added group/ungroup

diy-layout-creator --username bancika@gmail.com/DIYLC/src/org/diylc/common/IPlugInPort.java

@@ -169,11 +169,9 @@ public interface IPlugInPort {
 	ComponentSelection getSelectedComponents();
 
 	/**
-	 * Changes component selection.
+	 * Selects all components in the project.
-	 * 
-	 * @param selection
 	 */
-	void setSelectedComponents(ComponentSelection selection);
+	void selectAll();
 
 	/**
 	 * Returns the {@link Area} occupied by the component.
@@ -306,4 +304,8 @@ public interface IPlugInPort {
 	 * @param isMetric
 	 */
 	void setMetric(boolean isMetric);
+
+	void groupSelectedComponents();
+
+	void ungroupSelectedComponents();
 }

diy-layout-creator --username bancika@gmail.com/DIYLC/src/org/diylc/core/Project.java

@@ -2,7 +2,9 @@ package org.diylc.core;
 
 import java.io.Serializable;
 import java.util.ArrayList;
+import java.util.HashSet;
 import java.util.List;
+import java.util.Set;
 
 import org.diylc.core.annotations.EditableProperty;
 import org.diylc.core.measures.Size;
@@ -29,9 +31,11 @@ public class Project implements Serializable {
 	private Size width;
 	private Size height;
 	private List<IDIYComponent<?>> components;
+	private Set<Set<IDIYComponent<?>>> groups;
 
 	public Project() {
 		components = new ArrayList<IDIYComponent<?>>();
+		groups = new HashSet<Set<IDIYComponent<?>>>();
 		title = DEFAULT_TITLE;
 		author = System.getProperty("user.name");
 		width = DEFAULT_WIDTH;
@@ -39,7 +43,7 @@ public class Project implements Serializable {
 	}
 
 	public Project(String title, String author, String description, Size width, Size height,
-			List<IDIYComponent<?>> components) {
+			List<IDIYComponent<?>> components, Set<Set<IDIYComponent<?>>> groups) {
 		super();
 		this.title = title;
 		this.author = author;
@@ -47,6 +51,7 @@ public class Project implements Serializable {
 		this.width = width;
 		this.height = height;
 		this.components = components;
+		this.groups = groups;
 	}
 
 	@EditableProperty
@@ -103,6 +108,15 @@ public class Project implements Serializable {
 		return components;
 	}
 
+	/**
+	 * Set of grouped components.
+	 * 
+	 * @return
+	 */
+	public Set<Set<IDIYComponent<?>>> getGroups() {
+		return groups;
+	}
+
 	@Override
 	public int hashCode() {
 		final int prime = 31;

diy-layout-creator --username bancika@gmail.com/DIYLC/src/org/diylc/images/IconLoader.java

@@ -21,7 +21,7 @@ public enum IconLoader {
 			"csv.png"), HTML("html.png"), Image("image.png"), Cut("cut.png"), Copy("copy.png"), Paste(
 			"paste.png"), Selection("selection.png"), BOM("bom.png"), BlackBoard("blackboard.png"), IdCard(
 			"id_card.png"), IdCardAdd("id_card_add.png"), Chest("chest.png"), Upload("upload.png"), Wrench(
-			"wrench.png"), ;
+			"wrench.png"), Group("group.png"), Ungroup("ungroup.png");
 
 	protected String name;
 

diy-layout-creator --username bancika@gmail.com/DIYLC/src/org/diylc/plugins/clipboard/ClipboardManager.java

@@ -76,6 +76,9 @@ public class ClipboardManager implements IPlugIn, ClipboardOwner {
 		plugInPort.injectMenuAction(pasteAction, EDIT_TITLE);
 		plugInPort.injectMenuAction(null, EDIT_TITLE);
 		plugInPort.injectMenuAction(new SelectAllAction(), EDIT_TITLE);
+		plugInPort.injectMenuAction(null, EDIT_TITLE);
+		plugInPort.injectMenuAction(new GroupAction(), EDIT_TITLE);
+		plugInPort.injectMenuAction(new UngroupAction(), EDIT_TITLE);
 
 		refreshActions();
 	}
@@ -187,8 +190,45 @@ public class ClipboardManager implements IPlugIn, ClipboardOwner {
 		@Override
 		public void actionPerformed(ActionEvent e) {
 			LOG.info("Select All triggered");
-			plugInPort.setSelectedComponents(new ComponentSelection(plugInPort.getCurrentProject()
+			plugInPort.selectAll();
-					.getComponents()));
+		}
+	}
+
+	class GroupAction extends AbstractAction {
+
+		private static final long serialVersionUID = 1L;
+
+		public GroupAction() {
+			super();
+			putValue(AbstractAction.NAME, "Group Selection");
+			putValue(AbstractAction.ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_G,
+					ActionEvent.CTRL_MASK));
+			putValue(AbstractAction.SMALL_ICON, IconLoader.Group.getIcon());
+		}
+
+		@Override
+		public void actionPerformed(ActionEvent e) {
+			LOG.info("Group Selection triggered");
+			plugInPort.groupSelectedComponents();
+		}
+	}
+
+	class UngroupAction extends AbstractAction {
+
+		private static final long serialVersionUID = 1L;
+
+		public UngroupAction() {
+			super();
+			putValue(AbstractAction.NAME, "Ungroup Selection");
+			putValue(AbstractAction.ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_U,
+					ActionEvent.CTRL_MASK));
+			putValue(AbstractAction.SMALL_ICON, IconLoader.Ungroup.getIcon());
+		}
+
+		@Override
+		public void actionPerformed(ActionEvent e) {
+			LOG.info("Ungroup Selection triggered");
+			plugInPort.ungroupSelectedComponents();
 		}
 	}
 

diy-layout-creator --username bancika@gmail.com/DIYLC/src/org/diylc/presenter/Presenter.java

