/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* 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 Lesser General Public License for more details.
*
* Copyright 2008 - 2009 Pentaho Corporation. All rights reserved.
*
*
* Created April 21, 2009
* @author rmansoor
*/
package org.pentaho.platform.dataaccess.datasource.wizard;
import org.pentaho.metadata.model.Domain;
import org.pentaho.platform.dataaccess.datasource.wizard.jsni.WAQRTransport;
import org.pentaho.platform.dataaccess.datasource.wizard.service.IXulAsyncConnectionService;
import org.pentaho.platform.dataaccess.datasource.wizard.service.IXulAsyncDatasourceService;
import org.pentaho.platform.dataaccess.datasource.wizard.service.impl.ConnectionServiceGwtImpl;
import org.pentaho.platform.dataaccess.datasource.wizard.service.impl.DatasourceServiceGwtImpl;
import org.pentaho.ui.xul.XulServiceCallback;
import org.pentaho.ui.xul.util.DialogController.DialogListener;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.core.client.JavaScriptObject;
/**
* Creates the singleton datasource editor and sets up native JavaScript functions to show the editor.
*/
public class GwtDatasourceEditorEntryPoint implements EntryPoint {
private GwtDatasourceEditor editor;
private IXulAsyncDatasourceService datasourceService;
private IXulAsyncConnectionService connectionService;
public void onModuleLoad() {
datasourceService = new DatasourceServiceGwtImpl();
// only init the app if the user has permissions
datasourceService.hasPermission(new XulServiceCallback<Boolean>() {
public void error(String message, Throwable error) {
initDashboardButtons(false);
}
public void success(Boolean retVal) {
if (retVal) {
connectionService = new ConnectionServiceGwtImpl();
editor = new GwtDatasourceEditor(datasourceService, connectionService, null, false);
setupNativeHooks(GwtDatasourceEditorEntryPoint.this);
}
initDashboardButtons(retVal);
}
});
}
public native void initDashboardButtons(boolean val) /*-{
$wnd.initDataAccess(val);
}-*/;
private native void setupNativeHooks(GwtDatasourceEditorEntryPoint editor)/*-{
$wnd.openDatasourceEditor= function(callback) {
editor.@org.pentaho.platform.dataaccess.datasource.wizard.GwtDatasourceEditorEntryPoint::show(Lcom/google/gwt/core/client/JavaScriptObject;)(callback);
}
$wnd.openEditDatasourceEditor= function(domainId, modelId, callback) {
editor.@org.pentaho.platform.dataaccess.datasource.wizard.GwtDatasourceEditorEntryPoint::showEdit(Ljava/lang/String;Ljava/lang/String;Lcom/google/gwt/core/client/JavaScriptObject;)(domainId, modelId, callback);
}
$wnd.deleteModel=function(domainId, modelName, callback) {
editor.@org.pentaho.platform.dataaccess.datasource.wizard.GwtDatasourceEditorEntryPoint::deleteLogicalModel(Ljava/lang/String;Ljava/lang/String;Lcom/google/gwt/core/client/JavaScriptObject;)(domainId, modelName, callback);
}
}-*/;
/**
* Entry-point from Javascript, responds to provided callback with the following:
*
* onOk(String JSON, String mqlString);
* onCancel();
* onError(String errorMessage);
*
* @param callback
*
*/
private void show(final JavaScriptObject callback) {
final DialogListener<Domain> listener = new DialogListener<Domain>(){
public void onDialogCancel() {
notifyCallbackCancel(callback);
}
public void onDialogAccept(final Domain domain) {
WAQRTransport transport = WAQRTransport.createFromMetadata(domain);
notifyCallbackSuccess(callback, true, transport);
}
public void onDialogReady() {
notifyCallbackReady(callback);
}
};
editor.addDialogListener(listener);
editor.showDialog();
}
/**
* edit entry-point from Javascript, responds to provided callback with the following:
*
* onOk(String JSON, String mqlString);
* onCancel();
* onError(String errorMessage);
*
* @param callback
*
*/
private void showEdit(final String domainId, final String modelId, final JavaScriptObject callback) {
final DialogListener<Domain> listener = new DialogListener<Domain>(){
public void onDialogCancel() {
notifyCallbackCancel(callback);
}
public void onDialogAccept(final Domain domain) {
WAQRTransport transport = WAQRTransport.createFromMetadata(domain);
notifyCallbackSuccess(callback, true, transport);
}
public void onDialogReady() {
notifyCallbackReady(callback);
}
};
editor.addDialogListener(listener);
editor.showEditDialog(domainId, modelId);
}
/**
* Deletes the selected model
*
* onOk(Boolean value);
* onCancel();
* onError(String errorMessage);
*
* @param callback
*
*/
private void deleteLogicalModel(String domainId, String modelName, final JavaScriptObject callback) {
datasourceService.deleteLogicalModel(domainId, modelName, new XulServiceCallback<Boolean>(){
public void success(Boolean value) {
notifyCallbackSuccess(callback, value);
}
public void error(String s, Throwable throwable) {
notifyCallbackError(callback, throwable.getMessage());
}
});
}
private native void notifyCallbackSuccess(JavaScriptObject callback, Boolean value, WAQRTransport transport)/*-{
callback.onFinish(value, transport);
}-*/;
private native void notifyCallbackSuccess(JavaScriptObject callback, Boolean value)/*-{
callback.onFinish(value);
}-*/;
private native void notifyCallbackError(JavaScriptObject callback, String error)/*-{
callback.onError(error);
}-*/;
private native void notifyCallbackCancel(JavaScriptObject callback)/*-{
callback.onCancel();
}-*/;
private native void notifyCallbackReady(JavaScriptObject callback)/*-{
callback.onReady();
}-*/;
}