122 lines
2.5 KiB
Go
122 lines
2.5 KiB
Go
package ui
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import (
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"fmt"
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"github.com/jroimartin/gocui"
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)
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// with special thanks to https://gist.github.com/jroimartin/3b2e943a3811d795e0718b4a95b89bec
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type FilterView struct {
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Name string
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gui *gocui.Gui
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view *gocui.View
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header *gocui.View
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headerStr string
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maxLength int
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hidden bool
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}
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type Input struct {
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name string
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x, y int
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w int
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maxLength int
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}
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func NewFilterView(name string, gui *gocui.Gui) (filterview *FilterView) {
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filterview = new(FilterView)
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// populate main fields
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filterview.Name = name
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filterview.gui = gui
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filterview.headerStr = "Path Filter: "
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filterview.hidden = true
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return filterview
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}
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func (view *FilterView) Setup(v *gocui.View, header *gocui.View) error {
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// set view options
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view.view = v
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view.maxLength = 200
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view.view.Frame = false
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view.view.BgColor = gocui.AttrReverse
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view.view.Editable = true
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view.view.Editor = view
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view.header = header
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view.header.BgColor = gocui.AttrReverse
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view.header.Editable = false
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view.header.Wrap = false
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view.header.Frame = false
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// set keybindings
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// if err := view.gui.SetKeybinding(view.Name, gocui.KeyArrowDown, gocui.ModNone, func(*gocui.Gui, *gocui.View) error { return view.CursorDown() }); err != nil {
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// return err
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// }
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// if err := view.gui.SetKeybinding(view.Name, gocui.KeyArrowUp, gocui.ModNone, func(*gocui.Gui, *gocui.View) error { return view.CursorUp() }); err != nil {
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// return err
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// }
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view.Render()
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return nil
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}
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func (view *FilterView) IsVisible() bool {
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if view == nil {return false}
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return !view.hidden
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}
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func (view *FilterView) CursorDown() error {
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return nil
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}
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func (view *FilterView) CursorUp() error {
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return nil
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}
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func (view *FilterView) Edit(v *gocui.View, key gocui.Key, ch rune, mod gocui.Modifier) {
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if !view.IsVisible() {
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return
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}
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cx, _ := v.Cursor()
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ox, _ := v.Origin()
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limit := ox+cx+1 > view.maxLength
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switch {
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case ch != 0 && mod == 0 && !limit:
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v.EditWrite(ch)
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case key == gocui.KeySpace && !limit:
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v.EditWrite(' ')
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case key == gocui.KeyBackspace || key == gocui.KeyBackspace2:
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v.EditDelete(true)
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}
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if Views.Tree != nil {
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Views.Tree.Update()
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Views.Tree.Render()
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}
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}
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func (view *FilterView) KeyHelp() string {
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return Formatting.StatusControlNormal("▏Type to filter the file tree ")
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}
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func (view *FilterView) Update() error {
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return nil
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}
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func (view *FilterView) Render() error {
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view.gui.Update(func(g *gocui.Gui) error {
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// render the header
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fmt.Fprintln(view.header, Formatting.Header(view.headerStr))
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return nil
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})
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// todo: blerg
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return nil
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}
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