[9018] | 1 | /**
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| 2 | *#########################################################################
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| 3 | *
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| 4 | * A component of the Gatherer application, part of the Greenstone digital
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| 5 | * library suite from the New Zealand Digital Library Project at the
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| 6 | * University of Waikato, New Zealand.
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| 7 | *
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| 8 | * <BR><BR>
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| 9 | *
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| 10 | * Author: John Thompson, Greenstone Digital Library, University of Waikato
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| 11 | *
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| 12 | * <BR><BR>
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| 13 | *
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| 14 | * Copyright (C) 1999 New Zealand Digital Library Project
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| 15 | *
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| 16 | * <BR><BR>
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| 17 | *
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| 18 | * This program is free software; you can redistribute it and/or modify
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| 19 | * it under the terms of the GNU General Public License as published by
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| 20 | * the Free Software Foundation; either version 2 of the License, or
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| 21 | * (at your option) any later version.
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| 22 | *
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| 23 | * <BR><BR>
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| 24 | *
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| 25 | * This program is distributed in the hope that it will be useful,
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| 26 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 27 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 28 | * GNU General Public License for more details.
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| 29 | *
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| 30 | * <BR><BR>
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| 31 | *
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| 32 | * You should have received a copy of the GNU General Public License
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| 33 | * along with this program; if not, write to the Free Software
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| 34 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 35 | *########################################################################
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| 36 | */
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| 37 | package org.greenstone.gatherer.gui;
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| 38 |
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| 39 | import java.awt.*;
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| 40 | import java.awt.event.*;
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| 41 | import java.io.*;
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| 42 | import java.net.*;
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| 43 | import javax.swing.*;
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| 44 | import javax.swing.event.*;
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| 45 | import org.greenstone.gatherer.Configuration;
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| 46 | import org.greenstone.gatherer.DebugStream;
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| 47 | import org.greenstone.gatherer.Dictionary;
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| 48 | import org.greenstone.gatherer.Gatherer;
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| 49 | import org.greenstone.gatherer.collection.BasicCollectionConfiguration;
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[13586] | 50 | import org.greenstone.gatherer.collection.CollectionManager;
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[9018] | 51 | import org.greenstone.gatherer.file.WorkspaceTree; // !!! Don't like this here
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| 52 | import org.greenstone.gatherer.util.ArrayTools;
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| 53 | import org.greenstone.gatherer.util.StaticStrings;
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| 54 | import org.greenstone.gatherer.util.Utility;
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| 55 |
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| 56 | /** This class provides the functionality to delete current collections from the GSDLHOME/collect/ directory. The user chooses the collection from a list, where each entry also displays details about itself, confirms the delete of a collection by checking a checkbox then presses the ok button to actually delete the collection.
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| 57 | * @author John Thompson, Greenstone Digital Library, University of Waikato
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| 58 | * @version 2.3
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| 59 | */
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| 60 | public class DeleteCollectionPrompt
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| 61 | extends ModalDialog {
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| 62 | /** The currently selected collection for deletion. */
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| 63 | private BasicCollectionConfiguration collection = null;
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| 64 | /** The model behind the list. */
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| 65 | private DefaultListModel list_model = null;
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| 66 | /** A reference to ourself so any inner-classes can dispose of us. */
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| 67 | private DeleteCollectionPrompt prompt = null;
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| 68 | /** The close button, which exits the prompt without deleting anything. */
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| 69 | private JButton close_button = null;
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| 70 | /** The ok button which causes the selected collection to be deleted. */
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| 71 | private JButton ok_button = null;
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| 72 | /** The confirmation check box. */
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| 73 | private JCheckBox confirmation = null;
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| 74 | /** The label above details. */
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| 75 | private JLabel details_label = null;
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| 76 | /** The label above the list. */
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| 77 | private JLabel list_label = null;
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| 78 | /** The list of available collections. */
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| 79 | private JList list = null;
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| 80 | /** The text area used to display details about the collection selected. */
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| 81 | private JTextArea details = null;
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| 82 | /** A string array used to pass arguments to the phrase retrieval method. */
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| 83 | private String args[] = null;
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| 84 |
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| 85 | private boolean current_coll_deleted = false;
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| 86 | /** The size of the delete prompt screen. */
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| 87 | public static final Dimension SIZE = new Dimension(500, 500);
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| 88 |
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| 89 | /** Constructor.
