41 lines
982 B
Go
41 lines
982 B
Go
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package utils
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import "github.com/vugu/vugu"
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// AttributesAppend can be used to dynamically add entries to AttrMap attributes.
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// This way you can add a class to a component that will not be overwritten by attributes set by the parent.
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type AttributesAppend struct {
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AttrMap vugu.AttrMap
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Classes string
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}
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// AttributeList returns an attribute list corresponding to this map using the rules from VGNode.AddAttrInterface.
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func (a AttributesAppend) AttributeList() (ret []vugu.VGAttribute) {
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combinedClasses := a.Classes
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if a.AttrMap != nil {
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if attrMapClassInt, ok := a.AttrMap["class"]; ok {
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if attrMapClass, ok := attrMapClassInt.(string); ok {
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if combinedClasses != "" {
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combinedClasses += " "
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}
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combinedClasses += attrMapClass
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}
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}
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}
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var n vugu.VGNode
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if combinedClasses != "" {
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n.AddAttrInterface("class", combinedClasses)
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}
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for k := range a.AttrMap {
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if k != "class" {
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n.AddAttrInterface(k, a.AttrMap[k])
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}
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}
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return n.Attr
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}
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