119 lines
2.1 KiB
Go
119 lines
2.1 KiB
Go
// Copyright 2018 The Walk Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build windows
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package walk
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import (
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"time"
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)
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type DateLabel struct {
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static
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date time.Time
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dateChangedPublisher EventPublisher
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format string
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formatChangedPublisher EventPublisher
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}
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func NewDateLabel(parent Container) (*DateLabel, error) {
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dl := new(DateLabel)
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if err := dl.init(dl, parent); err != nil {
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return nil, err
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}
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dl.SetTextAlignment(AlignFar)
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if _, err := dl.updateText(); err != nil {
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return nil, err
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}
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dl.MustRegisterProperty("Date", NewProperty(
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func() interface{} {
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return dl.Date()
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},
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func(v interface{}) error {
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return dl.SetDate(assertTimeOr(v, time.Time{}))
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},
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dl.dateChangedPublisher.Event()))
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dl.MustRegisterProperty("Format", NewProperty(
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func() interface{} {
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return dl.Format()
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},
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func(v interface{}) error {
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return dl.SetFormat(assertStringOr(v, ""))
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},
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dl.formatChangedPublisher.Event()))
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return dl, nil
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}
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func (dl *DateLabel) asStatic() *static {
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return &dl.static
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}
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func (dl *DateLabel) TextAlignment() Alignment1D {
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return dl.textAlignment1D()
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}
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func (dl *DateLabel) SetTextAlignment(alignment Alignment1D) error {
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if alignment == AlignDefault {
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alignment = AlignNear
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}
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return dl.setTextAlignment1D(alignment)
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}
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func (dl *DateLabel) Date() time.Time {
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return dl.date
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}
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func (dl *DateLabel) SetDate(date time.Time) error {
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if date == dl.date {
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return nil
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}
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old := dl.date
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dl.date = date
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if _, err := dl.updateText(); err != nil {
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dl.date = old
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return err
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}
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dl.dateChangedPublisher.Publish()
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return nil
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}
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func (dl *DateLabel) Format() string {
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return dl.format
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}
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func (dl *DateLabel) SetFormat(format string) error {
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if format == dl.format {
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return nil
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}
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old := dl.format
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dl.format = format
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if _, err := dl.updateText(); err != nil {
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dl.format = old
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return err
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}
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dl.formatChangedPublisher.Publish()
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return nil
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}
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func (dl *DateLabel) updateText() (changed bool, err error) {
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return dl.setText(dl.date.Format(dl.format))
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}
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