Example usage for javax.swing Spring constant

List of usage examples for javax.swing Spring constant

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Introduction

In this page you can find the example usage for javax.swing Spring constant.

Prototype

public static Spring constant(int pref)

Source Link

Document

Returns a strut -- a spring whose minimum, preferred, and maximum values each have the value pref.

Usage

From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame("SpringLayout");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container contentPane = frame.getContentPane();

    // Set the content pane's layout to a SpringLayout
    SpringLayout springLayout = new SpringLayout();
    contentPane.setLayout(springLayout);

    // Add two JButtons to the content pane
    JButton b1 = new JButton("Button 1");
    JButton b2 = new JButton("Button Second");

    // Create Constraints objects for b1 and b2
    SpringLayout.Constraints b1c = new SpringLayout.Constraints();
    SpringLayout.Constraints b2c = new SpringLayout.Constraints();

    // Create a Spring object for y value for b1 and b2
    Spring yPadding = Spring.constant(20);

    // Set (10, 20) for (x, y) for b1
    b1c.setX(Spring.constant(10));
    b1c.setY(yPadding);/*from w  w w.  j a  v a 2s.  c  om*/

    // Set (150, 20) for (x, y) for b2
    b2c.setX(Spring.constant(150));
    b2c.setY(yPadding);

    // Use the Constraints object while adding b1 and b2
    contentPane.add(b1, b1c);
    contentPane.add(b2, b2c);

    frame.pack();
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    SpringLayout layout = new SpringLayout();
    JPanel p = new JPanel(layout);
    p.setBorder(BorderFactory.createLineBorder(Color.GREEN, 10));

    JLabel l1 = new JLabel("label: width=90%", SwingConstants.CENTER);
    l1.setBorder(BorderFactory.createLineBorder(Color.RED, 1));
    JButton l2 = new JButton("button: width=50%");

    Spring panelw = layout.getConstraint(WIDTH, p);

    SpringLayout.Constraints c1 = layout.getConstraints(l1);
    c1.setX(Spring.constant(0));
    c1.setY(Spring.constant(20));
    c1.setWidth(Spring.scale(panelw, 0.9f));
    p.add(l1);//w  w w  . j  a  v  a2s.co m

    SpringLayout.Constraints c2 = layout.getConstraints(l2);
    c2.setWidth(Spring.scale(panelw, 0.5f));
    layout.putConstraint(SOUTH, l2, -20, SOUTH, p);
    layout.putConstraint(EAST, l2, -20, EAST, p);
    p.add(l2);

    JFrame f = new JFrame();
    f.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    f.getContentPane().add(p);
    f.setSize(320, 240);
    f.setVisible(true);
}

From source file:SpringDemo4.java

public static void main(String[] args) {
    JFrame frame = new JFrame("SpringDemo4");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    // Set up the content pane.
    Container contentPane = frame.getContentPane();
    SpringLayout layout = new SpringLayout();
    contentPane.setLayout(layout);// w  ww .  j  a  v  a 2  s. com

    // Create and add the components.
    JLabel label = new JLabel("Label: ");
    JTextField textField = new JTextField("Text field", 15);
    contentPane.add(label);
    contentPane.add(textField);

    // Adjust constraints for the label so it's at (5,5).
    SpringLayout.Constraints labelCons = layout.getConstraints(label);
    labelCons.setX(Spring.constant(5));
    labelCons.setY(Spring.constant(5));

    // Adjust constraints for the text field so it's at
    // (<label's right edge> + 5, 5).
    SpringLayout.Constraints textFieldCons = layout.getConstraints(textField);
    textFieldCons.setX(Spring.sum(Spring.constant(5), labelCons.getConstraint(SpringLayout.EAST)));
    textFieldCons.setY(Spring.constant(5));

    // Adjust constraints for the content pane.
    setContainerSize(contentPane, 5);

    // Display the window.
    frame.pack();
    frame.setVisible(true);
}

From source file:Main.java

/**
 * @param minimumSize minimum size -- used to insantiate returned Spring
 * @param spr springs to get summed with the minimum size
 * @return summed spring//  w  w  w .  j  av  a 2 s.  c  o m
 */
public static Spring springSum(int minimumSize, Spring... spr) {
    Spring ret = Spring.constant(minimumSize);
    for (Spring aSpr : spr) {
        ret = ret.sum(ret, aSpr);
    }
    return ret;
}

