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53 lines
975 B
Go
53 lines
975 B
Go
package input
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import (
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"strconv"
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"github.com/vugu/vugu"
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"golang.org/x/exp/slices"
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)
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// Tags provides a way for the user to add/remove entries from a slice.
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type Tags struct {
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AttrMap vugu.AttrMap
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Bind ListBinder // Binds the shown tags to some slice.
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fieldValue string
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}
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func (c *Tags) keyValuePairs() []ListKeyValuePair {
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if c.Bind == nil {
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return nil
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}
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return c.Bind.ListKeyValuePairs()
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}
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func (c *Tags) handleButtonAdd(event vugu.DOMEvent) {
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if c.Bind == nil {
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return
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}
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// Don't allow empty entries.
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if c.fieldValue == "" {
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return
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}
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// Don't allow duplicate entries.
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values := c.Bind.ListKeyValuePairs()
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if slices.ContainsFunc(values, func(k ListKeyValuePair) bool { return k.Value == c.fieldValue }) {
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return
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}
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c.Bind.ListAddKeyValuePair(strconv.Itoa(c.Bind.ListLen()), c.fieldValue)
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}
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func (c *Tags) handleButtonDelete(event vugu.DOMEvent, index int) {
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if c.Bind == nil {
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return
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}
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c.Bind.ListDeleteKey(strconv.Itoa(index))
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}
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