egroupware/kdots/js/EgwFramework.ts
2024-07-11 16:39:28 -06:00

836 lines
24 KiB
TypeScript

import {css, html, LitElement, nothing, PropertyValues} from "lit";
import {customElement} from "lit/decorators/custom-element.js";
import {property} from "lit/decorators/property.js";
import {classMap} from "lit/directives/class-map.js";
import {repeat} from "lit/directives/repeat.js";
import {until} from "lit/directives/until.js";
import "@shoelace-style/shoelace/dist/components/split-panel/split-panel.js";
import styles from "./EgwFramework.styles";
import {egw} from "../../api/js/jsapi/egw_global";
import {SlAlert, SlDropdown, SlTab, SlTabGroup} from "@shoelace-style/shoelace";
import {EgwFrameworkApp} from "./EgwFrameworkApp";
import {EgwFrameworkMessage} from "./EgwFrameworkMessage";
/**
* @summary Accessable, webComponent-based EGroupware framework
*
* @dependency sl-dropdown
* @dependency sl-icon-button
*
* @slot - Current application
* @slot banner - Very top, used for things like persistant, system wide messages. Normally hidden.
* @slot header - Top of page, contains logo, app icons.
* @slot header-right - Top right, contains user info / actions.
* @slot status - Home of the status app, it is limited in size and can be resized and hidden.
* @slot footer - Very bottom. Normally hidden.
* *
* @csspart base - Wraps it all.
* @csspart banner -
* @csspart header -
* @csspart open-applications - Tab group that has the currently open applications
* @csspart status-split - Status splitter
* @csspart main
* @csspart status
* @csspart footer
*
* @cssproperty [--icon-size=32] - Height of icons used in the framework
* @cssproperty [--tab-icon-size=32] - Height of application icons in header bar
* @cssproperty [--tab-icon-size-active=40] - Height of active application icon
*/
@customElement('egw-framework')
//@ts-ignore
export class EgwFramework extends LitElement
{
static get styles()
{
return [
styles,
// TEMP STUFF
css`
:host .placeholder {
display: none;
}
:host(.placeholder) .placeholder {
width: 100%;
display: block;
font-size: 200%;
text-align: center;
background-color: var(--placeholder-background-color, silver);
}
.placeholder:after {
content: " (placeholder)";
}
.egw_fw__base {
--placeholder-background-color: #75bd20;
}
.egw_fw__status .placeholder {
writing-mode: vertical-rl;
text-orientation: mixed;
height: 100%;
}
:host(.placeholder) [class*="left"] .placeholder {
background-color: color-mix(in lch, var(--placeholder-background-color), rgba(.5, .5, 1, .5));
}
:host(.placeholder) [class*="right"] .placeholder {
background-color: color-mix(in lch, var(--placeholder-background-color), rgba(.5, 1, .5, .5));
}
:host(.placeholder) [class*="footer"] .placeholder {
background-color: color-mix(in lch, var(--placeholder-background-color), rgba(1, 1, 1, .05));
}
::slotted(div#egw_fw_sidebar_r) {
position: relative;
}
`
];
}
@property()
layout = "default";
/**
* This is the list of all applications we know about
*/
@property({type: Array, attribute: "application-list"})
applicationList : ApplicationInfo[] = [];
// Keep track of open popups
private _popups : Window[] = [];
// Keep track of open messages
private _messages : SlAlert[] = [];
private get tabs() : SlTabGroup { return this.shadowRoot.querySelector("sl-tab-group");}
constructor()
{
super();
this.handleDarkmodeChange = this.handleDarkmodeChange.bind(this);
}
connectedCallback()
{
super.connectedCallback();
if(this.egw.window && this.egw.window.opener == null && !this.egw.window.framework)
{
// This works, but stops a lot else from working
this.egw.window.framework = this;
}
if(this.egw.window?.framework && this.egw.window?.framework !== this)
{
// Override framework setSidebox, use arrow function to force context
this.egw.framework.setSidebox = (applicationName, sideboxData, hash?) => this.setSidebox(applicationName, sideboxData, hash);
}
document.body.addEventListener("egw-darkmode-change", this.handleDarkmodeChange);
}
disconnectedCallback()
{
