Change buttons that used to be just an image to be just an image

- Remove Et2ButtonImage, it's not needed.  Buttons without labels look the same
- Add Et2Image to take its place
- Change etemplate modifier to use Et2Image for buttononly
- Some styling for mail account placeholder button

admin/templates/default/app.css

@@ -143,6 +143,7 @@ span#admin-mailaccount_acc_id {
 #admin-mailaccount_acc_smtp_account_id {
     padding-left: 5px;
 }
+
 #admin-mailaccount_button\[multiple\] {
     height: auto;
     padding-left: 5px;
@@ -150,9 +151,17 @@ span#admin-mailaccount_acc_id {
     width: 16px;
     vertical-align: top;
 }
+
+#admin-mailaccount_button\[placeholders\] {
+    height: 16px;
+    padding-left: 5px;
+    align-self: center;
+}
+
 #admin-mailaccount_mailLocalAddress {
     width: 98%;
 }
+
 select#admin-mailaccount_ident_id {
     width: 95%;
 }

admin/templates/pixelegg/app.css

@@ -156,6 +156,13 @@ span#admin-mailaccount_acc_id {
     width: 16px;
     vertical-align: top;
 }
+
+#admin-mailaccount_button\[placeholders\] {
+    height: 16px;
+    padding-left: 5px;
+    align-self: center;
+}
+
 #admin-mailaccount_mailLocalAddress {
     width: 98%;
 }

api/etemplate.php

@@ -160,12 +160,7 @@ function send_template()
 			// replace not set background_image attribute with new et2-button-image tag
 			if (!empty($attrs['image']) && (empty($attrs['background_image']) || $attrs['background_image'] === 'false'))
 			{
-				$tag = 'et2-button-image';
-				if($attrs['label'])
-				{
-					$attrs['statustext'] = $attrs['label'];
-					unset($attrs['label']);
-				}
+				$tag = 'et2-image';
 			}
 			// novalidation --> noValidation
 			if (!empty($attrs['novalidation']) && in_array($attrs['novalidation'], ['true', '1'], true))

api/js/etemplate/Et2Box/Et2Box.ts

@@ -41,7 +41,7 @@ export class Et2Box extends Et2Widget(LitElement) implements et2_IDetachedDOM
             ::slotted(*) {
             	flex: 1 0 auto;
             }
-            ::slotted(img) {
+            ::slotted(img),::slotted(et2-image) {
             	/* Stop images from growing.  In general we want them to stay */
             	flex-grow: 0;
             }

api/js/etemplate/Et2Button/Et2ButtonImage.ts

@@ -1,49 +0,0 @@
-/**
- * EGroupware eTemplate2 - Image only button widget
- *
- * @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
- */
-
-
-import {Et2Button} from "./Et2Button";
-import {css} from "@lion/core";
-
-export class Et2ButtonImage extends Et2Button
-{
-
-	public static styles = [
-		...Et2Button.styles,
-		css`
-		:host {
-			/* Important needed to override boxes trying to stretch children */
-			flex: 0 0 !important;
-		}
-		`
-	];
-
-	/**
-	 * Handle changes that have to happen based on changes to properties
-	 *
-	 */
-	requestUpdate(name : PropertyKey, oldValue)
-	{
-		super.requestUpdate(name, oldValue);
-
-		// image only don't have labels, but we'll set hover instead
-		if(name == 'label')
-		{
-			if(!this.statustext)
-			{
-				this.statustext = this.label;
-			}
-			this.__label = "";
-		}
-	}
-}
-
-// @ts-ignore TypeScript is not recognizing that Et2Button is a LitElement
-customElements.define("et2-button-image", Et2ButtonImage);

