java.awt.Container.isAncestorOf()方法的使用及代码示例

x33g5p2x  于2022-01-17 转载在 其他  
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本文整理了Java中java.awt.Container.isAncestorOf()方法的一些代码示例，展示了Container.isAncestorOf()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Container.isAncestorOf()方法的具体详情如下：
包路径：java.awt.Container
类名称：Container
方法名：isAncestorOf

Container.isAncestorOf介绍

[英]Checks if the component is contained in the component hierarchy of this container.
[中]

代码示例

代码示例来源：origin: net.sf.squirrel-sql.thirdparty-non-maven/openide

protected boolean isKnownComponent(Component c) {
  if (c == null) return false;
  if (c == this) return true;
  if (c == editorComp) return true;
  if (c == searchField) return true;
  if (c == this.getRootPane()) return true;
  if (c instanceof Container && ((Container) c).isAncestorOf(this)) {
    return true;
  }
  if ((editorComp instanceof Container) && ((Container) editorComp).isAncestorOf(c)) return true;
  return false;
}

代码示例来源：origin: net.sf.squirrel-sql.thirdpary-non-maven/openide

protected boolean isKnownComponent(Component c) {
  if (c == null) return false;
  if (c == this) return true;
  if (c == editorComp) return true;
  if (c == searchField) return true;
  if (c == this.getRootPane()) return true;
  if (c instanceof Container && ((Container) c).isAncestorOf(this)) {
    return true;
  }
  if ((editorComp instanceof Container) && ((Container) editorComp).isAncestorOf(c)) return true;
  return false;
}

代码示例来源：origin: org.netbeans.api/org-openide-explorer

protected boolean isKnownComponent(Component c) {
  if (c == null) {
    return false;
  }
  if (c == this) {
    return true;
  }
  if (c == editorComp) {
    return true;
  }
  if (c == searchField) {
    return true;
  }
  if (c == this.getRootPane()) {
    return true;
  }
  if (c instanceof Container && ((Container) c).isAncestorOf(this)) {
    return true;
  }
  if ((editorComp instanceof Container) && ((Container) editorComp).isAncestorOf(c)) {
    return true;
  }
  return false;
}

代码示例来源：origin: org.bidib.jbidib.com.vldocking/vldocking

/** Returns a list of all dockables contained into base
 */
private ArrayList findDockables(Container base) {
  ArrayList dockables = new ArrayList(10);
  Iterator<Dockable> it = constraintsByDockable.keySet().iterator();
  while(it.hasNext()) {
    Dockable d = it.next();
    if(base.isAncestorOf(d.getComponent())) {
      dockables.add(d);
    }
  }
  return dockables;
}

代码示例来源：origin: org.netbeans.api/org-openide-explorer

boolean isKnownComponent(Component c) {
  if (c == null) {
    return false;
  }
  if (isAncestorOf(c)) {
    return true;
  }
  if (c == editorComp) {
    return true;
  }
  if ((editorComp != null) && (editorComp instanceof Container) && ((Container) editorComp).isAncestorOf(c)) {
    return true;
  }
  return false;
}

代码示例来源：origin: net.sf.squirrel-sql.thirdpary-non-maven/openide

boolean isKnownComponent (Component c) {
  if (c == null) return false;
  if (isAncestorOf (c)) {
    return true;
  }
  if (c == editorComp) {
    return true;
  }
  if (editorComp != null && (editorComp instanceof Container) &&
    ((Container) editorComp).isAncestorOf(c)) {
      return true;
  }
  return false;
}

代码示例来源：origin: net.sf.squirrel-sql.thirdparty-non-maven/openide

boolean isKnownComponent (Component c) {
  if (c == null) return false;
  if (isAncestorOf (c)) {
    return true;
  }
  if (c == editorComp) {
    return true;
  }
  if (editorComp != null && (editorComp instanceof Container) &&
    ((Container) editorComp).isAncestorOf(c)) {
      return true;
  }
  return false;
}

代码示例来源：origin: in.jlibs/org-netbeans-swing-outline

/**
 * Checks whether the given component is "our".
 */
private boolean isKnownComponent(Component c) {
  if (c == null) return false;
  if (isAncestorOf (c)) {
    return true;
  }
  if (c == editorComp) {
    return true;
  }
  if (editorComp != null && (editorComp instanceof Container) &&
    ((Container) editorComp).isAncestorOf(c)) {
      return true;
  }
  return false;
}

代码示例来源：origin: com.jidesoft/jide-oss

public static boolean isAncestorOfFocusOwner(Component component) {
  boolean hasFocus = false;
  Component focusOwner = KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner();
  if (component == focusOwner || (component instanceof Container && ((Container) component).isAncestorOf(focusOwner))) {
    hasFocus = true;
  }
  return hasFocus;
}

代码示例来源：origin: com.jidesoft/jide-oss

public void focusLost(FocusEvent e) {
    Container topLevelAncestor = _popup.getTopLevelAncestor();
    if (topLevelAncestor == null) {
      return;
    }
    Component oppositeComponent = e.getOppositeComponent();
    if (topLevelAncestor == oppositeComponent || topLevelAncestor.isAncestorOf(oppositeComponent)) {
      return;
    }
    hideHintsPopup();
  }
});

