alat

package module
v0.0.0-...-c4b5ad4 Latest Latest
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 Go to latest Published: Aug 3, 2022 License: MIT Imports: 3 Imported by: 0

README

alat

Webassembly package in Go for building business oriented user interfaces

This is a work in progress!

Try online example here

Documentation

Index

Constants

View Source 
const (
	NOROW              = -1
	NOTINTABLE         = -2
	ROWNUM_NOT_EXISTS  = 1
	ROWNUM_NOT_CURRENT = 2
	ROWNUM_CURRENT     = 3
)

Variables

View Source 
var (
	HTMLWindow   = js.Global()
	HTMLDocument = HTMLWindow.Get("document")
	HTMLBody     = HTMLDocument.Get("body")
)

Functions

func AttachFocusEvents 

func AttachFocusEvents(widget FocusableWidget, obj js.Value, rownum int)

func ClearNode 

func ClearNode(node js.Value)

func NewNode 

func NewNode(parent js.Value, nodeType string) js.Value

func RemoveNode 

func RemoveNode(node js.Value)

Types

type BaseFocusableWidget 

type BaseFocusableWidget struct {
	BaseWidget
	// contains filtered or unexported fields
}

func (*BaseFocusableWidget) ColumnCell 

func (w *BaseFocusableWidget) ColumnCell(parent js.Value) js.Value

If overriden, HTMLObject should be too

func (*BaseFocusableWidget) DrawInMultiRow 

func (w *BaseFocusableWidget) DrawInMultiRow(parent js.Value, rownum int) js.Value

func (*BaseFocusableWidget) HTMLObject 

func (w *BaseFocusableWidget) HTMLObject() js.Value

func (*BaseFocusableWidget) Index 

func (w *BaseFocusableWidget) Index() int

func (*BaseFocusableWidget) Init 

func (w *BaseFocusableWidget) Init(block *Block, widget FocusableWidget, parentWidget ParentWidget, label string)

func (*BaseFocusableWidget) IsFocusable 

func (w *BaseFocusableWidget) IsFocusable() bool

func (*BaseFocusableWidget) IsInMultiRow 

func (w *BaseFocusableWidget) IsInMultiRow() bool

func (*BaseFocusableWidget) Label 

func (w *BaseFocusableWidget) Label() string

func (*BaseFocusableWidget) RefreshCell 

func (w *BaseFocusableWidget) RefreshCell(cell js.Value, rowState int, value string)

func (*BaseFocusableWidget) SelectAll 

func (w *BaseFocusableWidget) SelectAll()

func (*BaseFocusableWidget) SetFocus 

func (w *BaseFocusableWidget) SetFocus()

func (*BaseFocusableWidget) SetIndex 

func (w *BaseFocusableWidget) SetIndex(index int)

func (*BaseFocusableWidget) SetLabel 

func (w *BaseFocusableWidget) SetLabel(label string)

func (*BaseFocusableWidget) WriteIfChanged 

func (w *BaseFocusableWidget) WriteIfChanged(obj js.Value, rownum int) bool

type BaseMultiRowWidget 

type BaseMultiRowWidget struct {
	BaseParentWidget
}

func (*BaseMultiRowWidget) CellElement 

func (w *BaseMultiRowWidget) CellElement(colnum int, rownum int) js.Value

func (*BaseMultiRowWidget) Init 

func (w *BaseMultiRowWidget) Init(block *Block, widget Widget, parentWidget ParentWidget)

func (*BaseMultiRowWidget) IsMultiRow 

func (w *BaseMultiRowWidget) IsMultiRow() bool

type BaseParentWidget 

type BaseParentWidget struct {
	BaseWidget
	// contains filtered or unexported fields
}

func (*BaseParentWidget) AddChild 

func (w *BaseParentWidget) AddChild(child Widget)

func (*BaseParentWidget) Children 

func (w *BaseParentWidget) Children() []Widget

func (*BaseParentWidget) Draw 

func (w *BaseParentWidget) Draw()

func (*BaseParentWidget) Init 

func (w *BaseParentWidget) Init(block *Block, widget Widget, parentWidget ParentWidget)

func (*BaseParentWidget) IsParent 

func (w *BaseParentWidget) IsParent() bool

func (*BaseParentWidget) Refresh 

func (w *BaseParentWidget) Refresh()

func (*BaseParentWidget) RefreshCurrentRow 

func (w *BaseParentWidget) RefreshCurrentRow()

func (*BaseParentWidget) Remove 

func (w *BaseParentWidget) Remove()

