egroupware_official/api/js/etemplate/Et2Vfs/Et2VfsSelectDialog.ts

798 lines
22 KiB
TypeScript
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/**
* EGroupware eTemplate2 - File selection WebComponent
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package api
* @link https://www.egroupware.org
* @author Nathan Gray
*/
import {Et2InputWidget} from "../Et2InputWidget/Et2InputWidget";
import {html, LitElement, nothing, PropertyValues, TemplateResult} from "lit";
import shoelace from "../Styles/shoelace";
import styles from "./Et2VfsSelect.styles";
import {property} from "lit/decorators/property.js";
import {state} from "lit/decorators/state.js";
import {ifDefined} from "lit/directives/if-defined.js";
import {repeat} from "lit/directives/repeat.js";
import {until} from "lit/directives/until.js";
import {SearchMixinInterface} from "../Et2Select/SearchMixin";
import {SelectOption} from "../Et2Select/FindSelectOptions";
import {DialogButton, Et2Dialog} from "../Et2Dialog/Et2Dialog";
import {HasSlotController} from "../Et2Widget/slot";
import {IegwAppLocal} from "../../jsapi/egw_global";
import {Et2Select} from "../Et2Select/Et2Select";
import {Et2VfsSelectRow} from "./Et2VfsSelectRow";
import {Et2VfsPath} from "./Et2VfsPath";
/**
* @summary Select files (including directories) from the VFS
* @since 23.1
*
* @dependency et2-dialog
* @dependency et2-select
* @dependency et2-vfs-select-row
*
* @slot title - Optional additions to title.
* @slot toolbar - Toolbar containing controls for search & navigation
* @slot prefix - Before the toolbar
* @slot suffix - Like prefix, but after
* @slot help-text - Text that describes how to use the input. Alternatively, you can use the `help-text` attribute.
* @slot footer - Customise the dialog footer
*
* @event change - Emitted when the control's value changes.
*
* @csspart form-control-input - The textbox's wrapper.
* @csspart form-control-help-text - The help text's wrapper.
* @csspart prefix - The container that wraps the prefix slot.
* @csspart suffix - The container that wraps the suffix slot.
*
*/
export class Et2VfsSelectDialog extends Et2InputWidget(LitElement) implements SearchMixinInterface
{
static get styles()
{
return [
shoelace,
...super.styles,
styles
];
}
/** Currently selected files */
@property() value : string[] = [];
/**
* The dialogs label as displayed in the header.
* You should always include a relevant label, as it is required for proper accessibility.
*/
@property() title : string = "Select";
/**
* Dialog mode
* Quickly sets button label, multiple, selection and for "select-dir", mime-type
**/
@property({type: String}) mode : "open" | "open-multiple" | "saveas" | "select-dir";
/** Button label */
@property({type: String}) buttonLabel : string = "Select";
/** Provide a suggested filename for saving */
@property() filename : string = "";
/** Allow selecting multiple files */
@property({type: Boolean}) multiple = false;
/** Start path in VFS. Leave unset to use the last used path. */
@property() path : string = "";
/** Limit display to the given mime-type */
@property() mime : string | string[] | RegExp = "";
/** List of mimetypes to allow user to filter. */
@property() mimeList : SelectOption[] = [
{
value: "/(application\\/vnd.oasis.opendocument.text|application\\/vnd.openxmlformats-officedocument.wordprocessingml.document)/i",
label: "Documents"
},
{
value: "/(application\\/vnd.oasis.opendocument.spreadsheet|application\\/vnd.openxmlformats-officedocument.spreadsheetml.sheet)/i",
label: "Spreadsheets"
},
{value: "image/", label: "Images"},
{value: "video/", label: "Videos"}
];
/** The select's help text. If you need to display HTML, use the `help-text` slot instead. */
@property({attribute: 'help-text'}) helpText = '';
@state() searching = false;
@state() open : boolean = false;
@state() currentFile : Et2VfsSelectRow;
@state() selectedFiles : Et2VfsSelectRow[] = [];
