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added WebWidgets
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Peter Schojer
256
WebWidgets/ExtJS/src/TableRenderer.cpp
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256
WebWidgets/ExtJS/src/TableRenderer.cpp
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//
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// TableRenderer.cpp
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//
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// $Id: //poco/Main/WebWidgets/ExtJS/src/TableRenderer.cpp#4 $
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//
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// Library: ExtJS
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// Package: Core
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// Module: TableRenderer
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//
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// Copyright (c) 2007, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#include "Poco/WebWidgets/ExtJS/TableRenderer.h"
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#include "Poco/WebWidgets/ExtJS/FormRenderer.h"
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#include "Poco/WebWidgets/ExtJS/Utility.h"
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#include "Poco/WebWidgets/ExtJS/TableCellHandlerFactory.h"
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#include "Poco/WebWidgets/Table.h"
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#include "Poco/WebWidgets/WebApplication.h"
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#include "Poco/WebWidgets/RequestHandler.h"
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#include <sstream>
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namespace Poco {
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namespace WebWidgets {
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namespace ExtJS {
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TableRenderer::TableRenderer()
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{
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}
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TableRenderer::~TableRenderer()
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{
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}
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void TableRenderer::renderHead(const Renderable* pRenderable, const RenderContext& context, std::ostream& ostr)
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{
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poco_assert_dbg (pRenderable != 0);
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poco_assert_dbg (pRenderable->type() == typeid(Poco::WebWidgets::Table));
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const Table* pTable = static_cast<const Poco::WebWidgets::Table*>(pRenderable);
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ostr << "new Ext.grid.EditorGridPanel({";
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TableRenderer::renderProperties(pTable, context, ostr);
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ostr << "})";
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}
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void TableRenderer::renderBody(const Renderable* pRenderable, const RenderContext& context, std::ostream& ostr)
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{
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}
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void TableRenderer::renderProperties(const Table* pTable, const RenderContext& context, std::ostream& ostr)
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{
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Utility::writeRenderableProperties(pTable, ostr);
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WebApplication& app = WebApplication::instance();
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Renderable::ID id = app.getCurrentPage()->id();
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// add an afterEdit handler
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// event handlers can be defined in the constructor after the listeners member
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//{
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// 'afterEdit' : {
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// fn: function(obj){obj.row, obj.column, obj.value, tableId}
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//},
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std::ostringstream uri;
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uri << "'" <<app.getURI().toString();
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uri << ";"; //mark as AJAX request
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uri << RequestHandler::KEY_ID << "=" << id << "&";
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uri << Table::FIELD_COL << "='+obj.column+'&";
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uri << Table::FIELD_ROW << "='+obj.row+'&" << Table::FIELD_VAL << "='+obj.value";
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//obj.commitChanges... hides the red triangle
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ostr << ", listeners: {'afteredit':{fn:function(obj){var uri=" << uri.str() << ";obj.grid.getStore().commitChanges();";
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ostr << "Ext.Ajax.request({url:uri,";
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ostr << "failure:function(){Ext.MessageBox.alert('Status','Failed to write changes back to server.');}});}}},";
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renderColumns(pTable, context, ostr);
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ostr << ",clicksToEdit:1,store:";
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renderStore(pTable, ostr);
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app.registerAjaxProcessor(Poco::NumberFormatter::format(id), const_cast<Table*>(pTable));
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}
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void TableRenderer::renderColumns(const Table* pTable, const RenderContext& context, std::ostream& ostr)
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{
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//columns: [...]
