323 lines
8.1 KiB
Java
323 lines
8.1 KiB
Java
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package viewer.rtree.gui;
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import java.awt.*;
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import java.awt.event.MouseEvent;
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import javax.swing.*;
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import javax.swing.table.*;
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import javax.swing.border.*;
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import java.text.*;
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import viewer.rtree.*;
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/**
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* NodeInfoPanel displays detail informationen on a selected node and the selected tree.
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*
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* @@author Oliver Feuer
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* @@author Benedikt Buer
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* @@author Christian Oevermann
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* @@version 1.4
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* @@since 20.02.2010
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*/
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public class NodeInfoPanel extends JPanel implements NodeDisplay
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{
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private static final long serialVersionUID = -8814226134652849118L;
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// panel to display
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private JPanel nodePanel;
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private JPanel tuplePanel;
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// table to display
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private JTable nodeInfoTable;
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// abstract table model
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private NodeInfoTableModel tableModel;
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// tuple info text area
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private JTextArea tupleInfo;
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private RTree tree;
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private int noOfDimensions;
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/**
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* Creates a new panel to display node detail information.
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*/
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public NodeInfoPanel()
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{
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// set some layout defaults
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setLayout(new BorderLayout());
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// create node info panel
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this.nodePanel = new JPanel();
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this.tableModel = new NodeInfoTableModel();
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this.nodeInfoTable = new NodeInfoTable(tableModel);
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this.nodePanel.add(nodeInfoTable);
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JScrollPane scrollPane1 = new JScrollPane(nodePanel);
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scrollPane1.setBorder(BorderFactory.createLineBorder(Color.red));
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// create tuple info panel
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this.tupleInfo = new JTextArea();
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this.tupleInfo.setEditable(false);
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this.tupleInfo.setText("");
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JScrollPane scrollPane2 = new JScrollPane(tupleInfo);
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scrollPane2.setBorder(BorderFactory.createLineBorder(Color.blue));
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JSplitPane splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT,
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scrollPane1, scrollPane2);
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splitPane.setOneTouchExpandable(true);
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this.add(splitPane, BorderLayout.CENTER);
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}
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/**
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* Displays information on the given node.
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* @@param n Node to display information on
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*/
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public void displayNode(Node node)
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{
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tableModel.setNode(node);
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nodeInfoTable.repaint();
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this.tupleInfo.setText("");
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}
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/**
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* Displays information on the given tuple.
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* @@param t Tuple to display information on
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*/
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public void displayTuple(Tuple tuple)
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{
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if ( tuple != null)
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{
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this.tupleInfo.setText(tuple.completeToString());
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}
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else
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{
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this.tupleInfo.setText("");
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}
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nodeInfoTable.repaint();
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}
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/**
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* Sets rtree attributes.
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* @@param name RTree name
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* @@param noOfDimensions Total number of dimensions
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*/
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public void setRTreeAttributes(String name, int noOfDimensions)
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{
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if ( name == null )
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{
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tableModel.setRTree(null, 0);
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tableModel.setNode(null);
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this.tupleInfo.setText("");
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nodeInfoTable.repaint();
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}
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else
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{
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this.tree = new RTree(name);
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this.noOfDimensions = noOfDimensions;
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tableModel.setRTree(tree, this.noOfDimensions);
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nodeInfoTable.repaint();
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}
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}
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// stubs of other NodeDisplay members
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public void selectNode(Node node) {};
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/**
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* The table used to display node detail information.
