diff options
Diffstat (limited to 'core/src/main/kotlin/ca/allanwang/kau/dialogs/color/CircleView.kt')
| -rw-r--r-- | core/src/main/kotlin/ca/allanwang/kau/dialogs/color/CircleView.kt | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/core/src/main/kotlin/ca/allanwang/kau/dialogs/color/CircleView.kt b/core/src/main/kotlin/ca/allanwang/kau/dialogs/color/CircleView.kt deleted file mode 100644 index 3430b42..0000000 --- a/core/src/main/kotlin/ca/allanwang/kau/dialogs/color/CircleView.kt +++ /dev/null @@ -1,228 +0,0 @@ -package ca.allanwang.kau.dialogs.color - -import android.animation.Animator -import android.animation.AnimatorListenerAdapter -import android.animation.ValueAnimator -import android.content.Context -import android.content.res.ColorStateList -import android.graphics.Canvas -import android.graphics.Color -import android.graphics.Paint -import android.graphics.Rect -import android.graphics.drawable.Drawable -import android.graphics.drawable.RippleDrawable -import android.graphics.drawable.ShapeDrawable -import android.graphics.drawable.StateListDrawable -import android.graphics.drawable.shapes.OvalShape -import android.os.Build -import android.support.annotation.ColorInt -import android.support.annotation.ColorRes -import android.support.annotation.FloatRange -import android.support.v4.view.GravityCompat -import android.support.v4.view.ViewCompat -import android.util.AttributeSet -import android.view.Gravity -import android.widget.FrameLayout -import android.widget.Toast -import ca.allanwang.kau.utils.color -import ca.allanwang.kau.utils.getDip -import ca.allanwang.kau.utils.toColor -import ca.allanwang.kau.utils.toHSV - -/** - * Created by Allan Wang on 2017-06-10. - * - * An extension of MaterialDialog's CircleView with animation selection - * [https://github.com/afollestad/material-dialogs/blob/master/commons/src/main/java/com/afollestad/materialdialogs/color/CircleView.java] - */ -class CircleView @JvmOverloads constructor(context: Context, attrs: AttributeSet? = null, defStyleAttr: Int = 0) : FrameLayout(context, attrs, defStyleAttr) { - - private val borderWidthMicro: Float = context.getDip(1f) - private val borderWidthSmall: Float = context.getDip(3f) - private val borderWidthLarge: Float = context.getDip(5f) - private var whiteOuterBound: Float = borderWidthLarge - - private val outerPaint: Paint = Paint().apply { isAntiAlias = true } - private val whitePaint: Paint = Paint().apply { isAntiAlias = true; color = Color.WHITE } - private val innerPaint: Paint = Paint().apply { isAntiAlias = true } - private var selected: Boolean = false - var withBorder: Boolean = false - get() = field - set(value) { - if (field != value) { - field = value - invalidate() - } - } - - init { - update(Color.DKGRAY) - setWillNotDraw(false) - } - - private fun update(@ColorInt color: Int) { - innerPaint.color = color - outerPaint.color = shiftColorDown(color) - - val selector = createSelector(color) - if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { - val states = arrayOf(intArrayOf(android.R.attr.state_pressed)) - val colors = intArrayOf(shiftColorUp(color)) - val rippleColors = ColorStateList(states, colors) - foreground = RippleDrawable(rippleColors, selector, null) - } else { - foreground = selector - } - } - - override fun setBackgroundColor(@ColorInt color: Int) { - update(color) - requestLayout() - invalidate() - } - - override fun setBackgroundResource(@ColorRes color: Int) { - setBackgroundColor(context.color(color)) - } - - - @Deprecated("") - override fun setBackground(background: Drawable) { - throw IllegalStateException("Cannot use setBackground() on CircleView.") - } - - - @Deprecated("") - override fun setBackgroundDrawable(background: Drawable) { - throw IllegalStateException("Cannot use setBackgroundDrawable() on CircleView.") - } - - - @Deprecated("") - override fun setActivated(activated: Boolean) { - throw IllegalStateException("Cannot use setActivated() on CircleView.") - } - - override fun setSelected(selected: Boolean) { - this.selected = selected - whiteOuterBound = borderWidthLarge - invalidate() - } - - fun animateSelected(selected: Boolean) { - if (this.selected == selected) return - this.selected = true // We need to draw the other bands - val range = if (selected) Pair(-borderWidthSmall, borderWidthLarge) else Pair(borderWidthLarge, -borderWidthSmall) - val animator = ValueAnimator.ofFloat(range.first, range.second) - with(animator) { - reverse() - duration = 150L - addUpdateListener { animation -> - whiteOuterBound = animation.animatedValue as Float - invalidate() - } - addListener(object : AnimatorListenerAdapter() { - override fun onAnimationEnd(animation: Animator) { - this@CircleView.selected = selected - } - - override fun onAnimationCancel(animation: Animator) { - this@CircleView.selected = selected - } - }) - start() - } - } - - override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) { - super.onMeasure(widthMeasureSpec, widthMeasureSpec) - setMeasuredDimension(measuredWidth, measuredWidth) - } - - override fun onDraw(canvas: Canvas) { - super.onDraw(canvas) - val centerWidth = (measuredWidth / 2).toFloat() - val centerHeight = (measuredHeight / 2).toFloat() - if (withBorder) canvas.drawCircle(centerWidth, centerHeight, centerWidth, whitePaint) - if (selected) { - val whiteRadius = centerWidth - whiteOuterBound - val innerRadius = whiteRadius - borderWidthSmall - if (whiteRadius >= centerWidth) { - canvas.drawCircle(centerWidth, centerHeight, centerWidth, whitePaint) - } else { - canvas.drawCircle(centerWidth, centerHeight, if (withBorder) centerWidth - borderWidthMicro else centerWidth, outerPaint) - canvas.drawCircle(centerWidth, centerHeight, whiteRadius, whitePaint) - } - canvas.drawCircle(centerWidth, centerHeight, innerRadius, innerPaint) - } else { - canvas.drawCircle(centerWidth, centerHeight, if (withBorder) centerWidth - borderWidthMicro else centerWidth, innerPaint) - } - } - - private fun createSelector(color: Int): Drawable { - val darkerCircle = ShapeDrawable(OvalShape()) - darkerCircle.paint.color = translucentColor(shiftColorUp(color)) - val stateListDrawable = StateListDrawable() - stateListDrawable.addState(intArrayOf(android.R.attr.state_pressed), darkerCircle) - return stateListDrawable - } - - fun showHint(color: Int) { - val screenPos = IntArray(2) - val displayFrame = Rect() - getLocationOnScreen(screenPos) - getWindowVisibleDisplayFrame(displayFrame) - val context = context - val width = width - val height = height - val midy = screenPos[1] + height / 2 - var referenceX = screenPos[0] + width / 2 - if (ViewCompat.getLayoutDirection(this) == ViewCompat.LAYOUT_DIRECTION_LTR) { - val screenWidth = context.resources.displayMetrics.widthPixels - referenceX = screenWidth - referenceX // mirror - } - val cheatSheet = Toast - .makeText(context, String.format("#%06X", 0xFFFFFF and color), Toast.LENGTH_SHORT) - if (midy < displayFrame.height()) { - // Show along the top; follow action buttons - cheatSheet.setGravity(Gravity.TOP or GravityCompat.END, referenceX, - screenPos[1] + height - displayFrame.top) - } else { - // Show along the bottom center - cheatSheet.setGravity(Gravity.BOTTOM or Gravity.CENTER_HORIZONTAL, 0, height) - } - cheatSheet.show() - } - - companion object { - - @ColorInt - @JvmStatic - private fun translucentColor(color: Int): Int { - val factor = 0.7f - val alpha = Math.round(Color.alpha(color) * factor) - val red = Color.red(color) - val green = Color.green(color) - val blue = Color.blue(color) - return Color.argb(alpha, red, green, blue) - } - - @ColorInt - @JvmStatic - fun shiftColor(@ColorInt color: Int, - @FloatRange(from = 0.0, to = 2.0) by: Float): Int { - if (by == 1f) return color - val hsv = color.toHSV() - hsv[2] *= by // value component - return hsv.toColor() - } - - @ColorInt - @JvmStatic - fun shiftColorDown(@ColorInt color: Int): Int = shiftColor(color, 0.9f) - - @ColorInt - @JvmStatic - fun shiftColorUp(@ColorInt color: Int): Int = shiftColor(color, 1.1f) - } -}
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