From 4503281860948343674423f813b0fb9b033a61ad Mon Sep 17 00:00:00 2001
From: Naveen <snaveen935@gmail.com>
Date: Sun, 30 Apr 2023 14:40:05 +0530
Subject: [PATCH] Allow color customization of local events as well

---
 .../calendar/pro/activities/EventActivity.kt  |  78 ++++--
 .../calendar/pro/dialogs/ColorPickerDialog.kt | 247 ++++++++++++++++++
 .../main/res/layout/dialog_color_picker.xml   | 163 ++++++++++++
 3 files changed, 469 insertions(+), 19 deletions(-)
 create mode 100644 app/src/main/kotlin/com/simplemobiletools/calendar/pro/dialogs/ColorPickerDialog.kt
 create mode 100644 app/src/main/res/layout/dialog_color_picker.xml

diff --git a/app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/EventActivity.kt b/app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/EventActivity.kt
index e067183de..a93f7babe 100644
--- a/app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/EventActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/EventActivity.kt
@@ -31,7 +31,6 @@ import com.simplemobiletools.calendar.pro.adapters.AutoCompleteTextViewAdapter
 import com.simplemobiletools.calendar.pro.dialogs.*
 import com.simplemobiletools.calendar.pro.extensions.*
 import com.simplemobiletools.calendar.pro.helpers.*
-import com.simplemobiletools.calendar.pro.helpers.Formatter
 import com.simplemobiletools.calendar.pro.models.*
 import com.simplemobiletools.commons.dialogs.ConfirmationAdvancedDialog
 import com.simplemobiletools.commons.dialogs.RadioGroupDialog
@@ -40,11 +39,13 @@ import com.simplemobiletools.commons.helpers.*
 import com.simplemobiletools.commons.models.RadioItem
 import com.simplemobiletools.commons.views.MyAutoCompleteTextView
 import kotlinx.android.synthetic.main.activity_event.*
-import kotlinx.android.synthetic.main.activity_event.view.*
+import kotlinx.android.synthetic.main.activity_event.view.event_reminder_2
+import kotlinx.android.synthetic.main.activity_event.view.event_reminder_3
 import kotlinx.android.synthetic.main.item_attendee.view.*
 import org.joda.time.DateTime
 import org.joda.time.DateTimeZone
-import java.util.*
+import java.util.Calendar
+import java.util.TimeZone
 import java.util.regex.Pattern
 
 class EventActivity : SimpleActivity() {
@@ -834,25 +835,55 @@ class EventActivity : SimpleActivity() {
     private fun showEventColorDialog() {
         hideKeyboard()
         ensureBackgroundThread {
-            val eventType = eventsHelper.getEventTypeWithCalDAVCalendarId(calendarId = mEventCalendarId)!!
-            val eventColors = getEventColors(eventType)
-            runOnUiThread {
-                val currentColor = if (mEventColor == 0) {
-                    eventType.color
-                } else {
-                    mEventColor
-                }
+            val isLocalEvent = mEventCalendarId == STORED_LOCALLY_ONLY
+            if (isLocalEvent) {
+                showCustomEventColorDialog()
+            } else {
+                showCalDAVEventColorDialog()
+            }
+        }
+    }
 
-                SelectEventColorDialog(activity = this, colors = eventColors, currentColor = currentColor) { newColor ->
-                    if (newColor != currentColor) {
-                        mEventColor = newColor
-                        updateEventColorInfo(defaultColor = eventType.color)
-                    }
+    private fun showCustomEventColorDialog() {
+        val eventType = eventTypesDB.getEventTypeWithId(mEventTypeId)!!
+        val currentColor = if (mEventColor == 0) {
+            eventType.color
+        } else {
+            mEventColor
+        }
+
+        runOnUiThread {
+            ColorPickerDialog(activity = this, color = currentColor) { wasPositivePressed, newColor ->
+                if (wasPositivePressed) {
+                    gotNewEventColor(newColor, currentColor, eventType.color)
                 }
             }
         }
     }
 
+    private fun showCalDAVEventColorDialog() {
+        val eventType = eventsHelper.getEventTypeWithCalDAVCalendarId(calendarId = mEventCalendarId)!!
