From a9d57499a33ef5c237ab5bd4fd176de6fda735ad Mon Sep 17 00:00:00 2001
From: nathan <nathangray.bsc+github@gmail.com>
Date: Wed, 8 May 2024 08:32:23 -0600
Subject: [PATCH] Framework WIP: - Starting to get app loading

---
 kdots/head.tpl              |  24 -------
 kdots/js/EgwFramework.ts    | 108 ++++++++++++++++++++++++++++---
 kdots/js/EgwFrameworkApp.ts | 126 ++++++++++++++++++++++++++----------
 kdots/js/app.ts             |  13 +++-
 4 files changed, 203 insertions(+), 68 deletions(-)

diff --git a/kdots/head.tpl b/kdots/head.tpl
index 2ca30f4b83..c9e37ae1e9 100644
--- a/kdots/head.tpl
+++ b/kdots/head.tpl
@@ -61,30 +61,6 @@
 
 {hook_after_navbar}
 
-<!-- END framework -->
-<!--
-
-<div id="egw_fw_basecontainer" lang="{lang_code}">
-	<div id="egw_fw_header">
-		<div id="egw_fw_topmenu">
-			<div id="egw_fw_topmenu_items">
-                {topmenu_items}
-				<div class="timezone">
-                    {user_info}
-				</div>
-                {powered_by}
-			</div>
-		</div>
-	</div>
-	<div id="egw_fw_sidebar">
-		<div id="egw_fw_sidemenu"></div>
-		<div id="egw_fw_splitter"></div>
-	</div>
-	<div id="egw_fw_main">
-		<div id="egw_fw_tabs">
-		</div>
-	</div>
-</div>
 <div id="egw_fw_firstload">
     {firstload_animation}
 </div>
diff --git a/kdots/js/EgwFramework.ts b/kdots/js/EgwFramework.ts
index 80c5b85f12..8b956e7c2a 100644
--- a/kdots/js/EgwFramework.ts
+++ b/kdots/js/EgwFramework.ts
@@ -2,10 +2,12 @@ import {css, html, LitElement} 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 "@shoelace-style/shoelace/dist/components/split-panel/split-panel.js";
 import styles from "./EgwFramework.styles";
-import {repeat} from "lit/directives/repeat.js";
-import {Function} from "estree";
+import {egw} from "../../api/js/jsapi/egw_global";
+import {SlTab, SlTabGroup} from "@shoelace-style/shoelace";
+import {EgwFrameworkApp} from "./EgwFrameworkApp";
 
 /**
  * @summary Accessable, webComponent-based EGroupware framework
@@ -94,9 +96,9 @@ export class EgwFramework extends LitElement
 	@property({type: Array, attribute: "application-list"})
 	applicationList = [];
 
-	get egw()
+	get egw() : typeof egw
 	{
-		return window.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(""),
@@ -104,15 +106,103 @@ export class EgwFramework extends LitElement
 		};
 	}
 
+	/**
+	 *
+	 * @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 loadApp(appname)
+	{
+		const app = this.applicationList.find(a => a.name == appname);
+		let appComponent = <EgwFrameworkApp>document.createElement("egw-app");
+		appComponent.id = appname;
+		appComponent.name = appname;
+		appComponent.url = app?.url;
+		this.append(appComponent);
+		app.opened = this.shadowRoot.querySelectorAll("sl-tab").length;
+		this.requestUpdate("applicationList");
+
+		return appComponent;
+	}
+
+	protected getBaseUrl() {return "";}
+
 	/**
 	 * An application tab is chosen, show the app
 	 *
 	 * @param e
 	 * @protected
 	 */
-	protected handleApplicationTabShow(e)
+	protected handleApplicationTabShow(event)
 	{
+		this.querySelectorAll("egw-app").forEach(app => app.removeAttribute("active"));
 
+		// Create & show app
+		const appname = event.target.activeTab.panel;
+		let appComponent = this.querySelector(`egw-app#${appname}`);
+		if(!appComponent)
+		{
+			appComponent = this.loadApp(appname);
+		}
+		appComponent.setAttribute("active", "");
+
+		// Update the list on the server
+		this.updateTabs(event.target.activeTab);
+	}
+
+	/**
+	 * An application tab is closed
+	 */
+	protected handleApplicationTabClose(event)
+	{
+		const tabGroup : SlTabGroup = this.shadowRoot.querySelector("sl-tab-group.egw_fw__open_applications");
+		const tab = event.target;
+		const panel = tabGroup.querySelector(`sl-tab-panel[name="${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
+			this.updateTabs(tabGroup.querySelector("sl-tab[active]"));
+		}
+
+		// Remove the tab + panel
+		tab.remove();
+		panel.remove();
+	}
+
+	private updateTabs(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.panel == tab.panel})
+		});
+		this.egw.jsonq('EGroupware\\Api\\Framework\\Ajax::ajax_tab_changed_state', [appList]);
 	}
 
