Move legacy tree from vs to sql (#20622)

* Move legacy tree from vs to sql

* fix tests

* exemption

* Fix lint
This commit is contained in:
Charles Gagnon
2022-09-19 15:19:40 -07:00
committed by GitHub
parent dd253b4e98
commit 509e4b0509
58 changed files with 102 additions and 98 deletions

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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the Source EULA. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
.monaco-tree {
height: 100%;
width: 100%;
white-space: nowrap;
user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
position: relative;
}
.monaco-tree > .monaco-scrollable-element {
height: 100%;
}
.monaco-tree > .monaco-scrollable-element > .monaco-tree-wrapper {
height: 100%;
width: 100%;
position: relative;
}
.monaco-tree .monaco-tree-rows {
position: absolute;
width: 100%;
height: 100%;
}
.monaco-tree .monaco-tree-rows > .monaco-tree-row {
box-sizing: border-box;
cursor: pointer;
overflow: hidden;
width: 100%;
touch-action: none;
}
.monaco-tree .monaco-tree-rows > .monaco-tree-row > .content {
position: relative;
height: 100%;
}
.monaco-tree-drag-image {
display: inline-block;
padding: 1px 7px;
border-radius: 10px;
font-size: 12px;
position: absolute;
}
/* for OS X ballistic scrolling */
.monaco-tree .monaco-tree-rows > .monaco-tree-row.scrolling {
display: none;
}
/* Highlighted */
.monaco-tree.highlighted .monaco-tree-rows > .monaco-tree-row:not(.highlighted) {
opacity: 0.3;
}
/* Expansion */
.monaco-tree .monaco-tree-rows.show-twisties > .monaco-tree-row.has-children > .content:before {
content: ' ';
position: absolute;
display: block;
background: url('tree-collapsed-light.svg') 50% 50% no-repeat;
width: 16px;
height: 100%;
top: 0;
left: -16px;
}
.monaco-tree .monaco-tree-rows.show-twisties > .monaco-tree-row.expanded > .content:before {
background-image: url('tree-expanded-light.svg');
}
.monaco-tree.focused .monaco-tree-rows.show-twisties > .monaco-tree-row.has-children.selected.expanded:not(.loading) > .content:before {
background-image: url('tree-expanded-hc.svg');
}
.monaco-tree.focused .monaco-tree-rows.show-twisties > .monaco-tree-row.has-children.selected:not(.loading) > .content:before {
background-image: url('tree-collapsed-hc.svg');
}
.monaco-tree .monaco-tree-rows > .monaco-tree-row.has-children.loading > .content:before {
background-image: url('loading.svg');
}
.vs-dark .monaco-tree .monaco-tree-rows.show-twisties > .monaco-tree-row.has-children > .content:before {
background-image: url('tree-collapsed-dark.svg');
}
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background-image: url('tree-expanded-dark.svg');
}
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background-image: url('loading-dark.svg');
}
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background-image: url('tree-collapsed-hc.svg');
}
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background-image: url('tree-expanded-hc.svg');
}
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background-image: url('loading-hc.svg');
}

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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the Source EULA. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as Touch from 'vs/base/browser/touch';
import * as Mouse from 'vs/base/browser/mouseEvent';
import * as Keyboard from 'vs/base/browser/keyboardEvent';
import { INavigator } from 'sql/base/common/navigator';
import { ScrollbarVisibility } from 'vs/base/common/scrollable';
import { Event } from 'vs/base/common/event';
import { IAction } from 'vs/base/common/actions';
import { Color } from 'vs/base/common/color';
import { IItemCollapseEvent, IItemExpandEvent } from 'sql/base/parts/tree/browser/treeModel';
import { IDragAndDropData } from 'vs/base/browser/dnd';
export interface ITree {
onDidFocus: Event<void>;
onDidBlur: Event<void>;
onDidChangeFocus: Event<IFocusEvent>;
onDidChangeSelection: Event<ISelectionEvent>;
onDidChangeHighlight: Event<IHighlightEvent>;
onDidExpandItem: Event<IItemExpandEvent>;
onDidCollapseItem: Event<IItemCollapseEvent>;
onDidDispose: Event<void>;
onDidScroll: Event<void>;
/**
* Returns the tree's DOM element.
*/
getHTMLElement(): HTMLElement;
/**
* Lays out the tree.
* Provide a specific height to save an (expensive) height computation.
*/
layout(height?: number): void;
/**
* Notifies the tree that is has become visible.
*/
onVisible(): void;
/**
* Notifies the tree that is has become hidden.
*/
onHidden(): void;
/**
* Sets the input of the tree.
*/
setInput(element: any): Promise<any>;
/**
* Returns the tree's input.
*/
getInput(): any;
/**
* Sets DOM focus on the tree.
*/
domFocus(): void;
/**
* Returns whether the tree has DOM focus.
*/
isDOMFocused(): boolean;
/**
* Removes DOM focus from the tree.
*/
domBlur(): void;
/**
* Refreshes an element.
* Provide no arguments and it will refresh the input element.
*/
refresh(element?: any, recursive?: boolean): Promise<any>;
/**
* Expands an element.
* The returned promise returns a boolean for whether the element was expanded or not.
*/
expand(element: any): Promise<any>;
/**
* Expands several elements.
* The returned promise returns a boolean array for whether the elements were expanded or not.
*/
expandAll(elements?: any[]): Promise<any>;
/**
* Collapses an element.
* The returned promise returns a boolean for whether the element was collapsed or not.
*/
collapse(element: any, recursive?: boolean): Promise<any>;
/**
* Collapses several elements.
* Provide no arguments and it will recursively collapse all elements in the tree
* The returned promise returns a boolean for whether the elements were collapsed or not.
*/
collapseAll(elements?: any[], recursive?: boolean): Promise<any>;
/**
* Toggles an element's expansion state.
*/
toggleExpansion(element: any, recursive?: boolean): Promise<any>;
/**
* Returns whether an element is expanded or not.
*/
isExpanded(element: any): boolean;
/**
* Reveals an element in the tree. The relativeTop is a value between 0 and 1. The closer to 0 the more the
* element will scroll up to the top.
*/
reveal(element: any, relativeTop?: number): Promise<any>;
/**
* Returns the currently highlighted element.
*/
getHighlight(includeHidden?: boolean): any;
/**
* Clears the highlight.
*/
clearHighlight(eventPayload?: any): void;
/**
* Replaces the current selection with the given elements.
*/
setSelection(elements: any[], eventPayload?: any): void;
/**
* Returns the currently selected elements.
*/
getSelection(includeHidden?: boolean): any[];
/**
* Clears the selection.
*/
clearSelection(eventPayload?: any): void;
/**
* Sets the focused element.
*/
setFocus(element?: any, eventPayload?: any): void;
/**
* Returns focused element.
*/
getFocus(includeHidden?: boolean): any;
/**
* Focuses the next `count`-nth element, in visible order.
*/
focusNext(count?: number, eventPayload?: any): void;
/**
* Focuses the previous `count`-nth element, in visible order.
*/
focusPrevious(count?: number, eventPayload?: any): void;
/**
* Focuses the currently focused element's parent.
*/
focusParent(eventPayload?: any): void;
/**
* Focuses the first child of the currently focused element.
*/
focusFirstChild(eventPayload?: any): void;
/**
* Focuses the second element, in visible order. Will focus the first
* child from the provided element's parent if any.
*/
focusFirst(eventPayload?: any, from?: any): void;
/**
* Focuses the nth element, in visible order.
*/
focusNth(index: number, eventPayload?: any): void;
/**
* Focuses the last element, in visible order. Will focus the last
* child from the provided element's parent if any.
*/
focusLast(eventPayload?: any, from?: any): void;
/**
* Focuses the element at the end of the next page, in visible order.
*/
focusNextPage(eventPayload?: any): void;
/**
* Focuses the element at the beginning of the previous page, in visible order.
*/
focusPreviousPage(eventPayload?: any): void;
/**
* Clears the focus.
*/
clearFocus(eventPayload?: any): void;
// @todo anthonydresser 4/12/19 we need to refactor our code to not need these methods
/**
* Adds the trait to elements.
*/
addTraits(trait: string, elements: any[]): void;
/**
* Removes the trait from elements.
*/
removeTraits(trait: string, elements: any[]): void;
/**
* Selects an element.
*/
select(element: any, eventPayload?: any): void;
/**
* Deselects an element.
