker.getHeight() - insets.top - insets.bottom;
+
+				int popupButtonWidth = popupButton != null ? height : 0;
+				boolean ltr = datePicker.getComponentOrientation().isLeftToRight();
+
+				Rectangle r = new Rectangle( x + (ltr ? 0 : popupButtonWidth), y, width - popupButtonWidth, height );
+				r = FlatUIUtils.subtractInsets( r, UIScale.scale( padding ) );
+				datePicker.getEditor().setBounds( r );
+
+				if( popupButton != null )
+					popupButton.setBounds( x + (ltr ? width - popupButtonWidth : 0), y, popupButtonWidth, height );
+			}
+		};
+	}
+
+	@Override
+	public Dimension getPreferredSize( JComponent c ) {
+		Dimension dim = datePicker.getEditor().getPreferredSize();
+		dim = FlatUIUtils.addInsets( dim, UIScale.scale( padding ) );
+		if( popupButton != null )
+			dim.width += dim.height;
+		return FlatUIUtils.addInsets( dim, datePicker.getInsets() );
+	}
+
+	@Override
+	public void update( Graphics g, JComponent c ) {
+		if( c.isOpaque() ) {
+			FlatUIUtils.paintParentBackground( g, c );
+
+			Graphics2D g2 = (Graphics2D) g;
+			FlatUIUtils.setRenderingHints( g2 );
+
+			int width = c.getWidth();
+			int height = c.getHeight();
+			float focusWidth = (c.getBorder() instanceof FlatBorder) ? scale( (float) this.focusWidth ) : 0;
+			float arc = (c.getBorder() instanceof FlatRoundBorder) ? scale( (float) this.arc ) : 0;
+			int arrowX = popupButton.getX();
+			int arrowWidth = popupButton.getWidth();
+			boolean enabled = c.isEnabled();
+			boolean isLeftToRight = c.getComponentOrientation().isLeftToRight();
+
+			// paint background
+			g2.setColor( enabled ? c.getBackground() : disabledBackground );
+			FlatUIUtils.fillRoundRectangle( g2, 0, 0, width, height, focusWidth, arc );
+
+			// paint arrow button background
+			if( enabled ) {
+				g2.setColor( buttonBackground );
+				Shape oldClip = g2.getClip();
+				if( isLeftToRight )
+					g2.clipRect( arrowX, 0, width - arrowX, height );
+				else
+					g2.clipRect( 0, 0, arrowX + arrowWidth, height );
+				FlatUIUtils.fillRoundRectangle( g2, 0, 0, width, height, focusWidth, arc );
+				g2.setClip( oldClip );
+			}
+
+			// paint vertical line between value and arrow button
+			g2.setColor( enabled ? borderColor : disabledBorderColor );
+			float lw = scale( 1f );
+			float lx = isLeftToRight ? arrowX : arrowX + arrowWidth - lw;
+			g2.fill( new Rectangle2D.Float( lx, focusWidth, lw, height - (focusWidth * 2) ) );
+		}
+
+		paint( g, c );
+	}
+}