/**
* Copyright 2013 CITYTECH, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.citytechinc.cq.component.dialog.factory;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javassist.CannotCompileException;
import javassist.ClassPool;
import javassist.CtClass;
import javassist.CtMember;
import javassist.NotFoundException;
import org.codehaus.plexus.util.StringUtils;
import com.citytechinc.cq.component.annotations.Component;
import com.citytechinc.cq.component.annotations.DialogField;
import com.citytechinc.cq.component.dialog.Dialog;
import com.citytechinc.cq.component.dialog.DialogElement;
import com.citytechinc.cq.component.dialog.DialogParameters;
import com.citytechinc.cq.component.dialog.TabbableDialogElement;
import com.citytechinc.cq.component.dialog.cqincludes.CQInclude;
import com.citytechinc.cq.component.dialog.cqincludes.CQIncludeParameters;
import com.citytechinc.cq.component.dialog.exception.InvalidComponentClassException;
import com.citytechinc.cq.component.dialog.exception.InvalidComponentFieldException;
import com.citytechinc.cq.component.dialog.maker.WidgetMakerParameters;
import com.citytechinc.cq.component.dialog.tab.Tab;
import com.citytechinc.cq.component.dialog.tab.TabParameters;
import com.citytechinc.cq.component.dialog.widget.WidgetRegistry;
import com.citytechinc.cq.component.dialog.widgetcollection.WidgetCollection;
import com.citytechinc.cq.component.dialog.widgetcollection.WidgetCollectionParameters;
import com.citytechinc.cq.component.maven.util.ComponentMojoUtil;
import com.citytechinc.cq.component.maven.util.LogSingleton;
public class DialogFactory {
private static final String DEFAULT_TAB_FIELD_NAME = "tab";
private DialogFactory() {
}
public static Dialog make(CtClass componentClass, WidgetRegistry widgetRegistry, ClassLoader classLoader,
ClassPool classPool) throws InvalidComponentClassException, InvalidComponentFieldException,
ClassNotFoundException, CannotCompileException, NotFoundException, SecurityException, NoSuchFieldException,
InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException,
NoSuchMethodException {
Component componentAnnotation = (Component) componentClass.getAnnotation(Component.class);
/*
* Get dialog title
*/
String dialogTitle = componentAnnotation.value();
/*
* Setup Tabs from Component tab list
*/
List<TabHolder> tabsList = new ArrayList<TabHolder>();
if (componentAnnotation.tabs().length == 0) {
TabHolder tabHolder = new TabHolder();
tabHolder.setTitle(dialogTitle);
tabsList.add(tabHolder);
} else {
for (com.citytechinc.cq.component.annotations.Tab tab : componentAnnotation.tabs()) {
if (StringUtils.isNotEmpty(tab.title()) && StringUtils.isNotEmpty(tab.path())) {
throw new InvalidComponentClassException("Tabs can have only a path or a title");
}
TabHolder tabHolder = new TabHolder();
if (StringUtils.isNotEmpty(tab.title())) {
tabHolder.setTitle(tab.title());
}
if (StringUtils.isNotEmpty(tab.path())) {
CQIncludeParameters params = new CQIncludeParameters();
params.setFieldName(DEFAULT_TAB_FIELD_NAME + tabsList.size());
params.setPath(tab.path());
CQInclude cqincludes = new CQInclude(params);
tabHolder.addElement(cqincludes);
}
tabsList.add(tabHolder);
}
}
List<CtMember> fieldsAndMethods = new ArrayList<CtMember>();
fieldsAndMethods.addAll(ComponentMojoUtil.collectFields(componentClass));
fieldsAndMethods.addAll(ComponentMojoUtil.collectMethods(componentClass));
// Load the true class
Class<?> trueComponentClass = classLoader.loadClass(componentClass.getName());
/*
* Iterate through all fields establishing proper widgets for each
*/
for (CtMember member : fieldsAndMethods) {
DialogField dialogProperty = (DialogField) member.getAnnotation(DialogField.class);
if (dialogProperty != null) {
WidgetMakerParameters parameters = new WidgetMakerParameters(dialogProperty, member,
trueComponentClass, classLoader, classPool, widgetRegistry, null, true);
DialogElement builtFieldWidget = WidgetFactory.make(parameters, -1);
builtFieldWidget.setRanking(dialogProperty.ranking());
int tabIndex = dialogProperty.tab();
if (tabIndex < 1 || tabIndex > tabsList.size()) {
throw new InvalidComponentFieldException("Invalid tab index " + tabIndex + " for field "
+ dialogProperty.fieldName());
}
tabsList.get(tabIndex - 1).addElement(builtFieldWidget);
}
}
List<DialogElement> tabList = new ArrayList<DialogElement>();
for (TabHolder tab : tabsList) {
tabList.add(buildTabForDialogElementSet(tab));
}
Integer width = null;
Integer height = null;
if (componentAnnotation.dialogWidth() > 0) {
width = componentAnnotation.dialogWidth();
}
if (componentAnnotation.dialogHeight() > 0) {
height = componentAnnotation.dialogHeight();
}
DialogParameters dialogParams = new DialogParameters();
dialogParams.setContainedElements(Dialog.buildTabPanel(tabList));
dialogParams.setTitle(dialogTitle);
dialogParams.setFileName(componentAnnotation.fileName());
dialogParams.setWidth(width);
dialogParams.setHeight(height);
return new Dialog(dialogParams);
}
private static final DialogElement buildTabForDialogElementSet(TabHolder tab) throws InvalidComponentFieldException {
/*
* Verify that, if elements contains tabbable elements, that it only
* contains one element. If the elements set contains a single tab
* element, return it as the tab.
*/
for (int i = 0; i < tab.getElements().size(); i++) {
DialogElement curElement = tab.getElements().get(i);
if (curElement instanceof TabbableDialogElement) {
LogSingleton.getInstance().debug("Tabbable widget found " + curElement.getFieldName());
TabbableDialogElement curTabbableElement = (TabbableDialogElement) curElement;
LogSingleton.getInstance().debug("Is Tab? " + curTabbableElement.isTab());
if (curTabbableElement.isTab()) {
if (i != 0 || tab.getElements().size() != 1) {
throw new InvalidComponentFieldException(
"A Tab dialog element can not be placed inside another tab.");
}
curTabbableElement.setTitle(tab.getTitle());
return curElement;
}
}
}
/*
* Construct a new Tab object containing all provided elements
*/
WidgetCollectionParameters wcp = new WidgetCollectionParameters();
wcp.setContainedElements(tab.getElements());
WidgetCollection widgetCollection = new WidgetCollection(wcp);
TabParameters tabParams = new TabParameters();
tabParams.setTitle(tab.getTitle());
tabParams.setContainedElements(Arrays.asList(new DialogElement[] { widgetCollection }));
return new Tab(tabParams);
}
}