From source file:Main.java

/**
 * Aligns the first <code>rows</code> <code>cols</code> components of <code>parent</code> in a grid. Each component in
 * a column is as wide as the maximum preferred width of the components in that column; height is similarly determined
 * for each row. The parent is made just big enough to fit them all.
 * /*from  w  w  w  . j  av  a2  s.  c  o  m*/
 * @param rows
 *          number of rows
 * @param cols
 *          number of columns
 * @param initialX
 *          x location to start the grid at
 * @param initialY
 *          y location to start the grid at
 * @param xPad
 *          x padding between cells
 * @param yPad
 *          y padding between cells
 */
public static void makeCompactGrid(Container parent, int rows, int cols, int initialX, int initialY, int xPad,
        int yPad) {

    parent.setMaximumSize(new Dimension(Integer.MAX_VALUE, parent.getPreferredSize().height));
    SpringLayout layout;
    try {
        layout = (SpringLayout) parent.getLayout();
    } catch (ClassCastException exc) {
        System.err.println("The first argument to makeCompactGrid must use SpringLayout.");
        return;
    }

    // Align all cells in each column and make them the same width.
    Spring x = Spring.constant(initialX);
    for (int c = 0; c < cols; c++) {
        Spring width = Spring.constant(0);
        for (int r = 0; r < rows; r++) {
            width = Spring.max(width, getConstraintsForCell(r, c, parent, cols).getWidth());
        }
        for (int r = 0; r < rows; r++) {
            SpringLayout.Constraints constraints = getConstraintsForCell(r, c, parent, cols);
            constraints.setX(x);
            constraints.setWidth(width);
        }
        x = Spring.sum(x, Spring.sum(width, Spring.constant(xPad)));
    }

    // Align all cells in each row and make them the same height.
    Spring y = Spring.constant(initialY);
    for (int r = 0; r < rows; r++) {
        Spring height = Spring.constant(0);
        for (int c = 0; c < cols; c++) {
            height = Spring.max(height, getConstraintsForCell(r, c, parent, cols).getHeight());
        }
        for (int c = 0; c < cols; c++) {
            SpringLayout.Constraints constraints = getConstraintsForCell(r, c, parent, cols);
            constraints.setY(y);
            constraints.setHeight(height);
        }
        y = Spring.sum(y, Spring.sum(height, Spring.constant(yPad)));
    }

    // Set the parent's size.
    SpringLayout.Constraints pCons = layout.getConstraints(parent);
    pCons.setConstraint(SpringLayout.SOUTH, y);
    pCons.setConstraint(SpringLayout.EAST, x);

}

From source file:CompassButtons.java

public CompassButtons(String terrain) {
    super("SpringLayout Compass Demo");
    setSize(500, 300);/*  w w w.  j  a v a  2s .  c  o m*/
    setDefaultCloseOperation(EXIT_ON_CLOSE);

    SpringLayout sl = new SpringLayout();
    Container c = getContentPane();
    c.setLayout(sl);

    int offset = 50; // gap between buttons and outside edge
    int w = 80; // width of buttons
    int h = 26; // height of buttons
    int border = 3; // border around viewport

    Spring offsetS = Spring.constant(offset);
    Spring borderS = Spring.constant(border);
    Spring widthS = Spring.constant(w);
    Spring halfWidthS = FractionSpring.half(widthS);
    Spring heightS = Spring.constant(h);
    Spring halfHeightS = FractionSpring.half(heightS);
    Spring leftEdgeS = sl.getConstraint(SpringLayout.WEST, c);
    Spring topEdgeS = sl.getConstraint(SpringLayout.NORTH, c);
    Spring rightEdgeS = sl.getConstraint(SpringLayout.EAST, c);
    Spring bottomEdgeS = sl.getConstraint(SpringLayout.SOUTH, c);
    Spring xCenterS = FractionSpring.half(rightEdgeS);
    Spring yCenterS = FractionSpring.half(bottomEdgeS);
    Spring leftBorder = Spring.sum(leftEdgeS, borderS);
    Spring topBorder = Spring.sum(topEdgeS, borderS);

