use of org.wso2.carbon.bpel.ui.bpel2svg.SVGCoordinates in project carbon-business-process by wso2.
the class ElseImpl method getArrows.
/**
* Get the arrow coordinates of the activities
*
* @param doc SVG document which defines the components including shapes, gradients etc. of the activity
* @return An element which contains the arrow coordinates of the Else activity and its subActivities
*/
protected Element getArrows(SVGDocument doc) {
// Checks for the subActivities
if (subActivities != null) {
ActivityInterface prevActivity = null;
ActivityInterface activity = null;
String id = null;
ActivityInterface seqActivity = null;
SVGCoordinates myStartCoords = getStartIconExitArrowCoords();
// SVGCoordinates myExitCoords = getEndIconEntryArrowCoords();
SVGCoordinates exitCoords = null;
SVGCoordinates activityEntryCoords = null;
// SVGCoordinates activityExitCoords = null;
Iterator<ActivityInterface> itr = subActivities.iterator();
// Creating an SVG Container "g"
Element subGroup = doc.createElementNS(SVG_NAMESPACE, "g");
// Iterates through all the subActivities
while (itr.hasNext()) {
activity = itr.next();
// Gets the entry and exit coordinates of the iterated activity
activityEntryCoords = activity.getEntryArrowCoords();
/*If the activity is a Sequence, then all the subActivities inside the Sequence is iterated and
checked for
any Throw activities inside it.
If a Throw activity is present : throwOrNot =true ,
Else : throwOrNot =false
*/
if (activity instanceof SequenceImpl) {
List<ActivityInterface> sub = activity.getSubActivities();
Iterator<ActivityInterface> as = sub.iterator();
while (as.hasNext()) {
seqActivity = as.next();
if (seqActivity instanceof ThrowImpl) {
throwOrNot = true;
break;
} else {
throwOrNot = false;
}
}
}
// Checks whether the activity is a Throw activity
if (activity instanceof ThrowImpl) {
throwOrNot = true;
}
// Checks whether the previous activity is null
if (prevActivity != null) {
// Get the exit arrow coordinates of the previous activity
exitCoords = prevActivity.getExitArrowCoords();
// id is assigned with the id of the previous activity + id of the current activity
id = prevActivity.getId() + "-" + activity.getId();
/*If the previous activity is not null, then arrow flow is from the previous activity to the
current activity
This gives the coordinates of the start point and the end point
*/
subGroup.appendChild(getArrowDefinition(doc, exitCoords.getXLeft(), exitCoords.getYTop(), activityEntryCoords.getXLeft(), activityEntryCoords.getYTop(), id));
} else {
/*If the previous activity is null, then arrow flow is directly from the startIcon to the activity
This gives the coordinates of the start point and the end point
*/
subGroup.appendChild(getArrowDefinition(doc, myStartCoords.getXLeft(), myStartCoords.getYTop(), activityEntryCoords.getXLeft(), activityEntryCoords.getYTop(), id));
}
// current activity is assigned to the previous activity
prevActivity = activity;
}
return subGroup;
}
return null;
}
use of org.wso2.carbon.bpel.ui.bpel2svg.SVGCoordinates in project carbon-business-process by wso2.
the class EventHandlerImpl method getExitArrowCoords.
/**
* At the start: xLeft=0, yTop=0
* Calculates the coordinates of the arrow which leaves an activity
*
* @return coordinates/exit point of the exit arrow for the activities
*/
@Override
public SVGCoordinates getExitArrowCoords() {
int xLeft = 0;
int yTop = 0;
if (layoutManager.isVerticalLayout()) {
xLeft = getEndIconXLeft() + (getEndIconWidth() / 2);
yTop = getEndIconYTop() + getEndIconHeight();
} else {
xLeft = getEndIconXLeft() + getEndIconWidth();
yTop = getEndIconYTop() + (getEndIconHeight() / 2);
}
// Returns the calculated coordinate points of the exit arrow
SVGCoordinates coords = new SVGCoordinates(xLeft, yTop);
return coords;
}
use of org.wso2.carbon.bpel.ui.bpel2svg.SVGCoordinates in project carbon-business-process by wso2.
the class EventHandlerImpl method getEntryArrowCoords.
/**
* At the start: xLeft=0, yTop=0
* Calculates the coordinates of the arrow which enters an activity
*
* @return coordinates/entry point of the entry arrow for the activities
* After Calculations(Vertical Layout): xLeft=Xleft of Icon + (width of icon)/2 , yTop= Ytop of the Icon
*/
@Override
public SVGCoordinates getEntryArrowCoords() {
int xLeft = 0;
int yTop = 0;
if (layoutManager.isVerticalLayout()) {
xLeft = getDimensions().getXLeft() + (getDimensions().getWidth() / 2);
yTop = getDimensions().getYTop() + BOX_MARGIN;
} else {
xLeft = getDimensions().getXLeft() + BOX_MARGIN;
yTop = getDimensions().getYTop() + (getDimensions().getHeight() / 2);
}
// Returns the calculated coordinate points of the entry arrow
SVGCoordinates coords = new SVGCoordinates(xLeft, yTop);
return coords;
}
use of org.wso2.carbon.bpel.ui.bpel2svg.SVGCoordinates in project carbon-business-process by wso2.
the class ProcessImpl method getEndEntryArrowCoords.
/**
* At the start: xLeft= xLeft of endIcon + (width of endIcon)/2, yTop= yTop of endIcon
* Calculates the coordinates of the entry arrow of the end activity
*
* @return coordinates/exit point of the entry arrow for the end activity
*/
public SVGCoordinates getEndEntryArrowCoords() {
int xLeft = getEndIconXLeft() + (getEndIconWidth() / 2);
int yTop = getEndIconYTop();
if (!layoutManager.isVerticalLayout()) {
xLeft = getEndIconXLeft();
yTop = getEndIconYTop() + (getEndIconHeight() / 2);
}
// Returns the calculated coordinate points of the entry arrow for end activity
SVGCoordinates coords = new SVGCoordinates(xLeft, yTop);
return coords;
}
use of org.wso2.carbon.bpel.ui.bpel2svg.SVGCoordinates in project carbon-business-process by wso2.
the class SequenceImpl method getExitArrowCoords.
/**
* At the start: Xleft of Icon + (width of icon)/2 , yTop= Ytop of the Icon
* Calculates the coordinates of the arrow which leaves an activity
*
* @return coordinates/exit point of the exit arrow for the activities
*/
@Override
public SVGCoordinates getExitArrowCoords() {
int xLeft = getStartIconXLeft() + (getStartIconWidth() / 2);
int yTop = getStartIconYTop();
SVGCoordinates coords = null;
if (layoutManager.isVerticalLayout()) {
// Sets the coordinates of the arrow
coords = new SVGCoordinates(xLeft, yTop);
} else {
coords = new SVGCoordinates(yTop, xLeft);
}
// Check Sub Activities
if (subActivities != null && subActivities.size() > 0) {
ActivityInterface activity = subActivities.get(subActivities.size() - 1);
// Get the exit arrow coordinate for each subActivity
coords = activity.getExitArrowCoords();
}
// Returns the calculated coordinate points of the exit arrow
return coords;
}
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