mirror of https://github.com/anoshenko/rui.git
609 lines
16 KiB
Go
609 lines
16 KiB
Go
package rui
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import (
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"strconv"
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"strings"
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)
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const (
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// EditTextChangedEvent is the constant for the "edit-text-changed" property tag.
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EditTextChangedEvent = "edit-text-changed"
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// EditViewType is the constant for the "edit-view-type" property tag.
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EditViewType = "edit-view-type"
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// EditViewPattern is the constant for the "edit-view-pattern" property tag.
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EditViewPattern = "edit-view-pattern"
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// Spellcheck is the constant for the "spellcheck" property tag.
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Spellcheck = "spellcheck"
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)
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const (
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// SingleLineText - single-line text type of EditView
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SingleLineText = 0
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// PasswordText - password type of EditView
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PasswordText = 1
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// EmailText - e-mail type of EditView. Allows to enter one email
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EmailText = 2
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// EmailsText - e-mail type of EditView. Allows to enter multiple emails separated by comma
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EmailsText = 3
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// URLText - url type of EditView. Allows to enter one url
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URLText = 4
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// PhoneText - telephone type of EditView. Allows to enter one phone number
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PhoneText = 5
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// MultiLineText - multi-line text type of EditView
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MultiLineText = 6
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)
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// EditView - grid-container of View
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type EditView interface {
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View
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AppendText(text string)
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}
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type editViewData struct {
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viewData
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textChangeListeners []func(EditView, string, string)
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}
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// NewEditView create new EditView object and return it
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func NewEditView(session Session, params Params) EditView {
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view := new(editViewData)
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view.init(session)
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setInitParams(view, params)
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return view
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}
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func newEditView(session Session) View {
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return NewEditView(session, nil)
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}
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func (edit *editViewData) init(session Session) {
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edit.viewData.init(session)
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edit.hasHtmlDisabled = true
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edit.textChangeListeners = []func(EditView, string, string){}
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edit.tag = "EditView"
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}
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func (edit *editViewData) String() string {
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return getViewString(edit, nil)
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}
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func (edit *editViewData) Focusable() bool {
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return true
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}
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func (edit *editViewData) normalizeTag(tag string) string {
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tag = strings.ToLower(tag)
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switch tag {
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case Type, "edit-type":
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return EditViewType
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case Pattern, "edit-pattern":
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return EditViewPattern
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case "maxlength", "maxlen":
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return MaxLength
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case "wrap":
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return EditWrap
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}
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return tag
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}
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func (edit *editViewData) Remove(tag string) {
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edit.remove(edit.normalizeTag(tag))
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}
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func (edit *editViewData) remove(tag string) {
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_, exists := edit.properties[tag]
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switch tag {
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case Hint:
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if exists {
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delete(edit.properties, Hint)
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if edit.created {
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edit.session.removeProperty(edit.htmlID(), "placeholder")
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}
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edit.propertyChangedEvent(tag)
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}
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case MaxLength:
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if exists {
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delete(edit.properties, MaxLength)
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if edit.created {
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edit.session.removeProperty(edit.htmlID(), "maxlength")
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}
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edit.propertyChangedEvent(tag)
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}
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case ReadOnly, Spellcheck:
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if exists {
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delete(edit.properties, tag)
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if edit.created {
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edit.session.updateProperty(edit.htmlID(), tag, false)
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}
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edit.propertyChangedEvent(tag)
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}
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case EditTextChangedEvent:
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if len(edit.textChangeListeners) > 0 {
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edit.textChangeListeners = []func(EditView, string, string){}
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edit.propertyChangedEvent(tag)
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}
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case Text:
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if exists {
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oldText := GetText(edit)
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delete(edit.properties, tag)
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if oldText != "" {
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edit.textChanged("", oldText)
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if edit.created {
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edit.session.callFunc("setInputValue", edit.htmlID(), "")
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}
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}
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}
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case EditViewPattern:
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if exists {
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oldText := GetEditViewPattern(edit)
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delete(edit.properties, tag)
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if oldText != "" {
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if edit.created {
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edit.session.removeProperty(edit.htmlID(), Pattern)
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}
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edit.propertyChangedEvent(tag)
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}
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}
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case EditViewType:
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if exists {
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oldType := GetEditViewType(edit)
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delete(edit.properties, tag)
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if oldType != 0 {
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if edit.created {
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updateInnerHTML(edit.parentHTMLID(), edit.session)
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}
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edit.propertyChangedEvent(tag)
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}
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}
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case EditWrap:
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if exists {
