/**
* This file is part of Jahia, next-generation open source CMS:
* Jahia's next-generation, open source CMS stems from a widely acknowledged vision
* of enterprise application convergence - web, search, document, social and portal -
* unified by the simplicity of web content management.
*
* For more information, please visit http://www.jahia.com.
*
* Copyright (C) 2002-2011 Jahia Solutions Group SA. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* As a special exception to the terms and conditions of version 2.0 of
* the GPL (or any later version), you may redistribute this Program in connection
* with Free/Libre and Open Source Software ("FLOSS") applications as described
* in Jahia's FLOSS exception. You should have received a copy of the text
* describing the FLOSS exception, and it is also available here:
* http://www.jahia.com/license
*
* Commercial and Supported Versions of the program (dual licensing):
* alternatively, commercial and supported versions of the program may be used
* in accordance with the terms and conditions contained in a separate
* written agreement between you and Jahia Solutions Group SA.
*
* If you are unsure which license is appropriate for your use,
* please contact the sales department at sales@jahia.com.
*/
package org.jahia.ajax.gwt.client.widget.content.compare;
import com.allen_sauer.gwt.log.client.Log;
import com.extjs.gxt.ui.client.event.*;
import com.extjs.gxt.ui.client.widget.ContentPanel;
import com.extjs.gxt.ui.client.widget.Label;
import com.extjs.gxt.ui.client.widget.button.Button;
import com.extjs.gxt.ui.client.widget.button.ToggleButton;
import com.extjs.gxt.ui.client.widget.toolbar.ToolBar;
import com.google.gwt.dom.client.BodyElement;
import com.google.gwt.dom.client.Document;
import com.google.gwt.dom.client.IFrameElement;
import com.google.gwt.user.client.ui.Frame;
import org.jahia.ajax.gwt.client.core.BaseAsyncCallback;
import org.jahia.ajax.gwt.client.data.node.GWTJahiaNode;
import org.jahia.ajax.gwt.client.data.toolbar.GWTJahiaToolbarItem;
import org.jahia.ajax.gwt.client.messages.Messages;
import org.jahia.ajax.gwt.client.service.content.JahiaContentManagementService;
import org.jahia.ajax.gwt.client.service.content.JahiaContentManagementServiceAsync;
import org.jahia.ajax.gwt.client.util.Constants;
import org.jahia.ajax.gwt.client.util.icons.StandardIconsProvider;
import org.jahia.ajax.gwt.client.widget.Linker;
import org.jahia.ajax.gwt.client.widget.form.CalendarField;
import org.jahia.ajax.gwt.client.widget.toolbar.action.PublishActionItem;
import org.jahia.ajax.gwt.client.widget.toolbar.action.PublishAllActionItem;
import java.util.Date;
/**
*
* User: ktlili
* Date: Mar 2, 2010
* Time: 9:32:54 AM
*/
public class VersionViewer extends ContentPanel {
private Linker linker = null;
private String locale;
private static JahiaContentManagementServiceAsync contentService = JahiaContentManagementService.App.getInstance();
private final String uuid;
private String workspace = "default";
private Frame currentFrame;
private CalendarField versionComboBox;
// private Slider slider;
private boolean addButtons;
private Button restoreButton;
private boolean displayHighLigthButton;
private final CompareEngine compareEngine;
private String versionLabel = null;
private Date[] previousValue;
private Date versionDate = null;
/**
* Constructor
*
* @param node
* @param linker
* @param addButtons
*/
public VersionViewer(GWTJahiaNode node, String locale, Linker linker, String workspace, boolean addButtons,
boolean displayVersionSelector, CompareEngine compareEngine) {
super();
this.linker = linker;
this.workspace = workspace;
this.locale = locale;
this.addButtons = addButtons;
this.displayHighLigthButton = addButtons;
this.compareEngine = compareEngine;
this.uuid = node.getUUID();
init(displayVersionSelector);
}
public VersionViewer(String uuid, String locale, String workspace, boolean displayHighLigthButton,
boolean displayVersionSelector, Date versionDate, CompareEngine compareEngine, String versionLabel) {
super();
this.uuid = uuid;
this.workspace = workspace;
this.locale = locale;
this.displayHighLigthButton = displayHighLigthButton;
this.versionDate = versionDate;
this.compareEngine = compareEngine;
this.versionLabel = versionLabel;
init(displayVersionSelector);
}
/**
* init component
*
* @param displayVersionSelector
*/
private void init(final boolean displayVersionSelector) {
final Label[] label = {null};
if ("live".equals(workspace)) {
label[0] = new Label(Messages.get("label_live_version ", "Live version "));
} else {
label[0] = new Label(Messages.get("label_staging_version ", "Staging version "));
}
// combo box that allows to select the version
if (displayVersionSelector) {
Date startDate = new Date();
previousValue = new Date[]{startDate};
versionComboBox = new CalendarField(startDate);
