/* _______ __ __ __ ______ __ __ _______ __ __
* / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
* / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
* / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
* / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
* /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
* \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
*
* Copyright (c) 2004 - 2008 Olof Naess�n and Per Larsson
*
*
* Per Larsson a.k.a finalman
* Olof Naess�n a.k.a jansem/yakslem
*
* Visit: http://guichan.sourceforge.net
*
* License: (BSD)
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name of Guichan nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* For comments regarding functions please see the header file.
*/
#include "guichan/widgets/tabbedarea.hpp"
#include "guichan/exception.hpp"
#include "guichan/focushandler.hpp"
#include "guichan/font.hpp"
#include "guichan/graphics.hpp"
#include "guichan/widgets/container.hpp"
#include "guichan/widgets/tab.hpp"
#include <algorithm>
namespace gcn
{
TabbedArea::TabbedArea()
:mSelectedTab(NULL),
mOpaque(false)
{
setFocusable(true);
addKeyListener(this);
addMouseListener(this);
mTabContainer = new Container();
mTabContainer->setOpaque(false);
mWidgetContainer = new Container();
add(mTabContainer);
add(mWidgetContainer);
}
TabbedArea::~TabbedArea()
{
remove(mTabContainer);
remove(mWidgetContainer);
delete mTabContainer;
delete mWidgetContainer;
for (unsigned int i = 0; i < mTabsToDelete.size(); i++)
{
delete mTabsToDelete[i];
}
}
void TabbedArea::addTab(const std::string& caption, Widget* widget)
{
Tab* tab = new Tab();
tab->setCaption(caption);
mTabsToDelete.push_back(tab);
addTab(tab, widget);
}
void TabbedArea::addTab(Tab* tab, Widget* widget)
{
tab->setTabbedArea(this);
tab->addActionListener(this);
mTabContainer->add(tab);
mTabs.push_back(std::pair<Tab*, Widget*>(tab, widget));
if (mSelectedTab == NULL)
{
setSelectedTab(tab);
}
adjustTabPositions();
adjustSize();
}
void TabbedArea::removeTabWithIndex(unsigned int index)
{
if (index >= mTabs.size())
{
throw GCN_EXCEPTION("No such tab index.");
}
removeTab(mTabs[index].first);
}
void TabbedArea::removeTab(Tab* tab)
{
int tabIndexToBeSelected = - 1;
if (tab == mSelectedTab)
{
int index = getSelectedTabIndex();
if (index == (int)mTabs.size() - 1
&& mTabs.size() >= 2)
{
tabIndexToBeSelected = index--;
}
else if (index == (int)mTabs.size() - 1
&& mTabs.size() == 1)
{
tabIndexToBeSelected = -1;
}
else
{
tabIndexToBeSelected = index;
}
}
std::vector<std::pair<Tab*, Widget*> >::iterator iter;
for (iter = mTabs.begin(); iter != mTabs.end(); iter++)
{
if (iter->first == tab)
{
mTabContainer->remove(tab);
mTabs.erase(iter);
break;
}
}
std::vector<Tab*>::iterator iter2;
for (iter2 = mTabsToDelete.begin(); iter2 != mTabsToDelete.end(); iter2++)
{
if (*iter2 == tab)
{
mTabsToDelete.erase(iter2);
delete tab;
break;
}
}
if (tabIndexToBeSelected == -1)
{
mSelectedTab = NULL;
mWidgetContainer->clear();
}
else
{
setSelectedTab(tabIndexToBeSelected);
}
adjustSize();
adjustTabPositions();
}
bool TabbedArea::isTabSelected(unsigned int index) const
{
if (index >= mTabs.size())
{
throw GCN_EXCEPTION("No such tab index.");
}
return mSelectedTab == mTabs[index].first;
}
bool TabbedArea::isTabSelected(Tab* tab)
{
return mSelectedTab == tab;
}
void TabbedArea::setSelectedTab(unsigned int index)
{
if (index >= mTabs.size())
{
throw GCN_EXCEPTION("No such tab index.");
}
setSelectedTab(mTabs[index].first);
}
void TabbedArea::setSelectedTab(Tab* tab)
{
unsigned int i;
for (i = 0; i < mTabs.size(); i++)
{
if (mTabs[i].first == mSelectedTab)
{
mWidgetContainer->remove(mTabs[i].second);
}
}
for (i = 0; i < mTabs.size(); i++)
{
if (mTabs[i].first == tab)
{
mSelectedTab = tab;
mWidgetContainer->add(mTabs[i].second);
}
}
}
int TabbedArea::getSelectedTabIndex() const
{
unsigned int i;
for (i = 0; i < mTabs.size(); i++)
{
if (mTabs[i].first == mSelectedTab)
{
return i;
}
}
return -1;
}
Tab* TabbedArea::getSelectedTab()
{
return mSelectedTab;
}
void TabbedArea::setOpaque(bool opaque)
{
mOpaque = opaque;
}
bool TabbedArea::isOpaque() const
{
return mOpaque;
}
void TabbedArea::draw(Graphics *graphics)
{
const Color &faceColor = getBaseColor();
const int alpha = getBaseColor().a;
Color highlightColor = faceColor + 0x303030;
highlightColor.a = alpha;
Color shadowColor = faceColor - 0x303030;
shadowColor.a = alpha;
// Draw a border.
