Skip to content

Commit

Permalink
Fixed the all method about the fragment. Also, there're some small mo…
Browse files Browse the repository at this point in the history 
…dification of the method and parameters.
  • Loading branch information
@pokk
pokk committed Jan 30, 2018
1 parent ba6b151 commit fdc417f
Show file tree
Hide file tree
Showing 2 changed files with 115 additions and 97 deletions.
112 changes: 59 additions & 53 deletions kotlinknifer/src/main/java/com/devrapid/kotlinknifer/Fragment.kt
View file
Original file line number Diff line number Diff line change
Expand Up @@ -2,9 +2,10 @@

package com.devrapid.kotlinknifer

import android.annotation.SuppressLint
import android.annotation.TargetApi
import android.app.Fragment
import android.app.FragmentManager
import android.app.FragmentTransaction
import android.os.Build
import android.view.View
import java.util.Stack
Expand All @@ -15,10 +16,14 @@ import java.util.Stack
*/
/**
* Adds a [Fragment] to this manager's layout.
* Using the [replace] method, we couldn't obtain the fragments. There a way to get it is that
* obtaining fragment by [findFragmentByTag]. For convenient, I recommend that using a [Stack]
* for keeping fragments.
*
* @param containerViewId The container view to where add the fragment.
* @param fragment The fragment to be added.
* @param needBack Set that it can back to previous fragment.
* @param fragmentStack The stack for keeping the fragments.
* @param sharedElements Shared element objects and ids from layout xml [android:transitionName].
*
* @return the identifier of this transaction's back stack entry.
Expand All @@ -27,80 +32,81 @@ fun FragmentManager.addFragment(containerViewId: Int,
fragment: Fragment,
needBack: Boolean = false,
fragmentStack: Stack<Fragment>? = null,
sharedElements: HashMap<View, String> = hashMapOf()) = beginTransaction().also {
it.replace(containerViewId, fragment, fragment.javaClass.name)
sharedElements.forEach { value -> it.addSharedElement(value.key, value.value) }
sharedElements: HashMap<View, String> = hashMapOf()) = transactionNow {
replace(containerViewId, fragment, fragment::class.java.simpleName)
sharedElements.forEach { value -> addSharedElement(value.key, value.value) }
if (needBack) {
it.addToBackStack(fragment.javaClass.name)
addToBackStack(fragment::class.java.simpleName)
fragmentStack?.push(fragment)
}
}.commit()
}

/**
* Pop a [Fragment] from the [FragmentManager].
* Pop a stack from the back stack.
*
* @param fragmentStack The stack for keeping the fragments.
*
* @return is success to pop a [Fragment].
* @return is success to pop a stack.
*/
inline fun FragmentManager.popFragment(fragmentStack: Stack<Fragment>? = null) =
if (0 < backStackEntryCount) {
popBackStackImmediate()
fragmentStack?.safePop()
true
}
else
false
inline fun FragmentManager.popFragment(fragmentStack: Stack<Fragment>? = null) = run {
fragmentStack?.safePop()
popBackStackImmediate()
}

/**
* Clear all [Fragment] in the stack.
* Clear all stacks from the back stack.
*
* @param fragmentStack The stack for keeping the fragments.
*/
inline fun FragmentManager.popAllFragment(fragmentStack: Stack<Fragment>? = null) =
(0..backStackEntryCount - 1).forEach { popFragment(fragmentStack) }
inline fun FragmentManager.popAllFragment(fragmentStack: Stack<Fragment>? = null) {
while (true) if (!popFragment(fragmentStack)) break
}

/**
* Remove a specific [Fragment] from [FragmentManager] stack.
* Remove a specific [Fragment] from [FragmentManager]'s fragments.
* NOTE: Don't mix this function with [popFragment] or [popAllFragment].
*
* @param fragment Specific assigned [Fragment].
* @param manager [FragmentManager].
*/
inline fun FragmentManager.removeFragment(fragment: Fragment, fragmentStack: Stack<Fragment>? = null) {
val transaction = beginTransaction().apply {
fragmentStack?.remove(fragment)
}.remove(fragment)
inline fun Fragment.removeFrom(manager: FragmentManager) = manager.transactionNow { remove(this@removeFrom) }

