devextreme
Version:
HTML5 JavaScript Component Suite for Responsive Web Development
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JavaScript
/**
* DevExtreme (esm/ui/file_manager/ui.file_manager.files_tree_view.js)
* Version: 21.1.4
* Build date: Mon Jun 21 2021
*
* Copyright (c) 2012 - 2021 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
import $ from "../../core/renderer";
import eventsEngine from "../../events/core/events_engine";
import {
extend
} from "../../core/utils/extend";
import {
getImageContainer
} from "../../core/utils/icon";
import {
noop
} from "../../core/utils/common";
import Widget from "../widget/ui.widget";
import TreeViewSearch from "../tree_view/ui.tree_view.search";
import FileManagerFileActionsButton from "./ui.file_manager.file_actions_button";
import {
Deferred
} from "../../core/utils/deferred";
import {
hasWindow
} from "../../core/utils/window";
import {
isNumeric
} from "../../core/utils/type";
var FILE_MANAGER_DIRS_TREE_CLASS = "dx-filemanager-dirs-tree";
var FILE_MANAGER_DIRS_TREE_FOCUSED_ITEM_CLASS = "dx-filemanager-focused-item";
var FILE_MANAGER_DIRS_TREE_ITEM_TEXT_CLASS = "dx-filemanager-dirs-tree-item-text";
var TREE_VIEW_ITEM_CLASS = "dx-treeview-item";
class FileManagerFilesTreeView extends Widget {
_initMarkup() {
this._initActions();
this._getCurrentDirectory = this.option("getCurrentDirectory");
this._createFileActionsButton = noop;
this._storeExpandedState = this.option("storeExpandedState") || false;
var $treeView = $("<div>").addClass(FILE_MANAGER_DIRS_TREE_CLASS).appendTo(this.$element());
var treeViewOptions = {
dataStructure: "plain",
rootValue: "",
createChildren: this._onFilesTreeViewCreateSubDirectories.bind(this),
itemTemplate: this._createFilesTreeViewItemTemplate.bind(this),
keyExpr: "getInternalKey",
parentIdExpr: "parentDirectory.getInternalKey",
displayExpr: itemInfo => itemInfo.getDisplayName(),
hasItemsExpr: "fileItem.hasSubDirectories",
onItemClick: e => this._actions.onDirectoryClick(e),
onItemExpanded: e => this._onFilesTreeViewItemExpanded(e),
onItemCollapsed: e => this._onFilesTreeViewItemCollapsed(e),
onItemRendered: e => this._onFilesTreeViewItemRendered(e),
onContentReady: () => this._actions.onFilesTreeViewContentReady()
};
if (this._contextMenu) {
this._contextMenu.option("onContextMenuHidden", () => this._onContextMenuHidden());
treeViewOptions.onItemContextMenu = e => this._onFilesTreeViewItemContextMenu(e);
this._createFileActionsButton = (element, options) => this._createComponent(element, FileManagerFileActionsButton, options)
}
this._filesTreeView = this._createComponent($treeView, TreeViewSearch, treeViewOptions);
eventsEngine.on($treeView, "click", () => this._actions.onClick())
}
_initActions() {
this._actions = {
onClick: this._createActionByOption("onClick"),
onDirectoryClick: this._createActionByOption("onDirectoryClick"),
onFilesTreeViewContentReady: this._createActionByOption("onFilesTreeViewContentReady")
}
}
_render() {
super._render();
var that = this;
setTimeout(() => {
that._updateFocusedElement()
})
}
_onFilesTreeViewCreateSubDirectories(rootItem) {
var getDirectories = this.option("getDirectories");
var directoryInfo = rootItem && rootItem.itemData || null;
return getDirectories && getDirectories(directoryInfo, true)
}
_onFilesTreeViewItemRendered(_ref) {
var {
itemData: itemData
} = _ref;
var currentDirectory = this._getCurrentDirectory();
if (currentDirectory && currentDirectory.fileItem.equals(itemData.fileItem)) {
this._updateFocusedElement();
this._restoreScrollTopPosition()
}
}
_onFilesTreeViewItemExpanded(_ref2) {
var {
itemData: itemData
} = _ref2;
if (this._storeExpandedState) {
itemData.expanded = true
}
}
_onFilesTreeViewItemCollapsed(_ref3) {
var {
itemData: itemData
} = _ref3;
if (this._storeExpandedState) {
itemData.expanded = false
}
}
_createFilesTreeViewItemTemplate(itemData, itemIndex, itemElement) {
var $itemElement = $(itemElement);
var $itemWrapper = $itemElement.closest(this._filesTreeViewItemSelector);
$itemWrapper.data("item", itemData);
var $image = getImageContainer(itemData.icon);
var $text = $("<span>").text(itemData.getDisplayName()).addClass(FILE_MANAGER_DIRS_TREE_ITEM_TEXT_CLASS);
var $button = $("<div>");
$itemElement.append($image, $text, $button);
this._createFileActionsButton($button, {
onClick: e => this._onFileItemActionButtonClick(e)
})
}
_onFilesTreeViewItemContextMenu(_ref4) {
var {
itemElement: itemElement,
event: event
} = _ref4;
event.preventDefault();
var itemData = $(itemElement).data("item");
this._contextMenu.showAt([itemData], itemElement, event, {
itemData: itemData,
itemElement: itemElement
})
}
_onFileItemActionButtonClick(_ref5) {
var {
component: component,
element: element,
event: event
} = _ref5;
event.stopPropagation();
