Alexander/gomuks
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Move TagRoomList stuff into new file and split RoomList.Draw()

Browse Source
This commit is contained in:
Tulir Asokan 2018-05-22 18:30:25 +03:00
parent c87097627e
commit f5e07f40db
2 changed files with 392 additions and 374 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

450
ui/room-list.go
View File

@ -17,210 +17,23 @@
package ui package ui
import ( import (
"fmt"
"regexp" "regexp"
"strconv"
"strings" "strings"
"math" "math"
"maunium.net/go/gomuks/debug" "maunium.net/go/gomuks/debug"
"maunium.net/go/gomuks/matrix/rooms" "maunium.net/go/gomuks/matrix/rooms"
"maunium.net/go/gomuks/ui/widget"
"maunium.net/go/tcell" "maunium.net/go/tcell"
"maunium.net/go/tview" "maunium.net/go/tview"
) )
type orderedRoom struct {
*rooms.Room
order string
}
func newOrderedRoom(order string, room *rooms.Room) *orderedRoom {
return &orderedRoom{
Room: room,
order: order,
}
}
func convertRoom(room *rooms.Room) *orderedRoom {
return newOrderedRoom("0.5", room)
}
type tagRoomList struct {
rooms []*orderedRoom
maxShown int
}
func newTagRoomList(rooms ...*orderedRoom) *tagRoomList {
return &tagRoomList{
maxShown: 10,
rooms: rooms,
}
}
func (trl *tagRoomList) Visible() []*orderedRoom {
return trl.rooms[len(trl.rooms)-trl.Length():]
}
func (trl *tagRoomList) FirstVisible() *rooms.Room {
visible := trl.Visible()
if len(visible) > 0 {
return visible[len(visible)-1].Room
}
return nil
}
func (trl *tagRoomList) LastVisible() *rooms.Room {
visible := trl.Visible()
if len(visible) > 0 {
return visible[0].Room
}
return nil
}
func (trl *tagRoomList) All() []*orderedRoom {
return trl.rooms
}
func (trl *tagRoomList) Length() int {
if len(trl.rooms) < trl.maxShown {
return len(trl.rooms)
}
return trl.maxShown
}
func (trl *tagRoomList) TotalLength() int {
return len(trl.rooms)
}
func (trl *tagRoomList) IsEmpty() bool {
return len(trl.rooms) == 0
}
func (trl *tagRoomList) IsCollapsed() bool {
return trl.maxShown == 0
}
func (trl *tagRoomList) ToggleCollapse() {
if trl.IsCollapsed() {
trl.maxShown = 10
} else {
trl.maxShown = 0
}
}
func (trl *tagRoomList) HasInvisibleRooms() bool {
return trl.maxShown < trl.TotalLength()
}
func (trl *tagRoomList) HasVisibleRooms() bool {
return !trl.IsEmpty() && trl.maxShown > 0
}
// ShouldBeBefore returns if the first room should be after the second room in the room list.
// The manual order and last received message timestamp are considered.
func (trl *tagRoomList) ShouldBeAfter(room1 *orderedRoom, room2 *orderedRoom) bool {
orderComp := strings.Compare(room1.order, room2.order)
return orderComp == 1 || (orderComp == 0 && room2.LastReceivedMessage.After(room1.LastReceivedMessage))
}
func (trl *tagRoomList) Insert(order string, mxRoom *rooms.Room) {
room := newOrderedRoom(order, mxRoom)
trl.rooms = append(trl.rooms, nil)
// The default insert index is the newly added slot.
// That index will be used if all other rooms in the list have the same LastReceivedMessage timestamp.
insertAt := len(trl.rooms) - 1
// Find the spot where the new room should be put according to the last received message timestamps.
for i := 0; i < len(trl.rooms)-1; i++ {
if trl.ShouldBeAfter(room, trl.rooms[i]) {
insertAt = i
break
}
}
// Move newer rooms forward in the array.
for i := len(trl.rooms) - 1; i > insertAt; i-- {
trl.rooms[i] = trl.rooms[i-1]
}
// Insert room.
