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refactor widget creation for attribute dialog and table into a factor…
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…y class.

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@11154 c8812cc2-4d05-0410-92ff-de0c093fc19c
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jef committed Jul 23, 2009
1 parent c77ca6d commit 8091bba
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Showing 12 changed files with 517 additions and 681 deletions.
2 changes: 2 additions & 0 deletions src/app/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ SET(QGIS_APP_SRCS
qgsaddattrdialog.cpp
qgsattributeactiondialog.cpp
qgsattributedialog.cpp
qgsattributeeditor.cpp
qgsattributetypedialog.cpp
qgsattributetypeloaddialog.cpp
qgsbookmarkitem.cpp
Expand Down Expand Up @@ -110,6 +111,7 @@ SET (QGIS_APP_MOC_HDRS
qgsaddattrdialog.h
qgsattributeactiondialog.h
qgsattributedialog.h
qgsattributeeditor.h
qgsattributetypedialog.h
qgsattributetypeloaddialog.h
qgsbookmarks.h
Expand Down
320 changes: 34 additions & 286 deletions src/app/attributetable/qgsattributetabledelegate.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -17,185 +17,60 @@
#include <QLineEdit>
#include <QComboBox>
#include <QPainter>
#include <QCompleter>
#include <QSpinBox>
#include <QDoubleSpinBox>

#include "qgsattributetableview.h"
#include "qgsattributetablemodel.h"
#include "qgsattributetablefiltermodel.h"
#include "qgsattributetabledelegate.h"
#include "qgsvectordataprovider.h"
#include "qgsvectorlayer.h"
#include "qgsuniquevaluerenderer.h"
#include "qgssymbol.h"
#include "qgsattributeeditor.h"
#include "qgslogger.h"

QgsVectorLayer *QgsAttributeTableDelegate::layer( const QAbstractItemModel *model ) const
{
const QgsAttributeTableModel *tm = dynamic_cast<const QgsAttributeTableModel*>( model );
if ( tm )
return tm->layer();

const QgsAttributeTableFilterModel *fm = dynamic_cast<const QgsAttributeTableFilterModel*>( model );
if ( fm )
return fm->layer();

QWidget * QgsAttributeTableDelegate::createEditor(
return NULL;
}

QWidget *QgsAttributeTableDelegate::createEditor(
QWidget *parent,
const QStyleOptionViewItem &option,
const QModelIndex &index ) const
{
QWidget *editor;

const QgsAttributeTableFilterModel* fm = dynamic_cast<const QgsAttributeTableFilterModel*>( index.model() );
if ( !fm )
{
return editor;
}
const QgsAttributeTableModel* m = dynamic_cast<const QgsAttributeTableModel*>( fm->sourceModel() );
if ( !m )
{
return editor;
}

int col = index.column();
QVariant::Type type = m->layer()->dataProvider()->fields()[col].type();
QgsVectorLayer::EditType editType = m->layer()->editType(col);

//need to created correct edit widget according to edit type of value
//and fill with data from correct source
if (editType == QgsVectorLayer::LineEdit ||
editType == QgsVectorLayer::UniqueValuesEditable ||
editType == QgsVectorLayer::FileName ||
editType == QgsVectorLayer::Immutable)
{ //these are all siple edits
editor = new QLineEdit(parent);
QLineEdit* le = dynamic_cast<QLineEdit*> ( editor );
le-> setReadOnly ( false );

if ( editType == QgsVectorLayer::UniqueValuesEditable )
{ //just this value has completer
QList<QVariant> values;
m->layer()->dataProvider()->uniqueValues( col, values );

QStringList svalues;
for ( QList<QVariant>::const_iterator it = values.begin(); it != values.end(); it++ )
svalues << it->toString();

