// Change border constraints to keep SelPoint inside window
public void setBorderConstraints(int r, int b) {
// Sanity check first
/*
* System.out.println("SP.setBordConstr: Passed (" + r + ", " + b + ")" + " this = " + this);
*/
if ((r < 10.0) || (b < 10.0)) return;
// Remove old border constraints if applicable
try {
if (rightBorderConstraint != null) solver.removeConstraint(rightBorderConstraint);
if (bottomBorderConstraint != null) solver.removeConstraint(bottomBorderConstraint);
} catch (CLInternalError e) {
System.out.println("SelPoint.setBC: CLInternalError!");
} catch (ConstraintNotFoundException e) {
System.out.println("SelPoint.setBC: CLConstraintNotFound!");
}
try {
rightBorderConstraint = new ClLinearInequality(clX, CL.LEQ, r);
bottomBorderConstraint = new ClLinearInequality(clY, CL.LEQ, b);
solver.addConstraint(rightBorderConstraint);
solver.addConstraint(bottomBorderConstraint);
} catch (CLInternalError e) {
System.out.println("SelPoint.setBC: CLInternalError!");
} catch (RequiredConstraintFailureException e) {
System.out.println("SelPoint.setBC: CLRequiredFailure!");
}
}
// Convert an (x, y) pair plus flags into a SelPoint
public SelPoint(
ClSimplexSolver solver,
int x,
int y,
boolean isSelected,
boolean isHighlighted,
int r,
int b) {
this.solver = solver;
this.x = x;
this.y = y;
this.isSelected = isSelected;
this.isHighlighted = isHighlighted;
editX = null;
editY = null;
clX = new ClVariable(this.x);
clY = new ClVariable(this.y);
rightBorderConstraint = null;
bottomBorderConstraint = null;
/*
* System.out.println("SP.SP: clX = " + clX + ", clY = " + clY);
*/
id = nextID++;
// Initialize ownership, interested lists
interCC = new ArrayList<ConstrComponent>(4);
interConstr = new ArrayList<Constraint>(4);
owner = null;
// Set stay constraints on point
try {
stayX = new ClStayConstraint(clX, ClStrength.weak, 1.0);
stayY = new ClStayConstraint(clY, ClStrength.weak, 1.0);
solver.addConstraint(stayX);
solver.addConstraint(stayY);
// Set within-window constraints on point
leftBorderConstraint = new ClLinearInequality(clX, CL.GEQ, 3.0);
topBorderConstraint = new ClLinearInequality(clY, CL.GEQ, 3.0);
solver.addConstraint(leftBorderConstraint);
solver.addConstraint(topBorderConstraint);
setBorderConstraints(r, b);
} catch (CLInternalError e) {
System.out.println("SelPoint constructor: ExCLInternalError!");
} catch (RequiredConstraintFailureException e) {
System.out.println("SelPoint constructor: ExCLInternalError!");
}
}
public void removeEditConstraints() {
try {
if (editX != null) solver.removeConstraint(editX);
if (editY != null) solver.removeConstraint(editY);
} catch (CLInternalError e) {
System.out.println("SelPoint.removeEC: CLInternalError!");
} catch (ConstraintNotFoundException e) {
System.out.println("SelPoint.removeEC: CLConstraintNotFound!");
}
editX = null;
editY = null;
}
// Set/remove the edit constraints associated with the SelPoint
public void setEditConstraints() {
editX = new ClEditConstraint(clX, ClStrength.strong);
editY = new ClEditConstraint(clY, ClStrength.strong);
try {
solver.addConstraint(editX);
solver.addConstraint(editY);
} catch (CLInternalError e) {
System.out.println("SelPoint.setEC: CLInternalError!");
} catch (RequiredConstraintFailureException e) {
System.out.println("SelPoint.setEC: CLRequiredFailure!");
}
}
// Remove all constraints associated with the point that it manages itself
public void removeAllConstraints() {
// Get rid of edit constraints first, if any
removeEditConstraints();
// Remove other constraints
try {
if (stayX != null) solver.removeConstraint(stayX);
if (stayY != null) solver.removeConstraint(stayY);
if (leftBorderConstraint != null) solver.removeConstraint(leftBorderConstraint);
if (topBorderConstraint != null) solver.removeConstraint(topBorderConstraint);
if (rightBorderConstraint != null) solver.removeConstraint(rightBorderConstraint);
if (bottomBorderConstraint != null) solver.removeConstraint(bottomBorderConstraint);
} catch (CLInternalError e) {
System.out.println("SelPoint.removeAllC: CLInternalError!");
} catch (ConstraintNotFoundException e) {
System.out.println("SelPoint.removeAllC: CLConstraintNotFound!");
}
stayX = null;
stayY = null;
leftBorderConstraint = null;
topBorderConstraint = null;
rightBorderConstraint = null;
bottomBorderConstraint = null;
}