trl.rooms[insertAt] = room
}
func (trl *tagRoomList) String() string {
var str strings.Builder
fmt.Fprintln(&str, "&tagRoomList{")
fmt.Fprintf(&str, " maxShown: %d,\n", trl.maxShown)
fmt.Fprint(&str, " rooms: {")
for i, room := range trl.rooms {
if room == nil {
fmt.Fprintf(&str, "<<NIL>>")
} else {
fmt.Fprint(&str, room.ID)
}
if i != len(trl.rooms)-1 {
fmt.Fprint(&str, ", ")
}
}
fmt.Fprintln(&str, "},")
fmt.Fprintln(&str, "}")
return str.String()
}
func (trl *tagRoomList) Bump(mxRoom *rooms.Room) {
var found *orderedRoom
for i := 0; i < len(trl.rooms); i++ {
currentRoom := trl.rooms[i]
if found != nil {
if trl.ShouldBeAfter(found, trl.rooms[i]) {
// This room should be after the room being bumped, so insert the
// room being bumped here and return
trl.rooms[i-1] = found
return
}
// Move older rooms back in the array
trl.rooms[i-1] = currentRoom
} else if currentRoom.Room == mxRoom {
found = currentRoom
}
}
// If the room being bumped should be first in the list, it won't be inserted during the loop.
trl.rooms[len(trl.rooms)-1] = found
}
func (trl *tagRoomList) Remove(room *rooms.Room) {
trl.RemoveIndex(trl.Index(room))
}
func (trl *tagRoomList) RemoveIndex(index int) {
if index < 0 || index > len(trl.rooms) {
return
}
trl.rooms = append(trl.rooms[0:index], trl.rooms[index+1:]...)
}
func (trl *tagRoomList) Index(room *rooms.Room) int {
return trl.indexInList(trl.All(), room)
}
func (trl *tagRoomList) IndexVisible(room *rooms.Room) int {
return trl.indexInList(trl.Visible(), room)
}
func (trl *tagRoomList) indexInList(list []*orderedRoom, room *rooms.Room) int {
for index, entry := range list {
if entry.Room == room {
return index
}
}
return -1
}
type RoomList struct { type RoomList struct {
*tview.Box *tview.Box
// The list of tags in display order. // The list of tags in display order.
tags []string tags []string
// The list of rooms, in reverse order. // The list of rooms, in reverse order.
items map[string]*tagRoomList items map[string]*TagRoomList
// The selected room. // The selected room.
selected *rooms.Room selected *rooms.Room
selectedTag string selectedTag string
@ -238,7 +51,7 @@ type RoomList struct {
func NewRoomList() *RoomList { func NewRoomList() *RoomList {
list := &RoomList{ list := &RoomList{
Box: tview.NewBox(), Box: tview.NewBox(),
items: make(map[string]*tagRoomList), items: make(map[string]*TagRoomList),
tags: []string{"m.favourite", "net.maunium.gomuks.fake.direct", "", "m.lowpriority"}, tags: []string{"m.favourite", "net.maunium.gomuks.fake.direct", "", "m.lowpriority"},
scrollOffset: 0, scrollOffset: 0,
@ -248,14 +61,14 @@ func NewRoomList() *RoomList {
selectedBackgroundColor: tcell.ColorDarkGreen, selectedBackgroundColor: tcell.ColorDarkGreen,
} }
for _, tag := range list.tags { for _, tag := range list.tags {
list.items[tag] = newTagRoomList() list.items[tag] = NewTagRoomList(list, tag)
} }
return list return list
} }
func (list *RoomList) Contains(roomID string) bool { func (list *RoomList) Contains(roomID string) bool {
for _, tagRoomList := range list.items { for _, trl := range list.items {
for _, room := range tagRoomList.All() { for _, room := range trl.All() {
if room.ID == roomID { if room.ID == roomID {
return true return true
} }
@ -274,9 +87,9 @@ func (list *RoomList) Add(room *rooms.Room) {
func (list *RoomList) CheckTag(tag string) { func (list *RoomList) CheckTag(tag string) {
index := list.IndexTag(tag) index := list.IndexTag(tag)
tagRoomList, ok := list.items[tag] trl, ok := list.items[tag]
