private void layoutHorizontal(int startXLeft, int startYTop) {
int centreOfMyLayout = startYTop + (dimensions.getHeight() / 2);
int xLeft = startXLeft + (getYSpacing() / 2);
int yTop = centreOfMyLayout - (getStartIconHeight() / 2);
int endXLeft = startXLeft + dimensions.getWidth() - getEndIconWidth() - (getYSpacing() / 2);
int endYTop = centreOfMyLayout - (getEndIconHeight() / 2);
ActivityInterface activity = null;
Iterator<ActivityInterface> itr = getSubActivities().iterator();
int childXLeft = xLeft + getStartIconWidth() + (getYSpacing() / 2);
int childYTop = startYTop + (getXSpacing() / 2);
while (itr.hasNext()) {
activity = itr.next();
activity.layout(childXLeft, childYTop);
childXLeft += activity.getDimensions().getWidth();
}
// Set the values
setStartIconXLeft(xLeft);
setStartIconYTop(yTop);
setEndIconXLeft(endXLeft);
setEndIconYTop(endYTop);
getDimensions().setXLeft(startXLeft);
getDimensions().setYTop(startYTop);
}
private Element getLinkArrows(SVGDocument doc) {
Element group = doc.createElementNS("http://www.w3.org/2000/svg", "g");
if (links != null && !links.isEmpty()) {
Set linksSet = links.entrySet();
Iterator linksIterator = linksSet.iterator();
while (linksIterator.hasNext()) {
Map.Entry<String, Link> link = (Map.Entry<String, Link>) linksIterator.next();
ActivityInterface startActivity = link.getValue().getSource();
ActivityInterface endActivity = link.getValue().getTarget();
String linkName = link.getKey();
// Element pathGroup = doc.createElementNS("http://www.w3.org/2000/svg", "g");
// group.setAttributeNS("xlink", "title", linkName);
group.appendChild(
drawLink(
doc,
startActivity.getExitArrowCoords().getXLeft(),
startActivity.getExitArrowCoords().getYTop(),
endActivity.getEntryArrowCoords().getXLeft(),
endActivity.getEntryArrowCoords().getYTop(),
startActivity.getStartIconWidth(),
link.getKey(),
linkName));
// group.appendChild(pathGroup);
}
}
return group;
}
protected Element getArrows(SVGDocument doc) {
Element group = doc.createElementNS("http://www.w3.org/2000/svg", "g");
if (subActivities != null) {
ActivityInterface startActivity = subActivities.get(0);
ActivityInterface endActivity = subActivities.get(subActivities.size() - 1);
startActivity = endActivity; // Should ignore event/fault handlers
org.wso2.carbon.bpel.ui.bpel2svg.SVGCoordinates exitCoords = getExitArrowCoords();
group.appendChild(
getArrowDefinition(
doc,
exitCoords.getXLeft(),
exitCoords.getYTop(),
startActivity.getEntryArrowCoords().getXLeft(),
startActivity.getEntryArrowCoords().getYTop(),
name,
startActivity,
endActivity));
org.wso2.carbon.bpel.ui.bpel2svg.SVGCoordinates entryCoords = getEndEntryArrowCoords();
group.appendChild(
getArrowDefinition(
doc,
endActivity.getExitArrowCoords().getXLeft(),
endActivity.getExitArrowCoords().getYTop(),
entryCoords.getXLeft(),
entryCoords.getYTop(),
name,
startActivity,
endActivity));
}
return group;
}
@Override
public SVGDimension getDimensions() {
if (dimensions == null) {
int width = 0;
int height = 0;
dimensions = new SVGDimension(width, height);
org.wso2.carbon.bpel.ui.bpel2svg.SVGDimension subActivityDim = null;
ActivityInterface activity = null;
Iterator<ActivityInterface> itr = getSubActivities().iterator();
try {
while (itr.hasNext()) {
activity = itr.next();
subActivityDim = activity.getDimensions();
if (subActivityDim.getWidth() > width) {
width += subActivityDim.getWidth();
}
height += subActivityDim.getHeight();
}
} catch (NoSuchElementException e) {
log.error("Invalid Element access", e);
// throw new Exception("Error in reading Dimensions", e);
}
height += ((getYSpacing() * 2) + getStartIconHeight() + getEndIconHeight());
width += getXSpacing();
dimensions.setWidth(width);
dimensions.setHeight(height);
layoutManager.setSvgHeight(height);
layoutManager.setSvgWidth(width);
if (!layoutManager.isVerticalLayout()) {
switchDimensionsToHorizontal();
}
}
return dimensions;
}