@@ -13,9 +13,11 @@ import java.awt.geom.Area;
 import java.awt.geom.Point2D;
 import java.lang.reflect.Modifier;
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
+import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
@@ -384,14 +386,14 @@ public class Presenter implements IPlugInPort {
 				// cursor.
 				if (ctrlDown) {
 					if (selectedComponents.contains(component)) {
-						selectedComponents.remove(component);
+						selectedComponents.removeAll(findAllGroupedComponents(component));
 					} else {
-						selectedComponents.add(component);
+						selectedComponents.addAll(findAllGroupedComponents(component));
 					}
 				} else {
 					// Otherwise just select that one component.
 					selectedComponents.clear();
-					selectedComponents.add(component);
+					selectedComponents.addAll(findAllGroupedComponents(component));
 				}
 			}
 			messageDispatcher.dispatchMessage(EventType.SELECTION_CHANGED, selectedComponents);
@@ -454,8 +456,8 @@ public class Presenter implements IPlugInPort {
 	}
 
 	@Override
-	public void setSelectedComponents(ComponentSelection selection) {
+	public void selectAll() {
-		this.selectedComponents = new ComponentSelection(selection);
+		this.selectedComponents = new ComponentSelection(currentProject.getComponents());
 		messageDispatcher.dispatchMessage(EventType.SELECTION_CHANGED, selectedComponents);
 		messageDispatcher.dispatchMessage(EventType.SELECTION_SIZE_CHANGED,
 				calculateSelectionDimension());
@@ -502,7 +504,7 @@ public class Presenter implements IPlugInPort {
 			// it into the only selected component.
 			if (!selectedComponents.contains(component)) {
 				selectedComponents.clear();
-				selectedComponents.add(component);
+				selectedComponents.addAll(findAllGroupedComponents(component));
 				messageDispatcher.dispatchMessage(EventType.SELECTION_CHANGED, selectedComponents);
 				messageDispatcher.dispatchMessage(EventType.SELECTION_SIZE_CHANGED,
 						calculateSelectionDimension());
@@ -587,7 +589,7 @@ public class Presenter implements IPlugInPort {
 			for (IDIYComponent<?> component : currentProject.getComponents()) {
 				Area area = componentAreaMap.get(component);
 				if ((area != null) && (selectionRect != null) && area.intersects(selectionRect)) {
-					selectedComponents.add(component);
+					selectedComponents.addAll(findAllGroupedComponents(component));
 				}
 			}
 			selectionRect = null;
@@ -622,6 +624,8 @@ public class Presenter implements IPlugInPort {
 	public void deleteSelectedComponents() {
 		LOG.debug("deleteSelectedComponents()");
 		Project oldProject = cloner.deepClone(currentProject);
+		// Remove selected components from any groups.
+		ungroupComponents(selectedComponents);
 		currentProject.getComponents().removeAll(selectedComponents);
 		messageDispatcher.dispatchMessage(EventType.PROJECT_MODIFIED, oldProject, cloner
 				.deepClone(currentProject), "Delete");
@@ -673,6 +677,55 @@ public class Presenter implements IPlugInPort {
 				calculateSelectionDimension());
 	}
 
+	@Override
+	public void groupSelectedComponents() {
+		LOG.debug("groupSelectedComponents()");
+		Project oldProject = cloner.deepClone(currentProject);
+		// First remove the selected components from other groups.
+		ungroupComponents(selectedComponents);
+		// Then group them together
+		currentProject.getGroups().add(new HashSet<IDIYComponent<?>>(selectedComponents));
+		// Notify the listeners.
+		if (!oldProject.equals(currentProject)) {
+			messageDispatcher.dispatchMessage(EventType.PROJECT_MODIFIED, oldProject, cloner
+					.deepClone(currentProject), "Group");
+		}
+	}
+
+	@Override
+	public void ungroupSelectedComponents() {
+		LOG.debug("ungroupSelectedComponents()");
+		Project oldProject = cloner.deepClone(currentProject);
+		ungroupComponents(selectedComponents);
+		// Notify the listeners.
+		if (!oldProject.equals(currentProject)) {
+			messageDispatcher.dispatchMessage(EventType.PROJECT_MODIFIED, oldProject, cloner
+					.deepClone(currentProject), "Group");
+		}
+	}
+
+	private void ungroupComponents(Collection<IDIYComponent<?>> components) {
+		Iterator<Set<IDIYComponent<?>>> groupIterator = currentProject.getGroups().iterator();
+		while (groupIterator.hasNext()) {
+			Set<IDIYComponent<?>> group = groupIterator.next();
+			group.removeAll(components);
+			if (group.isEmpty()) {
+				groupIterator.remove();
+			}
+		}
+	}
+
+	private Set<IDIYComponent<?>> findAllGroupedComponents(IDIYComponent<?> component) {
+		Set<IDIYComponent<?>> components = new HashSet<IDIYComponent<?>>();
+		components.add(component);
+		for (Set<IDIYComponent<?>> group : currentProject.getGroups()) {
+			if (group.contains(component)) {
+				components.addAll(group);
+			}
+		}
+		return components;
+	}
+
 	/**
 	 * @return selection size expressed in either inches or centimeters, based
 	 *         on the user preference.