Tree filter demo added

apps/showcase/doc/tree/BasicDoc.vue

@@ -10,6 +10,7 @@
 
 <script>
 import { NodeService } from '@/service/NodeService';
+
 export default {
     data() {
         return {
@@ -36,7 +37,7 @@ export default {
     },
     mounted() {
         NodeService.getTreeNodes().then((data) => (this.nodes = data));
-    } 
+    }
 }
 <\/script>
 `,

apps/showcase/doc/treeselect/FilterDoc.vue

@@ -0,0 +1,104 @@
+<template>
+    <DocSectionText v-bind="$attrs">
+        <p>
+            Filtering is enabled by adding the <i>filter</i> property, by default label property of a node is used to compare against the value in the text field, in order to customize which field(s) should be used during search define
+            <i>filterBy</i> property. In addition <i>filterMode</i> specifies the filtering strategy. In <i>lenient</i> mode when the query matches a node, children of the node are not searched further as all descendants of the node are included. On
+            the other hand, in <i>strict</i> mode when the query matches a node, filtering continues on all descendants.
+        </p>
+    </DocSectionText>
+    <div class="card flex flex-wrap justify-center items-end gap-4">
+        <TreeSelect v-model="selectedValue" filter filterMode="lenient" :options="nodes" placeholder="Select Item" class="md:w-80 w-full" />
+        <TreeSelect v-model="selectedValue" filter filterMode="strict" :options="nodes" placeholder="Select Item" class="md:w-80 w-full" />
+    </div>
+    <DocSectionCode :code="code" :service="['NodeService']" v-bind="$attrs" />
+</template>
+
+<script>
+import { NodeService } from '/service/NodeService';
+
+export default {
+    data() {
+        return {
+            nodes: null,
+            selectedValue: null,
+            code: {
+                basic: `
+<TreeSelect v-model="selectedValue" filter :options="nodes" placeholder="Select Item" class="md:w-80 w-full" />
+`,
+                options: `
+<template>
+    <div class="card flex justify-center">
+        <TreeSelect v-model="selectedValue" filter :options="nodes" placeholder="Select Item" class="md:w-80 w-full" />
+    </div>
+</template>
+
+<script>
+import { NodeService } from './service/NodeService';
+
+export default {
+    data() {
+        return {
+            nodes: null,
+            selectedValue: null,
+        }
+    },
+    mounted() {
+        NodeService.getTreeNodes().then((data) => (this.nodes = data));
+    }
+}
+<\/script>
+`,
+                composition: `
+<template>
+    <div class="card flex justify-center">
+        <TreeSelect v-model="selectedValue" filter :options="nodes" placeholder="Select Item" class="md:w-80 w-full" />
+    </div>
+</template>
+
+<script setup>
+import { ref, onMounted } from 'vue';
+import { NodeService } from './service/NodeService';
+
+const nodes = ref(null);
+const selectedValue = ref(null);
+
+onMounted(() => {
+    NodeService.getTreeNodes().then((data) => (nodes.value = data));
+});
+<\/script>
+`,
+                data: `
+{
+    key: '0',
+    label: 'Documents',
+    data: 'Documents Folder',
+    icon: 'pi pi-fw pi-inbox',
+    children: [
+        {
+            key: '0-0',
+            label: 'Work',
+            data: 'Work Folder',
+            icon: 'pi pi-fw pi-cog',
+            children: [
+                { key: '0-0-0', label: 'Expenses.doc', icon: 'pi pi-fw pi-file', data: 'Expenses Document' },
+                { key: '0-0-1', label: 'Resume.doc', icon: 'pi pi-fw pi-file', data: 'Resume Document' }
+            ]
+        },
+        {
+            key: '0-1',
+            label: 'Home',
+            data: 'Home Folder',
+            icon: 'pi pi-fw pi-home',
+            children: [{ key: '0-1-0', label: 'Invoices.txt', icon: 'pi pi-fw pi-file', data: 'Invoices for this month' }]
+        }
+    ]
+},
+...`
+            }
+        };
+    },
+    mounted() {
+        NodeService.getTreeNodes().then((data) => (this.nodes = data));
+    }
+};
+</script>

apps/showcase/pages/treeselect/index.vue

@@ -14,6 +14,7 @@
 import AccessibilityDoc from '@/doc/treeselect/AccessibilityDoc.vue';
 import BasicDoc from '@/doc/treeselect/BasicDoc.vue';
 import CheckboxDoc from '@/doc/treeselect/CheckboxDoc.vue';
+import FilterDoc from '@/doc/treeselect/FilterDoc.vue';
 import DisabledDoc from '@/doc/treeselect/DisabledDoc.vue';
 import FilledDoc from '@/doc/treeselect/FilledDoc.vue';
 import FloatLabelDoc from '@/doc/treeselect/FloatLabelDoc.vue';
@@ -48,6 +49,11 @@ export default {
                     label: 'Checkbox',
                     component: CheckboxDoc
                 },
+                {
+                    id: 'filter',
+                    label: 'Filter',
+                    component: FilterDoc
+                },
                 {
                     id: 'floatlabel',
                     label: 'Float Label',