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Pills: remove pills when a char is deleted

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This commit is contained in:
Benoit Marty 2019-11-29 10:29:40 +01:00
parent a3f8f138a6
commit 5d3c376267
1 changed files with 38 additions and 0 deletions
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38
vector/src/main/java/im/vector/riotx/features/home/room/detail/composer/ComposerEditText.kt
View file

@ -20,12 +20,16 @@ package im.vector.riotx.features.home.room.detail.composer
import android.content.Context
import android.net.Uri
import android.os.Build
import android.text.Editable
import android.util.AttributeSet
import android.view.inputmethod.EditorInfo
import android.view.inputmethod.InputConnection
import androidx.appcompat.widget.AppCompatEditText
import androidx.core.view.inputmethod.EditorInfoCompat
import androidx.core.view.inputmethod.InputConnectionCompat
import im.vector.riotx.core.platform.SimpleTextWatcher
import im.vector.riotx.features.html.PillImageSpan
import timber.log.Timber
class ComposerEditText @JvmOverloads constructor(context: Context, attrs: AttributeSet? = null, defStyleAttr: Int = android.R.attr.editTextStyle)
: AppCompatEditText(context, attrs, defStyleAttr) {
@ -55,4 +59,38 @@ class ComposerEditText @JvmOverloads constructor(context: Context, attrs: Attrib
}
return InputConnectionCompat.createWrapper(ic, editorInfo, callback)
}
init {
addTextChangedListener(
object : SimpleTextWatcher() {
var spanToRemove: PillImageSpan? = null
override fun beforeTextChanged(s: CharSequence, start: Int, count: Int, after: Int) {
Timber.v("beforeTextChanged: start:$start count:$count after:$after")
if (count > after) {
// A char has been deleted
val deleteCharPosition = start + count
Timber.v("beforeTextChanged: deleted char at $deleteCharPosition")
// Get span at this position
val spans = editableText.getSpans(deleteCharPosition, deleteCharPosition, PillImageSpan::class.java)
spanToRemove = spans.firstOrNull()
}
}
override fun afterTextChanged(s: Editable) {
if (spanToRemove != null) {
Timber.v("Removing the span")
val start = editableText.getSpanStart(spanToRemove)
val end = editableText.getSpanEnd(spanToRemove)
// Must be done before text replacement
editableText.removeSpan(spanToRemove)
editableText.replace(start, end, "")
spanToRemove = null
}
}
}
)
}
}