代码示例来源：origin: com.jidesoft/jide-oss

@Override
public Component getLastComponent(Container aContainer) {
  if (_defaultPolicy == null) {
    return null;
  }
  Component component = _defaultPolicy.getLastComponent(aContainer);
  Component aComponent = component;
  boolean componentChanged;
  do {
    componentChanged = false;
    for (Container container : _containers) {
      if (container.isAncestorOf(component)) {
        Rectangle collapsiblePaneBounds = container.getBounds();
        Container parent = container.getParent();
        Rectangle bounds = SwingUtilities.convertRectangle(component.getParent(), component.getBounds(), parent);
        if (bounds.x < collapsiblePaneBounds.x + collapsiblePaneBounds.width && bounds.x + bounds.width > collapsiblePaneBounds.x && bounds.y < collapsiblePaneBounds.y + collapsiblePaneBounds.height && bounds.y + bounds.height > collapsiblePaneBounds.y) {
          return component;
        }
        component = _defaultPolicy.getComponentBefore(aContainer, component);
        componentChanged = true;
        break;
      }
    }
  }
  while (component != null && aComponent != component && componentChanged);
  return component;
}

代码示例来源：origin: com.jidesoft/jide-oss

@Override
public Component getComponentBefore(Container aContainer, Component aComponent) {
  if (_defaultPolicy == null) {
    return null;
  }
  Component component = _defaultPolicy.getComponentBefore(aContainer, aComponent);
  boolean componentChanged = true;
  while (component != null && aComponent != component && componentChanged) {
    componentChanged = false;
    for (Container container : _containers) {
      if (container.isAncestorOf(component)) {
        Rectangle collapsiblePaneBounds = container.getBounds();
        Container parent = container.getParent();
        Rectangle bounds = SwingUtilities.convertRectangle(component.getParent(), component.getBounds(), parent);
        if (bounds.x < collapsiblePaneBounds.x + collapsiblePaneBounds.width && bounds.x + bounds.width > collapsiblePaneBounds.x && bounds.y < collapsiblePaneBounds.y + collapsiblePaneBounds.height && bounds.y + bounds.height > collapsiblePaneBounds.y) {
          return component;
        }
        component = _defaultPolicy.getComponentBefore(aContainer, component);
        componentChanged = true;
        break;
      }
    }
  }
  return component;
}

代码示例来源：origin: com.jidesoft/jide-oss

/**
 * Checks if a component is an excluded component. If a component is an excluded component, clicking on it will not
 * hide the popup. By default, owner is always the excluded component.
 *
 * @param component a component.
 * @return true if the component is an excluded component.
 */
public boolean isExcludedComponent(Component component) {
  boolean contain = _excludedComponents.contains(component);
  if (!contain) {
    for (Component c : _excludedComponents) {
      if (c instanceof Container) {
        if (((Container) c).isAncestorOf(component)) {
          return true;
        }
      }
    }
    if (component instanceof JComponent) {
      Container c = ((JComponent) component).getTopLevelAncestor();
      if (c instanceof RootPaneContainer) {
        JComponent realParent = getRealParent((RootPaneContainer) c);
        if (realParent != null && realParent.getTopLevelAncestor() == getTopLevelAncestor()) {
          return true;
        }
      }
    }
  }
  return contain;
}

代码示例来源：origin: com.jidesoft/jide-oss

@Override
public Component getComponentAfter(Container aContainer, Component aComponent) {
  if (_defaultPolicy == null) {
    return null;
  }
  Component component = _defaultPolicy.getComponentAfter(aContainer, aComponent);
  boolean componentChanged = true;
  while (component != null && aComponent != component && componentChanged) {
    componentChanged = false;
    for (Container container : _containers) {
      if (container.isAncestorOf(component)) {
        Rectangle collapsiblePaneBounds = container.getBounds();
        Container parent = container.getParent();
        Rectangle bounds = SwingUtilities.convertRectangle(component.getParent(), component.getBounds(), parent);
        if (bounds.x < collapsiblePaneBounds.x + collapsiblePaneBounds.width && bounds.x + bounds.width > collapsiblePaneBounds.x && bounds.y < collapsiblePaneBounds.y + collapsiblePaneBounds.height && bounds.y + bounds.height > collapsiblePaneBounds.y) {
          return component;
        }
        component = _defaultPolicy.getComponentAfter(aContainer, component);
        componentChanged = true;
        break;
      }
    }
  }
  return component;
}

代码示例来源：origin: com.jidesoft/jide-oss

@Override
public Component getFirstComponent(Container aContainer) {
  if (_defaultPolicy == null) {
    return null;
  }
  Component component = _defaultPolicy.getFirstComponent(aContainer);
  Component aComponent = component;
  boolean componentChanged;
  do {
    componentChanged = false;
    for (Container container : _containers) {
      if (container.isAncestorOf(component)) {
        Rectangle collapsiblePaneBounds = container.getBounds();
        Container parent = container.getParent();
        Rectangle bounds = SwingUtilities.convertRectangle(component.getParent(), component.getBounds(), parent);
        if (bounds.x < collapsiblePaneBounds.x + collapsiblePaneBounds.width && bounds.x + bounds.width > collapsiblePaneBounds.x && bounds.y < collapsiblePaneBounds.y + collapsiblePaneBounds.height && bounds.y + bounds.height > collapsiblePaneBounds.y) {
          return component;
        }
        component = _defaultPolicy.getComponentAfter(aContainer, component);
        componentChanged = true;
        break;
      }
    }
  }
  while (component != null && aComponent != component && componentChanged);
  return component;
}

