Added custom download option (#1185)

* Added custom download option * Implemented new design. TODO comments (like always...) * W00t comments * Implemented code review. * Fixed commit breaking mistake :O * Small design fix
2018-01-23 21:18:55 +01:00
parent bc8753da85
commit 6a310bbaa9
10 changed files with 334 additions and 31 deletions
@@ -0,0 +1,109 @@
+package eu.kanade.tachiyomi.widget
+
+import android.content.Context
+import android.text.SpannableStringBuilder
+import android.util.AttributeSet
+import android.view.View
+import android.widget.LinearLayout
+import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.util.inflate
+import kotlinx.android.synthetic.main.download_custom_amount.view.*
+import timber.log.Timber
+
+/**
+ * Custom dialog to select how many chapters to download.
+ */
+class DialogCustomDownloadView @JvmOverloads constructor(context: Context, attrs: AttributeSet? = null) :
+        LinearLayout(context, attrs) {
+
+    /**
+     * Current amount of custom download chooser.
+     */
+    var amount: Int = 0
+        private set
+
+    /**
+     * Minimal value of custom download chooser.
+     */
+    private var min = 0
+
+    /**
+     * Maximal value of custom download chooser.
+     */
+    private var max = 0
+
+    init {
+        // Add view to stack
+        addView(inflate(R.layout.download_custom_amount))
+    }
+
+
+    /**
+     * Called when view is added
+     *
+     * @param child
+     */
+    override fun onViewAdded(child: View) {
+        super.onViewAdded(child)
+
+        // Set download count to 0.
+        myNumber.text = SpannableStringBuilder(getAmount(0).toString())
+
+        // When user presses button decrease amount by 10.
+        btn_decrease_10.setOnClickListener {
+            myNumber.text = SpannableStringBuilder(getAmount(amount - 10).toString())
+        }
+
+        // When user presses button increase amount by 10.
+        btn_increase_10.setOnClickListener {
+            myNumber.text = SpannableStringBuilder(getAmount(amount + 10).toString())
+        }
+
+        // When user presses button decrease amount by 1.
+        btn_decrease.setOnClickListener {
+            myNumber.text = SpannableStringBuilder(getAmount(amount - 1).toString())
+        }
+
+        // When user presses button increase amount by 1.
+        btn_increase.setOnClickListener {
+            myNumber.text = SpannableStringBuilder(getAmount(amount + 1).toString())
+        }
+
+        // When user inputs custom number set amount equal to input.
+        myNumber.addTextChangedListener(object : SimpleTextWatcher() {
+            override fun onTextChanged(s: CharSequence, start: Int, before: Int, count: Int) {
+                try {
+                    amount = getAmount(Integer.parseInt(s.toString()))
+                } catch (error: NumberFormatException) {
+                    // Catch NumberFormatException to prevent parse exception when input is empty.
+                    Timber.e(error)
+                }
+            }
+        })
+    }
+
+    /**
+     * Set min max of custom download amount chooser.
+     * @param min minimal downloads
+     * @param max maximal downloads
+     */
+    fun setMinMax(min: Int, max: Int) {
+        this.min = min
+        this.max = max
+    }
+
+    /**
+     * Returns amount to download.
+     * if minimal downloads is less than input return minimal downloads.
+     * if Maximal downloads is more than input return maximal downloads.
+     *
+     * @return amount to download.
+     */
+    private fun getAmount(input: Int): Int {
+        return when {
+            input > max -> max
+            input < min -> min
+            else -> input
+        }
+    }
+}