// SearchMixinInterface //
@property() searchUrl : string = "EGroupware\\Api\\Etemplate\\Widget\\Vfs::ajax_vfsSelectFiles";
/** Additional options passed to server search */
@property({type: Object}) searchOptions : object = {};
search : boolean = true;
allowFreeEntries : boolean = false;
// End SearchMixinInterface //
protected _searchTimeout : number;
protected _searchPromise : Promise<FileInfo[]> = Promise.resolve([]);
private static SEARCH_TIMEOUT : number = 500;
// Still need some server-side info
protected _serverContent : Promise<any> = Promise.resolve({});
private static SERVER_URL = "EGroupware\\Api\\Etemplate\\Widget\\Vfs::ajax_vfsSelectContent";
protected readonly hasSlotController = new HasSlotController(this, 'help-text', 'toolbar', 'footer');
protected _fileList : FileInfo[] = [];
// @ts-ignore different types
protected _appList : SelectOption[] = this.egw().link_app_list("query") ?? [];
// Internal accessors
get _dialog() : Et2Dialog { return this.shadowRoot.querySelector("et2-dialog");}
get _filenameNode() : HTMLInputElement { return this.shadowRoot.querySelector("#filename");}
get _fileNodes() : Et2VfsSelectRow[] { return Array.from(this.shadowRoot.querySelectorAll("et2-vfs-select-row"));}
get _searchNode() : HTMLInputElement { return this.shadowRoot.querySelector("#search");}
get _pathNode() : Et2VfsPath { return this.shadowRoot.querySelector("#path");}
get _listNode() : HTMLElement { return this.shadowRoot.querySelector("#listbox");}
get _mimeNode() : Et2Select { return this.shadowRoot.querySelector("#mimeFilter");}
/*
* List of properties that get translated
* Done separately to not interfere with properties - if we re-define label property,
* labels go missing.
*/
static get translate()
{
return {
...super.translate,
title: true,
buttonLabel: true
}
}
constructor(parent_egw? : string | IegwAppLocal)
{
super();
if(parent_egw)
{
this._setApiInstance(parent_egw);
}
// Use filemanager translations
this.egw().langRequireApp(this.egw().window, "filemanager", () => {this.requestUpdate()});
this.handleButtonClick = this.handleButtonClick.bind(this);
this.handleCreateDirectory = this.handleCreateDirectory.bind(this);
this.handleSearchKeyDown = this.handleSearchKeyDown.bind(this);
}
transformAttributes(attr)
{
super.transformAttributes(attr);
// Start request to get server-side info
let content = {};
let attrs = {
mode: this.mode,
label: this.buttonLabel,
path: this.path || null,
mime: this.mime || null,
name: this.title
};
return this.egw().request(this.egw().link(this.egw().ajaxUrl(this.egw().decodePath(Et2VfsSelectDialog.SERVER_URL))),
[content, attrs]).then((results) =>
{
debugger;
});
}
connectedCallback()
{
super.connectedCallback();
if(this.path == "")
{
this.path = <string>this.egw()?.preference("startfolder", "filemanager") || "~";
}
// Get file list
this.startSearch();
}
async getUpdateComplete()
{
const result = await super.getUpdateComplete();
// Need to wait for server content
await this._serverContent;
return result;
}
protected willUpdate(changedProperties : PropertyValues)
{
super.willUpdate(changedProperties);
if(changedProperties.has("mode"))
{
this.multiple = this.mode == "open-multiple";
}
if(changedProperties.has("path"))
{
this.startSearch();
}
}
public setPath(path)
{
if(path == '..')
{
path = this.dirname(this.path);
}
const oldValue = this.path;
this._pathNode.value = this.path = path;
this.requestUpdate("path", oldValue);
return this._searchPromise;
}
/**
* Get directory of a path
*
* @param {string} _path
* @returns string
*/
public dirname(_path)
{
let parts = _path.split('/');
parts.pop();
return parts.join('/') || '/';
}
/**
* Shows the dialog.
*/
public show()
{
this.open = true;
if(this.path && this._fileList.length == 0)
{
this.startSearch();
}
return Promise.all([
this.updateComplete,
this._searchPromise,
this._dialog.show()
]);
}
/**
* Hides the dialog.
