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package org.netbeans.modules.form.codestructure;
import java.beans.PropertyEditor;
import java.lang.reflect.*;
import org.openide.nodes.Node;
import org.netbeans.modules.form.*;
/**
* @author Tomas Pavek
*/
public class FormCodeSupport {
public static CodeExpressionOrigin createOrigin(Node.Property property) {
if (property instanceof FormProperty)
return new FormPropertyValueOrigin((FormProperty)property);
else
return new PropertyValueOrigin(property);
}
public static CodeExpressionOrigin createOrigin(Class type,
PropertyEditor prEd)
{
return new PropertyEditorOrigin(type, prEd);
}
public static CodeExpressionOrigin createOrigin(RADComponent component) {
return new RADComponentOrigin(component);
}
public static void readPropertyExpression(CodeExpression expression,
Node.Property property,
boolean allowChangeFiring)
{
FormProperty fProperty = property instanceof FormProperty ?
(FormProperty) property : null;
if (fProperty != null) {
if (!allowChangeFiring) {
if (fProperty.isChangeFiring())
fProperty.setChangeFiring(false);
else
allowChangeFiring = true; // just not to set firing back
}
Object metaOrigin = expression.getOrigin().getMetaObject();
if (metaOrigin instanceof PropertyEditor)
fProperty.setCurrentEditor((PropertyEditor)metaOrigin);
}
try {
property.setValue(expression.getOrigin().getValue());
}
catch (Exception ex) { // ignore
org.openide.ErrorManager.getDefault().notify(org.openide.ErrorManager.INFORMATIONAL, ex);
}
expression.setOrigin(createOrigin(property));
if (fProperty != null && !allowChangeFiring)
fProperty.setChangeFiring(true);
}
public static void readPropertyStatement(CodeStatement statement,
Node.Property property,
boolean allowChangeFiring)
{
// expecting statement with one expression parameter
CodeExpression[] params = statement.getStatementParameters();
if (params.length != 1)
throw new IllegalArgumentException();
readPropertyExpression(params[0], property, allowChangeFiring);
}
// --------
static final class PropertyValueOrigin implements CodeExpressionOrigin {
private Node.Property property;
public PropertyValueOrigin(Node.Property property) {
this.property = property;
}
public Class getType() {
return property.getValueType();
}
public CodeExpression getParentExpression() {
return null;
}
public Object getValue() {
try {
return property.getValue();
}
catch (Exception ex) {} // should no happen
return null;
}
public Object getMetaObject() {
return property;
}
public String getJavaCodeString(String parentStr, String[] paramsStr) {
try {
PropertyEditor pred = property.getPropertyEditor();
pred.setValue(property.getValue());
return pred.getJavaInitializationString();
}
catch (Exception ex) {} // should not happen
return null;
}
public CodeExpression[] getCreationParameters() {
return CodeStructure.EMPTY_PARAMS;
}
}
static final class FormPropertyValueOrigin implements CodeExpressionOrigin {
private FormProperty property;
public FormPropertyValueOrigin(FormProperty property) {
this.property = property;
}
public Class getType() {
return property.getValueType();
}
public CodeExpression getParentExpression() {
return null;
}
public Object getValue() {
try {
return property.getRealValue();
// [or getValue() ??]
}
catch (Exception ex) {} // should no happen
return null;
}
public Object getMetaObject() {
return property;
}
public String getJavaCodeString(String parentStr, String[] paramsStr) {
return property.getJavaInitializationString();
}
public CodeExpression[] getCreationParameters() {
return CodeStructure.EMPTY_PARAMS;
}
}
static final class PropertyEditorOrigin implements CodeExpressionOrigin {
private Class type;
private PropertyEditor propertyEditor;
public PropertyEditorOrigin(Class type, PropertyEditor prEd) {
this.type = type;
this.propertyEditor = prEd;
}
public Class getType() {
return type;
}
public CodeExpression getParentExpression() {
return null;
}
public Object getValue() {
return propertyEditor.getValue();
}
public Object getMetaObject() {
return propertyEditor;
}
public String getJavaCodeString(String parentStr, String[] paramsStr) {
return propertyEditor.getJavaInitializationString();
}
public CodeExpression[] getCreationParameters() {
return CodeStructure.EMPTY_PARAMS;
}
}
static final class RADComponentOrigin implements CodeExpressionOrigin {
private RADComponent component;
public RADComponentOrigin(RADComponent component) {
this.component = component;
}
public Class getType() {
return component.getBeanClass();
}
public CodeExpression getParentExpression() {
return null;
}
public Object getMetaObject() {
return component;
}
public Object getValue() {
return component.getBeanInstance();
}
public CodeExpression[] getCreationParameters() {
return CodeStructure.EMPTY_PARAMS;
}
public String getJavaCodeString(String parentStr, String[] paramsStr) {
if (component == component.getFormModel().getTopRADComponent())
return "this"; // NOI18N
StringBuffer buf = new StringBuffer();
buf.append("new "); // NOI18N
buf.append(component.getBeanClass().getName().replace('&','.')); // NOI18N
buf.append("()"); // NOI18N
return buf.toString();
}
}
}
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