CPD Duplicate Code Viewer Control for jEdit

git-svn-id: https://pmd.svn.sourceforge.net/svnroot/pmd/trunk@1754 51baf565-9d33-0410-a72c-fc3788e3496d

pmd-jedit/src/net/sourceforge/pmd/jedit/CPDDuplicateCodeViewer.java

@@ -0,0 +1,197 @@
+package net.sourceforge.pmd.jedit;
+
+//Imports
+import java.util.*;
+import javax.swing.JPanel;
+import javax.swing.JTree;
+import javax.swing.tree.*;
+import javax.swing.event.TreeSelectionListener;
+import javax.swing.event.TreeSelectionEvent;
+import org.gjt.sp.jedit.jEdit;
+import org.gjt.sp.jedit.Buffer;
+import org.gjt.sp.jedit.textarea.Selection;
+import java.awt.BorderLayout;
+import javax.swing.JScrollPane;
+import org.gjt.sp.jedit.View;
+import org.gjt.sp.jedit.io.VFSManager;
+import java.awt.Component;
+import javax.swing.JLabel;
+import javax.swing.JComponent;
+//End of Imports
+
+/**
+  *    A GUI Component to display Duplicate code.
+  *
+  *    @created 05 Apr 2003
+  *    @author Jiger Patel
+  *
+  */
+
+public class CPDDuplicateCodeViewer  extends JPanel
+{
+	JTree tree;
+	DefaultTreeModel treeModel = new DefaultTreeModel(new DefaultMutableTreeNode("CPD Results",true));
+	View view;
+
+	public CPDDuplicateCodeViewer(View view)
+	{
+		this.view = view;
+		setLayout(new BorderLayout());
+		tree = new JTree(treeModel);
+		tree.getSelectionModel().setSelectionMode
+		(TreeSelectionModel.SINGLE_TREE_SELECTION);
+		tree.addTreeSelectionListener(new TreeSelectionListener()
+									  {
+										  public void valueChanged(TreeSelectionEvent e)
+										  {
+											  DefaultMutableTreeNode node = (DefaultMutableTreeNode)tree.getLastSelectedPathComponent();
+											  if (node == null) return;
+
+											  System.out.println("Node is " + node +" class "+ node.getClass());
+											  if (node.isLeaf() && node instanceof Duplicate)
+											  {
+												  Duplicate duplicate = (Duplicate)node;
+												  gotoDuplicate(duplicate);
+												  System.out.println("Got!! " + duplicate);
+											  }
+											  else
+											  {
+												  System.out.println("Iila something else. Please check ");
+											  }
+										  }
+									  });
+
+
+		add(new JScrollPane(tree));
+
+	}//End of CPDDuplicateCodeViewer constructor
+
+
+	public void refreshTree()
+	{
+		treeModel.reload();
+	}
+
+	public void gotoDuplicate(final Duplicate duplicate)
+	{
+		if(duplicate == null)
+		{
+			return;
+		}
+
+		final Buffer buffer = jEdit.openFile(view,duplicate.getFilename());
+
+		VFSManager.runInAWTThread(new Runnable()
+		{
+			public void run()
+			{
+				view.setBuffer(buffer);
+				int start = buffer.getLineStartOffset(duplicate.getBeginLine()-1);
+				int end = buffer.getLineEndOffset(duplicate.getEndLine()-1);
+				view.getTextArea().setSelection(new Selection.Range(start,end));
+				view.getTextArea().moveCaretPosition(start);
+			}
+		});
+
+
+	}
+
+	public DefaultMutableTreeNode getRoot()
+	{
+		return (DefaultMutableTreeNode)treeModel.getRoot();
+	}
+
+	public void addDuplicates(Duplicates duplicates)
+	{
+		System.out.println("Inside addDuplicates " + duplicates +" Root child count "+ treeModel.getChildCount(treeModel.getRoot()));
+		getRoot().add(duplicates);
+		//vecDuplicates.addElement(duplicates);
+	}
+
+	public class Duplicates extends DefaultMutableTreeNode
+	{
+		Vector vecduplicate = new Vector();
+		String message, sourcecode;
+
+		public Duplicates(String message, String sourcecode)
+		{
+			this.message = message;
+			this.sourcecode = sourcecode;
+		}
+
+		public String getSourceCode()
+		{
+			return sourcecode;
+		}
+
+		public void addDuplicate(Duplicate duplicate)
+		{
+			add(duplicate);
+			//vecduplicate.addElement(duplicate);
+		}
+
+		public String toString()
+		{
+			return message;
+		}
+	}
+
+	public class Duplicate extends DefaultMutableTreeNode
+	{
+		private String filename;
+		private int beginLine, endLine;
+
+		public Duplicate(String filename,int beginLine, int endLine)
+		{
+			this.filename = filename;
+			this.beginLine = beginLine;
+			this.endLine = endLine;
+		}
+
+		public String getFilename()
+		{
+			return filename;
+		}
+
+		public int getBeginLine()
+		{
+			return beginLine;
+		}
+
+		public int getEndLine()
+		{
+			return endLine;
+		}
+
+		public String toString()
+		{
+			return filename + ":"+ getBeginLine()+"-"+getEndLine();
+		}
+	}
+
+	public void expandAll()
+	{
+		int row = 0;
+		while (row < tree.getRowCount())
+		{
+			tree.expandRow(row);
+			row++;
+		}
+	}
+
+	public void collapseAll()
+	{
+		int row = tree.getRowCount() - 1;
+		while (row >= 0) {
+			tree.collapseRow(row);
+			row--;
+		}
+	}
+
+	public void clearDuplicates()
+	{
+		getRoot().removeAllChildren();
+	}
+
+}//End of class CPDDuplicateCodeViewer
+