package er.modern.directtoweb.components.buttons;
import org.apache.log4j.Logger;
import com.webobjects.appserver.WOActionResults;
import com.webobjects.appserver.WOContext;
import com.webobjects.eoaccess.EOEntity;
import com.webobjects.eoaccess.EORelationship;
import com.webobjects.eocontrol.EODataSource;
import com.webobjects.eocontrol.EODetailDataSource;
import com.webobjects.eocontrol.EOEnterpriseObject;
import er.extensions.eof.ERXEOAccessUtilities;
import er.extensions.foundation.ERXValueUtilities;
/**
* Remove related item button for repetitions
*
* @binding object
* @binding displayGroup
* @binding dataSource
*
* @d2wKey removeButtonLabel
* @d2wKey cancelButtonLabel
* @d2wKey deleteButtonLabel
* @d2wKey classForRemoveObjButton
* @d2wKey classForDisabledRemoveObjButton
* @d2wKey confirmDeleteConfigurationName
* @d2wKey confirmDeleteOrRemoveRelatedMessage
* @d2wKey confirmRemoveRelatedMessage
* @d2wKey confirmDeleteRelatedMessage
* @d2wKey classForRemoveDialogButton
*
* @author davidleber
*
*/
public class ERMDRemoveRelatedButton extends ERMDDeleteButton {
@SuppressWarnings("unused")
private static final Logger log = Logger.getLogger(ERMDRemoveRelatedButton.class);
public interface Keys extends ERMDActionButton.Keys {
public static final String removeButtonLabel = "removeButtonLabel";
public static final String cancelButtonLabel = "cancelButtonLabel";
public static final String deleteButtonLabel = "deleteButtonLabel";
public static final String classForRemoveObjButton = "classForRemoveObjButton";
public static final String classForDisabledRemoveObjButton = "classForDisabledRemoveObjButton";
public static final String confirmDeleteConfigurationName = "confirmDeleteConfigurationName";
public static final String confirmDeleteOrRemoveRelatedMessage = "confirmDeleteOrRemoveRelatedMessage";
public static final String confirmRemoveRelatedMessage = "confirmRemoveRelatedMessage";
public static final String confirmDeleteRelatedMessage = "confirmDeleteRelatedMessage";
public static final String classForRemoveDialogButton = "classForRemoveDialogButton";
}
private Boolean _showDeleteButton;
private Boolean _showRemoveButton;
private String _deleteButtonLabel;
private String _removeButtonClass;
private String _removeButtonLabel;
public ERMDRemoveRelatedButton(WOContext context) {
super(context);
}
/**
* Delete action for component button
*
* Calls through to deleteObjectWithFinalCommit(false). Since this component is expected
* to be used in an edit form, the final commit will be handled buy the user save.
*
*/
@Override
public WOActionResults deleteAction() {
return deleteObjectWithFinalCommit(false);
}
/**
* Removes the current object from the relationship
*/
public WOActionResults removeAction() {
WOActionResults result = null;
dataSource().deleteObject(object());
postDeleteNotification();
return result;
}
// LABELS
/**
* Label for the Remove button
* <p>
* Defaults to "Remove"
*/
@Override
public String buttonLabel() {
if (_buttonLabel == null) {
_buttonLabel = stringValueForBinding(Keys.removeButtonLabel, "Remove");
}
return _buttonLabel;
}
/**
* CSS class for the Remove button.
