/**
* Copyright (C) 2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.applicationregistry.webui.component;
import java.io.Serializable;
import java.io.UnsupportedEncodingException;
import java.util.Calendar;
import org.apache.shindig.common.uri.Uri;
import org.apache.shindig.gadgets.spec.GadgetSpec;
import org.exoplatform.application.gadget.Gadget;
import org.exoplatform.application.gadget.GadgetRegistryService;
import org.exoplatform.application.gadget.Source;
import org.exoplatform.application.gadget.SourceStorage;
import org.exoplatform.commons.serialization.api.annotations.Serialized;
import org.exoplatform.portal.webui.application.GadgetUtil;
import org.exoplatform.web.application.ApplicationMessage;
import org.exoplatform.webui.application.WebuiRequestContext;
import org.exoplatform.webui.config.InitParams;
import org.exoplatform.webui.config.Param;
import org.exoplatform.webui.config.annotation.ComponentConfig;
import org.exoplatform.webui.config.annotation.EventConfig;
import org.exoplatform.webui.config.annotation.ParamConfig;
import org.exoplatform.webui.core.UIApplication;
import org.exoplatform.webui.core.lifecycle.UIFormLifecycle;
import org.exoplatform.webui.event.Event;
import org.exoplatform.webui.event.Event.Phase;
import org.exoplatform.webui.event.EventListener;
import org.exoplatform.webui.exception.MessageException;
import org.exoplatform.webui.form.UIForm;
import org.exoplatform.webui.form.UIFormInput;
import org.exoplatform.webui.form.UIFormStringInput;
import org.exoplatform.webui.form.UIFormTextAreaInput;
import org.exoplatform.webui.form.validator.ExpressionValidator;
import org.exoplatform.webui.form.validator.MandatoryValidator;
import org.exoplatform.webui.form.validator.ResourceValidator;
import org.exoplatform.webui.form.validator.StringLengthValidator;
import org.exoplatform.webui.form.validator.Validator;
/**
* Created by The eXo Platform SAS Author : Pham Thanh Tung thanhtungty@gmail.com Jul 29, 2008
*/
@ComponentConfig(lifecycle = UIFormLifecycle.class, template = "system:/groovy/webui/form/UIForm.gtmpl", initParams = @ParamConfig(name = "SampleGadget", value = "app:/WEB-INF/conf/uiconf/applicationregistry/component/SampleGadget.groovy"), events = {
@EventConfig(listeners = UIGadgetEditor.SaveActionListener.class),
@EventConfig(listeners = UIGadgetEditor.CancelActionListener.class, phase = Phase.DECODE) })
@Serialized
public class UIGadgetEditor extends UIForm {
public static final String FIELD_SOURCE = "source";
public static final String FIELD_NAME = "name";
private Source source_;
private String fullName_;
private String dirPath;
public UIGadgetEditor(InitParams initParams) throws Exception {
Param param = initParams.getParam("SampleGadget");
WebuiRequestContext context = WebuiRequestContext.getCurrentInstance();
String sample = (String) param.getMapGroovyObject(context);
addUIFormInput(new UIFormStringInput(FIELD_NAME, FIELD_NAME, null).addValidator(MandatoryValidator.class)
.addValidator(StringLengthValidator.class, 2, 50).addValidator(ResourceValidator.class)
.addValidator(ExpressionValidator.class, "^[\\p{L}][\\p{L}._\\-\\d]+$", "UIGadgetEditor.msg.Invalid"));
addUIFormInput(new UIFormTextAreaInput(FIELD_SOURCE, FIELD_SOURCE, sample).addValidator(MandatoryValidator.class)
.addValidator(GadgetSpecValidator.class));
}
public Source getSource() {
return source_;
}
public void setSource(Source source) throws Exception {
source_ = source;
fullName_ = source_.getName();
UIFormTextAreaInput uiInputSource = getUIFormTextAreaInput(FIELD_SOURCE);
uiInputSource.setValue(source_.getTextContent());
}
public void setGadgetName(String name) {
UIFormStringInput uiInputName = getUIStringInput(FIELD_NAME);
uiInputName.setValue(name);
}
public String getSourceFullName() {
return fullName_;
}
public String getSourceName() {
return (fullName_ != null) ? extractName(fullName_) : null;
}
public void processRender(WebuiRequestContext context) throws Exception {
UIFormTextAreaInput uiInputSource = getUIFormTextAreaInput(FIELD_SOURCE);
UIFormStringInput uiInputName = getUIStringInput(FIELD_NAME);
uiInputSource.setValue(uiInputSource.getValue());
