Method BuildLayout

gui/builder_layout.go:115–151

BuildLayout builds and returns a GridLayout with the specified attributes

(b *Builder, am map[string]interface{})

// BuildLayout builds and returns a GridLayout with the specified attributes
func (bl *BuilderLayoutGrid) BuildLayout(b *Builder, am map[string]interface{}) (ILayout, error) {

	// Get number of columns
	v := am[AttribCols]
	if v == nil {
		return nil, b.err(am, AttribCols, "Number of columns must be supplied")
	}
	cols := v.(int)
	if cols <= 0 {
		return nil, b.err(am, AttribCols, "Invalid number of columns")
	}

	// Creates layout
	l := NewGridLayout(cols)

	// Sets optional horizontal alignment
	if ah := am[AttribAlignh]; ah != nil {
		l.SetAlignH(ah.(Align))
	}

	// Sets optional vertical alignment
	if av := am[AttribAlignv]; av != nil {
		l.SetAlignV(av.(Align))
	}

	// Sets optional horizontal expand flag
	if eh := am[AttribExpandh]; eh != nil {
		l.SetExpandH(eh.(bool))
	}

	// Sets optional vertical expand flag
	if ev := am[AttribExpandv]; ev != nil {
		l.SetExpandV(ev.(bool))
	}

	return l, nil
}

// BuildParams builds and returns a pointer to GridLayoutParams with the specified attributes
func (bl *BuilderLayoutGrid) BuildParams(b *Builder, am map[string]interface{}) (interface{}, error) {