asignationeditor.java

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/**
 *   Copyright 2004 Carlos Silva A.
 * 
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License. 
 *   You may obtain a copy of the License at  
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 * 
 */
package jgantt.view.dialogs;

import java.awt.BorderLayout;
import java.awt.Window;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Iterator;
import java.util.Vector;

import javax.swing.JButton;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.event.TableModelEvent;
import javax.swing.event.TableModelListener;
import javax.swing.table.TableModel;

import jgantt.Messages;
import jgantt.model.Resource;
import jgantt.model.Task;
import jgantt.view.adapters.ProjectViewModel;
import jgantt.view.adapters.ProjectViewModelChange;
import jgantt.view.adapters.ProjectViewModelListener;

/**
 * Resources
 * 
 * <p>$Date: 2004/04/24 06:44:25 $</p> 
 * @version $Revision: 1.10 $
 * @author Carlos Silva
 */
public class AsignationEditor extends JPanel implements ActionListener, ProjectViewModelListener {
	/**
	 * 
	 */
	private static final long serialVersionUID = 3257002172494263609L;
	JTable jtable;
	ResourceModel resModel;
	String CMD_CLOSE = "Close";
	String CMD_DELETE = "Delete resource";
	String CMD_ADD = "Add resource";

	Window mainWindow = null;
	Task task;
	ProjectViewModel pvModel;
	AsignationEditor asignationEditor = this;
	/**
	 * Constructor for TaskEditor
	 */
	public AsignationEditor(Window parent, ProjectViewModel model, Task t) {
		super();
		mainWindow = parent;
		pvModel = model;
		this.task = t;
		model.addListener(this);
		Object o = this;
		if (parent != null)
			new RemoveObservers(parent, pvModel, this, null);
		resModel = new ResourceModel(model, task);
		jtable = new JTable(resModel);
		JScrollPane js = new JScrollPane(jtable);
		jtable.getColumnModel().getColumn(0).setMinWidth(20);
		jtable.getColumnModel().getColumn(1).setMinWidth(50);
		jtable.getColumnModel().getColumn(2).setMinWidth(70);
		jtable.getColumnModel().getColumn(3).setMinWidth(50);

		jtable.getColumnModel().getColumn(0).setMaxWidth(30);
		jtable.getColumnModel().getColumn(1).setMaxWidth(70);
		jtable.getColumnModel().getColumn(3).setMaxWidth(70);

		JPanel buttons = new JPanel();
		JButton jb = new JButton(CMD_ADD);
		jb.addActionListener(this);
		buttons.add(jb);
		jb = new JButton(CMD_DELETE);
		jb.addActionListener(this);
		buttons.add(jb);

		if (mainWindow != null) {
			jb = new JButton(CMD_CLOSE);
			jb.addActionListener(this);
			buttons.add(jb);
		}

		setLayout(new BorderLayout());
		add(js, BorderLayout.CENTER);
		add(buttons, BorderLayout.NORTH);

	}

	/**
	 * Eventos de botones
	 */
	public void actionPerformed(ActionEvent ev) {
		String cmd = ev.getActionCommand();
		if (cmd.equals(CMD_ADD)) {
			new Resource(resModel.pvm.getProject());
			resModel.fireTableChanged();
		} else if (cmd.equals(CMD_DELETE)) {
			int row = jtable.getSelectedRow();
			Resource res = (Resource) resModel.pvm.getProject().getResources().get(row);
			res.remove();
			resModel.fireTableChanged();												
		} else if (cmd.equals(CMD_CLOSE)) {
			pvModel.removeListener(this);
			mainWindow.dispose();
		}

	}

	static class ResourceModel implements TableModel {
		String cn[] =
			{
				Messages.getString("ResourcesTable.col.id"),
				Messages.getString("ResourcesTable.col.initials"),
				Messages.getString("ResourcesTable.col.name"),
				Messages.getString("ResourcesTable.col.units")};
		ProjectViewModel pvm;
		Task task;

		public ResourceModel(ProjectViewModel model, Task t) {
			pvm = model;
			Vector v = model.getProject().getResources();
			task = t;
		}

		Vector listeners = new Vector();
		public void addTableModelListener(TableModelListener listener) {
			listeners.add(listener);
		}
		public void fireTableChanged() {
			for (Iterator i = listeners.iterator(); i.hasNext();) {
				TableModelListener listener = (TableModelListener) i.next();
				TableModelEvent ev = new TableModelEvent(this);
				listener.tableChanged(ev);
			}
		}

		public Class getColumnClass(int i) {
			return String.class;
		}
		public int getColumnCount() {
			return cn.length;
		}
		public String getColumnName(int c) {
			return cn[c];
		}
		public int getRowCount() {
			return pvm.getProject().getResources().size();
		}
		public Object getValueAt(int i, int j) {
			Resource r = (Resource) pvm.getProject().getResources().get(i);
			switch (j) {
				case 0 :
					return String.valueOf(r.getId());
				case 1 :
					return r.getInitials();
				case 2 :
					return r.getName();
				case 3 :
					return String.valueOf(task.getAsignationUnits(r));
			}
			return null;
		}
		public boolean isCellEditable(int i, int j) {
			return j > 0;

		}
		public void removeTableModelListener(TableModelListener listener) {
			listeners.remove(listener);
		}
		public void setValueAt(Object val, int i, int j) {
			String value = (String) val;
			Resource r = (Resource) pvm.getProject().getResources().get(i);
			switch (j) {
				case 1 :
					r.setInitials(value);
					break;
				case 2 :
					r.setName(value);
					break;
				case 3 :
					task.addResource(r, Integer.parseInt(value));
					break;
			}
		}
		public void setTask(Task task) {
			this.task = task;
			fireTableChanged();
		}
	}

	/** 
	 * Eventos del modelo
	 * @see jgantt.view.adapters.ProjectViewModelListener#projectChanged(jgantt.view.adapters.ProjectViewModelChange)
	 */
	public void viewModelChanged(ProjectViewModelChange c) {
		resModel.setTask(c.getProjectViewModel().getCurrentTask());
	}

}