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*
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* @@author Benedikt Buer
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* @@version 1.1
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* @@since 10.2.2010
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*/
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private class NodeInfoTable extends JTable
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{
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private static final long serialVersionUID = 17421624834933038L;
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public NodeInfoTable(AbstractTableModel tableModel)
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{
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super(tableModel);
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TableColumn column = this.getColumnModel().getColumn(0);
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column.setPreferredWidth(110);
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column = this.getColumnModel().getColumn(1);
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column.setPreferredWidth(140);
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}
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public String getToolTipText(MouseEvent e) {
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java.awt.Point p = e.getPoint();
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int rowIndex = rowAtPoint(p);
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int colIndex = columnAtPoint(p);
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int realColumnIndex = convertColumnIndexToModel(colIndex);
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if ((realColumnIndex == 0)||(realColumnIndex == 1))
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{
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switch (rowIndex )
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{
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case 0: return "The name of the rtree.";
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case 1: return "The height of the rtree.";
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case 2: return "The total number of nodes in the rtree.";
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case 3: return "The total number of keys in the rtree.";
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case 4: return "The total number of dimensions.";
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case 5: return "";
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case 6: return "The internal id of the node currently in focus.";
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case 7: return "The level of the node in the rtree.";
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case 8: return "True if the currently focused node is a root node.";
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case 9: return "True if the currently focused node is a leaf node.";
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case 10: return "The number of sons of the currently focused node.";
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case 11: return "The number of entries of the currently focused leaf node.";
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case 12: return "The size of the minimal bounding box.";
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case 13: return "The size of the minimal bounding box area that is not overlapped by at least one child node's bounding box.";
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case 14: return "The size of the minimal bounding box area where at least two child node's bounding boxes overlap.";
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case 15: return "The total number of pairwise overlapping son minimal bounding boxes.";
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case 16: return "The average density of son bounding boxes overlapping any given point from this node's minimal bounding box.";
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default: return "-";
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}
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}
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else
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{
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return super.getToolTipText(e);
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}
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}
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}
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/**
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* The abstract table model used to display node detail information.
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*
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* @@author Benedikt Buer
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* @@author Christian Oevermann
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* @@version 1.1
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* @@since 26.12.2009
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*/
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private class NodeInfoTableModel extends AbstractTableModel
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{
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private static final long serialVersionUID = -3848425737904063198L;
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// node to display
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private Node node;
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// rtree to display
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private RTree rtree;
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int noOfDimensions;
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String[] labels = {"Tree Name", "Tree Height", "No. of Nodes", "No. of Keys", "Dimensions", "",
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"Node Id", "Node Level", "Is Root Node", "Is Leaf Node", "No. of Sons", "No. of Entries",
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"MBR Size", "MBR Dead", "MBR Overlap", "MBR Overlap No.", "MBR Density"};
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/**
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* Sets a new node into the table model.
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* @@param node Node
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*/
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public void setNode(Node node)
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{
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this.node = node;
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repaint();
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}
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/**
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* Sets a new rtree into the table model
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* @@param tree RTree
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*/
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public void setRTree(RTree tree, int noOfDimensions)
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{
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this.rtree = tree;
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this.noOfDimensions = noOfDimensions;
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repaint();
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}
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/**
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* Gets the total columns.
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*/
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public int getColumnCount()
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{
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return 2;
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}
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/**
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* Gets the total rows.
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*/
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public int getRowCount()
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{
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return 17;
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}
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/**
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* Gets field contents by row and column.
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* @@param row Table row
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* @@param column Table column
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*/
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public Object getValueAt(int row, int column)
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{
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DecimalFormat dcFormat1 = new DecimalFormat("#.###");
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DecimalFormat dcFormat2 = new DecimalFormat("#.############");
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if (column == 0)
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{
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return labels[row];
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}
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// No RTree selected
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if (rtree == null )
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{
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if (row==5)
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{
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return "";
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}
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else
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{
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return "-";
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}
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}
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// Return values
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else
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{
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switch (row)
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{
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case 0: return rtree.getName();
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case 1: return rtree.getTreeHeight();
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case 2: return rtree.getNoNodes();
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case 3: return rtree.getNoEntries();
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case 4: return noOfDimensions;
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case 5: return "";
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}
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// node is undefined
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if (node == null)
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{
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return "-";
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}
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// Return node values
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else
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{
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switch (row)
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{
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case 6: return node.getNodeId();
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case 7: return node.getNodeLevel();
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case 8: return node.isRootNode();
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case 9: return node.isLeafNode();
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case 10: return node.getNoOfSons();
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case 11: return node.getNoOfEntries();
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case 12: return dcFormat1.format(node.getMbrSize());
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case 13: return dcFormat1.format(node.getMbrDead());
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case 14: return dcFormat1.format(node.getMbrOverlap());
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case 15: return node.getMbrOverlapNo();
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case 16: return dcFormat2.format(node.getMbrDensity());
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}
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}
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}
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return "";
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}
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private String round(double in)
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{
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double num = in * 10000;
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long longNum = Math.round(num);
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return String.valueOf(longNum / 10000);
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}
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}
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}
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