var itemElement = component.$element().closest(this._filesTreeViewItemSelector);
var itemData = itemElement.data("item");
var target = {
itemData: itemData,
itemElement: itemElement,
isActionButton: true
};
this._contextMenu.showAt([itemData], element, event, target);
this._activeFileActionsButton = component;
this._activeFileActionsButton.setActive(true)
}
_onContextMenuHidden() {
if (this._activeFileActionsButton) {
this._activeFileActionsButton.setActive(false)
}
}
toggleNodeDisabledState(key, state) {
var node = this._getNodeByKey(key);
if (!node) {
return
}
var items = this._filesTreeView.option("items");
var itemIndex = items.map(item => item.getInternalKey()).indexOf(node.getInternalKey());
if (-1 !== itemIndex) {
this._filesTreeView.option("items[".concat(itemIndex, "].disabled"), state)
}
}
_saveScrollTopPosition() {
if (!hasWindow()) {
return
}
this._scrollTopPosition = this._filesTreeView._scrollableContainer.scrollTop()
}
_restoreScrollTopPosition() {
if (!hasWindow() || !isNumeric(this._scrollTopPosition)) {
return
}
setTimeout(() => this._filesTreeView._scrollableContainer.scrollTo(this._scrollTopPosition))
}
_updateFocusedElement() {
var directoryInfo = this._getCurrentDirectory();
var $element = this._getItemElementByKey(null === directoryInfo || void 0 === directoryInfo ? void 0 : directoryInfo.getInternalKey());
if (this._$focusedElement) {
this._$focusedElement.toggleClass(FILE_MANAGER_DIRS_TREE_FOCUSED_ITEM_CLASS, false)
}
this._$focusedElement = $element || $();
this._$focusedElement.toggleClass(FILE_MANAGER_DIRS_TREE_FOCUSED_ITEM_CLASS, true)
}
_getNodeByKey(key) {
var _this$_filesTreeView;
return null === (_this$_filesTreeView = this._filesTreeView) || void 0 === _this$_filesTreeView ? void 0 : _this$_filesTreeView._getNode(key)
}
_getPublicNode(key) {
var _this$_filesTreeView2;
var nodesQueue = [...null === (_this$_filesTreeView2 = this._filesTreeView) || void 0 === _this$_filesTreeView2 ? void 0 : _this$_filesTreeView2.getNodes()];
while (nodesQueue.length) {
var node = nodesQueue.shift();
if (node.itemData.getInternalKey() === key) {
return node
} else if (node.children.length) {
nodesQueue.push(...node.children)
}
}
return
}
_getItemElementByKey(key) {
var node = this._getNodeByKey(key);
if (node) {
var $node = this._filesTreeView._getNodeElement(node);
if ($node) {
return $node.children(this._filesTreeViewItemSelector)
}
}
return null
}
_getDefaultOptions() {
return extend(super._getDefaultOptions(), {
storeExpandedState: false,
initialFolder: null,
contextMenu: null,
getItems: null,
getCurrentDirectory: null,
onDirectoryClick: null
})
}
_optionChanged(args) {
var name = args.name;
switch (name) {
case "storeExpandedState":
this._storeExpandedState = this.option(name);
break;
case "getItems":
case "rootFolderDisplayName":
case "initialFolder":
case "contextMenu":
this.repaint();
break;
case "getCurrentDirectory":
this.getCurrentDirectory = this.option(name);
break;
case "onClick":
case "onDirectoryClick":
case "onFilesTreeViewContentReady":
this._actions[name] = this._createActionByOption(name);
break;
default:
super._optionChanged(args)
}
}
get _filesTreeViewItemSelector() {
return ".".concat(TREE_VIEW_ITEM_CLASS)
}
get _contextMenu() {
return this.option("contextMenu")
}
toggleDirectoryExpandedState(directoryInfo, state) {
var deferred = new Deferred;
var treeViewNode = this._getPublicNode(null === directoryInfo || void 0 === directoryInfo ? void 0 : directoryInfo.getInternalKey());
if (!treeViewNode) {
return deferred.reject().promise()
}
if (treeViewNode.expanded === state || treeViewNode.itemsLoaded && !treeViewNode.itemData.fileItem.hasSubDirectories) {
return deferred.resolve().promise()
}
var action = state ? "expandItem" : "collapseItem";
return this._filesTreeView[action](directoryInfo.getInternalKey())
}
refresh() {
this._$focusedElement = null;
this._saveScrollTopPosition();
this._filesTreeView.option("dataSource", [])
}
updateCurrentDirectory() {
if (this._disposed) {
return
}
this._updateFocusedElement();
this._storeExpandedState && this._updateExpandedStateToCurrentDirectory()
}
_updateExpandedStateToCurrentDirectory() {
return this.toggleDirectoryExpandedStateRecursive(this._getCurrentDirectory().parentDirectory, true)
}
toggleDirectoryExpandedStateRecursive(directoryInfo, state) {
var dirLine = [];
for (var dirInfo = directoryInfo; dirInfo; dirInfo = dirInfo.parentDirectory) {
dirLine.unshift(dirInfo)
}
return this.toggleDirectoryLineExpandedState(dirLine, state)
}
toggleDirectoryLineExpandedState(dirLine, state) {
if (!dirLine.length) {
return (new Deferred).resolve().promise()
}
return this.toggleDirectoryExpandedState(dirLine.shift(), state).then(() => this.toggleDirectoryLineExpandedState(dirLine, state))
}
}
export default FileManagerFilesTreeView;