Work

filepicker.go

@@ -0,0 +1,142 @@
+/*
+Copyright © Brian Buller <brian@bullercodeworks.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+package widgets
+
+import (
+	"fmt"
+	"os"
+
+	wh "git.bullercodeworks.com/brian/tcell-widgets/helpers"
+	"github.com/gdamore/tcell"
+)
+
+type FilePicker struct {
+	id        string
+	title     string
+	style     tcell.Style
+	active    bool
+	visible   bool
+	focusable bool
+
+	x, y         int
+	w, h         int
+	wantW, wantH int
+
+	path   string
+	wrkDir *os.File
+
+	fileList             *List
+	btnSelect, btnCancel *Button
+}
+
+var _ Widget = (*FilePicker)(nil)
+
+func NewFilePicker(id string, style tcell.Style) *FilePicker {
+	ret := &FilePicker{style: style}
+	ret.Init(id, style)
+	return ret
+}
+
+func (w *FilePicker) Init(id string, style tcell.Style) {
+	w.id = id
+	w.style = style
+	w.btnSelect = NewButton(fmt.Sprintf("%s-select", id), style)
+	w.btnSelect.SetLabel("Select")
+	w.btnCancel = NewButton(fmt.Sprintf("%s-cancel", id), style)
+	w.btnCancel.SetLabel("Cancel")
+}
+func (w *FilePicker) Id() string { return w.id }
+func (w *FilePicker) HandleResize(ev *tcell.EventResize) {
+	w.btnSelect.SetPos(Coord{X: w.x + w.w - w.btnSelect.WantW(), Y: w.y + w.h - 1})
+	w.btnCancel.SetPos(Coord{X: w.x + 1, Y: w.y + w.h - 1})
+}
+
+func (w *FilePicker) HandleKey(ev *tcell.EventKey) bool {
+	if !w.active {
+		return false
+	}
+	return false
+}
+func (w *FilePicker) HandleTime(ev *tcell.EventTime) {}
+func (w *FilePicker) Draw(screen tcell.Screen) {
+	if !w.visible {
+		return
+	}
+	ds := w.style
+	if !w.active {
+		ds = ds.Dim(true)
+	}
+	wh.TitledBorderFilled(w.x, w.y, w.x+w.w, w.y+w.h, w.title, wh.BRD_SIMPLE, ds, screen)
+	// TODO: Draw the file picker
+	wh.DrawText(w.x+1, w.y+1, "TODO: Draw Filepicker", ds, screen)
+	w.btnSelect.Draw(screen)
+	w.btnCancel.Draw(screen)
+}
+func (w *FilePicker) Active() bool      { return w.active }
+func (w *FilePicker) SetActive(a bool)  { w.active = a }
+func (w *FilePicker) Visible() bool     { return w.visible }
+func (w *FilePicker) SetVisible(a bool) { w.visible = a }
+func (w *FilePicker) SetX(x int)        { w.x = x }
+func (w *FilePicker) SetY(y int)        { w.y = y }
+func (w *FilePicker) GetX() int         { return w.x }
+func (w *FilePicker) GetY() int         { return w.y }
+func (w *FilePicker) SetPos(c Coord)    { w.x, w.y = c.X, c.Y }
+func (w *FilePicker) SetW(x int)        { w.w = x }
+func (w *FilePicker) SetH(y int)        { w.h = y }
+func (w *FilePicker) GetW() int         { return w.w }
+func (w *FilePicker) GetH() int         { return w.y }
+func (w *FilePicker) SetSize(c Coord)   { w.w, w.h = c.X, c.Y }
+func (w *FilePicker) Focusable() bool   { return w.focusable }
+func (w *FilePicker) WantW() int {
+	// borders + the greater of the buttons next to each other or the list width
+	return wh.Max((w.btnSelect.WantW()+w.btnCancel.WantW()), w.fileList.WantW()) + 2
+}
+
+func (w *FilePicker) WantH() int {
+	// borders + list + buttons
+	return 2 + w.fileList.WantH() + w.btnSelect.WantH()
+}
+
+func (w *FilePicker) SetTitle(ttl string) { w.title = ttl }
+func (w *FilePicker) SetPath(path string) error {
+	var err error
+	var fl *os.File
+	if fl, err = os.Open(path); err != nil {
+		return err
+	}
+	if fs, err := fl.Stat(); err != nil {
+		return err
+	} else if !fs.IsDir() {
+		return fmt.Errorf("path must be a directory")
+	}
+	w.wrkDir = fl
+	w.path = path
+	return nil
+}
+
+func (w *FilePicker) SetOnSelect(sel func() bool) {
+	w.btnSelect.SetOnPressed(sel)
+}
+
+func (w *FilePicker) SetOnCancel(cnc func() bool) {
+	w.btnCancel.SetOnPressed(cnc)
+}