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// **********************************************************************
//
// Copyright (c) 2003-2005 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
package IceGrid.TreeNode;
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.tree.TreePath;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import com.jgoodies.forms.builder.DefaultFormBuilder;
import com.jgoodies.forms.factories.Borders;
import com.jgoodies.forms.factories.ButtonBarFactory;
import IceGrid.Model;
import IceGrid.PropertyDescriptor;
//
// Base class for all editors
//
abstract class Editor
{
abstract void writeDescriptor();
abstract boolean isSimpleUpdate();
void postUpdate() {}
protected Editor()
{
//
// _applyButton
//
AbstractAction apply = new AbstractAction("Apply")
{
public void actionPerformed(ActionEvent e)
{
applyUpdate();
}
};
_applyButton = new JButton(apply);
//
// _discardButton
//
AbstractAction discard = new AbstractAction("Discard")
{
public void actionPerformed(ActionEvent e)
{
discardUpdate();
}
};
_discardButton = new JButton(discard);
_updateListener = new DocumentListener()
{
public void changedUpdate(DocumentEvent e)
{
updated();
}
public void insertUpdate(DocumentEvent e)
{
updated();
}
public void removeUpdate(DocumentEvent e)
{
updated();
}
};
}
protected void setTarget(CommonBase target)
{
_target = target;
}
protected JPanel buildPanel(JPanel innerPanel)
{
JScrollPane scrollPane =
new JScrollPane(innerPanel,
JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
scrollPane.setBorder(Borders.DIALOG_BORDER);
JPanel outerPanel = new JPanel(new BorderLayout());
outerPanel.add(scrollPane, BorderLayout.CENTER);
JComponent buttonBar =
ButtonBarFactory.buildRightAlignedBar(_applyButton,
_discardButton);
buttonBar.setBorder(Borders.DIALOG_BORDER);
outerPanel.add(buttonBar, BorderLayout.SOUTH);
return outerPanel;
}
protected void updated()
{
if(_detectUpdates)
{
_applyButton.setEnabled(true);
_discardButton.setEnabled(true);
}
}
protected void detectUpdates(boolean val)
{
_detectUpdates = val;
}
//
// Update when parent is a SimpleContainer
//
protected void applyUpdate()
{
Model model = _target.getModel();
if(model.canUpdate())
{
model.disableDisplay();
try
{
if(_target.isEphemeral())
{
SimpleContainer parent = (SimpleContainer)_target.getParent();
writeDescriptor();
parent.addDescriptor(_target.getDescriptor());
_target.destroy(); // just removes the child
if(!_target.getApplication().applyUpdate())
{
//
// Restores old display
//
parent = (SimpleContainer)model.findNewNode(parent.getPath());
parent.removeDescriptor(_target.getDescriptor());
try
{
parent.addChild(_target, true);
}
catch(DuplicateIdException die)
{
assert false;
}
_target.setParent(parent);
model.setSelectionPath(_target.getPath());
return;
}
else
{
parent = (SimpleContainer)model.findNewNode(parent.getPath());
_target = parent.findChildWithDescriptor(_target.getDescriptor());
model.setSelectionPath(_target.getPath());
}
}
else if(isSimpleUpdate())
{
writeDescriptor();
}
else
{
//
// Save to be able to rollback
//
Object savedDescriptor = _target.saveDescriptor();
SimpleContainer parent = (SimpleContainer)_target.getParent();
writeDescriptor();
if(!_target.getApplication().applyUpdate())
{
_target.restoreDescriptor(savedDescriptor);
//
// Need to find new node!
//
_target = model.findNewNode(_target.getPath());
model.setSelectionPath(_target.getPath());
//
//
// Everything was restored, user must deal with error
//
return;
}
else
{
parent = (SimpleContainer)model.findNewNode(parent.getPath());
_target = parent.findChildWithDescriptor(_target.getDescriptor());
model.setSelectionPath(_target.getPath());
}
}
postUpdate();
_target.getEditable().markModified();
_applyButton.setEnabled(false);
_discardButton.setEnabled(false);
}
finally
{
model.enableDisplay();
}
}
}
protected void discardUpdate()
{
_target.getModel().refreshDisplay();
}
static java.util.Map propertiesToMap(java.util.List props)
{
java.util.Map result = new java.util.HashMap(props.size());
java.util.Iterator p = props.iterator();
while(p.hasNext())
{
PropertyDescriptor pd = (PropertyDescriptor)p.next();
result.put(pd.name, pd.value);
}
return result;
}
static java.util.LinkedList mapToProperties(java.util.Map map)
{
java.util.LinkedList result = new java.util.LinkedList();
java.util.Iterator p = map.entrySet().iterator();
while(p.hasNext())
{
java.util.Map.Entry entry = (java.util.Map.Entry)p.next();
String name = (String)entry.getKey();
String value = (String)entry.getValue();
result.add(new PropertyDescriptor(name, value));
}
return result;
}
protected JButton _applyButton;
protected JButton _discardButton;
protected DocumentListener _updateListener;
protected CommonBase _target;
private boolean _detectUpdates = true;
}
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