+        val eventColors = getEventColors(eventType)
+        val currentColor = if (mEventColor == 0) {
+            eventType.color
+        } else {
+            mEventColor
+        }
+
+        runOnUiThread {
+            SelectEventColorDialog(activity = this, colors = eventColors, currentColor = currentColor) { newColor ->
+                gotNewEventColor(newColor, currentColor, eventType.color)
+            }
+        }
+    }
+
+    private fun gotNewEventColor(newColor: Int, currentColor: Int, defaultColor: Int) {
+        if (newColor != currentColor) {
+            mEventColor = newColor
+            updateEventColorInfo(defaultColor = defaultColor)
+        }
+    }
+
     private fun checkReminderTexts() {
         updateReminder1Text()
         updateReminder2Text()
@@ -1018,9 +1049,17 @@ class EventActivity : SimpleActivity() {
                 setPadding(paddingLeft, mediumMargin, paddingRight, mediumMargin)
             }
 
-            event_caldav_color_image.beGone()
-            event_caldav_color_holder.beGone()
-            event_caldav_color_divider.beGone()
+            ensureBackgroundThread {
+                val eventType = eventTypesDB.getEventTypeWithId(mEventTypeId)
+                if (eventType != null) {
+                    runOnUiThread {
+                        event_caldav_color_image.beVisible()
+                        event_caldav_color_holder.beVisible()
+                        event_caldav_color_divider.beVisible()
+                        updateEventColorInfo(eventType.color)
+                    }
+                }
+            }
         } else {
             event_caldav_calendar_email.text = currentCalendar.accountName
 
@@ -1326,6 +1365,7 @@ class EventActivity : SimpleActivity() {
                         }
                     }
                 }
+
                 1 -> {
                     ensureBackgroundThread {
                         eventsHelper.addEventRepeatLimit(mEvent.id!!, mEventOccurrenceTS)
diff --git a/app/src/main/kotlin/com/simplemobiletools/calendar/pro/dialogs/ColorPickerDialog.kt b/app/src/main/kotlin/com/simplemobiletools/calendar/pro/dialogs/ColorPickerDialog.kt
new file mode 100644
index 000000000..d39809364
--- /dev/null
+++ b/app/src/main/kotlin/com/simplemobiletools/calendar/pro/dialogs/ColorPickerDialog.kt
@@ -0,0 +1,247 @@
+package com.simplemobiletools.calendar.pro.dialogs
+
+import android.app.Activity
+import android.graphics.Color
+import android.view.MotionEvent
+import android.view.View
+import android.view.View.OnTouchListener
+import android.view.ViewGroup
+import android.view.WindowManager
+import android.widget.EditText
+import android.widget.ImageView
+import androidx.appcompat.app.AlertDialog
+import com.simplemobiletools.calendar.pro.R
+import com.simplemobiletools.commons.extensions.*
+import com.simplemobiletools.commons.helpers.isQPlus
+import com.simplemobiletools.commons.views.ColorPickerSquare
+import kotlinx.android.synthetic.main.dialog_color_picker.view.*
+import java.util.LinkedList
+
+private const val RECENT_COLORS_NUMBER = 5
+
+// forked from https://github.com/yukuku/ambilwarna
+class ColorPickerDialog(
+    val activity: Activity,
+    color: Int,
+    val removeDimmedBackground: Boolean = false,
+    val currentColorCallback: ((color: Int) -> Unit)? = null,
+    val callback: (wasPositivePressed: Boolean, color: Int) -> Unit
+) {
+    var viewHue: View
+    var viewSatVal: ColorPickerSquare
+    var viewCursor: ImageView
+    var viewNewColor: ImageView
+    var viewTarget: ImageView
+    var newHexField: EditText
+    var viewContainer: ViewGroup
+    private val baseConfig = activity.baseConfig
+    private val currentColorHsv = FloatArray(3)
+    private val backgroundColor = baseConfig.backgroundColor
+    private var isHueBeingDragged = false
+    private var wasDimmedBackgroundRemoved = false
+    private var dialog: AlertDialog? = null
+
+    init {
+        Color.colorToHSV(color, currentColorHsv)
+
+        val view = activity.layoutInflater.inflate(R.layout.dialog_color_picker, null).apply {
+            if (isQPlus()) {
+                isForceDarkAllowed = false
+            }
+
+            viewHue = color_picker_hue
+            viewSatVal = color_picker_square
+            viewCursor = color_picker_hue_cursor
+
+            viewNewColor = color_picker_new_color
+            viewTarget = color_picker_cursor
+            viewContainer = color_picker_holder
+            newHexField = color_picker_new_hex
+
+            viewSatVal.setHue(getHue())
+
+            viewNewColor.setFillWithStroke(getColor(), backgroundColor)
+            color_picker_old_color.setFillWithStroke(color, backgroundColor)
+
+            val hexCode = getHexCode(color)
+            color_picker_old_hex.text = "#$hexCode"
+            color_picker_old_hex.setOnLongClickListener {
+                activity.copyToClipboard(hexCode)
+                true
+            }
+            newHexField.setText(hexCode)
+            setupRecentColors()
+        }
+
+        viewHue.setOnTouchListener(OnTouchListener { v, event ->
+            if (event.action == MotionEvent.ACTION_DOWN) {
+                isHueBeingDragged = true
+            }
+
+            if (event.action == MotionEvent.ACTION_MOVE || event.action == MotionEvent.ACTION_DOWN || event.action == MotionEvent.ACTION_UP) {
+                var y = event.y
+                if (y < 0f)
+                    y = 0f
+
+                if (y > viewHue.measuredHeight) {
+                    y = viewHue.measuredHeight - 0.001f // to avoid jumping the cursor from bottom to top.