代码示例来源：origin: org.bidib.jbidib.com.vldocking/vldocking

/** {@inheritDoc} */
public boolean startDragComponent(Point p) {
  // disable DnD for some cases : 
  // - child of a compound dockable, in hidden state
  // - child of a maximized compund dockable
  // - maximized dockable
  DockableState.Location targetLocation = target.getDockKey().getLocation();
  if(targetLocation == DockableState.Location.HIDDEN) {
    if(DockingUtilities.isChildOfCompoundDockable(target)) {
      // nested hidden dockables cannot be drag and dropped
      return false;
    }
  } else if(targetLocation == DockableState.Location.DOCKED) {
    boolean isChildOfMaximizedContainer = false;
    if(desktop != null) {
      Dockable max = desktop.getMaximizedDockable();
      if(max != null && max.getComponent().getParent().isAncestorOf(this)) {
        isChildOfMaximizedContainer = true;
      }
    }
    if(isChildOfMaximizedContainer) {
      return false;
    }
  } else if(targetLocation == DockableState.Location.MAXIMIZED) {
    return false;
  }
  // notify our listeners that drag has begun
  firePropertyChange(PROPERTY_DRAGGED, false, true);
  return true;
}

代码示例来源：origin: com.jidesoft/jide-oss

/**
   * This method will process component event. By default, if popup's ancestor is hidden, we will hide the popup as
   * well if the popup is transient (isTransient returns true). If popup's ancestor is moved, we will either move or
   * hide the popup depending on {@link #getDefaultMoveOperation()} value.
   *
   * @param e the ComponentEvent.
   */
  protected void handleComponentEvent(ComponentEvent e) {
    Component owner = getActualOwner();
    if (!(e.getSource() instanceof Container)) {
      return;
    }
    Container container = (Container) e.getSource();
    if (e.getID() == ComponentEvent.COMPONENT_HIDDEN && (container == owner || container.isAncestorOf(owner))) {
      ancestorHidden();
    }
    else if (e.getID() == ComponentEvent.COMPONENT_MOVED && (container == owner || container.isAncestorOf(owner))) {
      // this line is for Linux because the JFrame moves when combobox is shown inside JidePopup
//            System.out.println("_actualOwnerLocation " + _actualOwnerLocation + " _actualOwner " + _actualOwner + " _actualOwner.getLocationOnScreen() " + (_actualOwner != null ? _actualOwner.getLocationOnScreen() : null));
      try {
        if (_actualOwnerLocation == null || _actualOwner == null || !_actualOwner.getLocationOnScreen().equals(_actualOwnerLocation)) {
          ancestorMoved();
        }
      }
      catch (Exception ex) {
        // ignore in case IllegalComponentStateException happens in getLocationOnScreen
      }
    }
  }

代码示例来源：origin: net.sf.squirrel-sql.thirdparty-non-maven/openide

if ((getParent() != null) && (getParent().isAncestorOf (c))) return true;
if (par != null && par.isAncestorOf(c)) return true;
if (c instanceof InplaceEditor) return true;
InplaceEditor ine = getEditor().getInplaceEditor();

代码示例来源：origin: org.bidib.jbidib.com.vldocking/vldocking

private void scanContainer(DockEvent event, boolean drop) {
  if(event.getDragSource().getDockableContainer().isAncestorOf(this)) {

代码示例来源：origin: org.bidib.jbidib.com.vldocking/vldocking

private void scanContainer(DockEvent event, boolean drop) {
  // reject operation if the source is an ancestor of this component
  if(event.getDragSource().getDockableContainer().isAncestorOf(this)) {
    // this is possible for compound containers (as they contain sub-dockables)
    // in that case, you cannnot drop a compound into one of its children  // 2007/01/08
    if(drop) {
      ((DockDropEvent) event).rejectDrop();
    } else {
      ((DockDragEvent) event).delegateDrag();
    }
    return;
  }
  @SuppressWarnings("unused")
  Point p = event.getMouseEvent().getPoint();
  Rectangle compBounds = getBounds();
  Dockable dragged = event.getDragSource().getDockable();
  DockableState.Location initialLocation = dragged.getDockKey().getLocation();
  DockableState.Location nextLocation = dockable.getDockKey().getLocation();
  event.setDockingAction(new DockingActionAddDockableEvent(event.getDesktop(), dragged, initialLocation, nextLocation, this));
  if(drop) {
    acceptDrop(event);
  } else {
    Rectangle2D r2d = new Rectangle2D.Float(0, 0, compBounds.width, compBounds.height);
    ((DockDragEvent) event).acceptDrag(r2d);
  }
}

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