Example usage for java.awt Container getParent

Introduction

In this page you can find the example usage for java.awt Container getParent.

Prototype

public Container getParent()

Source Link

Document

Gets the parent of this component.

Usage

From source file:Main.java

/**
 * Gets the top parent Window of the given component. There is a limit to how far up the parent stack it'll go.
 *
 * @param <T>//from www .j a va 2s . c  om
 * @param jComponent
 * @return
 */
public static <T extends Window> T getParentWindow(Component jComponent) {
    Container parent = jComponent.getParent();
    int i = 0;
    int limit = 100;
    while (true) {
        parent = parent.getParent();
        if (parent instanceof Window) {
            return (T) parent;
        }
        i++;
        if (i > limit) {
            return null; //Just to prevent an infinite loop...
        }
    }
}

From source file:Main.java

public static JFrame getFrame(Container target) {
    if (target instanceof JFrame) {
        return (JFrame) target;
    }/*from   w w w.j ava2  s .c  om*/
    return getFrame(target.getParent());
}

From source file:Main.java

public static JInternalFrame getInternalFrameForComponent(JComponent c) {
    java.awt.Container p = c;
    do {//from  w  w  w .  j  a v  a  2  s  .  c  om
        if (p instanceof JInternalFrame) {
            return (JInternalFrame) p;
        }
        p = p.getParent();
    } while (p != null);
    return null;
}

From source file:Main.java

static public <T extends Container> T findAncestorOfType(Container acomp, Class<T> type) {
    Container parent = acomp;
    while (parent != null) {
        if (type.isInstance(parent))
            return type.cast(parent);
        parent = parent.getParent();
    }//w  w w  . ja  v a2s . co  m
    return null;
}

From source file:Main.java

/**
 * Convenience method for searching above the given component in the component
 * hierarchy and returns the first object of the given type it finds, or
 * <code>null</code> if no such parent was found.
 * <p>/*from   w ww  . j  av a 2  s. co m*/
 * The reason this method exists is for tidyness of the calling code, as no
 * longer a explicit cast is needed.
 * 
 * @param aType
 *          the type of the parent to find, cannot be <code>null</code>;
 * @param aComponent
 *          the component to search in the hierarchy, cannot be
 *          <code>null</code>.
 * @return the requested ancestor, or <code>null</code> if not found.
 * @see SwingUtilities#getAncestorOfClass(Class, Component)
 */
@SuppressWarnings("unchecked")
public static <T> T getAncestorOfClass(final Class<T> aType, final Component aComponent) {
    if ((aComponent == null) || (aType == null)) {
        return null;
    }

    Container parent = aComponent.getParent();
    while ((parent != null) && !(aType.isInstance(parent))) {
        parent = parent.getParent();
    }

    return (T) parent;
}

From source file:Main.java

public static Frame getFrameOwner(Component c) {
    Container parent = c.getParent();
    while (parent != null && !(parent instanceof Frame)) {
        System.out.println("PARENT " + parent);
        parent = parent.getParent();
    }//from  ww  w. j a v a  2 s  .c o  m
    if (parent != null) {
        return (Frame) parent;
    } else {
        return null;
    }
}

From source file:Main.java

public static Frame findParentFrame(Component component) {
    if (component == null) {
        throw new NullPointerException("component == null");
    }/*from   w  w w.j a  v  a2 s. c  o  m*/
    Container parent = component.getParent();
    while (parent != null) {
        if ((parent instanceof Frame)) {
            return (Frame) parent;
        }
        parent = parent.getParent();
    }
    return null;
}

From source file:Main.java

public static boolean isVisible(Container container) {
    Container currentComponent = container;
    while (currentComponent != null) {
        if (!currentComponent.isVisible()) {
            return false;
        }/* w  w w  .jav  a2s. c  o  m*/
        currentComponent = currentComponent.getParent();
    }
    return true;
}

From source file:Main.java

public static Container getRootContainer(Component c) {
    if (c == null) {
        return null;
    }/*from w  w w  .j a v  a2  s  . c  om*/
    Container parent = c.getParent();
    while ((parent != null) && !(parent instanceof JPopupMenu) && !(parent instanceof JInternalFrame)
            && !(parent instanceof Window) && (parent.getParent() != null)) {
        parent = parent.getParent();
    }
    return parent;
}

From source file:Main.java

/**
 * Tests whether the component passed in parameter is used as an editor.
 *
 * @param comp/* w w w  .ja v a2s  .c o  m*/
 *          the component to test.
 * @return true if the component is currently used as an editor.
 */
public static boolean isUsedAsEditor(Component comp) {
    boolean usedAsEditor = false;
    Container parent = comp.getParent();
    while (parent != null && !usedAsEditor) {
        if (parent instanceof JTable) {
            usedAsEditor = true;
        }
        parent = parent.getParent();
    }
    return usedAsEditor;
}