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oldWrap := IsEditViewWrap(edit)
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delete(edit.properties, tag)
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if GetEditViewType(edit) == MultiLineText {
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if wrap := IsEditViewWrap(edit); wrap != oldWrap {
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if edit.created {
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if wrap {
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edit.session.updateProperty(edit.htmlID(), "wrap", "soft")
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} else {
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edit.session.updateProperty(edit.htmlID(), "wrap", "off")
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}
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}
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edit.propertyChangedEvent(tag)
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}
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}
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}
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default:
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edit.viewData.remove(tag)
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return
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}
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}
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func (edit *editViewData) Set(tag string, value any) bool {
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return edit.set(edit.normalizeTag(tag), value)
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}
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func (edit *editViewData) set(tag string, value any) bool {
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if value == nil {
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edit.remove(tag)
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return true
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}
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switch tag {
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case Text:
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oldText := GetText(edit)
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if text, ok := value.(string); ok {
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edit.properties[Text] = text
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if text = GetText(edit); oldText != text {
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edit.textChanged(text, oldText)
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if edit.created {
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edit.session.callFunc("setInputValue", edit.htmlID(), text)
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}
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}
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return true
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}
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return false
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case Hint:
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oldText := GetHint(edit)
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if text, ok := value.(string); ok {
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edit.properties[Hint] = text
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if text = GetHint(edit); oldText != text {
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if edit.created {
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if text != "" {
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edit.session.updateProperty(edit.htmlID(), "placeholder", text)
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} else {
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edit.session.removeProperty(edit.htmlID(), "placeholder")
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}
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}
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edit.propertyChangedEvent(tag)
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}
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return true
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}
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return false
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case MaxLength:
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oldMaxLength := GetMaxLength(edit)
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if edit.setIntProperty(MaxLength, value) {
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if maxLength := GetMaxLength(edit); maxLength != oldMaxLength {
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if edit.created {
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if maxLength > 0 {
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edit.session.updateProperty(edit.htmlID(), "maxlength", strconv.Itoa(maxLength))
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} else {
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edit.session.removeProperty(edit.htmlID(), "maxlength")
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}
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}
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edit.propertyChangedEvent(tag)
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}
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return true
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}
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return false
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case ReadOnly:
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if edit.setBoolProperty(ReadOnly, value) {
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if edit.created {
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if IsReadOnly(edit) {
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edit.session.updateProperty(edit.htmlID(), ReadOnly, "")
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} else {
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edit.session.removeProperty(edit.htmlID(), ReadOnly)
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}
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}
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edit.propertyChangedEvent(tag)
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return true
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}
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return false
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case Spellcheck:
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if edit.setBoolProperty(Spellcheck, value) {
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if edit.created {
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edit.session.updateProperty(edit.htmlID(), Spellcheck, IsSpellcheck(edit))
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}
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edit.propertyChangedEvent(tag)
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return true
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}
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return false
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case EditViewPattern:
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oldText := GetEditViewPattern(edit)
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if text, ok := value.(string); ok {
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edit.properties[EditViewPattern] = text
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if text = GetEditViewPattern(edit); oldText != text {
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if edit.created {
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if text != "" {
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edit.session.updateProperty(edit.htmlID(), Pattern, text)
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} else {
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edit.session.removeProperty(edit.htmlID(), Pattern)
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}
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}
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edit.propertyChangedEvent(tag)
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}
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return true
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}
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return false
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case EditViewType:
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oldType := GetEditViewType(edit)
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if edit.setEnumProperty(EditViewType, value, enumProperties[EditViewType].values) {
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if GetEditViewType(edit) != oldType {
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if edit.created {
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updateInnerHTML(edit.parentHTMLID(), edit.session)
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}
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edit.propertyChangedEvent(tag)
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}
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return true
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}
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return false
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case EditWrap:
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oldWrap := IsEditViewWrap(edit)
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if edit.setBoolProperty(EditWrap, value) {
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if GetEditViewType(edit) == MultiLineText {
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if wrap := IsEditViewWrap(edit); wrap != oldWrap {
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if edit.created {
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if wrap {
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edit.session.updateProperty(edit.htmlID(), "wrap", "soft")
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} else {
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edit.session.updateProperty(edit.htmlID(), "wrap", "off")
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}
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}
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edit.propertyChangedEvent(tag)
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}
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}
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return true
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}
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return false
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case EditTextChangedEvent:
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listeners, ok := valueToEventWithOldListeners[EditView, string](value)
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if !ok {
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notCompatibleType(tag, value)
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return false
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} else if listeners == nil {
