Examples with ActivityInterface org.wso2.carbon.bpel.ui.bpel2svg.ActivityInterface used on opensource projects

Example 6 with ActivityInterface

use of org.wso2.carbon.bpel.ui.bpel2svg.ActivityInterface in project carbon-business-process by wso2.

the class ProcessImpl method layoutHorizontal.

/**
 * Sets the x and y positions of the activities
 * At the start: startXLeft=0, startYTop=0
 *
 * @param startXLeft x-coordinate
 * @param startYTop  y-coordinate
 *                   centreOfMyLayout- center of the the SVG
 */
private void layoutHorizontal(int startXLeft, int startYTop) {
    // Aligns the activities to the center of the layout
    int centreOfMyLayout = startYTop + (dimensions.getHeight() / 2);
    // Positioning the startIcon
    int xLeft = startXLeft + (getYSpacing() / 2);
    int yTop = centreOfMyLayout - (getStartIconHeight() / 2);
    // Positioning the endIcon
    int endXLeft = startXLeft + dimensions.getWidth() - getEndIconWidth() - (getYSpacing() / 2);
    int endYTop = centreOfMyLayout - (getEndIconHeight() / 2);
    ActivityInterface activity = null;
    Iterator<ActivityInterface> itr = getSubActivities().iterator();
    // Adjusting the childXLeft and childYTop positions
    int childXLeft = xLeft + getStartIconWidth() + (getYSpacing() / 2);
    int childYTop = startYTop + (getXSpacing() / 2);
    // Iterates through all the subActivities
    while (itr.hasNext()) {
        activity = itr.next();
        // Sets the xLeft and yTop position of the iterated activity
        activity.layout(childXLeft, childYTop);
        childXLeft += activity.getDimensions().getWidth();
    }
    // Sets the xLeft and yTop positions of the start icon
    setStartIconXLeft(xLeft);
    setStartIconYTop(yTop);
    // Sets the xLeft and yTop positions of the end icon
    setEndIconXLeft(endXLeft);
    setEndIconYTop(endYTop);
    // Sets the xLeft and yTop positions of the SVG  of the process after setting the dimensions
    getDimensions().setXLeft(startXLeft);
    getDimensions().setYTop(startYTop);
}

Example 7 with ActivityInterface

use of org.wso2.carbon.bpel.ui.bpel2svg.ActivityInterface in project carbon-business-process by wso2.

the class SequenceImpl method getDimensions.

/**
 * At the start: width=0, height=0
 *
 * @return dimensions of the composite activity i.e. the final width and height after doing calculations by
 * iterating
 * through the dimensions of the subActivities
 */
@Override
public SVGDimension getDimensions() {
    if (dimensions == null) {
        int width = 0;
        int height = 0;
        // Set the dimensions at the start to (0,0)
        dimensions = new SVGDimension(width, height);
        // Dimensons of the subActivities
        SVGDimension subActivityDim = null;
        ActivityInterface activity = null;
        // Iterates through the subActivites inside the composite activity
        Iterator<ActivityInterface> itr = getSubActivities().iterator();
        while (itr.hasNext()) {
            activity = itr.next();
            // Gets the dimensions of each subActivity separately
            subActivityDim = activity.getDimensions();
            // Checks whether the width of the subActivity is greater than zero
            if (subActivityDim.getWidth() > width) {
                width += subActivityDim.getWidth();
            }
            if (activity instanceof RepeatUntilImpl || activity instanceof ForEachImpl || activity instanceof WhileImpl || activity instanceof IfImpl) {
                height += subActivityDim.getHeight() + getYSpacing();
            } else {
                height += subActivityDim.getHeight();
            }
        }
        /*After iterating through all the subActivities and altering the dimensions of the composite activity
              to get more spacing , Xspacing and Yspacing is added to the height and the width of the composite activity
            */
        height += getYSpacing() + getStartIconHeight();
        width += getXSpacing();
        // Set the Calculated dimensions for the SVG height and width
        dimensions.setWidth(width);
        dimensions.setHeight(height);
    }
    return dimensions;
}

Example 8 with ActivityInterface

use of org.wso2.carbon.bpel.ui.bpel2svg.ActivityInterface in project carbon-business-process by wso2.

the class SequenceImpl method layoutHorizontal.

