add scroller node

doric-Qt/doric/shader/DoricScrollerNode.cpp

@@ -0,0 +1,90 @@
+#include "DoricScrollerNode.h"
+
+QQuickItem *DoricScrollerNode::build() {
+  QQmlComponent component(getContext()->getQmlEngine());
+
+  const QUrl url(QStringLiteral("qrc:/doric/qml/scroller.qml"));
+  component.loadUrl(url);
+
+  if (component.isError()) {
+    qCritical() << component.errorString();
+  }
+
+  QQuickItem *item = qobject_cast<QQuickItem *>(component.create());
+
+  item->setProperty("wrapper", QString::number((qint64)this));
+  return item;
+}
+
+void DoricScrollerNode::blendSubNode(QJsonValue subProperties) {
+  if (mChildNode != nullptr) {
+    mChildNode->blend(subProperties["props"]);
+  }
+}
+
+void DoricScrollerNode::blend(QQuickItem *view, QString name, QJsonValue prop) {
+  if (name == "content") {
+    if (!prop.isString()) {
+      return;
+    }
+    mChildViewId = prop.toString();
+  } else if (name == "onScroll") {
+    if (!prop.isString()) {
+      return;
+    }
+    onScrollFuncId = prop.toString();
+  } else if (name == "onScrollEnd") {
+    if (!prop.isString()) {
+      return;
+    }
+    onScrollEndFuncId = prop.toString();
+  } else {
+    DoricSuperNode::blend(view, name, prop);
+  }
+}
+
+void DoricScrollerNode::blend(QJsonValue jsValue) {
+  DoricViewNode::blend(jsValue);
+  QJsonValue contentModel = getSubModel(mChildViewId);
+  if (contentModel == QJsonValue::Undefined) {
+    return;
+  }
+
+  QString viewId = contentModel["id"].toString();
+  QString type = contentModel["type"].toString();
+  QJsonValue props = contentModel["props"];
+
+  QQuickItem *parent = mView->childItems().at(1);
+
+  if (mChildNode != nullptr) {
+    if (viewId == mChildNode->getId()) {
+      // skip
+    } else {
+      if (mReusable && mChildNode->getType() == type) {
+        mChildNode->setId(viewId);
+        mChildNode->blend(props);
+      } else {
+        // remove all views
+        for (int i = 0; i != parent->childItems().size(); i++) {
+          parent->childItems().at(i)->setParent(nullptr);
+          parent->childItems().at(i)->setParentItem(nullptr);
+          parent->childItems().at(i)->deleteLater();
+        }
+
+        mChildNode = DoricViewNode::create(getContext(), type);
+        mChildNode->setId(viewId);
+        mChildNode->init(this);
+        mChildNode->blend(props);
+
+        mChildNode->getNodeView()->setParentItem(parent);
+      }
+    }
+  } else {
+    mChildNode = DoricViewNode::create(getContext(), type);
+    mChildNode->setId(viewId);
+    mChildNode->init(this);
+    mChildNode->blend(props);
+
+    mChildNode->getNodeView()->setParentItem(parent);
+  }
+}

doric-Qt/doric/shader/DoricScrollerNode.h

@@ -0,0 +1,26 @@
+#ifndef DORICSCROLLERNODE_H
+#define DORICSCROLLERNODE_H
+
+#include "DoricSuperNode.h"
+
+class DoricScrollerNode : public DoricSuperNode {
+private:
+  DoricViewNode *mChildNode = nullptr;
+
+  QString mChildViewId;
+  QString onScrollFuncId;
+  QString onScrollEndFuncId;
+
+public:
+  using DoricSuperNode::DoricSuperNode;
+
+  QQuickItem *build() override;
+
+  virtual void blend(QQuickItem *view, QString name, QJsonValue prop) override;
+
+  virtual void blend(QJsonValue jsValue) override;
+
+  virtual void blendSubNode(QJsonValue subProperties) override;
+};
+
+#endif // DORICSCROLLERNODE_H