fileattachviewpanel.java

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	/* CRMS, customer relationship management system
	Copyright (C) 2003  Service To Youth Council

	This program is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 2 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program; if not, write to the Free Software
	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

	For further information contact the SYC ICT department on [e-mail]
	98 Kermode Street
	North Adelaide
	South Australia
	SA 5006 
	[phone]
	*/
/*
 * CallViewPanel.java
 *
 * Created on 27 March 2003, 00:11
 */

package crms.applet;

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.border.*;
import javax.swing.event.*;
import javax.swing.table.*;
import java.util.*;
import crms.vo.*;
import crms.ui.*;
import crms.module.*;
import crms.util.*;
import java.text.*;
import java.beans.*;
import java.io.*;
import java.text.*;
import java.applet.*;
import java.net.*;

/**
 *
 * @author  dmurphy
 */
public class FileAttachViewPanel extends CRMSPanel {
	
	JPanel titlePanel = new JPanel();
	CRMSPanel bodyPanel = CRMSPanel.getEmptyPanel();

	
	AttachmentTableModel tableModel = new AttachmentTableModel();
	JTable attachTable = new JTable(tableModel);
	JScrollPane scrollPane = new JScrollPane(attachTable);
	
	JLabel headingLabel = new JLabel();
	
	public static SimpleDateFormat df = new SimpleDateFormat("EEEE, d MMMM, yyyy");
	public static SimpleDateFormat tf = new SimpleDateFormat("h:mm a");

	JButton buttonAdd = new JButton("Attach File");
	JButton buttonClose = new JButton("Close");
	JButton buttonDownload = new JButton("Download");
	JButton buttonDelete = new JButton("Delete");
	
	JPanel buttonPanel = new JPanel();

	EntityType attachType = null;
	int refID = -1;
	
	Permission entityPermission = null;
	CallbackDestination destination = null;
	boolean readonly = false;

	public FileAttachViewPanel() {
	}	

	/** Creates a new instance of CallViewPanel */
	public void setReference(EntityType type, int refID) {
		this.attachType = type;
		this.refID = refID;
	}
	public void setDestination(CallbackDestination new_dest) {
		destination = new_dest;
	}
	public void setReadonly(boolean new_read) {
		readonly = new_read;

		buttonAdd.setVisible(!readonly);
		buttonDelete.setVisible(!readonly);
	}

	
	public void init() {
		final Object thisobj = this;
		setLayout(new BorderLayout());
		setBackground(Color.WHITE);
/*
		headingLabel.setFont(new java.awt.Font("Serif", 1, 18));
		headingLabel.setBackground(Color.WHITE);
		
		titlePanel.add(headingLabel);
		titlePanel.setBackground(Color.WHITE);
		add(titlePanel, BorderLayout.NORTH);
*/		

		buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
		buttonPanel.setBackground(Color.WHITE);
		buttonPanel.add(buttonAdd);
		buttonPanel.add(buttonDownload);
		buttonPanel.add(buttonDelete);
		buttonPanel.add(buttonClose);
		
		buttonAdd.addActionListener( new ActionListener() {
		   public void actionPerformed(ActionEvent ev) {
			   //PanelManager.getInstance().activatePanel(new FileAttachPanel(attachType, Integer.parseInt(refID), entityPermission));
				FileAttachAddWindow window = new FileAttachAddWindow();
				window.setReference(attachType, refID);
				window.setDestination(destination);
				window.display();
		   }
		});
		
		buttonClose.addActionListener( new ActionListener() {
		   public void actionPerformed(ActionEvent ev) {
				if (destination != null) destination.callback(thisobj, CRMSComponent.CB_CLOSE_WINDOW, null);
/*
				CRMSPanel panel = null;
				if (attachType == EntityType.COMPANY) {
				JOptionPane.showMessageDialog(bodyPanel, "BROKEN, please fix");

				   //panel = new CompanyEditPanel(CompanyEditPanel.PANEL_TYPE_EDIT,  Integer.parseInt(refID));
				}
				else if (attachType == EntityType.CONTACT) {
				   panel = new ContactEditPanel(refID, null);
				}
				else if (attachType == EntityType.CALL) {
				   panel = new CallEditPanel(refID);
				} else if (attachType == EntityType.REMINDER) {
					panel = new ReminderEditPanel(Integer.parseInt(refID));	
				}
				PanelManager.getInstance().activatePanel(panel);
*/
		   }
		});
		
		buttonDownload.addActionListener( new ActionListener() {
		   public void actionPerformed(ActionEvent ev) {
			if (attachTable.getSelectedRowCount() == 1) {
				doDownload();
			}
		   }
		});

		buttonDelete.addActionListener( new ActionListener() {
		   public void actionPerformed(ActionEvent ev) {
			if (attachTable.getSelectedRowCount() == 1) {
				doDelete();
			}
		   }
		});

		attachTable.addMouseListener(new MouseAdapter() {
			public void mouseClicked(MouseEvent me) {
				if (me.getClickCount() == 2 && attachTable.getSelectedRowCount() == 1) {
					doDownload();
				}
			}
		} );
		