/**
 * Sets the x and y positions of the activities
 * At the start: startXLeft=0, startYTop=0
 *
 * @param startXLeft x-coordinate
 * @param startYTop  y-coordinate
 *                   centreOfMyLayout- center of the the SVG
 */
public void layoutHorizontal(int startXLeft, int startYTop) {
    // Aligns the activities to the center of the layout
    int centreOfMyLayout = startYTop + (dimensions.getHeight() / 2);
    // Positioning the startIcon
    int xLeft = startXLeft + (getXSpacing() / 2);
    int yTop = centreOfMyLayout - (getStartIconHeight() / 2);
    ActivityInterface activity = null;
    Iterator<ActivityInterface> itr = getSubActivities().iterator();
    // Adjusting the childXLeft and childYTop positions
    int childYTop;
    int childXLeft = xLeft;
    // Iterates through all the subActivities
    while (itr.hasNext()) {
        activity = itr.next();
        // Sets the yTop position of the iterated activity : childYTop= center of layout -(height of the activity)/2
        childYTop = centreOfMyLayout - (activity.getDimensions().getHeight() / 2);
        // Sets the xLeft and yTop position of the iterated activity
        activity.layout(childXLeft, childYTop);
        childXLeft += activity.getDimensions().getWidth();
    }
    // Sets the xLeft and yTop positions of the start icon
    setStartIconXLeft(xLeft);
    setStartIconYTop(yTop);
    // Sets the xLeft and yTop positions of the start icon text
    setStartIconTextXLeft(startXLeft + BOX_MARGIN);
    setStartIconTextYTop(startYTop + BOX_MARGIN + BPEL2SVGFactory.TEXT_ADJUST);
    // Sets the xLeft and yTop positions of the SVG of the composite activity after setting the dimensions
    getDimensions().setXLeft(startXLeft);
    getDimensions().setYTop(startYTop);
}

Example 9 with ActivityInterface

use of org.wso2.carbon.bpel.ui.bpel2svg.ActivityInterface in project carbon-business-process by wso2.

the class SequenceImpl method getEntryArrowCoords.

/**
 * At the start: xLeft=Xleft of Icon + (width of icon)/2 , yTop= Ytop of the Icon
 * 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 = 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 for Sub Activities
    if (subActivities != null && subActivities.size() > 0) {
        ActivityInterface activity = subActivities.get(0);
        // Get the entry arrow coordinate for each subActivity
        coords = activity.getEntryArrowCoords();
    }
    // Returns the calculated coordinate points of the entry arrow
    return coords;
}

Example 10 with ActivityInterface

use of org.wso2.carbon.bpel.ui.bpel2svg.ActivityInterface in project carbon-business-process by wso2.

the class ActivityImpl method processSubActivities.

