72 lines
2.4 KiB
Kotlin
72 lines
2.4 KiB
Kotlin
/*
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* Twidere - Twitter client for Android
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*
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* Copyright (C) 2012-2017 Mariotaku Lee <mariotaku.lee@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.mariotaku.twidere.view
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import android.content.Context
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import android.graphics.Color
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import androidx.annotation.ColorInt
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import androidx.appcompat.widget.AppCompatTextView
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import android.util.AttributeSet
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import org.mariotaku.twidere.util.Utils.getLocalizedNumber
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import java.util.*
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class StatusTextCountView(context: Context, attrs: AttributeSet? = null) : AppCompatTextView(context,
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attrs, android.R.attr.textViewStyle) {
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@ColorInt
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private val defaultTextColor = currentTextColor
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var textCount: Int = 0
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set(count) {
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field = count
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updateTextCount()
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}
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var maxLength: Int = 0
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set(maxLength) {
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field = maxLength
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updateTextCount()
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}
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fun updateTextCount() {
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if (this.maxLength <= 0) {
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text = null
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return
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}
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val count = this.textCount
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val maxLength = this.maxLength
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text = getLocalizedNumber(Locale.getDefault(), maxLength - count)
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val exceededLimit = count < maxLength
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val nearLimit = count >= maxLength - 10
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val hue = (if (exceededLimit) if (nearLimit) 5 * (maxLength - count) else 50 else 0).toFloat()
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val textColorHsv = FloatArray(3)
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Color.colorToHSV(defaultTextColor, textColorHsv)
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val errorColorHsv = FloatArray(3)
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errorColorHsv[0] = hue
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errorColorHsv[1] = 1f
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errorColorHsv[2] = 0.75f + textColorHsv[2] / 4
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if (count >= maxLength - 10) {
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setTextColor(Color.HSVToColor(errorColorHsv))
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} else {
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setTextColor(defaultTextColor)
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}
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}
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}
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