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N)
transaction.commitNow()
else
transaction.commit()
/**
* Remove all fragments.
*/
@TargetApi(Build.VERSION_CODES.O)
inline fun FragmentManager.removeLastFragment() = fragments.lastOrNull()?.removeFrom(this)

/**
* Add a [Fragment] and hide the current presenting fragment.
* NOTE: Don't mix this function with [popFragment] or [popAllFragment].
*
* @param manager [FragmentManager].
*/
inline fun Fragment.appendTo(manager: FragmentManager) = manager.transactionNow {
hide(this@appendTo)
add(this@appendTo, this@appendTo::class.java.simpleName)
}

/**
* Remove all [Fragment] from [FragmentManager] stack.
* Hide a assigned [Fragment].
*
* @param manager [FragmentManager].
*/
@SuppressLint("RestrictedApi")
fun FragmentManager.removeRecursiveFragment(fragmentStack: Stack<Fragment>? = null) =
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
fragments?.forEach {
it?.let { f ->
it.childFragmentManager?.fragments?.forEach {
it?.let { f.childFragmentManager.removeFragment(it, fragmentStack) }
}
removeFragment(f, fragmentStack)
}
}
}
else {
TODO("VERSION.SDK_INT < O")
}
inline fun Fragment.hideFrom(manager: FragmentManager) = manager.transactionNow { hide(this@hideFrom) }

/**
* Decorator between [beginTransaction] and [commit].
*/
inline fun FragmentManager.transaction(block: FragmentTransaction.() -> Unit) =
beginTransaction().apply(block).commit()

/**
* Testing code. For showing all fragments and children fragments.
* Decorator between [beginTransaction] and [commitNow].
*/
@SuppressLint("RestrictedApi")
fun FragmentManager.showAllFragment() =
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
fragments?.forEach {
it?.let { it.childFragmentManager?.fragments?.forEach { Logs.d("child!!!! : $it") } }
}
inline fun FragmentManager.transactionNow(block: FragmentTransaction.() -> Unit) =
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
beginTransaction().apply(block).commitNow()
}
else {
TODO("VERSION.SDK_INT < O")
TODO("VERSION.SDK_INT < N")
}
100 changes: 56 additions & 44 deletions kotlinknifer/src/main/java/com/devrapid/kotlinknifer/support/v4/Fragment.kt
View file
Original file line number Diff line number Diff line change
Expand Up @@ -2,11 +2,10 @@

package com.devrapid.kotlinknifer.support.v4

import android.annotation.SuppressLint
import android.support.v4.app.Fragment
import android.support.v4.app.FragmentManager
import android.support.v4.app.FragmentTransaction
import android.view.View
import com.devrapid.kotlinknifer.Logs
import com.devrapid.kotlinknifer.safePop
import java.util.Stack

Expand All @@ -16,10 +15,14 @@ import java.util.Stack
*/
/**
* Adds a [Fragment] to this manager's layout.
* Using the [replace] method, we couldn't obtain the fragments. There a way to get it is that
* obtaining fragment by [findFragmentByTag]. For convenient, I recommend that using a [Stack]
* for keeping fragments.
*
* @param containerViewId The container view to where add the fragment.
* @param fragment The fragment to be added.
* @param needBack Set that it can back to previous fragment.
* @param fragmentStack The stack for keeping the fragments.
* @param sharedElements Shared element objects and ids from layout xml [android:transitionName].
*
* @return the identifier of this transaction's back stack entry.
Expand All @@ -28,66 +31,75 @@ fun FragmentManager.addFragment(containerViewId: Int,
fragment: Fragment,
needBack: Boolean = false,
fragmentStack: Stack<Fragment>? = null,
sharedElements: HashMap<View, String> = hashMapOf()) = beginTransaction().also {
it.replace(containerViewId, fragment, fragment.javaClass.name)
sharedElements.forEach { value -> it.addSharedElement(value.key, value.value) }
sharedElements: HashMap<View, String> = hashMapOf()) = transactionNow {
replace(containerViewId, fragment, fragment::class.java.simpleName)
sharedElements.forEach { value -> addSharedElement(value.key, value.value) }
if (needBack) {
it.addToBackStack(fragment.javaClass.name)
addToBackStack(fragment::class.java.simpleName)
fragmentStack?.push(fragment)
}
}.commit()
}

