Beispiel #1
0
  @Override
  public final void mousePressed(final MouseEvent e) {
    if (!isEnabled() || !isFocusable()) return;

    requestFocusInWindow();
    caret(true);

    if (SwingUtilities.isMiddleMouseButton(e)) copy();

    final boolean shift = e.isShiftDown();
    final boolean selected = editor.selected();
    if (SwingUtilities.isLeftMouseButton(e)) {
      final int c = e.getClickCount();
      if (c == 1) {
        // selection mode
        if (shift) editor.startSelection(true);
        select(e.getPoint(), !shift);
      } else if (c == 2) {
        editor.selectWord();
      } else {
        editor.selectLine();
      }
    } else if (!selected) {
      select(e.getPoint(), true);
    }
  }
Beispiel #2
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  @Override
  public void keyTyped(final KeyEvent e) {
    if (!hist.active()
        || control(e)
        || DELNEXT.is(e)
        || DELPREV.is(e)
        || ESCAPE.is(e)
        || CUT2.is(e)) return;

    final int caret = editor.pos();

    // remember if marked text is to be deleted
    final StringBuilder sb = new StringBuilder(1).append(e.getKeyChar());
    final boolean indent = TAB.is(e) && editor.indent(sb, e.isShiftDown());

    // delete marked text
    final boolean selected = editor.selected() && !indent;
    if (selected) editor.delete();

    final int move = ENTER.is(e) ? editor.enter(sb) : editor.add(sb, selected);

    // refresh history and adjust cursor position
    hist.store(editor.text(), caret, editor.pos());
    if (move != 0) editor.pos(Math.min(editor.size(), caret + move));

    // adjust text height
    scrollCode.invokeLater(true);
    e.consume();
  }
Beispiel #3
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  /** Sorts text. */
  public final void sort() {
    final int caret = editor.pos();
    final DialogSort ds = new DialogSort(gui);
    if (!ds.ok() || !editor.sort()) return;

    hist.store(editor.text(), caret, editor.pos());
    scrollCode.invokeLater(true);
    repaint();
  }
Beispiel #4
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 /**
  * Constructor.
  *
  * @param et text reference
  */
 TextIterator(final TextEditor et) {
   text = et.text();
   length = text.length;
   caret = et.pos();
   start = et.start;
   end = et.end;
   errPos = et.error;
   searchPos = et.searchPos;
 }
Beispiel #5
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  @Override
  public void mouseReleased(final MouseEvent e) {
    if (linkListener == null) return;

    if (SwingUtilities.isLeftMouseButton(e)) {
      editor.endSelection();
      // evaluate link
      if (!editor.selected()) {
        final TextIterator iter = rend.jump(e.getPoint());
        final String link = iter.link();
        if (link != null) linkListener.linkClicked(link);
      }
    }
  }
Beispiel #6
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 /**
  * Replaces the text.
  *
  * @param rc replace context
  */
 final void replace(final ReplaceContext rc) {
   try {
     final int[] select = rend.replace(rc);
     if (rc.text != null) {
       final boolean sel = editor.selected();
       setText(rc.text);
       editor.select(select[0], select[sel ? 1 : 0]);
       release(Action.CHECK);
     }
     gui.status.setText(Text.STRINGS_REPLACED);
   } catch (final Exception ex) {
     final String msg = Util.message(ex).replaceAll(Prop.NL + ".*", "");
     gui.status.setError(Text.REGULAR_EXPR + Text.COLS + msg);
   }
 }
Beispiel #7
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  /** Code completion. */
  private void complete() {
    if (selected()) return;

    // find first character
    final int caret = editor.pos(), startPos = editor.completionStart();
    final String prefix = string(substring(editor.text(), startPos, caret));
    if (prefix.isEmpty()) return;

