Example usage for javax.swing JInternalFrame isClosed

Introduction

In this page you can find the example usage for javax.swing JInternalFrame isClosed.

Prototype

boolean isClosed

To view the source code for javax.swing JInternalFrame isClosed.

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Document

The frame has been closed.

Usage

From source file:SampleDesktop.java

public void actionPerformed(ActionEvent ev) {

    // How many frames do we have?
    JInternalFrame[] allframes = desk.getAllFrames();
    int count = allframes.length;
    if (count == 0)
        return;/* ww w  .j  a v a 2 s.  co m*/

    // Determine the necessary grid size
    int sqrt = (int) Math.sqrt(count);
    int rows = sqrt;
    int cols = sqrt;
    if (rows * cols < count) {
        cols++;
        if (rows * cols < count) {
            rows++;
        }
    }

    // Define some initial values for size & location.
    Dimension size = desk.getSize();

    int w = size.width / cols;
    int h = size.height / rows;
    int x = 0;
    int y = 0;

    // Iterate over the frames, deiconifying any iconified frames and then
    // relocating & resizing each.
    for (int i = 0; i < rows; i++) {
        for (int j = 0; j < cols && ((i * cols) + j < count); j++) {
            JInternalFrame f = allframes[(i * cols) + j];

            if (!f.isClosed() && f.isIcon()) {
                try {
                    f.setIcon(false);
                } catch (PropertyVetoException ignored) {
                }
            }

            desk.getDesktopManager().resizeFrame(f, x, y, w, h);
            x += w;
        }
        y += h; // start the next row
        x = 0;
    }
}

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