super.disconnectedCallback();
document.body.removeEventListener("egw-darkmode-change", this.handleDarkmodeChange);
}
protected firstUpdated(_changedProperties : PropertyValues)
{
super.firstUpdated(_changedProperties);
// Load hidden apps like status, as long as they can be loaded
this.applicationList.forEach((app) =>
{
if(app.status == "5" && app.url && !app.url.match(/menuaction\=none/))
{
this.loadApp(app.name);
}
});
// Load additional tabs
Object.values(this.tabApps).forEach(app => this.loadApp(app.name));
// Init timer
this.egw.add_timer('topmenu_info_timer');
// These need egw fully loaded
this.getEgwComplete().then(() =>
{
// Register the "message" plugin
this.egw.registerJSONPlugin((type, res, req) =>
{
//Check whether all needed parameters have been passed and call the alertHandler function
if((typeof res.data.message != 'undefined'))
{
this.message(res.data.message, res.data.type)
return true;
}
throw 'Invalid parameters';
}, null, 'message');
// Quick add
this.egw.link_quick_add('topmenu_info_quick_add');
// Ask about timer before logout
const logout = this.querySelector('#topmenu_logout');
logout.addEventListener('click', async(e) =>
{
e.preventDefault();
e.stopImmediatePropagation();
await this.egw.onLogout_timer();
this.egw.open_link(e.target.value);
});
// Deal with bug where avatar menu does not position correctly
(<SlDropdown>this.querySelector("#topmenu_info_user_avatar"))?.popup?.dispatchEvent(new Event("slotchange"));
});
}
/**
* Special tabs that are not directly associated with an application (CRM)
* @type {[]}
* @private
*/
protected get tabApps() : { [id : string] : ApplicationInfo }
{
return JSON.parse(egw.getSessionItem('api', 'fw_tab_apps') || null) || {};
}
protected set tabApps(apps : { [id : string] : ApplicationInfo })
{
egw.setSessionItem('api', 'fw_tab_apps', JSON.stringify(apps));
}
get egw() : typeof egw
{
return window.egw ?? <typeof egw>{
// Dummy egw so we don't get failures from missing methods
lang: (t) => t,
preference: (n, app, promise? : Function | boolean | undefined) => Promise.resolve(""),
set_preference(_app : string, _name : string, _val : any, _callback? : Function) {}
};
}
/**
* A promise for if egw is loaded
*
* @returns {Promise<void>}
*/
getEgwComplete()
{
let egwLoading = Promise.resolve();
if(typeof this.egw.window['egw_ready'] !== "undefined")
{
egwLoading = this.egw.window['egw_ready'];
}
return egwLoading;
}
/**
*
* @param _function Framework function to be called on the server.
* @param _ajax_exec_url Actual function we want to call.
* @returns {string}
*/
public getMenuaction(_fun, _ajax_exec_url, appName = 'home')
{
let baseUrl = this.getBaseUrl();
// Check whether the baseurl is actually set. If not, then this application
// resides inside the same egw instance as the jdots framework. We'll simply
// return a menu action and not a full featured url here.
if(baseUrl != '')
{
baseUrl = baseUrl + 'json.php?menuaction=';
}
const menuaction = _ajax_exec_url ? _ajax_exec_url.match(/menuaction=([^&]+)/) : null;
// use template handler to call current framework, eg. pixelegg
return baseUrl + appName + '.kdots_framework.' + _fun + '.template' +
(menuaction ? '.' + menuaction[1] : '');
};
public getApplicationByName(appName)
{
return this.querySelector(`egw-app[name="${appName}"]`);
}
/**
* Load an application into the framework
*
* Loading is done by name, and we look up everything we need in the applicationList.
* If already loaded, this just returns the existing EgwFrameworkApp, optionally activated & with new URL loaded.
*
* @param {string} appname
* @param {boolean} active
* @param {string} url
* @returns {EgwFrameworkApp}
*/
public loadApp(appname : string, active = false, url = null) : EgwFrameworkApp
{
const existing : EgwFrameworkApp = this.querySelector(`egw-app[id="${appname}"]`);
if(existing)
{
if(active)
{
this.tabs.show(appname);
}
if(url)
{
existing.load(url);
}
return existing;
}
const app = this.applicationList.find(a => a.name == appname) ??