versionComboBox.setWidth(150);
versionComboBox.addListener(Events.Change, new Listener<FieldEvent>() {
public void handleEvent(FieldEvent be) {
if (!be.getField().getValue().equals(previousValue[0])) {
previousValue[0] = (Date) be.getField().getValue();
refresh();
}
}
});
} else {
previousValue = new Date[]{versionDate};
}
if(versionDate!=null) {
restoreButton = new Button(Messages.get("label.restore", "Restore"));
restoreButton.setEnabled(false);
restoreButton.addSelectionListener(new SelectionListener<ButtonEvent>() {
@Override
public void componentSelected(ButtonEvent ce) {
mask(Messages.get("label.restoring", "Restoring") + "...", "x-mask-loading");
contentService.restoreNodeByIdentifierAndDate(uuid, versionDate, versionLabel!=null && !versionLabel.contains("live")?versionLabel:null, false,
new BaseAsyncCallback<Void>() {
public void onSuccess(Void result) {
unmask();
compareEngine.setRefreshOpener(true);
}
});
}
});
}
final Button refresh = new Button();
refresh.setIcon(StandardIconsProvider.STANDARD_ICONS.refresh());
refresh.addSelectionListener(new SelectionListener<ButtonEvent>() {
@Override
public void componentSelected(ButtonEvent componentEvent) {
refresh();
}
});
final ToggleButton hButton = new ToggleButton("Highligthing");
hButton.addSelectionListener(new SelectionListener<ButtonEvent>() {
@Override
public void componentSelected(ButtonEvent componentEvent) {
if (hButton.isPressed()) {
displayHighLigth();
} else {
refresh();
}
}
});
// case of preview or edit: no version
if (addButtons && !workspace.equals("live")) {
// add in the toolbar
ToolBar headerToolBar = new ToolBar();
headerToolBar.add(label[0]);
if (displayVersionSelector) {
headerToolBar.add(versionComboBox);
}
headerToolBar.add(refresh);
headerToolBar.add(hButton);
if (displayVersionSelector) {
headerToolBar.add(restoreButton);
}
GWTJahiaToolbarItem gwtJahiaToolbarItem = new GWTJahiaToolbarItem();
PublishActionItem actionItem = new PublishActionItem();
gwtJahiaToolbarItem.setActionItem(actionItem);
gwtJahiaToolbarItem.setTitle(Messages.get("label.publish"));
gwtJahiaToolbarItem.setLayout(Constants.LAYOUT_BUTTON_LABEL);
gwtJahiaToolbarItem.setDisplayTitle(true);
gwtJahiaToolbarItem.setIcon("publish");
actionItem.init(gwtJahiaToolbarItem, linker);
actionItem.handleNewLinkerSelection();
headerToolBar.add(actionItem.getTextToolItem());
gwtJahiaToolbarItem = new GWTJahiaToolbarItem();
actionItem = new PublishAllActionItem();
gwtJahiaToolbarItem.setActionItem(actionItem);
gwtJahiaToolbarItem.setTitle(Messages.get("label.publishall"));
gwtJahiaToolbarItem.setLayout(Constants.LAYOUT_BUTTON_LABEL);
gwtJahiaToolbarItem.setDisplayTitle(true);
gwtJahiaToolbarItem.setIcon("publishAll");
actionItem.init(gwtJahiaToolbarItem, linker);
actionItem.handleNewLinkerSelection();
headerToolBar.add(actionItem.getTextToolItem());
setTopComponent(headerToolBar);
} else {
// case of th live mode
ToolBar headerToolBar = new ToolBar();
headerToolBar.add(label[0]);
if (displayVersionSelector) {
headerToolBar.add(versionComboBox);
}
headerToolBar.add(refresh);
if (displayHighLigthButton) {
headerToolBar.add(hButton);
}
if (versionDate!=null) {
headerToolBar.add(restoreButton);
}
setTopComponent(headerToolBar);
}
load();
}
/**
* refresh
*/
private void refresh() {
load();
}
/**
* Render widget
*/
private void load() {
if (uuid != null) {
mask(Messages.get("label.loading", "Loading") + "...", "x-mask-loading");
// version is not specified. Current.
contentService.getNodeURLByIdentifier(null, uuid, previousValue[0], null, workspace, locale,
new BaseAsyncCallback<String>() {
public void onSuccess(String url) {
currentFrame = setUrl(url);
setHeading(url);
unmask();
if(restoreButton!=null)
restoreButton.setEnabled(true);
}
public void onApplicationFailure(Throwable throwable) {
Log.error("", throwable);
unmask();
}
});
}
}
/**
* Get html
*
* @return
*/
public String getInnerHTML() {
IFrameElement frameElement = IFrameElement.as(currentFrame.getElement());
Document document = frameElement.getContentDocument();
BodyElement ele = document.getBody();
if (ele != null) {
return ele.getInnerHTML();
}
// it may happens if the iframe is not yet loaded
return null;
}
/**
* Compare version
*/
public void displayHighLigth() {
contentService.getHighlighted(getInnerHTML(), getCompareWith(), new BaseAsyncCallback<String>() {
public void onSuccess(String s) {
IFrameElement frameElement = IFrameElement.as(currentFrame.getElement());
Document document = frameElement.getContentDocument();
BodyElement ele = document.getBody();
if (ele != null) {
ele.setInnerHTML(s);
}
}
public void onApplicationFailure(Throwable throwable) {
Log.error("Error when triing to display higthligthing", throwable);
}
});
}
/**
* Override this method to compare with another html
*
* @return
*/
public String getCompareWith() {
return getInnerHTML();
}
}