forked from mbk-lab/rui_orig
402 lines
11 KiB
Go
402 lines
11 KiB
Go
package rui
|
|
|
|
import (
|
|
"fmt"
|
|
"strconv"
|
|
"strings"
|
|
)
|
|
|
|
// SessionContent is the interface of a session content
|
|
type SessionContent interface {
|
|
CreateRootView(session Session) View
|
|
}
|
|
|
|
// Session provide interface to session parameters assess
|
|
type Session interface {
|
|
// App return the current application interface
|
|
App() Application
|
|
// ID return the id of the session
|
|
ID() int
|
|
|
|
// DarkTheme returns "true" if the dark theme is used
|
|
DarkTheme() bool
|
|
// Mobile returns "true" if current session is displayed on a touch screen device
|
|
TouchScreen() bool
|
|
// PixelRatio returns the ratio of the resolution in physical pixels to the resolution
|
|
// in logical pixels for the current display device.
|
|
PixelRatio() float64
|
|
// TextDirection returns the default text direction (LeftToRightDirection (1) or RightToLeftDirection (2))
|
|
TextDirection() int
|
|
// Constant returns the constant with "tag" name or "" if it is not exists
|
|
Constant(tag string) (string, bool)
|
|
// Color returns the color with "tag" name or 0 if it is not exists
|
|
Color(tag string) (Color, bool)
|
|
// SetCustomTheme set the custom theme
|
|
SetCustomTheme(name string) bool
|
|
// Language returns the current session language
|
|
Language() string
|
|
// SetLanguage set the current session language
|
|
SetLanguage(lang string)
|
|
// GetString returns the text for the current language
|
|
GetString(tag string) (string, bool)
|
|
|
|
Content() SessionContent
|
|
setContent(content SessionContent, self Session) bool
|
|
|
|
// RootView returns the root view of the session
|
|
RootView() View
|
|
// Get returns a value of the view (with id defined by the first argument) property with name defined by the second argument.
|
|
// The type of return value depends on the property. If the property is not set then nil is returned.
|
|
Get(viewID, tag string) interface{}
|
|
// Set sets the value (third argument) of the property (second argument) of the view with id defined by the first argument.
|
|
// Return "true" if the value has been set, in the opposite case "false" are returned and
|
|
// a description of the error is written to the log
|
|
Set(viewID, tag string, value interface{}) bool
|
|
|
|
resolveConstants(value string) (string, bool)
|
|
checkboxOffImage() string
|
|
checkboxOnImage() string
|
|
radiobuttonOffImage() string
|
|
radiobuttonOnImage() string
|
|
|
|
viewByHTMLID(id string) View
|
|
nextViewID() string
|
|
styleProperty(styleTag, property string) (string, bool)
|
|
stylePropertyNode(styleTag, propertyTag string) DataNode
|
|
|
|
setBrige(events chan DataObject, brige WebBrige)
|
|
writeInitScript(writer *strings.Builder)
|
|
runScript(script string)
|
|
runGetterScript(script string) DataObject //, answer chan DataObject)
|
|
handleAnswer(data DataObject)
|
|
handleResize(data DataObject)
|
|
handleViewEvent(command string, data DataObject)
|
|
close()
|
|
|
|
onStart()
|
|
onFinish()
|
|
onPause()
|
|
onResume()
|
|
onDisconnect()
|
|
onReconnect()
|
|
|
|
ignoreViewUpdates() bool
|
|
setIgnoreViewUpdates(ignore bool)
|
|
|
|
popupManager() *popupManager
|
|
imageManager() *imageManager
|
|
}
|
|
|
|
type sessionData struct {
|
|
customTheme *theme
|
|
darkTheme bool
|
|
touchScreen bool
|
|
textDirection int
|
|
pixelRatio float64
|
|
language string
|
|
languages []string
|
|
checkboxOff string
|
|
checkboxOn string
|
|
radiobuttonOff string
|
|
radiobuttonOn string
|
|
app Application
|
|
sessionID int
|
|
viewCounter int
|
|
content SessionContent
|
|
rootView View
|
|
ignoreUpdates bool
|
|
popups *popupManager
|
|
images *imageManager
|
|
brige WebBrige
|
|
events chan DataObject
|
|
}
|
|
|
|
func newSession(app Application, id int, customTheme string, params DataObject) Session {
|
|
session := new(sessionData)
|
|
session.app = app
|
|
session.sessionID = id
|
|
session.darkTheme = false
|
|
session.touchScreen = false
|
|