if ok && tagRoomList.IsEmpty() { if ok && trl.IsEmpty() {
//delete(list.items, tag) //delete(list.items, tag)
ok = false ok = false
} }
@ -290,13 +103,13 @@ func (list *RoomList) CheckTag(tag string) {
} }
func (list *RoomList) AddToTag(tag rooms.RoomTag, room *rooms.Room) { func (list *RoomList) AddToTag(tag rooms.RoomTag, room *rooms.Room) {
tagRoomList, ok := list.items[tag.Tag] trl, ok := list.items[tag.Tag]
if !ok { if !ok {
list.items[tag.Tag] = newTagRoomList(convertRoom(room)) list.items[tag.Tag] = NewTagRoomList(list, tag.Tag, convertRoom(room))
return return
} }
tagRoomList.Insert(tag.Order, room) trl.Insert(tag.Order, room)
list.CheckTag(tag.Tag) list.CheckTag(tag.Tag)
} }
@ -307,27 +120,27 @@ func (list *RoomList) Remove(room *rooms.Room) {
} }
func (list *RoomList) RemoveFromTag(tag string, room *rooms.Room) { func (list *RoomList) RemoveFromTag(tag string, room *rooms.Room) {
tagRoomList, ok := list.items[tag] trl, ok := list.items[tag]
if !ok { if !ok {
return return
} }
index := tagRoomList.Index(room) index := trl.Index(room)
if index == -1 { if index == -1 {
return return
} }
tagRoomList.RemoveIndex(index) trl.RemoveIndex(index)
if tagRoomList.IsEmpty() { if trl.IsEmpty() {
// delete(list.items, tag) // delete(list.items, tag)
} }
if room == list.selected { if room == list.selected {
if index > 0 { if index > 0 {
list.selected = tagRoomList.All()[index-1].Room list.selected = trl.All()[index-1].Room
} else if tagRoomList.Length() > 0 { } else if trl.Length() > 0 {
list.selected = tagRoomList.Visible()[0].Room list.selected = trl.Visible()[0].Room
} else if len(list.items) > 0 { } else if len(list.items) > 0 {
for _, tag := range list.tags { for _, tag := range list.tags {
moreItems := list.items[tag] moreItems := list.items[tag]
@ -346,19 +159,19 @@ func (list *RoomList) RemoveFromTag(tag string, room *rooms.Room) {
func (list *RoomList) Bump(room *rooms.Room) { func (list *RoomList) Bump(room *rooms.Room) {
for _, tag := range room.Tags() { for _, tag := range room.Tags() {
tagRoomList, ok := list.items[tag.Tag] trl, ok := list.items[tag.Tag]
if !ok { if !ok {
return return
} }
tagRoomList.Bump(room) trl.Bump(room)
} }
} }
func (list *RoomList) Clear() { func (list *RoomList) Clear() {
list.items = make(map[string]*tagRoomList) list.items = make(map[string]*TagRoomList)
list.tags = []string{"m.favourite", "net.maunium.gomuks.fake.direct", "", "m.lowpriority"} list.tags = []string{"m.favourite", "net.maunium.gomuks.fake.direct", "", "m.lowpriority"}
for _, tag := range list.tags { for _, tag := range list.tags {
list.items[tag] = newTagRoomList() list.items[tag] = NewTagRoomList(list, tag)
} }
list.selected = nil list.selected = nil
list.selectedTag = "" list.selectedTag = ""
@ -406,9 +219,9 @@ func (list *RoomList) AddScrollOffset(offset int) {
func (list *RoomList) First() (string, *rooms.Room) { func (list *RoomList) First() (string, *rooms.Room) {
for _, tag := range list.tags { for _, tag := range list.tags {
tagRoomList := list.items[tag] trl := list.items[tag]
if tagRoomList.HasVisibleRooms() { if trl.HasVisibleRooms() {
return tag, tagRoomList.FirstVisible() return tag, trl.FirstVisible()
} }
} }
return "", nil return "", nil
@ -417,9 +230,9 @@ func (list *RoomList) First() (string, *rooms.Room) {
func (list *RoomList) Last() (string, *rooms.Room) { func (list *RoomList) Last() (string, *rooms.Room) {
for tagIndex := len(list.tags) - 1; tagIndex >= 0; tagIndex-- { for tagIndex := len(list.tags) - 1; tagIndex >= 0; tagIndex-- {