if (this.isEdit()) {
uiInputName.setReadOnly(true);
}
super.processRender(context);
}
private String extractName(String fullName) {
int idx = fullName.indexOf('.');
return (idx > 0) ? fullName.substring(0, idx) : fullName;
}
public void setDirPath(String dirPath) {
this.dirPath = dirPath;
}
public String getDirPath() {
return dirPath;
}
public static class SaveActionListener extends EventListener<UIGadgetEditor> {
public void execute(Event<UIGadgetEditor> event) throws Exception {
UIGadgetEditor uiForm = event.getSource();
UIGadgetManagement uiManagement = uiForm.getParent();
String gadgetName;
String text = uiForm.getUIFormTextAreaInput(UIGadgetEditor.FIELD_SOURCE).getValue();
GadgetRegistryService service = uiForm.getApplicationComponent(GadgetRegistryService.class);
SourceStorage sourceStorage = uiForm.getApplicationComponent(SourceStorage.class);
boolean isEdit = uiForm.isEdit();
if (isEdit) {
gadgetName = uiForm.getSourceFullName();
} else {
gadgetName = uiForm.getUIStringInput(UIGadgetEditor.FIELD_NAME).getValue();
}
//
Gadget gadget = service.getGadget(gadgetName);
if (isEdit) {
if (gadget == null) {
UIApplication uiApp = event.getRequestContext().getUIApplication();
uiApp.addMessage(new ApplicationMessage("gadget.msg.changeNotExist", null, ApplicationMessage.WARNING));
uiManagement.reload();
return;
}
} else {
// If gadget is null we need to create it first
if (gadget == null) {
gadget = new Gadget();
gadget.setName(gadgetName);
// Those data will be taken from the gadget XML anyway
gadget.setDescription("");
gadget.setThumbnail("");
gadget.setLocal(true);
gadget.setTitle("");
gadget.setReferenceUrl("");
// Save gadget with empty data first
service.saveGadget(gadget);
} else {
UIApplication uiApp = event.getRequestContext().getUIApplication();
uiApp.addMessage(new ApplicationMessage("UIGadgetEditor.gadget.msg.gadgetIsExist", null,
ApplicationMessage.WARNING));
return;
}
}
//
Source source = new Source(gadgetName, "application/xml");
source.setTextContent(text);
source.setLastModified(Calendar.getInstance());
try {
sourceStorage.saveSource(gadget, source);
uiManagement.removeChild(UIGadgetEditor.class);
// This will update the source and also update the gadget related
// cached meta data
// from the source
uiManagement.setSelectedGadget(gadget.getName());
event.getRequestContext().addUIComponentToUpdateByAjax(uiManagement);
// Send request to invalidate the cache to Shindig
String gadgetServerUrl = GadgetUtil.getGadgetServerUrl();
String gadgetUrl = GadgetUtil.reproduceUrl(gadget.getUrl(), gadget.isLocal());
String metadataUrl = gadgetServerUrl + (gadgetServerUrl.endsWith("/") ? "" : "/") + "metadata";
String queryString = "{\"context\":{\"ignoreCache\":\"true\"},\"gadgets\":[" + "{\"url\":\"" + gadgetUrl
+ "\"}]}";
event.getRequestContext().getJavascriptManager().require("SHARED/base")
.addScripts("ajaxRequest('POST', '" + metadataUrl + "', true, '" + queryString + "');");
} catch (UnsupportedEncodingException e) {
UIApplication uiApp = event.getRequestContext().getUIApplication();
uiApp.addMessage(new ApplicationMessage("UIGadgetEditor.msg.unsupportedEncoding",
new Object[] { e.getMessage() }, ApplicationMessage.ERROR));
return;
}
}
}
private boolean isEdit() {
return (this.getSource() != null);
}
public static class CancelActionListener extends EventListener<UIGadgetEditor> {
public void execute(Event<UIGadgetEditor> event) throws Exception {
UIGadgetEditor uiForm = event.getSource();
UIGadgetManagement uiManagement = uiForm.getParent();
Gadget selectedGadget = uiManagement.getSelectedGadget();
if (selectedGadget != null) {
uiManagement.setSelectedGadget(selectedGadget.getName());
} else
uiManagement.reload();
event.getRequestContext().addUIComponentToUpdateByAjax(uiManagement);
}
}
public static class GadgetSpecValidator implements Validator, Serializable {
public void validate(UIFormInput uiInput) throws Exception {
try {
new GadgetSpec(Uri.parse("http://exoplatform.org"), (String) uiInput.getValue());
} catch (Exception se) {
throw new MessageException(new ApplicationMessage("UIGadgetEditor.msg.invalidSpec", null,
ApplicationMessage.WARNING));
}
}
}
}