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reorganized labeling dialog in vision of new placement methods :)

git-svn-id: http://svn.osgeo.org/qgis/branches/symbology-ng-branch@11027 c8812cc2-4d05-0410-92ff-de0c093fc19c
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wonder
wonder committed Jul 5, 2009
1 parent 01a2b38 commit 2f56ea69a0b146475a8a267c2cb5e337feaf6400
@@ -44,19 +44,64 @@ LabelingGui::LabelingGui( PalLabeling* lbl, QString layerId, QWidget* parent )
connect(spinBufferSize, SIGNAL(valueChanged(int)), this, SLOT(updatePreview()) );
connect(btnEngineSettings, SIGNAL(clicked()), this, SLOT(showEngineConfigDialog()) );

populatePlacementMethods();
// set placement methods page based on geometry type
switch (layer()->geometryType())
{
case QGis::Point:
stackedPlacement->setCurrentWidget(pagePoint);
break;
case QGis::Line:
stackedPlacement->setCurrentWidget(pageLine);
break;
case QGis::Polygon:
stackedPlacement->setCurrentWidget(pagePolygon);
break;
default:
Q_ASSERT(0 && "NOOOO!");
}

populateFieldNames();

const LayerSettings& lyr = lbl->layer(layerId);
if (!lyr.layerId.isEmpty())
{
// load the labeling settings
cboPlacement->setCurrentIndex( cboPlacement->findData( QVariant( (int)lyr.placement ) ) );

// placement
switch (lyr.placement)
{
case LayerSettings::AroundPoint:
radAroundPoint->setChecked(true);
radAroundCentroid->setChecked(true);
spinDistPoint->setValue(lyr.dist);
//spinAngle->setValue(lyr.angle);
break;
case LayerSettings::AroundLine:
case LayerSettings::OnLine:
radLineParallel->setChecked(true);
radPolygonPerimeter->setChecked(true);
if ( lyr.placement == LayerSettings::AroundLine )
{
radAroundLine->setChecked(true);
spinDistLine->setValue(lyr.dist);
}
else
radOnLine->setChecked(true);
break;
case LayerSettings::Horizontal:
radPolygonHorizontal->setChecked(true);
break;
case LayerSettings::Free:
radPolygonFree->setChecked(true);
break;
default:
Q_ASSERT(0 && "NOOO!");
}

cboFieldName->setCurrentIndex( cboFieldName->findText(lyr.fieldName) );
chkEnableLabeling->setChecked( lyr.enabled );
sliderPriority->setValue( lyr.priority );
chkNoObstacle->setChecked( !lyr.obstacle );
spinDist->setValue( lyr.dist );

bool scaleBased = (lyr.scaleMin != 0 && lyr.scaleMax != 0);
chkScaleBasedVisibility->setChecked(scaleBased);
@@ -78,19 +123,24 @@ LabelingGui::LabelingGui( PalLabeling* lbl, QString layerId, QWidget* parent )

}

// feature distance available only for points and lines
if (layer()->geometryType() == QGis::Polygon)
{
spinDist->setEnabled( false );
}

btnTextColor->setColor( lyr.textColor );
btnBufferColor->setColor( lyr.bufferColor );
updateFont( lyr.textFont );
updateUi();

updateOptions();

connect(chkBuffer, SIGNAL(toggled(bool)), this, SLOT(updateUi()) );
connect(chkScaleBasedVisibility, SIGNAL(toggled(bool)), this, SLOT(updateUi()) );

// setup connection to changes in the placement
QRadioButton* placementRadios[] = {
radAroundPoint, radOverPoint, // point
radLineParallel, radLineHorizontal, // line
radAroundCentroid, radPolygonHorizontal, radPolygonFree, radPolygonPerimeter // polygon
};
for (int i = 0; i < sizeof(placementRadios)/sizeof(QRadioButton*); i++)
connect( placementRadios[i], SIGNAL(toggled(bool)), this, SLOT(updateOptions()) );
}

