import org.openide.explorer.propertysheet.ExPropertyEditor; //导入依赖的package包/类
/**
 * Used by PropertyAction to mimic property sheet behavior - trying to invoke
 * PropertyEnv listener of the current property editor (we can't create our
 * own PropertyEnv instance).
 * 
 * @return current value
 * @throws java.beans.PropertyVetoException if someone vetoes this change.
 */
public Object commitChanges() throws PropertyVetoException {
    int currentIndex = editorsCombo.getSelectedIndex();
    PropertyEditor currentEditor = currentIndex > -1 ? allEditors[currentIndex] : null;
    if (currentEditor instanceof ExPropertyEditor) {
        // we can only guess - according to the typical pattern the propetry
        // editor itself or the custom editor usually implement the listener
        // registered in PropertyEnv
        PropertyChangeEvent evt = new PropertyChangeEvent(
                this, PropertyEnv.PROP_STATE, null, PropertyEnv.STATE_VALID);
        if (currentEditor instanceof VetoableChangeListener) {
            ((VetoableChangeListener)currentEditor).vetoableChange(evt);
        }
        Component currentCustEd = currentIndex > -1 ? allCustomEditors[currentIndex] : null;
        if (currentCustEd instanceof VetoableChangeListener) {
            ((VetoableChangeListener)currentCustEd).vetoableChange(evt);
        }
        if (currentEditor instanceof PropertyChangeListener) {
            ((PropertyChangeListener)currentEditor).propertyChange(evt);
        }
        if (currentCustEd instanceof PropertyChangeListener) {
            ((PropertyChangeListener)currentCustEd).propertyChange(evt);
        }
    }
    return commitChanges0();
}
 

import org.openide.explorer.propertysheet.ExPropertyEditor; //导入依赖的package包/类
boolean setValueWithMirror(Object value, Object valueMirror) {
    this.currentValue = value;
    Class clazz = valueMirror.getClass();
    PropertyEditor propertyEditor = findPropertyEditor(clazz);
    propertyEditor = testPropertyEditorOnValue(propertyEditor, valueMirror);
    if (propertyEditor == null) {
        return false;
    }
    boolean doAttach = false;
    mirrorClass = clazz;
    delegatePropertyEditor = propertyEditor;
    if (env != null && propertyEditor instanceof ExPropertyEditor) {
        doAttach = true;
    }
    delegateValue = valueMirror;
    delegatePropertyEditor.setValue(valueMirror);
    if (doAttach) {
        ((ExPropertyEditor) delegatePropertyEditor).attachEnv(env);
    }
    return doAttach;
}
 

import org.openide.explorer.propertysheet.ExPropertyEditor; //导入依赖的package包/类
@Override
public void attachEnv(PropertyEnv env) {
    if (property != null) {
        env.removeVetoableChangeListener(this);
        env.setState(PropertyEnv.STATE_NEEDS_VALIDATION);
        env.addVetoableChangeListener(this);
    }
    if (delegateEditor instanceof ExPropertyEditor)
        ((ExPropertyEditor)delegateEditor).attachEnv(env);
}
 

import org.openide.explorer.propertysheet.ExPropertyEditor; //导入依赖的package包/类
/** 
 * This method is called by the IDE to pass
 * the environment to the property editor.
 * 
 * @param env environment.
 */
@Override
public void attachEnv(PropertyEnv env) {
    propertyEnv = new WeakReference<PropertyEnv>(env);
    PropertyEditor prEd = property.getCurrentEditor();
    if (prEd instanceof ExPropertyEditor)
        ((ExPropertyEditor)prEd).attachEnv(env);
}
 

import org.openide.explorer.propertysheet.ExPropertyEditor; //导入依赖的package包/类
@Override
public void attachEnv(PropertyEnv env) {
    //System.out.println("ValuePropertyEditor.attachEnv("+env+"), feature descriptor = "+env.getFeatureDescriptor());
    env.setState(PropertyEnv.STATE_NEEDS_VALIDATION);
    env.addVetoableChangeListener(validate);
    if (delegatePropertyEditor instanceof ExPropertyEditor) {
        //System.out.println("  attaches to "+delegatePropertyEditor);
        if (delegateValue instanceof String) {
            ShortenedStrings.StringInfo shortenedInfo = ShortenedStrings.getShortenedInfo((String) delegateValue);
            if (shortenedInfo != null) {
                // The value is too large, do not allow editing!
                FeatureDescriptor desc = env.getFeatureDescriptor();
                if (desc instanceof Node.Property){
                    Node.Property prop = (Node.Property)desc;
                    // Need to make it uneditable
                    try {
                        Method forceNotEditableMethod = prop.getClass().getDeclaredMethod("forceNotEditable");
                        forceNotEditableMethod.setAccessible(true);
                        forceNotEditableMethod.invoke(prop);
                    } catch (Exception ex){}
                    //editable = prop.canWrite();
                }
            }
        }
        ((ExPropertyEditor) delegatePropertyEditor).attachEnv(env);
        this.env = env;
    }
}
 

import org.openide.explorer.propertysheet.ExPropertyEditor; //导入依赖的package包/类
public void attachEnv(PropertyEnv env) {
    //Delegate if the primitive editor is an ExPropertyEditor -
    //boolean and int editors will be
    if (pe instanceof ExPropertyEditor) {
        ((ExPropertyEditor) pe).attachEnv (env);
    }
}
 

import org.openide.explorer.propertysheet.ExPropertyEditor; //导入依赖的package包/类
void checkPropertyEnv() {
    if (env != null && delegatePropertyEditor instanceof ExPropertyEditor) {
        ((ExPropertyEditor) delegatePropertyEditor).attachEnv(env);
    }
}