How to use

getComponentCount

method

in

org.fife.ui.rtextarea.Gutter

/**
 * Returns <code>true</code> if the line numbers are enabled and visible.
 *
 * @return Whether or not line numbers are visible.
 */
public boolean getLineNumbersEnabled() {
  for (int i=0; i<getComponentCount(); i++) {
    if (getComponent(i)==lineNumberList) {
      return true;
    }
  }
  return false;
}

/**
 * Returns whether the fold indicator is enabled.
 *
 * @return Whether the fold indicator is enabled.
 * @see #setFoldIndicatorEnabled(boolean)
 */
public boolean isFoldIndicatorEnabled() {
  for (int i=0; i<getComponentCount(); i++) {
    if (getComponent(i)==foldIndicator) {
      return true;
    }
  }
  return false;
}

/**
 * Returns whether the icon row header is enabled.
 *
 * @return Whether the icon row header is enabled.
 */
public boolean isIconRowHeaderEnabled() {
  for (int i=0; i<getComponentCount(); i++) {
    if (getComponent(i)==iconArea) {
      return true;
    }
  }
  return false;
}

protected void handleDocumentEvent(DocumentEvent e) {
  for (int i=0; i<getComponentCount(); i++) {
    AbstractGutterComponent agc =
          (AbstractGutterComponent)getComponent(i);
    agc.handleDocumentEvent(e);
  }
}

for (int i=0; i<getComponentCount(); i++) {
  AbstractGutterComponent agc =
        (AbstractGutterComponent)getComponent(i);

/**
 * Ensures the gutter is visible if it's showing anything.
 */
private void checkGutterVisibility() {
  int count = gutter.getComponentCount();
  if (count==0) {
    if (getRowHeader()!=null && getRowHeader().getView()==gutter) {
      setRowHeaderView(null);
    }
  }
  else {
    if (getRowHeader()==null || getRowHeader().getView()==null) {
      setRowHeaderView(gutter);
    }
  }
}

/**
 * Returns <code>true</code> if the line numbers are enabled and visible.
 *
 * @return Whether or not line numbers are visible.
 */
public boolean getLineNumbersEnabled() {
  for (int i=0; i<getComponentCount(); i++) {
    if (getComponent(i)==lineNumberList) {
      return true;
    }
  }
  return false;
}

/**
 * Returns <code>true</code> if the line numbers are enabled and visible.
 *
 * @return Whether or not line numbers are visible.
 */
public boolean getLineNumbersEnabled() {
  for (int i=0; i<getComponentCount(); i++) {
    if (getComponent(i)==lineNumberList) {
      return true;
    }
  }
  return false;
}

/**
 * Returns whether the icon row header is enabled.
 *
 * @return Whether the icon row header is enabled.
 */
public boolean isIconRowHeaderEnabled() {
  for (int i=0; i<getComponentCount(); i++) {
    if (getComponent(i)==iconArea) {
      return true;
    }
  }
  return false;
}

/**
 * Returns whether the icon row header is enabled.
 *
 * @return Whether the icon row header is enabled.
 */
public boolean isIconRowHeaderEnabled() {
  for (int i=0; i<getComponentCount(); i++) {
    if (getComponent(i)==iconArea) {
      return true;
    }
  }
  return false;
}

/**
 * Returns whether the icon row header is enabled.
 *
 * @return Whether the icon row header is enabled.
 */
public boolean isIconRowHeaderEnabled() {
  for (int i=0; i<getComponentCount(); i++) {
    if (getComponent(i)==iconArea) {
      return true;
    }
  }
  return false;
}

/**
 * Returns whether the fold indicator is enabled.
 *
 * @return Whether the fold indicator is enabled.
 * @see #setFoldIndicatorEnabled(boolean)
 */
public boolean isFoldIndicatorEnabled() {
  for (int i=0; i<getComponentCount(); i++) {
    if (getComponent(i)==foldIndicator) {
      return true;
    }
  }
  return false;
}

/**
 * Returns <code>true</code> if the line numbers are enabled and visible.
 *
 * @return Whether or not line numbers are visible.
 */
public boolean getLineNumbersEnabled() {
  for (int i=0; i<getComponentCount(); i++) {
    if (getComponent(i)==lineNumberList) {
      return true;
    }
  }
  return false;
}

public void propertyChange(PropertyChangeEvent e) {
  String name = e.getPropertyName();
  // If they change the text area's font, we need to update cell
  // heights to match the font's height.
  if ("font".equals(name) ||
      RSyntaxTextArea.SYNTAX_SCHEME_PROPERTY.equals(name)) {
    for (int i=0; i<getComponentCount(); i++) {
      AbstractGutterComponent agc =
            (AbstractGutterComponent)getComponent(i);
      agc.lineHeightsChanged();
    }
  }
}

public void propertyChange(PropertyChangeEvent e) {
  String name = e.getPropertyName();
  // If they change the text area's font, we need to update cell
  // heights to match the font's height.
  if ("font".equals(name) ||
      RSyntaxTextArea.SYNTAX_SCHEME_PROPERTY.equals(name)) {
    for (int i=0; i<getComponentCount(); i++) {
      AbstractGutterComponent agc =
            (AbstractGutterComponent)getComponent(i);
      agc.lineHeightsChanged();
    }
  }
}

protected void handleDocumentEvent(DocumentEvent e) {
  for (int i=0; i<getComponentCount(); i++) {
    AbstractGutterComponent agc =
          (AbstractGutterComponent)getComponent(i);
    agc.handleDocumentEvent(e);
  }
}

protected void handleDocumentEvent(DocumentEvent e) {
  for (int i=0; i<getComponentCount(); i++) {
    AbstractGutterComponent agc =
          (AbstractGutterComponent)getComponent(i);
    agc.handleDocumentEvent(e);
  }
}

protected void handleDocumentEvent(DocumentEvent e) {
  for (int i=0; i<getComponentCount(); i++) {
    AbstractGutterComponent agc =
          (AbstractGutterComponent)getComponent(i);
    agc.handleDocumentEvent(e);
  }
}

/**
 * Ensures the gutter is visible if it's showing anything.
 */
private void checkGutterVisibility() {
  int count = gutter.getComponentCount();
  if (count==0) {
    if (getRowHeader()!=null && getRowHeader().getView()==gutter) {
      setRowHeaderView(null);
    }
  }
  else {
    if (getRowHeader()==null || getRowHeader().getView()==null) {
      setRowHeaderView(gutter);
    }
  }
}

/**
 * Ensures the gutter is visible if it's showing anything.
 */
private void checkGutterVisibility() {
  int count = gutter.getComponentCount();
  if (count==0) {
    if (getRowHeader()!=null && getRowHeader().getView()==gutter) {
      setRowHeaderView(null);
    }
  }
  else {
    if (getRowHeader()==null || getRowHeader().getView()==null) {
      setRowHeaderView(gutter);
    }
  }
}