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allow selecting multiple items

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This commit is contained in:
tibbi 2016-11-20 17:27:54 +01:00
parent 978b74adc1
commit e6815ed959
6 changed files with 83 additions and 80 deletions
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1
app/build.gradle
View file

@ -43,6 +43,7 @@ dependencies {
compile 'com.github.bumptech.glide:glide:3.7.0'
compile 'com.simplemobiletools:filepicker:1.5.0@aar'
compile 'com.simplemobiletools:fileproperties:1.0.5@aar'
compile 'com.bignerdranch.android:recyclerview-multiselect:0.2'
compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
apt 'com.jakewharton:butterknife-compiler:8.0.1'

155
app/src/main/kotlin/com/simplemobiletools/filemanager/adapters/ItemsAdapter.kt
View file

@ -1,117 +1,118 @@
package com.simplemobiletools.filemanager.adapters
import android.content.Context
import android.support.v7.view.ActionMode
import android.support.v7.widget.RecyclerView
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.view.*
import com.bignerdranch.android.multiselector.ModalMultiSelectorCallback
import com.bignerdranch.android.multiselector.MultiSelector
import com.bignerdranch.android.multiselector.SwappingHolder
import com.bumptech.glide.Glide
import com.bumptech.glide.load.engine.DiskCacheStrategy
import com.simplemobiletools.filemanager.R
import com.simplemobiletools.filemanager.activities.SimpleActivity
import com.simplemobiletools.filepicker.extensions.formatSize
import com.simplemobiletools.filepicker.extensions.isGif
import com.simplemobiletools.filepicker.models.FileDirItem
import kotlinx.android.synthetic.main.list_item.view.*
import java.io.File
import java.util.*
class ItemsAdapter(val context: Context, private val mItems: List<FileDirItem>, val itemClick: (FileDirItem) -> Unit) :
class ItemsAdapter(val activity: SimpleActivity, val mItems: List<FileDirItem>, val itemClick: (FileDirItem) -> Unit) :
RecyclerView.Adapter<ItemsAdapter.ViewHolder>() {
val multiSelector = MultiSelector()
val views = ArrayList<View>()
companion object {
var actMode: ActionMode? = null
fun toggleItemSelection(itemView: View, select: Boolean) {
itemView.item_frame.isSelected = select
}
}
val multiSelectorMode = object : ModalMultiSelectorCallback(multiSelector) {
override fun onActionItemClicked(mode: ActionMode, item: MenuItem): Boolean {
return when (item.itemId) {
else -> false
}
}
override fun onCreateActionMode(actionMode: ActionMode?, menu: Menu?): Boolean {
super.onCreateActionMode(actionMode, menu)
actMode = actionMode
activity.menuInflater.inflate(R.menu.cab, menu)
return true
}
override fun onPrepareActionMode(actionMode: ActionMode?, menu: Menu) = true
override fun onDestroyActionMode(actionMode: ActionMode?) {
super.onDestroyActionMode(actionMode)
views.forEach { toggleItemSelection(it, false) }
}
}
override fun onCreateViewHolder(parent: ViewGroup?, viewType: Int): ViewHolder {
val view = LayoutInflater.from(parent?.context).inflate(R.layout.list_item, parent, false)
return ViewHolder(context, view, itemClick)
return ViewHolder(activity, view, itemClick)
}
override fun onBindViewHolder(holder: ViewHolder, position: Int) {
holder.bindView(mItems[position])
views.add(holder.bindView(multiSelectorMode, multiSelector, mItems[position]))
}
override fun getItemCount() = mItems.size
class ViewHolder(val context: Context, view: View, val itemClick: (FileDirItem) -> (Unit)) : RecyclerView.ViewHolder(view) {
fun bindView(fileDirItem: FileDirItem) {
class ViewHolder(val activity: SimpleActivity, view: View, val itemClick: (FileDirItem) -> (Unit)) : SwappingHolder(view, MultiSelector()) {
fun bindView(multiSelectorCallback: ModalMultiSelectorCallback, multiSelector: MultiSelector, fileDirItem: FileDirItem): View {
itemView.item_name.text = fileDirItem.name
if (fileDirItem.isDirectory) {
Glide.with(context).load(R.mipmap.directory).diskCacheStrategy(getCacheStrategy(fileDirItem)).centerCrop().crossFade().into(itemView.item_icon)
Glide.with(activity).load(R.mipmap.directory).diskCacheStrategy(getCacheStrategy(fileDirItem)).centerCrop().crossFade().into(itemView.item_icon)
itemView.item_details.text = getChildrenCnt(fileDirItem)
} else {
Glide.with(context).load(fileDirItem.path).diskCacheStrategy(getCacheStrategy(fileDirItem)).error(R.mipmap.file).centerCrop().crossFade().into(itemView.item_icon)