    // find insertion candidates
    final TreeMap<String, String> tmp = new TreeMap<>();
    for (final Entry<String, String> entry : REPLACE.entrySet()) {
      final String key = entry.getKey();
      if (key.startsWith(prefix)) tmp.put(key, entry.getValue());
    }

    if (tmp.size() == 1) {
      // insert single candidate
      complete(tmp.values().iterator().next(), startPos);
    } else if (!tmp.isEmpty()) {
      // show popup menu
      final JPopupMenu pm = new JPopupMenu();
      final ActionListener al =
          new ActionListener() {
            @Override
            public void actionPerformed(final ActionEvent ae) {
              complete(ae.getActionCommand().replaceAll("^.*?\\] ", ""), startPos);
            }
          };

      for (final Entry<String, String> entry : tmp.entrySet()) {
        final JMenuItem mi = new JMenuItem("[" + entry.getKey() + "] " + entry.getValue());
        pm.add(mi);
        mi.addActionListener(al);
      }
      pm.addSeparator();
      final JMenuItem mi = new JMenuItem(Text.INPUT + Text.COLS + prefix);
      mi.setEnabled(false);
      pm.add(mi);

      final int[] cursor = rend.cursor();
      pm.show(this, cursor[0], cursor[1]);

      // highlight first entry
      final MenuElement[] me = {pm, (JMenuItem) pm.getComponent(0)};
      MenuSelectionManager.defaultManager().setSelectedPath(me);
    }
  }
Beispiel #8
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  /**
   * Copies the selected text to the clipboard.
   *
   * @return true if text was copied
   */
  private boolean copy() {
    final String txt = editor.copy();
    if (txt.isEmpty()) return false;

    // copy selection to clipboard
    BaseXLayout.copy(txt);
    return true;
  }
Beispiel #9
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 /**
  * Sets the output text.
  *
  * @param text output text
  * @param size text size
  */
 public final void setText(final byte[] text, final int size) {
   byte[] txt = text;
   if (Token.contains(text, '\r')) {
     // remove carriage returns
     int ns = 0;
     for (int r = 0; r < size; ++r) {
       final byte b = text[r];
       if (b != '\r') text[ns++] = b;
     }
     // new text is different...
     txt = Arrays.copyOf(text, ns);
   } else if (text.length != size) {
     txt = Arrays.copyOf(text, size);
   }
   if (editor.text(txt)) {
     if (hist != null) hist.store(txt, editor.pos(), 0);
   }
   if (isShowing()) resizeCode.invokeLater();
 }
Beispiel #10
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 /** Jumps to a specific line. */
 private void gotoLine() {
   final byte[] last = editor.text();
   final int ll = last.length;
   final int cr = getCaret();
   int l = 1;
   for (int e = 0; e < ll && e < cr; e += cl(last, e)) {
     if (last[e] == '\n') ++l;
   }
   final DialogLine dl = new DialogLine(gui, l);
   if (!dl.ok()) return;
   final int el = dl.line();
   l = 1;
   int p = 0;
   for (int e = 0; e < ll && l < el; e += cl(last, e)) {
     if (last[e] != '\n') continue;
     p = e + 1;
     ++l;
   }
   setCaret(p);
   gui.editor.posCode.invokeLater();
 }
Beispiel #11
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  @Override
  public void keyPressed(final KeyEvent e) {
    // ignore modifier keys
    if (specialKey(e) || modifier(e)) return;

    // re-animate cursor
    caret(true);

    // operations without cursor movement...
    final int fh = rend.fontHeight();
    if (SCROLLDOWN.is(e)) {
      scroll.pos(scroll.pos() + fh);
      return;
    }
    if (SCROLLUP.is(e)) {
      scroll.pos(scroll.pos() - fh);
      return;
    }

    // set cursor position
    final boolean selected = editor.selected();
    final int pos = editor.pos();

    final boolean shift = e.isShiftDown();
    boolean down = true, consumed = true;

