first commit

test/qxBlogModelView/qt/rcc/documents/main_relationship.qml

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+import QtQuick 2.1
+import QtQuick.Controls 1.0
+
+Item {
+   width: 500
+   height: 300
+
+   /*
+      1- How to display a relationship value :
+         * root model : blog
+         * child model : author
+         * display author name using getModelValue() method of qx::IxModel base class
+   */
+   Text {
+      y: 30
+      color: "blue"
+      text: "--- 1. display relationship author name using getModelValue() method of qx::IxModel base class ---"
+   }
+   ListView {
+      y: 50
+      height: 270
+      model: myModel
+      delegate: Row {
+         height: 20
+         spacing: 10
+         Text { text: "blog id : " + blog_id }
+         TextField {
+            text: blog_text
+            onTextChanged: blog_text = text
+         }
+         Text { text: "author name : " + myModel.author_id(0).getModelValue(0, "name") } // display author name using getModelValue() method of qx::IxModel base class
+      }
+   }
+
+   /*
+      2- How to display a relationship value :
+         * root model : blog
+         * child model : author
+         * display author name passing the author child model to another QML component, then using the role value
+   */
+   Text {
+      y: 80
+      color: "blue"
+      text: "--- 2. display relationship author name passing the author child model to another QML component, then using the author 'name' role value ---"
+   }
+   ListView {
+      y: 100
+      height: 270
+      model: myModel
+      delegate: Row {
+         height: 20
+         spacing: 10
+         Text { text: "blog id : " + blog_id }
+         TextField {
+            text: blog_text
+            onTextChanged: blog_text = text
+         }
+         ListView {
+            x: 200
+            height: 270
+            model: myModel.author_id(0) // pass the author child model to another QML component
+            delegate: Row {
+               Text { text: "author name : " + name } // use role 'name' defined in author class to display the author name
+            }
+         }
+      }
+   }
+
+   /*
+      3- Display the author row id in database using the 'author_id' role defined in blog class
+   */
+   Text {
+      y: 130
+      color: "blue"
+      text: "--- 3. display the author row id in database using the 'author_id' role defined in blog class ---"
+   }
+   ListView {
+      y: 150
+      height: 270
+      model: myModel
+      delegate: Row {
+         height: 20
+         spacing: 10
+         Text { text: "blog id : " + blog_id }
+         TextField {
+            text: blog_text
+            onTextChanged: blog_text = text
+         }
+         Text { text: "author id : " + author_id }
+      }
+   }
+
+}