[33053] | 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 | * Author: Katherine Don, Greenstone Digital Library, University of Waikato
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| 9 | *
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| 10 | * Copyright (C) 2006 New Zealand Digital Library Project
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or modify
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| 13 | * it under the terms of the GNU General Public License as published by
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| 14 | * the Free Software Foundation; either version 2 of the License, or
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| 15 | * (at your option) any later version.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful,
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| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 20 | * GNU General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, write to the Free Software
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| 24 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 25 | *########################################################################
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| 26 | */
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| 27 | package org.greenstone.gatherer.cdm;
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| 28 |
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| 29 | import java.awt.*;
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| 30 | import java.awt.event.*;
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| 31 | import java.util.*;
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| 32 | import javax.swing.*;
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| 33 | import javax.swing.event.*;
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| 34 | import javax.swing.undo.*;
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| 35 | import java.io.File;
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| 36 | import java.io.FileInputStream;
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| 37 | import java.io.FileOutputStream;
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| 38 | import java.io.BufferedReader;
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| 39 | import java.io.BufferedWriter;
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| 40 | import java.io.InputStreamReader;
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| 41 | import java.io.OutputStreamWriter;
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| 42 |
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| 43 | import org.greenstone.gatherer.Configuration;
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| 44 | import org.greenstone.gatherer.DebugStream;
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| 45 | import org.greenstone.gatherer.Dictionary;
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| 46 | import org.greenstone.gatherer.Gatherer;
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| 47 | import org.greenstone.gatherer.collection.CollectionManager;
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| 48 | import org.greenstone.gatherer.gui.DesignPaneHeader;
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| 49 | import org.greenstone.gatherer.gui.GLIButton;
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| 50 | import org.greenstone.gatherer.remote.RemoteGreenstoneServer;
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| 51 |
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| 52 |
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| 53 | public class MacrosManager {
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| 54 |
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| 55 | /** The controls used to modify the general options. */
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| 56 | private Control controls;
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| 57 | /** Constructor. */
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| 58 | public MacrosManager() {
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| 59 | }
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| 60 |
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| 61 |
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| 62 | /** Destructor. */
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| 63 | public void destroy() {
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| 64 | if (controls != null) {
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| 65 | controls.destroy();
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| 66 | controls = null;
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| 67 | }
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| 68 | }
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| 69 |
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| 70 | public void loseFocus() {
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| 71 | }
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| 72 |
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| 73 | public void gainFocus() {
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| 74 |
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| 75 | }
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| 76 | /** This class is resposible for generating the controls for the editing of general options.
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| 77 | * @return the Control for editing the general options
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| 78 | */
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| 79 | public Control getControls() {
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| 80 | if (controls == null) {
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| 81 | controls = new MacrosControl();
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| 82 | }
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| 83 | return controls;
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| 84 | }
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| 85 |
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| 86 |
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| 87 | /** Called when the detail mode has changed which in turn may cause several design elements to be available/hidden
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| 88 | * @param mode the new mode as an int
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| 89 | */
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| 90 | public void modeChanged(int mode) {
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| 91 |
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| 92 | }
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| 93 |
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| 94 |
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| 95 | private class MacrosControl
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| 96 | extends JPanel
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| 97 | implements Control, WindowFocusListener {
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| 98 |
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| 99 | JTextArea macros_textarea = null;
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| 100 | JButton undo_button = null;
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| 101 | JButton redo_button = null;
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| 102 | private final UndoManager undo = new UndoManager();
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| 103 | private boolean macros_changed = false;
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| 104 | public MacrosControl() {
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| 105 | super();
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| 106 | this.setComponentOrientation(Dictionary.getOrientation());
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| 107 |
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| 108 | JPanel header_pane = new DesignPaneHeader("CDM.GUI.Macros", "collectionspecificmacros");
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| 109 | JPanel main_pane = new JPanel();
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| 110 | main_pane.setComponentOrientation(Dictionary.getOrientation());
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| 111 | main_pane.setLayout(new BorderLayout());
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| 112 | macros_textarea = new JTextArea();
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| 113 | macros_textarea.setComponentOrientation(Dictionary.getOrientation());
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| 114 | macros_textarea.setBackground(Configuration.getColor("coloring.editable_background", false));
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| 115 | macros_textarea.setLineWrap(false);
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| 116 | macros_textarea.setWrapStyleWord(false);
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| 117 | macros_textarea.setToolTipText(Dictionary.get("CDM.MacrosManager.Editor_Tooltip"));
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| 118 | readMacroFile(); // load in the original contents
