func printValueAt(e js.Object, name string, value string) {
targets := []js.Object{}
if e.Get("name").Str() == name {
targets = append(targets, e)
}
query := fmt.Sprintf("*[name=\"%s\"]", html.EscapeString(name))
es := e.Call("querySelectorAll", query)
for i := 0; i < es.Length(); i++ {
targets = append(targets, es.Index(i))
}
if e.Get("dataset").Get(toDatasetProp(datasetAttrKey)).Str() == name {
targets = append(targets, e)
}
query = fmt.Sprintf(
"*[data-%s=\"%s\"]",
html.EscapeString(datasetAttrKey),
html.EscapeString(name))
es = e.Call("querySelectorAll", query)
for i := 0; i < es.Length(); i++ {
targets = append(targets, es.Index(i))
}
for _, e := range targets {
if e.Call("hasAttribute", "value").Bool() {
e.Set("value", value)
} else {
e.Set("textContent", value)
}
}
}
func copyStruct(dst, src *js.Object, typ Type) {
fields := jsType(typ).Get("fields")
for i := 0; i < fields.Length(); i++ {
prop := fields.Index(i).Get("prop").String()
dst.Set(prop, src.Get(prop))
}
}
func copyStruct(dst, src js.Object, typ Type) {
fields := jsType(typ).Get("fields")
for i := 0; i < fields.Length(); i++ {
name := fields.Index(i).Index(0).Str()
dst.Set(name, src.Get(name))
}
}
func Set(obj *js.Object, path string, value interface{}) {
ps := sep(path)
n := len(ps)
p := ps[n-1]
ps = ps[:n-1]
obj = getProterty(obj, ps)
if obj == js.Undefined {
return
}
obj.Set(p, value)
}
func setResolution(
gl *webgl.Context, canvas *js.Object, uResolution *js.Object) {
width := canvas.Get("clientWidth").Int()
height := canvas.Get("clientHeight").Int()
if (canvas.Get("width").Int() != width) ||
(canvas.Get("height").Int() != height) {
canvas.Set("width", width)
canvas.Set("height", height)
}
gl.Viewport(0, 0, width, height)
gl.Uniform2f(uResolution, float32(width), float32(height))
}
func newChatController(scope *js.Object) *chatController {
controller := &chatController{scope, &MessagesSender{createJsWebsocket(scope)}}
controller.setDefaults()
scope.Set("sendMessage", func() {
controller.sendMessage()
})
scope.Set("showMessage", func(message *js.Object) {
controller.showMessage(message)
})
return controller
}
func reflectType(typ *js.Object) *rtype {
if typ.Get("reflectType") == js.Undefined {
rt := &rtype{
size: uintptr(typ.Get("size").Int()),
kind: uint8(typ.Get("kind").Int()),
string: newStringPtr(typ.Get("string")),
}
js.InternalObject(rt).Set("jsType", typ)
typ.Set("reflectType", js.InternalObject(rt))
methodSet := js.Global.Call("$methodSet", typ)
if typ.Get("typeName").String() != "" || methodSet.Length() != 0 {
reflectMethods := make([]method, methodSet.Length())
for i := range reflectMethods {
m := methodSet.Index(i)
t := m.Get("typ")
reflectMethods[i] = method{
name: newStringPtr(m.Get("name")),
pkgPath: newStringPtr(m.Get("pkg")),
mtyp: reflectType(t),
typ: reflectType(js.Global.Call("$funcType", js.Global.Get("Array").New(typ).Call("concat", t.Get("params")), t.Get("results"), t.Get("variadic"))),
}
}
rt.uncommonType = &uncommonType{
name: newStringPtr(typ.Get("typeName")),
pkgPath: newStringPtr(typ.Get("pkg")),
methods: reflectMethods,
}
js.InternalObject(rt.uncommonType).Set("jsType", typ)
}
switch rt.Kind() {
case Array:
setKindType(rt, &arrayType{
