[97] | 1 | package com.framsticks.gui.console; |
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| 2 | |
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| 3 | import java.awt.AWTKeyStroke; |
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| 4 | import java.awt.BorderLayout; |
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| 5 | import java.awt.KeyboardFocusManager; |
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| 6 | import java.awt.event.ActionEvent; |
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| 7 | import java.awt.event.ActionListener; |
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| 8 | import java.awt.event.KeyEvent; |
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| 9 | import java.awt.event.KeyListener; |
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| 10 | import java.awt.event.WindowAdapter; |
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| 11 | import java.awt.event.WindowEvent; |
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| 12 | import java.awt.font.FontRenderContext; |
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| 13 | import java.util.Collections; |
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| 14 | import java.util.Iterator; |
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| 15 | import java.util.LinkedList; |
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| 16 | import java.util.List; |
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| 17 | import java.util.ListIterator; |
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| 18 | |
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| 19 | import javax.swing.AbstractAction; |
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| 20 | import javax.swing.BorderFactory; |
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| 21 | import javax.swing.Box; |
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| 22 | import javax.swing.BoxLayout; |
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| 23 | import javax.swing.JButton; |
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| 24 | import javax.swing.JMenuItem; |
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| 25 | import javax.swing.JPopupMenu; |
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| 26 | import javax.swing.JTextField; |
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| 27 | |
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| 28 | import com.framsticks.params.annotations.FramsClassAnnotation; |
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| 29 | import com.framsticks.util.FramsticksException; |
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| 30 | import com.framsticks.util.lang.Strings; |
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| 31 | |
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| 32 | @FramsClassAnnotation |
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| 33 | public abstract class InteractiveConsole extends Console { |
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| 34 | |
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| 35 | /** |
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| 36 | * Text field for typing commands. |
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| 37 | */ |
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| 38 | protected JTextField commandLine; |
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| 39 | protected JButton sendButton; |
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| 40 | |
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| 41 | protected final LinkedList<String> history = new LinkedList<>(); |
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| 42 | protected ListIterator<String> historyCursor; |
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| 43 | |
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| 44 | public void setCommandLine(String command) { |
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| 45 | commandLine.setText(command); |
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| 46 | } |
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| 47 | |
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| 48 | /** |
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| 49 | * @param connection |
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| 50 | */ |
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| 51 | public InteractiveConsole() { |
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| 52 | } |
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| 53 | |
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| 54 | @Override |
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| 55 | protected void initializeGui() { |
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| 56 | super.initializeGui(); |
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| 57 | |
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| 58 | commandLine = new JTextField(); |
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| 59 | |
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| 60 | commandLine.addKeyListener(new KeyListener() { |
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| 61 | @Override |
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| 62 | public void keyTyped(KeyEvent e) { |
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| 63 | |
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| 64 | } |
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| 65 | |
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| 66 | @Override |
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| 67 | public void keyPressed(KeyEvent e) { |
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| 68 | onKeyPressed(e.getKeyCode()); |
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| 69 | } |
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| 70 | |
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| 71 | @Override |
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| 72 | public void keyReleased(KeyEvent e) { |
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| 73 | } |
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| 74 | }); |
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| 75 | |
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| 76 | commandLine.setFocusTraversalKeys(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS, Collections.<AWTKeyStroke> emptySet()); |
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| 77 | |
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| 78 | completionPopup = new JPopupMenu(); |
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| 79 | |
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| 80 | // completionPopupAction = new AbstractAction() { |
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| 81 | // @Override |
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| 82 | // public void actionPerformed(ActionEvent event) { |
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| 83 | // JMenuItem item = (JMenuItem) event.getSource(); |
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| 84 | // commandLine.setText(item.getText()); |
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| 85 | // } |
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| 86 | // }; |
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| 87 | |
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| 88 | sendButton = new JButton("Send"); |
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| 89 | sendButton.setName("send"); |
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| 90 | sendButton.addActionListener(new ActionListener() { |
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| 91 | |
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| 92 | public void actionPerformed(final ActionEvent e) { |
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| 93 | sendCurrent(); |
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| 94 | } |
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| 95 | }); |
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| 96 | |
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| 97 | final Box cmdBox = new Box(BoxLayout.LINE_AXIS); |
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| 98 | cmdBox.add(commandLine); |
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| 99 | cmdBox.add(Box.createHorizontalStrut(10)); |
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| 100 | cmdBox.add(sendButton); |
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| 101 | cmdBox.setBorder(BorderFactory.createEmptyBorder(0, 7, 7, 7)); |
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| 102 | |
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| 103 | panel.add(cmdBox, BorderLayout.PAGE_END); |
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| 104 | |
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| 105 | getSwing().addWindowListener(new WindowAdapter() { |
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| 106 | public void windowOpened(WindowEvent e) { |
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| 107 | commandLine.requestFocus(); |
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| 108 | } |
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| 109 | }); |
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| 110 | } |
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| 111 | |
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| 112 | |
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| 113 | protected abstract void findCompletionPropositions(String prefix); |
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| 114 | |
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| 115 | @SuppressWarnings("serial") |
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| 116 | protected void processCompletionResult(String prefix, List<String> propositions) { |
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| 117 | assert isActive(); |
