/**
* Copyright (C) 2012 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.dashboard.ui.components.table;
import org.apache.commons.lang.StringUtils;
import org.jboss.dashboard.ui.Dashboard;
import org.jboss.dashboard.displayer.table.*;
import org.jboss.dashboard.domain.Interval;
import org.jboss.dashboard.ui.annotation.panel.PanelScoped;
import org.jboss.dashboard.ui.components.DashboardHandler;
import org.jboss.dashboard.provider.DataProperty;
import org.jboss.dashboard.LocaleManager;
import org.jboss.dashboard.commons.filter.FilterByCriteria;
import org.jboss.dashboard.ui.components.UIBeanHandler;
import org.jboss.dashboard.ui.controller.CommandResponse;
import org.jboss.dashboard.ui.controller.CommandRequest;
import org.jboss.dashboard.commons.comparator.ComparatorByCriteria;
import org.jboss.dashboard.ui.controller.responses.SendStreamResponse;
import org.jboss.dashboard.ui.controller.responses.ShowCurrentScreenResponse;
import org.slf4j.Logger;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Locale;
import javax.inject.Inject;
import javax.inject.Named;
/**
* The table component handler.
*/
@PanelScoped
@Named("table_handler")
public class TableHandler extends UIBeanHandler {
public static final String EXPORT_FORMAT = "dataExportFormat";
@Inject
private transient Logger log;
protected TableFormatter tableFormatter;
protected Table table;
protected ComparatorByCriteria tableComparator;
protected boolean editMode;
protected String viewModeJsp;
protected String editModeJsp;
protected Integer selectedColumnIndex;
protected boolean structuralChangesAllowed;
// Constructor of the class
public TableHandler() {
table = new Table();
selectedColumnIndex = null;
editMode = true;
viewModeJsp = "/components/table/view.jsp";
editModeJsp = "/components/table/edit.jsp";
tableFormatter = null;
structuralChangesAllowed = true;
tableComparator = null;
}
public Table getTable() {
return table;
}
public void setTable(Table table) {
this.table = table;
}
public ComparatorByCriteria getTableComparator() {
return tableComparator;
}
public TableFormatter getTableFormatter() {
return tableFormatter;
}
public void setTableFormatter(TableFormatter tableFormatter) {
this.tableFormatter = tableFormatter;
}
public TableColumn getSelectedColumn() {
if (selectedColumnIndex == null) return null;
return table.getColumn(selectedColumnIndex.intValue());
}
public Integer getSelectedColumnIndex() {
return selectedColumnIndex;
}
public void setSelectedColumnIndex(Integer selectedColumnIndex) {
this.selectedColumnIndex = selectedColumnIndex;
}
public boolean isEditMode() {
return editMode;
}
public void setEditMode(boolean editMode) {
this.editMode = editMode;
}
public boolean isStructuralChangesAllowed() {
return structuralChangesAllowed;
}
public void setStructuralChangesAllowed(boolean structuralChangesAllowed) {
this.structuralChangesAllowed = structuralChangesAllowed;
}
// UIBeanHandler interface
public String getBeanJSP() {
if (isEditMode()) return editModeJsp;
return viewModeJsp;
}
public CommandResponse actionExecAction(CommandRequest request) throws Exception {
String action = request.getRequestObject().getParameter("tableaction");
if ("saveTable".equals(action)) actionSaveTable(request);
else if ("newColumn".equals(action)) actionNewColumn(request);
else if ("moveColumn".equals(action)) actionMoveColumn(request);
else if ("removeColumn".equals(action)) actionRemoveColumn(request);
else if ("selectColumn".equals(action)) actionSelectColumn(request);
else if ("deselectColumn".equals(action)) actionDeselectColumn(request);
else if ("saveColumn".equals(action)) actionSaveColumn(request);
else if ("nextPage".equals(action)) actionNextPage(request);
else if ("previousPage".equals(action)) actionPreviousPage(request);
else if ("firstPage".equals(action)) actionFirstPage(request);
else if ("lastPage".equals(action)) actionLastPage(request);
else if ("gotoPage".equals(action)) actionGotoPage(request);
else if ("selectCellValue".equals(action)) return actionSelectCellValue(request);
else if ("sortByColumn".equals(action)) actionSortByColumn(request);
return null;
}
public void actionSaveTable(CommandRequest request) throws Exception {
// Capture the changes in the table properties
int maxRows = 0;
try {