tag := list.tags[tagIndex] tag := list.tags[tagIndex]
tagRoomList := list.items[tag] trl := list.items[tag]
if tagRoomList.HasVisibleRooms() { if trl.HasVisibleRooms() {
return tag, tagRoomList.LastVisible() return tag, trl.LastVisible()
} }
} }
return "", nil return "", nil
@ -441,28 +254,28 @@ func (list *RoomList) Previous() (string, *rooms.Room) {
return list.First() return list.First()
} }
tagRoomList := list.items[list.selectedTag] trl := list.items[list.selectedTag]
index := tagRoomList.IndexVisible(list.selected) index := trl.IndexVisible(list.selected)
indexInvisible := tagRoomList.Index(list.selected) indexInvisible := trl.Index(list.selected)
if index == -1 && indexInvisible >= 0 { if index == -1 && indexInvisible >= 0 {
num := tagRoomList.TotalLength() - indexInvisible num := trl.TotalLength() - indexInvisible
tagRoomList.maxShown = int(math.Ceil(float64(num)/10.0) * 10.0) trl.maxShown = int(math.Ceil(float64(num)/10.0) * 10.0)
index = tagRoomList.IndexVisible(list.selected) index = trl.IndexVisible(list.selected)
} }
if index == tagRoomList.Length()-1 { if index == trl.Length()-1 {
tagIndex := list.IndexTag(list.selectedTag) tagIndex := list.IndexTag(list.selectedTag)
tagIndex-- tagIndex--
for ; tagIndex >= 0; tagIndex-- { for ; tagIndex >= 0; tagIndex-- {
prevTag := list.tags[tagIndex] prevTag := list.tags[tagIndex]
prevTagRoomList := list.items[prevTag] prevTRL := list.items[prevTag]
if prevTagRoomList.HasVisibleRooms() { if prevTRL.HasVisibleRooms() {
return prevTag, prevTagRoomList.LastVisible() return prevTag, prevTRL.LastVisible()
} }
} }
return list.Last() return list.Last()
} else if index >= 0 { } else if index >= 0 {
return list.selectedTag, tagRoomList.Visible()[index+1].Room return list.selectedTag, trl.Visible()[index+1].Room
} }
return list.First() return list.First()
} }
@ -474,13 +287,13 @@ func (list *RoomList) Next() (string, *rooms.Room) {
return list.First() return list.First()
} }
tagRoomList := list.items[list.selectedTag] trl := list.items[list.selectedTag]
index := tagRoomList.IndexVisible(list.selected) index := trl.IndexVisible(list.selected)
indexInvisible := tagRoomList.Index(list.selected) indexInvisible := trl.Index(list.selected)
if index == -1 && indexInvisible >= 0 { if index == -1 && indexInvisible >= 0 {
num := tagRoomList.TotalLength() - indexInvisible + 1 num := trl.TotalLength() - indexInvisible + 1
tagRoomList.maxShown = int(math.Ceil(float64(num)/10.0) * 10.0) trl.maxShown = int(math.Ceil(float64(num)/10.0) * 10.0)
index = tagRoomList.IndexVisible(list.selected) index = trl.IndexVisible(list.selected)
} }
if index == 0 { if index == 0 {
@ -488,14 +301,14 @@ func (list *RoomList) Next() (string, *rooms.Room) {
tagIndex++ tagIndex++
for ; tagIndex < len(list.tags); tagIndex++ { for ; tagIndex < len(list.tags); tagIndex++ {
nextTag := list.tags[tagIndex] nextTag := list.tags[tagIndex]
nextTagRoomList := list.items[nextTag] nextTRL := list.items[nextTag]
if nextTagRoomList.HasVisibleRooms() { if nextTRL.HasVisibleRooms() {
return nextTag, nextTagRoomList.FirstVisible() return nextTag, nextTRL.FirstVisible()
} }
} }
return list.First() return list.First()
} else if index > 0 { } else if index > 0 {
return list.selectedTag, tagRoomList.Visible()[index-1].Room return list.selectedTag, trl.Visible()[index-1].Room
} }
return list.Last() return list.Last()
} }
@ -506,39 +319,24 @@ func (list *RoomList) index(tag string, room *rooms.Room) int {
return -1 return -1
} }
tagRoomList, ok := list.items[tag] trl, ok := list.items[tag]