QCompleter *c = new QCompleter( svalues );
c->setCompletionMode( QCompleter::PopupCompletion );
le->setCompleter( c );
}
if (editType == QgsVectorLayer::Immutable)
{
le->setReadOnly(true);
}
//validators if value needs it
if ( type == QVariant::Int )
{
le->setValidator( new QIntValidator( le ) );
}
else if ( type == QVariant::Double )
{
le->setValidator( new QDoubleValidator( le ) );
}
}
else if (editType == QgsVectorLayer::ValueMap)
{ //simple combobox from data from vector layer
editor = new QComboBox(parent);
QComboBox* cb = dynamic_cast<QComboBox*>( editor );
QMap<QString, QVariant> &map = m->layer()->valueMap(col);
QMap<QString, QVariant>::iterator it = map.begin();
for ( ; it != map.end(); it ++)
{
cb->addItem( it.key() ,it.value());
}
}
else if (editType == QgsVectorLayer::SliderRange)
{ //horizontal slider
editor = new QSlider(Qt::Horizontal, parent);
QSlider* s = dynamic_cast<QSlider*>(editor );
QgsVectorLayer::RangeData &range = m->layer()->range(col);
s->setMinimum( range.mMin.toInt() );
s->setMaximum( range.mMax.toInt() );
s->setPageStep( range.mStep.toInt() );
}
else if (editType == QgsVectorLayer::Classification)
{
// should be prepared probably to not change it always
int classificationField = -1;
QMap<QString, QString> classes;
const QgsUniqueValueRenderer *uvr = dynamic_cast<const QgsUniqueValueRenderer *>( m->layer()->renderer() );
if ( uvr )
{
classificationField = uvr->classificationField();
const QList<QgsSymbol *> symbols = uvr->symbols();

for ( int i = 0; i < symbols.size(); i++ )
{
QString label = symbols[i]->label();
QString name = symbols[i]->lowerValue();
if ( label == "" )
label = name;
classes.insert( name, label );
}
}
editor = new QComboBox(parent);
QComboBox* cb = dynamic_cast<QComboBox*>( editor );
for ( QMap<QString, QString>::const_iterator it = classes.begin(); it != classes.end(); it++ )
{
cb->addItem( it.value(), it.key() );
}
}
else if (editType == QgsVectorLayer::UniqueValues)
{
QList<QVariant> values;
m->layer()->dataProvider()->uniqueValues( col, values );

editor = new QComboBox(parent);
QComboBox* cb = dynamic_cast<QComboBox*>( editor );
cb->setEditable( true );

for ( QList<QVariant>::iterator it = values.begin(); it != values.end(); it++ )
cb->addItem( it->toString() );

}
else if (editType == QgsVectorLayer::Enumeration)
{
QStringList enumValues;
m->layer()->dataProvider()->enumValues( col, enumValues );
QgsVectorLayer *vl = layer( index.model() );
if ( vl == NULL )
return NULL;

editor = new QComboBox(parent);
QComboBox* cb = dynamic_cast<QComboBox*>( editor );
QStringList::const_iterator s_it = enumValues.constBegin();
for ( ; s_it != enumValues.constEnd(); ++s_it )
{
cb->addItem( *s_it );
}
}
else if (editType == QgsVectorLayer::EditRange)
{
if ( type == QVariant::Int )
{
int min = m->layer()->range( col ).mMin.toInt();
int max = m->layer()->range( col ).mMax.toInt();
int step = m->layer()->range( col ).mStep.toInt();
editor = new QSpinBox(parent);
QSpinBox* sb = dynamic_cast<QSpinBox*>( editor );
QWidget *widget = QgsAttributeEditor::createAttributeEditor( parent, vl, index.column(), index.model()->data( index ) );
widget->adjustSize();

sb->setRange( min, max );
sb->setSingleStep( step );
QgsAttributeTableView *tv = dynamic_cast<QgsAttributeTableView *>( parent->parentWidget() );
tv->setRowHeight( index.row(), widget->height() );
tv->setColumnWidth( index.column(), widget->width() );

}
else if ( type == QVariant::Double )
{
double min = m->layer()->range( col ).mMin.toDouble();
double max = m->layer()->range( col ).mMax.toDouble();
double step = m->layer()->range( col ).mStep.toDouble();
editor = new QDoubleSpinBox(parent);
QDoubleSpinBox* dsb = dynamic_cast<QDoubleSpinBox*>( editor );
return widget;
}

dsb->setRange( min, max );
dsb->setSingleStep( step );
}
}
void QgsAttributeTableDelegate::setModelData( QWidget *editor, QAbstractItemModel *model, const QModelIndex &index ) const
{
QgsVectorLayer *vl = layer( index.model() );
if ( vl == NULL )
return;

