Work

alert.go

@@ -0,0 +1,116 @@
+/*
+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"
+	"strings"
+
+	wh "git.bullercodeworks.com/brian/tcell-widgets/helpers"
+	"github.com/gdamore/tcell"
+)
+
+type Alert struct {
+	id    string
+	style tcell.Style
+
+	x, y    int
+	w, h    int
+	active  bool
+	visible bool
+
+	title            string
+	message          *Text
+	btnOk, btnCancel *Button
+}
+
+var _ Widget = (*Alert)(nil)
+
+func NewAlert(id string, style tcell.Style) *Alert {
+	ret := &Alert{}
+	ret.Init(id, style)
+	return ret
+}
+
+func (w *Alert) Init(id string, style tcell.Style) {
+	w.id = id
+	w.style = style
+	w.message = NewText(fmt.Sprintf("%s-text", id), style)
+	w.btnOk = NewButton(fmt.Sprintf("%s-select", id), style)
+	w.btnOk.SetLabel("Ok")
+	w.btnCancel = NewButton(fmt.Sprintf("%s-cancel", id), style)
+	w.btnCancel.SetLabel("Cancel")
+}
+func (w *Alert) Id() string { return w.id }
+func (w *Alert) HandleResize(ev *tcell.EventResize) {
+	w.btnOk.SetPos(Coord{X: w.x + w.w - w.btnOk.WantW(), Y: w.y + w.h - 1})
+	w.btnCancel.SetPos(Coord{X: w.x + 1, Y: w.y + w.h - 1})
+}
+
+func (w *Alert) HandleKey(ev *tcell.EventKey) bool {
+	if !w.active {
+		return false
+	}
+	return false
+}
+func (w *Alert) HandleTime(ev *tcell.EventTime) {}
+func (w *Alert) 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, w.style, screen)
+	w.message.Draw(screen)
+	w.btnOk.Draw(screen)
+	w.btnCancel.Draw(screen)
+}
+func (w *Alert) Active() bool      { return w.active }
+func (w *Alert) SetActive(a bool)  { w.active = a }
+func (w *Alert) Visible() bool     { return w.visible }
+func (w *Alert) SetVisible(a bool) { w.visible = a }
+func (w *Alert) SetX(x int)        { w.x = x }
+func (w *Alert) SetY(y int)        { w.y = y }
+func (w *Alert) GetX() int         { return w.x }
+func (w *Alert) GetY() int         { return w.y }
+func (w *Alert) SetPos(c Coord)    { w.x, w.y = c.X, c.Y }
+func (w *Alert) SetW(x int)        { w.w = x }
+func (w *Alert) SetH(y int)        { w.h = y }
+func (w *Alert) GetW() int         { return w.w }
+func (w *Alert) GetH() int         { return w.y }
+func (w *Alert) SetSize(c Coord)   { w.w, w.h = c.X, c.Y }
+func (w *Alert) Focusable() bool   { return true }
+func (w *Alert) WantW() int {
+	return w.btnOk.WantW() + w.btnCancel.WantW() + 4
+}
+
+func (w *Alert) WantH() int {
+	msg := len(strings.Split(wh.WrapText(w.message.GetText(), w.WantW()), "\n"))
+	return 2 + w.btnOk.WantH() + msg
+}
+
+func (w *Alert) SetTitle(ttl string) { w.title = ttl }
+func (w *Alert) SetMessage(msg string) {
+	w.message.SetText(msg)
+}