clean current file and tree item references when regenerating tree

README.md

@@ -6,4 +6,4 @@ This project aims to provide a nice frontend/UI to manage Ticle files and an eas
 
 It uses a slightly modified version of [godot-http-server](https://github.com/velopman/godot-http-server) for the server side.
 
-The version of Godot used for this project is 3.5rc4.
+The version of Godot used for this project is 3.5rc5.

ServerUI.gd

@@ -1,11 +1,16 @@
 extends Control
 
 const SERVER_STATUS_TEXT: Dictionary = {
-	"RUNNING": "Server is running!",
+	true: "Server is running!",
-	"NOT_RUNNING": "Server is not running."
+	false: "Server is not running.",
 }
 
-const ACCEPTED_FILE_FORMATS := ["md"] # server should ignore these file types when adding endpoints
+const START_BUTTON_SERVER_TEXT: Dictionary = {
+	true: "Stop server",
+	false: "Start server",
+}
+
+const ACCEPTED_FILE_FORMATS := ["md"]
 
 export(bool) var enable_file_autosave := true # if true, will save the active file's contents every save_file_timeout seconds.
 export(float) var save_file_timeout := 4.0 # the time to save document content after the edited signal of TextEdit
@@ -19,6 +24,7 @@ onready var server_path_label := $"%ServerPathLabel"
 onready var port_spin_box := $"%PortSpinBox"
 onready var start_server_button := $"%StartServerButton"
 onready var server_status_label := $"%ServerStatusLabel"
+onready var open_browser_button := $"%OpenBrowserButton"
 
 onready var document_title_lineedit := $"%DocTitleLineEdit"
 onready var document_date_lineedit := $"%DocDateLineEdit"
@@ -32,12 +38,12 @@ onready var content_preview_richtextlabel := $"%ContentPreviewRichTextLabel"
 onready var server_folder_dialog := $"%ServerFolderDialog"
 
 signal server_folder_changed(new_path) # new_path: String
-signal server_port_changed(new_port) # new_port: int
 signal start_server_button_pressed(port, path) # port: int, path: String
 signal stop_server_button_pressed() # emit from %StartServerButton, when the server is not running.
-signal open_browser_button_pressed(port) # port: int
 
-signal files_selection_changed(new_files) # new_files: Array<String>
+#signal server_port_changed(new_port) # new_port: int
+#signal open_browser_button_pressed(port) # port: int
+#signal files_selection_changed(new_files) # new_files: Array<String>
 
 var server_dir: String setget set_server_dir
 var is_server_running: bool = false setget set_server_running
@@ -68,9 +74,10 @@ func set_server_dir(dir: String) -> void:
 
 	var directory := Directory.new()
 	if directory.open(dir) == OK:
-		directory.list_dir_begin()
+		if directory.list_dir_begin() != OK:
+			push_error("Directory error") # TODO: show a user-facing error
+
 		var file_name: String = directory.get_next()
-		var idx: int = 0
 		while file_name != "":
 			if !directory.current_is_dir() && (file_name.get_extension() in ACCEPTED_FILE_FORMATS):
 				var fd = FileDef(file_name, false)
@@ -84,16 +91,18 @@ func set_server_dir(dir: String) -> void:
 					fd.title = file_metadata["title"]
 					fd.date = file_metadata["date"]
 
-				idx += 1
-
 			file_name = directory.get_next()
 
 		directory.list_dir_end()
 
 	_reconstruct_tree_from_working_files()
+	emit_signal("server_folder_changed", server_dir)
 
 
 func _reconstruct_tree_from_working_files() -> void:
+	current_file = null
+	current_tree_selection = null
+
 	file_tree.clear()
 	var root: TreeItem = file_tree.create_item()
 	root.set_text(0, "Server files")
@@ -128,6 +137,11 @@ func _on_FileTree_item_selected() -> void:
 func _on_FileTree_item_rmb_selected(position: Vector2) -> void:
 	current_tree_selection = file_tree.get_selected()
 	file_tree_context_menu.rect_position = position + file_tree.rect_global_position
+	file_tree_context_menu.popup()
+
+	if is_server_running:
+		return # the file tree can't be edited while the server is running, so disable moving items as well
+
 	if (current_tree_selection.get_metadata(0)["id"] as int) == 0:
 		file_tree_context_menu.set_item_disabled(ContextMenuOptions.MOVE_UP, true)
 	else:
@@ -139,29 +153,23 @@ func _on_FileTree_item_rmb_selected(position: Vector2) -> void:
 		file_tree_context_menu.set_item_disabled(ContextMenuOptions.MOVE_DOWN, false)
 
 
-	file_tree_context_menu.popup()
-
-
 func _on_OpenServerFolderButton_pressed() -> void:
 	server_folder_dialog.popup()
 
 
 func set_server_running(running: bool) -> void:
 	is_server_running = running
-	if is_server_running:
+
-		server_status_label.text = SERVER_STATUS_TEXT.RUNNING
+	port_spin_box.editable = !running
-		start_server_button.text = "Stop server"
+	document_date_lineedit.editable = !running
-		port_spin_box.editable = false
+	document_title_lineedit.editable = !running
-		document_date_lineedit.editable = false
+	document_input_textedit.readonly = running
-		document_title_lineedit.editable = false
+	open_browser_button.disabled = !running
-		document_input_textedit.readonly = true
+	_set_file_tree_disabled(running)
-	else:
+	_set_context_menu_disabled(running)
-		server_status_label.text = SERVER_STATUS_TEXT.NOT_RUNNING
+
-		start_server_button.text = "Start server"
+	server_status_label.text = SERVER_STATUS_TEXT[running]
-		port_spin_box.editable = !false
+	start_server_button.text = START_BUTTON_SERVER_TEXT[running]
-		document_date_lineedit.editable = !false
-		document_title_lineedit.editable = !false
-		document_input_textedit.readonly = !true
 