*/
deselect(element: any, eventPayload?: any): void;
// END @todo
/**
* Returns a navigator which allows to discover the visible and
* expanded elements in the tree.
*/
getNavigator(fromElement?: any, subTreeOnly?: boolean): INavigator<any>;
/**
* Apply styles to the tree.
*/
style(styles: ITreeStyles): void;
/**
* Disposes the tree
*/
dispose(): void;
}
export interface IDataSource {
/**
* Returns the unique identifier of the given element.
* No more than one element may use a given identifier.
*
* You should not attempt to "move" an element to a different
* parent by keeping its ID. The idea here is to have tree location
* related IDs (e.g. full file path, in the Explorer example).
*/
getId(tree: ITree, element: any): string;
/**
* Returns a boolean value indicating whether the element has children.
*/
hasChildren(tree: ITree, element: any): boolean;
/**
* Returns the element's children as an array in a promise.
*/
getChildren(tree: ITree, element: any): Promise<any>;
/**
* Returns the element's parent in a promise.
*/
getParent(tree: ITree, element: any): Promise<any>;
/**
* Returns whether an element should be expanded when first added to the tree.
*/
shouldAutoexpand?(tree: ITree, element: any): boolean;
}
export interface IRenderer {
/**
* Returns the element's height in the tree, in pixels.
*/
getHeight(tree: ITree, element: any): number;
/**
* Returns a template ID for a given element. This will be used as an identifier
* for the next 3 methods.
*/
getTemplateId(tree: ITree, element: any): string;
/**
* Renders the template in a DOM element. This method should render all the DOM
* structure for an hypothetical element leaving its contents blank. It should
* return an object bag which will be passed along to `renderElement` and used
* to fill in those blanks.
*
* You should do all DOM creating and object allocation in this method. It
* will be called only a few times.
*/
renderTemplate(tree: ITree, templateId: string, container: HTMLElement): any;
/**
* Renders an element, given an object bag returned by `renderTemplate`.
* This method should do as little as possible and ideally it should only fill
* in the blanks left by `renderTemplate`.
*
* Try to make this method do as little possible, since it will be called very
* often.
*/
renderElement(tree: ITree, element: any, templateId: string, templateData: any): void;
/**
* Disposes a template that was once rendered.
*/
disposeTemplate(tree: ITree, templateId: string, templateData: any): void;
}
export interface IAccessibilityProvider {
/**
* Given an element in the tree, return the ARIA label that should be associated with the
* item. This helps screen readers to provide a meaningful label for the currently focused
* tree element.
*
* Returning null will not disable ARIA for the element. Instead it is up to the screen reader
* to compute a meaningful label based on the contents of the element in the DOM
*
* See also: https://www.w3.org/TR/wai-aria/states_and_properties#aria-label
*/
getAriaLabel(tree: ITree, element: any): string | null;
/**
* Given an element in the tree return its aria-posinset. Should be between 1 and aria-setsize
* https://www.w3.org/TR/wai-aria/states_and_properties#aria-posinset
*/
getPosInSet?(tree: ITree, element: any): string;
/**
* Return the aria-setsize of the tree.
* https://www.w3.org/TR/wai-aria/states_and_properties#aria-setsize
*/
getSetSize?(): string;
}
export /* abstract */ class ContextMenuEvent {
private _posx: number;
private _posy: number;
private _target: HTMLElement;
constructor(posx: number, posy: number, target: HTMLElement) {
this._posx = posx;
this._posy = posy;
this._target = target;
}
public preventDefault(): void {
// no-op
}
public stopPropagation(): void {
// no-op
}
public get posx(): number {
return this._posx;
}
public get posy(): number {
return this._posy;
}
public get target(): HTMLElement {
return this._target;
}
}
export class MouseContextMenuEvent extends ContextMenuEvent {
private originalEvent: Mouse.IMouseEvent;
constructor(originalEvent: Mouse.IMouseEvent) {
super(originalEvent.posx, originalEvent.posy, originalEvent.target);
this.originalEvent = originalEvent;
}
public override preventDefault(): void {
this.originalEvent.preventDefault();
}
public override stopPropagation(): void {
this.originalEvent.stopPropagation();
}
}
export class KeyboardContextMenuEvent extends ContextMenuEvent {
private originalEvent: Keyboard.IKeyboardEvent;
constructor(posx: number, posy: number, originalEvent: Keyboard.IKeyboardEvent) {
super(posx, posy, originalEvent.target);
this.originalEvent = originalEvent;
}
public override preventDefault(): void {
this.originalEvent.preventDefault();
}
public override stopPropagation(): void {
this.originalEvent.stopPropagation();
}
}
export interface IController {
/**
* Called when an element is clicked.
*/
onClick(tree: ITree, element: any, event: Mouse.IMouseEvent): boolean;
/**
* Called when an element is requested for a context menu.
*/
onContextMenu(tree: ITree, element: any, event: ContextMenuEvent): boolean;
/**
* Called when an element is tapped.
*/
onTap(tree: ITree, element: any, event: Touch.GestureEvent): boolean;
/**
* Called when a key is pressed down while selecting elements.
*/
onKeyDown(tree: ITree, event: Keyboard.IKeyboardEvent): boolean;
/**
* Called when a key is released while selecting elements.
*/
onKeyUp(tree: ITree, event: Keyboard.IKeyboardEvent): boolean;
/**
* Called when a mouse middle button is pressed down on an element.
*/
onMouseMiddleClick?(tree: ITree, element: any, event: Mouse.IMouseEvent): boolean;
/**
* Called when a mouse button is pressed down on an element.
*/
onMouseDown?(tree: ITree, element: any, event: Mouse.IMouseEvent): boolean;
/**
* Called when a mouse button goes up on an element.
*/
onMouseUp?(tree: ITree, element: any, event: Mouse.IMouseEvent): boolean;
}
export const enum DragOverEffect {
COPY,
MOVE
}
export const enum DragOverBubble {
BUBBLE_DOWN,
BUBBLE_UP
}
export interface IDragOverReaction {
accept: boolean;
effect?: DragOverEffect;
bubble?: DragOverBubble;
autoExpand?: boolean;
}
// @todo anthonydresser 4/12/19 refactor to not need this
export const DRAG_OVER_REJECT: IDragOverReaction = { accept: false };
export const DRAG_OVER_ACCEPT: IDragOverReaction = { accept: true };
export const DRAG_OVER_ACCEPT_BUBBLE_UP: IDragOverReaction = { accept: true, bubble: DragOverBubble.BUBBLE_UP };
export const DRAG_OVER_ACCEPT_BUBBLE_DOWN = (autoExpand = false) => ({ accept: true, bubble: DragOverBubble.BUBBLE_DOWN, autoExpand });
export const DRAG_OVER_ACCEPT_BUBBLE_UP_COPY: IDragOverReaction = { accept: true, bubble: DragOverBubble.BUBBLE_UP, effect: DragOverEffect.COPY };
export const DRAG_OVER_ACCEPT_BUBBLE_DOWN_COPY = (autoExpand = false) => ({ accept: true, bubble: DragOverBubble.BUBBLE_DOWN, effect: DragOverEffect.COPY, autoExpand });
// END @todo
export interface IDragAndDrop {
/**
* Returns a uri if the given element should be allowed to drag.
* Returns null, otherwise.
*/
getDragURI(tree: ITree, element: any): string | null;
/**
* Returns a label to display when dragging the element.
*/
getDragLabel?(tree: ITree, elements: any[]): string;
/**
* Sent when the drag operation is starting.
*/
onDragStart(tree: ITree, data: IDragAndDropData, originalEvent: Mouse.DragMouseEvent): void;
/**
* Returns a DragOverReaction indicating whether sources can be
* dropped into target or some parent of the target.
*/
onDragOver(tree: ITree, data: IDragAndDropData, targetElement: any, originalEvent: Mouse.DragMouseEvent): IDragOverReaction | null;
/**
* Handles the action of dropping sources into target.
*/
drop(tree: ITree, data: IDragAndDropData, targetElement: any, originalEvent: Mouse.DragMouseEvent): void;
/**
* Handles the action of canceled drag-and-drop activities
*/
dropAbort(tree: ITree, data: IDragAndDropData): void;
}
export interface IFilter {
/**
* Returns whether the given element should be visible.
