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CGBEDialog.java
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CGBEDialog.java
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import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.border.Border;
import java.util.EventObject;
import java.util.Vector;
import java.io.*;
/******************************
* Copyright (c) 2003--2022 Kevin Lano
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
* *****************************/
/* Package: GUI */
public class CGBEDialog extends JDialog
{ private JPanel bottom;
private JButton okButton, cancelButton;
private CGBEDialogPanel dialogPanel;
private String defaultName;
private String defaultType;
private String defaultExpressions;
private String defaultStatements;
private String defaultLocalDecs;
private String defaultDeclarations;
private String defaultClasses;
private String defaultEnums;
private String newName;
private String newType;
private String newExpressions;
private String newStatements;
private String newLocalDecs;
private String newDeclarations;
private String newClasses;
private String newEnums;
public CGBEDialog(JFrame owner)
{ super(owner, true);
setTitle("Specify CGBE grammar/rules");
okButton = new JButton("Ok");
cancelButton = new JButton("Cancel");
ButtonHandler bHandler = new ButtonHandler();
okButton.addActionListener(bHandler);
cancelButton.addActionListener(bHandler);
bottom = new JPanel();
bottom.add(okButton);
bottom.add(cancelButton);
bottom.setBorder(BorderFactory.createEtchedBorder());
dialogPanel = new CGBEDialogPanel();
getContentPane().setLayout(new BorderLayout());
getContentPane().add(bottom, BorderLayout.SOUTH);
getContentPane().add(dialogPanel, BorderLayout.CENTER);
CGBESizeHandler sh = new CGBESizeHandler(dialogPanel);
addComponentListener(sh);
}
public void setOldFields(String nme, String type, String params,
String pre, String post, String cls,
String locdecs, String enumdecs)
{ defaultName = nme;
defaultType = type;
defaultExpressions = params;
defaultStatements = pre;
defaultLocalDecs = locdecs;
defaultDeclarations = post;
defaultClasses = cls;
defaultEnums = enumdecs;
dialogPanel.setOldFields(nme,type,params,pre,
post,cls,locdecs,enumdecs);
}
public void setFields(String nme, String type,
String params,
String pre, String post,
String stereo,
String locdecs,
String enumdecs)
{ newName = nme;
newType = type;
newExpressions = params;
newStatements = pre;
newLocalDecs = locdecs;
newDeclarations = post;
newClasses = stereo;
newEnums = enumdecs;
}
public String getName()
{ return newName; }
public String getTypesRule()
{ return newType; }
public String getExpressionsRule()
{ return newExpressions; }
public String getStatementsRule()
{ return newStatements; }
public String getLocalDecsRule()
{ return newLocalDecs; }
public String getDeclarationsRule()
{ return newDeclarations; }
public String getClassesRule()
{ return newClasses; }
public String getEnumsRule()
{ return newEnums; }
class CGBEDialogPanel extends JPanel
{ private JLabel nameLabel;
JTextField nameField; /* name */
private JLabel typeLabel;
JTextField typeField;
private JLabel exprsLabel;
JTextField exprsField;
private JLabel statsLabel;
JTextField statsField;
private JLabel declnsLabel;
JTextField declnsField;
private JLabel classesLabel;
JTextField classesField;
private JLabel localdecsLabel;
JTextField localdecsField;
private JLabel enumsLabel;
JTextField enumsField;
public CGBEDialogPanel()
{ nameLabel = new JLabel("Target Antlr grammar name:");
nameField = new JTextField();
nameField.setToolTipText("Antlr grammar name for target language");
typeLabel = new JLabel("Grammar rule for types:");
typeField = new JTextField();