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| 118 | if (propositions.isEmpty()) { |
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| 119 | return; |
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| 120 | } |
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| 121 | if (!commandLine.getText().equals(prefix)) { |
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| 122 | return; |
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| 123 | } |
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| 124 | if (propositions.size() == 1) { |
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| 125 | commandLine.setText(propositions.get(0)); |
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| 126 | return; |
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| 127 | } |
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| 128 | |
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| 129 | Iterator<String> i = propositions.iterator(); |
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| 130 | String common = i.next(); |
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| 131 | while (i.hasNext()) { |
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| 132 | common = Strings.commonPrefix(common, i.next()); |
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| 133 | } |
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| 134 | if (!prefix.equals(common)) { |
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| 135 | commandLine.setText(common); |
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| 136 | return; |
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| 137 | } |
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| 138 | |
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| 139 | completionPopup.setVisible(false); |
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| 140 | completionPopup.removeAll(); |
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| 141 | |
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| 142 | for (final String c : propositions) { |
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| 143 | completionPopup.add(new JMenuItem(new AbstractAction(c) { |
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| 144 | @Override |
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| 145 | public void actionPerformed(ActionEvent e) { |
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| 146 | commandLine.setText(c); |
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| 147 | } |
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| 148 | })); |
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| 149 | } |
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| 150 | |
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| 151 | |
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| 152 | double width = commandLine.getFont().getStringBounds(prefix, new FontRenderContext(null, false, false)).getWidth(); |
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| 153 | completionPopup.show(commandLine, (int) width, 0); |
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| 154 | completionPopup.requestFocus(); |
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| 155 | } |
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| 156 | |
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| 157 | protected JPopupMenu completionPopup; |
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| 158 | |
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| 159 | |
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| 160 | private void onKeyPressed(int keyCode) { |
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| 161 | if (keyCode == KeyEvent.VK_TAB) { |
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| 162 | try { |
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| 163 | findCompletionPropositions(commandLine.getText()); |
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| 164 | } catch (FramsticksException e) { |
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| 165 | handle(e); |
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| 166 | } |
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| 167 | return; |
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| 168 | } |
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| 169 | |
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| 170 | if (keyCode == KeyEvent.VK_UP || keyCode == KeyEvent.VK_DOWN) { |
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| 171 | boolean up = (keyCode == KeyEvent.VK_UP); |
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| 172 | if (history.isEmpty()) { |
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| 173 | return; |
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| 174 | } |
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| 175 | |
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| 176 | String line; |
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| 177 | if (up) { |
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| 178 | if (historyCursor == null) { |
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| 179 | historyCursor = history.listIterator(0); |
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| 180 | } |
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| 181 | if (historyCursor.hasNext()) { |
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| 182 | line = historyCursor.next(); |
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| 183 | } else { |
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| 184 | historyCursor = null; |
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| 185 | line = ""; |
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| 186 | } |
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| 187 | } else { |
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| 188 | if (historyCursor == null) { |
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| 189 | historyCursor = history.listIterator(history.size()); |
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| 190 | } |
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| 191 | if (historyCursor.hasPrevious()) { |
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| 192 | line = historyCursor.previous(); |
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| 193 | } else { |
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| 194 | historyCursor = null; |
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| 195 | line = ""; |
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| 196 | } |
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| 197 | } |
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| 198 | commandLine.setText(line); |
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| 199 | return; |
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| 200 | } |
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| 201 | |
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| 202 | if (keyCode == KeyEvent.VK_ENTER) { |
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| 203 | sendCurrent(); |
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| 204 | return; |
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| 205 | } |
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| 206 | |
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| 207 | } |
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| 208 | |
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| 209 | protected abstract void sendImplementation(String line); |
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| 210 | |
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| 211 | /** |
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| 212 | * Sends message to manager and adds message to console frame. |
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| 213 | * |
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| 214 | * Message is not put into the text area by that method, because |
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| 215 | * in DirectConsole it is done by means of listening on Connection. |
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| 216 | */ |
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| 217 | public void sendCurrent() { |
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| 218 | assert isActive(); |
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| 219 | String line = commandLine.getText(); |
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| 220 | history.remove(line); |
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| 221 | history.add(0, line); |
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| 222 | historyCursor = null; |
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| 223 | commandLine.setText(""); |
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| 224 | |
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| 225 | sendImplementation(line); |
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| 226 | |
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| 227 | } |
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| 228 | |
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| 229 | /** |
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| 230 | * Adds query to console window. |
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| 231 | * |
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| 232 | * @param line Line of string query. |
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| 233 | */ |
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| 234 | protected void paintLine(String line) { |
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| 235 | consolePainter.userLine(line); |
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| 236 | } |
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| 237 | |
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| 238 | |
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| 239 | } |
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