localIndex := -1 localIndex := -1
if ok { if ok {
localIndex = tagRoomList.IndexVisible(room) localIndex = trl.IndexVisible(room)
} }
if localIndex == -1 { if localIndex == -1 {
return -1 return -1
} }
localIndex = tagRoomList.Length() - 1 - localIndex localIndex = trl.Length() - 1 - localIndex
// Tag header // Tag header
localIndex += 1 localIndex += 1
if tagIndex > 0 { if tagIndex > 0 {
for i := 0; i < tagIndex; i++ { for i := 0; i < tagIndex; i++ {
previousTag := list.tags[i] prevTag := list.tags[i]
previousTagRoomList := list.items[previousTag] prevTRL := list.items[prevTag]
localIndex += prevTRL.RenderHeight()
tagDisplayName := list.GetTagDisplayName(previousTag)
if len(tagDisplayName) > 0 {
if previousTagRoomList.IsCollapsed() {
localIndex++
continue
}
// Previous tag header + space
localIndex += 2
if previousTagRoomList.HasInvisibleRooms() {
// Previous tag "Show more" button
localIndex++
}
// Previous tag items
localIndex += previousTagRoomList.Length()
}
} }
} }
@ -547,19 +345,7 @@ func (list *RoomList) index(tag string, room *rooms.Room) int {
func (list *RoomList) ContentHeight() (height int) { func (list *RoomList) ContentHeight() (height int) {
for _, tag := range list.tags { for _, tag := range list.tags {
tagRoomList := list.items[tag] height += list.items[tag].RenderHeight()
tagDisplayName := list.GetTagDisplayName(tag)
if len(tagDisplayName) == 0 {
continue
}
if tagRoomList.IsCollapsed() {
height++
continue
}
height += 2 + tagRoomList.Length()
if tagRoomList.HasInvisibleRooms() {
height++
}
} }
return return
} }
@ -570,27 +356,27 @@ func (list *RoomList) HandleClick(column, line int, mod bool) (string, *rooms.Ro
return "", nil return "", nil
} }
for _, tag := range list.tags { for _, tag := range list.tags {
tagRoomList := list.items[tag] trl := list.items[tag]
if line--; line == -1 { if line--; line == -1 {
tagRoomList.ToggleCollapse() trl.ToggleCollapse()
return "", nil return "", nil
} }
if tagRoomList.IsCollapsed() { if trl.IsCollapsed() {
continue continue
} }
if line < 0 { if line < 0 {
return "", nil return "", nil
} else if line < tagRoomList.Length() { } else if line < trl.Length() {
return tag, tagRoomList.Visible()[tagRoomList.Length()-1-line].Room return tag, trl.Visible()[trl.Length()-1-line].Room
} }
// Tag items // Tag items
line -= tagRoomList.Length() line -= trl.Length()
hasMore := tagRoomList.HasInvisibleRooms() hasMore := trl.HasInvisibleRooms()
hasLess := tagRoomList.maxShown > 10 hasLess := trl.maxShown > 10
if hasMore || hasLess { if hasMore || hasLess {
if line--; line == -1 { if line--; line == -1 {
diff := 10 diff := 10
@ -599,12 +385,12 @@ func (list *RoomList) HandleClick(column, line int, mod bool) (string, *rooms.Ro
} }
_, _, width, _ := list.GetRect() _, _, width, _ := list.GetRect()
if column <= 6 && hasLess { if column <= 6 && hasLess {
tagRoomList.maxShown -= diff trl.maxShown -= diff
} else if column >= width-6 && hasMore { } else if column >= width-6 && hasMore {
tagRoomList.maxShown += diff trl.maxShown += diff
} }
if tagRoomList.maxShown < 10 { if trl.maxShown < 10 {
tagRoomList.maxShown = 10 trl.maxShown = 10
} }
return "", nil return "", nil
} }
@ -641,108 +427,26 @@ func (list *RoomList) Draw(screen tcell.Screen) {
list.Box.Draw(screen) list.Box.Draw(screen)
x, y, width, height := list.GetInnerRect() x, y, width, height := list.GetInnerRect()
bottomLimit := y + height yLimit := y + height
y -= list.scrollOffset
handledOffset := 0
// Draw the list items. // Draw the list items.