api/js/etemplate/Et2Image/Et2Image.ts

@@ -0,0 +1,183 @@
+/**
+ * EGroupware eTemplate2 - Image widget
+ *
+ * @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
+ */
+
+
+import {css, html, LitElement} from "@lion/core";
+import {Et2Widget} from "../Et2Widget/Et2Widget";
+import {et2_IDetachedDOM} from "../et2_core_interfaces";
+
+export class Et2Image extends Et2Widget(LitElement) implements et2_IDetachedDOM
+{
+	static get styles()
+	{
+		return [
+			...super.styles,
+			css`
+            :host {
+				display: inline-block;
+            }
+            img {
+            	height: 100%;
+            	width: 100%;
+            }
+            `,
+		];
+	}
+
+	static get properties()
+	{
+		return {
+
+			/**
+			 * Image
+			 * Displayed image
+			 */
+			src: {type: String},
+
+			/**
+			 * Default image
+			 * Image to use if src is not found
+			 */
+			default_src: {type: String},
+
+			/**
+			 * Link Target
+			 * Link URL, empty if you don't wan't to display a link.
+			 */
+			href: {type: String},
+
+			/**
+			 * Link target
+			 * Link target descriptor
+			 */
+			extra_link_target: {type: String},
+
+			/**
+			 * Popup
+			 * widthxheight, if popup should be used, eg. 640x480
+			 */
+			extra_link_popup: {type: String},
+
+			/**
+			 * Expose view
+			 * Clicking on an image with href value would popup an expose view, and will show image referenced by href.
+			 */
+			expose_view: {type: Boolean},
+		}
+	}
+
+	constructor()
+	{
+		super();
+		this.src = "";
+		this.default_src = egw?.image("help");
+		this.href = "";
+		this.extra_link_target = "_self";
+		this.extra_link_popup = "";
+		this.expose_view = false;
+	}
+
+	connectedCallback()
+	{
+		super.connectedCallback();
+		this._handleClick = this._handleClick.bind(this);
+	}
+
+	render()
+	{
+		return html`
+            <img ${this.id ? html`id="${this.id}"` : ''}
+                 src="${this.src || this.default_src}"
+                 alt="${this.label}"
+                 title="${this.statustext || this.label}"
+            >`;
+	}
+
+	/**
+	 * Set image src
+	 *
+	 * @param {string} _value image, app/image or url
+	 */
+	set src(_value : string)
+	{
+		this.__src = _value;
+
+		// allow url's too
+		if(_value[0] == '/' || _value.substr(0, 4) == 'http' || _value.substr(0, 5) == 'data:')
+		{
+			this.setAttribute('src', _value);
+			return;
+		}
+		let src = this.egw().image(_value);
+		if(src)
+		{
+			this.setAttribute('src', src);
+		}
+	}
+
+	_handleClick(_ev : MouseEvent) : boolean
+	{
+		if(this.href)
+		{
+			this.egw().open_link(this.href, this.extra_link_target, this.extra_link_popup);
+		}
+		else
+		{
+			return super._handleClick(_ev);
+		}
+	}
+
+	/**
+	 * Handle changes that have to happen based on changes to properties
+	 *
+	 */
+	requestUpdate(name : PropertyKey, oldValue)
+	{
+		super.requestUpdate(name, oldValue);
+
+		// if there's an href, make it look clickable
+		if(name == 'href')
+		{
+			this.classList.toggle("et2_clickable", this.href)
+		}
+	}
+
+	/**
+	 * Code for implementing et2_IDetachedDOM
+	 *
+	 * Individual widgets are detected and handled by the grid, but the interface is needed for this to happen
+	 *
+	 * @param {array} _attrs array to add further attributes to
+	 */
+	getDetachedAttributes(_attrs)
+	{
+		_attrs.push('data');
+	}
+
+	getDetachedNodes()
+	{
+		return [this.getDOMNode()];
+	}
+
+	setDetachedAttributes(_nodes, _values)
+	{
+		if(_values.data)
+		{
+			var pairs = _values.data.split(/,/g);
+			for(var i = 0; i < pairs.length; ++i)
+			{
+				var name_value = pairs[i].split(':');
+				jQuery(_nodes[0]).attr('data-' + name_value[0], name_value[1]);
+			}
+		}
+	}
+}
+
+customElements.define("et2-image", Et2Image as any, {extends: 'img'});

api/js/etemplate/etemplate2.ts

@@ -25,7 +25,6 @@ import '../jsapi/egw_json.js';
 import {egwIsMobile} from "../egw_action/egw_action_common.js";
 import './Et2Box/Et2Box';
 import './Et2Button/Et2Button';
-import './Et2Button/Et2ButtonImage';
 import './Et2Date/Et2Date';
 import './Et2Date/Et2DateDuration';
 import './Et2Date/Et2DateDurationReadonly';
@@ -38,6 +37,7 @@ import './Et2Date/Et2DateTimeReadonly';
 import './Et2Date/Et2DateTimeToday';
 import './Et2Description/Et2Description';
 import './Et2Dialog/Et2Dialog';
+import './Et2Image/Et2Image';
 import './Et2Select/Et2Select';
 import './Et2Select/Et2SelectAccount';
 import './Et2Select/Et2SelectReadonly';