elem: reflectType(typ.Get("elem")),
len: uintptr(typ.Get("len").Int()),
})
case Chan:
dir := BothDir
if typ.Get("sendOnly").Bool() {
dir = SendDir
}
if typ.Get("recvOnly").Bool() {
dir = RecvDir
}
setKindType(rt, &chanType{
elem: reflectType(typ.Get("elem")),
dir: uintptr(dir),
})
case Func:
params := typ.Get("params")
in := make([]*rtype, params.Length())
for i := range in {
in[i] = reflectType(params.Index(i))
}
results := typ.Get("results")
out := make([]*rtype, results.Length())
for i := range out {
out[i] = reflectType(results.Index(i))
}
setKindType(rt, &funcType{
rtype: *rt,
dotdotdot: typ.Get("variadic").Bool(),
in: in,
out: out,
})
case Interface:
methods := typ.Get("methods")
imethods := make([]imethod, methods.Length())
for i := range imethods {
m := methods.Index(i)
imethods[i] = imethod{
name: newStringPtr(m.Get("name")),
pkgPath: newStringPtr(m.Get("pkg")),
typ: reflectType(m.Get("typ")),
}
}
setKindType(rt, &interfaceType{
rtype: *rt,
methods: imethods,
})
case Map:
setKindType(rt, &mapType{
key: reflectType(typ.Get("key")),
elem: reflectType(typ.Get("elem")),
})
case Ptr:
setKindType(rt, &ptrType{
elem: reflectType(typ.Get("elem")),
})
case Slice:
setKindType(rt, &sliceType{
elem: reflectType(typ.Get("elem")),
})
case Struct:
fields := typ.Get("fields")
reflectFields := make([]structField, fields.Length())
for i := range reflectFields {
f := fields.Index(i)
reflectFields[i] = structField{
name: newStringPtr(f.Get("name")),
pkgPath: newStringPtr(f.Get("pkg")),
typ: reflectType(f.Get("typ")),
tag: newStringPtr(f.Get("tag")),
offset: uintptr(i),
}
}
setKindType(rt, &structType{
rtype: *rt,
fields: reflectFields,
})
}
}
return (*rtype)(unsafe.Pointer(typ.Get("reflectType").Unsafe()))
}
// SetInnerHTML calls the innerHTML setter with the given string
func SetInnerHTML(o *js.Object, html string) {
o.Set("innerHTML", html)
}
func NewTerrain(el *js.Object) *client.Terrain {
size := 1
t := client.NewTerrain(el)
t.Reset(size)
el.Set("width", size*message.BlockLen*res)
el.Set("height", size*message.BlockLen*res)
var pressing bool
var fromX, fromY, lastX, lastY int
el.Call("addEventListener", "mousedown", func(event *js.Object) {
fromX, fromY = getMouseCoords(event)
lastX, lastY = fromX, fromY
pressing = true
})
el.Call("addEventListener", "mousemove", func(event *js.Object) {
if !pressing {
return
}
x, y := getMouseCoords(event)
t.DrawRegion(fromX, fromY, lastX-fromX, lastY-fromY)
t.Canvas.SetFillStyle("rgba(0,0,255,0.1)")
t.Canvas.FillRect(fromX*res, fromY*res, (x-fromX)*res, (y-fromY)*res)
lastX, lastY = x, y
})
el.Call("addEventListener", "mouseup", func(event *js.Object) {
t.DrawRegion(fromX, fromY, lastX-fromX, lastY-fromY)
pressing = false
if fromX == lastX && fromY == lastY {
x, y := fromX, fromY
pt, _ := t.GetPointAt(x, y)
t.SetPointAt(x, y, invertPoint(pt), 0)
t.DrawPoint(x, y)
} else {
if fromX > lastX {
fromX, lastX = lastX, fromX
}
if fromY > lastY {
fromY, lastY = lastY, fromY
}
for i := fromX; i < lastX; i++ {
for j := fromY; j < lastY; j++ {
pt, _ := t.GetPointAt(i, j)
t.SetPointAt(i, j, invertPoint(pt), 0)
t.DrawPoint(i, j)
}
}
}
})
saveBtn := js.Global.Get("document").Call("getElementById", "save-btn")
