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copy pasted a lot of code required for the widget from symbol selecto…

…r; status - Compiles
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tecoholic committed Jul 9, 2012
1 parent 1e80592 commit 1d770bf9af7ae4ebdab57aab6e01bf0e33c03ad2
@@ -30,6 +30,7 @@ symbology-ng/qgsstylev2exportimportdialog.cpp
symbology-ng/qgsellipsesymbollayerv2widget.cpp
symbology-ng/qgspointdisplacementrendererwidget.cpp
symbology-ng/qgsvectorfieldsymbollayerwidget.cpp
symbology-ng/qgssymbolslistwidget.cpp

attributetable/qgsattributetablemodel.cpp
attributetable/qgsattributetablememorymodel.cpp
@@ -124,6 +125,7 @@ symbology-ng/qgsstylev2exportimportdialog.h
symbology-ng/qgsellipsesymbollayerv2widget.h
symbology-ng/qgspointdisplacementrendererwidget.h
symbology-ng/qgsvectorfieldsymbollayerwidget.h
symbology-ng/qgssymbolslistwidget.h

attributetable/qgsattributetableview.h
attributetable/qgsattributetablemodel.h
@@ -0,0 +1,277 @@
/***************************************************************************
qgssymbolslist.cpp
---------------------
begin : June 2012
copyright : (C) 2012 by Arunmozhi
email : aruntheguy at gmail.com
***************************************************************************
* *
* 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 *
* (at your option) any later version. *
* *
***************************************************************************/


#include "qgssymbolslistwidget.h"

#include "qgsstylev2managerdialog.h"

#include "qgssymbolv2.h"
#include "qgsstylev2.h"
#include "qgssymbollayerv2utils.h"

#include "qgsapplication.h"

#include <QString>
#include <QStringList>
#include <QPainter>
#include <QIcon>
#include <QStandardItemModel>
#include <QColorDialog>
#include <QInputDialog>
#include <QMessageBox>
#include <QMenu>


QgsSymbolsListWidget::QgsSymbolsListWidget( QgsSymbolV2* symbol, QgsStyleV2* style, QWidget* parent ) : QWidget( parent )
{
mSymbol = symbol;
mStyle = style;

setupUi( this );

btnAdvanced->hide(); // advanced button is hidden by default

QStandardItemModel* model = new QStandardItemModel( viewSymbols );
viewSymbols->setModel( model );
//connect( viewSymbols, SIGNAL( clicked( const QModelIndex & ) ), this, SLOT( setSymbolFromStyle( const QModelIndex & ) ) );

connect( btnStyleManager, SIGNAL( clicked() ), SLOT( openStyleManager() ) );
lblSymbolName->setText( "" );
populateSymbolView();

if ( mSymbol )
{
// output unit
mSymbolUnitComboBox->blockSignals( true );
mSymbolUnitComboBox->setCurrentIndex( mSymbol->outputUnit() );
mSymbolUnitComboBox->blockSignals( false );

mTransparencySlider->blockSignals( true );
double transparency = 1 - symbol->alpha();
mTransparencySlider->setValue( transparency * 255 );
displayTransparency( symbol->alpha() );
mTransparencySlider->blockSignals( false );
}

// select correct page in stacked widget
// there's a correspondence between symbol type number and page numbering => exploit it!
stackedWidget->setCurrentIndex( symbol->type() );
connect( btnColor, SIGNAL( clicked() ), this, SLOT( setSymbolColor() ) );
connect( spinAngle, SIGNAL( valueChanged( double ) ), this, SLOT( setMarkerAngle( double ) ) );
connect( spinSize, SIGNAL( valueChanged( double ) ), this, SLOT( setMarkerSize( double ) ) );
connect( spinWidth, SIGNAL( valueChanged( double ) ), this, SLOT( setLineWidth( double ) ) );

connect( btnAddToStyle, SIGNAL( clicked() ), this, SLOT( addSymbolToStyle() ) );
btnAddToStyle->setIcon( QIcon( QgsApplication::defaultThemePath() + "symbologyAdd.png" ) );