typeField.setToolTipText("Antlr grammar rule for parsing types");
exprsLabel = new JLabel("Rule for expressions:");
exprsField = new JTextField();
statsLabel = new JLabel("Rule for statements:");
statsField = new JTextField();
declnsLabel = new JLabel("Rule for fields/operations:");
declnsField = new JTextField();
declnsField.setToolTipText("Grammar rule to parse data and function declarations");
classesLabel = new JLabel("Rule for classes/structs:");
classesField = new JTextField();
localdecsLabel = new JLabel("Rule for local declarations:");
localdecsField = new JTextField();
enumsLabel = new JLabel("Rule for enum declarations:");
enumsField = new JTextField();
add(nameLabel);
add(nameField);
add(typeLabel);
add(typeField);
add(exprsLabel);
add(exprsField);
add(statsLabel);
add(statsField);
add(declnsLabel);
add(declnsField);
add(classesLabel);
add(classesField);
add(localdecsLabel);
add(localdecsField);
add(enumsLabel);
add(enumsField);
}
public void setOldFields(String nme, String type, String params,
String pre, String post, String cls,
String locdecs, String enumdecs)
{ nameField.setText(nme);
typeField.setText(type);
exprsField.setText(params);
statsField.setText(pre);
declnsField.setText(post);
classesField.setText(cls);
localdecsField.setText(locdecs);
enumsField.setText(enumdecs);
}
public Dimension getPreferredSize()
{ return new Dimension(500,300); }
public Dimension getMinimumSize()
{ return new Dimension(500,300); }
public void doLayout()
{
nameLabel.setBounds(10,10,200,30);
nameField.setBounds(210,15,270,20);
typeLabel.setBounds(10,40,200,30);
typeField.setBounds(210,45,270,20);
exprsLabel.setBounds(10,70,200,30);
exprsField.setBounds(210,75,270,20);
statsLabel.setBounds(10,100,200,30);
statsField.setBounds(210,105,270,20);
declnsLabel.setBounds(10,130,200,30);
declnsField.setBounds(210,135,270,20);
classesLabel.setBounds(10,160,200,30);
classesField.setBounds(210,165,270,20);
localdecsLabel.setBounds(10,190,200,30);
localdecsField.setBounds(210,195,270,20);
enumsLabel.setBounds(10,220,200,30);
enumsField.setBounds(210,225,270,20);
}
public void resize()
{
int newwidth = getWidth();
nameField.setSize(newwidth - 210, 20);
exprsField.setSize(newwidth - 210, 20);
typeField.setSize(newwidth - 210, 20);
classesField.setSize(newwidth - 210, 20);
declnsField.setSize(newwidth - 210, 20);
statsField.setSize(newwidth - 210, 20);
localdecsField.setSize(newwidth - 210, 20);
enumsField.setSize(newwidth - 210, 20);
}
public void reset()
{ nameField.setText("Java");
typeField.setText("typeTypeOrVoid");
exprsField.setText("expression");
statsField.setText("statement");
declnsField.setText("classBodyDeclaration");
classesField.setText("classDeclaration");
localdecsField.setText("localVariableDeclaration");
enumsField.setText("enumDeclaration");
}
} /* inner class */
class ButtonHandler implements ActionListener
{ public void actionPerformed(ActionEvent ev)
{ JButton button = (JButton) ev.getSource();
String label = button.getText();
if ("Ok".equals(label))
{ setFields(dialogPanel.nameField.getText(),
dialogPanel.typeField.getText(),
dialogPanel.exprsField.getText(),
dialogPanel.statsField.getText(),
dialogPanel.declnsField.getText(),
dialogPanel.classesField.getText(),
dialogPanel.localdecsField.getText(),
dialogPanel.enumsField.getText());
}
else
{ setFields(null,null,null,
null,null,null,null,null);
}
dialogPanel.reset();
setVisible(false);
}
}
class CGBESizeHandler implements ComponentListener
{ CGBEDialogPanel panel;
CGBESizeHandler(CGBEDialogPanel p)
{ panel = p; }
public void componentResized(ComponentEvent e)
{ panel.resize(); }
public void componentMoved(ComponentEvent e) { }
public void componentShown(ComponentEvent e) { }
public void componentHidden(ComponentEvent e) { }
}
}