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

Example 46 with ActivityInterface

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

the class SequenceImpl 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 Sequence activity and its subActivities
 */
protected Element getArrows(SVGDocument doc) {
    Element subGroup = null;
    // Creating an SVG Container "g" to place the activities
    subGroup = doc.createElementNS(SVGNamespace.SVG_NAMESPACE, "g");
    // Checks for the subActivities
    if (subActivities != null) {
        ActivityInterface prevActivity = null;
        ActivityInterface activity = null;
        String id = null;
        SVGCoordinates exitCoords = null;
        SVGCoordinates entryCoords = null;
        Iterator<ActivityInterface> itr = subActivities.iterator();
        // Iterates through all the subActivities
        while (itr.hasNext()) {
            activity = itr.next();
            // Checks whether the previous activity is null
            if (prevActivity != null) {
                // Get the exit arrow coordinates of the previous activity
                exitCoords = prevActivity.getExitArrowCoords();
                // Get the entry arrow coordinates of the current activity
                entryCoords = activity.getEntryArrowCoords();
                // id is assigned with the id of the previous activity + id of the current activity
                id = prevActivity.getId() + "-" + activity.getId();
                /*Check whether the activity is a Throw activity, if so setCheck()= true
                      This check is done to remove the exit arrow coming from the Throw activity,as when the process
                      reaches
                       a Throw activity, the process terminates.
                    */
                if (activity instanceof ThrowImpl) {
                    setCheck(true);
                }
                if (prevActivity instanceof SourcesImpl || prevActivity instanceof SourceImpl || prevActivity instanceof TargetImpl || prevActivity instanceof TargetsImpl || activity instanceof SourcesImpl || activity instanceof SourceImpl || activity instanceof TargetImpl || activity instanceof TargetsImpl || prevActivity instanceof ThrowImpl) {
                // No exit arrow for Source or Target as it doesn't have an icon specified.
                // Checks whether the previous activity is a Throw activity, if so no exit arrow
                } else {
                    subGroup.appendChild(getArrowDefinition(doc, exitCoords.getXLeft(), exitCoords.getYTop(), entryCoords.getXLeft(), entryCoords.getYTop(), id));
                }
            }
            prevActivity = activity;
        }
    }
    return subGroup;
}

Example 47 with ActivityInterface

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

the class ForEachImpl 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 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 48 with ActivityInterface

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

the class ForEachImpl 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();
            }
            /*As ForEach 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() * 2) + getStartIconHeight() + getEndIconHeight());
        width += getXSpacing();
        // Set the Calculated dimensions for the SVG height and width
        dimensions.setWidth(width);
        dimensions.setHeight(height);
    }
    return dimensions;
}

Example 49 with ActivityInterface

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

the class ForEachImpl 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() / 4);
    // Positioning the endIcon
    int endXLeft = centreOfMyLayout - (getEndIconWidth() / 2);
    int endYTop = startYTop + dimensions.getHeight() + 15 - getEndIconHeight();
    ActivityInterface activity = null;
    Iterator<ActivityInterface> itr = getSubActivities().iterator();
    // Adjusting the childXLeft and childYTop positions
    int childYTop = yTop + getStartIconHeight() + getYSpacing();
    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);
        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 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 50 with ActivityInterface

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

the class ScopeImpl 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 Scope activity and its subActivities
 */
protected Element getArrows(SVGDocument doc) {
    if (subActivities != null) {
        Element subGroup = doc.createElementNS(SVGNamespace.SVG_NAMESPACE, "g");
        ActivityInterface prevActivity = null;
        ActivityInterface activity = null;
        String id = null;
        // Coordinates of the start icon exit arrow
        SVGCoordinates myStartCoords = getStartIconExitArrowCoords();
        // Coordinates of the end icon entry arrow
        SVGCoordinates myExitCoords = getEndIconEntryArrowCoords();
        // Coordinates of the start arrow of the EventHandler
        SVGCoordinates myStartEventCoords = getStartEventCoords();
        // Coordinates of the start arrow of the TerminationHandler
        SVGCoordinates myStartTerminationCoords = getStartTerminationCoords();
        // Coordinates of the start arrow of the CompensationHandler
        SVGCoordinates myStartCompensationCoords = getStartCompensationCoords();
        // Coordinates of the start arrow of the FaultHandler
        SVGCoordinates myStartFaultCoords = getStartFaultCoords();
        SVGCoordinates activityEntryCoords = null;
        SVGCoordinates activityExitCoords = null;
        Iterator<ActivityInterface> itr = subActivities.iterator();
        // Iterates through the subActivities
        while (itr.hasNext()) {
            activity = itr.next();
            // Gets the entry and exit coordinates of the iterated activity
            activityEntryCoords = activity.getEntryArrowCoords();
            activityExitCoords = activity.getExitArrowCoords();
            // id is assigned with the id of the previous activity + id of the current activity
            id = getId() + "-" + activity.getId();
            // defined.
            if (activity instanceof FaultHandlerImpl) {
                subGroup.appendChild(getArrowDefinition(doc, myStartFaultCoords.getXLeft(), myStartFaultCoords.getYTop(), activityEntryCoords.getXLeft(), activityEntryCoords.getYTop(), id));
            } else if (activity instanceof TerminationHandlerImpl) {
                subGroup.appendChild(getArrowDefinition(doc, myStartTerminationCoords.getXLeft(), myStartTerminationCoords.getYTop(), activityEntryCoords.getXLeft(), activityEntryCoords.getYTop(), id));
            } else if (activity instanceof CompensationHandlerImpl) {
                subGroup.appendChild(getArrowDefinition(doc, myStartCompensationCoords.getXLeft(), myStartCompensationCoords.getYTop(), activityEntryCoords.getXLeft(), activityEntryCoords.getYTop(), id));
            } else if (activity instanceof EventHandlerImpl) {
                subGroup.appendChild(getArrowDefinition(doc, myStartEventCoords.getXLeft(), myStartEventCoords.getYTop(), activityEntryCoords.getXLeft(), activityEntryCoords.getYTop(), id));
            } else {
                // If the activity is not a handler type, then the entry and the exit coordinates of the activity
                // are defined
                subGroup.appendChild(getArrowDefinition(doc, myStartCoords.getXLeft(), myStartCoords.getYTop(), activityEntryCoords.getXLeft(), activityEntryCoords.getYTop(), id));
                subGroup.appendChild(getArrowDefinition(doc, activityExitCoords.getXLeft(), activityExitCoords.getYTop(), myExitCoords.getXLeft(), myExitCoords.getYTop(), id));
            }
        }
        return subGroup;
    }
    return null;
}