Example usage for javax.swing SpringLayout EAST

Introduction

In this page you can find the example usage for javax.swing SpringLayout EAST.

Prototype

String EAST

To view the source code for javax.swing SpringLayout EAST.

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Document

Specifies the right edge of a component's bounding rectangle.

Usage

From source file:MainClass.java

public SpringLayoutPanel() {

    SpringLayout layout = new SpringLayout();
    setLayout(layout);//from w w  w  .j  a  v  a 2  s.  co m

    JButton[] buttons = new JButton[6];
    for (int i = 0; i < buttons.length; i++) {
        buttons[i] = new JButton("Press " + (i + 1));
        add(buttons[i]);
    }

    Spring xSpring = Spring.constant(5, 15, 25);
    Spring ySpring = Spring.constant(10, 30, 50);
    Spring wSpring = Spring.constant(30, 80, 130);

    SpringLayout.Constraints buttonConstr = layout.getConstraints(buttons[0]);
    buttonConstr.setX(xSpring);
    buttonConstr.setY(ySpring);

    for (int i = 0; i < buttons.length; i++) {
        buttonConstr = layout.getConstraints(buttons[i]);
        buttonConstr.setHeight(ySpring);
        buttonConstr.setWidth(wSpring);

        if (i > 0) {
            layout.putConstraint(SpringLayout.WEST, buttons[i], xSpring, SpringLayout.EAST, buttons[i - 1]);
            layout.putConstraint(SpringLayout.NORTH, buttons[i], ySpring, SpringLayout.SOUTH, buttons[i - 1]);
        }
    }

    SpringLayout.Constraints constr = layout.getConstraints(this);
    constr.setConstraint(SpringLayout.EAST,
            Spring.sum(buttonConstr.getConstraint(SpringLayout.EAST), Spring.constant(15)));
    constr.setConstraint(SpringLayout.SOUTH,
            Spring.sum(buttonConstr.getConstraint(SpringLayout.SOUTH), Spring.constant(10)));

}

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From source file:layout.SpringDemo2.java

/**
 * Create the GUI and show it.  For thread safety,
 * this method should be invoked from the
 * event-dispatching thread.//  ww w . j a va2  s.c  o m
 */
private static void createAndShowGUI() {
    //Create and set up the window.
    JFrame frame = new JFrame("SpringDemo2");
    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).
    layout.putConstraint(SpringLayout.WEST, label, 5, SpringLayout.WEST, contentPane);
    layout.putConstraint(SpringLayout.NORTH, label, 5, SpringLayout.NORTH, contentPane);

    //Adjust constraints for the text field so it's at
    //(<label's right edge> + 5, 5).
    layout.putConstraint(SpringLayout.WEST, textField, 5, SpringLayout.EAST, label);
    layout.putConstraint(SpringLayout.NORTH, textField, 5, SpringLayout.NORTH, contentPane);

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

---

From source file:layout.SpringDemo3.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 a 2  s.  c  o  m
 */
private static void createAndShowGUI() {
    //Create and set up the window.
    JFrame frame = new JFrame("SpringDemo3");
    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).
    layout.putConstraint(SpringLayout.WEST, label, 5, SpringLayout.WEST, contentPane);
    layout.putConstraint(SpringLayout.NORTH, label, 5, SpringLayout.NORTH, contentPane);

    //Adjust constraints for the text field so it's at
    //(<label's right edge> + 5, 5).
    layout.putConstraint(SpringLayout.WEST, textField, 5, SpringLayout.EAST, label);
    layout.putConstraint(SpringLayout.NORTH, textField, 5, SpringLayout.NORTH, contentPane);

    //Adjust constraints for the content pane: Its right
    //edge should be 5 pixels beyond the text field's right
    //edge, and its bottom edge should be 5 pixels beyond
    //the bottom edge of the tallest component (which we'll
    //assume is textField).
    layout.putConstraint(SpringLayout.EAST, contentPane, 5, SpringLayout.EAST, textField);
    layout.putConstraint(SpringLayout.SOUTH, contentPane, 5, SpringLayout.SOUTH, textField);

    //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 . ja v  a2s . c om
 * @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);//from w  w  w.j  av  a 2  s .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  w w.  j  a  va2 s.c  om*/
 */
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:SpringDemo2.java

/**
 * Create the GUI and show it. For thread safety, this method should be
 * invoked from the event-dispatching thread.
 *//*from  w  ww.jav  a2s  .c  o 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("SpringDemo2");
    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).
    layout.putConstraint(SpringLayout.WEST, label, 5, SpringLayout.WEST, contentPane);
    layout.putConstraint(SpringLayout.NORTH, label, 5, SpringLayout.NORTH, contentPane);

    //Adjust constraints for the text field so it's at
    //(<label's right edge> + 5, 5).
    layout.putConstraint(SpringLayout.WEST, textField, 5, SpringLayout.EAST, label);
    layout.putConstraint(SpringLayout.NORTH, textField, 5, SpringLayout.NORTH, contentPane);

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

---

From source file:SpringDemo3.java

/**
 * Create the GUI and show it. For thread safety, this method should be
 * invoked from the event-dispatching thread.
 */// www  . j  a va2s.  c  o 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("SpringDemo3");
    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).
    layout.putConstraint(SpringLayout.WEST, label, 5, SpringLayout.WEST, contentPane);
    layout.putConstraint(SpringLayout.NORTH, label, 5, SpringLayout.NORTH, contentPane);

    //Adjust constraints for the text field so it's at
    //(<label's right edge> + 5, 5).
    layout.putConstraint(SpringLayout.WEST, textField, 5, SpringLayout.EAST, label);
    layout.putConstraint(SpringLayout.NORTH, textField, 5, SpringLayout.NORTH, contentPane);

    //Adjust constraints for the content pane: Its right
    //edge should be 5 pixels beyond the text field's right
    //edge, and its bottom edge should be 5 pixels beyond
    //the bottom edge of the tallest component (which we'll
    //assume is textField).
    layout.putConstraint(SpringLayout.EAST, contentPane, 5, SpringLayout.EAST, textField);
    layout.putConstraint(SpringLayout.SOUTH, contentPane, 5, SpringLayout.SOUTH, textField);

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

---

From source file:SpringDemo4.java

/**
 * Create the GUI and show it. For thread safety, this method should be
 * invoked from the event-dispatching thread.
 */// w  w  w. ja va  2  s  . c o  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  w  ww.  j a  va  2  s.  c  o  m
    pCons.setConstraint(SpringLayout.SOUTH, Spring.sum(Spring.constant(pad), maxHeightSpring));
}

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