ui

package module
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 Go to latest Published: Jun 17, 2024 License: MIT Imports: 16 Imported by: 0

README

README

This README would normally document whatever steps are necessary to get your application up and running.

What is this repository for?
How do I get set up?
  • Summary of set up
  • Configuration
  • Dependencies
  • Database configuration
  • How to run tests
  • Deployment instructions
Contribution guidelines
  • Writing tests
  • Code review
  • Other guidelines
Who do I talk to?
  • Repo owner or admin
  • Other community or team contact

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func LogWindowError 

func LogWindowError(
	view View, evt WindowEventName,
	err error,
)

func LogWindowEvent 

func LogWindowEvent(view View, evt WindowEventName)

func LogWindowEventMessage 

func LogWindowEventMessage(
	view View,
	evt WindowEventName,
	msg string,
	args ...any,
)

func RegisterDialog 

func RegisterDialog(name DialogName, kind DialogKind, fn NewDialogFn)

func ShowConfirmDialog 

func ShowConfirmDialog(
	title string,
	message string,
	lblOk string,
	lblCancel string,
	callback func(bool),
	parent fyne.Window,
)

Types

type BaseDialog 

type BaseDialog struct {
	CanvasObj fyne.CanvasObject
	Data      binding.DataItem

	ViewModel DialogViewModel
	*ScreenHandler
	// contains filtered or unexported fields
}

func NewBaseDialog 

func NewBaseDialog(
	concreteDialog Dialog,
	name DialogName,
	kind DialogKind,
	viewModel DialogViewModel,
	parent fyne.Window,
	confirm OnConfirmFn,
) *BaseDialog

func NewBaseDialogWithData 

func NewBaseDialogWithData(
	concreteDialog Dialog,
	name DialogName,
	kind DialogKind,
	viewModel DialogViewModel,
	parent fyne.Window,
	confirm OnConfirmFn,
	data binding.DataItem,
) *BaseDialog

func NewBaseDialogWithDataAndScreen 

func NewBaseDialogWithDataAndScreen(
	concreteDialog Dialog,
	name DialogName,
	kind DialogKind,
	viewModel DialogViewModel,
	parent fyne.Window,
	confirm OnConfirmFn,
	data binding.DataItem,
	filesystem embed.FS,
	screenName string,
	localizer *i18n.Localizer,
	assetLoader func(string) (fs.File, error),
) *BaseDialog

func NewBaseDialogWithScreen 

func NewBaseDialogWithScreen(
	concreteDialog Dialog,
	name DialogName,
	kind DialogKind,
	viewModel DialogViewModel,
	parent fyne.Window,
	confirm OnConfirmFn,
	filesystem embed.FS,
	screenName string,
	localizer *i18n.Localizer,
	assetLoader func(string) (fs.File, error),
) *BaseDialog

func (BaseDialog) DialogKind 

func (d BaseDialog) DialogKind() DialogKind

func (BaseDialog) DialogName 

func (d BaseDialog) DialogName() DialogName

func (BaseDialog) Equals 

func (d BaseDialog) Equals(other View) bool

func (*BaseDialog) GetCanvasObject 

func (d *BaseDialog) GetCanvasObject() fyne.CanvasObject

func (BaseDialog) ID 

func (d BaseDialog) ID() string

func (*BaseDialog) Initialize 

func (d *BaseDialog) Initialize() fyne.CanvasObject

func (*BaseDialog) OnClose 

func (d *BaseDialog) OnClose(confirmed bool)

func (BaseDialog) OnConfirmFn 

func (d BaseDialog) OnConfirmFn() OnConfirmFn

func (*BaseDialog) OnHide 

func (d *BaseDialog) OnHide()

func (*BaseDialog) OnShow 

func (d *BaseDialog) OnShow()

func (*BaseDialog) Refresh 

func (d *BaseDialog) Refresh()

func (*BaseDialog) SetID 

func (d *BaseDialog) SetID(id string)

func (*BaseDialog) SetInitialFocusItem 

func (d *BaseDialog) SetInitialFocusItem(focusItem fyne.Focusable)

func (*BaseDialog) Show 

func (d *BaseDialog) Show(parent ...fyne.Window)

func (BaseDialog) Title 

func (d BaseDialog) Title() string

func (*BaseDialog) View 

func (d *BaseDialog) View() View

func (BaseDialog) Window 

func (d BaseDialog) Window() fyne.Window

type BaseView 

type BaseView struct {

	// The controller
	ViewModel ViewModel

	// Root CanvasObject of the view
	CanvasObject fyne.CanvasObject

	// ----------- ScreenHandler -------------//
	*ScreenHandler
	// contains filtered or unexported fields
}