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listeners = []func(EditView, string, string){}
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}
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edit.textChangeListeners = listeners
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edit.propertyChangedEvent(tag)
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return true
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}
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return edit.viewData.set(tag, value)
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}
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func (edit *editViewData) Get(tag string) any {
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return edit.get(edit.normalizeTag(tag))
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}
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func (edit *editViewData) get(tag string) any {
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if tag == EditTextChangedEvent {
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return edit.textChangeListeners
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}
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return edit.viewData.get(tag)
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}
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func (edit *editViewData) AppendText(text string) {
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if GetEditViewType(edit) == MultiLineText {
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if value := edit.getRaw(Text); value != nil {
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if textValue, ok := value.(string); ok {
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oldText := textValue
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textValue += text
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edit.properties[Text] = textValue
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edit.session.callFunc("appendToInnerHTML", edit.htmlID(), text)
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edit.textChanged(textValue, oldText)
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return
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}
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}
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edit.set(Text, text)
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} else {
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edit.set(Text, GetText(edit)+text)
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}
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}
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func (edit *editViewData) textChanged(newText, oldText string) {
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for _, listener := range edit.textChangeListeners {
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listener(edit, newText, oldText)
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}
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edit.propertyChangedEvent(Text)
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}
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func (edit *editViewData) htmlTag() string {
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if GetEditViewType(edit) == MultiLineText {
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return "textarea"
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}
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return "input"
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}
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func (edit *editViewData) htmlProperties(self View, buffer *strings.Builder) {
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edit.viewData.htmlProperties(self, buffer)
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writeSpellcheck := func() {
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if spellcheck := IsSpellcheck(edit); spellcheck {
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buffer.WriteString(` spellcheck="true"`)
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} else {
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buffer.WriteString(` spellcheck="false"`)
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}
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}
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editType := GetEditViewType(edit)
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switch editType {
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case SingleLineText:
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buffer.WriteString(` type="text" inputmode="text"`)
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writeSpellcheck()
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case PasswordText:
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buffer.WriteString(` type="password" inputmode="text"`)
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case EmailText:
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buffer.WriteString(` type="email" inputmode="email"`)
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case EmailsText:
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buffer.WriteString(` type="email" inputmode="email" multiple`)
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case URLText:
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buffer.WriteString(` type="url" inputmode="url"`)
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case PhoneText:
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buffer.WriteString(` type="tel" inputmode="tel"`)
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case MultiLineText:
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if IsEditViewWrap(edit) {
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buffer.WriteString(` wrap="soft"`)
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} else {
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buffer.WriteString(` wrap="off"`)
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}
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writeSpellcheck()
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}
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if IsReadOnly(edit) {
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buffer.WriteString(` readonly`)
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}
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if maxLength := GetMaxLength(edit); maxLength > 0 {
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buffer.WriteString(` maxlength="`)
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buffer.WriteString(strconv.Itoa(maxLength))
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buffer.WriteByte('"')
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}
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convertText := func(text string) string {
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if strings.ContainsRune(text, '"') {
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text = strings.ReplaceAll(text, `"`, `"`)
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}
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if strings.ContainsRune(text, '\n') {
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text = strings.ReplaceAll(text, "\n", `\n`)
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}
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return text
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}
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if hint := GetHint(edit); hint != "" {
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buffer.WriteString(` placeholder="`)
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buffer.WriteString(convertText(hint))
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buffer.WriteByte('"')
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}
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buffer.WriteString(` oninput="editViewInputEvent(this)"`)
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if pattern := GetEditViewPattern(edit); pattern != "" {
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buffer.WriteString(` pattern="`)
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buffer.WriteString(convertText(pattern))
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buffer.WriteByte('"')
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}
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if text := GetText(edit); text != "" {
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buffer.WriteString(` value="`)
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buffer.WriteString(convertText(text))
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buffer.WriteByte('"')
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}
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}
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func (edit *editViewData) handleCommand(self View, command string, data DataObject) bool {
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switch command {
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case "textChanged":
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oldText := GetText(edit)
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if text, ok := data.PropertyValue("text"); ok {
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edit.properties[Text] = text
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if text := GetText(edit); text != oldText {
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edit.textChanged(text, oldText)
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}
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}
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return true
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}
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return edit.viewData.handleCommand(self, command, data)
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}
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// GetText returns a text of the EditView subview.
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// If the second argument (subviewID) is not specified or it is "" then a text of the first argument (view) is returned.
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func GetText(view View, subviewID ...string) string {
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if len(subviewID) > 0 && subviewID[0] != "" {
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view = ViewByID(view, subviewID[0])
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}
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if view != nil {
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if value := view.getRaw(Text); value != nil {
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if text, ok := value.(string); ok {
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return text
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}
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}
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}
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return ""
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}
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// GetHint returns a hint text of the subview.