		scrollPane.getViewport().setBackground(Color.WHITE);
		
		bodyPanel.setLayout(new BorderLayout());
		bodyPanel.setBackground(Color.WHITE);
		bodyPanel.setBorder(new EmptyBorder(0,20,0,20));
		
		bodyPanel.add(scrollPane, BorderLayout.CENTER);
		
		add(bodyPanel, BorderLayout.CENTER);
		add(buttonPanel, BorderLayout.SOUTH);
		
		setCurrentPanel(bodyPanel);
		
		refreshData();
	}
	
	public void doDelete() {
		int selected = attachTable.getSelectedRow();
		if (selected < 0) {
			JOptionPane.showMessageDialog(this, "Please select a file to delete.", "File Deletion", JOptionPane.INFORMATION_MESSAGE);
			return;
		}

		FileAttachment attach = tableModel.getAttachment(selected);

		int confirm = JOptionPane.showConfirmDialog(this, "Are you sure you wish to delete the file '" + attach.getLocation() + "' by " + attach.getAttachedBy() + "?",
				"Delete Attachment", JOptionPane.YES_NO_OPTION);

		if (confirm != JOptionPane.YES_OPTION) {
			return;
		}

		setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));

		Server server = ServerFactory.getInstance().getServer();
		ServerCommand command = new ServerCommand(FileAttachmentModule.COMMAND_DELETE_ATTACHMENT);

		command.setParameter(FileAttachmentModule.PARAM_ATTACHMENT, attach);

		ServerResponse sr = server.sendCommand(command);
		if (sr != null && sr.getPart("fail") != null) {
			JOptionPane.showMessageDialog(this, "File was unable to be deleted, please contact your System Adminstrator", "File Deletion", JOptionPane.ERROR_MESSAGE);
		}

		refreshData();

		setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
	}
	
	public void doDownload() {
		PanelManager manager = PanelManager.getInstance();
		AppletContext context = manager.getAppletContext();
		int selected = attachTable.getSelectedRow();

		if (context == null) {
			JOptionPane.showMessageDialog(this, "File downloads can only be performed from an applet context.", "File Download", JOptionPane.INFORMATION_MESSAGE);
			return;
		} else if (selected < 0) {
			JOptionPane.showMessageDialog(this, "Please select a file to download.", "File Download", JOptionPane.INFORMATION_MESSAGE);
			return;
		}

		URL url = manager.getCodeBase();
		URL toURL = null;
		
		FileAttachment attach = tableModel.getAttachment(selected);
		
		try {
			StringBuffer urlString = new StringBuffer();
			urlString.append("http://");
			urlString.append(url.getHost());
			urlString.append(":");
			urlString.append(url.getPort());
			urlString.append("/crms/filedownload");
			urlString.append("?user=user");
			urlString.append("&type=" + attach.getAttachmentType().getCode());
			urlString.append("&id=" + attach.getAttachmentID());
			
			toURL = new URL(urlString.toString());

			System.out.println(toURL);
		}
		catch (MalformedURLException ex) {
			ex.printStackTrace();
		}
		
		context.showDocument(toURL);
	}
	
	public void refreshData() {
		
		Server server = ServerFactory.getInstance().getServer();
		
		ServerCommand command = new ServerCommand(FileAttachmentModule.COMMAND_GET_ATTACHMENTS);
		command.setParameter(FileAttachmentModule.PARAM_TYPE, attachType.getCode());
		command.setParameter(FileAttachmentModule.PARAM_REF_ID, Integer.toString(refID));
		
		ServerResponse response = server.sendCommand(command);
		
		ArrayList attachments = (ArrayList) response.getPart("attachments");
		tableModel.setAttachments(attachments);
		
		attachTable.setModel(tableModel);
		CRMSUtil.resizeTable(attachTable);
		
		
	}
	
	public class AttachmentTableModel extends DefaultTableModel  {
		
		ArrayList attachments = new ArrayList();
		
		String[] headings = {
			"File Name",
			"Attached By",
			"Description"
		};
		
		
		public int getColumnCount() {
			return headings.length;
		}
		
		public int getRowCount() {
			if (attachments != null) {
				return attachments.size();
			}
			return 0;
		}

		public boolean isCellEditable(int rowIndex, int columnIndex) {
			return false;
		}
		
		public String getColumnName(int column) {
			return headings[column];
		}

		public void setValueAt(Object aValue, int rowIndex, int columnIndex) {
			// read only
		}
		
		public Object getValueAt(int row, int column) {
			FileAttachment attach = (FileAttachment) attachments.get(row);
			
			switch(column) {
				case 0:
					return attach.getLocation();
				case 1:
					return attach.getAttachedBy();
				case 2:
					return attach.getDescription();
				default:
					return null;
			}
		}
		
		public void addAttachment(FileAttachment attach) {
			attachments.add(attach);
		}
		
		public void setAttachments(ArrayList attachments) {
			this.attachments = attachments;
		}
		
		public FileAttachment getAttachment(int i) {
			return (FileAttachment) attachments.get(i);
		}
	}
	
}