*/
isVisible(tree: ITree, element: any): boolean;
}
export interface ISorter {
/**
* Compare two elements in the viewer to define the sorting order.
*/
compare(tree: ITree, element: any, otherElement: any): number;
}
// Events
export interface ISelectionEvent {
selection: any[];
payload?: any;
}
export interface IFocusEvent {
focus: any;
payload?: any;
}
export interface IHighlightEvent {
highlight: any;
payload?: any;
}
// Options
export interface ITreeConfiguration {
dataSource: IDataSource;
renderer?: IRenderer;
controller?: IController;
dnd?: IDragAndDrop;
filter?: IFilter;
sorter?: ISorter;
accessibilityProvider?: IAccessibilityProvider;
styler?: ITreeStyler;
}
export interface ITreeOptions extends ITreeStyles {
twistiePixels?: number;
showTwistie?: boolean;
indentPixels?: number;
verticalScrollMode?: ScrollbarVisibility;
horizontalScrollMode?: ScrollbarVisibility;
alwaysFocused?: boolean;
autoExpandSingleChildren?: boolean;
useShadows?: boolean;
paddingOnRow?: boolean;
ariaLabel?: string;
keyboardSupport?: boolean;
preventRootFocus?: boolean;
showLoading?: boolean;
}
export interface ITreeStyler {
style(styles: ITreeStyles): void;
}
export interface ITreeStyles {
listFocusBackground?: Color;
listFocusForeground?: Color;
listActiveSelectionBackground?: Color;
listActiveSelectionForeground?: Color;
listFocusAndSelectionBackground?: Color;
listFocusAndSelectionForeground?: Color;
listInactiveSelectionBackground?: Color;
listInactiveSelectionForeground?: Color;
listHoverBackground?: Color;
listHoverForeground?: Color;
listDropBackground?: Color;
listFocusOutline?: Color;
}
export interface ITreeContext extends ITreeConfiguration {
tree: ITree;
options: ITreeOptions;
}
export interface IActionProvider {
/**
* Returns whether or not the element has actions. These show up in place right to the element in the tree.
*/
hasActions(tree: ITree | null, element: any): boolean;
/**
* Returns an array with the actions of the element that should show up in place right to the element in the tree.
*/
getActions(tree: ITree | null, element: any): ReadonlyArray<IAction> | null;
}

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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the Source EULA. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as nls from 'vs/nls';
import { Action } from 'vs/base/common/actions';
import * as platform from 'vs/base/common/platform';
import * as touch from 'vs/base/browser/touch';
import * as errors from 'vs/base/common/errors';
import * as dom from 'vs/base/browser/dom';
import * as mouse from 'vs/base/browser/mouseEvent';
import { IKeyboardEvent } from 'vs/base/browser/keyboardEvent';
import * as _ from 'sql/base/parts/tree/browser/tree';
import { IDragAndDropData } from 'vs/base/browser/dnd';
import { KeyCode, KeyMod } from 'vs/base/common/keyCodes';
import { createKeybinding, Keybinding, SimpleKeybinding } from 'vs/base/common/keybindings';
export interface IKeyBindingCallback {
(tree: _.ITree, event: IKeyboardEvent): void;
}
export interface ICancelableEvent {
preventDefault(): void;
stopPropagation(): void;
}
export const enum ClickBehavior {
/**
* Handle the click when the mouse button is pressed but not released yet.
*/
ON_MOUSE_DOWN,
/**
* Handle the click when the mouse button is released.
*/
ON_MOUSE_UP
}
export const enum OpenMode {
SINGLE_CLICK,
DOUBLE_CLICK
}
export interface IControllerOptions {
clickBehavior?: ClickBehavior;
openMode?: OpenMode;
keyboardSupport?: boolean;
}
interface IKeybindingDispatcherItem {
keybinding: Keybinding | null;
callback: IKeyBindingCallback;
}
export class KeybindingDispatcher {
private _arr: IKeybindingDispatcherItem[];
constructor() {
this._arr = [];
}
public has(keybinding: KeyCode): boolean {
let target = createKeybinding(keybinding, platform.OS);
if (target !== null) {
for (const a of this._arr) {
if (target.equals(a.keybinding)) {
return true;
}
}
}
return false;
}
public set(keybinding: number, callback: IKeyBindingCallback) {
this._arr.push({
keybinding: createKeybinding(keybinding, platform.OS),
callback: callback
});
}
public dispatch(keybinding: SimpleKeybinding): IKeyBindingCallback | null {
// Loop from the last to the first to handle overwrites
for (let i = this._arr.length - 1; i >= 0; i--) {
let item = this._arr[i];
if (keybinding.toChord().equals(item.keybinding)) {
return item.callback;
}
}
return null;
}
}
export class DefaultController implements _.IController {
protected downKeyBindingDispatcher: KeybindingDispatcher;
protected upKeyBindingDispatcher: KeybindingDispatcher;
private options: IControllerOptions;
constructor(options: IControllerOptions = { clickBehavior: ClickBehavior.ON_MOUSE_DOWN, keyboardSupport: true, openMode: OpenMode.SINGLE_CLICK }) {
this.options = options;
this.downKeyBindingDispatcher = new KeybindingDispatcher();
this.upKeyBindingDispatcher = new KeybindingDispatcher();
if (typeof options.keyboardSupport !== 'boolean' || options.keyboardSupport) {
this.downKeyBindingDispatcher.set(KeyCode.UpArrow, (t, e) => this.onUp(t, e));
this.downKeyBindingDispatcher.set(KeyCode.DownArrow, (t, e) => this.onDown(t, e));
this.downKeyBindingDispatcher.set(KeyCode.LeftArrow, (t, e) => this.onLeft(t, e));
this.downKeyBindingDispatcher.set(KeyCode.RightArrow, (t, e) => this.onRight(t, e));
if (platform.isMacintosh) {
this.downKeyBindingDispatcher.set(KeyMod.CtrlCmd | KeyCode.UpArrow, (t, e) => this.onLeft(t, e));
this.downKeyBindingDispatcher.set(KeyMod.WinCtrl | KeyCode.KeyN, (t, e) => this.onDown(t, e));
this.downKeyBindingDispatcher.set(KeyMod.WinCtrl | KeyCode.KeyP, (t, e) => this.onUp(t, e));
}
this.downKeyBindingDispatcher.set(KeyCode.PageUp, (t, e) => this.onPageUp(t, e));
this.downKeyBindingDispatcher.set(KeyCode.PageDown, (t, e) => this.onPageDown(t, e));
this.downKeyBindingDispatcher.set(KeyCode.Home, (t, e) => this.onHome(t, e));
this.downKeyBindingDispatcher.set(KeyCode.End, (t, e) => this.onEnd(t, e));
this.downKeyBindingDispatcher.set(KeyCode.Space, (t, e) => this.onSpace(t, e));
this.downKeyBindingDispatcher.set(KeyCode.Escape, (t, e) => this.onEscape(t, e));
this.upKeyBindingDispatcher.set(KeyCode.Enter, this.onEnter.bind(this));
this.upKeyBindingDispatcher.set(KeyMod.CtrlCmd | KeyCode.Enter, this.onEnter.bind(this));
}
}
public onMouseDown(tree: _.ITree, element: any, event: mouse.IMouseEvent, origin: string = 'mouse'): boolean {
if (this.options.clickBehavior === ClickBehavior.ON_MOUSE_DOWN && (event.leftButton || event.middleButton)) {
if (event.target) {
if (event.target.tagName && event.target.tagName.toLowerCase() === 'input') {
return false; // Ignore event if target is a form input field (avoids browser specific issues)
}
if (dom.findParentWithClass(event.target, 'scrollbar', 'monaco-tree')) {
return false;
}
if (dom.findParentWithClass(event.target, 'monaco-action-bar', 'row')) { // TODO@Joao not very nice way of checking for the action bar (implicit knowledge)
return false; // Ignore event if target is over an action bar of the row
}
}
// Propagate to onLeftClick now
return this.onLeftClick(tree, element, event, origin);
}
return false;
}
public onClick(tree: _.ITree, element: any, event: mouse.IMouseEvent): boolean {
const isMac = platform.isMacintosh;
// A Ctrl click on the Mac is a context menu event
if (isMac && event.ctrlKey) {
event.preventDefault();
event.stopPropagation();
return false;
}
if (event.target && event.target.tagName && event.target.tagName.toLowerCase() === 'input') {
