from PyQt6.QtWidgets import QWidget, QVBoxLayout, QLabel, QLineEdit, QSpacerItem

class MetadataInput(QWidget):
    def __init__(self, elements: list[tuple[str, str]]=None):
        super().__init__()
        self.layout = QVBoxLayout()
        self.elements = []
        if elements is not None:
            for (n, v) in elements:
                self.addElement(n, v)
        self.layout.addStretch()
        self.setLayout(self.layout)

    def addElement(self, name, init_val=""):
        self.elements.append((name, init_val))
        self.layout.addWidget(QLabel(name))
        self.layout.addWidget(QLineEdit(init_val))
        self.layout.addItem(QSpacerItem(0, 1))