vertical-layout-impl.cpp
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/*
* Copyright (c) 2015 Samsung Electronics Co., Ltd.
*
* 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.
*
*/
// CLASS HEADER
#include "vertical-layout-impl.h"
// INTERNAL INCLUDES
#include "vertical-layout.h"
namespace Dali
{
namespace Toolkit
{
namespace Internal
{
Toolkit::VerticalLayout VerticalLayout::New()
{
// Create the implementation, temporarily owned by this handle on stack
IntrusivePtr< VerticalLayout > impl = new VerticalLayout();
// Pass ownership to CustomActor handle
Toolkit::VerticalLayout handle( *impl );
// Second-phase init of the implementation
// This can only be done after the CustomActor connection has been made...
impl->Initialize();
return handle;
}
VerticalLayout::VerticalLayout()
: Control( ControlBehaviour( CONTROL_BEHAVIOUR_NONE ) )
{
}
VerticalLayout::~VerticalLayout()
{
}
void VerticalLayout::OnInitialize()
{
}
Vector3 VerticalLayout::GetNaturalSize()
{
Vector3 size = Vector3::ZERO;
CustomActor self = Self();
for( unsigned int index = 0u, count = self.GetChildCount(); index < count; ++index )
{
Toolkit::TextLabel label = Toolkit::TextLabel::DownCast( self.GetChildAt( index ) );
if( label )
{
Vector3 labelSize = label.GetNaturalSize();
size.width = ( labelSize.width > size.width ) ? labelSize.width : size.width;
size.height += labelSize.height;
}
}
return size;
}
float VerticalLayout::GetHeightForWidth( float width )
{
float height = 0.f;
CustomActor self = Self();
for( unsigned int index = 0u, count = self.GetChildCount(); index < count; ++index )
{
Toolkit::TextLabel label = Toolkit::TextLabel::DownCast( self.GetChildAt( index ) );
if( label )
{
height += label.GetHeightForWidth( width );
}
}
return height;
}
float VerticalLayout::GetWidthForHeight( float height )
{
return 0.f;
}
void VerticalLayout::OnFontChange( bool defaultFontChange, bool defaultFontSizeChange )
{
}
void VerticalLayout::OnRelayout( const Vector2& size, ActorSizeContainer& container )
{
CustomActor self = Self();
Vector3 position;
for( unsigned int index = 0u, count = self.GetChildCount(); index < count; ++index )
{
Toolkit::TextLabel label = Toolkit::TextLabel::DownCast( self.GetChildAt( index ) );
if( label )
{
label.SetPosition( position );
position.height += label.GetHeightForWidth( size.width );
}
container.push_back( ActorSizePair( label, size ) );
}
}
void VerticalLayout::AddLabel( Toolkit::TextLabel label )
{
Self().Add( label );
RelayoutRequest();
}
} // namespace Internal
} // namespace Toolkit
} // namespace Dali