add book

2025-09-28 17:05:51 +08:00
parent 8eb80ab66d
commit d97fa3e0fe
398 changed files with 18737 additions and 0 deletions
--- a/Qt6QMLBeginnersCode/11-ModelViewArchitecture/7-DynamicModels/Main.qml
+++ b/Qt6QMLBeginnersCode/11-ModelViewArchitecture/7-DynamicModels/Main.qml
@@ -0,0 +1,116 @@
+// Copyright (c) Daniel Gakwaya.
+// SPDX-License-Identifier: MIT
+
+import QtQuick
+import QtQuick.Window
+import QtQuick.Controls
+import QtQuick.Layouts
+
+Window {
+    visible: true
+    width: 640
+    height: 480
+    title: qsTr("Dynamic Models Demo")
+
+    ListModel {
+        id: mListModel
+
+        ListElement {
+            firstName: "John"; lastName: "Snow"
+        }
+        ListElement {
+            firstName: "Nicholai"; lastName: "Itchenko"
+        }
+        ListElement {
+            firstName: "Mitch"; lastName: "Mathson"
+        }
+        ListElement {
+            firstName: "Ken"; lastName: "Kologorov"
+        }
+        ListElement {
+            firstName: "Vince"; lastName: "Luvkyj"
+        }
+
+
+    }
+
+    ColumnLayout {
+        anchors.fill: parent
+        ListView{
+            id: mListViewId
+            model: mListModel
+            delegate: delegateId
+            Layout.fillWidth : true
+            Layout.fillHeight: true
+
+        }
+
+
+
+        Button {
+            text: "Add Item"
+            Layout.fillWidth : true
+            onClicked: {
+               mListModel.append({"firstName": "Daniel", "lastName": "Gakwaya"})
+            }
+        }
+
+
+        Button {
+            text: "Clear"
+            Layout.fillWidth : true
+            onClicked: {
+                mListModel.clear()
+
+            }
+        }
+
+        Button {
+            text: "Delete Item at index 2"
+            Layout.fillWidth: true
+            onClicked: {
+                if ( 2  < mListViewId.model.count){
+                    mListModel.remove(2,1)
+                }else{
+                    console.log("index is invalid")
+                }
+            }
+        }
+
+        Button {
+            text: "Set item at index 1"
+            Layout.fillWidth: true
+            onClicked: {
+                mListModel.set(1,{"firstName": "John", "lastName": "Doe"})
+
+            }
+        }
+
+    }
+
+    Component {
+        id: delegateId
+        Rectangle {
+            id: rectangleId
+            width: mListViewId.width
+            height: 50
+            color: "beige"
+            border.color: "yellowgreen"
+            radius: 14
+
+            Text {
+                id: textId
+                anchors.centerIn: parent
+                text : firstName + " " + lastName
+                font.pointSize: 20
+            }
+
+            MouseArea {
+                anchors.fill: parent
+                onClicked: {
+                    console.log("Clicked on: " + firstName + " " + lastName)
+                }
+            }
+        }
+    }
+}