LabelingGui::~LabelingGui()
@@ -110,13 +160,44 @@ LayerSettings LabelingGui::layerSettings()
LayerSettings lyr;
lyr.layerId = mLayerId;
lyr.fieldName = cboFieldName->currentText();
lyr.placement = (LayerSettings::Placement) cboPlacement->itemData(cboPlacement->currentIndex()).toInt();

lyr.dist = 0;

if ( (stackedPlacement->currentWidget() == pagePoint && radAroundPoint->isChecked())
|| (stackedPlacement->currentWidget() == pagePolygon && radAroundCentroid->isChecked()) )
{
lyr.placement = LayerSettings::AroundPoint;
lyr.dist = spinDistPoint->value();
//lyr.angle = spinAngle->value();
}
else if ( (stackedPlacement->currentWidget() == pageLine && radLineParallel->isChecked())
|| (stackedPlacement->currentWidget() == pagePolygon && radPolygonPerimeter->isChecked()) )
{
if (radAroundLine->isChecked())
{
lyr.placement = LayerSettings::AroundLine;
lyr.dist = spinDistLine->value();
}
else
lyr.placement = LayerSettings::OnLine;
}
else
{
// this must be polygon - horizontal / free
if (radPolygonHorizontal->isChecked())
lyr.placement = LayerSettings::Horizontal;
else if (radPolygonFree->isChecked())
lyr.placement = LayerSettings::Free;
else
Q_ASSERT(0 && "NOOO!");
}


lyr.textColor = btnTextColor->color();
lyr.textFont = lblFontPreview->font();
lyr.enabled = chkEnableLabeling->isChecked();
lyr.priority = sliderPriority->value();
lyr.obstacle = !chkNoObstacle->isChecked();
lyr.dist = spinDist->value();
if (chkScaleBasedVisibility->isChecked())
{
lyr.scaleMin = spinScaleMin->value();
@@ -139,26 +220,6 @@ LayerSettings LabelingGui::layerSettings()
return lyr;
}

void LabelingGui::populatePlacementMethods()
{
switch (layer()->geometryType())
{
case QGis::Point:
cboPlacement->addItem(tr("Around the point"), QVariant(LayerSettings::AroundPoint));
break;
case QGis::Line:
cboPlacement->addItem(tr("On the line"), QVariant(LayerSettings::OnLine));
cboPlacement->addItem(tr("Around the line"), QVariant(LayerSettings::AroundLine));
break;
case QGis::Polygon:
cboPlacement->addItem(tr("Horizontal"), QVariant(LayerSettings::Horizontal));
cboPlacement->addItem(tr("Free"), QVariant(LayerSettings::Free));
cboPlacement->addItem(tr("Around the centroid"), QVariant(LayerSettings::AroundPoint));
cboPlacement->addItem(tr("On the perimeter"), QVariant(LayerSettings::OnLine));
cboPlacement->addItem(tr("Around the perimeter"), QVariant(LayerSettings::AroundLine));
break;
}
}

void LabelingGui::populateFieldNames()
{
@@ -231,3 +292,21 @@ void LabelingGui::changeBufferColor()
btnBufferColor->setColor(color);
updatePreview();
}

void LabelingGui::updateOptions()
{
if ( (stackedPlacement->currentWidget() == pagePoint && radAroundPoint->isChecked())
|| (stackedPlacement->currentWidget() == pagePolygon && radAroundCentroid->isChecked()) )
{
stackedOptions->setCurrentWidget(pageOptionsPoint);
}
else if ( (stackedPlacement->currentWidget() == pageLine && radLineParallel->isChecked())
|| (stackedPlacement->currentWidget() == pagePolygon && radPolygonPerimeter->isChecked()) )
{
stackedOptions->setCurrentWidget(pageOptionsLine);
}
else
{
stackedOptions->setCurrentWidget(pageOptionsEmpty);
}
}
@@ -45,6 +45,7 @@ class LabelingGui : public QDialog, private Ui::LabelingGuiBase

void updateUi();
void updatePreview();
void updateOptions();

protected:
void populatePlacementMethods();

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