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/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
*
* This library 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 library 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.
*
* For further information about Alkacon Software, please see the
* company website: http://www.alkacon.com
*
* For further information about OpenCms, please see the
* project website: http://www.opencms.org
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.opencms.ui.client;
import org.opencms.gwt.client.A_CmsEntryPoint;
import org.opencms.gwt.client.CmsCoreProvider;
import org.opencms.gwt.client.util.CmsDebugLog;
import java.util.HashSet;
import java.util.Set;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.core.client.JsArrayString;
import com.google.gwt.core.client.Scheduler;
import com.google.gwt.core.client.Scheduler.ScheduledCommand;
import com.vaadin.client.ResourceLoader;
import com.vaadin.client.ResourceLoader.ResourceLoadEvent;
import com.vaadin.client.ResourceLoader.ResourceLoadListener;
import com.vaadin.client.WidgetUtil;
/**
* Entry point class for the OpenCms standard widgetset.
*/
public class CmsWidgetSetEntryPoint extends A_CmsEntryPoint {
/**
* Loads JavaScript resources into the window context.
*
* @param dependencies the dependencies to load
* @param callback the callback to execute once the resources are loaded
*/
public static void loadScriptDependencies(final JsArrayString dependencies, final JavaScriptObject callback) {
if (dependencies.length() == 0) {
return;
}
final Set absoluteUris = new HashSet();
for (int i = 0; i < dependencies.length(); i++) {
absoluteUris.add(WidgetUtil.getAbsoluteUrl(dependencies.get(i)));
}
// Listener that loads the next when one is completed
ResourceLoadListener resourceLoadListener = new ResourceLoadListener() {
@Override
public void onError(ResourceLoadEvent event) {
CmsDebugLog.consoleLog(event.getResourceUrl() + " could not be loaded.");
// The show must go on
absoluteUris.remove(event.getResourceUrl());
if (absoluteUris.isEmpty()) {
Scheduler.get().scheduleDeferred(new ScheduledCommand() {
public void execute() {
callNativeFunction(callback);
}
});
}
}
@Override
public void onLoad(ResourceLoadEvent event) {
absoluteUris.remove(event.getResourceUrl());
if (absoluteUris.isEmpty()) {
Scheduler.get().scheduleDeferred(new ScheduledCommand() {
public void execute() {
callNativeFunction(callback);
}
});
}
}
};
ResourceLoader loader = ResourceLoader.get();
for (int i = 0; i < dependencies.length(); i++) {
String preloadUrl = dependencies.get(i);
loader.loadScript(preloadUrl, resourceLoadListener);
}
}
/**
* Calls the native function.
*
* @param callback the function to call
*/
static native void callNativeFunction(JavaScriptObject callback)/*-{
callback.call();
}-*/;
/**
* @see com.google.gwt.core.client.EntryPoint#onModuleLoad()
*/
@Override
public void onModuleLoad() {
super.onModuleLoad();
exportUtitlityFunctions();
try {
String tinyMCE = CmsCoreProvider.get().getTinymce().getLink();
if (tinyMCE == null) {
CmsDebugLog.consoleLog("tinyMCE link is null");
} else {
ResourceLoader.get().loadScript(tinyMCE, new ResourceLoadListener() {
public void onError(ResourceLoadEvent event) {
CmsDebugLog.consoleLog("error loading TinyMCE");
}
public void onLoad(ResourceLoadEvent event) {
// ignore
}
});
}
} catch (Exception e) {
//
}
}
/**
* Exports utility methods to the window context.
*/
private native void exportUtitlityFunctions()/*-{
$wnd.cmsLoadScripts = function(scriptURIs, callback) {
@org.opencms.ui.client.CmsWidgetSetEntryPoint::loadScriptDependencies(Lcom/google/gwt/core/client/JsArrayString;Lcom/google/gwt/core/client/JavaScriptObject;)(scriptURIs, callback);
}
$wnd.cmsSafeLoadCSS = function(cssURIs, callback) {
@org.opencms.gwt.client.util.CmsDomUtil::safeLoadStylesheets([Ljava/lang/String;Lcom/google/gwt/core/client/JavaScriptObject;)(cssURIs, callback);
}
$wnd.cmsLoadCSS = function(cssURIs) {
for (i = 0; i < cssURIs.length; i++) {
@org.opencms.gwt.client.util.CmsDomUtil::ensureStyleSheetIncluded(Ljava/lang/String;)(cssURIs[i]);
}
}
}-*/;
}