for _, tag := range list.tags { for _, tag := range list.tags {
tagRoomList := list.items[tag] trl := list.items[tag]
tagDisplayName := list.GetTagDisplayName(tag) tagDisplayName := list.GetTagDisplayName(tag)
if len(tagDisplayName) == 0 { if len(tagDisplayName) == 0 {
continue continue
} }
localOffset := 0 renderHeight := trl.RenderHeight()
if y + renderHeight >= yLimit {
if handledOffset < list.scrollOffset { renderHeight = yLimit - y
if handledOffset+tagRoomList.Length() < list.scrollOffset {
if tagRoomList.IsCollapsed() {
handledOffset++
} else {
handledOffset += tagRoomList.Length() + 2
if tagRoomList.HasInvisibleRooms() || tagRoomList.maxShown > 10 {
handledOffset++
} }
} trl.SetRect(x, y, width, renderHeight)
continue trl.Draw(screen)
} else { y += renderHeight
localOffset = list.scrollOffset - handledOffset if y >= yLimit {
handledOffset += localOffset
}
}
roomCount := strconv.Itoa(tagRoomList.TotalLength())
widget.WriteLine(screen, tview.AlignLeft, tagDisplayName, x, y, width-1-len(roomCount), tcell.StyleDefault.Underline(true).Bold(true))
widget.WriteLine(screen, tview.AlignLeft, roomCount, x+len(tagDisplayName)+1, y, width-2-len(tagDisplayName), tcell.StyleDefault.Italic(true))
items := tagRoomList.Visible()
if tagRoomList.IsCollapsed() {
screen.SetCell(x+width-1, y, tcell.StyleDefault, '▶')
y++
continue
}
screen.SetCell(x+width-1, y, tcell.StyleDefault, '▼')
y++
for i := tagRoomList.Length() - 1; i >= 0; i-- {
item := items[i]
index := len(items) - 1 - i
if y >= bottomLimit {
break
}
if index < localOffset {
continue
}
text := item.GetTitle()
lineWidth := width
style := tcell.StyleDefault.Foreground(list.mainTextColor)
if tag == list.selectedTag && item.Room == list.selected {
style = style.Foreground(list.selectedTextColor).Background(list.selectedBackgroundColor)
}
if item.HasNewMessages() {
style = style.Bold(true)
}
unreadCount := item.UnreadCount()
if unreadCount > 0 {
unreadMessageCount := "99+"
if unreadCount < 100 {
unreadMessageCount = strconv.Itoa(unreadCount)
}
if item.Highlighted() {
unreadMessageCount += "!"
}
unreadMessageCount = fmt.Sprintf("(%s)", unreadMessageCount)
widget.WriteLine(screen, tview.AlignRight, unreadMessageCount, x+lineWidth-7, y, 7, style)
lineWidth -= len(unreadMessageCount)
}
widget.WriteLinePadded(screen, tview.AlignLeft, text, x, y, lineWidth, style)
y++
if y >= bottomLimit {
break break
} }
} }
hasLess := tagRoomList.maxShown > 10
hasMore := tagRoomList.HasInvisibleRooms()
if hasLess || hasMore {
if hasMore {
widget.WriteLine(screen, tview.AlignRight, "More ↓", x, y, width, tcell.StyleDefault)
}
if hasLess {
widget.WriteLine(screen, tview.AlignLeft, "↑ Less", x, y, width, tcell.StyleDefault)
}
y++
}
y++
}
} }

314
ui/tag-room-list.go Normal file
View File

@ -0,0 +1,314 @@
// gomuks - A terminal Matrix client written in Go.
