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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.
*
*/
#include "../../Include/Rocket/Controls/ElementFormControlSelect.h"
#include "../../Include/Rocket/Core/ElementText.h"
#include "../../Include/Rocket/Core/Event.h"
#include "../../Include/Rocket/Core/ElementUtilities.h"
#include "WidgetDropDown.h"
namespace Rocket {
namespace Controls {
// Constructs a new ElementFormControlSelect.
ElementFormControlSelect::ElementFormControlSelect(const Rocket::Core::String& tag) : ElementFormControl(tag)
{
widget = new WidgetDropDown(this);
}
ElementFormControlSelect::~ElementFormControlSelect()
{
delete widget;
}
// Returns a string representation of the current value of the form control.
Rocket::Core::String ElementFormControlSelect::GetValue() const
{
ROCKET_ASSERT(widget != NULL);
return widget->GetValue();
}
// Sets the current value of the form control.
void ElementFormControlSelect::SetValue(const Rocket::Core::String& value)
{
OnUpdate();
ROCKET_ASSERT(widget != NULL);
widget->SetValue(value);
}
// Sets the index of the selection. If the new index lies outside of the bounds, it will be clamped.
void ElementFormControlSelect::SetSelection(int selection)
{
OnUpdate();
ROCKET_ASSERT(widget != NULL);
widget->SetSelection(selection);
}
// Returns the index of the currently selected item.
int ElementFormControlSelect::GetSelection() const
{
ROCKET_ASSERT(widget != NULL);
return widget->GetSelection();
}
// Returns one of the select control's option elements.
SelectOption* ElementFormControlSelect::GetOption(int index)
{
OnUpdate();
ROCKET_ASSERT(widget != NULL);
return widget->GetOption(index);
}
// Returns the number of options in the select control.
int ElementFormControlSelect::GetNumOptions()
{
OnUpdate();
ROCKET_ASSERT(widget != NULL);
return widget->GetNumOptions();
}
// Adds a new option to the select control.
int ElementFormControlSelect::Add(const Rocket::Core::String& rml, const Rocket::Core::String& value, int before, bool selectable)
{
OnUpdate();
ROCKET_ASSERT(widget != NULL);
return widget->AddOption(rml, value, before, false, selectable);
}
// Removes an option from the select control.
void ElementFormControlSelect::Remove(int index)
{
OnUpdate();
ROCKET_ASSERT(widget != NULL);
widget->RemoveOption(index);
}
// Removes all options from the select control.
void ElementFormControlSelect::RemoveAll()
{
OnUpdate();
ROCKET_ASSERT(widget != NULL);
widget->ClearOptions();
}
// Moves all children to be under control of the widget.
void ElementFormControlSelect::OnUpdate()
{
ElementFormControl::OnUpdate();
// Move any child elements into the widget (except for the three functional elements).
while (HasChildNodes())
{
Core::Element* child = GetFirstChild();
// Check for a value attribute.
Rocket::Core::String attribute_value = child->GetAttribute<Rocket::Core::String>("value", "");
// Pull the inner RML and add the option.
Rocket::Core::String rml;
child->GetInnerRML(rml);
widget->AddOption(rml, attribute_value, -1, child->GetAttribute("selected") != NULL, child->GetAttribute("unselectable") == NULL);
RemoveChild(child);
}
}
// Updates the layout of the widget's elements.
void ElementFormControlSelect::OnRender()
{
ElementFormControl::OnRender();
widget->OnRender();
}
// Forces an internal layout.
void ElementFormControlSelect::OnLayout()
{
widget->OnLayout();
}
// Returns true to mark this element as replaced.
bool ElementFormControlSelect::GetIntrinsicDimensions(Rocket::Core::Vector2f& intrinsic_dimensions)
{
intrinsic_dimensions.x = 128;
intrinsic_dimensions.y = 16;
return true;
}
}
}
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