Example #1
0
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)
		}
	}
}
Example #2
0
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))
	}
}
Example #3
0
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))
	}
}
Example #4
0
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)
}
Example #5
0
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))
}
Example #6
0
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
}
Example #7
0
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()))
}
Example #8
0
// SetInnerHTML calls the innerHTML setter with the given string
func SetInnerHTML(o *js.Object, html string) {
	o.Set("innerHTML", html)
}
Example #9
0
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
}
Example #10
0
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()))
}
Example #11
0
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")
	}
}
Example #12
0
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
}