session.pixelRatio = 1
|
|
session.textDirection = LeftToRightDirection
|
|
session.languages = []string{}
|
|
session.viewCounter = 0
|
|
session.ignoreUpdates = false
|
|
|
|
if customTheme != "" {
|
|
if theme, ok := newTheme(customTheme); ok {
|
|
session.customTheme = theme
|
|
}
|
|
}
|
|
|
|
if value, ok := params.PropertyValue("touch"); ok {
|
|
session.touchScreen = (value == "1" || value == "true")
|
|
}
|
|
|
|
if value, ok := params.PropertyValue("direction"); ok {
|
|
if value == "rtl" {
|
|
session.textDirection = RightToLeftDirection
|
|
}
|
|
}
|
|
|
|
if value, ok := params.PropertyValue("languages"); ok {
|
|
session.languages = strings.Split(value, ",")
|
|
}
|
|
|
|
if value, ok := params.PropertyValue("dark"); ok {
|
|
session.darkTheme = (value == "1" || value == "true")
|
|
}
|
|
|
|
if value, ok := params.PropertyValue("pixel-ratio"); ok {
|
|
if f, err := strconv.ParseFloat(value, 64); err != nil {
|
|
ErrorLog(err.Error())
|
|
} else {
|
|
session.pixelRatio = f
|
|
}
|
|
}
|
|
|
|
return session
|
|
}
|
|
|
|
func (session *sessionData) App() Application {
|
|
return session.app
|
|
}
|
|
|
|
func (session *sessionData) ID() int {
|
|
return session.sessionID
|
|
}
|
|
|
|
func (session *sessionData) setBrige(events chan DataObject, brige WebBrige) {
|
|
session.events = events
|
|
session.brige = brige
|
|
}
|
|
|
|
func (session *sessionData) close() {
|
|
if session.events != nil {
|
|
session.events <- ParseDataText(`session-close{session="` + strconv.Itoa(session.sessionID) + `"}`)
|
|
}
|
|
}
|
|
|
|
func (session *sessionData) styleProperty(styleTag, propertyTag string) (string, bool) {
|
|
var style DataObject
|
|
ok := false
|
|
if session.customTheme != nil {
|
|
style, ok = session.customTheme.styles[styleTag]
|
|
}
|
|
if !ok {
|
|
style, ok = defaultTheme.styles[styleTag]
|
|
}
|
|
|
|
if ok {
|
|
if node := style.PropertyWithTag(propertyTag); node != nil && node.Type() == TextNode {
|
|
return session.resolveConstants(node.Text())
|
|
}
|
|
}
|
|
|
|
//errorLogF(`property "%v" not found`, propertyTag)
|
|
return "", false
|
|
}
|
|
|
|
func (session *sessionData) stylePropertyNode(styleTag, propertyTag string) DataNode {
|
|
var style DataObject
|
|
ok := false
|
|
if session.customTheme != nil {
|
|
style, ok = session.customTheme.styles[styleTag]
|
|
}
|
|
if !ok {
|
|
style, ok = defaultTheme.styles[styleTag]
|
|
}
|
|
|
|
if ok {
|
|
return style.PropertyWithTag(propertyTag)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (session *sessionData) nextViewID() string {
|
|
session.viewCounter++
|
|
return fmt.Sprintf("id%06d", session.viewCounter)
|
|
}
|
|
|
|
func (session *sessionData) viewByHTMLID(id string) View {
|
|
if session.rootView == nil {
|
|
return nil
|
|
}
|
|
popupManager := session.popupManager()
|
|
for _, popup := range popupManager.popups {
|
|
if view := popup.viewByHTMLID(id); view != nil {
|
|
return view
|
|
}
|
|
}
|
|
return viewByHTMLID(id, session.rootView)
|
|
}
|
|
|
|
func (session *sessionData) Content() SessionContent {
|
|
return session.content
|
|
}
|
|
|
|
func (session *sessionData) setContent(content SessionContent, self Session) bool {
|
|
if content != nil {
|
|
session.content = content
|
|
session.rootView = content.CreateRootView(self)
|
|
if session.rootView != nil {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
func (session *sessionData) RootView() View {
|
|
return session.rootView
|
|
}
|
|
|
|
func (session *sessionData) writeInitScript(writer *strings.Builder) {
|
|
var workTheme *theme
|
|
if session.customTheme == nil {
|
|
workTheme = defaultTheme
|
|
} else {
|
|
workTheme = new(theme)
|
|
workTheme.init()
|
|
workTheme.concat(defaultTheme)
|
|
workTheme.concat(session.customTheme)
|
|
}
|
|
|
|
if css := workTheme.cssText(session); css != "" {
|
|
writer.WriteString(`document.querySelector('style').textContent += "`)
|
|
writer.WriteString(css)
|
|
writer.WriteString("\";\n")
|
|
}
|
|
|
|
if session.rootView != nil {
|
|
writer.WriteString(`document.getElementById('ruiRootView').innerHTML = '`)