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| 90 | */
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| 91 | public DeleteCollectionPrompt() {
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| 92 | super(Gatherer.g_man);
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[12119] | 93 | close_button = new GLIButton(Dictionary.get("General.Close"), Dictionary.get("General.Close_Tooltip"));
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[18370] | 94 | this.setComponentOrientation(Dictionary.getOrientation());
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[12119] | 95 | confirmation = new JCheckBox(Dictionary.get("DeleteCollectionPrompt.Confirm_Delete"));
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[18370] | 96 | confirmation.setComponentOrientation(Dictionary.getOrientation());
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| 97 | details = new JTextArea(Dictionary.get("DeleteCollectionPrompt.No_Collection"));
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| 98 | details.setComponentOrientation(Dictionary.getOrientation());
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[9018] | 99 | details.setEditable(false);
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[12119] | 100 | details_label = new JLabel(Dictionary.get("DeleteCollectionPrompt.Collection_Details"));
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[18370] | 101 | details_label.setComponentOrientation(Dictionary.getOrientation());
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| 102 |
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[9018] | 103 | list = new JList();
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[18370] | 104 | list.setComponentOrientation(Dictionary.getOrientation());
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[12119] | 105 | list_label = new JLabel(Dictionary.get("DeleteCollectionPrompt.Collection_List"));
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[18370] | 106 | list_label.setComponentOrientation(Dictionary.getOrientation());
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| 107 |
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[9018] | 108 | list_model = new DefaultListModel();
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[12119] | 109 | ok_button = new GLIButton(Dictionary.get("DeleteCollectionPrompt.Delete"), Dictionary.get("DeleteCollectionPrompt.Delete_Tooltip"));
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| 110 |
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[9018] | 111 | prompt = this;
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| 112 | setModal(true);
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| 113 | setSize(SIZE);
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[18370] | 114 | setTitle(Dictionary.get("DeleteCollectionPrompt.Title"));
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| 115 |
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[12730] | 116 | setJMenuBar(new SimpleMenuBar("deletingcollections"));
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[9018] | 117 | close_button.addActionListener(new CloseButtonListener());
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| 118 | confirmation.addActionListener(new ConfirmationCheckBoxListener());
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| 119 | confirmation.setEnabled(false);
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| 120 | confirmation.setSelected(false);
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| 121 | list.addListSelectionListener(new CollectionListListener());
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| 122 | list.clearSelection();
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| 123 | list.getSelectionModel().setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
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| 124 | list.setModel(list_model);
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| 125 | ok_button.addActionListener(new OKButtonListener());
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| 126 | ok_button.setEnabled(false);
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| 127 | scanForCollections();
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[18370] | 128 |
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[9018] | 129 | }
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| 130 |
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| 131 | /** Destructor. */
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| 132 | public void destroy() {
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| 133 | list_model.clear();
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| 134 | list_model = null;
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| 135 | close_button = null;
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| 136 | confirmation = null;
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| 137 | details = null;
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| 138 | details_label = null;
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| 139 | list = null;
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| 140 | ok_button = null;
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| 141 | prompt = null;
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| 142 | }
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| 143 |
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| 144 | /** This method causes the modal prompt to be displayed.
