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

Example 16 with ActivityInterface

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

the class EventHandlerImpl method layoutVertical.

/**
 * Sets the x and y positions of the activities
 * At the start: startXLeft=0, startYTop=0
 * centreOfMyLayout- center of the the SVG
 *
 * @param startXLeft x-coordinate
 * @param startYTop  y-coordinate
 */
public void layoutVertical(int startXLeft, int startYTop) {
    // Aligns the activities to the center of the layout
    int centreOfMyLayout = startXLeft + (dimensions.getWidth() / 2);
    // Positioning the startIcon
    int xLeft = centreOfMyLayout - (getStartIconWidth() / 2);
    int yTop = startYTop + (getYSpacing() / 2);
    // Positioning the endIcon
    int endXLeft = centreOfMyLayout - (getEndIconWidth() / 2);
    int endYTop = startYTop + dimensions.getHeight() - getEndIconHeight() - (getYSpacing() / 2);
    ActivityInterface activity = null;
    Iterator<ActivityInterface> itr = getSubActivities().iterator();
    // Adjusting the childXLeft and childYTop positions
    int childYTop = startYTop + (getYSpacing() / 2);
    int childXLeft = startXLeft + (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 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 17 with ActivityInterface

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

the class ElseIfImpl 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() {
    // Exit arrow coordinates are calculated by invoking getStartIconExitArrowCoords()
    SVGCoordinates coords = getStartIconExitArrowCoords();
    // Checks for any subActivities
    if (subActivities != null && subActivities.size() > 0) {
        ActivityInterface activity = subActivities.get(subActivities.size() - 1);
        coords = activity.getExitArrowCoords();
    }
    // Returns the calculated coordinate points of the exit arrow
    return coords;
}

Example 18 with ActivityInterface

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

the class ElseIfImpl 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;
        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();
            }
            /*As ElseIf should increase in height when the number of subActivities increase, height of each
                subActivity
                  is added to the height of the main/composite activity
                */
            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 19 with ActivityInterface

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

the class ElseIfImpl method layoutVertical.

/**
 * 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 layoutVertical(int startXLeft, int startYTop) {
    // Aligns the activities to the center of the layout
    int centreOfMyLayout = startXLeft + (dimensions.getWidth() / 2);
    // Positioning the startIcon
    int xLeft = centreOfMyLayout - (getStartIconWidth() / 2);
    int yTop = startYTop + (getYSpacing() / 2);
    ActivityInterface activity = null;
    Iterator<ActivityInterface> itr = getSubActivities().iterator();
    // Adjusting the childXLeft and childYTop positions
    int childYTop = yTop + getStartIconHeight() + (getYSpacing() / 2);
    int childXLeft;
    // Iterates through all the subActivities
    while (itr.hasNext()) {
        activity = itr.next();
        // Sets the xLeft position of the iterated activity : childXleft= center of the layout - (width of the
        // activity icon)/2
        childXLeft = centreOfMyLayout - activity.getDimensions().getWidth() / 2;
        // Sets the xLeft and yTop position of the iterated activity
        activity.layout(childXLeft, childYTop);
        childYTop += activity.getDimensions().getHeight();
    }
    // 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 20 with ActivityInterface

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

the class ElseIfImpl 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 ElseIf 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(SVGNamespace.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;
}