Allow rotate and mirror actions on Pin Header component

diylc/diylc-core/src/org/diylc/presenter/update.xml

@@ -3185,6 +3185,10 @@
 				<org.diylc.appframework.update.Change>
 					<changeType>NEW_FEATURE</changeType>
 					<description>On MacOS the app registers to open .DIY files</description>
+				</org.diylc.appframework.update.Change>	
+				<org.diylc.appframework.update.Change>
+					<changeType>IMPROVEMENT</changeType>
+					<description>Allow rotate and mirror actions on Pin Header component</description>
 				</org.diylc.appframework.update.Change>												
 			</changes>
 			<url>https://github.com/bancika/diy-layout-creator/releases</url>

diylc/diylc-library/src/org/diylc/components/electromechanical/PinHeader.java

@@ -36,6 +36,7 @@ import org.diylc.common.IPlugInPort;
 import org.diylc.common.ObjectCache;
 import org.diylc.common.Orientation;
 import org.diylc.components.AbstractTransparentComponent;
+import org.diylc.components.transform.PinHeaderTransformer;
 import org.diylc.core.ComponentState;
 import org.diylc.core.IDIYComponent;
 import org.diylc.core.IDrawingObserver;
@@ -50,7 +51,7 @@ import org.diylc.utils.Constants;
 
 @ComponentDescriptor(name = "Pin Header", author = "Branislav Stojkovic", category = "Electro-Mechanical",
     instanceNamePrefix = "PH", description = "PCB mount male pin header with editable number or pins and pin spacing",
-    zOrder = IDIYComponent.COMPONENT, enableCache = true)
+    zOrder = IDIYComponent.COMPONENT, enableCache = true, transformer = PinHeaderTransformer.class)
 public class PinHeader extends AbstractTransparentComponent<Void> {
 
   private static final long serialVersionUID = 1L;

diylc/diylc-library/src/org/diylc/components/transform/PinHeaderTransformer.java

@@ -0,0 +1,134 @@
+/*
+
+    DIY Layout Creator (DIYLC).
+    Copyright (c) 2009-2018 held jointly by the individual authors.
+
+    This file is part of DIYLC.
+
+    DIYLC is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    DIYLC is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with DIYLC.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+package org.diylc.components.transform;
+
+import java.awt.geom.AffineTransform;
+import java.awt.geom.Point2D;
+
+import org.diylc.common.IComponentTransformer;
+import org.diylc.common.Orientation;
+import org.diylc.components.electromechanical.PinHeader;
+import org.diylc.core.IDIYComponent;
+
+public class PinHeaderTransformer implements IComponentTransformer {
+
+  @Override
+  public boolean canRotate(IDIYComponent<?> component) {
+    return component.getClass().equals(PinHeader.class);
+  }
+
+  @Override
+  public boolean canMirror(IDIYComponent<?> component) {
+    return component.getClass().equals(PinHeader.class);
+  }
+
+  @Override
+  public boolean mirroringChangesCircuit() {
+    return false;
+  }
+
+  @Override
+  public void rotate(IDIYComponent<?> component, Point2D center, int direction) {
+    AffineTransform rotate = AffineTransform.getRotateInstance(Math.PI / 2 * direction, center.getX(), center.getY());
+    for (int index = 0; index < component.getControlPointCount(); index++) {
+      Point2D p = new Point2D.Double();
+      rotate.transform(component.getControlPoint(index), p);
+      component.setControlPoint(p, index);
+    }
+
+    PinHeader header = (PinHeader) component;
+    Orientation o = header.getOrientation();
+    int oValue = o.ordinal();
+    oValue += direction;
+    if (oValue < 0)
+      oValue = Orientation.values().length - 1;
+    if (oValue >= Orientation.values().length)
+      oValue = 0;
+    o = Orientation.values()[oValue];
+    header.setOrientation(o);
+  }
+
+  @Override
+  public void mirror(IDIYComponent<?> component, Point2D center, int direction) {
+    PinHeader header = (PinHeader) component;
+
+    if (direction == IComponentTransformer.HORIZONTAL) {
+      double dx = 2 * (center.getX() - header.getControlPoint(1).getX());
+      double dy = 0;
+      Orientation o = header.getOrientation();
+      switch (o) {
+        case DEFAULT:
+          dx += header.getControlPoint(0).getX() - header.getControlPoint(header.getControlPointCount() - 1).getX();
+          break;
+        case _90:
+          o = Orientation._270;
+          dx -= 2 * (header.getControlPoint(0).getX() - header.getControlPoint(1).getX());
+          dy -= header.getControlPoint(0).getY() - header.getControlPoint(header.getControlPointCount() - 1).getY();
+          break;
+        case _180:
+          dx += header.getControlPoint(0).getX() - header.getControlPoint(header.getControlPointCount() - 1).getX();
+          break;
+        case _270:
+          dx -= 2 * (header.getControlPoint(0).getX() - header.getControlPoint(1).getX());
+          dy -= header.getControlPoint(0).getY() - header.getControlPoint(header.getControlPointCount() - 1).getY();
+          o = Orientation._90;
+          break;
+      }
+
+      for (int i = 0; i < header.getControlPointCount(); i++) {
+        Point2D p = header.getControlPoint(i);
+        header.setControlPoint(new Point2D.Double(p.getX() + dx, p.getY() + dy), i);
+      }
+
+      header.setOrientation(o);
+    } else {
+      double dx = 0;
+      double dy = 2 * (center.getY() - header.getControlPoint(1).getY());
+      Orientation o = header.getOrientation();
+      switch (o) {
+        case DEFAULT:
+          dx -= header.getControlPoint(0).getX() - header.getControlPoint(header.getControlPointCount() - 1).getX();
+          dy -= 2 * (header.getControlPoint(0).getY() - header.getControlPoint(1).getY());
+          o = Orientation._180;
+          break;
+        case _90:
+          dy += header.getControlPoint(0).getY() - header.getControlPoint(header.getControlPointCount() - 1).getY();
+          break;
+        case _180:
+          dx -= header.getControlPoint(0).getX() - header.getControlPoint(header.getControlPointCount() - 1).getX();
+          dy -= 2 * (header.getControlPoint(0).getY() - header.getControlPoint(1).getY());
+          o = Orientation.DEFAULT;
+          break;
+        case _270:
+          dy += header.getControlPoint(0).getY() - header.getControlPoint(header.getControlPointCount() - 1).getY();
+          break;
+      }
+
+      for (int i = 0; i < header.getControlPointCount(); i++) {
+        Point2D p = header.getControlPoint(i);
+        header.setControlPoint(new Point2D.Double(p.getX() + dx, p.getY() + dy), i);
+      }
+
+      header.setOrientation(o);
+    }
+  }
+}