use of org.wso2.carbon.humantask.core.engine.commands.Start 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);
}
use of org.wso2.carbon.humantask.core.engine.commands.Start 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;
}
use of org.wso2.carbon.humantask.core.engine.commands.Start in project carbon-business-process by wso2.
the class ElseIfImpl method getEndIconEntryArrowCoords.
/**
* At the start: xLeft=0, yTop=0
* Calculates the coordinates of the arrow which enters the end icon
*
* @return coordinates of the entry arrow for the end icon
* After Calculations(Vertical Layout): xLeft= Xleft of Icon + (width of icon)/2 , yTop= Ytop of the Icon
*/
protected SVGCoordinates getEndIconEntryArrowCoords() {
int xLeft = 0;
int yTop = 0;
if (layoutManager.isVerticalLayout()) {
xLeft = getEndIconXLeft() + (getEndIconWidth() / 2);
yTop = getEndIconYTop();
} else {
xLeft = getEndIconXLeft();
yTop = getEndIconYTop() + (getEndIconHeight() / 2);
}
// Returns the calculated coordinate points of the entry arrow of the endIcon
SVGCoordinates coords = new SVGCoordinates(xLeft, yTop);
return coords;
}
use of org.wso2.carbon.humantask.core.engine.commands.Start 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;
}
use of org.wso2.carbon.humantask.core.engine.commands.Start 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);
}
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