 	/**
@@ -134,7 +224,7 @@ export class EgwFramework extends LitElement
 	protected _applicationTabTemplate(app)
 	{
 		return html`
-            <sl-tab slot="nav" panel="${app.app}" closable aria-label="${app.title}">
+            <sl-tab slot="nav" panel="${app.name}" closable aria-label="${app.title}">
                 <sl-tooltip placement="bottom" content="${app.title}" hoist>
                     <et2-image src="${app.icon}"></et2-image>
                 </sl-tooltip>
@@ -167,8 +257,10 @@ export class EgwFramework extends LitElement
                     </sl-dropdown>
                     <sl-tab-group part="open-applications" class="egw_fw__open_applications" activation="manual"
                                   role="tablist"
-                                  @sl-tab-show=${this.handleApplicationTabShow}>
-                        ${repeat(this.applicationList.filter(app => app.opened), (app) => this._applicationTabTemplate(app))}
+                                  @sl-tab-show=${this.handleApplicationTabShow}
+                                  @sl-close=${this.handleApplicationTabClose}
+                    >
+                        ${repeat(this.applicationList.filter(app => app.opened).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>
diff --git a/kdots/js/EgwFrameworkApp.ts b/kdots/js/EgwFrameworkApp.ts
index 976e5a80c3..0dbf6c4466 100644
--- a/kdots/js/EgwFrameworkApp.ts
+++ b/kdots/js/EgwFrameworkApp.ts
@@ -88,6 +88,9 @@ export class EgwFrameworkApp extends LitElement
 	@property()
 	name = "Application name";
 
+	@property()
+	url = "";
+
 	@state()
 	leftCollapsed = false;
 
@@ -122,6 +125,8 @@ export class EgwFrameworkApp extends LitElement
 	};
 	private resizeTimeout : number;
 
+	protected loadingPromise = Promise.resolve();
+
 	connectedCallback()
 	{
 		super.connectedCallback();
@@ -133,6 +138,64 @@ export class EgwFrameworkApp extends LitElement
 		{
 			this.rightPanelInfo.preferenceWidth = parseInt(width) ?? this.rightPanelInfo.defaultWidth;
 		});
+
+		// Register the "data" plugin
+		this.egw.registerJSONPlugin(this.jsonDataHandler, this, 'data');
+	}
+
+	disconnectedCallback()
+	{
+		super.disconnectedCallback();
+		this.egw.unregisterJSONPlugin(this.jsonDataHandler, this, "data", false)
+	}
+
+	firstUpdated()
+	{
+		this.load(this.url);
+	}
+
+	protected load(url)
+	{
+		if(!url)
+		{
+			while(this.firstChild)
+			{
+				this.removeChild(this.lastChild);
+			}
+			return;
+		}
+		let targetUrl = "";
+		let useIframe = false;
+		let matches = url.match(/\/index.php\?menuaction=([A-Za-z0-9_\.]*.*&ajax=true.*)$/);
+		if(matches)
+		{
+			// Matches[1] contains the menuaction which should be executed - replace
+			// the given url with the following line. This will be evaluated by the
+			// jdots_framework ajax_exec function which will be called by the code
+			// below as we set useIframe to false.
+			targetUrl = "index.php?menuaction=" + matches[1];
+			useIframe = false;
+		}
+
+		// Destroy application js
+		if(window.app[this.name] && window.app[this.name].destroy)
+		{
+			window.app[this.name].destroy();
+			delete window.app[this.name];	// really delete it, so new object get constructed and registered for push
+		}
+		return this.loadingPromise = this.egw.request(
+			this.framework.getMenuaction('ajax_exec', targetUrl, this.name),
+			[targetUrl]
+		);
+	}
+
+	protected jsonDataHandler(type, res, req)
+	{
+		if(req.context !== this)
+		{
+			return;
+		}
+		debugger;
 	}
 
 	public showLeft()
@@ -174,6 +237,11 @@ export class EgwFrameworkApp extends LitElement
 		return window.egw ?? (<EgwFramework>this.parentElement).egw ?? null;
 	}
 
+	get framework() : EgwFramework
+	{
+		return this.closest("egw-framework");
+	}
+
 	/**
 	 * User adjusted side slider, update preference
 	 *
@@ -207,21 +275,33 @@ export class EgwFrameworkApp extends LitElement
 		}
 	}
 