this.tabApps[appname];
if(!app)
{
console.log("Cannot load unknown app '" + appname + "'");
return null;
}
let appComponent = <EgwFrameworkApp>document.createElement("egw-app");
appComponent.setAttribute("id", appname);
appComponent.setAttribute("name", app.internalName || appname);
appComponent.url = url ?? app?.url;
if(app.title)
{
appComponent.title = app.title;
}
this.append(appComponent);
// App was not in the tab list
if(typeof app.opened == "undefined")
{
app.opened = this.shadowRoot.querySelectorAll("sl-tab").length;
// Need to update tabApps directly, reference doesn't work
if(typeof this.tabApps[appname] == "object")
{
let tabApps = {...this.tabApps};
tabApps[appname] = app;
this.tabApps = tabApps;
}
this.requestUpdate("applicationList");
}
// Wait until new tab is there to activate it
if(active || app.active)
{
// Wait for egw
this.getEgwComplete().then(() =>
{
// Wait for redraw after getEgwComplete promise
this.updateComplete.then(() =>
{
// Tabs present
this.updateComplete.then(() =>
{
this.showTab(appname);
});
});
});
}
return appComponent;
}
public get activeApp() : EgwFrameworkApp
{
return this.querySelector("egw-app[active]");
}
/**
* Load a link into the framework
*
* @param {string} _link
* @param {string} _app
* @returns {undefined}
*/
public linkHandler(_link : string, _app : string)
{
// Determine the app string from the application parameter
let app = null;
if(_app && typeof _app == 'string')
{
app = this.applicationList.find(a => a.name == _app);
}
if(!app)
{
//The app parameter was false or not a string or the application specified did not exists.
//Determine the target application from the link that had been passed to this function
app = this.parseAppFromUrl(_link);
}
if(app)
{
if(_app == '_tab')
{
// add target flag
_link += '&target=_tab';
const appname = app.appName + ":" + btoa(_link);
this.applicationList.push({
...app,
name: appname,
url: _link,
title: 'view'
});
app = this.applicationList[this.applicationList.length - 1];
}
this.loadApp(app.name, true, _link);
}
else if(typeof _app == 'string')
{
//Display some error messages to have visible feedback
egw_alertHandler('Application "' + _app + '" not found.',
'The application "' + _app + '" the link "' + _link + '" points to is not registered.');
}
else
{
this.egw.window.location.replace(_link);
}
}
public tabLinkHandler(_link : string, _extra = {
id: ""
})
{
const app = this.parseAppFromUrl(_link);
if(app)
{
const appname = app.name + "-" + btoa(_extra.id ? _extra.id : _link).replace(/=/g, 'i');
if(this.getApplicationByName(appname))
{
this.loadApp(appname, true, _link);
return appname;
}
// add target flag
_link += '&fw_target=' + appname;
// create an actual clone of existing app object
let clone = {
...app,
..._extra,
//isFrameworkTab: true, ??
name: appname,
internalName: app.name,
url: _link,
// Need to override to open, base app might already be opened
opened: undefined
};
// Store only in session
let tabApps = {...this.tabApps};
tabApps[appname] = clone;
this.tabApps = tabApps;
this.loadApp(appname, true);
return appname;
}
else
{
egw_alertHandler("No appropriate target application has been found.",
"Target link: " + _link);
}
}
/**
* Open a (centered) popup window with given size and url
*
* @param {string} _url
* @param {number} _width
* @param {number} _height
* @param {string} _windowName or "_blank"
* @param {string|boolean} _app app-name for framework to set correct opener or false for current app
* @param {boolean} _returnID true: return window, false: return undefined
* @param {type} _status "yes" or "no" to display status bar of popup
* @param {DOMWindow} _parentWnd parent window
* @returns {DOMWindow|undefined}
*/
public openPopup(_url, _width, _height, _windowName, _app, _returnID, _status, _parentWnd)
{
const windowID = this.egw.openPopup(_url, _width, _height, _windowName, _app, true, _status, true);
windowID.framework = this;
this._popups.push(windowID);
if(_returnID !== false)
{
return windowID;
}
}
/**
* Collect and close all already closed windows
* egw.open_link expects it from the framework
*/
public popups_garbage_collector()
{
for(var i = 0; i < this._popups.length; i++)
{
if(this._popups[i].closed)
{
this._popups.splice(i, 1);
}
}
}
/**
* Tries to obtain the application from a menuaction
* @param {string} _url
*/
protected parseAppFromUrl(_url : string)
{
let _app = null;
// Check the menuaction parts from the url
let matches = _url.match(/menuaction=([a-z0-9_-]+)\./i) ||
// Check the url for a scheme of "/app/something.php"
_url.match(/\/([^\/]+)\/[^\/]+\.php/i);
if(matches)
{
// check if this is a regular app-name
_app = this.applicationList.find(a => a.name == matches[1]);
}
return _app;
}
/**
* Print
*/
public async print()
{
const appElement : EgwFrameworkApp = this.activeApp;
try
{
if(appElement)
{
await appElement.print();
}
const appWindow = this.egw.window;
appWindow.setTimeout(appWindow.print, 0);
}
catch
{
// Ignore rejected
}
}
public async setSidebox(appname, sideboxData, hash)
{
const app = this.loadApp(appname);
app.setSidebox(sideboxData, hash);
}
/**
* Show a message, with an optional type
*
* @param {string} message
* @param {"" | "help" | "info" | "error" | "warning" | "success"} type
* @param {number} duration The length of time, seconds, the alert will show before closing itself. Success
* messages are shown for 5s, other messages require manual closing by the user.