BaseView represents the base implementation of a view You can create new view types by composing a type around BaseView

func NewBaseView 

func NewBaseView(
	concreteView View,
	viewModel ViewModel,
) *BaseView

NewBaseView creates a new baseview Any wrapper view should call this function in it's own initialization function an pass itself.

example: 

func NewWrapperView(...) *WrapperView {
	v := new(WrapperView)
	v.BaseView = NewBaseView(v)
	..
	return v
}

func NewBaseViewWithScreen 

func NewBaseViewWithScreen(
	concreteView View,
	viewModel ViewModel,
	filesystem embed.FS,
	screenName string,
	localizer *i18n.Localizer,
	assetLoader func(string) (fs.File, error),
) *BaseView

func (BaseView) Equals 

func (v BaseView) Equals(other View) bool

Equals checks equality of two views by comparing their id

func (*BaseView) GetBinding 

func (v *BaseView) GetBinding(bindingName string) binding.DataItem

func (*BaseView) GetCanvasObject 

func (v *BaseView) GetCanvasObject() fyne.CanvasObject

func (BaseView) ID 

func (v BaseView) ID() string

ID returns tie id of the view

func (*BaseView) Initialize 

func (v *BaseView) Initialize() fyne.CanvasObject

Initialize initializes the view

func (*BaseView) OnHide 

func (v *BaseView) OnHide()

func (*BaseView) OnShow 

func (v *BaseView) OnShow()

OnShow is called when the view becomes visible on the screen

func (*BaseView) Refresh 

func (v *BaseView) Refresh()

Refresh is called when the view needs a full update

func (*BaseView) RegisterMoveCallback 

func (v *BaseView) RegisterMoveCallback(cb MoveCallbackFn)

func (*BaseView) RegisterResizeCallback 

func (v *BaseView) RegisterResizeCallback(cb ResizeCallbackFn)

func (*BaseView) SetID 

func (v *BaseView) SetID(id string)

SetID allows the user to specify the ID of the view

func (BaseView) Title 

func (v BaseView) Title() string

Title returns the title of the view

type BaseViewModel 

type BaseViewModel interface {
	GetBinding(string) binding.DataItem
	GetValidator(string) fyne.StringValidator
}

type Dialog 

type Dialog interface {
	View

	Window() fyne.Window
	View() View

	SetInitialFocusItem(focusItem fyne.Focusable)

	Show(parent ...fyne.Window)
	OnClose(bool)

	DialogName() DialogName
	DialogKind() DialogKind
	OnConfirmFn() OnConfirmFn
}

func NewDialog 

func NewDialog(
	name DialogName,
	kind DialogKind,
	parent fyne.Window,
	confirm OnConfirmFn,
) Dialog

func NewDialogWithData 

func NewDialogWithData(
	name DialogName,
	kind DialogKind,
	parent fyne.Window,
	confirm OnConfirmFn,
	data binding.DataItem,
) Dialog

func NewDialogWithDataAndScreen 

func NewDialogWithDataAndScreen(
	name DialogName,
	kind DialogKind,
	parent fyne.Window,
	confirm OnConfirmFn,
	data binding.DataItem,
	filesystem embed.FS,
	screenName string,
	localizer *i18n.Localizer,
) Dialog

func NewDialogWithScreen 

func NewDialogWithScreen(
	name DialogName,
	kind DialogKind,
	parent fyne.Window,
	confirm OnConfirmFn,
	filesystem embed.FS,
	screenName string,
	localizer *i18n.Localizer,
) Dialog

