sharpetronics/QGIS
1
0
Fork 0
mirror of https://github.com/qgis/QGIS.git synced 2025-10-15 00:02:52 -04:00
Code Issues Packages Projects Releases Wiki Activity

graduated dialogs keep settings now if classification field or classification mode are changed

Browse Source 
git-svn-id: http://svn.osgeo.org/qgis/trunk@1407 c8812cc2-4d05-0410-92ff-de0c093fc19c
This commit is contained in:
mhugent 2004-05-15 14:30:05 +00:00
parent c2fd2985d3
commit 0936e4304e
8 changed files with 140 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
src/qgsgramadialog.cpp
View File

@ -111,8 +111,8 @@ QgsGraMaDialog::QgsGraMaDialog(QgsVectorLayer* layer): QgsGraMaDialogBase(), ext
//do the necessary signal/slot connections
QObject::connect(mNumberOfClassesSpinbox, SIGNAL(valueChanged(int)), this, SLOT(adjustNumberOfClasses()));
QObject::connect(mClassificationComboBox, SIGNAL(activated(int)), this, SLOT(adjustNumberOfClasses()));
QObject::connect(mModeComboBox, SIGNAL(activated(int)), this, SLOT(adjustNumberOfClasses()));
QObject::connect(mClassificationComboBox, SIGNAL(activated(int)), this, SLOT(adjustClassification()));
QObject::connect(mModeComboBox, SIGNAL(activated(int)), this, SLOT(adjustClassification()));
}
QgsGraMaDialog::QgsGraMaDialog()
@ -358,3 +358,29 @@ void QgsGraMaDialog::adjustNumberOfClasses()
QgsGraMaDialogBaseLayout->addMultiCellWidget(ext, 5, 5, 0, 3);
ext->show();
}
void QgsGraMaDialog::adjustClassification()
{
//find out the number of the classification field
QString fieldstring = mClassificationComboBox->currentText();
if (fieldstring.isEmpty()) //don't do anything, it there is no classification field
{
show();
return;
}
std::map < QString, int >::iterator iter = mFieldMap.find(fieldstring);
int field = iter->second;
if(ext)
{
if (mModeComboBox->currentText() == "Empty")
{
ext->setClassification(QgsGraSyDialog::EMPTY,field);
}
else if(mModeComboBox->currentText() == "Equal Interval")
{
ext->setClassification(QgsGraSyDialog::EQUAL_INTERVAL,field);
}
}
}

4
src/qgsgramadialog.h
View File

@ -42,7 +42,9 @@ public slots:
void apply();
protected slots:
/**Creates a new extension widget*/
void adjustNumberOfClasses();
void adjustNumberOfClasses();
/**Tells the extensionwidget to change the values of the lower and upper text fields*/
void adjustClassification();
private:
/**Default constructor is privat to not use is*/
QgsGraMaDialog();

39
src/qgsgramaextensionwidget.cpp
View File

@ -118,8 +118,6 @@ QgsGraMaExtensionWidget::QgsGraMaExtensionWidget(QWidget* parent, int classfield
}
addChild(mWidget);
//resizeContents(200,50*(mNumberOfClasses+1));
//updateContents();
}
@ -220,3 +218,40 @@ void QgsGraMaExtensionWidget::handleReturnPressed()
}
adjustMarker(indexnumber);
}
void QgsGraMaExtensionWidget::setClassification(QgsGraSyDialog::mode mode, int field)
{
mClassField=field;
mMode=mode;
QgsDataProvider *provider=mVectorLayer->getDataProvider();
if (provider)
{
if (mMode == QgsGraSyDialog::EQUAL_INTERVAL)
{
double minimum=0;
double maximum=0;
minimum = provider->minValue(mClassField).toDouble();
maximum = provider->maxValue(mClassField).toDouble();
for(int i=0;i<mNumberOfClasses;++i)
{
((QLineEdit*)getWidget(0,i))->setText(QString::number(minimum + (maximum - minimum) / mNumberOfClasses * i, 'f', 2));
((QLineEdit*)getWidget(1,i))->setText(QString::number(minimum + (maximum - minimum) / mNumberOfClasses * (i+1), 'f', 2));
}
}
else if (mMode == QgsGraSyDialog::EMPTY) //don't waste performance if mMode is QgsGraSyDialog::EMPTY
{
for(int i=0;i<mNumberOfClasses;++i)
{
((QLineEdit*)getWidget(0,i))->clear();
((QLineEdit*)getWidget(1,i))->clear();
}
}
}
}

