forked from GitHub-Mirror/riotX-android
65 lines
2.3 KiB
Kotlin
65 lines
2.3 KiB
Kotlin
/*
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* Copyright 2019 New Vector Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package im.vector.riotx.core.extensions
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import android.text.Spannable
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import android.text.SpannableString
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import android.text.style.ForegroundColorSpan
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import android.widget.TextView
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import androidx.annotation.AttrRes
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import androidx.annotation.StringRes
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import androidx.core.view.isVisible
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import im.vector.riotx.features.themes.ThemeUtils
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/**
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* Set a text in the TextView, or set visibility to GONE if the text is null
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*/
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fun TextView.setTextOrHide(newText: CharSequence?, hideWhenBlank: Boolean = true) {
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if (newText == null
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|| (newText.isBlank() && hideWhenBlank)) {
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isVisible = false
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} else {
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this.text = newText
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isVisible = true
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}
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}
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/**
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* Set text with a colored part
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* @param fullTextRes the resource id of the full text. Value MUST contains a parameter for string, which will be replaced by the colored part
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* @param coloredTextRes the resource id of the colored part of the text
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* @param colorAttribute attribute of the color
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*/
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fun TextView.setTextWithColoredPart(@StringRes fullTextRes: Int,
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@StringRes coloredTextRes: Int,
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@AttrRes colorAttribute: Int) {
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val coloredPart = resources.getString(coloredTextRes)
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// Insert colored part into the full text
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val fullText = resources.getString(fullTextRes, coloredPart)
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val color = ThemeUtils.getColor(context, colorAttribute)
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val foregroundSpan = ForegroundColorSpan(color)
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val index = fullText.indexOf(coloredPart)
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text = SpannableString(fullText)
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.apply {
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setSpan(foregroundSpan, index, index + coloredPart.length, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
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}
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}
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