maxRows = Integer.parseInt(request.getRequestObject().getParameter("maxrowspage"));
table.setMaxRowsPerPage(maxRows);
} catch (NumberFormatException e) {
log.warn("Cannot parse max rows per page value for table as a number.");
}
String headerPos = request.getRequestObject().getParameter("headerposition");
String htmlStyle = request.getRequestObject().getParameter("htmlstyle");
String rowHoverStyle = request.getRequestObject().getParameter("rowhoverstyle");
String rowOddStyle = request.getRequestObject().getParameter("rowoddstyle");
String rowEvenStyle = request.getRequestObject().getParameter("rowevenstyle");
String htmlClass = request.getRequestObject().getParameter("htmlclass");
String rowEvenClass = request.getRequestObject().getParameter("rowevenclass");
String rowOddClass = request.getRequestObject().getParameter("rowoddclass");
String rowHoverClass = request.getRequestObject().getParameter("rowhoverclass");
if (StringUtils.isNotBlank(headerPos)) table.setHeaderPosition(headerPos);
if (StringUtils.isNotBlank(htmlStyle)) table.setHtmlStyle(htmlStyle);
if (StringUtils.isNotBlank(rowEvenStyle)) table.setRowEvenStyle(rowEvenStyle);
if (StringUtils.isNotBlank(rowOddStyle)) table.setRowOddStyle(rowOddStyle);
if (StringUtils.isNotBlank(rowHoverStyle)) table.setRowHoverStyle(rowHoverStyle);
if (StringUtils.isNotBlank(htmlClass)) table.setHtmlClass(htmlClass);
if (StringUtils.isNotBlank(rowEvenClass)) table.setRowEventClass(rowEvenClass);
if (StringUtils.isNotBlank(rowHoverClass)) table.setRowHoverClass(rowHoverClass);
if (StringUtils.isNotBlank(rowOddClass)) table.setRowOddClass(rowOddClass);
table.setCurrentPage(1);
// Capture the changes in the selected column (if any).
TableColumn selectedColumn = getSelectedColumn();
if (selectedColumn != null) saveColumn(selectedColumn, request);
}
public void actionNewColumn(CommandRequest request) throws Exception {
int columnIndex = Integer.parseInt(request.getRequestObject().getParameter("columnindex"));
int position = Integer.parseInt(request.getRequestObject().getParameter("position"));
// Create a new column.
TableColumn newColumn = table.createColumn();
newColumn.setPropertyId(table.getColumn(columnIndex).getPropertyId());
// Add the new column to the table in the specified position.
int newColumnIndex = table.getColumnCount();
int newPosition = columnIndex + position;
if (newPosition < 0) newPosition = 0;
table.addColumn(newColumn);
table.moveColumn(newColumnIndex, newPosition);
selectedColumnIndex = new Integer(newPosition);
}
public void actionMoveColumn(CommandRequest request) throws Exception {
int columnIndex = Integer.parseInt(request.getRequestObject().getParameter("columnindex"));
int position = Integer.parseInt(request.getRequestObject().getParameter("position"));
table.moveColumn(columnIndex, columnIndex + position);
actionDeselectColumn(request);
}
public void actionSelectColumn(CommandRequest request) throws Exception {
int columnIndex = Integer.parseInt(request.getRequestObject().getParameter("columnindex"));
if (table.getColumn(columnIndex) != null) selectedColumnIndex = new Integer(columnIndex);
}
public void actionDeselectColumn(CommandRequest request) throws Exception {
selectedColumnIndex = null;
}
public void actionRemoveColumn(CommandRequest request) throws Exception {
int columnIndex = Integer.parseInt(request.getRequestObject().getParameter("columnindex"));
table.removeColumn(columnIndex);
actionDeselectColumn(request);
}
public void actionSaveColumn(CommandRequest request) throws Exception {
int index = Integer.parseInt(request.getRequestObject().getParameter("columnindex"));
saveColumn(table.getColumn(index), request);
actionDeselectColumn(request);
}
protected void saveColumn(TableColumn column, CommandRequest request) throws Exception {
if (column != null) {
String name = request.getRequestObject().getParameter("columnname");
String hint = request.getRequestObject().getParameter("columnhint");
String headerHTML = request.getRequestObject().getParameter("columnheaderhtmlstyle");
String cellHTML = request.getRequestObject().getParameter("columncellhtmlstyle");
String htmlValue = request.getRequestObject().getParameter("htmlvalue");
boolean columnContainsValue = htmlValue.indexOf(TableColumn.DEFAULT_HTMLVALUE) != -1;
