update

example/qml/page/T_TreeView.qml

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+import QtQuick
+import QtQuick.Layouts
+import QtQuick.Window
+import QtQuick.Controls
+import FluentUI
+import "../component"
+
+FluScrollablePage {
+
+    title:"TreeView"
+    leftPadding:10
+    rightPadding:10
+    bottomPadding:20
+    spacing: 0
+
+    function randomName() {
+        var names = ["张三", "李四", "王五", "赵六", "钱七", "孙八", "周九", "吴十"]
+        return names[Math.floor(Math.random() * names.length)]
+    }
+
+    function randomCompany() {
+        var companies = ["阿里巴巴", "腾讯", "百度", "京东", "华为", "小米", "字节跳动", "美团", "滴滴"]
+        return companies[Math.floor(Math.random() * companies.length)]
+    }
+
+    function randomDepartment() {
+        var departments = ["技术部", "销售部", "市场部", "人事部", "财务部", "客服部", "产品部", "设计部", "运营部"]
+        return departments[Math.floor(Math.random() * departments.length)]
+    }
+
+    function createEmployee() {
+        var name = randomName()
+        return tree_view.createItem(name, false)
+    }
+
+    function createSubtree(numEmployees) {
+        var employees = []
+        for (var i = 0; i < numEmployees; i++) {
+            employees.push(createEmployee())
+        }
+        return tree_view.createItem(randomDepartment(), true, employees)
+    }
+
+    function createOrg(numLevels, numSubtrees, numEmployees) {
+        if (numLevels === 0) {
+            return []
+        }
+        var subtrees = []
+        for (var i = 0; i < numSubtrees; i++) {
+            subtrees.push(createSubtree(numEmployees))
+        }
+        return [tree_view.createItem(randomCompany(), true, subtrees)].concat(createOrg(numLevels - 1, numSubtrees, numEmployees))
+    }
+
+    FluArea{
+        id:layout_actions
+        Layout.fillWidth: true
+        Layout.topMargin: 20
+        height: 50
+        paddings: 10
+        RowLayout{
+            spacing: 14
+            FluDropDownButton{
+                id:btn_selection_model
+                Layout.preferredWidth: 140
+                text:"None"
+                items:[
+                    FluMenuItem{
+                        text:"None"
+                        onClicked: {
+                            btn_selection_model.text = text
+                            tree_view.selectionMode = FluTabView.Equal
+                        }
+                    },
+                    FluMenuItem{
+                        text:"Single"
+                        onClicked: {
+                            btn_selection_model.text = text
+                            tree_view.selectionMode = FluTabView.SizeToContent
+                        }
+                    },
+                    FluMenuItem{
+                        text:"Muiltple"
+                        onClicked: {
+                            btn_selection_model.text = text
+                            tree_view.selectionMode = FluTabView.Compact
+                        }
+                    }
+                ]
+            }
+            FluFilledButton{
+                text:"获取选中的数据"
+                onClicked: {
+                    if(tree_view.selectionMode === FluTreeView.None){
+                        showError("当前非选择模式,没有选中的数据")
+                    }
+                    if(tree_view.selectionMode === FluTreeView.Single){
+                        if(!tree_view.signleData()){
+                            showError("没有选中数据")
+                            return
+                        }
+                        showSuccess(tree_view.signleData().text)
+                    }
+                    if(tree_view.selectionMode === FluTreeView.Multiple){
+                        if(tree_view.multipData().length===0){
+                            showError("没有选中数据")
+                            return
+                        }
+                        var info = []
+                        tree_view.multipData().map((value)=>info.push(value.text))
+                        showSuccess(info.join(","))
+                    }
+                }
+            }
+        }
+    }
+    FluArea{
+        Layout.fillWidth: true
+        Layout.topMargin: 10
+        paddings: 10
+        height: 400
+        FluTreeView{
+            id:tree_view
+            width:240
+            anchors{
+                top:parent.top
+                left:parent.left
+                bottom:parent.bottom
+            }
+            onItemClicked:
+                (model)=>{
+                    showSuccess(model.text)
+                }
+
+            Component.onCompleted: {
+                var org = createOrg(3, 3, 3)
+                createItem()
+                updateData(org)
+            }
+        }
+    }
+
+    CodeExpander{
+        Layout.fillWidth: true
+        Layout.topMargin: -1
+        code:'FluTreeView{
+    id:tree_view
+    width:240
+    height:600
+    Component.onCompleted: {
+        var datas = []
+        datas.push(createItem("Node1",false))
+        datas.push(createItem("Node2",false))
+        datas.push(createItem("Node2",true,[createItem("Node2-1",false),createItem("Node2-2",false)]))
+        updateData(datas)
+    }
+}
+'
+    }
+
+
+}