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Restore MarkdownTextInput contents (#2902)

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* Restore `MarkdownTextInput` contents: create a `MarkdownTextInputStateSaver` and use it to save and restore the text and selection.

* Add default text flags to the markdown composer
This commit is contained in:
Jorge Martin Espinosa
2024-05-23 14:59:08 +02:00
committed by GitHub
parent 4df6d0c038
commit cdf6c56f7f
5 changed files with 50 additions and 2 deletions
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5
libraries/textcomposer/impl/src/main/kotlin/io/element/android/libraries/textcomposer/components/markdown/MarkdownTextInput.kt
View File

@@ -18,6 +18,7 @@ package io.element.android.libraries.textcomposer.components.markdown
import android.graphics.Color
import android.text.Editable
import android.text.InputType
import android.text.Selection
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.padding
@@ -59,6 +60,10 @@ fun MarkdownTextInput(
setPadding(0)
setBackgroundColor(Color.TRANSPARENT)
setText(state.text.value())
inputType = InputType.TYPE_CLASS_TEXT or
InputType.TYPE_TEXT_FLAG_CAP_SENTENCES or
InputType.TYPE_TEXT_FLAG_MULTI_LINE or
InputType.TYPE_TEXT_FLAG_AUTO_CORRECT
if (canUpdateState) {
setSelection(state.selection.first, state.selection.last)
setOnFocusChangeListener { _, hasFocus ->

41
libraries/textcomposer/impl/src/main/kotlin/io/element/android/libraries/textcomposer/model/MarkdownTextEditorState.kt
View File

@@ -16,14 +16,19 @@
package io.element.android.libraries.textcomposer.model
import android.os.Parcelable
import android.text.Spannable
import android.text.SpannableString
import android.text.SpannableStringBuilder
import android.text.Spanned
import androidx.compose.runtime.Composable
import androidx.compose.runtime.Stable
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableIntStateOf
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.saveable.Saver
import androidx.compose.runtime.saveable.SaverScope
import androidx.compose.runtime.saveable.rememberSaveable
import androidx.compose.runtime.setValue
import androidx.core.text.getSpans
import io.element.android.libraries.matrix.api.core.UserId
@@ -33,6 +38,7 @@ import io.element.android.libraries.textcomposer.components.markdown.StableCharS
import io.element.android.libraries.textcomposer.mentions.MentionSpan
import io.element.android.libraries.textcomposer.mentions.MentionSpanProvider
import io.element.android.libraries.textcomposer.mentions.ResolvedMentionSuggestion
import kotlinx.parcelize.Parcelize
@Stable
class MarkdownTextEditorState(
@@ -119,4 +125,39 @@ class MarkdownTextEditorState(
}
}
}
@Parcelize
data class SavedState(
val text: CharSequence,
val selectionStart: Int,
val selectionEnd: Int,
) : Parcelable
}
object MarkdownTextEditorStateSaver : Saver<MarkdownTextEditorState, MarkdownTextEditorState.SavedState> {
override fun restore(value: MarkdownTextEditorState.SavedState): MarkdownTextEditorState {
return MarkdownTextEditorState(
initialText = "",
initialFocus = false,
).apply {
text.update(value.text, true)
selection = value.selectionStart..value.selectionEnd
}
}
override fun SaverScope.save(value: MarkdownTextEditorState): MarkdownTextEditorState.SavedState {
return MarkdownTextEditorState.SavedState(
text = value.text.value(),
selectionStart = value.selection.first,
selectionEnd = value.selection.last,
)
}
}
@Composable
fun rememberMarkdownTextEditorState(
initialText: String? = null,
initialFocus: Boolean = false,
): MarkdownTextEditorState {
return rememberSaveable(saver = MarkdownTextEditorStateSaver) { MarkdownTextEditorState(initialText, initialFocus) }
}