return false; // Ignore event if target is a form input field (avoids browser specific issues)
}
if (this.options.clickBehavior === ClickBehavior.ON_MOUSE_DOWN && (event.leftButton || event.middleButton)) {
return false; // Already handled by onMouseDown
}
return this.onLeftClick(tree, element, event);
}
protected onLeftClick(tree: _.ITree, element: any, eventish: ICancelableEvent, origin: string = 'mouse'): boolean {
const event = <mouse.IMouseEvent>eventish;
const payload = { origin: origin, originalEvent: eventish, didClickOnTwistie: this.isClickOnTwistie(event) };
if (tree.getInput() === element) {
tree.clearFocus(payload);
tree.clearSelection(payload);
} else {
const isSingleMouseDown = eventish && event.browserEvent && event.browserEvent.type === 'mousedown' && event.browserEvent.detail === 1;
if (!isSingleMouseDown) {
eventish.preventDefault(); // we cannot preventDefault onMouseDown with single click because this would break DND otherwise
}
eventish.stopPropagation();
tree.domFocus();
tree.setSelection([element], payload);
tree.setFocus(element, payload);
if (this.shouldToggleExpansion(element, event, origin)) {
if (tree.isExpanded(element)) {
tree.collapse(element).then(undefined, errors.onUnexpectedError);
} else {
tree.expand(element).then(undefined, errors.onUnexpectedError);
}
}
}
return true;
}
protected shouldToggleExpansion(element: any, event: mouse.IMouseEvent, origin: string): boolean {
const isDoubleClick = (origin === 'mouse' && event.detail === 2);
return this.openOnSingleClick || isDoubleClick || this.isClickOnTwistie(event);
}
protected setOpenMode(openMode: OpenMode) {
this.options.openMode = openMode;
}
protected get openOnSingleClick(): boolean {
return this.options.openMode === OpenMode.SINGLE_CLICK;
}
protected isClickOnTwistie(event: mouse.IMouseEvent): boolean {
let element = event.target as HTMLElement;
if (!element.classList.contains('content')) {
return false;
}
const twistieStyle = window.getComputedStyle(element, ':before');
if (twistieStyle.backgroundImage === 'none' || twistieStyle.display === 'none') {
return false;
}
const twistieWidth = parseInt(twistieStyle.width!) + parseInt(twistieStyle.paddingRight!);
return event.browserEvent.offsetX <= twistieWidth;
}
public onContextMenu(tree: _.ITree, element: any, event: _.ContextMenuEvent): boolean {
if (event.target && event.target.tagName && event.target.tagName.toLowerCase() === 'input') {
return false; // allow context menu on input fields
}
// Prevent native context menu from showing up
if (event) {
event.preventDefault();
event.stopPropagation();
}
return false;
}
public onTap(tree: _.ITree, element: any, event: touch.GestureEvent): boolean {
const target = <HTMLElement>event.initialTarget;
if (target && target.tagName && target.tagName.toLowerCase() === 'input') {
return false; // Ignore event if target is a form input field (avoids browser specific issues)
}
return this.onLeftClick(tree, element, event, 'touch');
}
public onKeyDown(tree: _.ITree, event: IKeyboardEvent): boolean {
return this.onKey(this.downKeyBindingDispatcher, tree, event);
}
public onKeyUp(tree: _.ITree, event: IKeyboardEvent): boolean {
return this.onKey(this.upKeyBindingDispatcher, tree, event);
}
private onKey(bindings: KeybindingDispatcher, tree: _.ITree, event: IKeyboardEvent): boolean {
const handler: any = bindings.dispatch(event.toKeybinding());
if (handler) {
// TODO: TS 3.1 upgrade. Why are we checking against void?
if (handler(tree, event)) {
event.preventDefault();
event.stopPropagation();
return true;
}
}
return false;
}
protected onUp(tree: _.ITree, event: IKeyboardEvent): boolean {
const payload = { origin: 'keyboard', originalEvent: event };
if (tree.getHighlight()) {
tree.clearHighlight(payload);
} else {
tree.focusPrevious(1, payload);
tree.reveal(tree.getFocus()).then(undefined, errors.onUnexpectedError);
}
return true;
}
protected onPageUp(tree: _.ITree, event: IKeyboardEvent): boolean {
const payload = { origin: 'keyboard', originalEvent: event };
if (tree.getHighlight()) {
tree.clearHighlight(payload);
} else {
tree.focusPreviousPage(payload);
tree.reveal(tree.getFocus()).then(undefined, errors.onUnexpectedError);
}
return true;
}
protected onDown(tree: _.ITree, event: IKeyboardEvent): boolean {
const payload = { origin: 'keyboard', originalEvent: event };
if (tree.getHighlight()) {
tree.clearHighlight(payload);
} else {
tree.focusNext(1, payload);
tree.reveal(tree.getFocus()).then(undefined, errors.onUnexpectedError);
}
return true;
}
protected onPageDown(tree: _.ITree, event: IKeyboardEvent): boolean {
const payload = { origin: 'keyboard', originalEvent: event };
if (tree.getHighlight()) {
tree.clearHighlight(payload);
} else {
tree.focusNextPage(payload);
tree.reveal(tree.getFocus()).then(undefined, errors.onUnexpectedError);
}
return true;
}
protected onHome(tree: _.ITree, event: IKeyboardEvent): boolean {
const payload = { origin: 'keyboard', originalEvent: event };
if (tree.getHighlight()) {
tree.clearHighlight(payload);
} else {
tree.focusFirst(payload);
tree.reveal(tree.getFocus()).then(undefined, errors.onUnexpectedError);
}
return true;
}
protected onEnd(tree: _.ITree, event: IKeyboardEvent): boolean {
const payload = { origin: 'keyboard', originalEvent: event };
if (tree.getHighlight()) {
tree.clearHighlight(payload);
} else {
tree.focusLast(payload);
tree.reveal(tree.getFocus()).then(undefined, errors.onUnexpectedError);
}
return true;
}
protected onLeft(tree: _.ITree, event: IKeyboardEvent): boolean {
const payload = { origin: 'keyboard', originalEvent: event };
if (tree.getHighlight()) {
tree.clearHighlight(payload);
} else {
const focus = tree.getFocus();
tree.collapse(focus).then(didCollapse => {
if (focus && !didCollapse) {
tree.focusParent(payload);
return tree.reveal(tree.getFocus());
}
return undefined;
}).then(undefined, errors.onUnexpectedError);
}
return true;
}
protected onRight(tree: _.ITree, event: IKeyboardEvent): boolean {
const payload = { origin: 'keyboard', originalEvent: event };
if (tree.getHighlight()) {
tree.clearHighlight(payload);
} else {
const focus = tree.getFocus();
tree.expand(focus).then(didExpand => {
if (focus && !didExpand) {
tree.focusFirstChild(payload);
return tree.reveal(tree.getFocus());
}
return undefined;
}).then(undefined, errors.onUnexpectedError);
}
return true;
}
protected onEnter(tree: _.ITree, event: IKeyboardEvent): boolean {
const payload = { origin: 'keyboard', originalEvent: event };
if (tree.getHighlight()) {
return false;
}
const focus = tree.getFocus();
if (focus) {
tree.setSelection([focus], payload);
}
return true;
}
protected onSpace(tree: _.ITree, event: IKeyboardEvent): boolean {
if (tree.getHighlight()) {
return false;
}
const focus = tree.getFocus();
if (focus) {
tree.toggleExpansion(focus);
}
return true;
}
protected onEscape(tree: _.ITree, event: IKeyboardEvent): boolean {
const payload = { origin: 'keyboard', originalEvent: event };
if (tree.getHighlight()) {
tree.clearHighlight(payload);
return true;
}
if (tree.getSelection().length) {
tree.clearSelection(payload);
return true;
}
if (tree.getFocus()) {
tree.clearFocus(payload);
return true;
}
return false;
}
}
export class DefaultDragAndDrop implements _.IDragAndDrop {
public getDragURI(tree: _.ITree, element: any): string | null {
return null;
}
public onDragStart(tree: _.ITree, data: IDragAndDropData, originalEvent: mouse.DragMouseEvent): void {
return;
}
