Java Component.removeComponentListener方法代码示例

import java.awt.Component; //导入方法依赖的package包/类
/**
 * May be called for either component or horizontal scrollbar.
 */
public @Override void componentResized(ComponentEvent e) {
    Component c = e.getComponent();
    if (c == component) { // called for component
        // In case the caretBounds are still null
        // (component not connected to hierarchy yet or it has zero size
        // so the modelToView() returned null) re-attempt to compute the bounds.
        CaretItem caret = getLastCaretItem();
        if (caret.getCaretBounds() == null) {
            dispatchUpdate(false);
            resetBlink();
            if (caret.getCaretBounds() != null) { // detach the listener - no longer necessary
                c.removeComponentListener(this);
            }
        }
    }
}
 

import java.awt.Component; //导入方法依赖的package包/类
/**
 * May be called for either component or horizontal scrollbar.
 */
public @Override void componentResized(ComponentEvent e) {
    Component c = e.getComponent();
    if (c == component) { // called for component
        // In case the caretBounds are still null
        // (component not connected to hierarchy yet or it has zero size
        // so the modelToView() returned null) re-attempt to compute the bounds.
        if (caretBounds == null) {
            dispatchUpdate(true);
            if (caretBounds != null) { // detach the listener - no longer necessary
                c.removeComponentListener(this);
            }
        }
    }
}
 

import java.awt.Component; //导入方法依赖的package包/类
private void unregisterListeners(Component component) {
    if (splitPaneComponentListener != null) {
        component.removeComponentListener(splitPaneComponentListener);
    }

    if (splitPaneActionListener != null) {
        if (component instanceof JTitledPanel) {
            ((JTitledPanel) component).removeActionListener(splitPaneActionListener);
        }

        //else if (component instanceof JExtendedSplitPane) ((JTitledPanel)component).removeActionListener(splitPaneActionListener);
    }
}
 

import java.awt.Component; //导入方法依赖的package包/类
void removeListeners(Component ancestor) {
    Component a;
    for (a = ancestor; a != null; a = a.getParent()) {
        a.removeComponentListener(this);
        if (a instanceof JComponent) {
            JComponent jAncestor = (JComponent)a;
            jAncestor.removePropertyChangeListener(this);
        }
        if (a == firstInvisibleAncestor || a instanceof Window) {
            break;
        }
    }
}
 

import java.awt.Component; //导入方法依赖的package包/类
@Override
protected void onDispose(Component w) {
    w.removeComponentListener(this);
}