+                }
+                var hue = 360f - 360f / viewHue.measuredHeight * y
+                if (hue == 360f)
+                    hue = 0f
+
+                currentColorHsv[0] = hue
+                updateHue()
+                newHexField.setText(getHexCode(getColor()))
+
+                if (event.action == MotionEvent.ACTION_UP) {
+                    isHueBeingDragged = false
+                }
+                return@OnTouchListener true
+            }
+            false
+        })
+
+        viewSatVal.setOnTouchListener(OnTouchListener { v, event ->
+            if (event.action == MotionEvent.ACTION_MOVE || event.action == MotionEvent.ACTION_DOWN || event.action == MotionEvent.ACTION_UP) {
+                var x = event.x
+                var y = event.y
+
+                if (x < 0f)
+                    x = 0f
+                if (x > viewSatVal.measuredWidth)
+                    x = viewSatVal.measuredWidth.toFloat()
+                if (y < 0f)
+                    y = 0f
+                if (y > viewSatVal.measuredHeight)
+                    y = viewSatVal.measuredHeight.toFloat()
+
+                currentColorHsv[1] = 1f / viewSatVal.measuredWidth * x
+                currentColorHsv[2] = 1f - 1f / viewSatVal.measuredHeight * y
+
+                moveColorPicker()
+                viewNewColor.setFillWithStroke(getColor(), backgroundColor)
+                newHexField.setText(getHexCode(getColor()))
+                return@OnTouchListener true
+            }
+            false
+        })
+
+        newHexField.onTextChangeListener {
+            if (it.length == 6 && !isHueBeingDragged) {
+                try {
+                    val newColor = Color.parseColor("#$it")
+                    Color.colorToHSV(newColor, currentColorHsv)
+                    updateHue()
+                    moveColorPicker()
+                } catch (ignored: Exception) {
+                }
+            }
+        }
+
+        val textColor = activity.getProperTextColor()
+        val builder = activity.getAlertDialogBuilder()
+            .setPositiveButton(R.string.ok) { _, _ -> confirmNewColor() }
+            .setNeutralButton(R.string.default_color) { _, _ -> confirmDefaultColor() }
+            .setOnCancelListener { dialogDismissed() }
+
+        builder.apply {
+            activity.setupDialogStuff(view, this) { alertDialog ->
+                dialog = alertDialog
+                view.color_picker_arrow.applyColorFilter(textColor)
+                view.color_picker_hex_arrow.applyColorFilter(textColor)
+                viewCursor.applyColorFilter(textColor)
+            }
+        }
+
+        view.onGlobalLayout {
+            moveHuePicker()
+            moveColorPicker()
+        }
+    }
+
+    private fun View.setupRecentColors() {
+        val recentColors = baseConfig.colorPickerRecentColors
+        if (recentColors.isNotEmpty()) {
+            recent_colors.beVisible()
+            val squareSize = context.resources.getDimensionPixelSize(R.dimen.colorpicker_hue_width)
+            recentColors.take(RECENT_COLORS_NUMBER).forEach { recentColor ->
+                val recentColorView = ImageView(context)
+                recentColorView.id = View.generateViewId()
+                recentColorView.layoutParams = ViewGroup.LayoutParams(squareSize, squareSize)
+                recentColorView.setFillWithStroke(recentColor, backgroundColor)
+                recentColorView.setOnClickListener { newHexField.setText(getHexCode(recentColor)) }
+                recent_colors.addView(recentColorView)
+                recent_colors_flow.addView(recentColorView)
+            }
+        }
+    }
+
+    private fun dialogDismissed() {
+        callback(false, 0)
+    }
+
+    private fun confirmDefaultColor() {
+        callback(true, 0)
+    }
+
+    private fun confirmNewColor() {
+        val hexValue = newHexField.value
+        val newColor = if (hexValue.length == 6) {
+            Color.parseColor("#$hexValue")
+        } else {
+            getColor()
+        }
+
+        addRecentColor(newColor)
+        callback(true, newColor)
+    }
+
+    private fun addRecentColor(color: Int) {
+        var recentColors = baseConfig.colorPickerRecentColors
+
+        recentColors.remove(color)
+        if (recentColors.size >= RECENT_COLORS_NUMBER) {
+            val numberOfColorsToDrop = recentColors.size - RECENT_COLORS_NUMBER + 1
