Function buildSplitter

gui/builder_panel.go:464–525

buildSplitter builds a gui object of type: HSplitterr or VSplitter

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

// buildSplitter builds a gui object of type: HSplitterr or VSplitter
func buildSplitter(b *Builder, am map[string]interface{}) (IPanel, error) {

	// Builds horizontal or vertical splitter
	var splitter *Splitter
	if am[AttribType].(string) == TypeHSplitter {
		splitter = NewHSplitter(0, 0)
	} else {
		splitter = NewVSplitter(0, 0)
	}

	// Sets common attributes
	err := b.SetAttribs(am, splitter)
	if err != nil {
		return nil, err
	}

	// Sets optional split value
	if v := am[AttribSplit]; v != nil {
		splitter.SetSplit(v.(float32))
	}

	// Internal function to set each of the splitter's panel attributes and items
	setpan := func(attrib string, pan *Panel) error {

		// Get internal panel attributes
		ipattribs := am[attrib]
		if ipattribs == nil {
			return nil
		}
		pattr := ipattribs.(map[string]interface{})
		// Set panel attributes
		err := b.SetAttribs(pattr, pan)
		if err != nil {
			return nil
		}
		// Builds panel children
		if pattr[AttribItems] != nil {
			items := pattr[AttribItems].([]map[string]interface{})
			for i := 0; i < len(items); i++ {
				item := items[i]
				child, err := b.build(item, pan)
				if err != nil {
					return err
				}
				pan.Add(child)
			}
		}
		return nil
	}

	// Set optional splitter panel's attributes
	err = setpan(AttribPanel0, &splitter.P0)
	if err != nil {
		return nil, err
	}
	err = setpan(AttribPanel1, &splitter.P1)
	if err != nil {
		return nil, err