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148 lines
3.9 KiB
C++
148 lines
3.9 KiB
C++
//
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// TextFieldCell.cpp
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//
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// $Id: //poco/Main/WebWidgets/src/TextFieldCell.cpp#7 $
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//
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// Library: WebWidgets
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// Package: Controls
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// Module: TextFieldCell
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//
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// Copyright (c) 2008, 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/TextFieldCell.h"
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#include "Poco/WebWidgets/TextField.h"
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#include "Poco/WebWidgets/RequestHandler.h"
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namespace Poco {
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namespace WebWidgets {
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const std::string TextFieldCell::FIELD_OLDVAL("oldVal");
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const std::string TextFieldCell::FIELD_NEWVAL("newVal");
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const std::string TextFieldCell::EV_TEXTCHANGED("txtchanged");
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TextFieldCell::TextFieldCell(View* pOwner):
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Cell(pOwner, typeid(TextFieldCell)),
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_maxLength(-1)
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{
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}
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TextFieldCell::TextFieldCell(View* pOwner, const std::type_info& type):
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Cell(pOwner, type),
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_maxLength(-1)
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{
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}
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TextFieldCell::~TextFieldCell()
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{
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}
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void TextFieldCell::setPlaceHolder(const std::string& text)
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{
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_placeHolder = text;
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}
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void TextFieldCell::setMaxLength(int maxLength)
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{
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poco_assert (maxLength >= -1);
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_maxLength = -1;
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}
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void TextFieldCell::handleForm(const std::string& field, const std::string& value)
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{
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if (getValue().empty() || value != getString())
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{
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Poco::Any newValue;
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if (!value.empty())
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newValue = getFormatter()->parse(value);
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ValueChange vc(getFormatter(), getValue(), newValue);
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setValue(newValue);
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textChanged.notify(this, vc);
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}
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}
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void TextFieldCell::handleAjaxRequest(const Poco::Net::NameValueCollection& args, Poco::Net::HTTPServerResponse& response)
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{
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const std::string& ev = args[RequestHandler::KEY_EVID];
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if (ev == EV_TEXTCHANGED)
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{
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Formatter::Ptr pForm = getFormatter();
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handleForm("", args[FIELD_NEWVAL]);
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response.send();
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}
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else
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response.send();
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}
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bool TextFieldCell::serializeJSON(std::ostream& out, const std::string& name)
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{
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out << name << ":";
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if (this->hasValue())
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{
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out << "'" << getFormatter()->format(getValue()) << "'";
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}
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else
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out << "''";
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return true;
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}
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TextFieldCell::ValueChange::ValueChange(Formatter::Ptr pF, const Poco::Any& oV, const Poco::Any& nV):
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pFormatter(pF),
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oldValue(oV),
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newValue(nV)
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{
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poco_check_ptr (pFormatter);
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}
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bool TextFieldCell::ValueChange::differ() const
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{
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if (oldValue.empty() && newValue.empty())
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return false;
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if (oldValue.empty() || newValue.empty())
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return true;
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// both are valid
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return (pFormatter->format(oldValue) != pFormatter->format(newValue));
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}
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} } // namespace Poco::WebWidgets
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