public onDragOver(tree: _.ITree, data: IDragAndDropData, targetElement: any, originalEvent: mouse.DragMouseEvent): _.IDragOverReaction | null {
return null;
}
public drop(tree: _.ITree, data: IDragAndDropData, targetElement: any, originalEvent: mouse.DragMouseEvent): void {
return;
}
public dropAbort(tree: _.ITree, data: IDragAndDropData): void { }
}
export class DefaultFilter implements _.IFilter {
public isVisible(tree: _.ITree, element: any): boolean {
return true;
}
}
export class DefaultSorter implements _.ISorter {
public compare(tree: _.ITree, element: any, otherElement: any): number {
return 0;
}
}
export class DefaultAccessibilityProvider implements _.IAccessibilityProvider {
getAriaLabel(tree: _.ITree, element: any): string | null {
return null;
}
}
export class DefaultTreestyler implements _.ITreeStyler {
constructor(private styleElement: HTMLStyleElement, private selectorSuffix?: string) { }
style(styles: _.ITreeStyles): void {
const suffix = this.selectorSuffix ? `.${this.selectorSuffix}` : '';
const content: string[] = [];
if (styles.listFocusBackground) {
content.push(`.monaco-tree${suffix}.focused .monaco-tree-rows > .monaco-tree-row.focused:not(.highlighted) { background-color: ${styles.listFocusBackground}; }`);
}
if (styles.listFocusForeground) {
content.push(`.monaco-tree${suffix}.focused .monaco-tree-rows > .monaco-tree-row.focused:not(.highlighted) { color: ${styles.listFocusForeground}; }`);
}
if (styles.listActiveSelectionBackground) {
content.push(`.monaco-tree${suffix}.focused .monaco-tree-rows > .monaco-tree-row.selected:not(.highlighted) { background-color: ${styles.listActiveSelectionBackground}; }`);
}
if (styles.listActiveSelectionForeground) {
content.push(`.monaco-tree${suffix}.focused .monaco-tree-rows > .monaco-tree-row.selected:not(.highlighted) { color: ${styles.listActiveSelectionForeground}; }`);
}
if (styles.listFocusAndSelectionBackground) {
content.push(`
.monaco-tree-drag-image,
.monaco-tree${suffix}.focused .monaco-tree-rows > .monaco-tree-row.focused.selected:not(.highlighted) { background-color: ${styles.listFocusAndSelectionBackground}; }
`);
}
if (styles.listFocusAndSelectionForeground) {
content.push(`
.monaco-tree-drag-image,
.monaco-tree${suffix}.focused .monaco-tree-rows > .monaco-tree-row.focused.selected:not(.highlighted) { color: ${styles.listFocusAndSelectionForeground}; }
`);
}
if (styles.listInactiveSelectionBackground) {
content.push(`.monaco-tree${suffix} .monaco-tree-rows > .monaco-tree-row.selected:not(.highlighted) { background-color: ${styles.listInactiveSelectionBackground}; }`);
}
if (styles.listInactiveSelectionForeground) {
content.push(`.monaco-tree${suffix} .monaco-tree-rows > .monaco-tree-row.selected:not(.highlighted) { color: ${styles.listInactiveSelectionForeground}; }`);
}
if (styles.listHoverBackground) {
content.push(`.monaco-tree${suffix} .monaco-tree-rows > .monaco-tree-row:hover:not(.highlighted):not(.selected):not(.focused) { background-color: ${styles.listHoverBackground}; }`);
}
if (styles.listHoverForeground) {
content.push(`.monaco-tree${suffix} .monaco-tree-rows > .monaco-tree-row:hover:not(.highlighted):not(.selected):not(.focused) { color: ${styles.listHoverForeground}; }`);
}
if (styles.listDropBackground) {
content.push(`
.monaco-tree${suffix} .monaco-tree-wrapper.drop-target,
.monaco-tree${suffix} .monaco-tree-rows > .monaco-tree-row.drop-target { background-color: ${styles.listDropBackground} !important; color: inherit !important; }
`);
}
if (styles.listFocusOutline) {
content.push(`
.monaco-tree-drag-image { border: 1px solid ${styles.listFocusOutline}; background: #000; }
.monaco-tree${suffix} .monaco-tree-rows > .monaco-tree-row { border: 1px solid transparent; }
.monaco-tree${suffix}.focused .monaco-tree-rows > .monaco-tree-row.focused:not(.highlighted) { border: 1px dotted ${styles.listFocusOutline}; }
.monaco-tree${suffix}.focused .monaco-tree-rows > .monaco-tree-row.selected:not(.highlighted) { border: 1px solid ${styles.listFocusOutline}; }
.monaco-tree${suffix} .monaco-tree-rows > .monaco-tree-row.selected:not(.highlighted) { border: 1px solid ${styles.listFocusOutline}; }
.monaco-tree${suffix} .monaco-tree-rows > .monaco-tree-row:hover:not(.highlighted):not(.selected):not(.focused) { border: 1px dashed ${styles.listFocusOutline}; }
.monaco-tree${suffix} .monaco-tree-wrapper.drop-target,
.monaco-tree${suffix} .monaco-tree-rows > .monaco-tree-row.drop-target { border: 1px dashed ${styles.listFocusOutline}; }
`);
}
const newStyles = content.join('\n');
if (newStyles !== this.styleElement.innerHTML) {
this.styleElement.innerHTML = newStyles;
}
}
}
export class CollapseAllAction extends Action {
constructor(private viewer: _.ITree, enabled: boolean) {
super('vs.tree.collapse', nls.localize('collapse all', "Collapse All"), 'monaco-tree-action collapse-all', enabled);
}
public override run(context?: any): Promise<any> {
if (this.viewer.getHighlight()) {
return Promise.resolve(); // Global action disabled if user is in edit mode from another action
}
this.viewer.collapseAll();
this.viewer.clearSelection();
this.viewer.clearFocus();
this.viewer.domFocus();
this.viewer.focusFirst();
return Promise.resolve();
}
}

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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the Source EULA. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as _ from 'sql/base/parts/tree/browser/tree';
import { IDragAndDropData } from 'vs/base/browser/dnd';
export class ElementsDragAndDropData implements IDragAndDropData {
private elements: any[];
constructor(elements: any[]) {
this.elements = elements;
}
public update(dataTransfer: DataTransfer): void {
// no-op
}
public getData(): any {
return this.elements;
}
}
export class ExternalElementsDragAndDropData implements IDragAndDropData {
private elements: any[];
constructor(elements: any[]) {
this.elements = elements;
}
public update(dataTransfer: DataTransfer): void {
// no-op
}
public getData(): any {
return this.elements;
}
}
export class DesktopDragAndDropData implements IDragAndDropData {
private types: any[];
private files: any[];
constructor() {
this.types = [];
this.files = [];
}
public update(dataTransfer: DataTransfer): void {
if (dataTransfer.types) {
this.types = [];
Array.prototype.push.apply(this.types, dataTransfer.types as any);
}
if (dataTransfer.files) {
this.files = [];
Array.prototype.push.apply(this.files, dataTransfer.files as any);
this.files = this.files.filter(f => f.size || f.type);
}
}
public getData(): any {
return {
types: this.types,
files: this.files
};
}
}

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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the Source EULA. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import 'vs/css!./tree';
import * as TreeDefaults from 'sql/base/parts/tree/browser/treeDefaults';
import * as Model from 'sql/base/parts/tree/browser/treeModel';
import * as View from './treeView';
import * as _ from 'sql/base/parts/tree/browser/tree';
import { INavigator, MappedNavigator } from 'sql/base/common/navigator';
import { Event, Emitter, Relay } from 'vs/base/common/event';
import { Color } from 'vs/base/common/color';
import { mixin } from 'vs/base/common/objects';
export class TreeContext implements _.ITreeContext {
public tree: _.ITree;
public configuration: _.ITreeConfiguration;
public options: _.ITreeOptions;
public dataSource: _.IDataSource;
public renderer?: _.IRenderer;
