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4 changes: 2 additions & 2 deletions
4
calendar/src/androidTest/java/com/jonaswanke/calendar/ExampleInstrumentedTest.java
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225 changes: 225 additions & 0 deletions
225
calendar/src/main/java/com/jonaswanke/calendar/AllDayEventsView.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,225 @@ | ||
| package com.jonaswanke.calendar | ||
|
|
||
| import android.content.Context | ||
| import androidx.annotation.AttrRes | ||
| import android.util.AttributeSet | ||
| import android.view.View | ||
| import android.view.ViewGroup | ||
| import androidx.core.content.withStyledAttributes | ||
| import androidx.core.view.children | ||
| import androidx.core.view.get | ||
| import kotlinx.coroutines.experimental.android.UI | ||
| import kotlinx.coroutines.experimental.launch | ||
| import java.util.* | ||
| import kotlin.properties.Delegates | ||
|
|
||
| /** | ||
| * TODO: document your custom view class. | ||
| */ | ||
| class AllDayEventsView @JvmOverloads constructor( | ||
| context: Context, | ||
| attrs: AttributeSet? = null, | ||
| @AttrRes private val defStyleAttr: Int = R.attr.allDayEventsViewStyle, | ||
| _start: Day? = null, | ||
| _end: Day? = null | ||
| ) : ViewGroup(context, attrs, defStyleAttr) { | ||
|
|
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| var onEventClickListener: ((Event) -> Unit)? | ||
| by Delegates.observable<((Event) -> Unit)?>(null) { _, _, new -> | ||
| updateListeners(new, onEventLongClickListener) | ||
| } | ||
| var onEventLongClickListener: ((Event) -> Unit)? | ||
| by Delegates.observable<((Event) -> Unit)?>(null) { _, _, new -> | ||
| updateListeners(onEventClickListener, new) | ||
| } | ||
|
|
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| var start: Day = _start ?: Day() | ||
| private set | ||
| var end: Day = _end ?: start.nextDay | ||
| private set | ||
| private var days: Int = 0 | ||
|
|
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| private var events: List<Event> = emptyList() | ||
| private val eventData: MutableMap<Event, EventData> = mutableMapOf() | ||
| private var rows: Int = 0 | ||
|
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| private var spacing: Float = 0f | ||
|
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| private lateinit var calStart: Calendar | ||
| private lateinit var calEnd: Calendar | ||
|
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| init { | ||
| context.withStyledAttributes(attrs, R.styleable.AllDayEventsView, defStyleAttr, R.style.Calendar_AllDayEventsViewStyle) { | ||
| spacing = getDimension(R.styleable.AllDayEventsView_spacing, 0f) | ||
| } | ||
|
|
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| onUpdateRange(start, end) | ||
| } | ||
|
|
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| override fun addView(child: View?, index: Int, params: LayoutParams?) { | ||
| if (child !is EventView) | ||
| throw IllegalArgumentException("Only EventViews may be children of AllDayEventsView") | ||
| super.addView(child, index, params) | ||
| } | ||
|
|
||
| override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) { | ||
| val rowsHeight = (rows * (((getChildAt(0) as? EventView)?.minHeight ?: 0) + spacing)).toInt() | ||
| val height = paddingTop + paddingBottom + Math.max(suggestedMinimumHeight, rowsHeight) | ||
| setMeasuredDimension(View.getDefaultSize(suggestedMinimumWidth, widthMeasureSpec), | ||
| height) | ||
| } | ||
|
|
||
| override fun onLayout(changed: Boolean, l: Int, t: Int, r: Int, b: Int) { | ||
| val left = paddingLeft | ||
| val top = paddingTop | ||
| val right = r - l - paddingRight | ||
| val bottom = b - t - paddingBottom | ||
| val height = bottom - top | ||
| val width = right - left | ||
|
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| fun getX(index: Int) = left + width * index / days | ||
| fun getY(index: Int) = top + height * index / rows | ||
|
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| for (view in children) { | ||
| val eventView = view as EventView | ||
| val event = eventView.event ?: continue | ||
| val data = eventData[event] ?: continue | ||
|
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| eventView.layout((getX(data.start) + spacing).toInt(), getY(data.index), | ||
| getX(data.end + 1), (getY(data.index + 1) - spacing).toInt()) | ||
| } | ||
| } | ||