*/
public hide()
{
this.open = false;
return this._dialog.hide();
}
getComplete() : Promise<string[]>
{
return this._dialog.getComplete().then(() =>
{
return this.value;
});
}
startSearch() : Promise<void>
{
// Stop timeout timer
clearTimeout(this._searchTimeout);
this.searching = true;
this.requestUpdate("searching");
// Start the searches
this._searchPromise = this.remoteSearch(this._searchNode?.value ?? "", this.searchOptions);
return this._searchPromise.then(async() =>
{
this.searching = false;
this.requestUpdate("searching", true);
});
}
localSearch(search : string, options : object) : Promise<FileInfo[]>
{
// No local search
return Promise.resolve([]);
}
remoteSearch(search : string, options : object) : Promise<FileInfo[]>
{
// Include a limit, even if options don't, to avoid massive lists breaking the UI
let sendOptions = {
path: this.path,
mime: this.mime,
num_rows: 100,
...options
}
return this.egw().request(this.egw().link(this.egw().ajaxUrl(this.egw().decodePath(this.searchUrl))), [search, sendOptions]).then((results) =>
{
return this.processRemoteResults(results);
});
}
processRemoteResults(results) : FileInfo[]
{
this.helpText = results?.message ?? "";
this._fileList = results?.files ?? [];
return this._fileList;
}
searchMatch(search : string, options : object, item : LitElement) : boolean
{
// No local matching
return false;
}
/**
* Inject application specific egw object with loaded translations into the dialog
*
* @param {string|egw} _egw_or_appname egw object with already loaded translations or application name to load translations for
*/
_setApiInstance(_egw_or_appname ? : string | IegwAppLocal)
{
if(typeof _egw_or_appname == 'undefined')
{
// @ts-ignore
_egw_or_appname = egw_appName;
}
// if egw object is passed in because called from et2, just use it
if(typeof _egw_or_appname != 'string')
{
this.__egw = _egw_or_appname;
}
// otherwise use given appname to create app-specific egw instance and load default translations
else
{
this.__egw = egw(_egw_or_appname);
this.egw().langRequireApp(this.egw().window, _egw_or_appname);
}
}
/**
* Sets the selected files
* @param {Et2VfsSelectRow | Et2VfsSelectRow[]} file
* @private
*/
private setSelectedFiles(file : Et2VfsSelectRow | Et2VfsSelectRow[])
{
const newSelectedOptions = Array.isArray(file) ? file : [file];
// Clear existing selection
this._fileNodes.forEach(el =>
{
el.selected = false;
el.requestUpdate("selected");
});
// Set the new selection
if(newSelectedOptions.length)
{
newSelectedOptions.forEach(el =>
{
el.selected = true;
el.requestUpdate("selected");
});
}
// Update selection, value, and display label
this.selectionChanged();
}
/**
* Toggles a file's selected state
*/
private toggleFileSelection(file : Et2VfsSelectRow, force? : boolean)
{
if(force === true || force === false)
{
file.selected = force;
}
else
{
file.selected = !file.selected;
}
file.requestUpdate("selected");
this.selectionChanged();
}
/**
* This method must be called whenever the selection changes. It will update the selected file cache, the current
* value, and the display value
*/
private selectionChanged()
{
// Update selected files cache
this.selectedFiles = this._fileNodes.filter(el => el.selected);
// Update the value
if(this.multiple)
{
this.value = this.selectedFiles.map(el => el.value.path);
// TODO - show how many are selected?
