egroupware_official/api/js/etemplate/Et2Link/Et2Link.ts

393 lines
8.5 KiB
TypeScript

/**
* EGroupware eTemplate2 - JS Link object
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package etemplate
* @subpackage api
* @link https://www.egroupware.org
* @author Nathan Gray
* @copyright 2022 Nathan Gray
*/
import {ExposeMixin, ExposeValue} from "../Expose/ExposeMixin";
import {css, html, LitElement, TemplateResult} from "@lion/core";
import {Et2Widget} from "../Et2Widget/Et2Widget";
import {et2_IDetachedDOM} from "../et2_core_interfaces";
/**
* Display a specific, single entry from an application
*
* The entry is specified with the application name, and the app's ID for that entry.
* You can set it directly in the properties (application, entryId) or use set_value() to
* pass an object {app: string, id: string, [title: string]} or string in the form <application>::<ID>.
* If title is not specified, it will be fetched using framework's egw.link_title()
*
*/
// @ts-ignore TypeScript says there's something wrong with types
export class Et2Link extends ExposeMixin<Et2Widget>(Et2Widget(LitElement)) implements et2_IDetachedDOM
{
static get styles()
{
return [
...super.styles,
css`
:host {
display: block;
cursor: pointer;
}
.link {
display: flex;
gap: 0.5rem;
}
.link__title {
flex: 2 1 50%;
}
.link__remark {
flex: 1 1 50%
}
:host:hover {
text-decoration: underline
}
/** Style based on parent **/
:host(et2-link-string) div {
display: inline;
}
:host-context(et2-link-list):hover {
text-decoration: none;
}
`
];
}
static get properties()
{
return {
...super.properties,
/**
* Specify the application for the entry
*/
app: {
type: String,
reflect: true,
},
/**
* Application entry ID
*/
entryId: {
type: String,
reflect: true
},
/**
* Pass value as an object, will be parsed to set application & entryId
*/
value: {
type: Object,
reflect: false
},
/**
* View link type
* Used for displaying the linked entry
* [view|edit|add]
* default "view"
*/
linkHook: {
type: String
},
/**
* Target application
*
* Passed to egw.open() to open entry in specified application
*/
targetApp: {
type: String
},
/**
* Optional parameter to be passed to egw().open in order to open links in specified target eg. _blank
*/
extraLinkTarget: {
type: String
},
/**
* Breaks title into multiple lines based on this delimiter by replacing it with '\r\n'"
*/
breakTitle: {
type: String
}
}
}
static MISSING_TITLE = "??";
// Title is read-only inside
private _title : string;
private _titlePromise : Promise<string>;
constructor()
{
super();
this._title = Et2Link.MISSING_TITLE;
this.__linkHook = "view";
}
connectedCallback()
{
super.connectedCallback();
}
/**
* Build a thumbnail for the link
* @param link
* @returns {TemplateResult}
* @protected
*/
protected _thumbnailTemplate(link : LinkInfo) : TemplateResult
{
// If we have a mimetype, use a Et2VfsMime
// Files have path set in 'icon' property, and mime in 'type'
if(link.type && link.icon)
{
return html`
<et2-vfs-mime part="icon" class="link__icon" ._parent=${this} .value=${Object.assign({
name: link.title,
mime: link.type,
path: link.icon
}, link)}
></et2-vfs-mime>`;
}
return html`
<et2-image-expose
part="icon"
class="link__icon"
._parent=${this}
href="${link.href}"
src=${this.egw().image("" + link.icon)}
></et2-image-expose>`;
}
render()
{
let title = this.title;
if(this.breakTitle)
{
// Set up title to optionally break on the provided character - replace all space with nbsp, add a
// zero-width space after the break string
title = title
.replace(this.breakTitle, this.breakTitle.trimEnd() + "\u200B")
.replace(/ /g, '\u00a0');
}
return html`
<div part="base" class="link et2_link">
${this._thumbnailTemplate({id: this.entryId, app: this.app, ...this.dataset})}
<span part="title" class="link__title">${title}</span>
<span part="remark" class="link__remark">${this.dataset.remark}</span>
</div>`;
}
public set title(_title)
{
this._title = _title;
}
public get title()
{
return this._title;
}
/**
* Get a value representation of the link.