saveBtn.Call("addEventListener", "click", func() {
w := &ExportWriter{}
blk, _ := t.GetBlockAt(0, 0)
builder.WriteBlock(w, blk)
w.Export()
})
loadInput := js.Global.Get("document").Call("getElementById", "load-input")
loadInput.Call("addEventListener", "change", func() {
file := loadInput.Get("files").Get("0")
if file == nil {
return
}
go (func() {
r := &ExportReader{}
r.File = file
blk := handler.ReadBlock(r)
t.SetBlock(blk, 0)
t.Draw()
})()
})
return t
}
func reflectType(typ *js.Object) *rtype {
if typ.Get("reflectType") == js.Undefined {
rt := &rtype{
size: uintptr(typ.Get("size").Int()),
kind: uint8(typ.Get("kind").Int()),
str: newNameOff(newName(internalStr(typ.Get("string")), "", "", typ.Get("exported").Bool())),
}
js.InternalObject(rt).Set("jsType", typ)
typ.Set("reflectType", js.InternalObject(rt))
methodSet := js.Global.Call("$methodSet", typ)
if methodSet.Length() != 0 || typ.Get("named").Bool() {
rt.tflag |= tflagUncommon
if typ.Get("named").Bool() {
rt.tflag |= tflagNamed
}
reflectMethods := make([]method, methodSet.Length())
for i := range reflectMethods {
m := methodSet.Index(i)
reflectMethods[i] = method{
name: newNameOff(newName(internalStr(m.Get("name")), "", "", internalStr(m.Get("pkg")) == "")),
mtyp: newTypeOff(reflectType(m.Get("typ"))),
}
}
ut := &uncommonType{
pkgPath: newNameOff(newName(internalStr(typ.Get("pkg")), "", "", false)),
mcount: uint16(methodSet.Length()),
_methods: reflectMethods,
}
uncommonTypeMap[rt] = ut
js.InternalObject(ut).Set("jsType", typ)
}
switch rt.Kind() {
case Array:
setKindType(rt, &arrayType{
elem: reflectType(typ.Get("elem")),
len: uintptr(typ.Get("len").Int()),
})
case Chan:
dir := BothDir
if typ.Get("sendOnly").Bool() {
dir = SendDir
}
if typ.Get("recvOnly").Bool() {
dir = RecvDir
}
setKindType(rt, &chanType{
elem: reflectType(typ.Get("elem")),
dir: uintptr(dir),
})
case Func:
params := typ.Get("params")
in := make([]*rtype, params.Length())
for i := range in {
in[i] = reflectType(params.Index(i))
}
results := typ.Get("results")
out := make([]*rtype, results.Length())
for i := range out {
out[i] = reflectType(results.Index(i))
}
outCount := uint16(results.Length())
if typ.Get("variadic").Bool() {
outCount |= 1 << 15
}
setKindType(rt, &funcType{
rtype: *rt,
inCount: uint16(params.Length()),
outCount: outCount,
_in: in,
_out: out,
})
case Interface:
methods := typ.Get("methods")
imethods := make([]imethod, methods.Length())
for i := range imethods {
m := methods.Index(i)
imethods[i] = imethod{
name: newNameOff(newName(internalStr(m.Get("name")), "", "", internalStr(m.Get("pkg")) == "")),
typ: newTypeOff(reflectType(m.Get("typ"))),
}
}
setKindType(rt, &interfaceType{
rtype: *rt,
methods: imethods,
})
case Map:
setKindType(rt, &mapType{
key: reflectType(typ.Get("key")),
elem: reflectType(typ.Get("elem")),
})
case Ptr:
setKindType(rt, &ptrType{
elem: reflectType(typ.Get("elem")),
})
case Slice:
setKindType(rt, &sliceType{
elem: reflectType(typ.Get("elem")),
})
case Struct:
fields := typ.Get("fields")
reflectFields := make([]structField, fields.Length())
for i := range reflectFields {
f := fields.Index(i)
reflectFields[i] = structField{