    Spring northX = Spring.sum(xCenterS, Spring.minus(halfWidthS));
    Spring southY = Spring.sum(bottomEdgeS, Spring.minus(Spring.sum(heightS, offsetS)));
    Spring eastX = Spring.sum(rightEdgeS, Spring.minus(Spring.sum(widthS, offsetS)));
    Spring eastY = Spring.sum(yCenterS, Spring.minus(halfHeightS));

    c.add(nb, new SpringLayout.Constraints(northX, offsetS, widthS, heightS));
    c.add(sb, new SpringLayout.Constraints(northX, southY, widthS, heightS));

    c.add(wb);
    sl.getConstraints(wb).setX(offsetS);
    sl.getConstraints(wb).setY(eastY);
    sl.getConstraints(wb).setWidth(widthS);
    sl.getConstraints(wb).setHeight(heightS);

    c.add(eb);
    sl.getConstraints(eb).setX(eastX);
    sl.getConstraints(eb).setY(eastY);
    sl.getConstraints(eb).setWidth(widthS);
    sl.getConstraints(eb).setHeight(heightS);

    c.add(viewport); // this sets a bounds of (0,0,pref_width,pref_height)
    // The order here is important...need to have a valid width and height
    // in place before binding the (x,y) location
    sl.putConstraint(SpringLayout.SOUTH, viewport, Spring.minus(borderS), SpringLayout.SOUTH, c);
    sl.putConstraint(SpringLayout.EAST, viewport, Spring.minus(borderS), SpringLayout.EAST, c);
    sl.putConstraint(SpringLayout.NORTH, viewport, topBorder, SpringLayout.NORTH, c);
    sl.putConstraint(SpringLayout.WEST, viewport, leftBorder, SpringLayout.WEST, c);

    ImageIcon icon = new ImageIcon(getClass().getResource(terrain));
    viewport.setView(new JLabel(icon));

    // Hook up the buttons. See the CompassScroller class (on-line) for
    // details
    // on controlling the viewport.
    nb.setActionCommand(CompassScroller.NORTH);
    sb.setActionCommand(CompassScroller.SOUTH);
    wb.setActionCommand(CompassScroller.WEST);
    eb.setActionCommand(CompassScroller.EAST);
    CompassScroller scroller = new CompassScroller(viewport);
    nb.addActionListener(scroller);
    sb.addActionListener(scroller);
    eb.addActionListener(scroller);
    wb.addActionListener(scroller);

    setVisible(true);
}

From source file:layout.SpringDemo4.java

/**
 * Create the GUI and show it.  For thread safety,
 * this method should be invoked from the
 * event-dispatching thread.//  w  ww.j av  a 2  s  .co m
 */
private static void createAndShowGUI() {
    //Create and set up the window.
    JFrame frame = new JFrame("SpringDemo4");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    //Set up the content pane.
    Container contentPane = frame.getContentPane();
    SpringLayout layout = new SpringLayout();
    contentPane.setLayout(layout);

    //Create and add the components.
    JLabel label = new JLabel("Label: ");
    JTextField textField = new JTextField("Text field", 15);
    contentPane.add(label);
    contentPane.add(textField);

    //Adjust constraints for the label so it's at (5,5).
    SpringLayout.Constraints labelCons = layout.getConstraints(label);
    labelCons.setX(Spring.constant(5));
    labelCons.setY(Spring.constant(5));

    //Adjust constraints for the text field so it's at
    //(<label's right edge> + 5, 5).
    SpringLayout.Constraints textFieldCons = layout.getConstraints(textField);
    textFieldCons.setX(Spring.sum(Spring.constant(5), labelCons.getConstraint(SpringLayout.EAST)));
    textFieldCons.setY(Spring.constant(5));

    //Adjust constraints for the content pane.
    setContainerSize(contentPane, 5);

    //Display the window.
    frame.pack();
    frame.setVisible(true);
}

From source file:Main.java

/**
 * Aligns the first <code>rows</code> * <code>cols</code> components of <code>parent</code> in a grid. Each
 * component in a column is as wide as the maximum preferred width of the components in that column; height is
 * similarly determined for each row. The parent is made just big enough to fit them all.
 * /*from  w w  w.j ava  2  s . co  m*/
 * @param parent
 * 
 * @param rows
 *            number of rows
 * @param cols
 *            number of columns
 * @param initialX
 *            x location to start the grid at
 * @param initialY
 *            y location to start the grid at
 * @param xPad
 *            x padding between cells
 * @param yPad
 *            y padding between cells
 */
private static void makeSpringCompactGrid(Container parent, int rows, int cols, int initialX, int initialY,
        int xPad, int yPad) {

