Twidere-App-Android-Twitter.../twidere/src/main/kotlin/org/mariotaku/twidere/fragment/filter/BaseFiltersFragment.kt

314 lines
11 KiB
Kotlin

/*
* Twidere - Twitter client for Android
*
* Copyright (C) 2012-2014 Mariotaku Lee <mariotaku.lee@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.mariotaku.twidere.fragment.filter
import android.content.Context
import android.database.Cursor
import android.graphics.PorterDuff
import android.net.Uri
import android.os.Bundle
import androidx.loader.app.LoaderManager
import androidx.core.content.ContextCompat
import androidx.loader.content.CursorLoader
import androidx.loader.content.Loader
import androidx.core.view.ViewCompat
import androidx.cursoradapter.widget.SimpleCursorAdapter
import android.text.SpannableStringBuilder
import android.text.Spanned
import android.view.*
import android.widget.AbsListView
import android.widget.AbsListView.MultiChoiceModeListener
import android.widget.AdapterView
import android.widget.ListView
import android.widget.TextView
import com.bumptech.glide.RequestManager
import kotlinx.android.synthetic.main.fragment_content_listview.*
import org.mariotaku.ktextension.Bundle
import org.mariotaku.ktextension.set
import org.mariotaku.ktextension.setGroupAvailability
import org.mariotaku.library.objectcursor.ObjectCursor
import org.mariotaku.sqliteqb.library.Columns
import org.mariotaku.sqliteqb.library.Expression
import org.mariotaku.twidere.R
import org.mariotaku.twidere.TwidereConstants.*
import org.mariotaku.twidere.activity.iface.IControlBarActivity
import org.mariotaku.twidere.annotation.FilterScope
import org.mariotaku.twidere.extension.invertSelection
import org.mariotaku.twidere.extension.selectAll
import org.mariotaku.twidere.extension.selectNone
import org.mariotaku.twidere.extension.updateSelectionItems
import org.mariotaku.twidere.fragment.AbsContentListViewFragment
import org.mariotaku.twidere.model.FiltersData
import org.mariotaku.twidere.provider.TwidereDataStore.Filters
import org.mariotaku.twidere.text.style.EmojiSpan
import org.mariotaku.twidere.util.ThemeUtils
abstract class BaseFiltersFragment : AbsContentListViewFragment<SimpleCursorAdapter>(),
LoaderManager.LoaderCallbacks<Cursor?>, MultiChoiceModeListener {
override var refreshing: Boolean
get() = false
set(value) {
super.refreshing = value
}
private var actionMode: ActionMode? = null
protected abstract val contentUri: Uri
protected abstract val contentColumns: Array<String>
protected open val sortOrder: String? = "${Filters.SOURCE} >= 0"
protected open val supportsEdit: Boolean = true
private val isQuickReturnEnabled: Boolean
get() = actionMode == null
override fun onActivityCreated(savedInstanceState: Bundle?) {
super.onActivityCreated(savedInstanceState)
setHasOptionsMenu(true)
listView.choiceMode = ListView.CHOICE_MODE_MULTIPLE_MODAL
listView.onItemClickListener = AdapterView.OnItemClickListener { _, _, pos, _ ->
onItemClick(pos)
}
listView.setMultiChoiceModeListener(this)
LoaderManager.getInstance(this).initLoader(0, null, this)
refreshEnabled = false
showProgress()
}
override fun setUserVisibleHint(isVisibleToUser: Boolean) {
super.setUserVisibleHint(isVisibleToUser)
if (!isVisibleToUser) {
actionMode?.finish()
}
}
override fun setControlVisible(visible: Boolean) {
super.setControlVisible(visible || !isQuickReturnEnabled)
}
override fun onCreateActionMode(mode: ActionMode, menu: Menu): Boolean {
actionMode = mode
setControlVisible(true)
mode.menuInflater.inflate(R.menu.action_multi_select_items, menu)
menu.setGroupAvailability(R.id.selection_group, true)
return true
}
override fun onPrepareActionMode(mode: ActionMode, menu: Menu): Boolean {
updateTitle(mode)
listView.updateSelectionItems(menu)
val checkedPos = listView.checkedItemPositions
val adapter = this.adapter
val hasUneditableItem = (0 until checkedPos.size()).any { i ->
if (checkedPos.valueAt(i) && adapter is IFilterAdapter) {
return@any adapter.isReadOnly(checkedPos.keyAt(i))
}
return@any false
}
menu.setGroupAvailability(R.id.edit_group, !hasUneditableItem)
return true
}
override fun onActionItemClicked(mode: ActionMode, item: MenuItem): Boolean {
when (item.itemId) {
R.id.delete -> {
performDeletion()
mode.finish()
}
R.id.select_all -> {
listView.selectAll()
}
R.id.select_none -> {
listView.selectNone()
}
R.id.invert_selection -> {
listView.invertSelection()
}
else -> {
return false
}
}
return true
}
override fun onDestroyActionMode(mode: ActionMode) {
actionMode = null
}
override fun onItemCheckedStateChanged(mode: ActionMode, position: Int, id: Long, checked: Boolean) {