type DialogKind 

type DialogKind string
const (
	DlgGeneric DialogKind = "Generic"
)

type DialogName 

type DialogName string

type DialogViewModel 

type DialogViewModel interface {
	BaseViewModel

	Initialize(data binding.DataItem) error
	RefreshData() error
}

type FormDialog 

type FormDialog struct {
	*BaseDialog
	// contains filtered or unexported fields
}

func NewFormDialog 

func NewFormDialog(
	concreteDialog Dialog,
	name DialogName,
	kind DialogKind,
	viewModel DialogViewModel,
	parent fyne.Window,
	confirm OnConfirmFn,
	itemsFn FormDialogItemsFn,
) *FormDialog

func NewFormDialogWithDataAndScreen 

func NewFormDialogWithDataAndScreen(
	concreteDialog Dialog,
	name DialogName,
	kind DialogKind,
	viewModel DialogViewModel,
	parent fyne.Window,
	confirm OnConfirmFn,
	data binding.DataItem,
	filesystem embed.FS,
	screenName string,
	localizer *i18n.Localizer,
	assetLoader func(string) (fs.File, error),
) *FormDialog

func NewFormDialogWithScreen 

func NewFormDialogWithScreen(
	concreteDialog Dialog,
	name DialogName,
	kind DialogKind,
	viewModel DialogViewModel,
	parent fyne.Window,
	confirm OnConfirmFn,
	filesystem embed.FS,
	screenName string,
	localizer *i18n.Localizer,
	assetLoader func(string) (fs.File, error),
) *FormDialog

func NewformDialogWithData 

func NewformDialogWithData(
	concreteDialog Dialog,
	name DialogName,
	kind DialogKind,
	viewModel DialogViewModel,
	parent fyne.Window,
	confirm OnConfirmFn,
	itemsFn FormDialogItemsFn,
	data binding.DataItem,
) *FormDialog

func (*FormDialog) Initialize 

func (d *FormDialog) Initialize() fyne.CanvasObject

func (*FormDialog) Refresh 

func (d *FormDialog) Refresh()

func (*FormDialog) SetButtonLabels 

func (d *FormDialog) SetButtonLabels(
	confirm string,
	dismiss string,
)

func (*FormDialog) Show 

func (d *FormDialog) Show(parent ...fyne.Window)

type FormDialogItemsFn 

type FormDialogItemsFn func() []*widget.FormItem

type MoveCallbackFn 

type MoveCallbackFn func(fyne.Position)

type NewDialogFn 

type NewDialogFn func(
	DialogName,
	DialogKind,
	fyne.Window,
	OnConfirmFn,
	binding.DataItem,
	*embed.FS,
	string,
	*i18n.Localizer) Dialog

type OnConfirmFn 

type OnConfirmFn func(bool, error, ...interface{})

type ResizeCallbackFn 

type ResizeCallbackFn func(fyne.Size)

type ScreenHandler 

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

ScreenHandler represents the handler for a screen.

It provides:

  • The screen definition
  • The localizer
  • The screen controller
  • Exported elements
  • List item templates and renderers
  • User interaction handlers

func NewScreenHandler 

func NewScreenHandler(
	filesystem embed.FS,
	screenName string,
	viewModel BaseViewModel,
	localizer *i18n.Localizer,
	assetLoader func(string) (fs.File, error),
) (h *ScreenHandler, err error)

NewScreenHandler initializes a new ScreenHandler with the provided filesystem, screen name, ScreenController, and localizer.

Arguments:

  • filesystem: the embedded filesystem to access screen resources.
  • screenName: the name of the screen to load.
  • ctrl: the ScreenController for the screen.
  • localizer: the i18n.Localizer for localization.

Returns:

  • h: the initialized ScreenHandler.
  • err: an error if loading the screen fails.

func (*ScreenHandler) GetBinding 

func (h *ScreenHandler) GetBinding(name string) binding.DataItem

GetBinding returns the binding with the given name.