/**
* Pop a [Fragment] from the [FragmentManager].
* Pop a stack from the back stack.
*
* @param fragmentStack The stack for keeping the fragments.
*
* @return is success to pop a [Fragment].
* @return is success to pop a stack.
*/
inline fun FragmentManager.popFragment(fragmentStack: Stack<Fragment>? = null) =
if (0 < backStackEntryCount) {
popBackStackImmediate()
fragmentStack?.safePop()
true
}
else
false
inline fun FragmentManager.popFragment(fragmentStack: Stack<Fragment>? = null) = run {
fragmentStack?.safePop()
popBackStackImmediate()
}

/**
* Clear all [Fragment] in the stack.
* Clear all stacks from the back stack.
*
* @param fragmentStack The stack for keeping the fragments.
*/
inline fun FragmentManager.popAllFragment(fragmentStack: Stack<Fragment>? = null) =
(0..backStackEntryCount - 1).forEach { popFragment(fragmentStack) }
inline fun FragmentManager.popAllFragment(fragmentStack: Stack<Fragment>? = null) {
while (true) if (!popFragment(fragmentStack)) break
}

/**
* Remove a specific [Fragment] from [FragmentManager] stack.
* Remove a specific [Fragment] from [FragmentManager]'s fragments.
* NOTE: Don't mix this function with [popFragment] or [popAllFragment].
*
* @param fragment Specific assigned [Fragment].
* @param manager support v4 [FragmentManager].
*/
inline fun FragmentManager.removeFragment(fragment: Fragment, fragmentStack: Stack<Fragment>? = null) {
beginTransaction().apply {
fragmentStack?.remove(fragment)
}.remove(fragment).commitNow()
}
inline fun Fragment.removeFrom(manager: FragmentManager) = manager.transactionNow { remove(this@removeFrom) }

/**
* Remove all [Fragment] from [FragmentManager] stack.
* Remove all fragments.
*/
@SuppressLint("RestrictedApi")
fun FragmentManager.removeRecursiveFragment(fragmentStack: Stack<Fragment>? = null) = fragments?.forEach {
it?.let { f ->
it.childFragmentManager?.fragments?.forEach {
it?.let { f.childFragmentManager.removeFragment(it, fragmentStack) }
}
// Remove self.
removeFragment(f, fragmentStack)
}
inline fun FragmentManager.removeLastFragment() = fragments.lastOrNull()?.removeFrom(this)

/**
* Add a [Fragment] and hide the current presenting fragment.
* NOTE: Don't mix this function with [popFragment] or [popAllFragment].
*
* @param manager support v4 [FragmentManager].
*/
inline fun Fragment.appendTo(manager: FragmentManager) = manager.transactionNow {
hide(this@appendTo)
add(this@appendTo, this@appendTo::class.java.simpleName)
}

/**
* Testing code. For showing all fragments and children fragments.
* Hide a assigned [Fragment].
*
* @param manager support v4 [FragmentManager].
*/
@SuppressLint("RestrictedApi")
fun FragmentManager.showAllFragment() = fragments?.forEach {
it?.let {
it.childFragmentManager?.fragments?.forEach { Logs.d("child!!!! : $it") }
}
}
inline fun Fragment.hideFrom(manager: FragmentManager) = manager.transactionNow { hide(this@hideFrom) }

/**
* Decorator between [beginTransaction] and [commit].
*/
inline fun FragmentManager.transaction(block: FragmentTransaction.() -> Unit) =
beginTransaction().apply(block).commit()

/**
* Decorator between [beginTransaction] and [commitNow].
*/
inline fun FragmentManager.transactionNow(block: FragmentTransaction.() -> Unit) =
beginTransaction().apply(block).commitNow()

0 comments on commit fdc417f

Please sign in to comment.