* @param {boolean} closable=true Message can be closed by the user
* @param {string} _discardID unique string id (appname:id) in order to register
* the message as discardable. Discardable messages offer a checkbox to never be shown again.
* If no appname given, the id will be prefixed with current app. The discardID will be stored in local storage.
* @returns {Promise<SlAlert>} SlAlert element
*/
public async message(message : string, type : "" | "help" | "info" | "error" | "warning" | "success" = "", duration : null | number = null, closable = true, _discardID : null | string = null)
{
if(message && !type)
{
const error_reg_exp = new RegExp('(error|' + egw.lang('error') + ')', 'i');
type = message.match(error_reg_exp) ? 'error' : 'success';
}
// Do not add a same message twice if it's still not dismissed
const hash = await this.egw.hashString(message);
if(typeof this._messages[hash] !== "undefined")
{
return this._messages[hash];
}
// Already discarded, just stop
if(_discardID && EgwFrameworkMessage.isDiscarded(_discardID))
{
return;
}
const attributes = {
type: type,
closable: closable,
duration: duration * 1000,
discard: _discardID,
message: message,
"data-hash": hash
}
if(!duration)
{
delete attributes.duration;
}
const alert = Object.assign(document.createElement("egw-message"), attributes);
alert.addEventListener("sl-hide", (e) =>
{
delete this._messages[e.target["data-hash"] ?? ""];
});
this._messages[hash] = alert;
document.body.append(alert);
await alert.updateComplete;
alert.toast();
return alert;
}
protected getBaseUrl() {return "";}
protected handleDarkmodeChange(event)
{
// Update CSS classes
this.classList.toggle("sl-theme-light", !event.target.darkmode);
this.classList.toggle("sl-theme-dark", event.target.darkmode);
// Update preference
this.egw.set_preference("common", "darkmode", (event.target.darkmode ? "1" : "0"));
}
/**
* An application tab is chosen, show the app
*
* @param e
* @protected
*/
protected handleApplicationTabShow(event)
{
// Create & show app
this.showTab(event.target.activeTab.panel);
}
public showTab(appname)
{
this.querySelectorAll("egw-app").forEach(app => app.removeAttribute("active"));
let appComponent = this.querySelector(`egw-app#${appname}`);
if(!appComponent)
{
appComponent = this.loadApp(appname);
}
appComponent.setAttribute("active", "");
// Update the list on the server
const tabGroup : SlTabGroup = this.shadowRoot.querySelector("sl-tab-group.egw_fw__open_applications");
tabGroup.updateComplete.then(() =>
{
this.updateTabs(appComponent);
});
}
/**
* An application tab is closed
*/
protected handleApplicationTabClose(event)
{
const tabGroup : SlTabGroup = this.shadowRoot.querySelector("sl-tab-group.egw_fw__open_applications");
const tab = event.target;
const panel = tabGroup.querySelector(`sl-tab-panel[name="${tab.panel}"]`);
// Show the previous tab if the tab is currently active
if(tab.active)
{
tabGroup.show(tab.previousElementSibling.panel);
}
else
{
// Show will update, but closing in the background we call directly
tabGroup.updateComplete.then(() =>
{
this.updateTabs(tabGroup.querySelector("sl-tab[active]"));
});
}
// Remove the tab + panel
tab.remove();
if(panel)
{
panel.remove();
}
}
/**
* Store last status of tabs
* tab status being used in order to open all previous opened
* tabs and to activate the last active tab
*/
private updateTabs(activeTab)
{
//Send the current tab list to the server
let data = this.assembleTabList(activeTab);
// Update session tabs
let tabs = {};
Object.keys(this.tabApps).forEach((t) =>
{
if(data.some(d => d.appName == t))
{
tabs[t] = this.tabApps[t];
tabs[t].active = t == activeTab.id;
}
});
this.tabApps = tabs;
//Serialize the tab list and check whether it really has changed since the last
//submit
var serialized = egw.jsonEncode(data);
if(serialized != this.serializedTabState)
{
this.serializedTabState = serialized;
if(this.tabApps)
{
this._setTabAppsSession(this.tabApps);
}
egw.jsonq('EGroupware\\Api\\Framework\\Ajax::ajax_tab_changed_state', [data]);
}
}
private assembleTabList(activeTab)
{
let appList = []
