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Revamped the config object editor system to make it easier to create

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custom editors for simple data types. Added a checkbox editor for boolean
fields. Also switched the layout to the side as one is likely to
accumulate many objects and allowed an object to be specified as the
default.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@3452 542714f4-19e9-0310-aa3c-eee0fc999fb1
This commit is contained in:
Michael Bayne
2005-04-01 00:03:58 +00:00
parent 1c0260198d
commit c0430e3131
6 changed files with 242 additions and 91 deletions
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src/java/com/threerings/admin/client/FieldEditor.java
+43 -86
View File
@@ -34,6 +34,7 @@ import javax.swing.JPanel;
import javax.swing.JTextField;
import com.samskivert.swing.HGroupLayout;
import com.samskivert.util.ObjectUtil;
import com.samskivert.util.StringUtil;
import com.threerings.presents.dobj.AttributeChangeListener;
@@ -47,7 +48,7 @@ import com.threerings.admin.Log;
/**
* Used to display and edit a particular distributed object field.
*/
public class FieldEditor extends JPanel
public abstract class FieldEditor extends JPanel
implements AttributeChangeListener, ActionListener, FocusListener
{
public FieldEditor (PresentsContext ctx, Field field, DObject object)
@@ -62,16 +63,8 @@ public class FieldEditor extends JPanel
// a label to display the field name
add(_label = new JLabel(_field.getName()));
// and a text entry field to display the field value
add(_value = new JTextField());
_value.addActionListener(this);
// set up our default border
updateBorder(false);
// we want to let the user know if they remove focus from a text
// box without changing a field that it's not saved
_value.addFocusListener(this);
}
// documentation inherited
@@ -81,7 +74,7 @@ public class FieldEditor extends JPanel
// listen to the object while we're visible
_object.addListener(FieldEditor.this);
_value.setText(readValue());
displayValue(getValue());
}
public void removeNotify ()
@@ -95,77 +88,16 @@ public class FieldEditor extends JPanel
// documentation inherited from interface
public void attributeChanged (AttributeChangedEvent event)
{
_value.setText(readValue());
displayValue(getValue());
updateBorder(false);
}
/**
* Reads the value from the distributed object field and returns it.
*/
protected String readValue ()
{
try {
return StringUtil.toString(_field.get(_object), "", "");
} catch (IllegalAccessException iae) {
updateBorder(true);
return "<error>";
}
}
/**
* Parse the value.
*/
protected Object parseValue (String text)
throws Exception
{
// parse the new value
if (_field.getType().equals(Integer.class) ||
_field.getType().equals(Integer.TYPE)) {
return new Integer(text);
} else if (_field.getType().equals(Long.class) ||
_field.getType().equals(Long.TYPE)) {
return new Long(text);
} else if (_field.getType().equals(Float.class) ||
_field.getType().equals(Float.TYPE)) {
return new Float(text);
} else if (_field.getType().equals(Double.class) ||
_field.getType().equals(Double.TYPE)) {
return new Double(text);
} else if (_field.getType().equals(String.class)) {
return text;
} else if (_field.getType().equals(STRING_ARRAY_PROTO.getClass())) {
return StringUtil.parseStringArray(_value.getText());
} else if (_field.getType().equals(INT_ARRAY_PROTO.getClass())) {
return StringUtil.parseIntArray(_value.getText());
} else if (_field.getType().equals(FLOAT_ARRAY_PROTO.getClass())) {
return StringUtil.parseFloatArray(_value.getText());
} else if (_field.getType().equals(LONG_ARRAY_PROTO.getClass())) {
return StringUtil.parseLongArray(_value.getText());
} else if (_field.getType().equals(Boolean.TYPE)) {
return new Boolean(_value.getText().equalsIgnoreCase("true"));
} else {
Log.warning("Unknown field type '" + _field.getName() + "': " +
_field.getType().getName() + ".");
return null;
}
}
// documentation inherited from interface
public void actionPerformed (ActionEvent event)
{
Object value = null;
try {
value = parseValue(_value.getText());
value = getDisplayValue();
} catch (Exception e) {
updateBorder(true);
}
@@ -190,10 +122,42 @@ public class FieldEditor extends JPanel
// documentation inherited from interface
public void focusLost (FocusEvent event)
{
// make sure the value is not changed, if it is, set a modified
// border
String value = readValue();
updateBorder(!value.equals(_value.getText()));
// make sure the value is not changed from the value in the
// object; if it is, set a modified border
Object dvalue = null;
try {
dvalue = getDisplayValue();
} catch (Exception e) {
Log.warning("Failed to parse display value " + e + ".");
displayValue(getValue());
}
updateBorder(!ObjectUtil.equals(dvalue, getValue()));
}
/**
* Returns the currently displayed value.
*/
protected abstract Object getDisplayValue ()
throws Exception;
/**
* Reads the value from the distributed object field and updates the
* display with it.
*/
protected abstract void displayValue (Object value);
/**
* Returns the current object value.
*/
protected Object getValue ()
{
try {
return _field.get(_object);
} catch (Exception e) {
Log.warning("Failed to fetch field [field=" + _field +
", object=" + _object + ", error=" + e + "].");
return null;
}
}
/**
@@ -203,10 +167,9 @@ public class FieldEditor extends JPanel
protected void updateBorder (boolean modified)
{
if (modified) {
_value.setBorder(BorderFactory.createMatteBorder(
2, 2, 2, 2, Color.red));
setBorder(BorderFactory.createMatteBorder(2, 2, 2, 2, Color.red));
} else {
_value.setBorder(BorderFactory.createEmptyBorder(2, 2, 2, 2));
setBorder(BorderFactory.createEmptyBorder(2, 2, 2, 2));
}
}
@@ -214,10 +177,4 @@ public class FieldEditor extends JPanel
protected Field _field;
protected DObject _object;
protected JLabel _label;
protected JTextField _value;
protected static final String[] STRING_ARRAY_PROTO = new String[0];
protected static final int[] INT_ARRAY_PROTO = new int[0];
protected static final float[] FLOAT_ARRAY_PROTO = new float[0];
protected static final long[] LONG_ARRAY_PROTO = new long[0];
}