package com.cosmo.orm.apps;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.cosmo.net.HttpRequestUtils;
import com.cosmo.net.URL;
import com.cosmo.orm.OrmFactory;
import com.cosmo.ui.Page;
import com.cosmo.ui.PageContext;
import com.cosmo.ui.PageContext.ContentColumns;
import com.cosmo.ui.PageContext.PageLayout;
import com.cosmo.ui.controls.BreadcrumbsControl;
import com.cosmo.ui.controls.BreadcrumbsItem;
import com.cosmo.ui.controls.ButtonBarControl;
import com.cosmo.ui.controls.ButtonBarItem;
import com.cosmo.ui.controls.DynamicMessageControl;
import com.cosmo.ui.controls.FormControl;
import com.cosmo.ui.controls.FormFieldHidden;
import com.cosmo.ui.controls.GridControl;
import com.cosmo.ui.controls.GridRowAction;
import com.cosmo.ui.controls.HeaderControl;
import com.cosmo.ui.controls.Icon;
/**
* Servlet implementation class OrmDataService
*/
@WebServlet(description = "Servicio back-end para Cosmo ORM (CORM)", urlPatterns = { "/OrmDataService" })
public class OrmDataService extends Page
{
/** Serial Version UUID */
private static final long serialVersionUID = 769955795551205157L;
/** Nombre/URL de la p�gina del servicio **/
public static final String URL_BASE = "OrmDataService";
public final String PARAMETER_COMMAND = "cmd";
public final String PARAMETER_HOSTPAGE = "hp";
public final String PARAMETER_APPID = "appid";
public final String COMMAND_DELETE = "del";
public final String COMMAND_EDIT = "edit";
public final String COMMAND_CREATE = "create";
public final String COMMAND_REPORT = "rpt";
private final String CTRL_HEADER = "head";
private final String CTRL_MESSAGE = "msg";
private final String CTRL_GRID = "grd";
@Override
public PageContext initPageEvent(PageContext pc, HttpServletRequest request, HttpServletResponse response)
{
OrmApplication app;
try
{
// Obtiene la definici�n de la aplicaci�n y genera la estructura de p�gina
app = getWorkspace().getProperties().getOrmProperties().getOrmApplication(getApplicationId(request));
pc.setLayout(PageLayout.TwoColumnsLeft);
pc.setTitle(getWorkspace().getName() + " - " + app.getTitle());
BreadcrumbsControl navbar = new BreadcrumbsControl(getWorkspace());
navbar.addItem(new BreadcrumbsItem("Home", "HomePage", Icon.ICON_IMAGE_HOME));
navbar.addItem(new BreadcrumbsItem("Grid / Formularis", ""));
pc.addContent(navbar, ContentColumns.MAIN);
HeaderControl header = new HeaderControl(getWorkspace(), CTRL_HEADER);
header.setTitle(app.getTitle());
header.setDescription(app.getDescription());
pc.addContent(header, ContentColumns.MAIN);
DynamicMessageControl msg = new DynamicMessageControl(getWorkspace(), CTRL_MESSAGE);
msg.setVisible(false);
pc.addContent(msg, ContentColumns.MAIN);
}
catch (Exception ex)
{
pc.showException(getWorkspace(), ex);
}
return pc;
}
@Override
public PageContext formSendedEvent(PageContext pc, HttpServletRequest request, HttpServletResponse response)
{
OrmFactory ormp;
OrmApplication app;
Class<?> cls;
try
{
// Obtiene la definici�n de la aplicaci�n y genera la estructura de p�gina
app = getWorkspace().getProperties().getOrmProperties().getOrmApplication(getApplicationId(request));
// Obtiene la referencia a la clase CORM objeto de la aplicaci�n
cls = Class.forName(app.getClassName());
// Obtiene la instancia del Request
Object instance = OrmFactory.getObjectFromRequest(cls, request);
ormp = new OrmFactory(app.getConnectionId(), getWorkspace());
if (HttpRequestUtils.getValue(request, PARAMETER_COMMAND, "").equals(COMMAND_CREATE))
{
ormp.insert(instance);
}
else if (HttpRequestUtils.getValue(request, PARAMETER_COMMAND, "").equals(COMMAND_EDIT))
{
ormp.update(instance);
}
else if (HttpRequestUtils.getValue(request, PARAMETER_COMMAND, "").equals(COMMAND_DELETE))
{
ormp.delete(instance);
}
// Genera la URL para mostrar el listado
URL url = new URL(URL_BASE);
url.addParameter(PARAMETER_APPID, HttpRequestUtils.getValue(request, PARAMETER_APPID));
url.addParameter(PARAMETER_COMMAND, COMMAND_REPORT);
// Redirige el flujo de la aplicaci� al listado