*/
@Override
public String buttonClass() {
String result = null;
if ( hasAnyAction() && !showDialog() ) {
result = activeButtonClass();
} else {
result = disabledButtonClass();
}
return result;
}
/**
* CSS class for an active Remove button
* <p>
* Defaults to "Button ObjButton DeleteObjButton"
*
*/
@Override
public String activeButtonClass() {
if (_buttonClass == null) {
_buttonClass = stringValueForBinding(Keys.classForRemoveObjButton, "Button ObjButton DeleteObjButton");
}
return _buttonClass;
}
/**
* Css class for a disabled Remove button
* <p>
* Defaults to "Button ObjButton DisabledObjButton DisabledDeleteObjButton"
*
*/
@Override
public String disabledButtonClass() {
if (_disabledButtonClass == null) {
_disabledButtonClass = stringValueForBinding(Keys.classForDisabledRemoveObjButton, "Button ObjButton DisabledObjButton DisabledDeleteObjButton");
}
return _disabledButtonClass;
}
/**
* Label for the dialog's delete button
* <p>
* Defaults to "Delete"
*/
public String deleteButtonLabel() {
if (_deleteButtonLabel == null) {
_deleteButtonLabel = stringValueForBinding(Keys.deleteButtonLabel, "Delete");
}
return _deleteButtonLabel;
}
/**
* Label for the dialog's remove button
* <p>
* Defaults to "Remove"
*/
public String removeButtonLabel() {
if (_removeButtonLabel == null) {
_removeButtonLabel = stringValueForBinding(Keys.removeButtonLabel, "Remove");
}
return _removeButtonLabel;
}
/**
* @return the removeButtonClass
*/
public String removeButtonClass() {
if (_removeButtonClass == null) {
_removeButtonClass = stringValueForBinding(Keys.classForRemoveDialogButton, "Button DialogButton CancelDialogButton");
}
return _removeButtonClass;
}
/**
* Boolean used to hide/show the confirmation dialog's remove button.
*
* The remove button show only be displayed if the reverse relationship for the related eo is not
* mandatory and isEntityRemoveable returns true.
*/
public Boolean showRemoveButton() {
if (_showRemoveButton == null) {
boolean isRemoveable = ERXValueUtilities.booleanValueWithDefault(d2wContext().valueForKey("isEntityRemoveable"), false);
EODataSource ds = dataSource();
if (ds!= null && ds instanceof EODetailDataSource) {
EODetailDataSource dds = (EODetailDataSource)ds;
EOEnterpriseObject masterObj = (EOEnterpriseObject)dds.masterObject();
EOEntity masterEntity = ERXEOAccessUtilities.entityForEo(masterObj);
EORelationship relationship = masterEntity.relationshipNamed(dds.detailKey());
EORelationship reverseRelationship = relationship.inverseRelationship();
if(isRemoveable) {
if(reverseRelationship == null) {
_showRemoveButton = Boolean.TRUE;
} else {
_showRemoveButton = !reverseRelationship.isMandatory();
}
} else {
_showRemoveButton = Boolean.FALSE;
}
} else {
_showRemoveButton = Boolean.valueOf(isRemoveable);
}
}
return _showRemoveButton;
}
/**
* Boolean used to hide/show the confirmation dialog's delete button
*
* The delete button is only shown if isEntityDeletable returns true
*/
public Boolean showDeleteButton() {
if (_showDeleteButton == null) {
_showDeleteButton = Boolean.valueOf(canDelete() && ERXValueUtilities.booleanValue(valueForBinding("isEntityDeletable")));
}
return _showDeleteButton;
}
/**
* String to display in the in-line confirmation dialog.
*
* Obtained from the bindings or d2wContext via these keys:
*
* confirmDeleteOrRemoveRelatedMessage
* confirmRemoveRelatedMessage
* confirmDeleteRelatedMessage
*/
@Override
public String dialogMessage() {
if (_dialogMessage == null) {
Object result = null;
if ( showDeleteButton().booleanValue() && showRemoveButton().booleanValue() ) {
result = d2wContextValueForBinding(Keys.confirmDeleteOrRemoveRelatedMessage);
} else if (showRemoveButton().booleanValue()) {
result = d2wContextValueForBinding(Keys.confirmRemoveRelatedMessage);
} else if (showDeleteButton().booleanValue()) {
result = d2wContextValueForBinding(Keys.confirmDeleteRelatedMessage);
} else {
result = "No actions available for this item";
}
_dialogMessage = (String)result;
}
return _dialogMessage;
}
public boolean hasAnyAction() {
return showDeleteButton().booleanValue() || showRemoveButton().booleanValue();
}
}