Distinguish between adding a requirement as its child and as its pare…

…nt, add checkboxes in the table of possible sub-requirements, and prevent cyclic requirement dependencies (#121)

RequirementsManagement/src/edu/wpi/cs/wpisuitetng/modules/requirementsmanagement/gui/ViewPossibleSubReqTable.java

@@ -0,0 +1,142 @@
+/*******************************************************************************
+ * Copyright (c) 2013 -- WPI Suite
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Josh
+ *    Tim C
+ *    James
+ *    Jacob Palnick
+ *    vpatara
+ ******************************************************************************/
+
+package edu.wpi.cs.wpisuitetng.modules.requirementsmanagement.gui;
+
+import javax.swing.table.AbstractTableModel;
+
+/**
+ * Model for the possible sub-requirements table, which also tells whether a
+ * requirement can be attached as a child of this requirement, and vice versa
+ *
+ * @author vpatara
+ * @author Josh
+ * @author Tim C
+ * @author James
+ * @author Jacob Palnick
+ */
+
+@SuppressWarnings("serial")
+public class ViewPossibleSubReqTable extends AbstractTableModel {
+
+	public static final int ID = 0;
+	public static final int NAME = 1;
+	public static final int DESCRIPTION = 2;
+	public static final int ITERATION = 3;
+	public static final int STATUS = 4;
+	public static final int PRIORITY = 5;
+	public static final int ESTIMATE = 6;
+	public static final int THIS_AS_CHILD = 7;
+	public static final int THIS_AS_PARENT = 8;
+
+	/** name of the columns */
+	private String[] columnNames = { "ID", "Name", "Description", "Iteration",
+			"Status", "Priority", "Estimate", "C", "P" };
+	//first list is row, second list is column data
+
+	/** data in each cell*/
+	private Object[][] data = {};
+
+	/**
+	 * get the number of columns
+	 *
+	 * @return the number of columns
+	 */
+	public int getColumnCount() {
+		return columnNames.length;
+	}
+
+	/**
+	 * get the number of rows
+	 *
+	 * @return the number of rows
+	 */
+	public int getRowCount() {
+		return data.length;
+	}
+
+	/**
+	 * get the name of a specified column
+	 *
+	 * @param col the column number
+	 * @return the name of the column
+	 */
+	public String getColumnName(int col) {
+		return columnNames[col];
+	}
+
+	/**
+	 * get the object in a cell
+	 *
+	 * @param row the row of the cell
+	 * @param col the column of the cell
+	 * @return the object at the cell
+	 */
+	public Object getValueAt(int row, int col) {
+		return data[row][col];
+	}
+
+	/**
+	 * get the type of class in a column
+	 *
+	 * @param c the column number
+	 * @return the kind of class in the column
+	 */
+	public Class<?> getColumnClass(int c) {
+		return getValueAt(0, c).getClass();
+	}
+
+	/**
+	 * see if a cell is editable, true if it is, false if it is not
+	 *
+	 * @param row the row of the cell
+	 * @param col the column of the cell
+	 * @return true if the cell is editable, false otherwise
+	 */
+	public boolean isCellEditable(int row, int col) {
+		return false;
+	}
+
+	/**
+	 * set the value at a cell
+	 *
+	 * @param value the value to set the cell
+	 * @param row the row of the cell
+	 * @param col the column of the cell
+	 */
+	public void setValueAt(Object value, int row, int col) {
+		data[row][col] = value;
+		fireTableCellUpdated(row, col);
+	}
+
+	/**
+	 * set data
+	 *
+	 * @param data the data to set
+	 */
+	public void setData(Object[][] data){
+		this.data = data;
+	}
+
+	/**
+	 * Returns the data representation
+	 *
+	 * @return data
+	 */
+	public Object[][] getData() {
+		return data;
+	}
+}