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// If the second argument (subviewID) is not specified or it is "" then a text of the first argument (view) is returned.
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func GetHint(view View, subviewID ...string) string {
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if len(subviewID) > 0 && subviewID[0] != "" {
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view = ViewByID(view, subviewID[0])
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}
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session := view.Session()
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text := ""
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if view != nil {
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var ok bool
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text, ok = stringProperty(view, Hint, view.Session())
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if !ok {
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if value := valueFromStyle(view, Hint); value != nil {
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if text, ok = value.(string); ok {
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if text, ok = session.resolveConstants(text); !ok {
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text = ""
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}
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} else {
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text = ""
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}
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}
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}
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}
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if text != "" && !GetNotTranslate(view) {
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text, _ = session.GetString(text)
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}
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return text
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}
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// GetMaxLength returns a maximal length of EditView. If a maximal length is not limited then 0 is returned
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// If the second argument (subviewID) is not specified or it is "" then a value of the first argument (view) is returned.
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func GetMaxLength(view View, subviewID ...string) int {
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return intStyledProperty(view, subviewID, MaxLength, 0)
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}
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// IsReadOnly returns the true if a EditView works in read only mode.
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// If the second argument (subviewID) is not specified or it is "" then a value of the first argument (view) is returned.
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func IsReadOnly(view View, subviewID ...string) bool {
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return boolStyledProperty(view, subviewID, ReadOnly, false)
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}
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// IsSpellcheck returns a value of the Spellcheck property of EditView.
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// If the second argument (subviewID) is not specified or it is "" then a value from the first argument (view) is returned.
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func IsSpellcheck(view View, subviewID ...string) bool {
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return boolStyledProperty(view, subviewID, Spellcheck, false)
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}
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// GetTextChangedListeners returns the TextChangedListener list of an EditView or MultiLineEditView subview.
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// If there are no listeners then the empty list is returned
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// If the second argument (subviewID) is not specified or it is "" then a value from the first argument (view) is returned.
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func GetTextChangedListeners(view View, subviewID ...string) []func(EditView, string, string) {
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return getEventWithOldListeners[EditView, string](view, subviewID, EditTextChangedEvent)
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}
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// GetEditViewType returns a value of the Type property of EditView.
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// If the second argument (subviewID) is not specified or it is "" then a value from the first argument (view) is returned.
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func GetEditViewType(view View, subviewID ...string) int {
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return enumStyledProperty(view, subviewID, EditViewType, SingleLineText, false)
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}
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// GetEditViewPattern returns a value of the Pattern property of EditView.
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// If the second argument (subviewID) is not specified or it is "" then a value from the first argument (view) is returned.
|
|
func GetEditViewPattern(view View, subviewID ...string) string {
|
|
if len(subviewID) > 0 && subviewID[0] != "" {
|
|
view = ViewByID(view, subviewID[0])
|
|
}
|
|
if view != nil {
|
|
if pattern, ok := stringProperty(view, EditViewPattern, view.Session()); ok {
|
|
return pattern
|
|
}
|
|
if value := valueFromStyle(view, EditViewPattern); value != nil {
|
|
if pattern, ok := value.(string); ok {
|
|
if pattern, ok = view.Session().resolveConstants(pattern); ok {
|
|
return pattern
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return ""
|
|
}
|
|
|
|
// IsEditViewWrap returns a value of the EditWrap property of MultiLineEditView.
|
|
// If the second argument (subviewID) is not specified or it is "" then a value from the first argument (view) is returned.
|
|
func IsEditViewWrap(view View, subviewID ...string) bool {
|
|
return boolStyledProperty(view, subviewID, EditWrap, false)
|
|
}
|
|
|
|
// AppendEditText appends the text to the EditView content.
|
|
// If the second argument (subviewID) is not specified or it is "" then a value from the first argument (view) is returned.
|
|
func AppendEditText(view View, subviewID string, text string) {
|
|
if subviewID != "" {
|
|
if edit := EditViewByID(view, subviewID); edit != nil {
|
|
edit.AppendText(text)
|
|
return
|
|
}
|
|
}
|
|
|
|
if edit, ok := view.(EditView); ok {
|
|
edit.AppendText(text)
|
|
}
|
|
}
|
|
|
|
// GetCaretColor returns the color of the text input caret.
|
|
// If the second argument (subviewID) is not specified or it is "" then a value from the first argument (view) is returned.
|
|
func GetCaretColor(view View, subviewID ...string) Color {
|
|
return colorStyledProperty(view, subviewID, CaretColor, false)
|
|
}
|