Solves cassowary constraints.
Typically clients will create a solver, addConstraints, and then call flushUpdates to actually solve the constraints.
Constructors
- Solver()
Properties
- hashCode → int
-
Get a hash code for this object.
read-only, inherited - runtimeType → Type
-
A representation of the runtime type of the object.
read-only, inherited
Operators
-
operator ==(
other) → bool -
The equality operator.
inherited
Methods
-
addConstraint(
Constraint constraint) → Result -
Attempts to add an individual Constraint to the solver.
-
addConstraints(
List<Constraint> constraints) → Result -
Attempts to add the constraints in the list to the solver. If it cannot add any for some reason, a cleanup is attempted so that either all constraints will be added or none.
-
addEditVariable(
Variable variable, double priority) → Result -
Attempt to add a single edit Variable to the Solver at the given priority. No edit variables may be added to the Solver at
Priority.required. -
addEditVariables(
List<Variable> variables, double priority) → Result -
Adds a list of edit Variables to the Solver at a given priority. Either all edit Variable are added or none. No edit variables may be added at
Priority.required. -
flushUpdates(
) → Set -
Flush the results of solver. The set of all
contextobjects associated with variables in the Solver is returned. If a Variable does not contain an associated context, its updates are ignored. -
hasConstraint(
Constraint constraint) → bool -
Returns whether the given Constraint is present in the solver.
-
hasEditVariable(
Variable variable) → bool -
Returns whether the given edit Variable is present in the solver.
-
removeConstraint(
Constraint constraint) → Result -
Attempt to remove an individual Constraint from the solver.
-
removeConstraints(
List<Constraint> constraints) → Result -
Attempts to remove a list of constraints from the solver. Either all constraints are removed or none. If more fine-grained control over the removal is required (for example, not failing on removal of constraints not already present in the solver), try removing the each Constraint individually and check the result on each attempt.
-
removeEditVariable(
Variable variable) → Result -
Attempt to remove the specified edit Variable from the solver.
-
removeEditVariables(
List<Variable> variables) → Result -
Attempt the remove the list of edit Variable from the solver. Either all the specified edit variables are removed or none.
-
suggestValueForVariable(
Variable variable, double value) → Result -
Suggest an updated value for the edit variable. The edit variable must already be added to the solver.
-
toString(
) → String -
Returns a string representation of this object.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a non-existent method or property is accessed.
inherited