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Refactor Enum- and DataDisplayDelegate code

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This commit is contained in:
Stanislav Bas 2015-06-16 15:39:54 +03:00
parent 0ffb2bc6bc
commit 2c1ca33a20
3 changed files with 45 additions and 56 deletions
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11
apps/opencs/view/world/datadisplaydelegate.cpp
View file

@ -62,16 +62,11 @@ void CSVWorld::DataDisplayDelegate::paint (QPainter *painter, const QStyleOption
EnumDelegate::paint(painter, option, index);
else
{
unsigned int i = 0;
for (; i < mValues.size(); ++i)
int valueIndex = getValueIndex(index);
if (valueIndex != -1)
{
if (mValues.at(i).first == index.data().toInt())
break;
paintIcon(painter, option, valueIndex);
}
if (i < mValues.size() )
paintIcon (painter, option, i);
}
painter->restore();

88
apps/opencs/view/world/enumdelegate.cpp
View file

@ -10,6 +10,24 @@
#include "../../model/world/commands.hpp"
int CSVWorld::EnumDelegate::getValueIndex(const QModelIndex &index, int role) const
{
if (index.isValid() && index.data(role).isValid())
{
int value = index.data(role).toInt();
int size = static_cast<int>(mValues.size());
for (int i = 0; i < size; ++i)
{
if (value == mValues.at(i).first)
{
return i;
}
}
}
return -1;
}
void CSVWorld::EnumDelegate::setModelDataImp (QWidget *editor, QAbstractItemModel *model,
const QModelIndex& index) const
{
@ -67,60 +85,43 @@ QWidget *CSVWorld::EnumDelegate::createEditor(QWidget *parent, const QStyleOptio
void CSVWorld::EnumDelegate::setEditorData (QWidget *editor, const QModelIndex& index, bool tryDisplay) const
{
if (QComboBox *comboBox = dynamic_cast<QComboBox *> (editor))
if (QComboBox *comboBox = dynamic_cast<QComboBox *>(editor))
{
QVariant data = index.data (Qt::EditRole);
if (tryDisplay && !data.isValid())
int role = Qt::EditRole;
if (tryDisplay && !index.data(role).isValid())
{
data = index.data (Qt::DisplayRole);
if (!data.isValid())
role = Qt::DisplayRole;
if (!index.data(role).isValid())
{
return;
}
}
int value = data.toInt();
std::size_t size = mValues.size();
for (std::size_t i=0; i<size; ++i)
if (mValues[i].first==value)
{
comboBox->setCurrentIndex (i);
break;
}
int valueIndex = getValueIndex(index, role);
if (valueIndex != -1)
{
comboBox->setCurrentIndex(valueIndex);
}
}
}
void CSVWorld::EnumDelegate::paint (QPainter *painter, const QStyleOptionViewItem& option,
const QModelIndex& index) const
{
if (index.data().isValid())
int valueIndex = getValueIndex(index);
if (valueIndex != -1)
{
QStyleOptionViewItemV4 option2 (option);
int value = index.data().toInt();
for (std::vector<std::pair<int, QString> >::const_iterator iter (mValues.begin());
iter!=mValues.end(); ++iter)
if (iter->first==value)
{
option2.text = iter->second;
QApplication::style()->drawControl (QStyle::CE_ItemViewItem, &option2, painter);
break;
}
QStyleOptionViewItemV4 itemOption(option);
itemOption.text = mValues.at(valueIndex).second;
QApplication::style()->drawControl(QStyle::CE_ItemViewItem, &itemOption, painter);
}
}
QSize CSVWorld::EnumDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
{
if (index.data().isValid())
int valueIndex = getValueIndex(index);
if (valueIndex != -1)
{
int value = index.data().toInt();
// Calculate the size hint as for a combobox.
// So, the whole text is visible (isn't elided) when the editor is created
QStyleOptionComboBox itemOption;
@ -129,20 +130,11 @@ QSize CSVWorld::EnumDelegate::sizeHint(const QStyleOptionViewItem &option, const
itemOption.rect = option.rect;
itemOption.state = option.state;
std::vector<std::pair<int, QString> >::const_iterator current = mValues.begin();
std::vector<std::pair<int, QString> >::const_iterator end = mValues.end();
for (; current != end; ++current)
{
if (current->first == value)
{
QSize valueSize = QSize(itemOption.fontMetrics.width(current->second),
itemOption.fontMetrics.height());
itemOption.currentText = current->second;
return QApplication::style()->sizeFromContents(QStyle::CT_ComboBox,
&itemOption,
valueSize);
}
}
const QString &valueText = mValues.at(valueIndex).second;
QSize valueSize = QSize(itemOption.fontMetrics.width(valueText), itemOption.fontMetrics.height());
itemOption.currentText = valueText;
return QApplication::style()->sizeFromContents(QStyle::CT_ComboBox, &itemOption, valueSize);
}
return option.rect.size();
}

2
apps/opencs/view/world/enumdelegate.hpp
View file

@ -19,6 +19,8 @@ namespace CSVWorld
std::vector<std::pair<int, QString> > mValues;
int getValueIndex(const QModelIndex &index, int role = Qt::DisplayRole) const;
private:
virtual void setModelDataImp (QWidget *editor, QAbstractItemModel *model,