Array.from(this.shadowRoot.querySelectorAll("sl-tab-group.egw_fw__open_applications sl-tab")).forEach((tab : SlTab) =>
{
appList.push({appName: tab.panel, active: activeTab.id == tab.panel})
});
return appList;
}
private _setTabAppsSession(_tabApps)
{
if(_tabApps)
{
egw.setSessionItem('api', 'fw_tab_apps', JSON.stringify(_tabApps));
}
}
/**
* Renders one application into the 9-dots application menu
*
* @param app
* @returns {TemplateResult<1>}
* @protected
*/
protected _applicationListAppTemplate(app)
{
if(app.status !== "1")
{
return nothing;
}
return html`
<sl-tooltip placement="bottom" role="menuitem" content="${app.title}">
<et2-button-icon src="${app.icon}" aria-label="${app.title}" role="menuitem" noSubmit
helptext="${app.title}"
@click=${() =>
{
this.loadApp(app.name, true);
(<SlDropdown>this.shadowRoot.querySelector(".egw_fw__app_list")).hide();
}}
></et2-button-icon>
</sl-tooltip>`;
}
protected _applicationTabTemplate(app)
{
return html`
<sl-tab slot="nav" panel="${app.name}" closable aria-label="${app.title}" ?active=${app.active}>
<sl-tooltip placement="bottom" content="${app.title}" hoist>
<et2-image src="${app.icon}"></et2-image>
</sl-tooltip>
</sl-tab>`;
}
render()
{
const iconSize = getComputedStyle(this).getPropertyValue("--icon-size");
const statusPosition = this.egw?.preference("statusPosition", "common") ?? parseInt(iconSize) ?? "36";
const classes = {
"egw_fw__base": true
}
classes[`egw_fw__layout-${this.layout}`] = true;
return html`${until(this.getEgwComplete().then(() => html`
<div class=${classMap(classes)} part="base">
<div class="egw_fw__banner" part="banner" role="banner">
<slot name="banner"><span class="placeholder">Banner</span></slot>
</div>
<header class="egw_fw__header" part="header">
<slot name="logo"></slot>
<sl-dropdown class="egw_fw__app_list" role="menu">
<sl-icon-button slot="trigger" name="grid-3x3-gap"
label="${this.egw.lang("Application list")}"
aria-description="${this.egw.lang("Activate for a list of applications")}"
></sl-icon-button>
${repeat(this.applicationList, (app) => this._applicationListAppTemplate(app))}
</sl-dropdown>
<sl-tab-group part="open-applications" class="egw_fw__open_applications" activation="manual"
role="tablist"
@sl-tab-show=${this.handleApplicationTabShow}
@sl-close=${this.handleApplicationTabClose}
>
${repeat([...this.applicationList, ...Object.values(this.tabApps)]
.filter(app => typeof app.opened !== "undefined" && app.status !== "5")
.sort((a, b) => a.opened - b.opened), (app) => this._applicationTabTemplate(app))}
</sl-tab-group>
<slot name="header"><span class="placeholder">header</span></slot>
<slot name="header-right"><span class="placeholder">header-right</span></slot>
</header>
<div class="egw_fw__divider">
<sl-split-panel part="status-split" position-in-pixels="${statusPosition}" primary="end"
snap="150px ${iconSize} 0px"
snap-threshold="${Math.min(40, parseInt(iconSize) - 5)}"
aria-label="Side menu resize">
<main slot="start" part="main" class="egw_fw__main">
<slot></slot>
</main>
<sl-icon slot="divider" name="grip-vertical"></sl-icon>
<aside slot="end" class="egw_fw__status" part="status">
<slot name="status"><span class="placeholder">status</span></slot>
</aside>
</sl-split-panel>
</div>
<footer class="egw_fw__footer" part="footer">
<slot name="footer"><span class="placeholder">footer</span></slot>
</footer>
</div>
`), html`<span>Waiting for egw...</span>
<slot></slot>`)}`;
}
}
/**
* Information we keep and use about each app on the client side
* This might not be limited to actual EGw apps,
*/
export interface ApplicationInfo
{
/* Internal name, used for reference & indexing. Might not be an egw app, might have extra bits */
name : string,
/* Must be an egw app, used for the EgwFrameworkApp, preferences, etc. */
internalName? : string,
icon : string
title : string,
url : string,
/* What type of application (1: normal, 5: loaded but no tab) */
status : string,// = "1",
/* Is the app open, and at what place in the tab list */
opened? : number,
/* Is the app currently active */
active? : boolean// = false
}