updateTitle(mode)
mode.invalidate()
}
override fun onScroll(view: AbsListView, firstVisibleItem: Int, visibleItemCount: Int, totalItemCount: Int) {
super.onScroll(view, firstVisibleItem, visibleItemCount, totalItemCount)
if (ViewCompat.isLaidOut(view)) {
val childCount = view.childCount
if (childCount > 0) {
val firstChild = view.getChildAt(0)
val activity = activity
var controlBarHeight = 0
if (activity is IControlBarActivity) {
controlBarHeight = activity.controlBarHeight
}
val visible = firstChild.top > controlBarHeight
setControlVisible(visible)
} else {
setControlVisible(true)
}
}
}
override fun onCreateLoader(id: Int, args: Bundle?): Loader<Cursor?> {
val selection = Expression.isNull(Columns.Column(Filters.USER_KEY))
return CursorLoader(requireActivity(), contentUri, contentColumns, selection.sql, null, sortOrder)
}
override fun onLoadFinished(loader: Loader<Cursor?>, data: Cursor?) {
adapter.swapCursor(data)
if (data != null && data.count > 0) {
showContent()
} else {
showEmpty(R.drawable.ic_info_volume_off, getString(R.string.no_rule))
}
actionMode?.invalidate()
}
override fun onLoaderReset(loader: Loader<Cursor?>) {
adapter.swapCursor(null)
}
override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
inflater.inflate(R.menu.menu_filters, menu)
}
override fun onOptionsItemSelected(item: MenuItem): Boolean {
when (item.itemId) {
R.id.add -> {
addOrEditItem()
return true
}
}
return super.onOptionsItemSelected(item)
}
override fun onCreateAdapter(context: Context, requestManager: RequestManager): SimpleCursorAdapter {
return FilterListAdapter(context)
}
protected open fun onItemClick(position: Int) {
val adapter = this.adapter as FilterListAdapter
val item = adapter.getFilterItem(position) ?: return
if (item.source >= 0) return
addOrEditItem(item.id, item.value, item.scope)
}
protected open fun performDeletion() {
val ids = listView.checkedItemIds
val where = Expression.inArgs(Columns.Column(Filters._ID), ids.size)
context?.contentResolver?.delete(contentUri, where.sql, Array(ids.size) { ids[it].toString() })
}
protected open fun addOrEditItem(id: Long = -1, value: String? = null, scope: Int = FilterScope.DEFAULT) {
val dialog = AddEditItemFragment()
dialog.arguments = Bundle {
this[EXTRA_URI] = contentUri
this[EXTRA_ID] = id
this[EXTRA_VALUE] = value
this[EXTRA_SCOPE] = scope
}
parentFragmentManager.let { dialog.show(it, "add_rule") }
}
private fun updateTitle(mode: ActionMode?) {
if (listView == null || mode == null || activity == null) return
val count = listView!!.checkedItemCount
mode.title = resources.getQuantityString(R.plurals.Nitems_selected, count, count)
}
interface IFilterAdapter {
fun isReadOnly(position: Int): Boolean
}
private class FilterListAdapter(
context: Context
) : SimpleCursorAdapter(context, R.layout.simple_list_item_activated_1, null,
emptyArray(), intArrayOf(), 0), IFilterAdapter {
private var indices: ObjectCursor.CursorIndices<FiltersData.BaseItem>? = null
private val secondaryTextColor = ThemeUtils.getTextColorSecondary(context)
override fun swapCursor(c: Cursor?): Cursor? {
indices = c?.let { ObjectCursor.indicesFrom(it, FiltersData.BaseItem::class.java) }
return super.swapCursor(c)
}
override fun bindView(view: View, context: Context, cursor: Cursor) {
super.bindView(view, context, cursor)
val indices = this.indices!!
val text1 = view.findViewById<TextView>(android.R.id.text1)
val ssb = SpannableStringBuilder(cursor.getString(indices[Filters.VALUE]))
if (cursor.getLong(indices[Filters.SOURCE]) >= 0) {
val start = ssb.length
ssb.append("*")
val end = start + 1
ContextCompat.getDrawable(context, R.drawable.ic_action_sync)?.let { drawable ->
drawable.setColorFilter(secondaryTextColor, PorterDuff.Mode.SRC_ATOP)
ssb.setSpan(EmojiSpan(drawable), start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
}
}
text1.text = ssb
}
override fun isReadOnly(position: Int): Boolean {
val cursor = this.cursor ?: return false
val indices = this.indices ?: return false
if (cursor.moveToPosition(position)) {
return cursor.getLong(indices[Filters.SOURCE]) >= 0
}
return false
}
fun getFilterItem(position: Int): FiltersData.BaseItem? {
val cursor = this.cursor ?: return null
val indices = this.indices ?: return null
if (cursor.moveToPosition(position)) {
return indices.newObject(cursor)
}
return null
}
}
companion object {
internal const val REQUEST_ADD_USER_SELECT_ACCOUNT = 201
internal const val REQUEST_IMPORT_BLOCKS_SELECT_ACCOUNT = 202
internal const val REQUEST_IMPORT_MUTES_SELECT_ACCOUNT = 203
internal const val REQUEST_EXPORT_MUTES_SELECT_ACCOUNT = 204
}
}