+	protected _asideTemplate(parentSlot, side, label?)
+	{
+		const asideClassMap = classMap({
+			"egw_fw_app__aside": true,
+			"egw_fw_app__left": true,
+			"egw_fw_app__aside-collapsed": this.leftCollapsed,
+		});
+		return html`
+            <aside slot="${parentSlot}" part="${side}" class=${asideClassMap} aria-label="${label}">
+                <div class="egw_fw_app__aside_header header">
+                    <slot name="${side}-header"><span class="placeholder">${side}-header</span></slot>
+                </div>
+                <div class="egw_fw_app__aside_content content">
+                    <slot name="${side}"><span class="placeholder">${side}</span></slot>
+                </div>
+
+                <div class="egw_fw_app__aside_footer footer">
+                    <slot name="${side}-footer"><span class="placeholder">${side}-footer</span></slot>
+                </div>
+            </aside>`;
+	}
+
 	render()
 	{
 		const hasLeftSlots = this.hasSlotController.test('left-header') || this.hasSlotController.test('left') || this.hasSlotController.test('left-footer');
 		const hasRightSlots = this.hasSlotController.test('right-header') || this.hasSlotController.test('right') || this.hasSlotController.test('right-footer');
 
-		const leftClassMap = classMap({
-			"egw_fw_app__aside": true,
-			"egw_fw_app__left": true,
-			"egw_fw_app__aside-collapsed": this.leftCollapsed,
-		});
-		const rightClassMap = classMap({
-			"egw_fw_app__aside": true,
-			"egw_fw_app__right": true,
-			"egw_fw_app__aside-collapsed": this.rightCollapsed,
-		});
 		const leftWidth = this.leftCollapsed || !hasLeftSlots ? this.leftPanelInfo.hiddenWidth :
 						  this.leftPanelInfo.preferenceWidth;
 		const rightWidth = this.rightCollapsed || !hasRightSlots ? this.rightPanelInfo.hiddenWidth :
@@ -268,18 +348,7 @@ export class EgwFrameworkApp extends LitElement
                         this.leftCollapsed = !this.leftCollapsed;
                         this.requestUpdate();
                     }}></sl-icon>
-                    <aside slot="start" part="left" class=${leftClassMap}>
-                        <div class="egw_fw_app__aside_header header">
-                            <slot name="left-header"><span class="placeholder">left-header</span></slot>
-                        </div>
-                        <div class="egw_fw_app__aside_content content">
-                            <slot name="left"><span class="placeholder">left</span></slot>
-                        </div>
-
-                        <div class="egw_fw_app__aside_footer footer">
-                            <slot name="left-footer"><span class="placeholder">left-footer</span></slot>
-                        </div>
-                    </aside>
+                    ${this._asideTemplate("start", "left")}
                     <sl-split-panel slot="end"
                                     class=${classMap({"egw_fw_app__innerSplit": true, "no-content": !hasRightSlots})}
                                     primary="start"
@@ -303,18 +372,7 @@ export class EgwFrameworkApp extends LitElement
                         <footer slot="start" class="egw_fw_app__footer footer" part="footer">
                             <slot name="footer"><span class="placeholder">main-footer</span></slot>
                         </footer>
-                        <aside slot="end" class=${rightClassMap} part="right"
-                               aria-label="${this.egw.lang("%1 application details", this.egw.lang(this.name))}">
-                            <header class="egw_fw_app__aside_header header">
-                                <slot name="right-header"><span class="placeholder">right-header</span></slot>
-                            </header>
-                            <div class="egw_fw_app__aside_content content" tabindex="0">
-                                <slot name="right"><span class="placeholder">right</span></slot>
-                            </div>
-                            <footer class="egw_fw_app__aside_footer footer">
-                                <slot name="right-footer"><span class="placeholder">right-footer</span></slot>
-                            </footer>
-                        </aside>
+                        ${this._asideTemplate("end", "right", this.egw.lang("%1 application details", this.egw.lang(this.name)))}
                     </sl-split-panel>
                 </sl-split-panel>
             </div>
diff --git a/kdots/js/app.ts b/kdots/js/app.ts
index 4af6ee130a..38a0376b3c 100644
--- a/kdots/js/app.ts
+++ b/kdots/js/app.ts
@@ -2,12 +2,21 @@
  * app.ts is auto-built
  */
 
-import "./EgwFramework";
-import "./EgwFrameworkApp";
+import {EgwFramework} from "./EgwFramework";
+import {EgwFrameworkApp} from "./EgwFrameworkApp";
 
 
 document.addEventListener('DOMContentLoaded', () =>
 {
+	// Not sure what's up here
+	if(!window.customElements.get("egw-framework"))
+	{
+		window.customElements.define("egw-framework", EgwFramework);
+	}
+	if(!window.customElements.get("egw-app"))
+	{
+		window.customElements.define("egw-app", EgwFrameworkApp);
+	}
 	/* Set up listener on avatar menu */
 	const avatarMenu = document.querySelector("#topmenu_info_user_avatar");
 	avatarMenu.addEventListener("sl-select", (e : CustomEvent) =>