1 files changed, 133 insertions, 0 deletions
diff --git a/lib/statusline/state.go b/lib/statusline/state.go
new file mode 100644
index 00000000..30029c13
--- /dev/null
+++ b/lib/statusline/state.go
@@ -0,0 +1,133 @@
+package statusline
+
+import (
+	"fmt"
+	"strings"
+)
+
+type State struct {
+	Name      string
+	Multiple  bool
+	Separator string
+
+	Connection   string
+	ConnActivity string
+	Connected    bool
+
+	Search         string
+	Filter         string
+	FilterActivity string
+
+	Threading   string
+	Passthrough string
+}
+
+func NewState(name string, multipleAccts bool, sep string) *State {
+	return &State{Name: name, Multiple: multipleAccts, Separator: sep}
+}
+
+func (s *State) String() string {
+	var line []string
+	if s.Connection != "" || s.ConnActivity != "" {
+		conn := s.Connection
+		if s.ConnActivity != "" {
+			conn = s.ConnActivity
+		}
+		if s.Multiple {
+			line = append(line, fmt.Sprintf("[%s] %s", s.Name, conn))
+		} else {
+			line = append(line, conn)
+		}
+	}
+	if s.Connected {
+		if s.FilterActivity != "" {
+			line = append(line, s.FilterActivity)
+		} else {
+			if s.Filter != "" {
+				line = append(line, s.Filter)
+			}
+		}
+		if s.Search != "" {
+			line = append(line, s.Search)
+		}
+		if s.Threading != "" {
+			line = append(line, s.Threading)
+		}
+		if s.Passthrough != "" {
+			line = append(line, s.Passthrough)
+		}
+	}
+	return strings.Join(line, s.Separator)
+}
+
+type SetStateFunc func(s *State)
+
+func Connected(state bool) SetStateFunc {
+	return func(s *State) {
+		s.ConnActivity = ""
+		s.Connected = state
+		if state {
+			s.Connection = "Connected"
+		} else {
+			s.Connection = "Disconnected"
+		}
+	}
+}
+
+func ConnectionActivity(desc string) SetStateFunc {
+	return func(s *State) {
+		s.ConnActivity = desc
+	}
+}
+
+func SearchFilterClear() SetStateFunc {
+	return func(s *State) {
+		s.Search = ""
+		s.FilterActivity = ""
+		s.Filter = ""
+	}
+}
+
+func FilterActivity(str string) SetStateFunc {
+	return func(s *State) {
+		s.FilterActivity = str
+	}
+}
+
+func FilterResult(str string) SetStateFunc {
+	return func(s *State) {
+		s.FilterActivity = ""
+		s.Filter = concatFilters(s.Filter, str)
+	}
+}
+
+func concatFilters(existing, next string) string {
+	if existing == "" {
+		return next
+	}
+	return fmt.Sprintf("%s && %s", existing, next)
+}
+
+func Search(desc string) SetStateFunc {
+	return func(s *State) {
+		s.Search = desc
+	}
+}
+
+func Threading(on bool) SetStateFunc {
+	return func(s *State) {
+		s.Threading = ""
+		if on {
+			s.Threading = "threading"
+		}
+	}
+}
+
+func Passthrough(on bool) SetStateFunc {
+	return func(s *State) {
+		s.Passthrough = ""
+		if on {
+			s.Passthrough = "passthrough"
+		}
+	}
+}