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| 145 | * returns true if it has deleted the collection that is currently open */
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| 146 | public boolean display() {
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| 147 | // Central pane
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[18370] | 148 | JScrollPane scrol_tmp;
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[9018] | 149 | JPanel list_pane = new JPanel(new BorderLayout());
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[18370] | 150 | list_pane.setComponentOrientation(Dictionary.getOrientation());
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[9018] | 151 | list_pane.add(list_label, BorderLayout.NORTH);
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[18370] | 152 | scrol_tmp = new JScrollPane(list);
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| 153 | scrol_tmp.setComponentOrientation(Dictionary.getOrientation());
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| 154 | list_pane.add(scrol_tmp, BorderLayout.CENTER);
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[9018] | 155 | list_pane.setBorder(BorderFactory.createEmptyBorder(0, 0, 5, 0));
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| 156 |
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| 157 | JPanel details_pane = new JPanel(new BorderLayout());
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[18370] | 158 | details_pane.setComponentOrientation(Dictionary.getOrientation());
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[9018] | 159 | details_pane.add(details_label, BorderLayout.NORTH);
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[18370] | 160 | scrol_tmp = new JScrollPane(details);
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| 161 | scrol_tmp.setComponentOrientation(Dictionary.getOrientation());
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| 162 | details_pane.add(scrol_tmp, BorderLayout.CENTER);
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[9018] | 163 | details_pane.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 0));
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| 164 |
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| 165 | JPanel central_pane = new JPanel(new GridLayout(2, 1));
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[18370] | 166 | central_pane.setComponentOrientation(Dictionary.getOrientation());
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[9018] | 167 | central_pane.add(list_pane);
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| 168 | central_pane.add(details_pane);
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| 169 | central_pane.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
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| 170 |
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| 171 | // Lower pane
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| 172 | JPanel confirmation_pane = new JPanel(new BorderLayout());
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[18370] | 173 | confirmation_pane.setComponentOrientation(Dictionary.getOrientation());
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[9018] | 174 | confirmation_pane.add(confirmation, BorderLayout.CENTER);
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| 175 | confirmation_pane.setBorder(BorderFactory.createEmptyBorder(0,0,5,0));
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| 176 |
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| 177 | JPanel button_pane = new JPanel(new GridLayout(1, 2));
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[18370] | 178 | button_pane.setComponentOrientation(Dictionary.getOrientation());
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[9018] | 179 | button_pane.add(ok_button);
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| 180 | button_pane.add(close_button);
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| 181 | button_pane.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 0));
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| 182 |
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| 183 | JPanel lower_pane = new JPanel(new BorderLayout());
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[18370] | 184 | lower_pane.setComponentOrientation(Dictionary.getOrientation());
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[9018] | 185 | lower_pane.add(confirmation_pane, BorderLayout.NORTH);
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| 186 | lower_pane.add(button_pane, BorderLayout.SOUTH);
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| 187 | lower_pane.setBorder(BorderFactory.createEmptyBorder(0, 5, 5, 5));
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| 188 |
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| 189 | // Final.
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| 190 | JPanel content_pane = (JPanel)this.getContentPane();
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[18370] | 191 | content_pane.setComponentOrientation(Dictionary.getOrientation());
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[9018] | 192 | content_pane.setLayout(new BorderLayout());
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| 193 | content_pane.add(central_pane, BorderLayout.CENTER);
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| 194 | content_pane.add(lower_pane, BorderLayout.SOUTH);
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| 195 |
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| 196 | // Center and display.
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| 197 | Dimension screen_size = Configuration.screen_size;
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| 198 | this.setLocation((screen_size.width - SIZE.width) / 2, (screen_size.height - SIZE.height) / 2);
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| 199 | this.setVisible(true); // blocks until the dialog is killed
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| 200 | return current_coll_deleted;
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| 201 | }
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| 202 |
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[9863] | 203 |
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[9018] | 204 | /** Shows a delete complete prompt.
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| 205 | * @param success A <strong>boolean</strong> indicating if the collection was successfully deleted.
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| 206 | * @see org.greenstone.gatherer.collection.Collection
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| 207 | */
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| 208 | public void resultPrompt(boolean success) {
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| 209 | args = new String[1];
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| 210 | args[0] = collection.getName();
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| 211 | if (success) {
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| 212 | JOptionPane.showMessageDialog(prompt,Dictionary.get("DeleteCollectionPrompt.Successful_Delete", args),Dictionary.get("DeleteCollectionPrompt.Successful_Title"),JOptionPane.INFORMATION_MESSAGE);
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| 213 | }
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| 214 | else {
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| 215 | JOptionPane.showMessageDialog(prompt,Dictionary.get("DeleteCollectionPrompt.Failed_Delete", args),Dictionary.get("DeleteCollectionPrompt.Failed_Title"),JOptionPane.WARNING_MESSAGE);
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| 216 | }
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| 217 | }
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| 218 |
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| 219 | /** Method to scan the collect directory retrieving and reloading each collection it finds, while building the list of known collections.
