SwingX: JXMonthView support (#8)

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

@@ -0,0 +1,76 @@
+/*
+ * 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.BasicStroke;
+import java.awt.Color;
+import java.awt.Component;
+import java.awt.Graphics2D;
+import java.awt.Shape;
+import javax.swing.SwingConstants;
+import javax.swing.UIManager;
+import com.formdev.flatlaf.icons.FlatAbstractIcon;
+import com.formdev.flatlaf.ui.FlatArrowButton;
+
+/**
+ * "month down" icon for {@link org.jdesktop.swingx.JXMonthView}.
+ *
+ * @uiDefault Component.arrowType				String	triangle (default) or chevron
+ * @uiDefault JXMonthView.arrowColor			Color
+ * @uiDefault JXMonthView.disabledArrowColor	Color
+ *
+ * @author Karl Tauber
+ */
+public class FlatMonthDownIcon
+	extends FlatAbstractIcon
+{
+	protected final boolean chevron = "chevron".equals( UIManager.getString( "Component.arrowType" ) );
+	protected final Color arrowColor = UIManager.getColor( "JXMonthView.arrowColor" );
+	protected final Color disabledArrowColor = UIManager.getColor( "JXMonthView.disabledArrowColor" );
+
+	private final int direction;
+
+	public FlatMonthDownIcon() {
+		this( SwingConstants.WEST );
+	}
+
+	protected FlatMonthDownIcon( int direction ) {
+		super( 20, 20, null );
+		this.direction = direction;
+	}
+
+	@Override
+	protected void paintIcon( Component c, Graphics2D g ) {
+		int h = chevron ? 4 : 5;
+		int w = chevron ? 8 : 9;
+		int x = Math.round( (width - h) / 2f );
+		int y = Math.round( (height - w) / 2f );
+
+		g.setColor( c.isEnabled() ? arrowColor : disabledArrowColor );
+		g.translate( x, y );
+		Shape arrowShape = FlatArrowButton.createArrowShape( direction, chevron, w, h );
+		if( chevron ) {
+			// chevron arrow
+			g.setStroke( new BasicStroke( 1f ) );
+			g.draw( arrowShape );
+		} else {
+			// triangle arrow
+			g.fill( arrowShape );
+		}
+		g.translate( -x, -y );
+	}
+}

flatlaf-swingx/src/main/java/com/formdev/flatlaf/swingx/ui/FlatMonthUpIcon.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 javax.swing.SwingConstants;
+
+/**
+ * "month up" icon for {@link org.jdesktop.swingx.JXMonthView}.
+ *
+ * @author Karl Tauber
+ */
+public class FlatMonthUpIcon
+	extends FlatMonthDownIcon
+{
+	public FlatMonthUpIcon() {
+		super( SwingConstants.EAST );
+	}
+}

flatlaf-swingx/src/main/java/com/formdev/flatlaf/swingx/ui/FlatMonthViewUI.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.Insets;
+import java.util.Calendar;
+import javax.swing.JComponent;
+import javax.swing.border.Border;
+import javax.swing.border.CompoundBorder;
+import javax.swing.border.EmptyBorder;
+import javax.swing.plaf.ComponentUI;
+import org.jdesktop.swingx.JXMonthView;
+import org.jdesktop.swingx.plaf.basic.BasicMonthViewUI;
+import org.jdesktop.swingx.plaf.basic.CalendarRenderingHandler;
+import org.jdesktop.swingx.plaf.basic.CalendarState;
+import com.formdev.flatlaf.ui.FlatEmptyBorder;
+import com.formdev.flatlaf.ui.FlatLineBorder;
+
+/**
+ * Provides the Flat LaF UI delegate for {@link org.jdesktop.swingx.JXMonthView}.
+ *
+ * @author Karl Tauber
+ */
+public class FlatMonthViewUI
+	extends BasicMonthViewUI
+{
+	public static ComponentUI createUI( JComponent c ) {
+		return new FlatMonthViewUI();
+	}
+
+	@Override
+	protected CalendarRenderingHandler createRenderingHandler() {
+		return new FlatRenderingHandler();
+	}
+
+	//---- class FlatRenderingHandler -----------------------------------------
+
+	private static class FlatRenderingHandler
+		extends RenderingHandler
+	{
+		@Override
+		public JComponent prepareRenderingComponent( JXMonthView monthView, Calendar calendar,
+			CalendarState dayState )
+		{
+			JComponent c = super.prepareRenderingComponent( monthView, calendar, dayState );
+
+			int px = monthView.getBoxPaddingX();
+			int py = monthView.getBoxPaddingY();
+
+			// scale borders
+			Border border = null;
+			if( dayState == CalendarState.TITLE &&  monthView.isTraversable() ) {
+				Border b = c.getBorder();
+				if( b instanceof CompoundBorder && ((CompoundBorder)b).getInsideBorder() instanceof EmptyBorder )
+					border = new CompoundBorder( ((CompoundBorder)b).getOutsideBorder(), new FlatEmptyBorder( py * 2, 0, py * 2, 0 ) );
+			} else if( dayState == CalendarState.TODAY )
+				border = new FlatLineBorder( new Insets( py, px, py, px ), monthView.getTodayBackground() );
+
+			if( border == null )
+				border = new FlatEmptyBorder( py, px, py, px );
+			c.setBorder( border );
+
+			return c;
+		}
+	}
+}