/** @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent) */
public void actionPerformed(ActionEvent ae) {
super.actionPerformed(ae);
try {
/*Here the actions to delete a region.
We assume the only figs enclosed in a concurrent composite state
are concurrent region figs*/
Fig f = (Fig) TargetManager.getInstance().getFigTarget();
Fig encloser = null;
int height = 0;
Rectangle encBound;
Project p = ProjectManager.getManager().getCurrentProject();
if (Model.getFacade().isAConcurrentRegion(f.getOwner())) encloser = f.getEnclosingFig();
Vector nodesInside;
nodesInside = ((Vector) encloser.getEnclosedFigs().clone());
int index = nodesInside.indexOf(f);
Rectangle r = f.getBounds();
encBound = encloser.getBounds();
if (Model.getFacade().isAConcurrentRegion(f.getOwner())) p.moveToTrash(f.getOwner());
// It wasnt the last region
if (index < nodesInside.size() - 1) {
Rectangle rFig = ((Fig) nodesInside.elementAt(index + 1)).getBounds();
height = rFig.y - r.y;
for (int i = ++index; i < nodesInside.size(); i++)
((FigNodeModelElement) nodesInside.elementAt(i)).displace(0, -height);
}
// It was the last region
else height = r.height + 4;
/*When only one concurrent region remains it must be erased and the
composite state sets non concurent*/
if (((Vector) encloser.getEnclosedFigs()).size() == 1) {
f = ((Fig) encloser.getEnclosedFigs().elementAt(0));
nodesInside = ((Vector) f.getEnclosedFigs());
Model.getStateMachinesHelper().setConcurrent(encloser.getOwner(), false);
if (!nodesInside.isEmpty()) {
for (int i = 0; i < nodesInside.size(); i++) {
FigStateVertex curFig = (FigStateVertex) nodesInside.elementAt(i);
curFig.setEnclosingFig(encloser);
}
}
p.moveToTrash(f.getOwner());
}
} catch (Exception ex) {
LOG.error(ex);
}
}
/**
* Handle a refresh of the style panel after the fig has moved.
*
* <p><em>Warning</em>. There is a circular trap here. Editing the boundary box will also trigger
* a refresh, and so we reset the boundary box, which causes funny behaviour (the cursor keeps
* jumping to the end of the text).
*
* <p>The solution is to not reset the boundary box field if the boundaries have not changed.
*
* <p>
*/
public void refresh() {
Fig target = getPanelTarget();
if (target instanceof FigEdgeModelElement) {
hasEditableBoundingBox(false);
} else {
hasEditableBoundingBox(true);
}
if (target == null) return;
// The boundary box as held in the target fig, and as listed in
// the
// boundary box style field (null if we don't have anything
// valid)
Rectangle figBounds = target.getBounds();
Rectangle styleBounds = parseBBox();
// Only reset the text if the two are not the same (i.e the fig
// has
// moved, rather than we've just edited the text, when
// setTargetBBox()
// will have made them the same). Note that styleBounds could
// be null,
// so we do the test this way round.
if (!(figBounds.equals(styleBounds))) {
bboxField.setText(
figBounds.x + "," + figBounds.y + "," + figBounds.width + "," + figBounds.height);
}
// Change the fill colour
if (target.getFilled()) {
Color c = target.getFillColor();
fillField.setSelectedItem(c);
if (c != null && !fillField.getSelectedItem().equals(c)) {
fillField.insertItemAt(c, fillField.getItemCount() - 1);
fillField.setSelectedItem(c);
}
} else {
fillField.setSelectedIndex(0);
}
// Change the line colour
if (target.getLineWidth() > 0) {
Color c = target.getLineColor();
lineField.setSelectedItem(c);
if (c != null && !lineField.getSelectedItem().equals(c)) {
lineField.insertItemAt(c, lineField.getItemCount() - 1);
lineField.setSelectedItem(c);
}
} else {
lineField.setSelectedIndex(0);
}
}
/**
* Change the bounds of the target fig. Called whenever the bounds box is edited.
*
* <p>Format of the bounds is four integers representing x, y, width and height separated by
* spaces or commas. An empty field is treated as no change and leading and trailing spaces are
* ignored.
*
* <p><em>Note</em>. There is a note in the old code that more work might be needed, because this
* could change the graph model. I don't see how that could ever be.
*/
protected void setTargetBBox() {
Fig target = getPanelTarget();
// Can't do anything if we don't have a fig.
if (target == null) {
return;
}
// Parse the boundary box text. Null is
// returned if it is empty or
// invalid, which causes no change. Otherwise we tell
// GEF we are making
// a change, make the change and tell GEF we've
// finished.
Rectangle bounds = parseBBox();
if (bounds == null) {
return;
}
if (!target.getBounds().equals(bounds)) {
target.setBounds(bounds.x, bounds.y, bounds.width, bounds.height);
target.endTrans();
}
}
/**
* Parse the boundary box string and return the rectangle it represents.
*
* <p>The syntax are four integers separated by spaces or commas. We ignore leading and trailing
* blanks.
*
* <p>If we have the empty string we return <code>null</code>.
*
* <p>If we fail to parse, then we return <code>null</code> and print out a rude message.
*
* <p>
*
* @return The size of the box, or <code>null</code> if the bounds string is empty or invalid.
*/
protected Rectangle parseBBox() {
Fig target = getPanelTarget();
// Get the text in the field, and don't do anything if the
// field is
// empty.
String bboxStr = bboxField.getText().trim();
if (bboxStr.length() == 0) {
return null;
} // Parse the string as if
// possible
Rectangle res = new Rectangle();
java.util.StringTokenizer st = new java.util.StringTokenizer(bboxStr, ", ");
try {
boolean changed = false;
if (!st.hasMoreTokens()) {
return target.getBounds();
}
res.x = Integer.parseInt(st.nextToken());
if (!st.hasMoreTokens()) {
res.y = target.getBounds().y;
res.width = target.getBounds().width;
res.height = target.getBounds().height;
return res;
}
res.y = Integer.parseInt(st.nextToken());
if (!st.hasMoreTokens()) {
res.width = target.getBounds().width;
res.height = target.getBounds().height;
return res;
}
res.width = Integer.parseInt(st.nextToken());
if ((res.width + res.x) > 6000) {
res.width = 6000 - res.x;
changed = true;
}
if (!st.hasMoreTokens()) {
res.width = target.getBounds().width;
return res;
}
res.height = Integer.parseInt(st.nextToken());
if ((res.height + res.y) > 6000) {
res.height = 6000 - res.y;
changed = true;
}
if (res.x < 0 || res.y < 0 || res.width < 0 || res.height < 0) {
throw new IllegalArgumentException();
}
if (changed) {
StringBuffer sb = new StringBuffer();
sb.append(Integer.toString(res.x));
sb.append(",");
sb.append(Integer.toString(res.y));
sb.append(",");
sb.append(Integer.toString(res.width));
sb.append(",");
sb.append(Integer.toString(res.height));
bboxField.setText(sb.toString());
}
} catch (NumberFormatException ex) {
bboxField.setBackground(Color.RED);
return null;
} catch (IllegalArgumentException iae) {
bboxField.setBackground(Color.RED);
return null;
}
bboxField.setBackground(null);
return res;
}