Example usage for java.awt Container getComponent

Introduction

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

Prototype

public Component getComponent(int n)

Source Link

Document

Gets the nth component in this container.

Usage

From source file:Main.java

public static final Component getChildAtLine(Container container, Point p, boolean horizontal) {
    if (horizontal) {
        for (int i = 0; i < container.getComponentCount(); i++) {
            Component c = container.getComponent(i);
            if (p.x >= c.getX() && p.x < c.getX() + c.getWidth())
                return c;
        }//  w  w  w .  j  a  v a 2s .co m
    } else {
        for (int i = 0; i < container.getComponentCount(); i++) {
            Component c = container.getComponent(i);
            if (p.y >= c.getY() && p.y < c.getY() + c.getHeight())
                return c;
        }
    }

    return null;
}

From source file:Main.java

public static void swingDispatch(MouseEvent e, Point point, final Component component) {
    synchronized (component.getTreeLock()) {
        if (component instanceof Container) {
            Container container = (Container) component;
            for (int i = container.getComponentCount(); i-- != 0;) {
                Component child = container.getComponent(i);
                Rectangle r = child.getBounds();
                if (r.contains(point)) {
                    swingDispatch(e, new Point(point.x - r.x, point.y - r.y), child);
                    return;
                }//  w w w.  j av  a 2  s .c o m
            }
        }
    }
    final MouseEvent adapted = convertMouseEvent(e, component, point);
    SwingUtilities.invokeLater(new Runnable() {
        public void run() {
            component.dispatchEvent(adapted);
        }
    });
}

From source file:Main.java

/**
 * Forces an immediate repaint of a component and all of its children.
 *
 * @param component/*from ww  w .  j a  v  a2s  .c om*/
 */
public static void paintImmediately(Component component) {

    // Paint the component
    if (component instanceof JComponent) {
        JComponent jcomponent = (JComponent) component;
        jcomponent.paintImmediately(jcomponent.getBounds());
    }

    // Recursively paint children
    if (component instanceof Container) {
        Container container = (Container) component;
        int numberOfChildren = container.getComponentCount();
        for (int i = 0; i < numberOfChildren; i++) {
            Component child = container.getComponent(i);
            paintImmediately(child);
        }
    }
}

From source file:Main.java

/**
 * Enable container.//from  www.  ja v  a 2  s .  c o m
 *
 * @param cont
 *            the cont
 * @param enable
 *            the enable
 */
public static void enableContainer(final Container cont, final boolean enable) {
    final int count = cont.getComponentCount();
    Component comp;
    for (int i = 0; i < count; i++) {
        comp = cont.getComponent(i);
        if (comp instanceof JPanel || comp instanceof Box) {
            enableContainer((Container) comp, enable);
        } else {
            if (comp instanceof JTextField) {
                ((JTextField) comp).setEnabled(enable);
            } else if (!(comp instanceof JLabel)) {
                comp.setEnabled(enable);
            }
        }
    }
}

From source file:Main.java

public static void setAllOpaque(Container c, boolean opaque) {
    if (c instanceof JComponent) {
        ((JComponent) c).setOpaque(opaque);
        for (int i = 0; i < c.getComponentCount(); i++) {
            Component comp = c.getComponent(i);
            if (comp instanceof Container)
                setAllOpaque((Container) comp, opaque);
        }/*from   www  . j  av  a2 s . c  o  m*/
    }
}