+            recentColors = LinkedList(recentColors.dropLast(numberOfColorsToDrop))
+        }
+        recentColors.addFirst(color)
+
+        baseConfig.colorPickerRecentColors = recentColors
+    }
+
+    private fun getHexCode(color: Int) = color.toHex().substring(1)
+
+    private fun updateHue() {
+        viewSatVal.setHue(getHue())
+        moveHuePicker()
+        viewNewColor.setFillWithStroke(getColor(), backgroundColor)
+        if (removeDimmedBackground && !wasDimmedBackgroundRemoved) {
+            dialog?.window?.clearFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND)
+            wasDimmedBackgroundRemoved = true
+        }
+
+        currentColorCallback?.invoke(getColor())
+    }
+
+    private fun moveHuePicker() {
+        var y = viewHue.measuredHeight - getHue() * viewHue.measuredHeight / 360f
+        if (y == viewHue.measuredHeight.toFloat())
+            y = 0f
+
+        viewCursor.x = (viewHue.left - viewCursor.width).toFloat()
+        viewCursor.y = viewHue.top + y - viewCursor.height / 2
+    }
+
+    private fun moveColorPicker() {
+        val x = getSat() * viewSatVal.measuredWidth
+        val y = (1f - getVal()) * viewSatVal.measuredHeight
+        viewTarget.x = viewSatVal.left + x - viewTarget.width / 2
+        viewTarget.y = viewSatVal.top + y - viewTarget.height / 2
+    }
+
+    private fun getColor() = Color.HSVToColor(currentColorHsv)
+    private fun getHue() = currentColorHsv[0]
+    private fun getSat() = currentColorHsv[1]
+    private fun getVal() = currentColorHsv[2]
+}
diff --git a/app/src/main/res/layout/dialog_color_picker.xml b/app/src/main/res/layout/dialog_color_picker.xml
new file mode 100644
index 000000000..1b5c7043e
--- /dev/null
+++ b/app/src/main/res/layout/dialog_color_picker.xml
@@ -0,0 +1,163 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/color_picker_scrollview"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:layout_marginTop="@dimen/activity_margin"
+    android:layout_marginBottom="@dimen/activity_margin">
+
+    <RelativeLayout
+        android:id="@+id/color_picker_holder"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:id="@+id/recent_colors"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginHorizontal="@dimen/activity_margin"
+            android:layout_marginTop="@dimen/activity_margin">
+
+            <androidx.constraintlayout.helper.widget.Flow
+                android:id="@+id/recent_colors_flow"
+                android:layout_width="match_parent"
+                android:layout_height="0dp"
+                app:flow_horizontalAlign="start"
+                app:flow_horizontalGap="@dimen/activity_margin"
+                app:flow_horizontalStyle="packed"
+                app:flow_maxElementsWrap="5"
+                app:flow_verticalGap="@dimen/medium_margin"
+                app:flow_wrapMode="chain"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent" />
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+
+        <RelativeLayout
+            android:id="@+id/color_picker_top_holder"
+            android:layout_width="match_parent"
+            android:layout_height="@dimen/colorpicker_size_with_padding"
+            android:layout_below="@+id/recent_colors"
+            android:gravity="center_horizontal">
+
+            <com.simplemobiletools.commons.views.ColorPickerSquare
+                android:id="@+id/color_picker_square"
+                android:layout_width="@dimen/colorpicker_size"
+                android:layout_height="@dimen/colorpicker_size"
+                android:layout_centerVertical="true"
+                android:layerType="software" />
+
+            <ImageView
+                android:id="@+id/color_picker_hue"
+                android:layout_width="@dimen/colorpicker_hue_width"
+                android:layout_height="@dimen/colorpicker_size"
+                android:layout_centerVertical="true"
+                android:layout_marginStart="@dimen/medium_margin"
+                android:layout_toEndOf="@id/color_picker_square"
+                android:scaleType="fitXY"
+                android:src="@drawable/img_color_picker_hue" />
+
+            <ImageView
+                android:id="@+id/color_picker_hue_cursor"
+                android:layout_width="8dp"
+                android:layout_height="wrap_content"
+                android:src="@drawable/ic_chevron_right_unpadded_vector" />
+
+            <ImageView