// Copyright (C) 2018 Tulir Asokan
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package ui
import (
"maunium.net/go/gomuks/matrix/rooms"
"strings"
"fmt"
"maunium.net/go/tcell"
"strconv"
"maunium.net/go/gomuks/ui/widget"
"maunium.net/go/tview"
)
type orderedRoom struct {
*rooms.Room
order string
}
func newOrderedRoom(order string, room *rooms.Room) *orderedRoom {
return &orderedRoom{
Room: room,
order: order,
}
}
func convertRoom(room *rooms.Room) *orderedRoom {
return newOrderedRoom("0.5", room)
}
type TagRoomList struct {
*tview.Box
rooms []*orderedRoom
maxShown int
name string
displayname string
parent *RoomList
}
func NewTagRoomList(parent *RoomList, name string, rooms ...*orderedRoom) *TagRoomList {
return &TagRoomList{
Box: tview.NewBox(),
maxShown: 10,
rooms: rooms,
name: name,
displayname: parent.GetTagDisplayName(name),
parent: parent,
}
}
func (trl *TagRoomList) Visible() []*orderedRoom {
return trl.rooms[len(trl.rooms)-trl.Length():]
}
func (trl *TagRoomList) FirstVisible() *rooms.Room {
visible := trl.Visible()
if len(visible) > 0 {
return visible[len(visible)-1].Room
}
return nil
}
func (trl *TagRoomList) LastVisible() *rooms.Room {
visible := trl.Visible()
if len(visible) > 0 {
return visible[0].Room
}
return nil
}
func (trl *TagRoomList) All() []*orderedRoom {
return trl.rooms
}
func (trl *TagRoomList) Length() int {
if len(trl.rooms) < trl.maxShown {
return len(trl.rooms)
}
return trl.maxShown
}
func (trl *TagRoomList) TotalLength() int {
return len(trl.rooms)
}
func (trl *TagRoomList) IsEmpty() bool {
return len(trl.rooms) == 0
}
func (trl *TagRoomList) IsCollapsed() bool {
return trl.maxShown == 0
}
func (trl *TagRoomList) ToggleCollapse() {
if trl.IsCollapsed() {
trl.maxShown = 10
} else {
trl.maxShown = 0
}
}
func (trl *TagRoomList) HasInvisibleRooms() bool {
return trl.maxShown < trl.TotalLength()
}
func (trl *TagRoomList) HasVisibleRooms() bool {
return !trl.IsEmpty() && trl.maxShown > 0
}
// ShouldBeBefore returns if the first room should be after the second room in the room list.
// The manual order and last received message timestamp are considered.
func (trl *TagRoomList) ShouldBeAfter(room1 *orderedRoom, room2 *orderedRoom) bool {
orderComp := strings.Compare(room1.order, room2.order)
return orderComp == 1 || (orderComp == 0 && room2.LastReceivedMessage.After(room1.LastReceivedMessage))
}
func (trl *TagRoomList) Insert(order string, mxRoom *rooms.Room) {
room := newOrderedRoom(order, mxRoom)
trl.rooms = append(trl.rooms, nil)
// The default insert index is the newly added slot.
// That index will be used if all other rooms in the list have the same LastReceivedMessage timestamp.
insertAt := len(trl.rooms) - 1
// Find the spot where the new room should be put according to the last received message timestamps.
for i := 0; i < len(trl.rooms)-1; i++ {
if trl.ShouldBeAfter(room, trl.rooms[i]) {
insertAt = i
break
}
}
// Move newer rooms forward in the array.
for i := len(trl.rooms) - 1; i > insertAt; i-- {
trl.rooms[i] = trl.rooms[i-1]
}
// Insert room.
trl.rooms[insertAt] = room
}
func (trl *TagRoomList) String() string {
var str strings.Builder
fmt.Fprintln(&str, "&TagRoomList{")
fmt.Fprintf(&str, " maxShown: %d,\n", trl.maxShown)
fmt.Fprint(&str, " rooms: {")
for i, room := range trl.rooms {
if room == nil {
fmt.Fprintf(&str, "<<NIL>>")
} else {
fmt.Fprint(&str, room.ID)
}
if i != len(trl.rooms)-1 {
fmt.Fprint(&str, ", ")
}
}
fmt.Fprintln(&str, "},")
fmt.Fprintln(&str, "}")
return str.String()
}
func (trl *TagRoomList) Bump(mxRoom *rooms.Room) {
var found *orderedRoom
for i := 0; i < len(trl.rooms); i++ {
currentRoom := trl.rooms[i]
if found != nil {
if trl.ShouldBeAfter(found, trl.rooms[i]) {
// This room should be after the room being bumped, so insert the
// room being bumped here and return
trl.rooms[i-1] = found
return
}
// Move older rooms back in the array
trl.rooms[i-1] = currentRoom
} else if currentRoom.Room == mxRoom {
found = currentRoom
}
}
// If the room being bumped should be first in the list, it won't be inserted during the loop.
