package er.modern.directtoweb.components.buttons;
import org.apache.log4j.Logger;
import com.webobjects.appserver.WOComponent;
import com.webobjects.appserver.WOContext;
import com.webobjects.directtoweb.D2W;
import com.webobjects.directtoweb.EditPageInterface;
import com.webobjects.directtoweb.SelectPageInterface;
import com.webobjects.eocontrol.EOEditingContext;
import com.webobjects.eocontrol.EOEnterpriseObject;
import er.extensions.eof.ERXEC;
import er.extensions.eof.ERXEOControlUtilities;
import er.extensions.eof.ERXGuardedObjectInterface;
import er.extensions.foundation.ERXValueUtilities;
/**
* Edit button for repetitions
*
* @binding object
*
* @d2wKey isEntityEditable
* @d2wKey editConfigurationName
* @d2wKey classForEditObjButton
* @d2wKey editButtonLabel
*
* @author davidleber
*/
public class ERMDEditButton extends ERMDActionButton {
private static final Logger log = Logger.getLogger(ERMDEditButton.class);
public interface Keys extends ERMDActionButton.Keys {
public static final String editButtonLabel = "editButtonLabel";
public static final String classForEditObjButton = "classForEditObjButton";
public static final String editConfigurationName = "editConfigurationName";
}
public ERMDEditButton(WOContext context) {
super(context);
}
/**
* Label for the edit button
* <p>
* Defaults to "Edit"
*/
public String buttonLabel() {
if (_buttonLabel == null) {
_buttonLabel = stringValueForBinding(Keys.editButtonLabel, "Edit");
}
return _buttonLabel;
}
/**
* CSS class for the edit button.
* <p>
* Defaults to "Button ObjButton EditObjButton"
*/
public String buttonClass() {
if (_buttonClass == null) {
_buttonClass = stringValueForBinding(Keys.classForEditObjButton, "Button ObjButton EditObjButton");
}
return _buttonClass;
}
/**
* Action performed by the edit button
*/
public WOComponent editObjectAction() {
WOComponent result = null;
if (shouldAllowInlineEditing()) {
EOEditingContext ec = ERXEC.newEditingContext(object().editingContext());
EOEnterpriseObject localObj = ERXEOControlUtilities.localInstanceOfObject(ec, object());
SelectPageInterface parent = parentSelectPage();
if(parent != null) {
d2wContext().takeValueForKey("edit", Keys.inlineTask);
parent.setSelectedObject(localObj);
} else {
throw new IllegalStateException("This page is not an instance of SelectPageInterface. I can't select here.");
}
} else {
result = editObjectInPageAction();
}
return result;
}
/**
* Determines whether the entity is editable
*/
public boolean isEditable() {
boolean result = ERXValueUtilities.booleanValue(d2wContext().valueForKey(Keys.isEntityEditable));
Object o = object();
if (o instanceof ERXGuardedObjectInterface) {
result = result && ((ERXGuardedObjectInterface)o).canUpdate();
}
return result;
}
/**
* Action performed by edit button if in-line editing is disabled
*/
public WOComponent editObjectInPageAction() {
EOEnterpriseObject localObject = localInstanceOfObject();
String configuration = (String)valueForBinding(Keys.editConfigurationName);
if(log.isDebugEnabled()){
log.debug("configuration = "+configuration);
}
EditPageInterface epi = (EditPageInterface)D2W.factory().pageForConfigurationNamed(configuration, session());
epi.setObject(localObject);
epi.setNextPage(context().page());
localObject.editingContext().hasChanges(); // Ensuring it survives.
return (WOComponent)epi;
}
}