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/*
* The ManaPlus Client
* Copyright (C) 2011-2014 The ManaPlus Developers
*
* This file is part of The ManaPlus Client.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "gui/widgets/sliderlist.h"
#include "gui/font.h"
#include "gui/gui.h"
#include "gui/models/listmodel.h"
#include "gui/widgets/button.h"
#include "gui/widgets/label.h"
#include "debug.h"
static const int buttonWidth = 27;
static const int buttonSpace = 30;
static const int sliderHeight = 30;
SliderList::SliderList(const Widget2 *const widget,
ListModel *const listModel) :
Container(widget),
ActionListener(),
MouseListener(),
mLabel(new Label(this)),
mListModel(listModel),
mPrevEventId(),
mNextEventId(),
mOldWidth(0),
mSelectedIndex(0)
{
setHeight(sliderHeight);
}
void SliderList::postInit(ActionListener *const listener,
const std::string &eventId)
{
mPrevEventId = eventId + "_prev";
mNextEventId = eventId + "_next";
mButtons[0] = new Button(this, "<", mPrevEventId, this);
mButtons[1] = new Button(this, ">", mNextEventId, this);
add(mButtons[0]);
add(mLabel);
add(mButtons[1]);
if (!eventId.empty())
setActionEventId(eventId);
if (listener)
addActionListener(listener);
updateLabel();
addMouseListener(this);
}
SliderList::~SliderList()
{
}
void SliderList::updateAlpha()
{
Button::updateAlpha();
}
void SliderList::mouseWheelMovedUp(MouseEvent& mouseEvent)
{
setSelected(mSelectedIndex - 1);
mouseEvent.consume();
}
void SliderList::mouseWheelMovedDown(MouseEvent& mouseEvent)
{
setSelected(mSelectedIndex + 1);
mouseEvent.consume();
}
void SliderList::resize()
{
const int width = getWidth();
mButtons[0]->setWidth(buttonWidth);
mLabel->setWidth(width - buttonSpace * 2);
mButtons[1]->setPosition(width - buttonSpace + 3, 0);
mButtons[1]->setWidth(buttonWidth);
updateLabel();
}
void SliderList::draw(Graphics *graphics)
{
BLOCK_START("SliderList::draw")
const int width = mDimension.width;
if (mOldWidth != width)
{
resize();
mOldWidth = width;
}
Container::draw(graphics);
BLOCK_END("SliderList::draw")
}
void SliderList::updateLabel()
{
if (!mListModel || mSelectedIndex < 0
|| mSelectedIndex >= mListModel->getNumberOfElements())
{
return;
}
mLabel->setCaption(mListModel->getElementAt(mSelectedIndex));
mLabel->adjustSize();
const int space = mDimension.width - buttonSpace * 2;
const int labelWidth = mLabel->getWidth();
int labelY = (mDimension.height - mLabel->getHeight()) / 2;
if (labelY < 0)
labelY = 0;
if (space < 0 || space < labelWidth)
mLabel->setPosition(buttonSpace, labelY);
else
mLabel->setPosition(buttonSpace + (space - labelWidth) / 2, labelY);
}
void SliderList::action(const ActionEvent &event)
{
if (!mListModel)
return;
const std::string &eventId = event.getId();
if (eventId == mPrevEventId)
{
mSelectedIndex --;
if (mSelectedIndex < 0)
mSelectedIndex = mListModel->getNumberOfElements() - 1;
}
else if (eventId == mNextEventId)
{
mSelectedIndex ++;
if (mSelectedIndex >= mListModel->getNumberOfElements())
mSelectedIndex = 0;
}
updateLabel();
distributeActionEvent();
}
void SliderList::setSelectedString(const std::string &str)
{
if (!mListModel)
return;
for (int f = 0; f < mListModel->getNumberOfElements(); f ++)
{
if (mListModel->getElementAt(f) == str)
{
setSelected(f);
break;
}
}
}
std::string SliderList::getSelectedString() const
{
if (!mListModel)
return std::string();
return mListModel->getElementAt(mSelectedIndex);
}
void SliderList::setSelected(const int idx)
{
if (!mListModel)
return;
mSelectedIndex = idx;
const int num = mListModel->getNumberOfElements();
if (mSelectedIndex >= num)
mSelectedIndex = 0;
if (mSelectedIndex < 0)
mSelectedIndex = num - 1;
updateLabel();
}
void SliderList::adjustSize()
{
setWidth(getMaxLabelWidth() + 60);
updateLabel();
}
int SliderList::getMaxLabelWidth() const
{
if (!mListModel || !gui)
return 1;
int maxWidth = 0;
const Font *const font = getFont();
const int num = mListModel->getNumberOfElements();
for (int f = 0; f < num; f ++)
{
const int w = font->getWidth(mListModel->getElementAt(f));
if (w > maxWidth)
maxWidth = w;
}
return maxWidth;
}
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