|
|
||
| fun setRange(start: Day = this.start, end: Day = this.end, events: List<Event> = emptyList()) { | ||
| this.start = start | ||
| this.end = end | ||
| onUpdateRange(start, end) | ||
|
|
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| setEvents(events) | ||
| } | ||
|
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| fun setEvents(events: List<Event>) { | ||
| checkEvents(events) | ||
| eventData.clear() | ||
| for (event in events) { | ||
| val start = calStart.daysUntil(event.start).coerceAtLeast(0) | ||
| val end = calStart.daysUntil(event.end).coerceIn(start, 6) | ||
| eventData[event] = EventData(start, end) | ||
| } | ||
| this.events = events.sortedWith(compareBy({ eventData[it]?.start }, { eventData[it]?.length })) | ||
|
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| launch(UI) { | ||
| @Suppress("NAME_SHADOWING") | ||
| val events = this@AllDayEventsView.events | ||
| positionEvents() | ||
|
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| val existing = childCount | ||
| for (i in 0 until events.size) { | ||
| val event = events[i] | ||
|
|
||
| if (existing > i) | ||
| (this@AllDayEventsView[i] as EventView).event = event | ||
| else | ||
| addView(EventView( | ||
| this@AllDayEventsView.context, | ||
| defStyleAttr = R.attr.eventViewAllDayStyle, | ||
| defStyleRes = R.style.Calendar_EventViewStyle_AllDay).also { | ||
| it.event = event | ||
| }) | ||
| } | ||
| if (events.size < existing) | ||
| removeViews(events.size, existing - events.size) | ||
| updateListeners(onEventClickListener, onEventLongClickListener) | ||
| requestLayout() | ||
| } | ||
| } | ||
|
|
||
| private fun positionEvents() { | ||
| var currentGroup = mutableListOf<Event>() | ||
| var currentEnd = 0 | ||
| fun endGroup() { | ||
| when (currentGroup.size) { | ||
| 0 -> return | ||
| 1 -> eventData[currentGroup[0]]?.index = 0 | ||
| else -> { | ||
| val ends = mutableListOf<Int>() | ||
| for (event in currentGroup) { | ||
| val data = eventData[event] ?: continue | ||
| val min = ends.filter { it < data.start }.min() | ||
| val index = ends.indexOf(min) | ||
|
|
||
| if (index < 0) { | ||
| data.index = ends.size | ||
| ends.add(data.end) | ||
| } else { | ||
| data.index = index | ||
| ends[index] = data.end | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| for (event in events) { | ||
| val data = eventData[event] ?: continue | ||
| if (data.start <= currentEnd) { | ||
| currentGroup.add(event) | ||
| currentEnd = Math.max(currentEnd, data.end) | ||
| } else { | ||
| endGroup() | ||
| currentGroup = mutableListOf(event) | ||
| currentEnd = data.end | ||
| } | ||
| } | ||
| endGroup() | ||
| rows = (eventData.maxBy { it.value.index }?.value?.index ?: -1) + 1 | ||
| } | ||
|
|
||
| private fun checkEvents(events: List<Event>) { | ||
| if (events.any { event -> !event.allDay }) | ||
| throw IllegalArgumentException("only all-day events can be shown inside AllDayEventsView") | ||
| if (events.any { event -> event.start >= end.start || event.end < start.start }) | ||
| throw IllegalArgumentException("event must all partly be inside the set range") | ||
| } | ||
|
|
||
| private fun updateListeners( | ||
| onEventClickListener: ((Event) -> Unit)?, | ||
| onEventLongClickListener: ((Event) -> Unit)? | ||
| ) { | ||
| for (view in children) { | ||
| val eventView = view as EventView | ||
| val event = eventView.event | ||
| if (event == null) { | ||
| eventView.setOnClickListener(null) | ||
| eventView.setOnLongClickListener(null) | ||
| continue | ||
| } | ||
|
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| onEventClickListener?.let { listener -> | ||
| eventView.setOnClickListener { | ||
| listener(event) | ||
| } | ||
| } ?: eventView.setOnClickListener(null) | ||
| onEventLongClickListener?.let { listener -> | ||
| eventView.setOnLongClickListener { | ||
| listener(event) | ||
| true | ||
| } | ||
| } ?: eventView.setOnLongClickListener(null) | ||
| } | ||
| } | ||
|
|
||
| private fun onUpdateRange(start: Day, end: Day) { | ||
| calStart = start.start.asCalendar() | ||
| calEnd = end.start.asCalendar() | ||
| days = calStart.daysUntil(end.start) | ||
| requestLayout() | ||
| } | ||
|
|
||
| private data class EventData( | ||
| val start: Int, | ||
| val end: Int, | ||
| var index: Int = 0 | ||
| ) { | ||
| val length = end - start | ||
| } | ||
| } |
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