Example usage for javax.swing Spring sum

Introduction

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

Prototype

public static Spring sum(Spring s1, Spring s2) 

Source Link

Document

Returns s1+s2: a spring representing s1 and s2 in series.

Usage

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));
    }//w w w.  j av  a  2  s  . co  m
    pCons.setConstraint(SpringLayout.SOUTH, Spring.sum(Spring.constant(pad), maxHeightSpring));
}

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From source file:SpringBox.java

/**
 * Aligns the first <code>rows</code> * <code>cols</code> components of
 * <code>parent</code> in a grid. Each component is as big as the maximum
 * preferred width and height of the components. The parent is made just big
 * enough to fit them all.//  w w w  .j a va  2  s  .com
 * 
 * @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 makeGrid(Container parent, int rows, int cols, int initialX, int initialY, int xPad,
        int yPad) {
    SpringLayout layout;
    try {
        layout = (SpringLayout) parent.getLayout();
    } catch (ClassCastException exc) {
        System.err.println("The first argument to makeGrid must use SpringLayout.");
        return;
    }

    Spring xPadSpring = Spring.constant(xPad);
    Spring yPadSpring = Spring.constant(yPad);
    Spring initialXSpring = Spring.constant(initialX);
    Spring initialYSpring = Spring.constant(initialY);
    int max = rows * cols;

    // Calculate Springs that are the max of the width/height so that all
    // cells have the same size.
    Spring maxWidthSpring = layout.getConstraints(parent.getComponent(0)).getWidth();
    Spring maxHeightSpring = layout.getConstraints(parent.getComponent(0)).getWidth();
    for (int i = 1; i < max; i++) {
        SpringLayout.Constraints cons = layout.getConstraints(parent.getComponent(i));

        maxWidthSpring = Spring.max(maxWidthSpring, cons.getWidth());
        maxHeightSpring = Spring.max(maxHeightSpring, cons.getHeight());
    }

    // Apply the new width/height Spring. This forces all the
    // components to have the same size.
    for (int i = 0; i < max; i++) {
        SpringLayout.Constraints cons = layout.getConstraints(parent.getComponent(i));

        cons.setWidth(maxWidthSpring);
        cons.setHeight(maxHeightSpring);
    }

    // Then adjust the x/y constraints of all the cells so that they
    // are aligned in a grid.
    SpringLayout.Constraints lastCons = null;
    SpringLayout.Constraints lastRowCons = null;
    for (int i = 0; i < max; i++) {
        SpringLayout.Constraints cons = layout.getConstraints(parent.getComponent(i));
        if (i % cols == 0) { // start of new row
            lastRowCons = lastCons;
            cons.setX(initialXSpring);
        } else { // x position depends on previous component
            cons.setX(Spring.sum(lastCons.getConstraint(SpringLayout.EAST), xPadSpring));
        }

        if (i / cols == 0) { // first row
            cons.setY(initialYSpring);
        } else { // y position depends on previous row
            cons.setY(Spring.sum(lastRowCons.getConstraint(SpringLayout.SOUTH), yPadSpring));
        }
        lastCons = cons;
    }

    // Set the parent's size.
    SpringLayout.Constraints pCons = layout.getConstraints(parent);
    pCons.setConstraint(SpringLayout.SOUTH,
            Spring.sum(Spring.constant(yPad), lastCons.getConstraint(SpringLayout.SOUTH)));
    pCons.setConstraint(SpringLayout.EAST,
            Spring.sum(Spring.constant(xPad), lastCons.getConstraint(SpringLayout.EAST)));
}

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From source file:SpringBox.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  ww w  .ja va  2 s.  co  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) {
    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:TextInputDemo.java

/**
 * Aligns the first <code>rows</code> * <code>cols</code>
 * components of <code>parent</code> in
 * a grid. Each component is as big as the maximum
 * preferred width and height of the components.
 * The parent is made just big enough to fit them all.
 *
 * @param rows number of rows/*w ww . j a  va 2s .  c  o  m*/
 * @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 makeGrid(Container parent, int rows, int cols, int initialX, int initialY, int xPad,
        int yPad) {
    SpringLayout layout;
    try {
        layout = (SpringLayout) parent.getLayout();
    } catch (ClassCastException exc) {
        System.err.println("The first argument to makeGrid must use SpringLayout.");
        return;
    }

    Spring xPadSpring = Spring.constant(xPad);
    Spring yPadSpring = Spring.constant(yPad);
    Spring initialXSpring = Spring.constant(initialX);
    Spring initialYSpring = Spring.constant(initialY);
    int max = rows * cols;

    //Calculate Springs that are the max of the width/height so that all
    //cells have the same size.
    Spring maxWidthSpring = layout.getConstraints(parent.getComponent(0)).getWidth();
    Spring maxHeightSpring = layout.getConstraints(parent.getComponent(0)).getWidth();
    for (int i = 1; i < max; i++) {
        SpringLayout.Constraints cons = layout.getConstraints(parent.getComponent(i));

        maxWidthSpring = Spring.max(maxWidthSpring, cons.getWidth());
        maxHeightSpring = Spring.max(maxHeightSpring, cons.getHeight());
    }

    //Apply the new width/height Spring. This forces all the
    //components to have the same size.
    for (int i = 0; i < max; i++) {
        SpringLayout.Constraints cons = layout.getConstraints(parent.getComponent(i));

        cons.setWidth(maxWidthSpring);
        cons.setHeight(maxHeightSpring);
    }

    //Then adjust the x/y constraints of all the cells so that they
    //are aligned in a grid.
    SpringLayout.Constraints lastCons = null;
    SpringLayout.Constraints lastRowCons = null;
    for (int i = 0; i < max; i++) {
        SpringLayout.Constraints cons = layout.getConstraints(parent.getComponent(i));
        if (i % cols == 0) { //start of new row
            lastRowCons = lastCons;
            cons.setX(initialXSpring);
        } else { //x position depends on previous component
            cons.setX(Spring.sum(lastCons.getConstraint(SpringLayout.EAST), xPadSpring));
        }

        if (i / cols == 0) { //first row
            cons.setY(initialYSpring);
        } else { //y position depends on previous row
            cons.setY(Spring.sum(lastRowCons.getConstraint(SpringLayout.SOUTH), yPadSpring));
        }
        lastCons = cons;
    }

    //Set the parent's size.
    SpringLayout.Constraints pCons = layout.getConstraints(parent);
    pCons.setConstraint(SpringLayout.SOUTH,
            Spring.sum(Spring.constant(yPad), lastCons.getConstraint(SpringLayout.SOUTH)));
    pCons.setConstraint(SpringLayout.EAST,
            Spring.sum(Spring.constant(xPad), lastCons.getConstraint(SpringLayout.EAST)));
}

---

From source file:TextInputDemo.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.
 *
 * @param rows number of rows//  w ww . j a va  2 s .  c  o  m
 * @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) {
    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);
}

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