}


void QgsSymbolsListWidget::populateSymbolView()
{
QSize previewSize = viewSymbols->iconSize();
QPixmap p( previewSize );
QPainter painter;

QStandardItemModel* model = qobject_cast<QStandardItemModel*>( viewSymbols->model() );
if ( !model )
{
return;
}
model->clear();

QStringList names = mStyle->symbolNames();
for ( int i = 0; i < names.count(); i++ )
{
QgsSymbolV2* s = mStyle->symbol( names[i] );
if ( s->type() != mSymbol->type() )
{
delete s;
continue;
}
QStandardItem* item = new QStandardItem( names[i] );
item->setData( names[i], Qt::UserRole ); //so we can show a label when it is clicked
item->setText( "" ); //set the text to nothing and show in label when clicked rather
item->setFlags( Qt::ItemIsEnabled | Qt::ItemIsSelectable );
// create preview icon
QIcon icon = QgsSymbolLayerV2Utils::symbolPreviewIcon( s, previewSize );
item->setIcon( icon );
// add to model
model->appendRow( item );
delete s;
}
}

void QgsSymbolsListWidget::openStyleManager()
{
QgsStyleV2ManagerDialog dlg( mStyle, this );
dlg.exec();

populateSymbolView();
}

void QgsSymbolsListWidget::setSymbolColor()
{
#if defined(Q_WS_MAC) && QT_VERSION >= 0x040500 && defined(QT_MAC_USE_COCOA)
// Native Mac dialog works only for Qt Carbon
// Qt bug: http://bugreports.qt.nokia.com/browse/QTBUG-14889
// FIXME need to also check max QT_VERSION when Qt bug fixed
QColor color = QColorDialog::getColor( mSymbol->color(), this, "", QColorDialog::DontUseNativeDialog );
#else
QColor color = QColorDialog::getColor( mSymbol->color(), this );
#endif
if ( !color.isValid() )
return;

mSymbol->setColor( color );
updateSymbolColor();
emit changed();
}

void QgsSymbolsListWidget::setMarkerAngle( double angle )
{
QgsMarkerSymbolV2* markerSymbol = static_cast<QgsMarkerSymbolV2*>( mSymbol );
if ( markerSymbol->angle() == angle )
return;
markerSymbol->setAngle( angle );
emit changed();
}

void QgsSymbolsListWidget::setMarkerSize( double size )
{
QgsMarkerSymbolV2* markerSymbol = static_cast<QgsMarkerSymbolV2*>( mSymbol );
if ( markerSymbol->size() == size )
return;
markerSymbol->setSize( size );
emit changed();
}

void QgsSymbolsListWidget::setLineWidth( double width )
{
QgsLineSymbolV2* lineSymbol = static_cast<QgsLineSymbolV2*>( mSymbol );
if ( lineSymbol->width() == width )
return;
lineSymbol->setWidth( width );
emit changed();
}

void QgsSymbolsListWidget::addSymbolToStyle()
{
bool ok;
QString name = QInputDialog::getText( this, tr( "Symbol name" ),
tr( "Please enter name for the symbol:" ) , QLineEdit::Normal, tr( "New symbol" ), &ok );
if ( !ok || name.isEmpty() )
return;

// check if there is no symbol with same name
if ( mStyle->symbolNames().contains( name ) )
{
int res = QMessageBox::warning( this, tr( "Save symbol" ),
tr( "Symbol with name '%1' already exists. Overwrite?" )
.arg( name ),
QMessageBox::Yes | QMessageBox::No );
if ( res != QMessageBox::Yes )
{
return;
}
}

// add new symbol to style and re-populate the list
mStyle->addSymbol( name, mSymbol->clone() );

