Started working on the biome info editor

2 files changed, 166 insertions, 2 deletions

diff --git a/biome_info_editor.go b/biome_info_editor.go
new file mode 100644
index 0000000..9768f61
--- /dev/null
+++ b/biome_info_editor.go
@@ -0,0 +1,159 @@
+package main
+
+import (
+	"fmt"
+	"github.com/kch42/gomcmap/mcmap"
+	"github.com/kch42/kagus"
+	"github.com/mattn/go-gtk/gdk"
+	"github.com/mattn/go-gtk/gtk"
+	"strconv"
+	"unicode"
+)
+
+type biomeEditFrame struct {
+	*gtk.Frame
+	applyBtn                          *gtk.Button
+	idInput, snowLineInput, nameInput *gtk.Entry
+	colorInput                        *gtk.ColorButton
+}
+
+func newBiomeEditFrame() *biomeEditFrame {
+	frm := &biomeEditFrame{
+		Frame:         gtk.NewFrame("Edit Biome"),
+		applyBtn:      gtk.NewButtonWithLabel("Apply"),
+		idInput:       gtk.NewEntry(),
+		snowLineInput: gtk.NewEntry(),
+		nameInput:     gtk.NewEntry(),
+		colorInput:    gtk.NewColorButton(),
+	}
+
+	frm.idInput.SetSizeRequest(40, -1)
+	frm.snowLineInput.SetSizeRequest(40, -1)
+	
+	frm.idInput.Connect("changed", frm.unlockApply)
+	frm.nameInput.Connect("changed", frm.unlockApply)
+	frm.snowLineInput.Connect("changed", frm.unlockApply)
+	frm.applyBtn.SetSensitive(false)
+
+	vbox := gtk.NewVBox(false, 0)
+	hbox := gtk.NewHBox(false, 0)
+
+	hbox.PackStart(gtk.NewLabel("Color:"), false, false, 0)
+	hbox.PackStart(frm.colorInput, false, false, 3)
+	hbox.PackStart(gtk.NewLabel("ID:"), false, false, 0)
+	hbox.PackStart(frm.idInput, false, false, 3)
+	hbox.PackStart(gtk.NewLabel("Snowline:"), false, false, 0)
+	hbox.PackStart(frm.snowLineInput, false, false, 3)
+	hbox.PackStart(gtk.NewLabel("Name:"), false, false, 0)
+	hbox.PackStart(frm.nameInput, true, true, 3)
+
+	vbox.PackStart(hbox, false, false, 0)
+	vbox.PackStart(frm.applyBtn, false, false, 3)
+	frm.Add(vbox)
+
+	return frm
+}
+
+func (frm *biomeEditFrame) setBiomeInfo(info BiomeInfo) {
+	frm.colorInput.SetColor(gdk.NewColor(info.Color))
+	frm.idInput.SetText(strconv.FormatInt(int64(info.ID), 10))
+	frm.snowLineInput.SetText(strconv.FormatInt(int64(info.SnowLine), 10))
+	frm.nameInput.SetText(info.Name)
+}
+
+func (frm *biomeEditFrame) getBiomeInfo() (BiomeInfo, bool) {
+	id, err := strconv.ParseUint(frm.idInput.GetText(), 10, 8)
+	if err != nil {
+		return BiomeInfo{}, false
+	}
+
+	snow, err := strconv.ParseInt(frm.snowLineInput.GetText(), 10, 32)
+	if err != nil {
+		return BiomeInfo{}, false
+	}
+	if (snow > mcmap.ChunkSizeY) || (snow < 0) {
+		snow = mcmap.ChunkSizeY
+	}
+
+	name := frm.nameInput.GetText()
+	if name != "" {
+		return BiomeInfo{}, false
+	}
+
+	col := frm.colorInput.GetColor()
+
+	return BiomeInfo{
+		ID:       mcmap.Biome(id),
+		SnowLine: int(snow),
+		Name:     name,
+		Color:    fmt.Sprintf("#%02x%02x%02x", col.Red()<<8, col.Green()<<8, col.Blue()<<8),
+	}, true
+}
+
+func (frm *biomeEditFrame) checkOK() bool {
+	if id := frm.idInput.GetText(); (id == "") || (!kagus.StringConsistsOf(id, unicode.IsNumber)) {
+		return false
+	}
+
+	if snow := frm.snowLineInput.GetText(); (snow == "") || (!kagus.StringConsistsOf(snow, unicode.IsNumber)) {
+		return false
+	}
+
+	return frm.nameInput.GetText() != ""
+}
+
+func (frm *biomeEditFrame) unlockApply() {
+	frm.applyBtn.SetSensitive(frm.checkOK())
+}
+
+type BiomeInfoEditor struct {
+	*gtk.Dialog
+	biomes []BiomeInfo
+}
+
+func NewBiomeInfoEditor(biomes []BiomeInfo) *BiomeInfoEditor {
+	ed := &BiomeInfoEditor{
+		Dialog: gtk.NewDialog(),
+		biomes: biomes,
+	}
+
+	ed.SetModal(true)
+	vbox := ed.GetVBox()
+
+	btnHBox := gtk.NewHBox(true, 0)
+
+	resetBtn := gtk.NewButtonWithLabel("Reset to defaults")
+	resetBtn.Connect("clicked", ed.reset)
+	loadBtn := gtk.NewButtonWithLabel("Load from file ...")
+	loadBtn.Connect("clicked", ed.load)
+	saveBtn := gtk.NewButtonWithLabel("Save to file ...")
+	saveBtn.Connect("clicked", ed.save)
+
+	btnHBox.PackStart(resetBtn, true, true, 3)
+	btnHBox.PackStart(loadBtn, true, true, 3)
+	btnHBox.PackStart(saveBtn, true, true, 3)
+	vbox.PackStart(btnHBox, false, false, 3)
+
+	editFrame := newBiomeEditFrame()
+	vbox.PackStart(editFrame, false, false, 3)
+
+	ed.AddButton("Cancel", gtk.RESPONSE_CANCEL)
+	ed.AddButton("OK", gtk.RESPONSE_OK)
+	ed.ShowAll()
+	return ed
+}
+
+func (ed *BiomeInfoEditor) reset() {
+	ed.biomes = ReadDefaultBiomes()
+	// TODO: Update view
+}
+
+func (ed *BiomeInfoEditor) load() {
+	// TODO
+}
+
+func (ed *BiomeInfoEditor) save() {
+	// TODO
+}
+
+func (ed *BiomeInfoEditor) Biomes() []BiomeInfo { return ed.biomes }
diff --git a/main.go b/main.go
index 75409e1..e4c3767 100644
--- a/main.go
+++ b/main.go
@@ -111,8 +111,13 @@ func (g *GUI) mkMenuBar() *gtk.MenuBar {
 
 	confbiomes := gtk.NewMenuItemWithLabel("Configure Biomes")
 	confbiomes.Connect("activate", func() {
-		// TODO: Display awesome biome editor dialog thing.
-		fmt.Println("(...)")
+		ed := NewBiomeInfoEditor(g.biomes)
+		rv := ed.Run()
+		ed.Destroy()
+		if rv == gtk.RESPONSE_OK {
+			g.biomes = ed.Biomes()
+			g.updateBiomeInfo()
+		}
 	})
 	prefMenu.Append(confbiomes)