diff options
Diffstat (limited to 'colorpicker/src/main/kotlin/ca/allanwang/kau/colorpicker/ColorPickerView.kt')
| -rw-r--r-- | colorpicker/src/main/kotlin/ca/allanwang/kau/colorpicker/ColorPickerView.kt | 310 |
1 files changed, 310 insertions, 0 deletions
diff --git a/colorpicker/src/main/kotlin/ca/allanwang/kau/colorpicker/ColorPickerView.kt b/colorpicker/src/main/kotlin/ca/allanwang/kau/colorpicker/ColorPickerView.kt new file mode 100644 index 0000000..d86518c --- /dev/null +++ b/colorpicker/src/main/kotlin/ca/allanwang/kau/colorpicker/ColorPickerView.kt @@ -0,0 +1,310 @@ +package ca.allanwang.kau.colorpicker + +import android.content.Context +import android.graphics.Color +import android.support.annotation.ColorInt +import android.support.v4.content.res.ResourcesCompat +import android.text.Editable +import android.text.InputFilter +import android.text.TextWatcher +import android.util.AttributeSet +import android.view.View +import android.view.ViewGroup +import android.widget.* +import ca.allanwang.kau.R +import ca.allanwang.kau.colorpicker.CircleView +import ca.allanwang.kau.utils.* +import com.afollestad.materialdialogs.DialogAction +import com.afollestad.materialdialogs.MaterialDialog +import com.afollestad.materialdialogs.color.FillGridView +import java.util.* + +/** + * Created by Allan Wang on 2017-06-08. + * + * ColorPicker component of the ColorPickerDialog + */ +internal class ColorPickerView @JvmOverloads constructor( + context: Context, attrs: AttributeSet? = null, defStyleAttr: Int = 0 +) : ScrollView(context, attrs, defStyleAttr) { + var selectedColor: Int = -1 + var isInSub: Boolean = false + var isInCustom: Boolean = false + var circleSize: Int = context.dimen(R.dimen.kau_cp_circle_size).toInt() + val backgroundColor = context.resolveColor(R.attr.md_background_color, + if (context.resolveColor(android.R.attr.textColorPrimary).isColorDark) Color.WHITE else 0xff424242.toInt()) + val backgroundColorTint = backgroundColor.colorToForeground() + lateinit var dialog: MaterialDialog + lateinit var builder: ColorContract + lateinit var colorsTop: IntArray + var colorsSub: Array<IntArray>? = null + var topIndex: Int = -1 + var subIndex: Int = -1 + var colorIndex: Int + get() = if (isInSub) subIndex else topIndex + set(value) { + if (isInSub) subIndex = value + else { + topIndex = value + if (colorsSub != null && colorsSub!!.size > value) { + dialog.setActionButton(DialogAction.NEGATIVE, builder.backText) + isInSub = true + invalidateGrid() + } + } + } + + + val gridView: FillGridView by bindView(R.id.md_grid) + val customFrame: LinearLayout by bindView(R.id.md_colorChooserCustomFrame) + val customColorIndicator: View by bindView(R.id.md_colorIndicator) + val hexInput: EditText by bindView(R.id.md_hexInput) + val alphaLabel: TextView by bindView(R.id.md_colorALabel) + val alphaSeekbar: SeekBar by bindView(R.id.md_colorA) + val alphaValue: TextView by bindView(R.id.md_colorAValue) + val redSeekbar: SeekBar by bindView(R.id.md_colorR) + val redValue: TextView by bindView(R.id.md_colorRValue) + val greenSeekbar: SeekBar by bindView(R.id.md_colorG) + val greenValue: TextView by bindView(R.id.md_colorGValue) + val blueSeekbar: SeekBar by bindView(R.id.md_colorB) + val blueValue: TextView by bindView(R.id.md_colorBValue) + + var customHexTextWatcher: TextWatcher? = null + var customRgbListener: SeekBar.OnSeekBarChangeListener? = null + + init { + View.inflate(context, R.layout.md_dialog_colorchooser, this) + } + + fun bind(builder: ColorContract, dialog: MaterialDialog) { + this.builder = builder + this.dialog = dialog + this.colorsTop = with(builder) { + if (colorsTop != null) colorsTop!! + else if (isAccent) ColorPalette.ACCENT_COLORS + else ColorPalette.PRIMARY_COLORS + } + this.colorsSub = with(builder) { + if (colorsTop != null) colorsSub + else if (isAccent) ColorPalette.ACCENT_COLORS_SUB + else ColorPalette.PRIMARY_COLORS_SUB + } + this.selectedColor = builder.defaultColor + if (builder.allowCustom) { + if (!builder.allowCustomAlpha) { + alphaLabel.gone() + alphaSeekbar.gone() + alphaValue.gone() + hexInput.hint = String.format("%06X", selectedColor) + hexInput.filters = arrayOf(InputFilter.LengthFilter(6)) + } else { + hexInput.hint = String.format("%08X", selectedColor) + hexInput.filters = arrayOf(InputFilter.LengthFilter(8)) + } + } + if (findColor(builder.defaultColor) || !builder.allowCustom) isInCustom = true //when toggled this will be false + toggleCustom() + } + + fun backOrCancel() { + if (isInSub) { + dialog.setActionButton(DialogAction.NEGATIVE, builder.cancelText) + //to top + isInSub = false + subIndex = -1 + invalidateGrid() + } else { + dialog.cancel() + } + } + + fun toggleCustom() { + isInCustom = !isInCustom + if (isInCustom) { + isInSub = false + if (builder.allowCustom) dialog.setActionButton(DialogAction.NEUTRAL, builder.presetText) + dialog.setActionButton(DialogAction.NEGATIVE, builder.cancelText) + customHexTextWatcher = object : TextWatcher { + override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) {} + + override fun onTextChanged(s: CharSequence, start: Int, before: Int, count: Int) { + try { + selectedColor = Color.parseColor("#" + s.toString()) + } catch (e: IllegalArgumentException) { + selectedColor = Color.BLACK + } + + customColorIndicator.setBackgroundColor(selectedColor) + if (alphaSeekbar.isVisible()) { + val alpha = Color.alpha(selectedColor) + alphaSeekbar.progress = alpha + alphaValue.text = String.format(Locale.CANADA, "%d", alpha) + } + redSeekbar.progress = Color.red(selectedColor) + greenSeekbar.progress = Color.green(selectedColor) + blueSeekbar.progress = Color.blue(selectedColor) + isInSub = false + topIndex = -1 + subIndex = -1 + refreshColors() + } + + override fun afterTextChanged(s: Editable?) {} + } + hexInput.setText(selectedColor.toHexString(builder.allowCustomAlpha, false)) + hexInput.addTextChangedListener(customHexTextWatcher) + customRgbListener = object : SeekBar.OnSeekBarChangeListener { + override fun onProgressChanged(seekBar: SeekBar, progress: Int, fromUser: Boolean) { + if (fromUser) { + val color = if (builder.allowCustomAlpha) + Color.argb(alphaSeekbar.progress, + redSeekbar.progress, + greenSeekbar.progress, + blueSeekbar.progress) + else Color.rgb(redSeekbar.progress, + greenSeekbar.progress, + blueSeekbar.progress) + + hexInput.setText(color.toHexString(builder.allowCustomAlpha, false)) + } + if (builder.allowCustomAlpha) alphaValue.text = alphaSeekbar.progress.toString() + redValue.text = redSeekbar.progress.toString() + greenValue.text = greenSeekbar.progress.toString() + blueValue.text = blueSeekbar.progress.toString() + } + + override fun onStartTrackingTouch(seekBar: SeekBar) {} + + override fun onStopTrackingTouch(seekBar: SeekBar) {} + } + redSeekbar.setOnSeekBarChangeListener(customRgbListener) + greenSeekbar.setOnSeekBarChangeListener(customRgbListener) + blueSeekbar.setOnSeekBarChangeListener(customRgbListener) + if (alphaSeekbar.isVisible()) + alphaSeekbar.setOnSeekBarChangeListener(customRgbListener) + hexInput.setText(selectedColor.toHexString(alphaSeekbar.isVisible(), false)) + gridView.fadeOut(onFinish = { gridView.gone() }) + customFrame.fadeIn() + } else { + findColor(selectedColor) + if (builder.allowCustom) dialog.setActionButton(DialogAction.NEUTRAL, builder.customText) + dialog.setActionButton(DialogAction.NEGATIVE, if (isInSub) builder.backText else builder.cancelText) + gridView.fadeIn(onStart = { invalidateGrid() }) + customFrame.fadeOut(onFinish = { customFrame.gone() }) + hexInput.removeTextChangedListener(customHexTextWatcher) + customHexTextWatcher = null + alphaSeekbar.setOnSeekBarChangeListener(null) + redSeekbar.setOnSeekBarChangeListener(null) + greenSeekbar.setOnSeekBarChangeListener(null) + blueSeekbar.setOnSeekBarChangeListener(null) + customRgbListener = null + } + } + + fun refreshColors() { + if (!isInCustom) findColor(selectedColor) + //Ensure that our tinted color is still visible against the background + val visibleColor = if (selectedColor.isColorVisibleOn(backgroundColor)) selectedColor else backgroundColorTint + if (builder.dynamicButtonColors) { + dialog.getActionButton(DialogAction.POSITIVE).setTextColor(visibleColor) + dialog.getActionButton(DialogAction.NEGATIVE).setTextColor(visibleColor) + dialog.getActionButton(DialogAction.NEUTRAL).setTextColor(visibleColor) + } + if (!builder.allowCustom || !isInCustom) return + if (builder.allowCustomAlpha) + alphaSeekbar.visible().tint(visibleColor) + redSeekbar.tint(visibleColor) + greenSeekbar.tint(visibleColor) + blueSeekbar.tint(visibleColor) + hexInput.tint(visibleColor) + } + + fun findColor(@ColorInt color: Int): Boolean { + topIndex = -1 + subIndex = -1 + colorsTop.forEachIndexed { + index, topColor -> + if (findSubColor(color, index)) { + topIndex = index + return true + } + if (topColor == color) { // If no sub colors exists and top color matches + topIndex = index + return true + } + } + return false + } + + fun findSubColor(@ColorInt color: Int, topIndex: Int): Boolean { + if (colorsSub == null || colorsSub!!.size <= topIndex) return false + colorsSub!![topIndex].forEachIndexed { + index, subColor -> + if (subColor == color) { + subIndex = index + return true + } + } + return false + } + + fun invalidateGrid() { + if (gridView.adapter == null) { + gridView.adapter = ColorGridAdapter() + gridView.selector = ResourcesCompat.getDrawable(resources, R.drawable.kau_transparent, null) + } else { + (gridView.adapter as BaseAdapter).notifyDataSetChanged() + } + } + + inner class ColorGridAdapter : BaseAdapter(), OnClickListener, OnLongClickListener { + override fun onClick(v: View) { + if (v.tag != null && v.tag is String) { + val tags = (v.tag as String).split(":") + if (colorIndex == tags[0].toInt()) { + colorIndex = tags[0].toInt() //Go to sub list if exists + return + } + if (colorIndex != -1) (gridView.getChildAt(colorIndex) as CircleView).animateSelected(false) + selectedColor = tags[1].toInt() + refreshColors() + val currentSub = isInSub + colorIndex = tags[0].toInt() + if (currentSub == isInSub) (gridView.getChildAt(colorIndex) as CircleView).animateSelected(true) + //Otherwise we are invalidating our grid, so there is no point in animating + } + } + + override fun onLongClick(v: View): Boolean { + if (v.tag != null && v.tag is String) { + val tag = (v.tag as String).split(":") + val color = tag[1].toInt() + (v as CircleView).showHint(color) + return true + } + return false + } + + override fun getItem(position: Int): Any = if (isInSub) colorsSub!![topIndex][position] else colorsTop[position] + + override fun getCount(): Int = if (isInSub) colorsSub!![topIndex].size else colorsTop.size + + override fun getItemId(position: Int): Long = position.toLong() + + override fun getView(position: Int, convertView: View?, parent: ViewGroup): View { + val view: CircleView = if (convertView == null) + CircleView(context).apply { layoutParams = AbsListView.LayoutParams(circleSize, circleSize) } + else + convertView as CircleView + val color: Int = if (isInSub) colorsSub!![topIndex][position] else colorsTop[position] + return view.apply { + setBackgroundColor(color) + isSelected = colorIndex == position + tag = "$position:$color" + setOnClickListener(this@ColorGridAdapter) + setOnLongClickListener(this@ColorGridAdapter) + } + } + + } +}
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