*
* @returns {LinkInfo | string}
*/
get value() : LinkInfo | string
{
return this.app && this.entryId ? this.app + ":" + this.entryId : "";
}
set value(_value : LinkInfo | string)
{
if(!_value)
{
this.entryId = "";
this.title = "";
return;
}
if(typeof _value != 'object' && _value)
{
if(_value.indexOf(':') >= 0)
{
// application_name:ID
let app = _value.split(':', 1);
let id = _value.substr(app[0].length + 1);
_value = {app: app[0], id: id};
}
else if(this.app)
{
// Application set, just passed ID
_value = {app: this.app, id: _value};
}
else
{
console.warn("Bad value for link widget. Need an object with keys 'app', 'id', and optionally 'title'", _value);
return;
}
}
if(typeof _value !== "string")
{
this.app = _value.app;
this.entryId = _value.id;
if(_value.title)
{
this._title = _value.title;
}
Object.keys(_value).forEach(key =>
{
// Skip these, they're either handled explicitly, or ID which we don't want to mess with
if(["app", "entryId", "title", "id"].indexOf(key) != -1)
{
return;
}
this.dataset[key] = _value[key];
})
}
this.requestUpdate("value");
}
set_value(_value : LinkInfo | string)
{
this.value = _value;
}
get exposeValue() : ExposeValue
{
let info = <ExposeValue><unknown>{
app: this.app,
id: this.entryId,
path: this.dataset['icon']
};
info['label'] = this.title;
info = Object.assign(info, this.dataset);
if(info['remark'])
{
info['label'] += " - " + info['remark'];
}
if(!info.path && this.app == "file")
{
// Fallback to check the "normal" place if path wasn't available
info.path = "/webdav.php/apps/" + this.dataset.app2 + "/" + this.dataset.id2 + "/" + this.entryId;
}
if(typeof info["type"] !== "undefined")
{
// Links use "type" for mimetype.
info.mime = info["type"];
}
return info;
}
/**
* If app or entryId has changed, we'll update the title
*
* @param changedProperties
*/
willUpdate(changedProperties)
{
super.willUpdate(changedProperties);
super.requestUpdate();
if(changedProperties.has("app") || changedProperties.has("entryId"))
{
if(this.app && this.entryId && !this._title)
{
this._title = Et2Link.MISSING_TITLE;
}
if(this.app && this.entryId && this._title == Et2Link.MISSING_TITLE)
{
// Title will be fetched from server and then set
this._titlePromise = this.egw()?.link_title(this.app, this.entryId, true).then(title =>
{
this._title = title;
// It's probably already been rendered
this.requestUpdate();
});
}
}
}
_handleClick(_ev : MouseEvent) : boolean
{
// If we don't have app & entryId, nothing we can do
if(!this.app || !this.entryId || typeof this.entryId !== "string")
{
return false;
}
// If super didn't handle it (returns false), just use egw.open()
if(super._handleClick(_ev))
{
this.egw().open(Object.assign({
app: this.app,
id: this.entryId
}, this.dataset), "", this.linkHook, this.dataset.extra_args, this.extraLinkTarget || this.app, this.targetApp || this.app);
}
_ev.stopImmediatePropagation();
return false;
}
getDetachedAttributes(_attrs : string[])
{
_attrs.push("app", "entryId", "statustext");
}
getDetachedNodes() : HTMLElement[]
{
return [<HTMLElement><unknown>this];
}
setDetachedAttributes(_nodes : HTMLElement[], _values : object, _data?)
{
for(let k in _values)
{
this[k] = _values[k];
}
}
}
// @ts-ignore TypeScript says there's something wrong with types
customElements.define("et2-link", Et2Link);
/**
* Interface to describe needed information about a link
*/
export interface LinkInfo
{
app : string,
id : string,
title? : string,
link_id? : string;
comment? : string
icon? : string,
help? : string,
// Extra information for things like files
download_url? : string,
target? : string,
mode? : number
}