type BaseWidget 

type BaseWidget struct {
	// contains filtered or unexported fields
}

func (*BaseWidget) Block 

func (w *BaseWidget) Block() *Block

func (*BaseWidget) Draw 

func (w *BaseWidget) Draw()

func (*BaseWidget) HTMLObject 

func (w *BaseWidget) HTMLObject() js.Value

func (*BaseWidget) Init 

func (w *BaseWidget) Init(block *Block, widget Widget, parentWidget ParentWidget)

func (*BaseWidget) IsFocusable 

func (w *BaseWidget) IsFocusable() bool

func (*BaseWidget) IsMultiRow 

func (w *BaseWidget) IsMultiRow() bool

func (*BaseWidget) IsParent 

func (w *BaseWidget) IsParent() bool

func (*BaseWidget) ParentHTMLObject 

func (w *BaseWidget) ParentHTMLObject() js.Value

func (*BaseWidget) ParentWidget 

func (w *BaseWidget) ParentWidget() Widget

func (*BaseWidget) Refresh 

func (w *BaseWidget) Refresh()

func (*BaseWidget) RefreshCurrentRow 

func (w *BaseWidget) RefreshCurrentRow()

func (*BaseWidget) Remove 

func (w *BaseWidget) Remove()

func (*BaseWidget) SetHTMLObject 

func (w *BaseWidget) SetHTMLObject(obj js.Value)

type Block 

type Block struct {
	// contains filtered or unexported fields
}

func NewBlock 

func NewBlock(mainHtmlObject js.Value, visibleRows int) *Block

func (*Block) AddToFocusList 

func (b *Block) AddToFocusList(widget FocusableWidget)

func (*Block) Buffer 

func (b *Block) Buffer() *Buffer

func (*Block) BufferPos2ViewRow 

func (b *Block) BufferPos2ViewRow(bufferPos int) (int, bool)

func (*Block) Close 

func (b *Block) Close(msg string)

func (*Block) Connect 

func (b *Block) Connect(widget FocusableWidget, column string)

func (*Block) Draw 

func (b *Block) Draw()

func (*Block) FirstWidget 

func (b *Block) FirstWidget() FocusableWidget

func (*Block) FocusCurrent 

func (b *Block) FocusCurrent()

func (*Block) GotoRequest 

func (b *Block) GotoRequest(newWidget FocusableWidget, newPos int) bool

func (*Block) LastWidget 

func (b *Block) LastWidget() FocusableWidget

func (*Block) NextWidget 

func (b *Block) NextWidget() FocusableWidget

func (*Block) OnFocusToWidget 

func (b *Block) OnFocusToWidget(widget FocusableWidget)

func (*Block) Pos 

func (b *Block) Pos() int

func (*Block) PrevWidget 

func (b *Block) PrevWidget() FocusableWidget

func (*Block) Refresh 

func (b *Block) Refresh()

func (*Block) RefreshCurrentRow 

func (b *Block) RefreshCurrentRow()

func (*Block) RownumState 

func (b *Block) RownumState(rownum int) int

func (*Block) Send 

func (b *Block) Send(msg string)

func (*Block) ViewRow2BufferPos 

func (b *Block) ViewRow2BufferPos(viewRow int) (int, bool)

func (*Block) Wait 

func (b *Block) Wait() string

type Buffer 

type Buffer struct {
	// contains filtered or unexported fields
}

func NewBuffer 

func NewBuffer() *Buffer

func (*Buffer) CalcView 

func (b *Buffer) CalcView(begin int, end int, rows int) (int, int)

func (*Buffer) Field 

func (b *Buffer) Field(name string) (*Field, error)

func (*Buffer) Fields 

func (b *Buffer) Fields() map[string]*Field

func (*Buffer) Get 

func (b *Buffer) Get(column string) (string, error)

func (*Buffer) GetAt 

func (b *Buffer) GetAt(pos int, column string) (string, error)

func (*Buffer) Goto 

func (b *Buffer) Goto(newPos int) int

func (*Buffer) InsertRow 

func (b *Buffer) InsertRow() int

func (*Buffer) Set 

func (b *Buffer) Set(column string, value string) error

func (*Buffer) SetAt 

func (b *Buffer) SetAt(pos int, column string, value string) error

type Button 

type Button struct {
	BaseFocusableWidget
	// contains filtered or unexported fields
}

func NewButton 

func NewButton(block *Block, parentWidget ParentWidget, label string) *Button

func (*Button) Draw 

func (w *Button) Draw()

func (*Button) DrawInMultiRow 

func (w *Button) DrawInMultiRow(parent js.Value, rownum int) js.Value

func (*Button) RefreshCell 

func (w *Button) RefreshCell(cell js.Value, rowState int, value string)

