channel list

1 files changed, 99 insertions, 0 deletions

diff --git a/client/channel_list.go b/client/channel_list.go
new file mode 100644
index 0000000..5903792
--- /dev/null
+++ b/client/channel_list.go
@@ -0,0 +1,99 @@
+package main
+
+import (
+	"citrons.xyz/talk/proto"
+	"citrons.xyz/talk/tui"
+	"sort"
+)
+
+type channelList []channelListEntry
+
+type channelListEntry struct {
+	name string
+	location channelLocation
+}
+
+func (cl *channelList) Len() int {
+	return len(*cl)
+}
+
+func (cl *channelList) Less(i, j int) bool {
+	return (*cl)[i].name < (*cl)[j].name
+}
+
+func (cl *channelList) Swap(i, j int) {
+	x := (*cl)[i]
+	(*cl)[i] = (*cl)[j]
+	(*cl)[j] = x
+}
+
+func (cl *channelList) setChannels(cs []proto.Object) {
+	*cl = nil
+	for _, c := range cs {
+		*cl = append(*cl, channelListEntry {
+			c.Fields[""], channelLocation {c.Id},
+		})
+	}
+	sort.Sort(cl)
+}
+
+func (cl *channelList) remove(location channelLocation) {
+	for i := len(*cl) - 1; i >= 0; i-- {
+		if (*cl)[i].location != location {
+			continue
+		}
+		if i < len(*cl) - 1 {
+			*cl = append((*cl)[:i], (*cl)[i + 1:]...)
+		} else {
+			*cl = (*cl)[:i]
+		}
+		break
+	}
+}
+
+func (cl *channelList) traverse(direction int) {
+	var i int
+	for i = 0; i < len(*cl); i++ {
+		if (*cl)[i].location == globalApp.currentWindow {
+			break
+		}
+	}
+	if i == len(*cl) {
+		i = 0
+	} else {
+		i += direction
+		i %= len(*cl)
+		if i < 0 {
+			i = len(*cl) + i 
+		}
+	}
+	globalApp.goTo((*cl)[i].location)
+}
+
+func (cl *channelList) add(name string, location channelLocation) {
+	cl.remove(location)
+	entry := channelListEntry {name, location}
+	*cl = append([]channelListEntry {entry}, *cl...)
+}
+
+func (cl *channelList) show() {
+	tui.Push("channel list", tui.Box {Width: 12, Height: tui.Fill})
+	for i, entry := range *cl {
+		var style *tui.Style
+		if entry.location == globalApp.currentWindow {
+			style = &tui.Style {Fg: tui.Black, Bg: tui.White}
+		}
+
+		tui.Push("channel list." + entry.location.id, tui.Box {
+			Width: tui.Fill, Height: 1, NoWrap: true, Style: style,
+		})
+		ch := globalApp.cache.Get(entry.location.id)
+		if ch != nil {
+			entry.name = ch.Fields[""]
+			(*cl)[i] = entry
+		}
+		tui.Text(entry.name, nil)
+		tui.Pop()
+	}
+	tui.Pop()
+}