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| 119 | macros_textarea.getDocument().addDocumentListener(new EditorListener());
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| 120 |
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| 121 | // Listen for undo and redo events
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| 122 | macros_textarea.getDocument().addUndoableEditListener(new UndoableEditListener() {
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| 123 | public void undoableEditHappened(UndoableEditEvent evt) {
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| 124 | undo.addEdit(evt.getEdit());
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| 125 | }
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| 126 | });
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| 127 | macros_textarea.setCaretPosition(0);
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| 128 |
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| 129 | JPanel macros_pane = new JPanel();
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| 130 | macros_pane.setComponentOrientation(Dictionary.getOrientation());
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| 131 | macros_pane.setBorder(BorderFactory.createEmptyBorder(5,0,5,0));
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| 132 | macros_pane.setLayout(new BorderLayout());
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| 133 | macros_pane.add(new JScrollPane(macros_textarea), BorderLayout.CENTER);
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| 134 | undo_button = new GLIButton(Dictionary.get("General.Undo"), Dictionary.get("General.Undo_Tooltip"));
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| 135 | undo_button.setEnabled(false);
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| 136 | undo_button.addActionListener(new UndoListener());
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| 137 |
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| 138 | redo_button = new GLIButton(Dictionary.get("General.Redo"), Dictionary.get("General.Redo_Tooltip"));
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| 139 | redo_button.setEnabled(false);
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| 140 | redo_button.addActionListener(new RedoListener());
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| 141 |
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| 142 | JPanel button_pane = new JPanel();
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| 143 | button_pane.setComponentOrientation(Dictionary.getOrientation());
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| 144 | button_pane.setLayout(new GridLayout(1,2));
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| 145 | button_pane.add(undo_button);
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| 146 | button_pane.add(redo_button);
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| 147 |
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| 148 | main_pane.add(macros_pane, BorderLayout.CENTER);
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| 149 | main_pane.add(button_pane, BorderLayout.SOUTH);
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| 150 |
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| 151 | setBorder(BorderFactory.createEmptyBorder(0,5,0,0));
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| 152 | setLayout(new BorderLayout());
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| 153 | add(header_pane, BorderLayout.NORTH);
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| 154 | add(main_pane, BorderLayout.CENTER);
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| 155 | Gatherer.g_man.addWindowFocusListener(this);
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| 156 | }
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| 157 |
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| 158 | public void destroy() {
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| 159 | }
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| 160 |
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| 161 | public void loseFocus() {
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| 162 | if (macros_changed) {
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| 163 | writeMacroFile();
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| 164 | macros_changed = false;
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| 165 | }
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| 166 | }
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| 167 |
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| 168 | public void gainFocus() {
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| 169 | macros_textarea.grabFocus();
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| 170 | }
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| 171 |
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| 172 | public void windowGainedFocus(WindowEvent e) {
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| 173 | }
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| 174 |
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| 175 | public void windowLostFocus(WindowEvent e) {
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| 176 | if (macros_changed) {
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| 177 | writeMacroFile();
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| 178 | macros_changed = false;
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| 179 | }
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| 180 | }
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| 181 |
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| 182 | private void readMacroFile() {
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| 183 | macros_textarea.setText("");
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| 184 | File extra_dm = new File(CollectionManager.getLoadedCollectionMacrosDirectoryPath() + "extra.dm");
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| 185 |
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| 186 | if (extra_dm.exists()) {
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| 187 | try {
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| 188 | BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(extra_dm), "UTF-8"));
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| 189 |
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| 190 | String line;
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| 191 | while ((line = br.readLine()) != null) {
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| 192 | macros_textarea.append(line+"\n");
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| 193 | }
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| 194 |
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| 195 | br.close();
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| 196 | }
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| 197 | catch (Exception exception) {
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| 198 | DebugStream.printStackTrace(exception);
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| 199 | }
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| 200 | }
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| 201 | }
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| 202 |
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| 203 | private void writeMacroFile() {
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| 204 | File extra_dm_file = new File(CollectionManager.getLoadedCollectionMacrosDirectoryPath() + "extra.dm");
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| 205 | try {
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| 206 | if (!extra_dm_file.exists()) {
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| 207 | File parent_dir = extra_dm_file.getParentFile();
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| 208 | parent_dir.mkdirs();
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| 209 | extra_dm_file.createNewFile();
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| 210 | }
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| 211 |
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| 212 | BufferedWriter out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(extra_dm_file), "UTF-8"));
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| 213 | String text = macros_textarea.getText();
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| 214 | out.write(text, 0, text.length());
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| 215 | out.newLine();
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| 216 | out.flush();
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| 217 | out.close();
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| 218 |
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| 219 | // If we're using a remote Greenstone server, upload the new extra.dm file
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| 220 | // This will return immediately, since we're on the event dispatch thread
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| 221 | // Users need to wait until the upload has finished before pressing Preview Collection!