public controller: _.IController;
public dnd: _.IDragAndDrop;
public filter: _.IFilter;
public sorter?: _.ISorter;
public accessibilityProvider: _.IAccessibilityProvider;
public styler?: _.ITreeStyler;
constructor(tree: _.ITree, configuration: _.ITreeConfiguration, options: _.ITreeOptions = {}) {
this.tree = tree;
this.configuration = configuration;
this.options = options;
if (!configuration.dataSource) {
throw new Error('You must provide a Data Source to the tree.');
}
this.dataSource = configuration.dataSource;
this.renderer = configuration.renderer;
this.controller = configuration.controller || new TreeDefaults.DefaultController({ clickBehavior: TreeDefaults.ClickBehavior.ON_MOUSE_UP, keyboardSupport: typeof options.keyboardSupport !== 'boolean' || options.keyboardSupport });
this.dnd = configuration.dnd || new TreeDefaults.DefaultDragAndDrop();
this.filter = configuration.filter || new TreeDefaults.DefaultFilter();
this.sorter = configuration.sorter;
this.accessibilityProvider = configuration.accessibilityProvider || new TreeDefaults.DefaultAccessibilityProvider();
this.styler = configuration.styler;
}
}
const defaultStyles: _.ITreeStyles = {
listFocusBackground: Color.fromHex('#073655'),
listActiveSelectionBackground: Color.fromHex('#0E639C'),
listActiveSelectionForeground: Color.fromHex('#FFFFFF'),
listFocusAndSelectionBackground: Color.fromHex('#094771'),
listFocusAndSelectionForeground: Color.fromHex('#FFFFFF'),
listInactiveSelectionBackground: Color.fromHex('#3F3F46'),
listHoverBackground: Color.fromHex('#2A2D2E'),
listDropBackground: Color.fromHex('#383B3D')
};
export class Tree implements _.ITree {
private container: HTMLElement;
private context: _.ITreeContext;
private model: Model.TreeModel;
private view: View.TreeView;
private _onDidChangeFocus = new Relay<_.IFocusEvent>();
readonly onDidChangeFocus: Event<_.IFocusEvent> = this._onDidChangeFocus.event;
private _onDidChangeSelection = new Relay<_.ISelectionEvent>();
readonly onDidChangeSelection: Event<_.ISelectionEvent> = this._onDidChangeSelection.event;
private _onHighlightChange = new Relay<_.IHighlightEvent>();
readonly onDidChangeHighlight: Event<_.IHighlightEvent> = this._onHighlightChange.event;
private _onDidExpandItem = new Relay<Model.IItemExpandEvent>();
readonly onDidExpandItem: Event<Model.IItemExpandEvent> = this._onDidExpandItem.event;
private _onDidCollapseItem = new Relay<Model.IItemCollapseEvent>();
readonly onDidCollapseItem: Event<Model.IItemCollapseEvent> = this._onDidCollapseItem.event;
private readonly _onDispose = new Emitter<void>();
readonly onDidDispose: Event<void> = this._onDispose.event;
constructor(container: HTMLElement, configuration: _.ITreeConfiguration, options: _.ITreeOptions = {}) {
this.container = container;
mixin(options, defaultStyles, false);
options.twistiePixels = typeof options.twistiePixels === 'number' ? options.twistiePixels : 32;
options.showTwistie = options.showTwistie === false ? false : true;
options.indentPixels = typeof options.indentPixels === 'number' ? options.indentPixels : 12;
options.alwaysFocused = options.alwaysFocused === true ? true : false;
options.useShadows = options.useShadows === false ? false : true;
options.paddingOnRow = options.paddingOnRow === false ? false : true;
options.showLoading = options.showLoading === false ? false : true;
this.context = new TreeContext(this, configuration, options);
this.model = new Model.TreeModel(this.context);
this.view = new View.TreeView(this.context, this.container);
this.view.setModel(this.model);
this._onDidChangeFocus.input = this.model.onDidFocus;
this._onDidChangeSelection.input = this.model.onDidSelect;
this._onHighlightChange.input = this.model.onDidHighlight;
this._onDidExpandItem.input = this.model.onDidExpandItem;
this._onDidCollapseItem.input = this.model.onDidCollapseItem;
}
public style(styles: _.ITreeStyles): void {
this.view.applyStyles(styles);
}
get onDidFocus(): Event<void> {
return this.view.onDOMFocus;
}
get onDidBlur(): Event<void> {
return this.view.onDOMBlur;
}
get onDidScroll(): Event<void> {
return this.view.onDidScroll;
}
public getHTMLElement(): HTMLElement {
return this.view.getHTMLElement();
}
public layout(height?: number, width?: number): void {
this.view.layout(height, width);
}
public domFocus(): void {
this.view.focus();
}
public isDOMFocused(): boolean {
return this.view.isFocused();
}
public domBlur(): void {
this.view.blur();
}
public onVisible(): void {
this.view.onVisible();
}
public onHidden(): void {
this.view.onHidden();
}
public setInput(element: any): Promise<any> {
return this.model.setInput(element);
}
public getInput(): any {
return this.model.getInput();
}
public refresh(element: any = null, recursive = true): Promise<any> {
return this.model.refresh(element, recursive);
}
public expand(element: any): Promise<any> {
return this.model.expand(element);
}
public expandAll(elements: any[]): Promise<any> {
return this.model.expandAll(elements);
}
public collapse(element: any, recursive: boolean = false): Promise<any> {
return this.model.collapse(element, recursive);
}
public collapseAll(elements: any[] | null = null, recursive: boolean = false): Promise<any> {
return this.model.collapseAll(elements, recursive);
}
public toggleExpansion(element: any, recursive: boolean = false): Promise<any> {
return this.model.toggleExpansion(element, recursive);
}
public isExpanded(element: any): boolean {
return this.model.isExpanded(element);
}
public reveal(element: any, relativeTop: number | null = null): Promise<any> {
return this.model.reveal(element, relativeTop);
}
public getExpandedElements(): any[] {
return this.model.getExpandedElements();
}
public getScrollPosition(): number {
return this.view.getScrollPosition();
}
public setScrollPosition(pos: number): void {
this.view.setScrollPosition(pos);
}
getContentHeight(): number {
return this.view.getContentHeight();
}
/**
* Sets the `aria-label` attribute of the underlying root HTML element.
*/
public set ariaLabel(value: string) {
this.getHTMLElement().setAttribute('aria-label', value);
}
public getHighlight(): any {
return this.model.getHighlight();
}
public clearHighlight(eventPayload?: any): void {
this.model.setHighlight(null, eventPayload);
}
public setSelection(elements: any[], eventPayload?: any): void {
this.model.setSelection(elements, eventPayload);
}
public getSelection(): any[] {
return this.model.getSelection();
}
public clearSelection(eventPayload?: any): void {
this.model.setSelection([], eventPayload);
}
public setFocus(element?: any, eventPayload?: any): void {
this.model.setFocus(element, eventPayload);
}
public getFocus(): any {
return this.model.getFocus();
}
public focusNext(count?: number, eventPayload?: any): void {
this.model.focusNext(count, eventPayload);
}
public focusPrevious(count?: number, eventPayload?: any): void {
this.model.focusPrevious(count, eventPayload);
}
public focusParent(eventPayload?: any): void {
this.model.focusParent(eventPayload);
}
public focusFirstChild(eventPayload?: any): void {
this.model.focusFirstChild(eventPayload);
}
public focusFirst(eventPayload?: any, from?: any): void {
this.model.focusFirst(eventPayload, from);
}
public focusNth(index: number, eventPayload?: any): void {
this.model.focusNth(index, eventPayload);
}
public focusLast(eventPayload?: any, from?: any): void {
this.model.focusLast(eventPayload, from);
}
public focusNextPage(eventPayload?: any): void {
