package nodebox.client;

import nodebox.node.*;

import javax.swing.*;

import java.awt.*;

public class TextWindow extends AbstractParameterEditor {

private JTextArea textArea;

public TextWindow(Parameter parameter) {

super(parameter);

}

public Component getContentArea() {

textArea = new JTextArea(getParameter().asString());

textArea.setFont(Theme.EDITOR_FONT);

textArea.setBorder(null);

JScrollPane textScroll = new JScrollPane(textArea, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED, JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);

textScroll.setBorder(BorderFactory.createEtchedBorder());

return textScroll;

}

public boolean save() {

textArea.requestFocus();

try {

NodeBoxDocument doc = NodeBoxDocument.getCurrentDocument();

if (doc == null) throw new RuntimeException("No current active document.");

doc.setParameterValue(getParameter(), textArea.getText());

return true;

} catch (IllegalArgumentException ee) {

JOptionPane.showMessageDialog(this, "Error while saving parameter: " + ee.getMessage(), "Parameter error", JOptionPane.ERROR_MESSAGE);

return false;

}

}

public void valueChanged(Parameter source) {

// Don't change the expression area if the expression is the same.

// This would cause an infinite loop of setExpression/valueChanged calls.

if (textArea.getText().equals(getParameter().asString())) return;

textArea.setText(getParameter().asString());

}

public static void main(String[] args) {

NodeLibrary testLibrary = new NodeLibrary("test");

Node node = Node.ROOT_NODE.newInstance(testLibrary, "test");

Parameter pText = node.addParameter("text", Parameter.Type.STRING);

AbstractParameterEditor win = new TextWindow(pText);

win.setVisible(true);

}

}