JonShard
137 lines
3.6 KiB
GDScript
137 lines
3.6 KiB
GDScript
@tool
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class_name YAMLEditorDocument extends RefCounted
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# Primary document data
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var path: String
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var content: String
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var is_modified: bool = false
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var validation_result: YAMLResult
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# History management
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class YAMLEditorHistoryState extends RefCounted:
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var text: String
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var caret_line: int = 0
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var caret_column: int = 0
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func _init(p_text: String, p_line: int = 0, p_column: int = 0) -> void:
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text = p_text
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caret_line = p_line
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caret_column = p_column
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func _to_string() -> String:
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return "YAMLEditorHistoryState(text_length=%d, line=%d, column=%d)" % [text.length(), caret_line, caret_column]
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# Limit history size to prevent excessive memory use
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const MAX_HISTORY := 100
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var history_states: Array[YAMLEditorHistoryState] = []
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var current_history_index: int = -1
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var saved_history_index: int = -1
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# Signals
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signal content_changed(document)
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signal validation_changed(document)
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signal modified_changed(document)
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# Constructor
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func _init(p_path: String, p_content: String = "") -> void:
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path = p_path
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content = p_content
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validation_result = YAMLResult.new() # Empty result
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# Take initial snapshot if content isn't empty
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if not p_content.is_empty():
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_add_history_state(YAMLEditorHistoryState.new(p_content))
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# File path utilities
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func get_file_name() -> String:
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return path.get_file()
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func is_untitled() -> bool:
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return path.begins_with("untitled")
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# Content management
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func set_content(new_content: String, caret_line: int = 0, caret_column: int = 0) -> void:
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if content == new_content:
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return
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content = new_content
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_add_history_state(YAMLEditorHistoryState.new(new_content, caret_line, caret_column))
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set_modified(true)
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content_changed.emit(self)
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# Modification state
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func set_modified(modified: bool) -> void:
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if is_modified == modified:
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return
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is_modified = modified
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modified_changed.emit(self)
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# Validation management
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func set_validation_result(result: YAMLResult) -> void:
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validation_result = result
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validation_changed.emit(self)
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func has_error() -> bool:
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return validation_result and validation_result.has_error()
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# History management
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func can_undo() -> bool:
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return current_history_index > 0 # Need at least one previous state
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func can_redo() -> bool:
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return current_history_index < history_states.size() - 1
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func undo() -> YAMLEditorHistoryState:
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if not can_undo():
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return null
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current_history_index -= 1
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var state := history_states[current_history_index]
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content = state.text
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# Update modification state
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set_modified(current_history_index != saved_history_index)
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content_changed.emit(self)
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return state
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func redo() -> YAMLEditorHistoryState:
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if not can_redo():
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return null
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current_history_index += 1
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var state := history_states[current_history_index]
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content = state.text
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# Update modification state
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set_modified(current_history_index != saved_history_index)
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content_changed.emit(self)
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return state
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func mark_saved() -> void:
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saved_history_index = current_history_index
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set_modified(false)
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func _add_history_state(state: YAMLEditorHistoryState) -> void:
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# If we're not at the end of history, truncate future states
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if current_history_index < history_states.size() - 1:
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history_states = history_states.slice(0, current_history_index + 1)
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# Add the new state
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history_states.append(state)
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current_history_index = history_states.size() - 1
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if history_states.size() > MAX_HISTORY:
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var excess := history_states.size() - MAX_HISTORY
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history_states = history_states.slice(excess)
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current_history_index -= excess
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# Adjust saved index if needed
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if saved_history_index >= 0:
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saved_history_index -= excess
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if saved_history_index < 0:
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saved_history_index = -1
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