This function forwards the call to the controller. In the controller the required bindings should be mapped to the screen elements.

func (*ScreenHandler) GetElement 

func (h *ScreenHandler) GetElement(id string) *screen.UIElement

GetElement returns the UIElement with the given ID.

This function allows you to retrieve the exported elements (given an ID in the screen definition). The UIElement contains the object and the decorator. Should no decorator be present, both point to the same widget. If a decorator is present it's advices to do hide and show operations on the decorator, and all other operators on the object.

func (*ScreenHandler) GetIcon 

func (h *ScreenHandler) GetIcon(iconName string) fyne.Resource

GetIcon returns the icon with the given name.

This handler only implements the default theme icons. If you wish to support other items, wrap this ScreenHandler and implement the loading of the icons yourself.

func (*ScreenHandler) GetListDataItemRenderer 

func (h *ScreenHandler) GetListDataItemRenderer(name string) screen.ListDataItemRendererFn

GetListDataItemRenderer returns the ListDataItemRenderer with the given name.

func (*ScreenHandler) GetListItemRenderer 

func (h *ScreenHandler) GetListItemRenderer(name string) screen.ListItemRendererFn

GetListItemRenderer returns the ListItemRenderer with the given name.

func (*ScreenHandler) GetListItemTemplate 

func (h *ScreenHandler) GetListItemTemplate(name string) screen.ListItemTemplateFn

GetListItemTemplate returns the ListItemTemplate with the given name.

func (*ScreenHandler) GetListLength 

func (h *ScreenHandler) GetListLength(name string) screen.ListLengthFn

GetListLength returns the ListLength with the given name.

func (*ScreenHandler) GetLocalizer 

func (h *ScreenHandler) GetLocalizer() *i18n.Localizer

GetLocalizer returns the i18n.Localizer used for localization.

func (*ScreenHandler) GetOnCheckChangedHandler 

func (h *ScreenHandler) GetOnCheckChangedHandler(name string) screen.CheckHandlerFn

GetOnCheckChangedHandler returns the OnCheckChangedHandler with the given name.

func (*ScreenHandler) GetOnClickedHandler 

func (h *ScreenHandler) GetOnClickedHandler(name string) screen.ClickHandlerFn

GetOnClickedHandler returns the OnClickedHandler with the given name.

func (*ScreenHandler) GetOnDateSelectedHandler 

func (h *ScreenHandler) GetOnDateSelectedHandler(name string) screen.DateSelectedHandlerFn

GetOnDateSelectedHandler returns the OnDateSelectedHandler with the given name.

func (*ScreenHandler) GetOnListItemSelectedHandler 

func (h *ScreenHandler) GetOnListItemSelectedHandler(name string) screen.ListItemHandlerFn

GetOnListItemSelectedHandler returns the OnListItemSelectedHandler with the given name.

func (*ScreenHandler) GetOnListItemUnselectedHandler 

func (h *ScreenHandler) GetOnListItemUnselectedHandler(name string) screen.ListItemHandlerFn

GetOnListItemUnselectedHandler returns the OnListItemUnselectedHandler with the given name.

func (*ScreenHandler) GetOnOptionSelectedHandler 

func (h *ScreenHandler) GetOnOptionSelectedHandler(name string) screen.OptionSelectedHandlerFn

func (*ScreenHandler) GetOnValidationChangedHandler 

func (h *ScreenHandler) GetOnValidationChangedHandler(name string) screen.ValidationChangedHandlerFn

GetOnValidationChangedHandler returns the OnValidationChangedHandler with the given name.

func (*ScreenHandler) GetValidator 

func (h *ScreenHandler) GetValidator(name string) fyne.StringValidator

GetValidator returns the validator with the given name.

This function forwards the call to the controller. In the controller the required validators should be mapped to the screen elements.

func (*ScreenHandler) LoadAsset 

func (h *ScreenHandler) LoadAsset(name string) (fh fs.File, err error)

func (*ScreenHandler) RegisterElement 

func (h *ScreenHandler) RegisterElement(
	id string,
	elem fyne.CanvasObject,
	decorator fyne.CanvasObject,
)

RegisterElement registers an element with the ScreenHandler.

