Merge pull request #16895 from nextcloud/backport/16893/stable-33.1.0

[stable-33.1.0] fix(preview-text-string-fragment): edit

Author: alperozturk96

app/src/main/java/com/owncloud/android/ui/preview/PreviewTextStringFragment.java

@@ -0,0 +1,139 @@
+/*
+ * Nextcloud - Android Client
+ *
+ * SPDX-FileCopyrightText: 2026 Alper Ozturk <alper.ozturk@nextcloud.com>
+ * SPDX-FileCopyrightText: 2019 Tobias Kaminsky <tobias@kaminsky.me>
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH
+ * SPDX-License-Identifier: AGPL-3.0-or-later OR GPL-2.0-only
+ */
+package com.owncloud.android.ui.preview
+
+import android.os.Bundle
+import android.os.Handler
+import android.view.LayoutInflater
+import android.view.Menu
+import android.view.MenuInflater
+import android.view.MenuItem
+import android.view.View
+import android.view.ViewGroup
+import androidx.appcompat.widget.SearchView
+import androidx.core.view.MenuHost
+import androidx.core.view.MenuProvider
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.lifecycleScope
+import com.google.android.material.floatingactionbutton.FloatingActionButton
+import com.nextcloud.android.lib.richWorkspace.RichWorkspaceDirectEditingRemoteOperation
+import com.owncloud.android.R
+import com.owncloud.android.ui.activity.FileActivity
+import com.owncloud.android.ui.activity.FileDisplayActivity
+import com.owncloud.android.utils.DisplayUtils
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+
+@Suppress("TooGenericExceptionThrown")
+class PreviewTextStringFragment : PreviewTextFragment() {
+    private var isEditorWebviewLaunched = false
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        arguments?.run {
+            searchQuery = getString(FileActivity.EXTRA_SEARCH_QUERY, "")
+            searchOpen = getBoolean(FileActivity.EXTRA_SEARCH, false)
+        }
+        handler = Handler()
+    }
+
+    override fun onSaveInstanceState(outState: Bundle) {
+        outState.putParcelable(EXTRA_FILE, file)
+        super.onSaveInstanceState(outState)
+    }
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
+        val view = super.onCreateView(inflater, container, savedInstanceState)
+            ?: throw RuntimeException("View can not be null")
+
+        requireActivity().findViewById<FloatingActionButton>(R.id.fab_main).apply {
+            visibility = View.VISIBLE
+            isEnabled = true
+            setOnClickListener { edit() }
+            setImageResource(R.drawable.ic_edit)
+            viewThemeUtils.material.themeFAB(this)
+        }
+
+        addMenuProvider()
+        return view
+    }
+
+    override fun onStart() {
+        super.onStart()
+        if (isEditorWebviewLaunched && containerActivity is FileDisplayActivity) {
+            (containerActivity as FileDisplayActivity).run {
+                supportFragmentManager.popBackStack()
+                onRefresh()
+            }
+        }
+    }
+
+    private fun addMenuProvider() {
+        (requireActivity() as MenuHost).addMenuProvider(
+            object : MenuProvider {
+                override fun onCreateMenu(menu: Menu, menuInflater: MenuInflater) {
+                    menu.findItem(R.id.action_search).apply {
+                        isVisible = true
+                        searchView = (actionView as? SearchView)?.also { sv ->
+                            sv.setOnQueryTextListener(this@PreviewTextStringFragment)
+                            sv.maxWidth = Int.MAX_VALUE
+                            viewThemeUtils.androidx.themeToolbarSearchView(sv)
+                            if (searchOpen) {
+                                sv.isIconified = false
+                                sv.setQuery(searchQuery, true)
+                                sv.clearFocus()
+                            }
+                        }
+                    }
+                }
+
+                override fun onMenuItemSelected(menuItem: MenuItem) = false
+            },
+            viewLifecycleOwner,
+            Lifecycle.State.RESUMED
+        )
+    }
+
+    override fun loadAndShowTextPreview() {
+        originalText = file.richWorkspace
+        setText(binding.textPreview, originalText, file, requireActivity(), true, false, viewThemeUtils)
+        binding.textPreview.visibility = View.VISIBLE
+        binding.emptyListProgress.visibility = View.GONE
+    }
+
+    private fun edit() {
+        lifecycleScope.launch(Dispatchers.IO) {
+            val result = RichWorkspaceDirectEditingRemoteOperation(file.remotePath)
+                .execute(accountManager.user, context)
+
+            if (result.isSuccess) {
+                containerActivity?.getFileOperationsHelper()?.openRichWorkspaceWithTextEditor(
+                    file,
+                    result.singleData as? String,
+                    context
+                )
+                isEditorWebviewLaunched = true
+            } else {
+                withContext(Dispatchers.Main) {
+                    activity?.let {
+                        DisplayUtils.showSnackMessage(
+                            it,
+                            R.string.preview_text_string_fragment_open_rich_text_editor_error_message
+                        )
+                    }
+                }
+            }
+        }
+    }
+
+    companion object {
+        private const val EXTRA_FILE = "FILE"
+    }
+}

app/src/main/java/com/owncloud/android/ui/preview/PreviewTextStringFragment.kt

@@ -6,6 +6,7 @@
   ~ SPDX-License-Identifier: AGPL-3.0-or-later OR GPL-2.0-only
 -->
 <resources>
+    <string name="preview_text_string_fragment_open_rich_text_editor_error_message">Failed to open text editor</string>
     <string name="bottom_navigation_menu_files_label">All files</string>
     <string name="bottom_navigation_menu_favorites_label">Favorites</string>
     <string name="bottom_navigation_menu_assistant_label">Assistant</string>