/*
* RHQ Management Platform
* Copyright (C) 2005-2014 Red Hat, Inc.
* 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 version 2 of the License.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package org.rhq.coregui.client.alert.definitions;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.smartgwt.client.data.DSRequest;
import com.smartgwt.client.data.DSResponse;
import com.smartgwt.client.data.DataSourceField;
import com.smartgwt.client.data.Record;
import com.smartgwt.client.data.fields.DataSourceImageField;
import com.smartgwt.client.data.fields.DataSourceTextField;
import com.smartgwt.client.types.Alignment;
import com.smartgwt.client.types.FieldType;
import com.smartgwt.client.types.ListGridFieldType;
import com.smartgwt.client.widgets.grid.HoverCustomizer;
import com.smartgwt.client.widgets.grid.ListGridField;
import com.smartgwt.client.widgets.grid.ListGridRecord;
import org.rhq.core.domain.alert.AlertDefinition;
import org.rhq.core.domain.criteria.AlertDefinitionCriteria;
import org.rhq.core.domain.util.PageList;
import org.rhq.coregui.client.CoreGUI;
import org.rhq.coregui.client.ImageManager;
import org.rhq.coregui.client.components.table.EscapedHtmlCellFormatter;
import org.rhq.coregui.client.components.table.TimestampCellFormatter;
import org.rhq.coregui.client.gwt.GWTServiceLookup;
import org.rhq.coregui.client.util.RPCDataSource;
/**
* @author Greg Hinkle
* @author John Mazzitelli
*/
public abstract class AbstractAlertDefinitionsDataSource extends
RPCDataSource<AlertDefinition, AlertDefinitionCriteria> {
protected static final String FIELD_ID = "id";
protected static final String FIELD_NAME = "name";
protected static final String FIELD_DESCRIPTION = "description";
protected static final String FIELD_CTIME = "ctime";
protected static final String FIELD_MTIME = "mtime";
protected static final String FIELD_ENABLED = "enabled";
protected static final String FIELD_DELETED = "deleted";
protected static final String FIELD_PRIORITY = "priority"; // an image URL
protected static final String FIELD_OBJECT = "_object"; // the actual AlertDefinition object
public AbstractAlertDefinitionsDataSource() {
super();
List<DataSourceField> fields = addDataSourceFields();
addFields(fields);
}
/**
* The view that contains the list grid which will display this datasource's data will call this
* method to get the field information which is used to control the display of the data.
*
* @return list grid fields used to display the datasource data
*/
public ArrayList<ListGridField> getListGridFields() {
ArrayList<ListGridField> fields = new ArrayList<ListGridField>(6);
ListGridField nameField = new ListGridField(FIELD_NAME, MSG.common_title_name());
nameField.setWidth("20%");
nameField.setCellFormatter(new EscapedHtmlCellFormatter());
fields.add(nameField);
ListGridField descriptionField = new ListGridField(FIELD_DESCRIPTION, MSG.common_title_description());
descriptionField.setWidth("20%");
descriptionField.setCellFormatter(new EscapedHtmlCellFormatter());
fields.add(descriptionField);
ListGridField ctimeField = new ListGridField(FIELD_CTIME, MSG.common_title_createTime());
ctimeField.setType(ListGridFieldType.DATE);
TimestampCellFormatter.prepareDateField(ctimeField);
ctimeField.setWidth("15%");
fields.add(ctimeField);
ListGridField mtimeField = new ListGridField(FIELD_MTIME, MSG.view_alerts_field_modified_time());
mtimeField.setType(ListGridFieldType.DATE);
TimestampCellFormatter.prepareDateField(mtimeField);
mtimeField.setWidth("15%");
fields.add(mtimeField);
ListGridField enabledField = new ListGridField(FIELD_ENABLED, MSG.view_alerts_field_enabled());
enabledField.setType(ListGridFieldType.IMAGE);
enabledField.setAlign(Alignment.CENTER);
enabledField.setWidth(60);
fields.add(enabledField);
ListGridField priorityField = new ListGridField(FIELD_PRIORITY, MSG.view_alerts_field_priority());