this.view.focusNextPage(eventPayload);
}
public focusPreviousPage(eventPayload?: any): void {
this.view.focusPreviousPage(eventPayload);
}
public clearFocus(eventPayload?: any): void {
this.model.setFocus(null, eventPayload);
}
// @todo anthonydresser 4/12/19 we need to refactor our code to not need these methods
public addTraits(trait: string, elements: any[]): void {
this.model.addTraits(trait, elements);
}
public removeTraits(trait: string, elements: any[]): void {
this.model.removeTraits(trait, elements);
}
public select(element: any, eventPayload?: any): void {
this.model.select(element, eventPayload);
}
public deselect(element: any, eventPayload?: any): void {
this.model.deselect(element, eventPayload);
}
// END @todo
getNavigator(fromElement?: any, subTreeOnly?: boolean): INavigator<any> {
return new MappedNavigator(this.model.getNavigator(fromElement, subTreeOnly), i => i && i.getElement());
}
public dispose(): void {
this._onDispose.fire();
this.model.dispose();
this.view.dispose();
this._onDidChangeFocus.dispose();
this._onDidChangeSelection.dispose();
this._onHighlightChange.dispose();
this._onDidExpandItem.dispose();
this._onDidCollapseItem.dispose();
this._onDispose.dispose();
}
}

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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the Source EULA. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as _ from 'sql/base/parts/tree/browser/tree';
export function isEqualOrParent(tree: _.ITree, element: any, candidateParent: any): boolean {
const nav = tree.getNavigator(element);
do {
if (element === candidateParent) {
return true;
}
} while (element = nav.parent()); // eslint-disable-line no-cond-assign
return false;
}

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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the Source EULA. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import { onUnexpectedError } from 'vs/base/common/errors';
import { ArrayNavigator, INavigator } from 'vs/base/common/navigator';
import { Item } from './treeModel';
export interface IViewItem {
model: Item;
top: number;
height: number;
width: number;
}
export class HeightMap {
private heightMap: IViewItem[] = [];
private indexes: { [item: string]: number; } = {};
getContentHeight(): number {
let last = this.heightMap[this.heightMap.length - 1];
return !last ? 0 : last.top + last.height;
}
onInsertItems(iterator: INavigator<Item>, afterItemId: string | null = null): number | undefined {
let item: Item | null = null;
let viewItem: IViewItem;
let i: number, j: number;
let totalSize: number;
let sizeDiff = 0;
if (afterItemId === null) {
i = 0;
totalSize = 0;
} else {
i = this.indexes[afterItemId] + 1;
viewItem = this.heightMap[i - 1];
if (!viewItem) {
onUnexpectedError('view item doesn\'t exist');
return undefined;
}
totalSize = viewItem.top + viewItem.height;
}
const startingIndex = i;
let itemsToInsert: IViewItem[] = [];
// eslint-disable-next-line no-cond-assign
while (item = iterator.next()) {
viewItem = this.createViewItem(item);
viewItem.top = totalSize + sizeDiff;
this.indexes[item.id] = i++;
itemsToInsert.push(viewItem);
sizeDiff += viewItem.height;
}
this.heightMap.splice(startingIndex, 0, ...itemsToInsert);
for (j = i; j < this.heightMap.length; j++) {
viewItem = this.heightMap[j];
viewItem.top += sizeDiff;
this.indexes[viewItem.model.id] = j;
}
for (j = itemsToInsert.length - 1; j >= 0; j--) {
this.onInsertItem(itemsToInsert[j]);
}
for (j = this.heightMap.length - 1; j >= i; j--) {
this.onRefreshItem(this.heightMap[j]);
}
return sizeDiff;
}
onInsertItem(item: IViewItem): void {
// noop
}
// Contiguous items
onRemoveItems(iterator: INavigator<string>): void {
let itemId: string | null = null;
let viewItem: IViewItem;
let startIndex: number | null = null;
let i = 0;
let sizeDiff = 0;
// eslint-disable-next-line no-cond-assign
while (itemId = iterator.next()) {
i = this.indexes[itemId];
viewItem = this.heightMap[i];
if (!viewItem) {
onUnexpectedError('view item doesn\'t exist');
return;
}
sizeDiff -= viewItem.height;
delete this.indexes[itemId];
this.onRemoveItem(viewItem);
if (startIndex === null) {
startIndex = i;
}
}
if (sizeDiff === 0 || startIndex === null) {
return;
}
this.heightMap.splice(startIndex, i - startIndex + 1);
for (i = startIndex; i < this.heightMap.length; i++) {
viewItem = this.heightMap[i];
viewItem.top += sizeDiff;
this.indexes[viewItem.model.id] = i;
this.onRefreshItem(viewItem);
}
}
onRemoveItem(item: IViewItem): void {
// noop
}
onRefreshItemSet(items: Item[]): void {
let sortedItems = items.sort((a, b) => this.indexes[a.id] - this.indexes[b.id]);
this.onRefreshItems(new ArrayNavigator(sortedItems));
}
// Ordered, but not necessarily contiguous items
onRefreshItems(iterator: INavigator<Item>): void {
let item: Item | null = null;
let viewItem: IViewItem;
let newHeight: number;
let i: number, j: number | null = null;
let cummDiff = 0;
// eslint-disable-next-line no-cond-assign
while (item = iterator.next()) {
i = this.indexes[item.id];
for (; cummDiff !== 0 && j !== null && j < i; j++) {
viewItem = this.heightMap[j];
viewItem.top += cummDiff;
this.onRefreshItem(viewItem);
}
viewItem = this.heightMap[i];
newHeight = item.getHeight();
viewItem.top += cummDiff;
cummDiff += newHeight - viewItem.height;
viewItem.height = newHeight;
this.onRefreshItem(viewItem, true);
j = i + 1;
}
if (cummDiff !== 0 && j !== null) {
for (; j < this.heightMap.length; j++) {
viewItem = this.heightMap[j];
viewItem.top += cummDiff;
this.onRefreshItem(viewItem);
}
}
}
onRefreshItem(item: IViewItem, needsRender: boolean = false): void {
// noop
}
itemsCount(): number {
return this.heightMap.length;
}
itemAt(position: number): string {
return this.heightMap[this.indexAt(position)].model.id;
}
withItemsInRange(start: number, end: number, fn: (item: string) => void): void {
start = this.indexAt(start);
end = this.indexAt(end);
for (let i = start; i <= end; i++) {
fn(this.heightMap[i].model.id);
}
}
indexAt(position: number): number {
let left = 0;
let right = this.heightMap.length;
let center: number;
let item: IViewItem;
// Binary search
while (left < right) {
center = Math.floor((left + right) / 2);
item = this.heightMap[center];
if (position < item.top) {
right = center;
} else if (position >= item.top + item.height) {
if (left === center) {
break;
}
left = center;
} else {
return center;
}
}
return this.heightMap.length;
}
indexAfter(position: number): number {
return Math.min(this.indexAt(position) + 1, this.heightMap.length);
}
itemAtIndex(index: number): IViewItem {
return this.heightMap[index];
}
itemAfter(item: IViewItem): IViewItem {
return this.heightMap[this.indexes[item.model.id] + 1] || null;
}
protected createViewItem(item: Item): IViewItem {
throw new Error('not implemented');
}
dispose(): void {
this.heightMap = [];
this.indexes = {};
}
}

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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the Source EULA. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as assert from 'assert';
import { ArrayNavigator } from 'vs/base/common/navigator';
import { HeightMap, IViewItem } from 'sql/base/parts/tree/browser/treeViewModel';
function makeItem(id: any, height: any): any {
return {
id: id,
getHeight: function () { return height; },
isExpanded: function () { return false; },
getAllTraits: () => []
};
}
function makeItems(...args: any[]) {
let r: any[] = [];
for (let i = 0; i < args.length; i += 2) {
