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/*
* This source file is part of libRocket, the HTML/CSS Interface Middleware
*
* For the latest information, see http://www.librocket.com
*
* Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
#ifndef ROCKETCONTROLSELEMENTFORMCONTROLDATASELECT_H
#define ROCKETCONTROLSELEMENTFORMCONTROLDATASELECT_H
#include "Header.h"
#include "ElementFormControlSelect.h"
#include "DataSourceListener.h"
namespace Rocket {
namespace Controls {
class DataSource;
/**
A drop-down select form control driven from a data source.
@author Peter Curry
*/
class ROCKETCONTROLS_API ElementFormControlDataSelect : public ElementFormControlSelect, public DataSourceListener
{
public:
/// Constructs a new ElementFormControlDataSelect. This should not be called directly; use the
/// Factory instead.
/// @param[in] tag The tag the element was declared as in RML.
ElementFormControlDataSelect(const Rocket::Core::String& tag);
virtual ~ElementFormControlDataSelect();
/// Sets the data source the control's options are driven from.
/// @param[in] data_source The name of the new data source.
void SetDataSource(const Rocket::Core::String& data_source);
protected:
/// If a new data source has been set on the control, this will attach to it and build the
/// initial options.
virtual void OnUpdate();
/// Checks for changes to the data source or formatting attributes.
/// @param[in] changed_attributes List of changed attributes on the element.
virtual void OnAttributeChange(const Core::AttributeNameList& changed_attributes);
/// Detaches from the data source and rebuilds the options.
virtual void OnDataSourceDestroy(DataSource* data_source);
/// Rebuilds the available options from the data source.
virtual void OnRowAdd(DataSource* data_source, const Rocket::Core::String& table, int first_row_added, int num_rows_added);
/// Rebuilds the available options from the data source.
virtual void OnRowRemove(DataSource* data_source, const Rocket::Core::String& table, int first_row_removed, int num_rows_removed);
/// Rebuilds the available options from the data source.
virtual void OnRowChange(DataSource* data_source, const Rocket::Core::String& table, int first_row_changed, int num_rows_changed);
/// Rebuilds the available options from the data source.
virtual void OnRowChange(DataSource* data_source, const Rocket::Core::String& table);
private:
// Builds the option list from the data source.
void BuildOptions();
DataSource* data_source;
Rocket::Core::String data_table;
bool initialised;
};
}
}
#endif
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