func (*Button) Remove 

func (w *Button) Remove()

func (*Button) SelectAll 

func (w *Button) SelectAll()

func (*Button) SetHandler 

func (w *Button) SetHandler(hnd func(*Button))

type Container 

type Container struct {
	BaseParentWidget
}

func NewContainer 

func NewContainer(block *Block, parentWidget ParentWidget) *Container

func (*Container) Draw 

func (w *Container) Draw()

func (*Container) Remove 

func (w *Container) Remove()

type Edit 

type Edit struct {
	BaseFocusableWidget
	// contains filtered or unexported fields
}

func NewEdit 

func NewEdit(block *Block, parentWidget ParentWidget, label string) *Edit

func (*Edit) Draw 

func (w *Edit) Draw()

func (*Edit) DrawInMultiRow 

func (w *Edit) DrawInMultiRow(parent js.Value, rownum int) js.Value

func (*Edit) Refresh 

func (w *Edit) Refresh()

func (*Edit) RefreshCurrentRow 

func (w *Edit) RefreshCurrentRow()

func (*Edit) Remove 

func (w *Edit) Remove()

func (*Edit) WriteIfChanged 

func (w *Edit) WriteIfChanged(obj js.Value, rownum int) bool

type Field 

type Field struct {
	// contains filtered or unexported fields
}

func NewBlockField 

func NewBlockField(block *Block, name string) *Field

func NewRowField 

func NewRowField(block *Block, name string) *Field

func (*Field) IsRowField 

func (f *Field) IsRowField() bool

func (*Field) Name 

func (f *Field) Name() string

type FocusableWidget 

type FocusableWidget interface {
	Widget
	SetFocus()
	WriteIfChanged(obj js.Value, rownum int) bool
	SelectAll()
	Label() string
	SetLabel(string)
	Index() int
	SetIndex(int)
	IsInMultiRow() bool
	DrawInMultiRow(js.Value, int) js.Value
	ColumnCell(js.Value) js.Value
	RefreshCell(js.Value, int, string)
}

type Label 

type Label struct {
	BaseWidget
	// contains filtered or unexported fields
}

func NewLabel 

func NewLabel(block *Block, parentWidget ParentWidget, text string) *Label

func (*Label) Draw 

func (w *Label) Draw()

func (*Label) Remove 

func (w *Label) Remove()
type ModalWindow struct {
	BaseParentWidget

	BackupDocumentOnMouseUp   js.Value
	BackupDocumentOnMouseMove js.Value
	// contains filtered or unexported fields
}

func NewModalWindow 

func NewModalWindow(block *Block, title string) *ModalWindow

func (*ModalWindow) Draw 

func (w *ModalWindow) Draw()

func (*ModalWindow) Remove 

func (w *ModalWindow) Remove()

func (*ModalWindow) SetCloseHandler 

func (w *ModalWindow) SetCloseHandler(hnd func(*ModalWindow))

type MultiRowWidget 

type MultiRowWidget interface {
	ParentWidget
	CellElement(int, int) js.Value
}

type ParentWidget 

type ParentWidget interface {
	Widget
	AddChild(Widget)
	Children() []Widget
}

type Row 

type Row struct {
	Values map[string]string
}

func MakeRow 

func MakeRow() Row

type Table 

type Table struct {
	BaseMultiRowWidget
	// contains filtered or unexported fields
}

func NewTable 

func NewTable(block *Block, parentWidget ParentWidget) *Table

func (*Table) CellElement 

func (w *Table) CellElement(colnum int, rownum int) js.Value

func (*Table) Draw 

func (w *Table) Draw()

func (*Table) DrawContent 

func (w *Table) DrawContent()

func (*Table) DrawRow 

func (w *Table) DrawRow(rownum int)

func (*Table) Refresh 

func (w *Table) Refresh()

func (*Table) RefreshColumnAtRownum 

func (w *Table) RefreshColumnAtRownum(widgetColumn FocusableWidget, rownum int)

func (*Table) RefreshCurrentRow 

func (w *Table) RefreshCurrentRow()

func (*Table) RefreshRownum 

func (w *Table) RefreshRownum(rownum int)

func (*Table) Remove 

func (w *Table) Remove()

type Widget 

type Widget interface {
	Block() *Block
	ParentWidget() Widget
	ParentHTMLObject() js.Value
	HTMLObject() js.Value
	SetHTMLObject(js.Value)
	Draw()
	Refresh()
	RefreshCurrentRow()
	Remove()

	IsFocusable() bool
	IsParent() bool
	IsMultiRow() bool
}

Source Files

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