Feature/drag effect (#10)

* 드래그 된 곳까지 색 칠하기 * 드래그 된 곳 까지 인덱스에 따라 색깔 다르게 하기 * index에 따라 드래그 아이템, 리플 효과 색깔 변경
tak8997 · Oct 27, 2019 · 4d10fb7 · 4d10fb7
1 parent e049ea6
commit 4d10fb7
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Showing 4 changed files with 44 additions and 1 deletion.
diff --git a/library/src/main/java/com/tak8997/library/ItemColor.kt b/library/src/main/java/com/tak8997/library/ItemColor.kt
@@ -0,0 +1,11 @@
+package com.tak8997.library
+
+import android.graphics.Color
+
+enum class ItemColor(val color: Int) {
+
+    Purple(Color.parseColor("#5f14d3")),
+    Green(Color.parseColor("#a4c639")),
+    Blue(Color.parseColor("#0009ff")),
+    Red(Color.parseColor("#ff2222"))
+}
diff --git a/library/src/main/java/com/tak8997/library/RippleDragDrop.kt b/library/src/main/java/com/tak8997/library/RippleDragDrop.kt
@@ -73,6 +73,9 @@ class RippleDragDrop @JvmOverloads constructor(
     override fun onDraw(canvas: Canvas?) {
         super.onDraw(canvas)
 
+        dragBgPaint.color = getDragColor(selectedIndex).color
+        dragBgPaint.alpha = 100
+        dragBgPaint.isAntiAlias = true
         dragRectF.left = 0f
         dragRectF.top = selectedItemPositionY
         dragRectF.right = width.toFloat()
@@ -122,6 +125,7 @@ class RippleDragDrop @JvmOverloads constructor(
 
         val item = dragDropItems[index]
         item.setSelection(true)
+        item.setColor(getDragColor(selectedIndex))
         selectedItemPositionY = item.y
 
         if (selectedIndex != index) {
@@ -171,4 +175,21 @@ class RippleDragDrop @JvmOverloads constructor(
     private fun deselectAll() {
         dragDropItems.forEach { it.setSelection(false) }
     }
-}
+
+    private fun getDragColor(selecteIndex: Int): ItemColor {
+        return when (val itemSize = dragDropItems.size) {
+            1,2 -> return if (selecteIndex == 1) ItemColor.Purple else ItemColor.Red
+            3 -> return when (selecteIndex) {
+                2 -> ItemColor.Purple
+                1 -> ItemColor.Green
+                else -> ItemColor.Red
+            }
+            else -> when {
+                selecteIndex >= itemSize * 3 / 4 -> ItemColor.Purple
+                selecteIndex >= itemSize * 2 / 4 -> ItemColor.Green
+                selecteIndex >= itemSize * 1 / 4 -> ItemColor.Blue
+                else -> ItemColor.Red
+            }
+        }
+    }
+}
diff --git a/library/src/main/java/com/tak8997/library/RippleDragDropItem.kt b/library/src/main/java/com/tak8997/library/RippleDragDropItem.kt
@@ -39,4 +39,9 @@ internal class RippleDragDropItem @JvmOverloads constructor(
     fun getSelection(): Boolean {
         return layoutSelected.visibility == View.VISIBLE
     }
+
+    fun setColor(itemColor: ItemColor) {
+        imageSelected.setColorFilter(itemColor.color)
+        rippleEffect.setColor(itemColor)
+    }
 }
diff --git a/library/src/main/java/com/tak8997/library/RippleEffect.kt b/library/src/main/java/com/tak8997/library/RippleEffect.kt
@@ -79,4 +79,10 @@ internal class RippleEffect @JvmOverloads constructor(
     fun stopRipple() {
         animatorSet.end()
     }
+
+    fun setColor(itemColor: ItemColor) {
+        paint.isAntiAlias = true
+        paint.style = Paint.Style.FILL_AND_STROKE
+        paint.color = itemColor.color
+    }
 }