response.sendRedirect(url.toString());
return null;
}
catch (Exception ex)
{
DynamicMessageControl msg = (DynamicMessageControl) pc.getControl(CTRL_MESSAGE);
msg.setVisible(true);
msg.setType(DynamicMessageControl.MessageTypes.Error);
msg.setMessage("ERROR: " + ex.getMessage());
}
return pc;
}
@Override
public PageContext loadPageEvent(PageContext pc, HttpServletRequest request, HttpServletResponse response)
{
OrmApplication app;
Class<?> cls;
try
{
// Obtiene la definici�n de la aplicaci�n y genera la estructura de p�gina
app = getWorkspace().getProperties().getOrmProperties().getOrmApplication(getApplicationId(request));
// Obtiene la referencia a la clase CORM objeto de la aplicaci�n
cls = Class.forName(app.getClassName());
// Si se trata de eliminar o editar, se act�a previamente
if (HttpRequestUtils.getValue(request, PARAMETER_COMMAND, "").equals(COMMAND_DELETE))
{
Object instance = OrmFactory.getObjectFromRequest(cls, request);
OrmFactory ormp = new OrmFactory(app.getConnectionId(), getWorkspace());
ormp.delete(instance);
}
// Seg�n el comando, realiza una acci�n. Si no hay comando, muestra el grid
if (HttpRequestUtils.getValue(request, PARAMETER_COMMAND, "").equals(COMMAND_CREATE))
{
FormControl form = new FormControl(getWorkspace(), app.getId());
form.addGroup(cls);
form.addHiddenValue(new FormFieldHidden(PARAMETER_APPID, HttpRequestUtils.getValue(request, PARAMETER_APPID)));
form.addHiddenValue(new FormFieldHidden(PARAMETER_COMMAND, HttpRequestUtils.getValue(request, PARAMETER_COMMAND)));
pc.addContent(form, ContentColumns.MAIN);
}
else if (HttpRequestUtils.getValue(request, PARAMETER_COMMAND, "").equals(COMMAND_EDIT))
{
Object instance = OrmFactory.getObjectFromRequest(cls, request);
OrmFactory ormp = new OrmFactory(app.getConnectionId(), getWorkspace());
instance = ormp.get(instance);
FormControl form = new FormControl(getWorkspace(), app.getId());
form.addGroup(instance);
form.addHiddenValue(new FormFieldHidden(PARAMETER_APPID, HttpRequestUtils.getValue(request, PARAMETER_APPID)));
form.addHiddenValue(new FormFieldHidden(PARAMETER_COMMAND, HttpRequestUtils.getValue(request, PARAMETER_COMMAND)));
pc.addContent(form, ContentColumns.MAIN);
}
else
{
// Muestra el GRID de la aplicaci�n
ButtonBarControl btnBar = new ButtonBarControl(getWorkspace());
btnBar.addButton(new ButtonBarItem("Nou registre", createActionUrl(app, cls, COMMAND_CREATE, false), Icon.ICON_IMAGE_PLUS));
btnBar.addButton(new ButtonBarItem("Refrescar", createActionUrl(app, cls, COMMAND_REPORT, false), Icon.ICON_IMAGE_REFRESH));
pc.addContent(btnBar, ContentColumns.MAIN);
GridControl grid = new GridControl(getWorkspace(), CTRL_GRID);
grid.addRowAction(new GridRowAction("", createActionUrl(app, cls, COMMAND_EDIT, true), "icon-pencil"));
grid.addRowAction(new GridRowAction("", createActionUrl(app, cls, COMMAND_DELETE, true), "icon-remove-circle"));
grid.setData(app.getConnectionId(), cls, false);
pc.addContent(grid, ContentColumns.MAIN);
}
}
catch (Exception ex)
{
pc.showException(getWorkspace(), ex);
}
return pc;
}
@Override
public PageContext pageException(PageContext pc, Exception exception)
{
return pc;
}
//==============================================
// Private members
//==============================================
/**
* Obtiene el identificador de la aplicaci�n
*/
private String getApplicationId(HttpServletRequest request)
{
String appId = HttpRequestUtils.getValue(request, PARAMETER_APPID);
if (appId == null || appId.trim().isEmpty())
{
return "";
}
else
{
return appId;
}
}
/**
* Genera una URL de comando para una determinada acci�n y registro.
*/
private String createActionUrl(OrmApplication app, Class<?> ormClass, String command, boolean idNeeded)
{
String url = "";
url = URL_BASE + "?";
url += PARAMETER_APPID + "=" + app.getId() + "&";
url += PARAMETER_COMMAND + "=" + command;
if (idNeeded)
{
url += "&" + GridRowAction.TOKEN_ROW_ID;
}
if (command.equals(COMMAND_DELETE))
{
url = "javascript:deleteConfirm('" + url + "');";
}
return url;
}
}