From source file:Main.java

public static void disableBuffer(Component comp, ArrayList<JComponent> dbcomponents) {
    if ((comp instanceof JComponent) && comp.isDoubleBuffered()) {
        JComponent jcomponent = (JComponent) comp;

        dbcomponents.add(jcomponent);//ww w  .  ja va 2s  .  c  o m
        jcomponent.setDoubleBuffered(false);
    }

    if (comp instanceof Container) {
        Container container = (Container) comp;
        int count = container.getComponentCount();

        if (count > 0) {
            for (int i = 0; i < count; i++) {
                Component component = container.getComponent(i);

                disableBuffer(component, dbcomponents);
            }
        }
    }
}

From source file:Main.java

/**Devuelve el componente que tiene el actioncomand psComando*/
public static JComponent getComponente(Container poContenedor, String psAccion) {
    JComponent loResult = null;//from   w  w w .  j a v a2s . c o m
    for (int i = 0; i < poContenedor.getComponentCount() && loResult == null; i++) {
        Component loComp = poContenedor.getComponent(i);
        if (loResult == null && JButton.class.isAssignableFrom(loComp.getClass())) {
            if (((JButton) loComp).getActionCommand() != null
                    && ((JButton) loComp).getActionCommand().equals(psAccion)) {
                loResult = ((JButton) loComp);
            }
        }
        if (loResult == null && JLabel.class.isAssignableFrom(loComp.getClass())) {
            if (((JLabel) loComp).getName() != null && ((JLabel) loComp).getName().equals(psAccion)) {
                loResult = ((JLabel) loComp);
            }
        }
        if (loResult == null && JComboBox.class.isAssignableFrom(loComp.getClass())) {
            if (((JComboBox) loComp).getName() != null && ((JComboBox) loComp).getName().equals(psAccion)) {
                loResult = ((JComboBox) loComp);
            }
        }
        if (loResult == null && JInternalFrame.class.isAssignableFrom(loComp.getClass())) {
            if (((JInternalFrame) loComp).getName() != null
                    && ((JInternalFrame) loComp).getName().equals(psAccion)) {
                loResult = ((JInternalFrame) loComp);
            }
        }
        if (loResult == null && Container.class.isAssignableFrom(loComp.getClass())) {
            loResult = getComponente(((Container) loComp), psAccion);
        }
        //            if(loComp.getClass().isAssignableFrom(JToolBar.class) ){
        //                loResult = getComponente(((JToolBar)loComp), psAccion);
        //            }
    }
    return loResult;
}

From source file:Main.java

/**
 * Returns first component placed in the specified container which is
 * instance of specified class type or null if none found.
 *
 * @param container// ww  w.j  ava 2 s.co  m
 *            container to look for component in
 * @param componentClass
 *            component class
 * @param recursive
 *            whether to check all subcontainers or not
 * @param <T>
 *            component class type
 * @return first component placed in the specified container which is
 *         instance of specified class type or null if none found
 */
public static <T extends Component> T getFirst(final Container container, final Class<T> componentClass,
        final boolean recursive) {
    for (int i = 0; i < container.getComponentCount(); i++) {
        final Component component = container.getComponent(i);
        if (componentClass.isInstance(component)) {
            return (T) component;
        }
        if (recursive) {
            if (component instanceof Container) {
                final T first = getFirst((Container) component, componentClass, recursive);
                if (first != null) {
                    return first;
                }
            }
        }
    }
    return null;
}

From source file:Main.java

/**
 * Returns map of container child components preferred sizes.
 *
 * @param container//from ww  w  . ja  va2  s .c o m
 *            container to process
 * @return map of container child components preferred sizes
 */
public static Map<Component, Dimension> getChildPreferredSizes(final Container container) {
    final int cc = container.getComponentCount();
    final Map<Component, Dimension> cps = new HashMap<Component, Dimension>(cc);
    for (int i = 0; i < cc; i++) {
        final Component component = container.getComponent(i);
        cps.put(component, component.getPreferredSize());
    }
    return cps;
}

From source file:Main.java

protected static void fillAllDescendants(Container c, Class findClass, boolean deep, Collection results) {
    if (findClass.isInstance(c)) {
        results.add(c);/*from   w  w w . j  a  v a2  s  . c o  m*/
        if (!deep)
            return;
    }
    for (int i = 0; i < c.getComponentCount(); i++) {
        Component comp = c.getComponent(i);
        if (comp instanceof Container)
            fillAllDescendants((Container) comp, findClass, deep, results);
    }
}