129 lines
3.7 KiB
Go
129 lines
3.7 KiB
Go
// gomuks - A terminal Matrix client written in Go.
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// Copyright (C) 2018 Tulir Asokan
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package ui
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import (
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"fmt"
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"sort"
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"strconv"
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"github.com/evidlo/fuzzysearch/fuzzy"
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"maunium.net/go/gomuks/debug"
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"maunium.net/go/gomuks/matrix/rooms"
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"maunium.net/go/tcell"
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"maunium.net/go/tview"
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)
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type FuzzyView struct {
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*tview.Grid
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matches fuzzy.Ranks
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selected int
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}
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func NewFuzzyView(view *MainView, width int, height int) *FuzzyView {
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rooms := []*rooms.Room{}
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roomtitles := []string{}
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for _, tag := range view.roomList.tags {
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for _, room := range view.roomList.items[tag].rooms {
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rooms = append(rooms, room.Room)
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roomtitles = append(roomtitles, room.GetTitle())
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}
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}
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// search box for fuzzy search
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fuzzySearch := tview.NewInputField().
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SetLabel("Room: ")
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// list of rooms matching fuzzy search
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fuzzyResults := tview.NewTextView().
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SetDynamicColors(true).
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SetRegions(true)
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fuzzyResults.
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SetBorderPadding(1, 0, 0, 0)
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// flexbox containing input box and results
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fuzzyFlex := tview.NewFlex().
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SetDirection(tview.FlexRow).
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AddItem(fuzzySearch, 1, 0, true).
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AddItem(fuzzyResults, 0, 1, false)
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fuzzyFlex.SetBorder(true).
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SetBorderPadding(1, 1, 1, 1).
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SetTitle("Fuzzy Room Finder")
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var matches fuzzy.Ranks
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var selected int
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fuzz := &FuzzyView{
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Grid: tview.NewGrid().
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SetColumns(0, width, 0).
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SetRows(0, height, 0).
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AddItem(fuzzyFlex, 1, 1, 1, 1, 0, 0, true),
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matches: matches,
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selected: selected,
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}
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// callback to update search box
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fuzzySearch.SetChangedFunc(func(str string) {
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// get matches and display in fuzzyResults
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fuzz.matches = fuzzy.RankFindFold(str, roomtitles)
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if len(str) > 0 && len(fuzz.matches) > 0 {
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sort.Sort(fuzz.matches)
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fuzzyResults.Clear()
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for _, match := range fuzz.matches {
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fmt.Fprintf(fuzzyResults, "[\"%d\"]%s[\"\"]\n", match.Index, match.Target)
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}
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view.parent.app.Draw()
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fuzzyResults.Highlight(strconv.Itoa(fuzz.matches[0].Index))
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fuzzyResults.ScrollToBeginning()
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} else {
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fuzzyResults.Clear()
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fuzzyResults.Highlight()
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}
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})
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// callback to handle key events on fuzzy search
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fuzzySearch.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
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highlights := fuzzyResults.GetHighlights()
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if event.Key() == tcell.KeyEsc {
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view.parent.views.RemovePage("fuzzy")
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return nil
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} else if event.Key() == tcell.KeyTab {
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// cycle highlighted area to next fuzzy match
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if len(highlights) > 0 {
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fuzz.selected = (fuzz.selected + 1) % len(fuzz.matches)
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fuzzyResults.Highlight(strconv.Itoa(fuzz.matches[fuzz.selected].Index))
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fuzzyResults.ScrollToHighlight()
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}
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return nil
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} else if event.Key() == tcell.KeyEnter {
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// switch room to currently selected room
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if len(highlights) > 0 {
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debug.Print("Fuzzy Selected Room:", rooms[fuzz.matches[fuzz.selected].Index].GetTitle())
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view.SwitchRoom(rooms[fuzz.matches[fuzz.selected].Index].Tags()[0].Tag, rooms[fuzz.matches[fuzz.selected].Index])
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}
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view.parent.views.RemovePage("fuzzy")
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fuzzyResults.Clear()
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fuzzySearch.SetText("")
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return nil
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}
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return event
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})
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return fuzz
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}
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