    // move caret
    int lc = Integer.MIN_VALUE;
    final byte[] txt = editor.text();
    if (NEXTWORD.is(e)) {
      editor.nextWord(shift);
    } else if (PREVWORD.is(e)) {
      editor.prevWord(shift);
      down = false;
    } else if (TEXTSTART.is(e)) {
      editor.textStart(shift);
      down = false;
    } else if (TEXTEND.is(e)) {
      editor.textEnd(shift);
    } else if (LINESTART.is(e)) {
      editor.lineStart(shift);
      down = false;
    } else if (LINEEND.is(e)) {
      editor.lineEnd(shift);
    } else if (PREVPAGE_RO.is(e) && !hist.active()) {
      lc = editor.linesUp(getHeight() / fh, false, lastCol);
      down = false;
    } else if (NEXTPAGE_RO.is(e) && !hist.active()) {
      lc = editor.linesDown(getHeight() / fh, false, lastCol);
    } else if (PREVPAGE.is(e) && !sc(e)) {
      lc = editor.linesUp(getHeight() / fh, shift, lastCol);
      down = false;
    } else if (NEXTPAGE.is(e) && !sc(e)) {
      lc = editor.linesDown(getHeight() / fh, shift, lastCol);
    } else if (NEXTLINE.is(e) && !MOVEDOWN.is(e)) {
      lc = editor.linesDown(1, shift, lastCol);
    } else if (PREVLINE.is(e) && !MOVEUP.is(e)) {
      lc = editor.linesUp(1, shift, lastCol);
      down = false;
    } else if (NEXTCHAR.is(e)) {
      editor.next(shift);
    } else if (PREVCHAR.is(e)) {
      editor.previous(shift);
      down = false;
    } else {
      consumed = false;
    }
    lastCol = lc == Integer.MIN_VALUE ? -1 : lc;

    // edit text
    if (hist.active()) {
      if (COMPLETE.is(e)) {
        complete();
        return;
      }

      if (MOVEDOWN.is(e)) {
        editor.move(true);
      } else if (MOVEUP.is(e)) {
        editor.move(false);
      } else if (DELLINE.is(e)) {
        editor.deleteLine();
      } else if (DELNEXTWORD.is(e)) {
        editor.deleteNext(true);
      } else if (DELLINEEND.is(e)) {
        editor.deleteNext(false);
      } else if (DELNEXT.is(e)) {
        editor.delete();
      } else if (DELPREVWORD.is(e)) {
        editor.deletePrev(true);
        down = false;
      } else if (DELLINESTART.is(e)) {
        editor.deletePrev(false);
        down = false;
      } else if (DELPREV.is(e)) {
        editor.deletePrev();
        down = false;
      } else {
        consumed = false;
      }
    }
    if (consumed) e.consume();

    final byte[] tmp = editor.text();
    if (txt != tmp) {
      // text has changed: add old text to history
      hist.store(tmp, pos, editor.pos());
      scrollCode.invokeLater(down);
    } else if (pos != editor.pos() || selected != editor.selected()) {
      // cursor position or selection state has changed
      cursorCode.invokeLater(down ? 2 : 0);
    }
  }
Beispiel #12
0
 /**
  * Selects the text at the specified position.
  *
  * @param point mouse position
  * @param start states if selection has just been started
  */
 private void select(final Point point, final boolean start) {
   editor.select(rend.jump(point).pos(), start);
   rend.repaint();
 }
Beispiel #13
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 /**
  * Auto-completes a string at the specified position.
  *
  * @param string string
  * @param start start position
  */
 private void complete(final String string, final int start) {
   final int caret = editor.pos();
   editor.complete(string, start);
   hist.store(editor.text(), caret, editor.pos());
   scrollCode.invokeLater(true);
 }
Beispiel #14
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 /**
  * Sets the caret to the specified position. A text selection will be removed.
  *
  * @param pos caret position
  */
 public final void setCaret(final int pos) {
   editor.pos(pos);
   cursorCode.invokeLater(1);
   caret(true);
 }
Beispiel #15
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 /**
  * Returns the current text cursor.
  *
  * @return cursor position
  */
 private int getCaret() {
   return editor.pos();
 }
Beispiel #16
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 /**
  * Pastes a string.
  *
  * @param string string to be pasted
  */
 public final void paste(final String string) {
   final int pos = editor.pos();
   if (editor.selected()) editor.delete();
   editor.add(string);
   finish(pos);
 }
Beispiel #17
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  /**
   * Default constructor.
   *
   * @param txt initial text
   * @param editable editable flag
   * @param win parent window
   */
  public TextPanel(final String txt, final boolean editable, final Window win) {
    super(win);
    this.editable = editable;
    editor = new TextEditor(gui);