QVariant value;
if ( !QgsAttributeEditor::retrieveValue( editor, vl, index.column(), value ) )
return;

return editor;
model->setData( index, value );
}


void QgsAttributeTableDelegate::paint( QPainter * painter,
const QStyleOptionViewItem & option,
const QModelIndex & index ) const
Expand All @@ -212,130 +87,3 @@ void QgsAttributeTableDelegate::paint( QPainter * painter,
painter->restore();
}
}


void QgsAttributeTableDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const
{


const QgsAttributeTableFilterModel* fm = dynamic_cast<const QgsAttributeTableFilterModel*>( index.model() );
if ( !fm )
{
return;
}
const QgsAttributeTableModel* m = dynamic_cast<const QgsAttributeTableModel*>( fm->sourceModel() );
if ( !m )
{
return;
}
int col = index.column();
QVariant::Type type = m->layer()->dataProvider()->fields()[col].type();
QgsVectorLayer::EditType editType = m->layer()->editType(col);
if (editType == QgsVectorLayer::LineEdit ||
editType == QgsVectorLayer::UniqueValuesEditable ||
editType == QgsVectorLayer::FileName ||
editType == QgsVectorLayer::Immutable)
{
QString qs = index.model()->data(index, Qt::DisplayRole).toString();

QLineEdit* le = dynamic_cast<QLineEdit*> ( editor );
le->setText( qs );
}
else if (editType == QgsVectorLayer::ValueMap ||
editType == QgsVectorLayer::Classification ||
editType == QgsVectorLayer::UniqueValues ||
editType == QgsVectorLayer::Enumeration)
{
QComboBox* cb = dynamic_cast<QComboBox*>( editor );
QVariant qs = index.model()->data(index, Qt::EditRole);
int cbIndex = cb->findData(qs);
if (cbIndex > -1)
{
cb->setCurrentIndex(cbIndex);
}
}
else if (editType == QgsVectorLayer::SliderRange)
{
int value = index.model()->data(index, Qt::EditRole).toInt();
QSlider* s = dynamic_cast<QSlider*>( editor );
s->setValue( value );
}
else if (editType == QgsVectorLayer::EditRange)
{
if ( type == QVariant::Int )
{
QSpinBox* sb = dynamic_cast<QSpinBox*>( editor );
int value = index.model()->data(index, Qt::EditRole).toInt();
sb->setValue( value );
}
else if ( type == QVariant::Double )
{
QDoubleSpinBox* sb = dynamic_cast<QDoubleSpinBox*>( editor );
double value = index.model()->data(index, Qt::EditRole).toDouble();
sb->setValue( value );
}
}
}



void QgsAttributeTableDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
{
const QgsAttributeTableFilterModel* fm = dynamic_cast<const QgsAttributeTableFilterModel*>( index.model() );
if ( !fm )
{
return;
}
const QgsAttributeTableModel* m = dynamic_cast<const QgsAttributeTableModel*>( fm->sourceModel() );
if ( !m )
{
return;
}

int col = index.column();
QVariant::Type type = m->layer()->dataProvider()->fields()[col].type();
QgsVectorLayer::EditType editType = m->layer()->editType(col);
if (editType == QgsVectorLayer::LineEdit ||
editType == QgsVectorLayer::UniqueValuesEditable ||
editType == QgsVectorLayer::FileName ||
editType == QgsVectorLayer::Immutable)
{
QLineEdit* le = dynamic_cast<QLineEdit*> ( editor );
QString text = le->text();
QVariant value = QVariant (text);
model->setData( index, value );
}
else if (editType == QgsVectorLayer::ValueMap ||
editType == QgsVectorLayer::Classification ||
editType == QgsVectorLayer::UniqueValues ||
editType == QgsVectorLayer::Enumeration)
{
QComboBox* cb = dynamic_cast<QComboBox*>( editor );
model->setData(index, cb->itemData(cb->currentIndex()));
}
else if (editType == QgsVectorLayer::SliderRange)
{
QSlider* s = dynamic_cast<QSlider*>( editor );
model->setData( index, s->value() );
}
else if (editType == QgsVectorLayer::EditRange)
{
if ( type == QVariant::Int )
{
QSpinBox* sb = dynamic_cast<QSpinBox*>( editor );
model->setData( index, sb->value() );
}
else if ( type == QVariant::Double )
{
QDoubleSpinBox* sb = dynamic_cast<QDoubleSpinBox*>( editor );
model->setData( index, sb->value() );
}
}
}







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