/*
if(this.value.length === 0)
{
// When no items are selected, keep the value empty so the placeholder shows
this.displayLabel = '';
}
else
{
this.displayLabel = this.localize.term('numOptionsSelected', this.selectedFiles.length);
}
*/
}
else
{
this.value = [this.selectedFiles[0]?.value.path] ?? [];
}
}
protected handleButtonClick(event : MouseEvent)
{
this.open = false;
this.requestUpdate("open", true);
}
/**
* Create a new directory in the current one
* @param {MouseEvent | KeyboardEvent} event
* @returns {Promise<void>}
* @protected
*/
protected async handleCreateDirectory(event : MouseEvent | KeyboardEvent)
{
// Get new directory name
let [button, value] = await Et2Dialog.show_prompt(
null, this.egw().lang('New directory'), this.egw().lang('Create directory')
).getComplete();
let dir = value.value;
if(button && dir)
{
this.egw().request('EGroupware\\Api\\Etemplate\\Widget\\Vfs::ajax_create_dir', [dir, this.path])
.then((msg) =>
{
this.egw().message(msg);
this.setPath(this.path + '/' + dir);
});
}
}
handleFileClick(event : MouseEvent)
{
const target = event.target as HTMLElement;
const file : Et2VfsSelectRow = target.closest('et2-vfs-select-row');
const oldValue = this.value;
if(file && !file.disabled)
{
// Can't select a directory normally
if(file.value.isDir && this.mode != "select-dir")
{
return;
}
if(this.multiple)
{
this.toggleFileSelection(file);
}
else
{
this.setSelectedFiles(file);
}
// Set focus after updating so the value is announced by screen readers
//this.updateComplete.then(() => this.displayInput.focus({ preventScroll: true }));
if(this.value !== oldValue)
{
// Emit after updating
this.updateComplete.then(() =>
{
this.dispatchEvent(new Event('change', {bubbles: true}));
});
}
}
}
handleFileDoubleClick(event : MouseEvent)
{
const target = event.target as HTMLElement;
const file : Et2VfsSelectRow = target.closest('et2-vfs-select-row');
if(file.value.isDir)
{
this.toggleFileSelection(file, false);
const oldPath = this.path;
this.setPath(file.value.path);
}
else
{
// Not a dir, just select it
this.handleFileClick(event);
// If we only want one, we've got it. Close.
if(!this.multiple)
{
this.hide();
}
}
}
handleSearchKeyDown(event)
{
clearTimeout(this._searchTimeout);
// Up / Down navigates options
if(['ArrowDown', 'ArrowUp'].includes(event.key) && this._fileList.length)
{
event.stopPropagation();
this.setCurrentFile(this._fileNodes[0]);
return;
}
// Start search immediately
else if(event.key == "Enter")
{
event.preventDefault();
this.startSearch();
return;
}
else if(event.key == "Escape")
{
event.stopPropagation();
event.preventDefault();
this.value = [];
this.hide();
return;
}
// Start the search automatically if they have enough letters
// -1 because we're in keyDown handler, and value is from _before_ this key was pressed
if(this._searchNode.value.length - 1 > 0)
{
this._searchTimeout = window.setTimeout(() => {this.startSearch()}, Et2VfsSelectDialog.SEARCH_TIMEOUT);
}
}
protected toolbarTemplate() : TemplateResult
{
return html`
<et2-box class="et2_toolbar">
<et2-button statustext="Go to your home directory" id="home"
image="filemanager/gohome"
aria-label=${this.egw().lang("Go to your home folder")}
noSubmit="true"
@click=${() => this.setPath("~")}
></et2-button>
<et2-button statustext="Up" id="up"
image="filemanager/goup" noSubmit="true" aria-label=${this.egw().lang("Up")}
@click=${() => this.setPath("..")}
>
</et2-button>
<et2-button statustext="Favorites" id="favorites"
aria-label=${this.egw().lang("Favorites")}
image="filemanager/fav_filter" noSubmit="true"
@click=${() => this.setPath("/apps/favorites")}
></et2-button>
<et2-select id="app" emptyLabel="Applications" noLang="1"
.select_options=${this._appList}
@change=${(e) => this.setPath("/apps/" + e.target.value)}
>
</et2-select>
<et2-button statustext="Create directory" id="createdir" class="createDir"
arial-label=${this.egw().lang("Create directory")}
noSubmit="true"
image="filemanager/button_createdir"
