/** * Calculates the maximum size dimensions for the specified panal given the components in the * specified parent container. */ public Dimension maximumLayoutSize(Container target) { synchronized (target.getTreeLock()) { Dimension dim = new Dimension(0, 0); int size = actions.size(); if ((grip != null) && grip.isVisible()) { Dimension d = grip.getPreferredSize(); dim.width += d.width; dim.width += hgap; } Component last = null; for (int i = 0; i < size; i++) { Component comp = (Component) actions.elementAt(i); if (comp.isVisible()) { Dimension d = comp.getPreferredSize(); dim.width += d.width; dim.height = Math.max(dim.height, d.height); dim.width += hgap; last = comp; } } if (last != null) { Dimension prefSize = last.getPreferredSize(); Dimension maxSize = last.getMaximumSize(); if (prefSize != maxSize) { dim.width = dim.width - prefSize.width + maxSize.width; dim.height = Math.max(dim.height, maxSize.height); } } Insets insets = target.getInsets(); dim.width += insets.left + insets.right; dim.height += insets.top + insets.bottom; return dim; } }
/** Lays out the container in the specified panel. */ public void layoutContainer(Container target) { synchronized (target.getTreeLock()) { Insets insets = target.getInsets(); Dimension dim = target.getSize(); int fullHeight = dim.height; int bottom = dim.height - insets.bottom - 1; int top = 0 + insets.top; int left = insets.left; int maxPosition = dim.width - (insets.left + insets.right) - hgap; int right = dim.width - insets.right; maxPosition = right; int height = bottom - top; int size = actions.size(); int w, h; if ((grip != null) && grip.isVisible()) { Dimension d = grip.getPreferredSize(); grip.setBounds(left, top + vgap, d.width, bottom - top - 2 * vgap); left += d.width; left += hgap; } for (int i = 0; i < size; i++) { left += hgap; Component comp = (Component) actions.elementAt(i); Dimension d; Dimension minSize = comp.getMinimumSize(); if (i == size - 1) d = comp.getMaximumSize(); else d = comp.getPreferredSize(); w = d.width; h = Math.min(height, d.height); if ((left < maxPosition) && (left + w > maxPosition)) { if (maxPosition - left >= minSize.width) w = maxPosition - left; } comp.setBounds(left, (fullHeight - d.height) / 2, w, h); // if (i == size - 1) // d = comp.getMaximumSize(); // else // d = comp.getPreferredSize(); // if ((left + d.width) > right) // w = right - left; // else // w = d.width; // h = Math.min (height, d.height); // comp.setBounds (left, (fullHeight - d.height)/2, w, h); left += d.width; } } }