    setFocusable(true);
    setFocusTraversalKeysEnabled(!editable);
    setBackground(BACK);
    setOpaque(editable);

    addMouseMotionListener(this);
    addMouseWheelListener(this);
    addComponentListener(this);
    addMouseListener(this);
    addKeyListener(this);

    addFocusListener(
        new FocusAdapter() {
          @Override
          public void focusGained(final FocusEvent e) {
            if (isEnabled()) caret(true);
          }

          @Override
          public void focusLost(final FocusEvent e) {
            caret(false);
            rend.caret(false);
          }
        });

    setFont(dmfont);
    layout(new BorderLayout());

    scroll = new BaseXScrollBar(this);
    rend = new TextRenderer(editor, scroll, editable, gui);

    add(rend, BorderLayout.CENTER);
    add(scroll, BorderLayout.EAST);

    setText(txt);
    hist = new History(editable ? editor.text() : null);

    new BaseXPopup(
        this,
        editable
            ? new GUICommand[] {
              new FindCmd(),
              new FindNextCmd(),
              new FindPrevCmd(),
              null,
              new GotoCmd(),
              null,
              new UndoCmd(),
              new RedoCmd(),
              null,
              new AllCmd(),
              new CutCmd(),
              new CopyCmd(),
              new PasteCmd(),
              new DelCmd()
            }
            : new GUICommand[] {
              new FindCmd(),
              new FindNextCmd(),
              new FindPrevCmd(),
              null,
              new GotoCmd(),
              null,
              new AllCmd(),
              new CopyCmd()
            });
  }
Beispiel #18
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 /**
  * Case conversion.
  *
  * @param cs case type
  */
 public final void toCase(final Case cs) {
   final int caret = editor.pos();
   if (editor.toCase(cs)) hist.store(editor.text(), caret, editor.pos());
   scrollCode.invokeLater(true);
 }
Beispiel #19
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 /**
  * Sets the error marker.
  *
  * @param pos start of optional error mark
  */
 public final void error(final int pos) {
   editor.error(pos);
   rend.repaint();
 }
Beispiel #20
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 /** Removes the error marker. */
 public final void resetError() {
   editor.error(-1);
   rend.repaint();
 }
Beispiel #21
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 /**
  * Tests if text has been selected.
  *
  * @return result of check
  */
 public final boolean selected() {
   return editor.selected();
 }
Beispiel #22
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 /**
  * Returns the output text.
  *
  * @return output text
  */
 public final byte[] getText() {
   return editor.text();
 }
Beispiel #23
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 /** Formats the selected text. */
 public final void format() {
   final int caret = editor.pos();
   if (editor.format(rend.getSyntax())) hist.store(editor.text(), caret, editor.pos());
   scrollCode.invokeLater(true);
 }
Beispiel #24
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 /** Selects the whole text. */
 private void selectAll() {
   editor.selectAll();
   rend.repaint();
 }
Beispiel #25
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 /**
  * Finishes a command.
  *
  * @param old old cursor position; store entry to history if position != -1
  */
 private void finish(final int old) {
   if (old != -1) hist.store(editor.text(), old, editor.pos());
   scrollCode.invokeLater(true);
   release(Action.CHECK);
 }
Beispiel #26
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 /**
  * Returns a currently marked string if it does not extend over more than one line.
  *
  * @return search string
  */
 public final String searchString() {
   final String string = editor.copy();
   return string.indexOf('\n') != -1 ? "" : string;
 }