/** Calculate the minimum and preferred size for every row and column. */
private void calculateSizes() {
Dimension dim[] = new Dimension[child.size()];
for (int i = 0; i < dim.length; i++) dim[i] = child.get(i).widget.getMinimumSize();
minRowSize = calculateRequiredSizes(dim, true);
minColSize = calculateRequiredSizes(dim, false);
for (int i = 0; i < dim.length; i++) {
ChildInfo info = child.get(i);
LayoutInfo layout = (info.layout == null ? defaultLayout : info.layout);
dim[i] = layout.getPreferredSize(info.widget);
}
prefRowSize = calculateRequiredSizes(dim, true);
prefColSize = calculateRequiredSizes(dim, false);
}
/**
* Layout the child Widgets. This may be invoked whenever something has changed (the size of this
* WidgetContainer, the preferred size of one of its children, etc.) that causes the layout to no
* longer be correct. If a child is itself a WidgetContainer, its layoutChildren() method will be
* called in turn.
*/
public void layoutChildren() {
if (minColSize == null) calculateSizes();
Dimension size = getComponent().getSize();
int rowPos[] = calculatePositions(minRowSize, prefRowSize, rowWeight, size.height);
int colPos[] = calculatePositions(minColSize, prefColSize, colWeight, size.width);
Rectangle cell = new Rectangle();
for (int i = 0; i < child.size(); i++) {
ChildInfo info = child.get(i);
LayoutInfo layout = (info.layout == null ? defaultLayout : info.layout);
cell.x = (info.x == 0 ? 0 : colPos[info.x - 1]);
cell.y = (info.y == 0 ? 0 : rowPos[info.y - 1]);
cell.width = colPos[info.x + info.width - 1] - cell.x;
cell.height = rowPos[info.y + info.height - 1] - cell.y;
info.widget.getComponent().setBounds(layout.getWidgetLayout(info.widget, cell));
if (info.widget instanceof WidgetContainer) ((WidgetContainer) info.widget).layoutChildren();
}
}
public LayoutInfo copyOfThisLayoutInfo() {
LayoutInfo copyI = new LayoutInfo();
for (NodeLayout nl : nodes) {
copyI.addNodeLayout(nl.processID, nl.nodeID, nl.cofactor, nl.x, nl.y);
}
for (EdgeLayout el : edges) {
ArrayList<LayoutPoint> copyBends = new ArrayList<LayoutPoint>();
for (LayoutPoint lp : el.bends) {
copyBends.add(new LayoutPoint(lp.x, lp.y));
}
copyI.addEdgeLayout(
el.sourcepid,
el.sourceNode,
el.scofactor,
el.targetpid,
el.targetNode,
el.tcofactor,
copyBends);
}
return copyI;
}
public int compare(LayoutInfo i1, LayoutInfo i2) {
LayoutBox box1 = i1.getExactLayoutBox();
LayoutBox box2 = i2.getExactLayoutBox();
return (box1.size() < box2.size() ? -1 : (box1.size() == box2.size() ? 0 : 1));
}
public static void main(String[] args) {
LayoutInfo info = new LayoutInfo();
System.out.println(info.toXMLString());
}
/**
* to check if the two layouts' exact box overlapping
*
* @see binevi.View.LayoutInfo#overlapLayoutBox(LayoutBox)
*/
public boolean overlapLayoutBox(LayoutInfo i) {
LayoutBox b2 = i.getExactLayoutBox();
return overlapLayoutBox(b2);
}