/
mainui.go
246 lines (226 loc) · 5.82 KB
/
mainui.go
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package main
import (
"image"
"sort"
"github.com/mjl-/duit"
"github.com/mjl-/filterlist"
)
type mainUI struct {
hideLeftBars bool
noConnectionUI duit.UI
disconnect *duit.Button
status *duit.Label
connections *filterlist.Filterlist
connectionBox *duit.Box
splitKid *duit.Kid
split *duit.Split
duit.Box
}
func newMainUI(configs []connectionConfig) (ui *mainUI) {
ui = &mainUI{}
ui.connectionBox = &duit.Box{}
ui.noConnectionUI = middle(label("select a connection on the left"))
ui.connectionBox.Kids = duit.NewKids(ui.noConnectionUI)
connectionValues := make([]*duit.ListValue, len(configs)+1)
for i, c := range configs {
lv := &duit.ListValue{
Text: c.Name,
Value: newConnUI(c),
}
connectionValues[i] = lv
}
connectionValues[len(connectionValues)-1] = &duit.ListValue{
Text: "<new>",
Value: nil, // indicates this is the "new" entry
}
ui.sortConnections(connectionValues)
ui.connections = filterlist.NewFilterlist(dui, &duit.List{Values: connectionValues})
ui.connections.List.Changed = func(index int) (e duit.Event) {
ui.disconnect.Disabled = true
dui.MarkDraw(ui.disconnect)
lv := ui.connections.List.Values[index]
if !lv.Selected {
ui.connectionBox.Kids = duit.NewKids(ui.noConnectionUI)
dui.MarkLayout(ui)
return
}
if lv.Value == nil {
nop := func() {}
sUI := newSettingsUI(connectionConfig{Type: "postgres"}, true, nop)
ui.connectionBox.Kids = duit.NewKids(sUI)
dui.MarkLayout(ui)
dui.Focus(sUI.name)
return
}
cUI := lv.Value.(*connUI)
ui.disconnect.Disabled = cUI.db == nil
ui.connectionBox.Kids = duit.NewKids(cUI)
dui.MarkLayout(ui)
if cUI.db == nil {
dui.Focus(cUI.connect)
}
return
}
toggleSlim := &duit.Button{
Text: "toggle left",
Click: func() (e duit.Event) {
ui.hideLeftBars = !ui.hideLeftBars
ui.ensureLeftBars()
dui.MarkLayout(nil)
return
},
}
ui.disconnect = &duit.Button{
Text: "disconnect",
Disabled: true,
Click: func() (e duit.Event) {
dui.MarkLayout(nil)
l := ui.connections.List.Selected()
if len(l) != 1 {
return
}
lv := ui.connections.List.Values[l[0]]
cUI := lv.Value.(*connUI)
cUI.disconnect()
dui.Focus(ui.connections.Search)
return
},
}
ui.status = &duit.Label{}
ui.split = &duit.Split{
Gutter: 1,
Background: dui.Gutter,
Split: func(width int) []int {
return ui.splitDimensions(width)
},
Kids: duit.NewKids(
&duit.Box{
Kids: duit.NewKids(
duit.CenterUI(duit.SpaceXY(4, 2), &duit.Label{Text: "connections", Font: bold}),
ui.connections,
),
},
ui.connectionBox,
),
}
ui.Box.Kids = duit.NewKids(
&duit.Box{
Padding: duit.SpaceXY(4, 2),
Margin: image.Pt(4, 2),
Kids: duit.NewKids(toggleSlim, ui.disconnect, ui.status),
},
ui.split,
)
ui.splitKid = ui.Box.Kids[1]
ui.splitKid.ID = "connections"
return
}
func (ui *mainUI) splitDimensions(width int) []int {
if ui.hideLeftBars {
return []int{0, width}
}
first := dui.Scale(125)
if first > width/2 {
first = width / 2
}
return []int{first, width - first}
}
func (ui *mainUI) ensureLeftBars() {
width := ui.splitKid.R.Dx()
ui.split.Dimensions(dui, ui.splitDimensions(width))
if cUI, ok := ui.connectionBox.Kids[0].UI.(*connUI); ok {
cUI.ensureLeftBars()
}
}
func (ui *mainUI) layout() {
dui.MarkLayout(ui)
}
// essentially opens the "new settings" ui, but with the given config filled in.
func (ui *mainUI) duplicateSettings(c connectionConfig) {
var sUI *settingsUI
for _, lv := range ui.connections.List.Values {
if lv.Value == nil {
lv.Selected = true
nop := func() {}
sUI = newSettingsUI(c, true, nop)
ui.connectionBox.Kids = duit.NewKids(sUI)
if !ui.connections.Match(c.Name) {
ui.connections.Search.Text = lv.Text
ui.connections.Search.Changed("")
}
} else {
lv.Selected = false
}
}
ui.layout()
dui.Focus(sUI.name)
}
// sortConnections sorts values for a connection list by label (config name).
// "<new>" is always at the end.
func (ui *mainUI) sortConnections(l []*duit.ListValue) {
sort.Slice(l, func(i, j int) bool {
a, b := l[i], l[j]
if a.Value == nil || b.Value == nil {
return a.Value != nil
}
return a.Text < b.Text
})
}
// adds config as new connection to connectionst list.
// Called from main loop.
func (ui *mainUI) addNewConnection(c connectionConfig) {
ui.connections.List.Unselect(nil)
cUI := newConnUI(c)
lv := &duit.ListValue{
Text: c.Name,
Value: cUI,
Selected: true,
}
ui.connections.Values = append(ui.connections.Values, lv)
ui.sortConnections(ui.connections.Values)
if !ui.connections.Match(c.Name) {
ui.connections.Search.Text = c.Name
}
ui.connections.Filter()
ui.connectionBox.Kids = duit.NewKids(cUI)
ui.layout()
}
// updates the selected connection with the new config.
// called from main loop
func (ui *mainUI) updateSelectedConnection(c connectionConfig) {
index := ui.connections.List.Selected()[0]
lv := ui.connections.List.Values[index]
lv.Value.(*connUI).config = c
lv.Text = c.Name
ui.sortConnections(ui.connections.List.Values)
ui.sortConnections(ui.connections.Values)
if !ui.connections.Match(lv.Text) {
ui.connections.Search.Text = lv.Text
ui.connections.Search.Changed(lv.Text)
}
dui.MarkDraw(ui)
}
// deletes the selected connection.
// called from main loop
func (ui *mainUI) deleteSelectedConnection() {
values := []*duit.ListValue{}
for _, lv := range ui.connections.Values {
if !lv.Selected {
values = append(values, lv)
}
}
ui.connections.Values = values
ui.connections.Filter()
ui.connectionBox.Kids = duit.NewKids(ui.noConnectionUI)
ui.layout()
}
// saveConnects saves all current connection configs..
func (ui *mainUI) saveConnections() {
l := []connectionConfig{}
for _, lv := range ui.connections.Values {
if lv.Value != nil {
l = append(l, lv.Value.(*connUI).config)
}
}
go saveConnectionConfigs(l)
}