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| 220 | * @see org.greenstone.gatherer.Configuration
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| 221 | * @see org.greenstone.gatherer.Gatherer
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| 222 | * @see org.greenstone.gatherer.util.ArrayTools
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| 223 | * @see org.greenstone.gatherer.util.Utility
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| 224 | */
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| 225 | private void scanForCollections() {
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| 226 | // Start at the collect dir.
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[9045] | 227 | File collect_directory = new File(Gatherer.getCollectDirectoryPath());
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| 228 | if (collect_directory.exists()) {
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[19272] | 229 | loadCollectionConfigs(collect_directory);
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[9018] | 230 | }
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| 231 | }
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| 232 |
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[19272] | 233 | private void loadCollectionConfigs(File directory) {
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| 234 | // For each child directory see if it contains an
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| 235 | // etc/collect.cfg file and if so try to load it..
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| 236 | File collections[] = directory.listFiles();
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| 237 | String file_name = (Gatherer.GS3)? Utility.CONFIG_GS3_FILE : Utility.CONFIG_FILE;
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| 238 | ArrayTools.sort(collections);
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| 239 | for(int i = 0; collections != null && i < collections.length; i++) {
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| 240 | if(collections[i].isDirectory() && !collections[i].getName().equals(StaticStrings.MODEL_COLLECTION_NAME)) {
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| 241 | File config_file = new File(collections[i], file_name);
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| 242 | if (config_file.exists()) {
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| 243 | BasicCollectionConfiguration config = new BasicCollectionConfiguration(config_file);
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| 244 | if (config.getCollectGroup().equals("true")) {
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| 245 | loadCollectionConfigs(collections[i]);
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| 246 | } else {
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| 247 | list_model.addElement(config);
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| 248 | config = null;
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| 249 | }
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| 250 | }
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| 251 | }
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| 252 | }
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| 253 | }
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| 254 |
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| 255 |
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[9018] | 256 | /** A button listener implementation, which listens for actions on the close button and disposes of the dialog when detected. */
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| 257 | private class CloseButtonListener
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| 258 | implements ActionListener {
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| 259 | /** Any implementation of ActionListener must include this method so we can be informed when the button is actioned.
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| 260 | * @param event An <strong>ActionEvent</strong> containing all the relevant information garnered from the event itself.
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| 261 | */
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| 262 | public void actionPerformed(ActionEvent event) {
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| 263 | // Done
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| 264 | prompt.dispose();
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| 265 | }
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| 266 | }
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| 267 |
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| 268 | /** This private class listens for selection events in from the list and then displays the appropriate details for that collection.
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| 269 | */
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| 270 | private class CollectionListListener
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| 271 | implements ListSelectionListener {
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| 272 | /** Any implementation of ListSelectionListener must include this method so we can be informed when the list selection changes.