name: newName(internalStr(f.Get("name")), internalStr(f.Get("tag")), "", f.Get("exported").Bool()),
typ: reflectType(f.Get("typ")),
offset: uintptr(i),
}
}
setKindType(rt, &structType{
rtype: *rt,
pkgPath: newName(internalStr(typ.Get("pkgPath")), "", "", false),
fields: reflectFields,
})
}
}
return (*rtype)(unsafe.Pointer(typ.Get("reflectType").Unsafe()))
}
func (p *pod) Draw(ctx *js.Object) {
if p.selected {
ctx.Set("fillStyle", "rgb(0, 255, 0)")
} else {
ctx.Set("fillStyle", "rgb(0, 0, 0)")
}
ctx.Call("fillRect", p.x, p.y, p.dx, p.dy)
switch {
case p.disk != "":
ctx.Set("fillStyle", "rgb(225, 225, 225)")
case p.port != 0:
ctx.Set("fillStyle", "rgb(195, 240, 215)")
case p.manifest != nil:
ctx.Set("fillStyle", "rgb(220, 220, 240)")
default:
ctx.Set("fillStyle", "rgb(255, 0, 0)")
}
ctx.Call("fillRect", p.x+1, p.y+1, p.dx-2, p.dy-2)
ctx.Set("fillStyle", "rgb(0, 0, 0)")
ctx.Set("textAlign", "center")
ctx.Set("font", "15px Monaco")
switch {
case p.manifest != nil:
ctx.Call("fillText", p.manifest.Name, p.x+p.dx/2, p.y+p.dy/2)
case p.disk != "":
ctx.Call("fillText", p.disk, p.x+p.dx/2, p.y+p.dy/2)
case p.port > 0:
ctx.Call("fillText", fmt.Sprintf("port %d", p.port), p.x+p.dx/2, p.y+p.dy/2)
}
for _, anchor := range p.anchors {
ctx.Call("fillText", anchor.text, anchor.textPt.x+p.x, anchor.textPt.y+p.y)
ctx.Call("beginPath")
ctx.Call("arc", anchor.edgePt.x+p.x, anchor.edgePt.y+p.y, 5, 0, 7)
ctx.Call("fill")
}
}
func MakePod(manifest *schema.ImageManifest, ctx *js.Object) *pod {
if manifest.App == nil {
return nil
}
p := &pod{
manifest: manifest,
x: 10,
y: 10,
dy: 75,
}
ctx.Set("fillStyle", "rgb(0, 0, 0)")
ctx.Set("textAlign", "center")
ctx.Set("textBaseline", "middle")
ctx.Set("font", "20px Monaco")
imageNameWidth := ctx.Call("measureText", p.manifest.Name.String()).Get("width").Int()
var topAnchors, botAnchors []*podAnchor
for _, port := range p.manifest.App.Ports {
topAnchors = append(topAnchors, &podAnchor{
pod: p,
edgePt: point{0, 0},
textPt: point{0, 0 + 12},
text: fmt.Sprintf("%s:%d", port.Name.String(), port.Port),
obj: &port,
})
}
for _, mount := range p.manifest.App.MountPoints {
botAnchors = append(botAnchors, &podAnchor{
pod: p,
edgePt: point{0, p.dy},
textPt: point{0, p.dy - 12},
text: mount.Name.String(),
obj: &mount,
})
}
for _, ann := range p.manifest.Annotations {
r := annotationToRequiredFlag(ann)
if r != nil {
botAnchors = append(botAnchors, &podAnchor{
pod: p,
edgePt: point{0, p.dy},
textPt: point{0, p.dy - 12},
text: r.name,
obj: r,
})
}
}
const buffer = 75
topWidth := buffer
for _, anch := range topAnchors {
topWidth += ctx.Call("measureText", anch.text).Get("width").Int()
topWidth += buffer
}
botWidth := buffer
for _, anch := range botAnchors {
botWidth += ctx.Call("measureText", anch.text).Get("width").Int()
botWidth += buffer
}
p.dx = imageNameWidth
if topWidth > p.dx {
p.dx = topWidth
}
if botWidth > p.dx {
p.dx = botWidth
}
for i, anch := range topAnchors {
x := ((i + 1) * p.dx) / (1 + len(topAnchors))
anch.edgePt.x = x
anch.textPt.x = x
p.anchors = append(p.anchors, anch)
}
for i, anch := range botAnchors {
x := ((i + 1) * p.dx) / (1 + len(botAnchors))
anch.edgePt.x = x
anch.textPt.x = x
p.anchors = append(p.anchors, anch)
}
return p
}