    SpringLayout layout = new SpringLayout();
    parent.setLayout(layout);

    // Align all cells in each column and make them the same width.
    Spring x = Spring.constant(initialX);
    for (int c = 0; c < cols; c++) {
        Spring width = Spring.constant(0);
        for (int r = 0; r < rows; r++) {
            width = Spring.max(width, getConstraintsForCell(r, c, parent, cols).getWidth());
        }
        for (int r = 0; r < rows; r++) {
            SpringLayout.Constraints constraints = getConstraintsForCell(r, c, parent, cols);
            constraints.setX(x);
            constraints.setWidth(width);
        }
        x = Spring.sum(x, Spring.sum(width, Spring.constant(xPad)));
    }

    // Align all cells in each row and make them the same height.
    Spring y = Spring.constant(initialY);
    for (int r = 0; r < rows; r++) {
        Spring height = Spring.constant(0);
        for (int c = 0; c < cols; c++) {
            height = Spring.max(height, getConstraintsForCell(r, c, parent, cols).getHeight());
        }
        for (int c = 0; c < cols; c++) {
            SpringLayout.Constraints constraints = getConstraintsForCell(r, c, parent, cols);
            constraints.setY(y);
            constraints.setHeight(height);
        }
        y = Spring.sum(y, Spring.sum(height, Spring.constant(yPad)));
    }

    // Set the parent's size.
    SpringLayout.Constraints pCons = layout.getConstraints(parent);
    pCons.setConstraint(SpringLayout.SOUTH, y);
    pCons.setConstraint(SpringLayout.EAST, x);
}

From source file:SpringDemo4.java

/**
 * Create the GUI and show it. For thread safety, this method should be
 * invoked from the event-dispatching thread.
 *///from w  w w  . j a v  a2  s . co  m
private static void createAndShowGUI() {
    //Make sure we have nice window decorations.
    JFrame.setDefaultLookAndFeelDecorated(true);

    //Create and set up the window.
    JFrame frame = new JFrame("SpringDemo4");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    //Set up the content pane.
    Container contentPane = frame.getContentPane();
    SpringLayout layout = new SpringLayout();
    contentPane.setLayout(layout);

    //Create and add the components.
    JLabel label = new JLabel("Label: ");
    JTextField textField = new JTextField("Text field", 15);
    contentPane.add(label);
    contentPane.add(textField);

    //Adjust constraints for the label so it's at (5,5).
    SpringLayout.Constraints labelCons = layout.getConstraints(label);
    labelCons.setX(Spring.constant(5));
    labelCons.setY(Spring.constant(5));

    //Adjust constraints for the text field so it's at
    //(<label's right edge> + 5, 5).
    SpringLayout.Constraints textFieldCons = layout.getConstraints(textField);
    textFieldCons.setX(Spring.sum(Spring.constant(5), labelCons.getConstraint(SpringLayout.EAST)));
    textFieldCons.setY(Spring.constant(5));

    //Adjust constraints for the content pane.
    setContainerSize(contentPane, 5);

    //Display the window.
    frame.pack();
    frame.setVisible(true);
}

From source file:SpringDemo4.java

public static void setContainerSize(Container parent, int pad) {
    SpringLayout layout = (SpringLayout) parent.getLayout();
    Component[] components = parent.getComponents();
    Spring maxHeightSpring = Spring.constant(0);
    SpringLayout.Constraints pCons = layout.getConstraints(parent);

    // Set the container's right edge to the right edge
    // of its rightmost component + padding.
    Component rightmost = components[components.length - 1];
    SpringLayout.Constraints rCons = layout.getConstraints(rightmost);
    pCons.setConstraint(SpringLayout.EAST,
            Spring.sum(Spring.constant(pad), rCons.getConstraint(SpringLayout.EAST)));

    // Set the container's bottom edge to the bottom edge
    // of its tallest component + padding.
    for (int i = 0; i < components.length; i++) {
        SpringLayout.Constraints cons = layout.getConstraints(components[i]);
        maxHeightSpring = Spring.max(maxHeightSpring, cons.getConstraint(SpringLayout.SOUTH));
    }/*from   ww  w .  j  a va  2s  .com*/
    pCons.setConstraint(SpringLayout.SOUTH, Spring.sum(Spring.constant(pad), maxHeightSpring));
}