2
src/qgsgramaextensionwidget.h
View File

@ -47,6 +47,8 @@ class QgsGraMaExtensionWidget: public QScrollView
void adjustMarkers();
/**Adjusts the marker size in one row*/
void adjustMarker(int row);
/**Changes the classification*/
void setClassification(QgsGraSyDialog::mode mode,int field);
protected:
/**Number of the field to classify*/

30
src/qgsgrasydialog.cpp
View File

@ -137,8 +137,8 @@ QgsGraSyDialog::QgsGraSyDialog(QgsVectorLayer * layer):QgsGraSyDialogBase(), ext
//do the necessary signal/slot connections
QObject::connect(numberofclassesspinbox, SIGNAL(valueChanged(int)), this, SLOT(adjustNumberOfClasses()));
QObject::connect(classificationComboBox, SIGNAL(activated(int)), this, SLOT(adjustNumberOfClasses()));
QObject::connect(modeComboBox, SIGNAL(activated(int)), this, SLOT(adjustNumberOfClasses()));
QObject::connect(classificationComboBox, SIGNAL(activated(int)), this, SLOT(adjustClassification()));
QObject::connect(modeComboBox, SIGNAL(activated(int)), this, SLOT(adjustClassification()));
}
QgsGraSyDialog::QgsGraSyDialog()
@ -384,3 +384,29 @@ void QgsGraSyDialog::apply()
}
}
void QgsGraSyDialog::adjustClassification()
{
//find out the number of the classification field
QString fieldstring = classificationComboBox->currentText();
if (fieldstring.isEmpty()) //don't do anything, it there is no classification field
{
show();
return;
}
std::map < QString, int >::iterator iter = mFieldMap.find(fieldstring);
int field = iter->second;
if(ext)
{
if (modeComboBox->currentText() == "Empty")
{
ext->setClassification(QgsGraSyDialog::EMPTY,field);
}
else if(modeComboBox->currentText() == "Equal Interval")
{
ext->setClassification(QgsGraSyDialog::EQUAL_INTERVAL,field);
}
}
}

2
src/qgsgrasydialog.h
View File

@ -39,6 +39,8 @@ class QgsGraSyDialog: public QgsGraSyDialogBase
protected slots:
/**Creates a new extension widget*/
void adjustNumberOfClasses();
/**Tells the extensionwidget to change the values of the lower and upper text fields*/
void adjustClassification();
protected:
/**Pointer to the curret extension widget*/
QgsGraSyExtensionWidget* ext;

38
src/qgsgrasyextensionwidget.cpp
View File

@ -257,3 +257,41 @@ void QgsGraSyExtensionWidget::selectOutlineStyle()
((QPushButton *) sender())->setPixmap(QgsSymbologyUtils::penStyle2Pixmap(linestyledialog.style()));
}
}
void QgsGraSyExtensionWidget::setClassification(QgsGraSyDialog::mode mode,int field)
{
double minimum=0;
double maximum=0;
m_classfield=field;
mMode=mode;
QgsDataProvider *provider=mVectorLayer->getDataProvider();
if (provider)
{
if (mMode == QgsGraSyDialog::EQUAL_INTERVAL)
{
double minimum=0;
double maximum=0;
minimum = provider->minValue(m_classfield).toDouble();
maximum = provider->maxValue(m_classfield).toDouble();
for(int i=0;i<mNumberOfClasses;++i)
{
((QLineEdit*)getWidget(0,i))->setText(QString::number(minimum + (maximum - minimum) / mNumberOfClasses * i, 'f', 2));
((QLineEdit*)getWidget(1,i))->setText(QString::number(minimum + (maximum - minimum) / mNumberOfClasses * (i+1), 'f', 2));
}
}
else if (mMode == QgsGraSyDialog::EMPTY) //don't waste performance if mMode is QgsGraSyDialog::EMPTY
{
for(int i=0;i<mNumberOfClasses;++i)
{
((QLineEdit*)getWidget(0,i))->clear();
((QLineEdit*)getWidget(1,i))->clear();
}
}
}
}

2
src/qgsgrasyextensionwidget.h
View File

@ -45,6 +45,8 @@ class QgsGraSyExtensionWidget: public QScrollView
int classfield();
/**Access to the widget objects. In QgsGraSyDialog, the widgets have to be casted to the proper subclasses to retrieve their information*/
QWidget* getWidget(int column, int row);
/**Changes the classification*/
void setClassification(QgsGraSyDialog::mode mode,int field);
protected:
/**Number of the field to classify*/
int m_classfield;