graphics->setColor(highlightColor);
graphics->drawLine(0,
mTabContainer->getHeight(),
0,
getHeight() - 2);
graphics->setColor(shadowColor);
graphics->drawLine(getWidth() - 1,
mTabContainer->getHeight() + 1,
getWidth() - 1,
getHeight() - 1);
graphics->drawLine(1,
getHeight() - 1,
getWidth() - 1,
getHeight() - 1);
if (isOpaque())
{
graphics->setColor(getBaseColor());
graphics->fillRectangle(Rectangle(1, 1,
getWidth() - 2,
getHeight() - 2));
}
// Draw a line underneath the tabs.
graphics->setColor(highlightColor);
graphics->drawLine(1,
mTabContainer->getHeight(),
getWidth() - 1,
mTabContainer->getHeight());
// If a tab is selected, remove the line right underneath
// the selected tab.
if (mSelectedTab != NULL)
{
graphics->setColor(getBaseColor());
graphics->drawLine(mSelectedTab->getX() + 1,
mTabContainer->getHeight(),
mSelectedTab->getX() + mSelectedTab->getWidth() - 2,
mTabContainer->getHeight());
}
drawChildren(graphics);
}
void TabbedArea::logic()
{
}
void TabbedArea::adjustSize()
{
int maxTabHeight = 0;
for (unsigned int i = 0; i < mTabs.size(); i++)
{
if (mTabs[i].first->getHeight() > maxTabHeight)
{
maxTabHeight = mTabs[i].first->getHeight();
}
}
mTabContainer->setSize(getWidth() - 2,
maxTabHeight);
mWidgetContainer->setPosition(1, maxTabHeight + 1);
mWidgetContainer->setSize(getWidth() - 2,
getHeight() - maxTabHeight - 2);
}
void TabbedArea::adjustTabPositions()
{
int maxTabHeight = 0;
unsigned int i;
for (i = 0; i < mTabs.size(); i++)
{
if (mTabs[i].first->getHeight() > maxTabHeight)
{
maxTabHeight = mTabs[i].first->getHeight();
}
}
int x = 0;
for (i = 0; i < mTabs.size(); i++)
{
Tab* tab = mTabs[i].first;
tab->setPosition(x, maxTabHeight - tab->getHeight());
x += tab->getWidth();
}
}
void TabbedArea::setWidth(int width)
{
Widget::setWidth(width);
adjustSize();
}
void TabbedArea::setHeight(int height)
{
Widget::setHeight(height);
adjustSize();
}
void TabbedArea::setSize(int width, int height)
{
Widget::setSize(width, height);
adjustSize();
}
void TabbedArea::setDimension(const Rectangle& dimension)
{
Widget::setDimension(dimension);
adjustSize();
}
void TabbedArea::keyPressed(KeyEvent& keyEvent)
{
if (keyEvent.isConsumed() || !isFocused())
{
return;
}
if (keyEvent.getKey().getValue() == Key::LEFT)
{
int index = getSelectedTabIndex();
index--;
if (index < 0)
{
return;
}
else
{
setSelectedTab(mTabs[index].first);
}
keyEvent.consume();
}
else if (keyEvent.getKey().getValue() == Key::RIGHT)
{
int index = getSelectedTabIndex();
index++;
if (index >= (int)mTabs.size())
{
return;
}
else
{
setSelectedTab(mTabs[index].first);
}
keyEvent.consume();
}
}
void TabbedArea::mousePressed(MouseEvent& mouseEvent)
{
if (mouseEvent.isConsumed())
{
return;
}
if (mouseEvent.getButton() == MouseEvent::LEFT)
{
Widget* widget = mTabContainer->getWidgetAt(mouseEvent.getX(), mouseEvent.getY());
Tab* tab = dynamic_cast<Tab*>(widget);
if (tab != NULL)
{
setSelectedTab(tab);
}
}
// Request focus only if the source of the event
// is not focusble. If the source of the event
// is focused we don't want to steal the focus.
if (!mouseEvent.getSource()->isFocusable())
{
requestFocus();
}
}
void TabbedArea::death(const Event& event)
{
Tab* tab = dynamic_cast<Tab*>(event.getSource());
if (tab != NULL)
{
removeTab(tab);
}
else
{
BasicContainer::death(event);
}
}
void TabbedArea::action(const ActionEvent& actionEvent)
{
Widget* source = actionEvent.getSource();
Tab* tab = dynamic_cast<Tab*>(source);
if (tab == NULL)
{
throw GCN_EXCEPTION("Received an action from a widget that's not a tab!");
}
setSelectedTab(tab);
}
}