/**
 * Get the subactivites in the bpel process
 * Processes the subActivities each one separately, if the activity name matches any of the element tags
 * then the constructor of that activity implementation is invoked
 *
 * @param omElement process definition of the bpel process
 * @return activity
 */
public ActivityInterface processSubActivities(OMElement omElement) {
    ActivityInterface endActivity = null;
    // Checks whether omElement contains a value
    if (omElement != null) {
        ActivityInterface activity = null;
        Iterator iterator = omElement.getChildElements();
        // Iterates through the subActivities
        while (iterator.hasNext()) {
            OMElement tmpElement = (OMElement) iterator.next();
            if (tmpElement.getLocalName().equals(BPEL2SVGFactory.ASSIGN_START_TAG) && isIncludeAssigns()) {
                activity = new AssignImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.EMPTY_START_TAG)) {
                activity = new EmptyImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.CATCHALL_START_TAG)) {
                activity = new CatchAllImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.CATCH_START_TAG)) {
                activity = new CatchImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.COMPENSATESCOPE_START_TAG)) {
                activity = new CompensateScopeImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.COMPENSATE_START_TAG)) {
                activity = new CompensateImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.COMPENSATIONHANDLER_START_TAG)) {
                activity = new CompensationHandlerImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.ELSEIF_START_TAG)) {
                activity = new ElseIfImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.ELSE_START_TAG)) {
                activity = new ElseImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.EVENTHANDLER_START_TAG)) {
                activity = new EventHandlerImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.EXIT_START_TAG)) {
                activity = new ExitImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.FAULTHANDLER_START_TAG)) {
                activity = new FaultHandlerImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.FLOW_START_TAG)) {
                activity = new FlowImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.FOREACH_START_TAG)) {
                activity = new ForEachImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.IF_START_TAG)) {
                activity = new IfImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.INVOKE_START_TAG)) {
                activity = new InvokeImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.ONALARM_START_TAG)) {
                activity = new OnAlarmImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.ONEVENT_START_TAG)) {
                activity = new OnEventImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.ONMESSAGE_START_TAG)) {
                activity = new OnMessageImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.PICK_START_TAG)) {
                activity = new PickImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.PROCESS_START_TAG)) {
                activity = new ProcessImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.RECEIVE_START_TAG)) {
                activity = new ReceiveImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.REPEATUNTIL_START_TAG)) {
                activity = new RepeatUntilImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.REPLY_START_TAG)) {
                activity = new ReplyImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.RETHROW_START_TAG)) {
                activity = new ReThrowImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.SCOPE_START_TAG)) {
                activity = new ScopeImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.SEQUENCE_START_TAG)) {
                activity = new SequenceImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.SOURCE_START_TAG)) {
                // source
                activity = new SourceImpl(tmpElement, this);
                if (activity.getAttributes().get(0).getAttribute().equals("linkName")) {
                    if (links.containsKey(activity.getAttributes().get(0).getValue())) {
                        // if a entry for the particular link name already exists
                        links.get(activity.getAttributes().get(0).getValue()).setSource(this.parent);
                    } else {
                        // if the link name doesnot exist i.e. if the link is a new link
                        // Create a new Link object
                        Link link = new Link();
                        // Set the source(Start activity) as the parent activity
                        link.setSource(this.parent);
                        links.put(activity.getAttributes().get(0).getValue(), link);
                    }
                    // Add the parent activity of the activity to the source-list
                    sources.add(this.parent);
                }
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.SOURCES_START_TAG)) {
                activity = new SourcesImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.TARGET_START_TAG)) {
                // target;
                activity = new TargetImpl(tmpElement, this);
                if (activity.getAttributes().get(0).getAttribute().equals("linkName")) {
                    if (links.containsKey(activity.getAttributes().get(0).getValue())) {
                        // if a entry for the particular link name already exists
                        links.get(activity.getAttributes().get(0).getValue()).setTarget(this.parent);
                    } else {
                        // if the link name doesnot exist i.e. if the link is a new link
                        // Create a new Link object
                        Link link = new Link();
                        // Set the target(End activity) as the parent activity
                        link.setTarget(this.parent);
                        links.put(activity.getAttributes().get(0).getValue(), link);
                    }
                    // Add the parent activity of the activity to the target-list
                    targets.add(this.parent);
                }
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.TARGETS_START_TAG)) {
                activity = new TargetsImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.TERMINATIONHANDLER_START_TAG)) {
                activity = new TerminationHandlerImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.THROW_START_TAG)) {
                activity = new ThrowImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.WAIT_START_TAG)) {
                activity = new WaitImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(BPEL2SVGFactory.WHILE_START_TAG)) {
                activity = new WhileImpl(tmpElement, this);
            } else if (tmpElement.getLocalName().equals(getEndTag())) {
                break;
            } else {
                continue;
            }
            // Set the link properties i.e. the link name, source of the link and the target of the link
            activity.setLinkProperties(links, sources, targets);
            // Add the activity to the subActivities list
            subActivities.add(activity);
            // Checks if the activity has any child activities
            if (tmpElement.getChildElements().hasNext()) {
                // The child activities are processed again by invoking the same method recursively
                ActivityInterface replyActivity = activity.processSubActivities(tmpElement);
                if (replyActivity != null) {
                    subActivities.add(replyActivity);
                }
            }
            if (tmpElement.getLocalName().equals(BPEL2SVGFactory.PROCESS_START_TAG)) {
                break;
            }
        }
    }
    return endActivity;
}