+                android:id="@+id/color_picker_cursor"
+                android:layout_width="@dimen/activity_margin"
+                android:layout_height="@dimen/activity_margin"
+                android:adjustViewBounds="true"
+                android:scaleType="fitCenter"
+                android:src="@drawable/color_picker_circle" />
+        </RelativeLayout>
+
+        <RelativeLayout
+            android:id="@+id/color_picker_hex_codes_holder"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_below="@id/color_picker_top_holder">
+
+            <com.simplemobiletools.commons.views.MyTextView
+                android:id="@+id/color_picker_old_hex"
+                android:layout_width="@dimen/colorpicker_color_width"
+                android:layout_height="match_parent"
+                android:layout_centerInParent="true"
+                android:layout_toStartOf="@+id/color_picker_hex_arrow"
+                android:gravity="center"
+                android:textSize="@dimen/normal_text_size" />
+
+            <ImageView
+                android:id="@+id/color_picker_hex_arrow"
+                android:layout_width="20dp"
+                android:layout_height="20dp"
+                android:layout_alignTop="@+id/color_picker_new_hex"
+                android:layout_alignBottom="@+id/color_picker_new_hex"
+                android:layout_centerInParent="true"
+                android:layout_marginStart="@dimen/normal_margin"
+                android:layout_marginEnd="@dimen/normal_margin"
+                android:scaleType="centerInside"
+                android:src="@drawable/ic_arrow_right_vector" />
+
+            <com.simplemobiletools.commons.views.MyTextView
+                android:id="@+id/color_picker_new_hex_label"
+                android:layout_width="wrap_content"
+                android:layout_height="@dimen/colorpicker_items_height"
+                android:layout_alignTop="@+id/color_picker_new_hex"
+                android:layout_alignBottom="@+id/color_picker_new_hex"
+                android:layout_toEndOf="@+id/color_picker_hex_arrow"
+                android:gravity="center"
+                android:text="#"
+                android:textSize="@dimen/normal_text_size" />
+
+            <com.simplemobiletools.commons.views.MyEditText
+                android:id="@+id/color_picker_new_hex"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_toEndOf="@+id/color_picker_new_hex_label"
+                android:digits="0123456789ABCDEFabcdef"
+                android:ems="5"
+                android:gravity="start"
+                android:lines="1"
+                android:maxLength="6"
+                android:textCursorDrawable="@null"
+                android:textSize="@dimen/normal_text_size" />
+
+        </RelativeLayout>
+
+        <RelativeLayout
+            android:id="@+id/color_picker_bottom_holder"
+            android:layout_width="match_parent"
+            android:layout_height="@dimen/colorpicker_items_height"
+            android:layout_below="@id/color_picker_hex_codes_holder"
+            android:layout_marginTop="@dimen/medium_margin"
+            android:layout_marginBottom="@dimen/medium_margin">
+
+            <ImageView
+                android:id="@+id/color_picker_old_color"
+                android:layout_width="@dimen/colorpicker_items_height"
+                android:layout_height="@dimen/colorpicker_items_height"
+                android:layout_toStartOf="@+id/color_picker_arrow"
+                android:background="@android:color/white" />
+
+            <ImageView
+                android:id="@+id/color_picker_arrow"
+                android:layout_width="20dp"
+                android:layout_height="20dp"
+                android:layout_centerInParent="true"
+                android:layout_marginStart="@dimen/normal_margin"
+                android:layout_marginEnd="@dimen/normal_margin"
+                android:scaleType="centerInside"
+                android:src="@drawable/ic_arrow_right_vector" />
+
+            <ImageView
+                android:id="@+id/color_picker_new_color"
+                android:layout_width="@dimen/colorpicker_items_height"
+                android:layout_height="@dimen/colorpicker_items_height"
+                android:layout_toEndOf="@+id/color_picker_arrow"
+                android:background="@android:color/white" />
+        </RelativeLayout>
+    </RelativeLayout>
+</ScrollView>