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| 273 | * @param event a <strong>ListSelectionEvent</strong> containing all the relevant information garnered from the event itself
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| 274 | */
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| 275 | public void valueChanged(ListSelectionEvent event) {
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| 276 | ok_button.setEnabled(false);
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| 277 | confirmation.setSelected(false);
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| 278 | if(!list.isSelectionEmpty()) {
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| 279 | collection = (BasicCollectionConfiguration) list.getSelectedValue();
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[15156] | 280 |
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| 281 | String currentColName = (Gatherer.c_man.getCollection() == null) ? "" : Gatherer.c_man.getCollection().getName();
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| 282 | if(!collection.getShortName().equals(currentColName)) {
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| 283 | // the selected collection can only be deleted if it is NOT the collection that is currently open
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| 284 | confirmation.setEnabled(true);
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| 285 | confirmation.setToolTipText(null); // no tooltip
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| 286 | ok_button.setToolTipText(null);
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| 287 |
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| 288 | args = new String[3];
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| 289 | args[0] = collection.getCreator();
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| 290 | args[1] = collection.getMaintainer();
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| 291 | args[2] = collection.getDescription();
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| 292 | details.setText(Dictionary.get("DeleteCollectionPrompt.Details", args));
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| 293 | details.setCaretPosition(0);
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| 294 | } else { // trying to delete the collection that is open at present
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| 295 | // add a tooltip saying to the confirmation checkbox saying that the current collection can't be deleted
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| 296 | String tooltip = Dictionary.get("DeleteCollectionPrompt.Cannot_Delete_Open_Collection_Tooltip",
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| 297 | collection.getName());
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| 298 | confirmation.setToolTipText(tooltip);
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| 299 | ok_button.setToolTipText(tooltip);
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| 300 | // delete/ok button and confirmation checkbox should be disabled
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| 301 | ok_button.setEnabled(false);
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| 302 | confirmation.setEnabled(false);
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| 303 | confirmation.setSelected(false);
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| 304 | }
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[9018] | 305 | }
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| 306 | else {
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| 307 | confirmation.setEnabled(false);
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[12119] | 308 | details.setText(Dictionary.get("DeleteCollectionPrompt.No_Collection"));
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[9018] | 309 | }
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| 310 | }
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| 311 | }
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| 312 |
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| 313 | /** A check box listener so we can tell if the user has confirmed the deletion */
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| 314 | private class ConfirmationCheckBoxListener
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| 315 | implements ActionListener {
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| 316 | /** Any implementation of ActionListener must include this method so we can be informed when the button is actioned.
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| 317 | * @param event An <strong>ActionEvent</strong> containing all the relevant information garnered from the event itself.
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| 318 | */
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| 319 | public void actionPerformed(ActionEvent event) {
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| 320 | // OK button is only enabled if the confirmation check box is ticked
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| 321 | ok_button.setEnabled(confirmation.isSelected());
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| 322 | }
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[9863] | 323 | }
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[9018] | 324 |
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| 325 | /** The OK button listener implementation. */
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| 326 | private class OKButtonListener
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| 327 | implements ActionListener {
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| 328 | /** Any implementation of ActionListener must include this method so we can be informed when the button is actioned.
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| 329 | * @param event An <strong>ActionEvent</strong> containing all the relevant information garnered from the event itself.
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| 330 | * @see org.greenstone.gatherer.Configuration
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| 331 | * @see org.greenstone.gatherer.Gatherer
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| 332 | * @see org.greenstone.gatherer.util.Utility
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| 333 | */
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[13584] | 334 | public void actionPerformed(ActionEvent event)
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| 335 | {
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[9018] | 336 | // Delete the selected collection.
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| 337 | if (Gatherer.c_man.deleteCollection(collection.getShortName())) {
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| 338 | // Refresh the collections shown in the workspace tree
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| 339 | Gatherer.g_man.refreshWorkspaceTree(WorkspaceTree.LIBRARY_CONTENTS_CHANGED);
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| 340 |
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[14045] | 341 | if (collection.getShortName().equals(CollectionManager.getLoadedCollectionName())) {
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| 342 | current_coll_deleted = true;
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| 343 | }
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[9018] | 344 | list_model.removeElement(collection);
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| 345 |
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[26402] | 346 | if (!Configuration.fedora_info.isActive()) { // for fedora collections, delete in background
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| 347 | resultPrompt(true);
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| 348 | }
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[12119] | 349 | details.setText(Dictionary.get("DeleteCollectionPrompt.No_Collection"));
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[9018] | 350 | confirmation.setEnabled(false);
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| 351 | confirmation.setSelected(false);
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| 352 | ok_button.setEnabled(false);
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| 353 | collection = null;
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| 354 | }
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| 355 | else {
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| 356 | resultPrompt(false);
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| 357 | }
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| 358 | }
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| 359 | }
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| 360 | }
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