trl.rooms[len(trl.rooms)-1] = found
}
func (trl *TagRoomList) Remove(room *rooms.Room) {
trl.RemoveIndex(trl.Index(room))
}
func (trl *TagRoomList) RemoveIndex(index int) {
if index < 0 || index > len(trl.rooms) {
return
}
trl.rooms = append(trl.rooms[0:index], trl.rooms[index+1:]...)
}
func (trl *TagRoomList) Index(room *rooms.Room) int {
return trl.indexInList(trl.All(), room)
}
func (trl *TagRoomList) IndexVisible(room *rooms.Room) int {
return trl.indexInList(trl.Visible(), room)
}
func (trl *TagRoomList) indexInList(list []*orderedRoom, room *rooms.Room) int {
for index, entry := range list {
if entry.Room == room {
return index
}
}
return -1
}
var TagDisplayNameStyle = tcell.StyleDefault.Underline(true).Bold(true)
var TagRoomCountStyle = tcell.StyleDefault.Italic(true)
func (trl *TagRoomList) RenderHeight() int {
if len(trl.displayname) == 0 {
return 0
}
if trl.IsCollapsed() {
return 1
}
height := 2 + trl.Length()
if trl.HasInvisibleRooms() || trl.maxShown > 10 {
height++
}
return height
}
func (trl *TagRoomList) Draw(screen tcell.Screen) {
if len(trl.displayname) == 0 {
return
}
x, y, width, height := trl.GetRect()
yLimit := y + height
roomCount := strconv.Itoa(trl.TotalLength())
// Draw tag name
displayNameWidth := width - 1 - len(roomCount)
widget.WriteLine(screen, tview.AlignLeft, trl.displayname, x, y, displayNameWidth, TagDisplayNameStyle)
// Draw tag room count
roomCountX := x + len(trl.displayname) + 1
roomCountWidth := width - 2 - len(trl.displayname)
widget.WriteLine(screen, tview.AlignLeft, roomCount, roomCountX, y, roomCountWidth, TagRoomCountStyle)
items := trl.Visible()
if trl.IsCollapsed() {
screen.SetCell(x+width-1, y, tcell.StyleDefault, '▶')
return
}
screen.SetCell(x+width-1, y, tcell.StyleDefault, '▼')
offsetY := 1
for i := trl.Length() - 1; i >= 0; i-- {
if y+offsetY >= yLimit {
return
}
item := items[i]
text := item.GetTitle()
lineWidth := width
style := tcell.StyleDefault.Foreground(trl.parent.mainTextColor)
if trl.name == trl.parent.selectedTag && item.Room == trl.parent.selected {
style = style.Foreground(trl.parent.selectedTextColor).Background(trl.parent.selectedBackgroundColor)
}
if item.HasNewMessages() {
style = style.Bold(true)
}
unreadCount := item.UnreadCount()
if unreadCount > 0 {
unreadMessageCount := "99+"
if unreadCount < 100 {
unreadMessageCount = strconv.Itoa(unreadCount)
}
if item.Highlighted() {
unreadMessageCount += "!"
}
unreadMessageCount = fmt.Sprintf("(%s)", unreadMessageCount)
widget.WriteLine(screen, tview.AlignRight, unreadMessageCount, x+lineWidth-7, y+offsetY, 7, style)
lineWidth -= len(unreadMessageCount)
}
widget.WriteLinePadded(screen, tview.AlignLeft, text, x, y+offsetY, lineWidth, style)
offsetY++
}
hasLess := trl.maxShown > 10
hasMore := trl.HasInvisibleRooms()
if (hasLess || hasMore) && y+offsetY < yLimit {
if hasMore {
widget.WriteLine(screen, tview.AlignRight, "More ↓", x, y+offsetY, width, tcell.StyleDefault)
}
if hasLess {
widget.WriteLine(screen, tview.AlignLeft, "↑ Less", x, y+offsetY, width, tcell.StyleDefault)
}
offsetY++
}
}