 
 func _generate_filestxt():
@@ -170,7 +178,7 @@ func _generate_filestxt():
 	for file in working_files:
 		file = file as FileDef
 		if file.include_in_filestxt:
-			files += "%s %s %s\n" % [file.file_path, file.date, file.title]
+			files += ("%s %s %s" % [file.file_path, file.date, file.title]).strip_edges(false, true) + "\n"
 
 	var f := File.new()
 	if f.open(server_dir.plus_file("files.txt"), File.WRITE) == OK:
@@ -235,6 +243,25 @@ func _get_file_content(path: String) -> String:
 	return content
 
 
+func _set_file_tree_disabled(disabled: bool) -> void:
+	var root = file_tree.get_root()
+	var tree_item = root.get_children() as TreeItem
+	while tree_item != null:
+		tree_item.set_editable(0, !disabled)
+		tree_item = tree_item.get_next()
+
+
+func _set_context_menu_disabled(disabled: bool) -> void:
+	for i in file_tree_context_menu.get_item_count():
+		file_tree_context_menu.set_item_disabled(i, disabled)
+
+
+func _commit_all_files() -> void:
+	for file in working_files:
+		file = file as FileDef
+		file.commit(server_dir)
+
+
 func _on_FileTreeContextMenu_id_pressed(id: int) -> void:
 	var idx = current_tree_selection.get_metadata(0)["id"] as int
 	var fd = working_files[idx] as FileDef
@@ -259,6 +286,17 @@ func _on_DocDateLineEdit_text_changed(new_text: String) -> void:
 		current_file.date = new_text
 
 
+func _on_OpenBrowserButton_pressed() -> void:
+	if OS.shell_open("http://localhost:%s" % port_spin_box.value) != OK:
+		push_error("Error opening browser!") # TODO: show a user-facing error
+
+
+func _on_RefreshFilesButton_pressed() -> void:
+	_commit_all_files()
+	_generate_filestxt()
+	self.server_dir = server_dir
+
+
 func _on_DocInputTextEdit_text_changed() -> void:
 	if current_file:
 		var new_text: String = document_input_textedit.text
@@ -270,6 +308,7 @@ func _on_DocInputTextEdit_text_changed() -> void:
 			t.one_shot = true
 			current_file.timer = t
 			add_child(t)
+# warning-ignore:return_value_discarded
 			t.connect("timeout", self, "_on_EditedTimeout_timeout", [t, current_file])
 		else:
 			current_file.timer.stop()
@@ -280,9 +319,7 @@ func _on_EditedTimeout_timeout(timer: Timer, file: FileDef) -> void:
 	file.timer = null
 	timer.queue_free()
 
-	var f := File.new()
+	file.commit(server_dir)
-	if f.open(server_dir.plus_file(file.file_path), File.WRITE) == OK:
-		f.store_string(file.content)
 
 
 func FileDef(
@@ -308,3 +345,15 @@ class FileDef:
 	var content: String
 
 	var timer: Timer
+
+	func commit(server_dir: String) -> void:
+		var f := File.new()
+		var open := f.open(server_dir.plus_file(file_path), File.WRITE)
+		if open == OK:
+			f.store_string(content)
+
+			if timer && !timer.is_stopped(): # if there's an autosave pending, stop it since we're setting it here.
+				timer.stop()
+
+		else:
+			push_error("Error committing file %s, code %s" % [file_path, open]) # TODO: show a user-facing error

ServerUI.tscn

@@ -78,11 +78,13 @@ margin_bottom = 23.0
 text = "Server is not running."
 
 [node name="OpenBrowserButton" type="Button" parent="VBoxContainer/HBoxContainer"]
+unique_name_in_owner = true
 margin_left = 922.0
 margin_right = 1040.0
 margin_bottom = 32.0
 rect_min_size = Vector2( 0, 32 )
 size_flags_horizontal = 12
+disabled = true
 text = "Open in browser"
 
 [node name="HSplitContainer" type="HSplitContainer" parent="VBoxContainer"]
@@ -248,6 +250,8 @@ items = [ "Move Up", null, 0, false, false, 0, 0, null, "", false, "Move Down",
 
 [connection signal="pressed" from="VBoxContainer/HBoxContainer/OpenServerFolderButton" to="." method="_on_OpenServerFolderButton_pressed"]
 [connection signal="pressed" from="VBoxContainer/HBoxContainer/StartServerButton" to="." method="_on_StartServerButton_pressed"]
+[connection signal="pressed" from="VBoxContainer/HBoxContainer/OpenBrowserButton" to="." method="_on_OpenBrowserButton_pressed"]
+[connection signal="pressed" from="VBoxContainer/HSplitContainer/VBoxContainer2/HBoxContainer2/RefreshFilesButton" to="." method="_on_RefreshFilesButton_pressed"]
 [connection signal="item_edited" from="VBoxContainer/HSplitContainer/VBoxContainer2/FileTree" to="." method="_on_FileTree_item_edited"]
 [connection signal="item_rmb_selected" from="VBoxContainer/HSplitContainer/VBoxContainer2/FileTree" to="." method="_on_FileTree_item_rmb_selected"]
 [connection signal="item_selected" from="VBoxContainer/HSplitContainer/VBoxContainer2/FileTree" to="." method="_on_FileTree_item_selected"]