This function is called for every element in the screen definition fow which an ID is defined.

func (*ScreenHandler) RegisterListDataItemRenderer 

func (h *ScreenHandler) RegisterListDataItemRenderer(
	name string,
	fn screen.ListDataItemRendererFn,
)

RegisterListDataItemRenderer registers a ListDataItemRenderer with the ScreenHandler.

Use this function to register the renderers for the lists used in the screen definition.

func (*ScreenHandler) RegisterListItemRenderer 

func (h *ScreenHandler) RegisterListItemRenderer(
	name string,
	fn screen.ListItemRendererFn,
)

RegisterListItemRenderer registers a ListItemRenderer with the ScreenHandler.

Use this function to register the renderers for the lists used in the screen definition.

func (*ScreenHandler) RegisterListItemTemplate 

func (h *ScreenHandler) RegisterListItemTemplate(
	name string,
	fn screen.ListItemTemplateFn,
)

RegisterListItemTemplate registers a ListItemTemplate with the ScreenHandler.

Use this function to register the templates for the lists used in the screen definition.

func (*ScreenHandler) RegisterListLength 

func (h *ScreenHandler) RegisterListLength(
	name string,
	fn screen.ListLengthFn,
)

RegisterListLength registers a ListLength with the ScreenHandler.

Use this function to register the lengths for the lists used in the screen definition.

func (*ScreenHandler) RegisterMoveCallback 

func (h *ScreenHandler) RegisterMoveCallback(cb MoveCallbackFn)

func (*ScreenHandler) RegisterOnCheckChangedHandler 

func (h *ScreenHandler) RegisterOnCheckChangedHandler(
	name string,
	fn screen.CheckHandlerFn,
)

RegisterOnCheckChangedHandler registers a OnCheckChangedHandler with the ScreenHandler.

Use this function to register the handler functions used in the screen definition.

func (*ScreenHandler) RegisterOnClickHandler 

func (h *ScreenHandler) RegisterOnClickHandler(
	name string,
	fn screen.ClickHandlerFn,
)

RegisterOnClickHandler registers a OnClickHandler with the ScreenHandler.

Use this function to register the handler functions used in the screen definition.

func (*ScreenHandler) RegisterOnDateSelectedHandler 

func (h *ScreenHandler) RegisterOnDateSelectedHandler(
	name string,
	fn screen.DateSelectedHandlerFn,
)

RegisterOnDateSelectedHandler registers a OnDateSelectedHandler with the ScreenHandler.

Use this function to register the handler functions used in the screen definition.

func (*ScreenHandler) RegisterOnListItemSelectedHandler 

func (h *ScreenHandler) RegisterOnListItemSelectedHandler(
	name string,
	fn screen.ListItemHandlerFn,
)

RegisterOnListItemSelectedHandler registers a OnListItemSelectedHandler with the ScreenHandler.

Use this function to register the handler functions used in the screen definition.

func (*ScreenHandler) RegisterOnListItemUnselectedHandler 

func (h *ScreenHandler) RegisterOnListItemUnselectedHandler(
	name string,
	fn screen.ListItemHandlerFn,
)

RegisterOnListItemUnselectedHandler registers a OnListItemUnselectedHandler with the ScreenHandler.

Use this function to register the handler functions used in the screen definition.

func (*ScreenHandler) RegisterOnOptionSelectedHandler 

func (h *ScreenHandler) RegisterOnOptionSelectedHandler(
	name string,
	fn screen.OptionSelectedHandlerFn,
)

RegisterOnOptionSelectedHandler registers a OnOptionSelectedHandler with the ScreenHandler.

Use this function to register the handler functions used in the screen definition.

func (*ScreenHandler) RegisterOnValidationChangedHandler 

func (h *ScreenHandler) RegisterOnValidationChangedHandler(
	name string,
	fn screen.ValidationChangedHandlerFn,
)

RegisterOnValidationChangedHandler registers a OnValidationChangedHandler with the ScreenHandler.

