/**
* Create the HC node to represent the help icon. This method is only called, if help is available
* for this page. The created code looks like this by default:<br>
* <code>
* <a href="<i>helpURL</i>" title="Show help for page <i>pageName</i>" target="simplehelpwindow"><br>
* <span class="page_help_icon"></span><br>
* </a></code>
*
* @param aWPEC The web page execution context
* @return The created help icon node. May be <code>null</code>.
*/
@Nullable
@OverrideOnDemand
protected IHCNode getHelpIconNode(@Nonnull final WPECTYPE aWPEC) {
final IRequestWebScopeWithoutResponse aRequestScope = aWPEC.getRequestScope();
final Locale aDisplayLocale = aWPEC.getDisplayLocale();
final HCA aHelpNode = new HCA(getHelpURL(aRequestScope, aDisplayLocale));
final String sPageName = getDisplayText(aDisplayLocale);
aHelpNode.setTitle(
EWebBasicsText.PAGE_HELP_TITLE.getDisplayTextWithArgs(aDisplayLocale, sPageName));
aHelpNode.addChild(new HCSpan().addClass(CSS_PAGE_HELP_ICON));
aHelpNode.setTarget(new HCA_Target(HELP_WINDOW_NAME));
return aHelpNode;
}
/**
* Create toolbar for editing an existing object
*
* @param aWPEC The web page execution context. Never <code>null</code>.
* @param aForm The handled form. Never <code>null</code>.
* @param aSelectedObject The selected object. Never <code>null</code>.
* @return Never <code>null</code>.
*/
@Nonnull
@OverrideOnDemand
protected IButtonToolbar<?> createEditToolbar(
@Nonnull final WPECTYPE aWPEC,
@Nonnull final HCForm aForm,
@Nonnull final DATATYPE aSelectedObject) {
final IButtonToolbar<?> aToolbar = createNewEditToolbar(aWPEC);
aToolbar.addHiddenField(CHCParam.PARAM_ACTION, ACTION_EDIT);
aToolbar.addHiddenField(CHCParam.PARAM_OBJECT, aSelectedObject.getID());
aToolbar.addHiddenField(CHCParam.PARAM_SUBACTION, ACTION_SAVE);
// Save button
aToolbar.addSubmitButtonSave(aWPEC.getDisplayLocale());
// Cancel button
aToolbar.addButtonCancel(aWPEC.getDisplayLocale());
modifyEditToolbar(aWPEC, aSelectedObject, aToolbar);
return aToolbar;
}
/**
* Create toolbar for viewing an existing object. Contains the back button and the edit button.
*
* @param aWPEC The display locale to use
* @param bCanGoBack true to enable back button
* @param bCanEdit true to enable edit button
* @param aSelectedObject The selected object
* @return Never <code>null</code>.
*/
@Nonnull
@OverrideOnDemand
protected IButtonToolbar<?> createViewToolbar(
@Nonnull final WPECTYPE aWPEC,
final boolean bCanGoBack,
final boolean bCanEdit,
@Nonnull final DATATYPE aSelectedObject) {
final IButtonToolbar<?> aToolbar = createNewViewToolbar(aWPEC);
if (bCanGoBack) {
// Back to list
aToolbar.addButtonBack(aWPEC.getDisplayLocale());
}
if (bCanEdit) {
// Edit object
aToolbar.addButtonEdit(aWPEC.getDisplayLocale(), createEditURL(aWPEC, aSelectedObject));
}
modifyViewToolbar(aWPEC, aSelectedObject, aToolbar);
return aToolbar;
}
protected final void handleViewObject(
@Nonnull final WPECTYPE aWPEC,
@Nonnull final DATATYPE aSelectedObject,
final boolean bIsEditAllowed) {
// Valid object found - show details
showSelectedObject(aWPEC, aSelectedObject);
if (showViewToolbar(aWPEC, aSelectedObject)) {
// Toolbar on bottom
aWPEC.getNodeList().addChild(createViewToolbar(aWPEC, true, bIsEditAllowed, aSelectedObject));
}
}
/**
* Get the ID of the selected object from the passed execution context.
*
* @param aWPEC The current web page execution context. Never <code>null</code>.
* @return <code>null</code> if no selected object is present.
