| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| import {Selectable} from "./tobago-selectable"; |
| import {Tree} from "./tobago-tree"; |
| import {TreeNode} from "./tobago-tree-node"; |
| |
| export class TreeSelect extends HTMLElement { |
| |
| constructor() { |
| super(); |
| } |
| |
| connectedCallback(): void { |
| this.input.addEventListener("change", this.select.bind(this)); |
| } |
| |
| select(event: Event): void { |
| switch (this.input.type) { |
| case "radio": |
| this.tree.clearSelectedNodes(); |
| this.tree.addSelectedNode(this.treeNode.index); |
| break; |
| case "checkbox": |
| if (this.input.checked) { |
| this.tree.addSelectedNode(this.treeNode.index); |
| } else { |
| this.tree.deleteSelectedNode(this.treeNode.index); |
| } |
| |
| if (this.tree.selectable === Selectable.multiCascade) { |
| let treeNodeIds = []; |
| this.selectChildren(this.treeSelectChildren, this.input.checked, treeNodeIds); |
| |
| /*if (treeNodeIds.length > 0) { |
| for (const id of treeNodeIds) { |
| let ts: TreeSelect = document.getElementById(id).querySelector("tobago-tree-select") as TreeSelect; |
| ts.input.dispatchEvent(new Event("change", {bubbles: false})); |
| } |
| }*/ |
| } |
| break; |
| } |
| } |
| |
| selectChildren(treeSelectChildren: NodeListOf<TreeSelect>, checked: boolean, treeNodeIds: Array<string>): void { |
| for (const treeSelect of treeSelectChildren) { |
| if (treeSelect.input.checked !== checked) { |
| treeSelect.input.checked = checked; |
| treeNodeIds.push(treeSelect.treeNode.id); |
| } |
| if (checked) { |
| this.tree.addSelectedNode(treeSelect.treeNode.index); |
| } else { |
| this.tree.deleteSelectedNode(treeSelect.treeNode.index); |
| } |
| |
| this.selectChildren(treeSelect.treeSelectChildren, checked, treeNodeIds); |
| } |
| } |
| |
| private get tree(): Tree { |
| return this.treeNode.tree; |
| } |
| |
| private get treeNode(): TreeNode { |
| return this.closest("tobago-tree-node") as TreeNode; |
| } |
| |
| private get treeSelectChildren(): NodeListOf<TreeSelect> { |
| let treeNode = this.closest("tobago-tree-node"); |
| return treeNode.parentElement |
| .querySelectorAll("tobago-tree-node[parent='" + treeNode.id + "'] tobago-tree-select"); |
| } |
| |
| private get input(): HTMLInputElement { |
| return this.querySelector("input"); |
| } |
| } |
| |
| document.addEventListener("tobago.init", function (event: Event): void { |
| if (window.customElements.get("tobago-tree-select") == null) { |
| window.customElements.define("tobago-tree-select", TreeSelect); |
| } |
| }); |