[partition] Including CreateVolumeGroupDialog and fixing some of its GUI issues.

src/modules/partition/gui/VolumeGroupBaseDialog.cpp

@@ -21,22 +21,160 @@
 
 #include "gui/ListPhysicalVolumeWidgetItem.h"
 
+#include <kpmcore/util/capacity.h>
+
+#include <QComboBox>
+#include <QDialogButtonBox>
+#include <QLabel>
+#include <QLineEdit>
+#include <QPushButton>
+#include <QSpinBox>
+
 VolumeGroupBaseDialog::VolumeGroupBaseDialog( QString& vgName,
-                                              QList< const Partition* > pvList,
+                                              QVector< const Partition* > pvList,
                                               qint32& peSize,
-                                              QWidget *parent)
+                                              QWidget *parent )
     : QDialog(parent)
     , ui(new Ui::VolumeGroupBaseDialog)
-    , m_vgName(vgName)
-    , m_peSize(peSize)
+    , m_vgNameValue(vgName)
+    , m_peSizeValue(peSize)
+    , m_totalSizeValue(0)
+    , m_usedSizeValue(0)
 {
     ui->setupUi(this);
 
     for ( const Partition* p : pvList )
-        ui->pvList->addItem( new ListPhysicalVolumeWidgetItem(p, false) );
+        ui->pvList->addItem( new ListPhysicalVolumeWidgetItem( p, false ) );
+
+    ui->vgType->addItems( QStringList() << "LVM" << "RAID" );
+    ui->vgType->setCurrentIndex(0);
+
+    QRegularExpression re(R"(^(?!_|\.)[\w\-.+]+)");
+    ui->vgName->setValidator( new QRegularExpressionValidator( re, this ) );
+    ui->vgName->setText( m_vgNameValue );
+
+    ui->peSize->setValue( m_peSizeValue );
+
+    updateOkButton();
+    updateTotalSize();
+
+    connect( ui->pvList, &QListWidget::itemChanged, this,
+             [&](QListWidgetItem*) {
+                updateTotalSize();
+                updateOkButton();
+            } );
+
+    connect( ui->peSize, qOverload<int>(&QSpinBox::valueChanged), this,
+             [&](int) {
+                updateTotalSectors();
+                updateOkButton();
+            });
+
+    connect( ui->vgName, &QLineEdit::textChanged, this,
+             [&](const QString&) {
+                updateOkButton();
+            });
 }
 
 VolumeGroupBaseDialog::~VolumeGroupBaseDialog()
 {
     delete ui;
 }
+
+QVector< const Partition* >
+VolumeGroupBaseDialog::checkedItems() const
+{
+    QVector< const Partition* > items;
+
+    for ( int i = 0; i < ui->pvList->count(); i++) {
+        ListPhysicalVolumeWidgetItem* item = dynamic_cast< ListPhysicalVolumeWidgetItem* >( ui->pvList->item(i) );
+
+        if ( item && item->checkState() == Qt::Checked )
+            items << item->partition();
+    }
+
+    return items;
+}
+
+bool
+VolumeGroupBaseDialog::isSizeValid() const
+{
+    return m_totalSizeValue >= m_usedSizeValue;
+}
+
+void
+VolumeGroupBaseDialog::updateOkButton()
+{
+    okButton()->setEnabled(isSizeValid() &&
+                         !checkedItems().empty() &&
+                         !ui->vgName->text().isEmpty() &&
+                         ui->peSize->value() > 0);
+}
+
+void
+VolumeGroupBaseDialog::updateTotalSize()
+{
+    m_totalSizeValue = 0;
+
+    for ( const Partition *p : checkedItems())
+        m_totalSizeValue += p->capacity() - p->capacity() % (ui->peSize->value() * Capacity::unitFactor(Capacity::Unit::Byte, Capacity::Unit::MiB));
+
+    ui->totalSize->setText(Capacity::formatByteSize(m_totalSizeValue));
+
+    updateTotalSectors();
+}
+
+void
+VolumeGroupBaseDialog::updateTotalSectors()
+{
+    qint32 totalSectors = 0;
+
+    qint32 extentSize = ui->peSize->value() * Capacity::unitFactor(Capacity::Unit::Byte, Capacity::Unit::MiB);
+
+    if ( extentSize > 0 )
+        totalSectors = m_totalSizeValue / extentSize;
+
+    ui->totalSectors->setText( QString::number( totalSectors ) );
+}
+
+QString&
+VolumeGroupBaseDialog::vgNameValue() const
+{
+    return m_vgNameValue;
+}
+
+qint32&
+VolumeGroupBaseDialog::peSizeValue() const
+{
+    return m_peSizeValue;
+}
+
+QLineEdit*
+VolumeGroupBaseDialog::vgName() const
+{
+    return ui->vgName;
+}
+
+QComboBox*
+VolumeGroupBaseDialog::vgType() const
+{
+    return ui->vgType;
+}
+
+QSpinBox*
+VolumeGroupBaseDialog::peSize() const
+{
+    return ui->peSize;
+}
+
+QListWidget*
+VolumeGroupBaseDialog::pvList() const
+{
+    return ui->pvList;
+}
+
+QPushButton*
+VolumeGroupBaseDialog::okButton() const
+{
+    return ui->buttonBox->button( QDialogButtonBox::StandardButton::Ok );
+}