Initial commit

src/com/gpl/rpg/atcontentstudio/model/GameDataElement.java

@@ -0,0 +1,185 @@
+package com.gpl.rpg.atcontentstudio.model;
+
+import java.awt.Image;
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import javax.swing.tree.TreeNode;
+
+public abstract class GameDataElement implements ProjectTreeNode, Serializable {
+
+	private static final long serialVersionUID = 2028934451226743389L;
+	
+	public static enum State {
+		init, // We know the object exists, and have its key/ID.
+		parsed, // We know the object's properties, but related objects are referenced by ID only.
+		linked, // We know the object fully, and all links to related objects point to objects in the parsed state at least.
+		created, // This is an object we are creating
+		modified, // Whether altered or created, this item has been modified since creation from scratch or from JSON.
+		saved // Whether altered or created, this item has been saved since last modification.
+	}
+	
+	public State state = State.init;
+	
+	//Available from state init.
+	public ProjectTreeNode parent;
+	
+	public boolean writable = false;
+	
+	//List of objects whose transition to "linked" state made them point to this instance.
+	private Map<GameDataElement, Integer> backlinks = new HashMap<GameDataElement, Integer>();
+
+	public String id = null;
+	
+	@Override
+	public Enumeration<ProjectTreeNode> children() {
+		return null;
+	}
+	@Override
+	public boolean getAllowsChildren() {
+		return false;
+	}
+	@Override
+	public TreeNode getChildAt(int arg0) {
+		return null;
+	}
+	@Override
+	public int getChildCount() {
+		return 0;
+	}
+	@Override
+	public int getIndex(TreeNode arg0) {
+		return 0;
+	}
+	@Override
+	public TreeNode getParent() {
+		return parent;
+	}
+	@Override
+	public boolean isLeaf() {
+		return true;
+	}
+	@Override
+	public void childrenAdded(List<ProjectTreeNode> path) {
+		path.add(0,this);
+		parent.childrenAdded(path);
+	}
+
+	@Override
+	public void childrenChanged(List<ProjectTreeNode> path) {
+		path.add(0,this);
+		parent.childrenChanged(path);
+	}
+
+	@Override
+	public void childrenRemoved(List<ProjectTreeNode> path) {
+		path.add(0,this);
+		parent.childrenRemoved(path);
+	}
+	@Override
+	public void notifyCreated() {
+		childrenAdded(new ArrayList<ProjectTreeNode>());
+	}
+	@Override
+	public abstract String getDesc();
+	
+	public static String getStaticDesc() {
+		return "GameDataElements";
+	}
+	
+	public abstract void parse();
+	public abstract void link();
+	
+	
+	
+	@Override
+	public Project getProject() {
+		return parent.getProject();
+	}
+	
+	
+	public Image getIcon() {
+		return null;
+	}
+	@Override
+	public Image getClosedIcon() {return null;}
+	@Override
+	public Image getOpenIcon() {return null;}
+	@Override
+	public Image getLeafIcon() {
+		return getIcon();
+	}
+	
+	
+	public abstract GameDataElement clone();
+	
+	public abstract void elementChanged(GameDataElement oldOne, GameDataElement newOne);
+
+	
+	@Override
+	public GameSource.Type getDataType() {
+		if (parent == null) {
+			System.out.println("blerf.");
+		}
+		return parent.getDataType();
+	}
+	
+	
+	public List<BacklinksListener> backlinkListeners = new ArrayList<GameDataElement.BacklinksListener>();
+	
+	public void addBacklinkListener(BacklinksListener l) {
+		backlinkListeners.add(l);
+	}
+
+	public void removeBacklinkListener(BacklinksListener l) {
+		backlinkListeners.remove(l);
+	}
+	
+	public void addBacklink(GameDataElement gde) {
+		if (!backlinks.containsKey(gde)) {
+			backlinks.put(gde, 1);
+			for (BacklinksListener l : backlinkListeners) {
+				l.backlinkAdded(gde);
+			}
+		} else {
+			backlinks.put(gde, backlinks.get(gde) + 1);
+		}
+	}
+
+	public void removeBacklink(GameDataElement gde) {
+		if (backlinks.get(gde) == null) return;
+		backlinks.put(gde, backlinks.get(gde) - 1);
+		if (backlinks.get(gde) == 0) {
+			backlinks.remove(gde);
+			for (BacklinksListener l : backlinkListeners) {
+				l.backlinkRemoved(gde);
+			}
+		}
+	}
+
+	public Set<GameDataElement> getBacklinks() {
+		return backlinks.keySet();
+	}
+	
+	public static interface BacklinksListener {
+		public void backlinkAdded(GameDataElement gde);
+		public void backlinkRemoved(GameDataElement gde);
+	}
+	
+	@Override
+	public boolean isEmpty() {
+		return false;
+	}
+	
+	public abstract String getProjectFilename();
+	
+	public abstract void save();
+	
+	public abstract List<SaveEvent> attemptSave();
+	
+}