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Replaced webview with textflow in TootView

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This makes toots look nicer, hyperlinks work and it has many more advanteges
This commit is contained in:
Balazs Toldi 2021-03-15 21:03:14 +01:00
parent 7079bbe20d
commit e09f52bf5c
Signed by: Bazsalanszky
GPG key ID: 933820884952BE27
1 changed files with 63 additions and 15 deletions
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78
src/main/kotlin/eu/toldi/mastodon/view/TootView.kt
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@ -1,12 +1,19 @@
package eu.toldi.mastodon.view
import eu.toldi.mastodon.entities.Toot
import javafx.application.Platform
import javafx.scene.layout.BorderPane
import javafx.scene.text.Text
import eu.toldi.mastodon.helpers.BrowserHelper
import javafx.scene.text.TextFlow
import org.w3c.dom.Document
import org.w3c.dom.Node
import org.xml.sax.InputSource
import tornadofx.*
import java.io.StringReader
import java.util.regex.Pattern
import javax.xml.parsers.DocumentBuilderFactory
class TootView(val t:Toot) : View("My View") {
class TootView(val t: Toot) : View("My View") {
lateinit var textFlow: TextFlow
override val root = borderpane {
top = hbox {
setPrefSize(64.0, 64.0)
@ -22,20 +29,61 @@ class TootView(val t:Toot) : View("My View") {
}
center {
stackpane {
val w = webview{
engine.loadContent(t.content)
engine.loadWorker.stateProperty().onChange {
val wh = engine.executeScript("document.documentElement.scrollHeight").toString().toDouble()
prefHeight = wh
}
}
widthProperty().onChange {
w.prefWidth = it
val wh = w.engine.executeScript("document.documentElement.scrollHeight").toString().toDouble()
w.prefHeight = wh
textFlow = textflow {
}
}
}
}
val br_pattern = Pattern.compile("(<br>|<br[ ]?/>)")
init {
parseContent()
}
fun parseContent() {
val factory = DocumentBuilderFactory.newDefaultInstance()
val builder = factory.newDocumentBuilder()
val html = "<html>${t.content}</html>"
var doc: Document = builder.parse(InputSource(StringReader(html.replace(br_pattern.toRegex(),"\n"))))
val nodes = doc.getElementsByTagName("html").item(0).childNodes
for (i in 0..nodes.length) {
val node = nodes.item(i) ?: continue
parseNode(node)
}
}
fun parseNode(node: Node) {
when {
node.childNodes.length > 1 && node.nodeName != "a" -> {
for (i in 0..node.childNodes.length) {
val n = node.childNodes.item(i) ?: continue
parseNode(n)
}
}
node.nodeName == "p" -> {
parseNode(node.childNodes.item(0))
textFlow += text("\n\n")
}
node.nodeName == "a" -> {
textFlow += hyperlink(node.textContent) {
setOnAction {
BrowserHelper.openLink(node.attributes.getNamedItem("href").nodeValue)
}
}
}
node.nodeName == "span" -> {
textFlow += text(node.textContent)
}
node.nodeName == "br" -> {
textFlow += text("\n")
}
else -> {
textFlow += text(node.textContent)
}
}
}
}