priorityField.setType(ListGridFieldType.IMAGE);
priorityField.setWidth(60);
priorityField.setAlign(Alignment.CENTER);
priorityField.setShowHover(true);
priorityField.setHoverCustomizer(new HoverCustomizer() {
@Override
public String hoverHTML(Object value, ListGridRecord record, int rowNum, int colNum) {
AlertDefinition alertDef = (AlertDefinition) record.getAttributeAsObject(FIELD_OBJECT);
switch (alertDef.getPriority()) {
case HIGH: {
return MSG.common_alert_high();
}
case MEDIUM: {
return MSG.common_alert_medium();
}
case LOW: {
return MSG.common_alert_low();
}
}
return ""; // will never get here
}
});
fields.add(priorityField);
return fields;
}
@Override
public AlertDefinition copyValues(Record from) {
AlertDefinition alertDef = (AlertDefinition) from.getAttributeAsObject(FIELD_OBJECT);
return alertDef;
}
@Override
public ListGridRecord copyValues(AlertDefinition from) {
ListGridRecord record = new ListGridRecord();
record.setAttribute(FIELD_ID, from.getId());
record.setAttribute(FIELD_NAME, from.getName());
record.setAttribute(FIELD_DESCRIPTION, from.getDescription());
record.setAttribute(FIELD_CTIME, new Date(from.getCtime()));
record.setAttribute(FIELD_MTIME, new Date(from.getMtime()));
record.setAttribute(FIELD_ENABLED, ImageManager.getAvailabilityIcon(from.getEnabled()));
record.setAttribute(FIELD_DELETED, from.getDeleted());
record.setAttribute(FIELD_PRIORITY, ImageManager.getAlertIcon(from.getPriority()));
record.setAttribute(FIELD_OBJECT, from);
return record;
}
/**
* Sets up some basic alert definition fields for this data source. Subclasses are
* free to call this method and then add more, or add their own custom set and not
* call this method at all (if they don't want some of these basic fields or want to reorder them).
*/
protected List<DataSourceField> addDataSourceFields() {
List<DataSourceField> fields = super.addDataSourceFields();
DataSourceTextField nameField = new DataSourceTextField(FIELD_NAME, MSG.common_title_name());
fields.add(nameField);
DataSourceTextField descriptionField = new DataSourceTextField(FIELD_DESCRIPTION, MSG
.common_title_description());
fields.add(descriptionField);
DataSourceTextField ctimeField = new DataSourceTextField(FIELD_CTIME, MSG.common_title_createTime());
ctimeField.setType(FieldType.DATETIME);
fields.add(ctimeField);
DataSourceTextField mtimeField = new DataSourceTextField(FIELD_MTIME, MSG.view_alerts_field_modified_time());
mtimeField.setType(FieldType.DATETIME);
fields.add(mtimeField);
DataSourceImageField enabledField = new DataSourceImageField(FIELD_ENABLED, MSG.view_alerts_field_enabled());
fields.add(enabledField);
DataSourceImageField priorityField = new DataSourceImageField(FIELD_PRIORITY, MSG.view_alerts_field_priority());
fields.add(priorityField);
return fields;
}
@Override
protected void executeFetch(final DSRequest request, final DSResponse response,
final AlertDefinitionCriteria criteria) {
GWTServiceLookup.getAlertDefinitionService().findAlertDefinitionsByCriteria(criteria,
new AsyncCallback<PageList<AlertDefinition>>() {
public void onFailure(Throwable caught) {
CoreGUI.getErrorHandler().handleError(MSG.view_alert_definitions_loadFailed(), caught);
response.setStatus(DSResponse.STATUS_FAILURE);
processResponse(request.getRequestId(), response);
}
public void onSuccess(PageList<AlertDefinition> result) {
setPagingInfo(response, result);
dataRetrieved(result, response, request);
}
});
}
protected void dataRetrieved(final PageList<AlertDefinition> result, final DSResponse response,
final DSRequest request) {
response.setData(buildRecords(result));
processResponse(request.getRequestId(), response);
}
/**
* Returns a criteria that will query for all alerts, but only for the ID and name fields.
* @return criteria for an inexpensive query to obtain all alert defs
*/
protected abstract AlertDefinitionCriteria getSimpleCriteriaForAll();
}