r.push(makeItem(args[i], args[i + 1]));
}
return r;
}
function makeNavigator(...args: any[]): any {
let items = makeItems.apply(null, args);
let i = 0;
return {
next: function () {
return items[i++] || null;
}
};
}
class TestHeightMap extends HeightMap {
protected override createViewItem(item: any): IViewItem {
return {
model: item,
top: 0,
height: item.getHeight(),
width: 0
};
}
}
suite('TreeView - HeightMap', () => {
let rangeMap: HeightMap;
setup(() => {
rangeMap = new TestHeightMap();
rangeMap.onInsertItems(makeNavigator('a', 3, 'b', 30, 'c', 25, 'd', 2));
});
teardown(() => {
rangeMap.dispose();
rangeMap = null!;
});
test('simple', () => {
assert.strictEqual(rangeMap.itemAt(0), 'a');
assert.strictEqual(rangeMap.itemAt(2), 'a');
assert.strictEqual(rangeMap.itemAt(3), 'b');
assert.strictEqual(rangeMap.itemAt(32), 'b');
assert.strictEqual(rangeMap.itemAt(33), 'c');
assert.strictEqual(rangeMap.itemAt(40), 'c');
assert.strictEqual(rangeMap.itemAt(57), 'c');
assert.strictEqual(rangeMap.itemAt(58), 'd');
assert.strictEqual(rangeMap.itemAt(59), 'd');
assert.throws(() => rangeMap.itemAt(60));
});
test('onInsertItems at beginning', () => {
let navigator = makeNavigator('x', 4, 'y', 20, 'z', 8);
rangeMap.onInsertItems(navigator);
assert.strictEqual(rangeMap.itemAt(0), 'x');
assert.strictEqual(rangeMap.itemAt(3), 'x');
assert.strictEqual(rangeMap.itemAt(4), 'y');
assert.strictEqual(rangeMap.itemAt(23), 'y');
assert.strictEqual(rangeMap.itemAt(24), 'z');
assert.strictEqual(rangeMap.itemAt(31), 'z');
assert.strictEqual(rangeMap.itemAt(32), 'a');
assert.strictEqual(rangeMap.itemAt(34), 'a');
assert.strictEqual(rangeMap.itemAt(35), 'b');
assert.strictEqual(rangeMap.itemAt(64), 'b');
assert.strictEqual(rangeMap.itemAt(65), 'c');
assert.strictEqual(rangeMap.itemAt(89), 'c');
assert.strictEqual(rangeMap.itemAt(90), 'd');
assert.strictEqual(rangeMap.itemAt(91), 'd');
assert.throws(() => rangeMap.itemAt(92));
});
test('onInsertItems in middle', () => {
let navigator = makeNavigator('x', 4, 'y', 20, 'z', 8);
rangeMap.onInsertItems(navigator, 'a');
assert.strictEqual(rangeMap.itemAt(0), 'a');
assert.strictEqual(rangeMap.itemAt(2), 'a');
assert.strictEqual(rangeMap.itemAt(3), 'x');
assert.strictEqual(rangeMap.itemAt(6), 'x');
assert.strictEqual(rangeMap.itemAt(7), 'y');
assert.strictEqual(rangeMap.itemAt(26), 'y');
assert.strictEqual(rangeMap.itemAt(27), 'z');
assert.strictEqual(rangeMap.itemAt(34), 'z');
assert.strictEqual(rangeMap.itemAt(35), 'b');
assert.strictEqual(rangeMap.itemAt(64), 'b');
assert.strictEqual(rangeMap.itemAt(65), 'c');
assert.strictEqual(rangeMap.itemAt(89), 'c');
assert.strictEqual(rangeMap.itemAt(90), 'd');
assert.strictEqual(rangeMap.itemAt(91), 'd');
assert.throws(() => rangeMap.itemAt(92));
});
test('onInsertItems at end', () => {
let navigator = makeNavigator('x', 4, 'y', 20, 'z', 8);
rangeMap.onInsertItems(navigator, 'd');
assert.strictEqual(rangeMap.itemAt(0), 'a');
assert.strictEqual(rangeMap.itemAt(2), 'a');
assert.strictEqual(rangeMap.itemAt(3), 'b');
assert.strictEqual(rangeMap.itemAt(32), 'b');
assert.strictEqual(rangeMap.itemAt(33), 'c');
assert.strictEqual(rangeMap.itemAt(57), 'c');
assert.strictEqual(rangeMap.itemAt(58), 'd');
assert.strictEqual(rangeMap.itemAt(59), 'd');
assert.strictEqual(rangeMap.itemAt(60), 'x');
assert.strictEqual(rangeMap.itemAt(63), 'x');
assert.strictEqual(rangeMap.itemAt(64), 'y');
assert.strictEqual(rangeMap.itemAt(83), 'y');
assert.strictEqual(rangeMap.itemAt(84), 'z');
assert.strictEqual(rangeMap.itemAt(91), 'z');
assert.throws(() => rangeMap.itemAt(92));
});
test('onRemoveItems at beginning', () => {
rangeMap.onRemoveItems(new ArrayNavigator(['a', 'b']));
assert.strictEqual(rangeMap.itemAt(0), 'c');
assert.strictEqual(rangeMap.itemAt(24), 'c');
assert.strictEqual(rangeMap.itemAt(25), 'd');
assert.strictEqual(rangeMap.itemAt(26), 'd');
assert.throws(() => rangeMap.itemAt(27));
});
test('onRemoveItems in middle', () => {
rangeMap.onRemoveItems(new ArrayNavigator(['c']));
assert.strictEqual(rangeMap.itemAt(0), 'a');
assert.strictEqual(rangeMap.itemAt(2), 'a');
assert.strictEqual(rangeMap.itemAt(3), 'b');
assert.strictEqual(rangeMap.itemAt(32), 'b');
assert.strictEqual(rangeMap.itemAt(33), 'd');
assert.strictEqual(rangeMap.itemAt(34), 'd');
assert.throws(() => rangeMap.itemAt(35));
});
test('onRemoveItems at end', () => {
rangeMap.onRemoveItems(new ArrayNavigator(['c', 'd']));
assert.strictEqual(rangeMap.itemAt(0), 'a');
assert.strictEqual(rangeMap.itemAt(2), 'a');
assert.strictEqual(rangeMap.itemAt(3), 'b');
assert.strictEqual(rangeMap.itemAt(32), 'b');
assert.throws(() => rangeMap.itemAt(33));
});
test('onRefreshItems at beginning', () => {
let navigator = makeNavigator('a', 1, 'b', 1);
rangeMap.onRefreshItems(navigator);
assert.strictEqual(rangeMap.itemAt(0), 'a');
assert.strictEqual(rangeMap.itemAt(1), 'b');
assert.strictEqual(rangeMap.itemAt(2), 'c');
assert.strictEqual(rangeMap.itemAt(26), 'c');
assert.strictEqual(rangeMap.itemAt(27), 'd');
assert.strictEqual(rangeMap.itemAt(28), 'd');
assert.throws(() => rangeMap.itemAt(29));
});
test('onRefreshItems in middle', () => {
let navigator = makeNavigator('b', 40, 'c', 4);
rangeMap.onRefreshItems(navigator);
assert.strictEqual(rangeMap.itemAt(0), 'a');
assert.strictEqual(rangeMap.itemAt(2), 'a');
assert.strictEqual(rangeMap.itemAt(3), 'b');
assert.strictEqual(rangeMap.itemAt(42), 'b');
assert.strictEqual(rangeMap.itemAt(43), 'c');
assert.strictEqual(rangeMap.itemAt(46), 'c');
assert.strictEqual(rangeMap.itemAt(47), 'd');
assert.strictEqual(rangeMap.itemAt(48), 'd');
assert.throws(() => rangeMap.itemAt(49));
});
test('onRefreshItems at end', () => {
let navigator = makeNavigator('d', 22);
rangeMap.onRefreshItems(navigator);
assert.strictEqual(rangeMap.itemAt(0), 'a');
assert.strictEqual(rangeMap.itemAt(2), 'a');
assert.strictEqual(rangeMap.itemAt(3), 'b');
assert.strictEqual(rangeMap.itemAt(32), 'b');
assert.strictEqual(rangeMap.itemAt(33), 'c');
assert.strictEqual(rangeMap.itemAt(57), 'c');
assert.strictEqual(rangeMap.itemAt(58), 'd');
assert.strictEqual(rangeMap.itemAt(79), 'd');
assert.throws(() => rangeMap.itemAt(80));
});
test('withItemsInRange', () => {
let i = 0;
let itemsInRange = ['a', 'b'];
rangeMap.withItemsInRange(2, 27, function (item) { assert.strictEqual(item, itemsInRange[i++]); });
assert.strictEqual(i, itemsInRange.length);
i = 0;
itemsInRange = ['a', 'b'];
rangeMap.withItemsInRange(0, 3, function (item) { assert.strictEqual(item, itemsInRange[i++]); });
assert.strictEqual(i, itemsInRange.length);
i = 0;
itemsInRange = ['a'];
rangeMap.withItemsInRange(0, 2, function (item) { assert.strictEqual(item, itemsInRange[i++]); });
assert.strictEqual(i, itemsInRange.length);
i = 0;
itemsInRange = ['a'];
rangeMap.withItemsInRange(0, 2, function (item) { assert.strictEqual(item, itemsInRange[i++]); });
assert.strictEqual(i, itemsInRange.length);
i = 0;
itemsInRange = ['b', 'c'];
rangeMap.withItemsInRange(15, 39, function (item) { assert.strictEqual(item, itemsInRange[i++]); });
assert.strictEqual(i, itemsInRange.length);
i = 0;
itemsInRange = ['a', 'b', 'c', 'd'];
rangeMap.withItemsInRange(1, 58, function (item) { assert.strictEqual(item, itemsInRange[i++]); });
assert.strictEqual(i, itemsInRange.length);
i = 0;
itemsInRange = ['c', 'd'];
rangeMap.withItemsInRange(45, 58, function (item) { assert.strictEqual(item, itemsInRange[i++]); });
assert.strictEqual(i, itemsInRange.length);
});
});