columnContainsValue |= htmlValue.indexOf(TableColumn.DEFAULT_HTMLVALUE_RAW) != -1;
if (htmlValue == null || !columnContainsValue) {
htmlValue = TableColumn.DEFAULT_HTMLVALUE;
}
boolean selectable = Boolean.valueOf(request.getRequestObject().getParameter("columnselectable")).booleanValue();
boolean sortable = Boolean.valueOf(request.getRequestObject().getParameter("columnsortable")).booleanValue();
Locale locale = LocaleManager.currentLocale();
column.setName(name, locale);
column.setHint(hint, locale);
column.setHeaderHtmlStyle(headerHTML);
column.setCellHtmlStyle(cellHTML);
column.setHtmlValue(htmlValue);
column.setSelectable(selectable);
column.setSortable(sortable);
if (isStructuralChangesAllowed()) {
String model = request.getRequestObject().getParameter("columnmodel");
column.setPropertyId(model);
}
selectedColumnIndex = null;
}
}
public void actionNextPage(CommandRequest request) throws Exception {
table.setCurrentPage(table.getCurrentPage() + 1);
}
public void actionPreviousPage(CommandRequest request) throws Exception {
table.setCurrentPage(table.getCurrentPage() - 1);
}
public void actionFirstPage(CommandRequest request) throws Exception {
table.setCurrentPage(1);
}
public void actionLastPage(CommandRequest request) throws Exception {
table.setCurrentPage(table.getNumberOfPages());
}
public void actionGotoPage(CommandRequest request) throws Exception {
try {
table.setCurrentPage(Integer.parseInt(request.getRequestObject().getParameter("pagenumber")));
} catch (NumberFormatException e) {
// Ignore
}
}
public void actionSortByColumn(CommandRequest request) throws Exception {
int tableColumnIdx = Integer.parseInt(request.getRequestObject().getParameter("columnindex"));
TableColumn tableColumn = getTable().getColumn(tableColumnIdx);
AbstractTableModel model = (AbstractTableModel) getTable().getModel();
if (tableComparator != null) {
// Get the current order.
String modelColumnIdx = Integer.toString(model.getColumnPosition(tableColumn.getPropertyId()));
int currentOrdering = ComparatorByCriteria.ORDER_ASCENDING;
if (tableComparator.existCriteria(modelColumnIdx)) currentOrdering = tableComparator.getSortCriteriaOrdering(modelColumnIdx);
// Reverse that order
if (currentOrdering == ComparatorByCriteria.ORDER_UNSPECIFIED) currentOrdering = ComparatorByCriteria.ORDER_ASCENDING;
else if (currentOrdering == ComparatorByCriteria.ORDER_ASCENDING) currentOrdering = ComparatorByCriteria.ORDER_DESCENDING;
else currentOrdering = ComparatorByCriteria.ORDER_ASCENDING;
// Sort
tableComparator.removeAllSortCriteria();
tableComparator.addSortCriteria(modelColumnIdx, currentOrdering);
model.sort(tableComparator);
}
}
public CommandResponse actionSelectCellValue(CommandRequest request) throws Exception {
table.setCurrentPage(1);
int rowIndex = Integer.parseInt(request.getRequestObject().getParameter("rowindex"));
int columnIndex = Integer.parseInt(request.getRequestObject().getParameter("columnindex"));
DataSetTable dataSetTable = (DataSetTable) getTable();
DataProperty selectedProperty = dataSetTable.getDataProperty(columnIndex);
Dashboard dashboard = DashboardHandler.lookup().getCurrentDashboard();
Object selectedValue = dataSetTable.getValueAt(rowIndex, columnIndex);
if (selectedValue instanceof Interval) {
if (dashboard.filter(selectedProperty.getPropertyId(), (Interval) selectedValue, FilterByCriteria.ALLOW_ANY)) {
// If drill-down then force the whole screen to be refreshed.
return new ShowCurrentScreenResponse();
}
} else {
Collection values = new ArrayList();
values.add(selectedValue);
if (dashboard.filter(selectedProperty.getPropertyId(), null, false, null, false, values, FilterByCriteria.ALLOW_ANY)) {
// If drill-down then force the whole screen to be refreshed.
return new ShowCurrentScreenResponse();
}
}
return null;
}
public CommandResponse actionExportData(String format) throws Exception {
if (ExportTool.FORMAT_EXCEL.equalsIgnoreCase(format))
return new SendStreamResponse(new ExportTool().exportExcel(getTable().getModel()), "inline;filename=data.xlsx;");
else if (ExportTool.FORMAT_CSV.equalsIgnoreCase(format))
return new SendStreamResponse(new ExportTool().exportCSV(getTable().getModel()), "inline;filename=data.csv;");
else {
throw new IllegalArgumentException("Null or unsupported export format!");
}
}
}