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| 222 | if (Gatherer.isGsdlRemote) {
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| 223 | Gatherer.remoteGreenstoneServer.uploadCollectionFile(CollectionManager.getLoadedCollectionName(), extra_dm_file);
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| 224 | }
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| 225 | }
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| 226 | catch (Exception exception) {
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| 227 | DebugStream.printStackTrace(exception);
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| 228 | }
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| 229 | }
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| 230 |
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| 231 | private class EditorListener
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| 232 | implements DocumentListener {
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| 233 | public void changedUpdate(DocumentEvent e) {
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| 234 | macros_changed = true;
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| 235 | undo_button.setEnabled(true);
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| 236 | }
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| 237 |
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| 238 | public void insertUpdate(DocumentEvent e) {
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| 239 | macros_changed = true;
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| 240 | undo_button.setEnabled(true);
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| 241 | }
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| 242 |
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| 243 | public void removeUpdate(DocumentEvent e) {
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| 244 | macros_changed = true;
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| 245 | undo_button.setEnabled(true);
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| 246 | }
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| 247 |
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| 248 | }
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| 249 |
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| 250 | private class UndoListener
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| 251 | implements ActionListener {
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| 252 |
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| 253 | public void actionPerformed(ActionEvent event) {
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| 254 | try {
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| 255 | if (undo.canUndo()) {
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| 256 | int pos = macros_textarea.getCaretPosition();
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| 257 | undo.undo();
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| 258 | macros_textarea.setCaretPosition(pos-1);
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| 259 | macros_textarea.grabFocus();
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| 260 | redo_button.setEnabled(true);
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| 261 |
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| 262 | }
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| 263 | if (!undo.canUndo()){
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| 264 | undo_button.setEnabled(false);
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| 265 | }
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| 266 | else{
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| 267 | undo_button.setEnabled(true);
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| 268 | }
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| 269 | }
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| 270 | catch (Exception exception) {
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| 271 | DebugStream.printStackTrace(exception);
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| 272 | }
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| 273 | }
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| 274 | }
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| 275 |
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| 276 |
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| 277 | private class RedoListener
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| 278 | implements ActionListener {
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| 279 |
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| 280 | public void actionPerformed(ActionEvent evt) {
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| 281 | try {
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| 282 | if (undo.canRedo()) {
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| 283 | int pos = macros_textarea.getCaretPosition();
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| 284 | undo.redo();
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| 285 | macros_textarea.setCaretPosition(pos+1);
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| 286 | macros_textarea.grabFocus();
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| 287 | }
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| 288 | if (!undo.canRedo()){
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| 289 | redo_button.setEnabled(false);
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| 290 | }
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| 291 | else{
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| 292 | redo_button.setEnabled(true);
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| 293 | }
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| 294 | }
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| 295 | catch (Exception exception) {
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| 296 | DebugStream.printStackTrace(exception);
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| 297 | }
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| 298 | }
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| 299 | }
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| 300 | }
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| 301 | }
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