*/
@Nullable
protected final String getSelectedObjectID(@Nonnull final WPECTYPE aWPEC) {
return aWPEC.getAttributeAsString(CHCParam.PARAM_OBJECT);
}
@Override
protected final void fillContent(@Nonnull final WPECTYPE aWPEC) {
final HCNodeList aNodeList = aWPEC.getNodeList();
// Get the selected object
final DATATYPE aSelectedObject = getSelectedObject(aWPEC, getSelectedObjectID(aWPEC));
final boolean bIsEditAllowed = isEditAllowed(aWPEC, aSelectedObject);
boolean bShowList = true;
final String sAction = aWPEC.getAction();
EWebPageFormAction eFormAction = null;
if (ACTION_VIEW.equals(sAction) && aSelectedObject != null)
eFormAction = EWebPageFormAction.VIEW;
else if (ACTION_CREATE.equals(sAction)) eFormAction = EWebPageFormAction.CREATE;
else if (ACTION_EDIT.equals(sAction) && bIsEditAllowed && aSelectedObject != null)
eFormAction = EWebPageFormAction.EDIT;
else if (ACTION_COPY.equals(sAction) && aSelectedObject != null)
eFormAction = EWebPageFormAction.COPY;
else if (ACTION_DELETE.equals(sAction) && aSelectedObject != null)
eFormAction = EWebPageFormAction.DELETE;
else if (ACTION_UNDELETE.equals(sAction) && aSelectedObject != null)
eFormAction = EWebPageFormAction.UNDELETE;
// Try to lock object
if (beforeProcessing(aWPEC, aSelectedObject, eFormAction).isContinue()) {
if (eFormAction == EWebPageFormAction.VIEW) {
// Valid object found - show details
handleViewObject(aWPEC, aSelectedObject, bIsEditAllowed);
bShowList = false;
} else {
if (eFormAction == EWebPageFormAction.CREATE
|| eFormAction == EWebPageFormAction.EDIT
|| eFormAction == EWebPageFormAction.COPY) {
final boolean bIsEdit = eFormAction == EWebPageFormAction.EDIT;
final boolean bIsCopy = eFormAction == EWebPageFormAction.COPY;
// Create or edit a client
final FormErrors aFormErrors = new FormErrors();
boolean bShowInputForm = true;
if (aWPEC.hasSubAction(CHCParam.ACTION_SAVE)) {
// try to save
validateAndSaveInputParameters(aWPEC, aSelectedObject, aFormErrors, bIsEdit);
if (aFormErrors.isEmpty()) {
// Save successful
bShowInputForm = false;
// Remove an optionally stored state
FormStateManager.getInstance()
.deleteFormState(aWPEC.getAttributeAsString(FIELD_FLOW_ID));
} else {
// Show: changes could not be saved...
aNodeList.addChild(getStyler().createIncorrectInputBox(aWPEC));
}
}
if (bShowInputForm) {
// Show the input form. Either for the first time or because of form
// errors a n-th time
bShowList = false;
final HCForm aForm =
isFileUploadForm(aWPEC) ? createFormFileUploadSelf(aWPEC) : createFormSelf(aWPEC);
aForm.setID(INPUT_FORM_ID);
aNodeList.addChild(aForm);
// The unique form ID, that allows to identify on "transaction"
// -> Used only for "form state remembering"
aForm.addChild(
new HCHiddenField(
new RequestField(FIELD_FLOW_ID, GlobalIDFactory.getNewStringID())));
modifyFormBeforeShowInputForm(aWPEC, aForm);
// Is there as saved state to use?
final String sRestoreFlowID = aWPEC.getAttributeAsString(FIELD_RESTORE_FLOW_ID);
if (sRestoreFlowID != null) {
final FormState aSavedState =
FormStateManager.getInstance().getFormStateOfID(sRestoreFlowID);
if (aSavedState != null) {
// Restore all form values
aForm.addChild(
new HCScriptOnDocumentReady(
JSFormHelper.setAllFormValues(
INPUT_FORM_ID, aSavedState.getAsAssocArray())));
}
}
// Show the main input form
showInputForm(aWPEC, aSelectedObject, aForm, bIsEdit, bIsCopy, aFormErrors);
// Toolbar on bottom
if (bIsEdit) {
if (showEditToolbar(aWPEC, aSelectedObject))
aForm.addChild(createEditToolbar(aWPEC, aForm, aSelectedObject));
} else {
if (showCreateToolbar(aWPEC, aSelectedObject))
aForm.addChild(createCreateToolbar(aWPEC, aForm, aSelectedObject));
}
}
} else if (eFormAction == EWebPageFormAction.DELETE) {
bShowList = handleDeleteAction(aWPEC, aSelectedObject);
} else if (eFormAction == EWebPageFormAction.UNDELETE) {
bShowList = handleUndeleteAction(aWPEC, aSelectedObject);
} else {
// Other proprietary actions
bShowList = handleCustomActions(aWPEC, aSelectedObject);
}
}
}
if (bShowList) {
showListOfExistingObjects(aWPEC);
}
// Call after everything
afterProcessing(aWPEC, aSelectedObject, eFormAction);
}
/**
* Overridable method to attach the help node to the page. This is called as the last action.
*
* @param aWPEC The web page execution context. Never <code>null</code>.
* @param aHelpNode The help node to be inserted. Never <code>null</code>.
*/
@OverrideOnDemand
protected void insertHelpNode(@Nonnull final WPECTYPE aWPEC, @Nonnull final IHCNode aHelpNode) {
// Add the help icon as the first child of the resulting node list
aWPEC.getNodeList().addChild(0, aHelpNode);
}
@Nullable
@OverrideOnDemand
public String getHeaderText(@Nonnull final WPECTYPE aWPEC) {
return getDisplayText(aWPEC.getDisplayLocale());
}