|
|
viewHTML(session.rootView, writer)
|
|
writer.WriteString("';\nscanElementsSize();")
|
|
}
|
|
}
|
|
|
|
func (session *sessionData) reload() {
|
|
buffer := allocStringBuilder()
|
|
defer freeStringBuilder(buffer)
|
|
|
|
session.writeInitScript(buffer)
|
|
session.runScript(buffer.String())
|
|
}
|
|
|
|
func (session *sessionData) ignoreViewUpdates() bool {
|
|
return session.brige == nil || session.ignoreUpdates
|
|
}
|
|
|
|
func (session *sessionData) setIgnoreViewUpdates(ignore bool) {
|
|
session.ignoreUpdates = ignore
|
|
}
|
|
|
|
func (session *sessionData) Get(viewID, tag string) interface{} {
|
|
if view := ViewByID(session.RootView(), viewID); view != nil {
|
|
return view.Get(tag)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (session *sessionData) Set(viewID, tag string, value interface{}) bool {
|
|
if view := ViewByID(session.RootView(), viewID); view != nil {
|
|
return view.Set(tag, value)
|
|
}
|
|
return false
|
|
}
|
|
|
|
func (session *sessionData) popupManager() *popupManager {
|
|
if session.popups == nil {
|
|
session.popups = new(popupManager)
|
|
session.popups.popups = []Popup{}
|
|
}
|
|
return session.popups
|
|
}
|
|
|
|
func (session *sessionData) imageManager() *imageManager {
|
|
if session.images == nil {
|
|
session.images = new(imageManager)
|
|
session.images.images = make(map[string]*imageData)
|
|
}
|
|
return session.images
|
|
}
|
|
|
|
func (session *sessionData) runScript(script string) {
|
|
if session.brige != nil {
|
|
session.brige.WriteMessage(script)
|
|
} else {
|
|
ErrorLog("No connection")
|
|
}
|
|
}
|
|
|
|
func (session *sessionData) runGetterScript(script string) DataObject { //}, answer chan DataObject) {
|
|
if session.brige != nil {
|
|
return session.brige.RunGetterScript(script)
|
|
}
|
|
|
|
ErrorLog("No connection")
|
|
result := NewDataObject("error")
|
|
result.SetPropertyValue("text", "No connection")
|
|
return result
|
|
}
|
|
|
|
func (session *sessionData) handleAnswer(data DataObject) {
|
|
session.brige.AnswerReceived(data)
|
|
}
|
|
|
|
func (session *sessionData) handleResize(data DataObject) {
|
|
if node := data.PropertyWithTag("views"); node != nil && node.Type() == ArrayNode {
|
|
for _, el := range node.ArrayElements() {
|
|
if el.IsObject() {
|
|
obj := el.Object()
|
|
getFloat := func(tag string) float64 {
|
|
if value, ok := obj.PropertyValue(tag); ok {
|
|
f, err := strconv.ParseFloat(value, 64)
|
|
if err == nil {
|
|
return f
|
|
}
|
|
ErrorLog(`Resize event error: ` + err.Error())
|
|
} else {
|
|
ErrorLogF(`Resize event error: the property "%s" not found`, tag)
|
|
}
|
|
return 0
|
|
}
|
|
if viewID, ok := obj.PropertyValue("id"); ok {
|
|
if n := strings.IndexRune(viewID, '-'); n > 0 {
|
|
if index, err := strconv.Atoi(viewID[n+1:]); err == nil {
|
|
if view := session.viewByHTMLID(viewID[:n]); view != nil {
|
|
view.onItemResize(view, index, getFloat("x"), getFloat("y"), getFloat("width"), getFloat("height"))
|
|
} else {
|
|
ErrorLogF(`View with id == %s not found`, viewID[:n])
|
|
}
|
|
} else {
|
|
ErrorLogF(`Invalid view id == %s not found`, viewID)
|
|
}
|
|
} else if view := session.viewByHTMLID(viewID); view != nil {
|
|
view.onResize(view, getFloat("x"), getFloat("y"), getFloat("width"), getFloat("height"))
|
|
view.setScroll(getFloat("scroll-x"), getFloat("scroll-y"), getFloat("scroll-width"), getFloat("scroll-height"))
|
|
} else {
|
|
ErrorLogF(`View with id == %s not found`, viewID)
|
|
}
|
|
} else {
|
|
ErrorLog(`"id" property not found`)
|
|
}
|
|
} else {
|
|
ErrorLog(`Resize event error: views element is not object`)
|
|
}
|
|
}
|
|
} else {
|
|
ErrorLog(`Resize event error: invalid "views" property`)
|
|
}
|
|
}
|
|
|
|
func (session *sessionData) handleViewEvent(command string, data DataObject) {
|
|
if viewID, ok := data.PropertyValue("id"); ok {
|
|
if view := session.viewByHTMLID(viewID); view != nil {
|
|
view.handleCommand(view, command, data)
|
|
}
|
|
} else {
|
|
ErrorLog(`"id" property not found. Event: ` + command)
|
|
}
|
|
}
|