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ostr << "columns:[";
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const Table::TableColumns& columns = pTable->getColumns();
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Table::TableColumns::const_iterator it = columns.begin();
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int i = 0;
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for (; it != columns.end(); ++it, ++i)
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{
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if (i != 0)
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ostr << ",";
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renderColumn(pTable, *(*it), i, context, ostr);
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}
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ostr << "]";
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}
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void TableRenderer::renderColumn(const Table* pTable, const TableColumn& tc, int idx, const RenderContext& context, std::ostream& ostr)
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{
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static LookAndFeel& laf = Utility::getDefaultRenderers();
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// {id:'company', header: "Company", width: 200, sortable: true, dataIndex: 'company'}
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// {header: "Last Updated", width: 135, sortable: true, renderer: Ext.util.Format.dateRenderer('m/d/Y'), dataIndex: 'lastChange'}
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ostr << "{";
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std::string hdr(Utility::safe(tc.getHeader()));
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ostr << "header:'" << hdr << "',dataIndex:'" << idx << "'";
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if (tc.getWidth() > 0)
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ostr << ",width:" << tc.getWidth();
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if (tc.isSortable())
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ostr << ",sortable:true";
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static TableCellHandlerFactory& fty = TableCellHandlerFactory::instance();
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if (tc.getCell())
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{
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AbstractTableCellHandler::Ptr pHandler = fty.factory(tc.getCell());
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if (tc.getCell()->isEditable())
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ostr << ",editable:true";
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if (tc.getCell()->isEditable() && pHandler->useEditor())
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{
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ostr << ",editor:";
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tc.getCell()->renderHead(context, ostr);
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}
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if (pHandler->useRenderer())
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{
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ostr << ",renderer:";
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pHandler->writeDynamicData(ostr);
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}
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}
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ostr << "}";
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}
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void TableRenderer::renderDataModel(const Table* pTable, std::ostream& ostr)
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{
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//[
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//[ ['3m Co',71.72,0.02,0.03,'9/1 12:00am'],
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//[ ['Alcoa Inc',29.01,0.42,1.47,'9/1 12:00am']
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//]
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const TableModel& tm = pTable->getModel();
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const Table::TableColumns& tc = pTable->getColumns();
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poco_assert_dbg (tc.size() == tm.getColumnCount());
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std::size_t colCnt = tm.getColumnCount();
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std::size_t rowCnt = tm.getRowCount();
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ostr << "[";
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for (std::size_t row = 0; row < rowCnt; ++row)
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{
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if (row != 0)
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ostr << ",[";
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else
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ostr << "[";
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for (std::size_t col = 0; col < colCnt; ++col)
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{
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if (col != 0)
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ostr << ",";
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//FIXME: how do we distinguish if we want to write something as text or GUIElement?
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// Example: Checkbutton can be written as text "true"/"false" or as a CheckButton
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// we use the Cell: if we have a Cell set -> complex Type otherwise text
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// -> already handled by the renderer!
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const Poco::Any& aVal = tm.getValue(row, col);
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if (aVal.empty())
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ostr << "''";
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else
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{
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//FIXME: we have no type nfo at all, assume string for everything
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bool isString = (typeid(std::string) == aVal.type());
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Cell::Ptr ptrCell = tc[col]->getCell();
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if (isString)
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ostr << "'" << RefAnyCast<std::string>(aVal) << "'";
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else if (ptrCell)
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ostr << tc[col]->getCell()->getFormatter()->format(aVal);
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else
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; //FIXME:
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}
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}
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ostr << "]";
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}
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ostr << "]";
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}
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void TableRenderer::renderStore(const Table* pTable, std::ostream& ostr)
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{
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//new Ext.data.SimpleStore({
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// fields: [
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// {name: 'company'},
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// {name: 'price', type: 'float'},
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// {name: 'change', type: 'float'},
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// {name: 'pctChange', type: 'float'},
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// {name: 'lastChange', type: 'date', dateFormat: 'n/j h:ia'}
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// ],
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// data: [...]
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//});
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// we don't know the type, we just have a formatter, the name is always the idx!
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// we use the formatter later to set a renderer for a different type than string
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const Table::TableColumns& columns = pTable->getColumns();
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ostr << "new Ext.data.SimpleStore({fields:[";
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Table::TableColumns::const_iterator it = columns.begin();
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int i = 0;
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for (; it != columns.end(); ++it, ++i)
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{
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if (i != 0)
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ostr << ",";
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ostr << "{name:'" << i << "'}";
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}
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ostr << "],"; // close fields
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//Write data
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ostr << "data:";
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renderDataModel(pTable, ostr);
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ostr << "})";
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}
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} } } // namespace Poco::WebWidgets::ExtJS
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