Glide.with(activity).load(fileDirItem.path).diskCacheStrategy(getCacheStrategy(fileDirItem)).error(R.mipmap.file).centerCrop().crossFade().into(itemView.item_icon)
itemView.item_details.text = fileDirItem.size.formatSize()
}
itemView.setOnClickListener { itemClick(fileDirItem) }
itemView.setOnClickListener { viewClicked(multiSelector, fileDirItem) }
itemView.setOnLongClickListener {
if (!multiSelector.isSelectable) {
activity.startSupportActionMode(multiSelectorCallback)
multiSelector.setSelected(this, true)
actMode?.title = multiSelector.selectedPositions.size.toString()
toggleItemSelection(itemView, true)
actMode?.invalidate()
}
true
}
return itemView
}
private fun getCacheStrategy(item: FileDirItem) = if (File(item.path).isGif()) DiskCacheStrategy.NONE else DiskCacheStrategy.RESULT
private fun getChildrenCnt(item: FileDirItem): String {
val children = item.children
return context.resources.getQuantityString(R.plurals.items, children, children)
return activity.resources.getQuantityString(R.plurals.items, children, children)
}
fun viewClicked(multiSelector: MultiSelector, fileDirItem: FileDirItem) {
if (multiSelector.isSelectable) {
val isSelected = multiSelector.selectedPositions.contains(layoutPosition)
multiSelector.setSelected(this, !isSelected)
toggleItemSelection(itemView, !isSelected)
val selectedCnt = multiSelector.selectedPositions.size
if (selectedCnt == 0) {
actMode?.finish()
} else {
actMode?.title = selectedCnt.toString()
}
actMode?.invalidate()
} else {
itemClick(fileDirItem)
}
}
}
}
/*class ItemsAdapter(context: Context, private val mItems: List<FileDirItem>) : BaseAdapter() {
private val mInflater: LayoutInflater
private val mRes: Resources
private val mContext: Context
init {
mInflater = context.getSystemService(Context.LAYOUT_INFLATER_SERVICE) as LayoutInflater
mContext = context
mRes = context.resources
}
override fun getView(position: Int, convertView: View?, parent: ViewGroup): View {
var view = convertView
val viewHolder: ViewHolder
if (view == null) {
view = mInflater.inflate(R.layout.list_item, parent, false)
viewHolder = ViewHolder(view)
view!!.tag = viewHolder
} else {
viewHolder = view.tag as ViewHolder
}
val item = mItems[position]
viewHolder.name.text = item.name
if (item.isDirectory) {
Glide.with(mContext).load(R.mipmap.directory).diskCacheStrategy(getCacheStrategy(item)).centerCrop().crossFade().into(viewHolder.icon)
viewHolder.details.text = getChildrenCnt(item)
} else {
Glide.with(mContext).load(item.path).diskCacheStrategy(getCacheStrategy(item)).error(R.mipmap.file).centerCrop().crossFade().into(viewHolder.icon)
viewHolder.details.text = item.size.formatSize()
}
return view
}
private fun getCacheStrategy(item: FileDirItem) = if (File(item.path).isGif()) DiskCacheStrategy.NONE else DiskCacheStrategy.RESULT
private fun getChildrenCnt(item: FileDirItem): String {
val children = item.children
return mRes.getQuantityString(R.plurals.items, children, children)
}
override fun getCount(): Int {
return mItems.size
}
override fun getItem(position: Int): Any {
return mItems[position]
}
override fun getItemId(position: Int): Long {
return 0
}
internal class ViewHolder(view: View) {
val name: TextView = view.item_name
val icon: ImageView = view.item_icon
val details: TextView = view.item_details
}
}
*/

2
app/src/main/kotlin/com/simplemobiletools/filemanager/fragments/ItemsFragment.kt
View file

@ -79,7 +79,7 @@ class ItemsFragment : android.support.v4.app.Fragment(), AdapterView.OnItemClick
mItems = newItems
val adapter = ItemsAdapter(context, mItems) {
val adapter = ItemsAdapter(activity as SimpleActivity, mItems) {
}
items_list.adapter = adapter

2
app/src/main/res/drawable-v21/selector.xml
View file

@ -4,7 +4,7 @@
<selector>
<item
android:drawable="@color/activated_item_foreground"
android:state_activated="true"/>
android:state_selected="true"/>
</selector>
</item>
<item>

2
app/src/main/res/drawable/selector.xml
View file

@ -1,5 +1,5 @@
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="@color/pressed_item_foreground" android:state_pressed="true"/>
<item android:drawable="@color/activated_item_foreground" android:state_activated="true"/>
<item android:drawable="@color/activated_item_foreground" android:state_selected="true"/>
</selector>

1
app/src/main/res/layout/list_item.xml
View file

@ -1,6 +1,7 @@
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/item_frame"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="?attr/selectableItemBackground"