新二维码/条形码编辑逻辑

scene/piccodeitem.cpp

@@ -1,38 +1,82 @@
 #include "piccodeitem.h"
-
-
+#include "ItemCommon.h"
+#include <QDebug>
 
 PicCodeItem::PicCodeItem(QGraphicsItem *parent, QGraphicsScene *scene, const SourceType type)
-    :PicTextItem(parent, scene, type)
+    :PicTextItem(parent, scene, type),
+    m_currCounterValues({0, 0})
 {
     setFlag(QGraphicsItem::ItemIsMovable);
     setFlag(QGraphicsItem::ItemIsSelectable);
     setFlag(QGraphicsItem::ItemIsFocusable);
     setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
+    
+    connect(&m_dateVarTimer, &QTimer::timeout, this, [this](){
+        updateVariants();
+    });
+
+    // m_dateVarTimer.start(50);
+}
+
+PicCodeItem::~PicCodeItem()
+{
+    m_dateVarTimer.stop();
 }
 
 QVariant PicCodeItem::source()
 {
-    return imagePath;
+    return m_currCodeTxt;
 }
 
 void PicCodeItem::setSource(QVariant var)
 {
-    imagePath = var.toString();
     applyModify();
 }
 
+void PicCodeItem::setBarcodeViewModel(const BarcodeViewModel &vm)
+{
+    m_vm = vm;
+    m_currCodeTxt = "";
+    updateVariants();
+    qInfo() << "Barcode model: \r\n" << qPrintable(BarcodeViewModel::toString(vm));
+}
+
+BarcodeViewModel PicCodeItem::barcodeViewModel()
+{
+    return m_vm;
+}
+
+bool PicCodeItem::updateVariants(const QVector<int> counters)
+{
+    m_currCounterValues = counters;
+    return updateVariants();
+}
+
 QImage PicCodeItem::itemImage()
 {
-    return QImage(imagePath);
+    return m_codeImage;
 }
 
 void PicCodeItem::setCustomAttrs(const QXmlStreamAttributes &attrs)
 {
-    imagePath = attrs.value("CodeImage").toString();
+    auto vm = BarcodeViewModel::loadFromXml(attrs);
+    setBarcodeViewModel(vm);
 }
 
 void PicCodeItem::saveCustomAttrs(QXmlStreamAttributes &attrs)
 {
-    attrs.append("CodeImage", imagePath);
+    BarcodeViewModel::saveToXml(m_vm, attrs);
+}
+
+bool PicCodeItem::updateVariants()
+{
+    auto txt = generateTxtFromBarcodeViewModel(m_vm, {m_currCounterValues[0], m_currCounterValues[1]}, QDateTime::currentDateTime());
+    if(txt != m_currCodeTxt || m_currCodeTxt.isEmpty()) {
+        m_currCodeTxt = txt;
+        m_codeImage = generateBarcodeImage(txt, m_vm.type, m_vm.format);
+        applyModify();
+        return true;
+    }
+
+    return false;
 }