// make sure the symbol is stored
mStyle->save();

populateSymbolView();
}

void QgsSymbolsListWidget::on_mSymbolUnitComboBox_currentIndexChanged( const QString & text )
{
Q_UNUSED( text );
if ( mSymbol )
{
mSymbol->setOutputUnit(( QgsSymbolV2::OutputUnit ) mSymbolUnitComboBox->currentIndex() );

emit changed();
}
}

void QgsSymbolsListWidget::on_mTransparencySlider_valueChanged( int value )
{
if ( mSymbol )
{
double alpha = 1 - ( value / 255.0 );
mSymbol->setAlpha( alpha );
displayTransparency( alpha );
emit changed();
}
}

void QgsSymbolsListWidget::displayTransparency( double alpha )
{
double transparencyPercent = ( 1 - alpha ) * 100;
mTransparencyLabel->setText( tr( "Transparency %1%" ).arg(( int ) transparencyPercent ) );
}

void QgsSymbolsListWidget::updateSymbolColor()
{
btnColor->setColor( mSymbol->color() );
}

void QgsSymbolsListWidget::updateSymbolInfo()
{
updateSymbolColor();

if ( mSymbol->type() == QgsSymbolV2::Marker )
{
QgsMarkerSymbolV2* markerSymbol = static_cast<QgsMarkerSymbolV2*>( mSymbol );
spinSize->setValue( markerSymbol->size() );
spinAngle->setValue( markerSymbol->angle() );
}
else if ( mSymbol->type() == QgsSymbolV2::Line )
{
QgsLineSymbolV2* lineSymbol = static_cast<QgsLineSymbolV2*>( mSymbol );
spinWidth->setValue( lineSymbol->width() );
}
}

void QgsSymbolsListWidget::setSymbolFromStyle( const QModelIndex & index )
{
QString symbolName = index.data( Qt::UserRole ).toString();
lblSymbolName->setText( symbolName );
// get new instance of symbol from style
QgsSymbolV2* s = mStyle->symbol( symbolName );
// remove all symbol layers from original symbol
while ( mSymbol->symbolLayerCount() )
mSymbol->deleteSymbolLayer( 0 );
// move all symbol layers to our symbol
while ( s->symbolLayerCount() )
{
QgsSymbolLayerV2* sl = s->takeSymbolLayer( 0 );
mSymbol->appendSymbolLayer( sl );
}
// delete the temporary symbol
delete s;

updateSymbolInfo();
emit changed();
}






@@ -0,0 +1,75 @@
/***************************************************************************
qgssymbolslistwidget.h
---------------------
begin : June 2012
copyright : (C) 2012 by Arunmozhi
email : aruntheguy at gmail.com
***************************************************************************
* *
* 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 *
* (at your option) any later version. *
* *
***************************************************************************/

#ifndef QGSSYMBOLSLISTWIDGET_H
#define QGSSYMBOLSLISTWIDGET_H

#include "ui_widget_symbolslist.h"

#include <QWidget>

class QgsSymbolV2;
class QgsStyleV2;
class QgsVectorLayer;

class QMenu;

class GUI_EXPORT QgsSymbolsListWidget : public QWidget, private Ui::WidgetSymbolsList
{
Q_OBJECT

public:
QgsSymbolsListWidget( QgsSymbolV2* symbol, QgsStyleV2* style, QWidget* parent = NULL );

// static QgsSymbolLayerV2Widget* create( const QgsVectorLayer* vl ) { return new QgsVectorFieldSymbolLayerWidget( vl ); }

//! return menu for "advanced" button - create it if doesn't exist and show the advanced button
QMenu* advancedMenu();

public slots:
void setSymbolFromStyle( const QModelIndex & index );
void setSymbolColor();
void setMarkerAngle( double angle );
void setMarkerSize( double size );
void setLineWidth( double width );
void addSymbolToStyle();
void on_mSymbolUnitComboBox_currentIndexChanged( const QString & text );
void on_mTransparencySlider_valueChanged( int value );

void openStyleManager();

signals:
void changed();

protected:
QgsSymbolV2* mSymbol;
QgsStyleV2* mStyle;
QMenu* mAdvancedMenu;
const QgsVectorLayer* mVectorLayer;

void populateSymbolView();
void updateSymbolColor();
void updateSymbolInfo();

private:
/**Displays alpha value as transparency in mTransparencyLabel*/
void displayTransparency( double alpha );


};

#endif //QGSSYMBOLSLISTWIDGET_H


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