Use this function to register the handler functions used in the screen definition.

func (*ScreenHandler) RegisterResizeCallback 

func (h *ScreenHandler) RegisterResizeCallback(cb ResizeCallbackFn)

func (*ScreenHandler) ReplaceElementObject 

func (h *ScreenHandler) ReplaceElementObject(
	containerId string,
	id string,
	newDecorator fyne.CanvasObject,
	newObject fyne.CanvasObject,
)

func (*ScreenHandler) ScreenDefinition 

func (h *ScreenHandler) ScreenDefinition() *screen.Screen

ScreenDefinition returns the screen definition for the ScreenHandler.

type Shortcut 

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

Shortcut represents a shortcut composed of a modifier + key combination Implements: fyne.Shortcut

func NewShortcut 

func NewShortcut(
	name string,
	key fyne.KeyName,
	modifier ...fyne.KeyModifier,
) *Shortcut

Create a new shortcut

func (*Shortcut) Key 

func (s *Shortcut) Key() fyne.KeyName

Key returns the shortcut key

func (*Shortcut) Mod 

func (s *Shortcut) Mod() fyne.KeyModifier

Mod returns the shortcut modifier combination

func (*Shortcut) ShortcutName 

func (s *Shortcut) ShortcutName() string

ShortcutName returs the modifier shortcut combination

type TabbedView 

type TabbedView struct {
	*BaseView
	// contains filtered or unexported fields
}

func NewTabbedView 

func NewTabbedView(
	controller ViewModel,
	tabLocation container.TabLocation,
	tabview ...View,
) *TabbedView

NewTabbedView creates a new tabbed view

func (*TabbedView) Append 

func (v *TabbedView) Append(tabview ...View)

func (*TabbedView) Initialize 

func (v *TabbedView) Initialize() fyne.CanvasObject

func (*TabbedView) NumTabs 

func (v *TabbedView) NumTabs() int

func (*TabbedView) OnHide 

func (v *TabbedView) OnHide()

func (*TabbedView) OnShow 

func (v *TabbedView) OnShow()

func (*TabbedView) Refresh 

func (v *TabbedView) Refresh()

func (*TabbedView) Remove 

func (v *TabbedView) Remove(idx int)

func (*TabbedView) RemoveActive 

func (v *TabbedView) RemoveActive()

func (*TabbedView) SelectTab 

func (v *TabbedView) SelectTab(view View)

func (*TabbedView) SelectTabIndex 

func (v *TabbedView) SelectTabIndex(index int)

func (*TabbedView) TabIndex 

func (v *TabbedView) TabIndex(view View) int

type View 

type View interface {
	// ID of the view
	// Each view implementation should create a unique ID automatically
	ID() string

	// SetID allows the user to specify the ID of the view
	SetID(string)

	// Checs equality of two views by comparing their id.
	Equals(View) bool

	// Title returns the title of the view
	// The title is displayed in the main bar for root views, or in the tabs of
	// views that are childeren of a tabview
	Title() string

	// Initializes the view
	// An implementation should completely configure the view including the UI,
	// controller state etc.
	Initialize() fyne.CanvasObject

	// Refresh is called when the view needs a full update
	// The implementation should decide what to refresh on the view and wether
	// it nees to refresh the controller or not
	Refresh()

	// OnShow is called when the view becomes visible on the screen
	OnShow()

	// OnHide is called when the view is removed from the screen
	OnHide()

	GetCanvasObject() fyne.CanvasObject
}

View interface represents a generic gui view. This can be:

  • A full main view
  • A subview of another view
  • A dialog

type ViewModel 

type ViewModel interface {
	BaseViewModel

	Initialize() error
	RefreshData() error
}

type WindowEventName 

type WindowEventName string

WindowEventName defines common names for event occurring in the gui system 

const (
	LoadScreen      WindowEventName = "LoadScreen"
	Initialize      WindowEventName = "Initialize"
	Refresh         WindowEventName = "Refresh"
	OnShow          WindowEventName = "OnShow"
	OnHide          WindowEventName = "OnHide"
	OnClose         WindowEventName = "OnClose"
	OnTabSelected   WindowEventName = "OnTabSelected"
	OnTabUnselected WindowEventName = "OnTabUnselected"
)

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