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

Example 11 with ActivityInterface

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

the class ActivityImpl method getSubActivitiesSVGString.

/**
 * @param doc SVG document which defines the components including shapes, gradients etc. of the subActivities
 * @return Element(represents an element in a XML/HTML document) which contains the components of the subActivities
 */
public Element getSubActivitiesSVGString(SVGDocument doc) {
    Iterator<ActivityInterface> itr = subActivities.iterator();
    ActivityInterface activity = null;
    Element subElement = doc.createElementNS(SVGNamespace.SVG_NAMESPACE, "g");
    // Iterates through the subActivities
    while (itr.hasNext()) {
        activity = itr.next();
        // Embeds the Element returned by each subActivity(which contains the components of the subActivities)
        // into the SVG container <g>
        subElement.appendChild(activity.getSVGString(doc));
        // Get the name of the activity
        name = activity.getId();
    }
    return subElement;
}

Example 12 with ActivityInterface

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

the class ActivityImpl 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 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 13 with ActivityInterface

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

the class ElseImpl 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);
    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 14 with ActivityInterface

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

the class ElseImpl 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 15 with ActivityInterface

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

the class ElseImpl 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 Else 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;
}