roImage="filemanager/createdir_disabled"
@click=${this.handleCreateDirectory}
></et2-button>
<file id="upload_file" statustext="upload file" progress_dropdownlist="true" multiple="true"
onFinish="app.vfsSelectUI.storeFile"></file>
<et2-searchbox id="search"
@keydown=${this.handleSearchKeyDown}
@sl-clear=${this.startSearch}
></et2-searchbox>
</et2-box>
`;
}
protected filesTemplate()
{
const empty = this._fileList.length == 0;
const promise = this._searchPromise.then(() =>
{
return html`
${empty ? this.noFilesTemplate() : html`
${repeat(this._fileList, (file) => file.path, (file, index) =>
{
return html`
<et2-vfs-select-row
?disabled=${file.disabled || this.mode == "select-dir" && !file.isDir}
.value=${file}
@mouseup=${this.handleFileClick}
@dblclick=${this.handleFileDoubleClick}
></et2-vfs-select-row>`;
}
)}`
}`;
});
return html`
${until(promise, html`
<div class="vfs_select__loading">
<sl-spinner></sl-spinner>
</div>`)}`;
}
protected noFilesTemplate() : TemplateResult
{
return html`
<div class="vfs_select__empty">
<et2-image src="filemanager"></et2-image>
${this.egw().lang("no files in this directory.")}
</div>`;
}
protected mimeOptionsTemplate()
{
return html``;
}
protected footerTemplate()
{
let image = "check";
switch(this.mode)
{
case "saveas":
image = "save_new";
break;
}
const buttons = [
{id: "ok", label: this.buttonLabel, image: image},
{id: "cancel", label: "cancel", image: "cancel"}
];
return html`
${repeat(buttons, (button : DialogButton) => button.id, (button, index) =>
{
return html`
<et2-button id=${button.id}
class="et2_button et2_vfs__button"
label=${button.label}
variant=${index == 0 ? "primary" : "default"}
slot="footer"
.image=${ifDefined(button.image)}
.noSubmit=${true}
@click=${this.handleButtonClick}
>${button.label}
</et2-button>
`
})}`;
}
render()
{
const hasHelpTextSlot = this.hasSlotController.test('help-text');
const hasFooterSlot = this.hasSlotController.test('footer');
const hasToolbarSlot = this.hasSlotController.test('toolbar');
const hasHelpText = this.helpText ? true : !!hasHelpTextSlot;
const hasToolbar = !!hasToolbarSlot;
const hasFilename = this.mode == "saveas";
const mime = this.mimeList.length == 1 ? this.mimeList[0].value :
(typeof this.mime == "string" ? this.mime : "");
return html`
<et2-dialog
.isModal=${true}
.destroyOnClose=${false}
.title=${this.title}
.open=${this.open}
>
${hasFilename ? html`<input id="filename"/>` : nothing}
<div
part="toolbar"
id="toolbar"
class="vfs_select__toolbar"
>
<slot name="prefix"></slot>
<slot name="toolbar">${hasToolbar ? nothing : this.toolbarTemplate()}</slot>
<slot name="suffix"></slot>
</div>
<div
part="path"
>
<et2-vfs-path id="path"
.value=${this.path}
@change=${() => {this.setPath(this._pathNode.value)}}
></et2-vfs-path>
</div>
<div
id="listbox"
role="listbox"
aria-expanded=${this.open ? 'true' : 'false'}
aria-multiselectable=${this.multiple ? 'true' : "false"}
aria-labelledby="title"
part="listbox"
class="vfs_select__listbox"
tabindex="-1"
>
${this.filesTemplate()}
</div>
<sl-visually-hidden>
<et2-label for="mimeFilter">${this.egw().lang("mime filter")}</et2-label>
</sl-visually-hidden>
<et2-select
id="mimeFilter"
part="mimefilter"
class="vfs_select__mimefilter"
?readonly=${this.mimeList.length == 1}
.emptyLabel=${this.egw().lang("All files")}
.select_options=${this.mimeList}
.value=${mime}
@change=${(e) =>
{
this.mime = e.target.value;
this.startSearch();
}}
>
${this.mimeOptionsTemplate()}
</et2-select>
<slot></slot>
<div
part="form-control-help-text"
id="help-text"
class="form-control__help-text"
aria-hidden=${hasHelpText ? 'false' : 'true'}
>
<slot name="help-text">${this.helpText}</slot>
</div>
${hasFooterSlot ? nothing : this.footerTemplate()}
</et2-dialog>
`;
}
}
customElements.define("et2-vfs-select-dialog", Et2VfsSelectDialog);
export interface FileInfo
{
name : string,
mime : string,
isDir : boolean,
path? : string,
// We want to show it, but not act with it. File is disabled for the UI
disabled? : boolean
}