allow to use and automatic find bootstrap icons via egw.image('<bootstrap-name>') or Image::find() on server-side

api/js/etemplate/Et2Button/ButtonMixin.ts

@@ -90,7 +90,7 @@ export const ButtonMixin = <T extends Constructor>(superclass : T) => class exte
     			width: 16px !important;
 			}
             ::slotted(et2-image) {
-            	width: 20px;
+            	height: 20px;
                 max-width: 20px;
                 display: flex;
             }
@@ -193,7 +193,7 @@ export const ButtonMixin = <T extends Constructor>(superclass : T) => class exte
 	set image(new_image : string)
 	{
 		let oldValue = this.__image;
-		if(new_image.indexOf("http") >= 0 || new_image.indexOf(this.egw().webserverUrl) >= 0)
+		if(new_image.startsWith("http") || new_image.startsWith(this.egw().webserverUrl))
 		{
 			this.__image = new_image
 		}

api/js/jsapi/egw_images.js

@@ -87,7 +87,7 @@ egw.extend('images', egw.MODULE_GLOBAL, function()
 				}
 			}
 
-			// own instance specific images in vfs have highest precedence
+			// own instance specific images in vfs have the highest precedence
 			tries['vfs']=_name;
 			if (typeof images['vfs'] != 'undefined' && typeof images['vfs'][_name] == 'string')
 			{
@@ -98,6 +98,16 @@ egw.extend('images', egw.MODULE_GLOBAL, function()
 			{
 				return this.webserverUrl+images[_app][_name];
 			}
+			tries['global'] = _name;
+			if (typeof images['global'] !== 'undefined' && typeof images['global'][_name] === 'string')
+			{
+				return this.image(images['global'][_name], _app);
+			}
+			tries['bootstrap'] = _name;
+			if (typeof images['bootstrap'] !== 'undefined' && typeof images['bootstrap'][_name] == 'string')
+			{
+				return this.webserverUrl+images['bootstrap'][_name];
+			}
 			tries['api'] = _name;
 			if (typeof images['api'] != 'undefined' && typeof images['api'][_name] == 'string')
 			{
@@ -190,4 +200,3 @@ egw.extend('images', egw.MODULE_GLOBAL, function()
 		}
 	};
 });
-

api/src/Image.php

@@ -19,6 +19,20 @@ namespace EGroupware\Api;
  */
 class Image
 {
+	/**
+	 * Global lookup table mapping logic image-names to selected bootstrap icons or existing icons:
+	 * - edit --> pencil-fill
+	 * - save --> api/save as bootstrap's save does not match, but shadows api/save, if not remapped here
+	 *
+	 * @var string[]
+	 */
+	static $global2bootstrap = [
+		'edit' => 'pencil-fill',
+		'save' => 'api/save',   // as bootstrap's save would shadow api/save and is not fitting
+		'apply' => 'floppy',
+		'cancel' => 'x-square',
+		'delete' => 'trash3',
+	];
 	/**
 	 * Searches a appname, template and maybe language and type-specific image
 	 *
@@ -49,7 +63,7 @@ class Image
 
 		$webserver_url = $GLOBALS['egw_info']['server']['webserver_url'];
 
-		// instance specific images have highest precedence
+		// instance specific images have the highest precedence
 		if (isset($image_map['vfs'][$image.$extension]))
 		{
 			$url = $webserver_url.$image_map['vfs'][$image.$extension];
@@ -59,6 +73,20 @@ class Image
 		{
 			$url = $webserver_url.$image_map[$app][$image.$extension];
 		}
+		// then our globals lookup table $img2bootstrap
+		elseif(isset($image_map['global'][$image]))
+		{
+			$image = $image_map['global'][$image];
+		}
+		if (isset($url))
+		{
+			// keep it
+		}
+		// then bootstrap icons
+		elseif(isset($image_map['bootstrap'][$image]))
+		{
+			$url = $webserver_url.$image_map['bootstrap'][$image];
+		}
 		// then api
 		elseif(isset($image_map['api'][$image.$extension]))
 		{
@@ -78,7 +106,7 @@ class Image
 			return $url;
 		}
 
-		// if image not found, check if it has an extension and try withoug
+		// if image not found, check if it has an extension and try without
 		if (strpos($image, '.') !== false)
 		{
 			$name = null;
@@ -133,15 +161,18 @@ class Image
 		// priority: : SVG->PNG->JPG->GIF->ICO
 		$img_types = array('svg','png','jpg','gif','ico');
 
-		$map = array();
+		$map = ['global' => self::$global2bootstrap];
 		foreach(scandir(EGW_SERVER_ROOT) as $app)
 		{
-			if ($app[0] == '.' || !is_dir(EGW_SERVER_ROOT.'/'.$app) || !file_exists(EGW_SERVER_ROOT.'/'.$app.'/templates')) continue;
+			if ($app[0] === '.' || !is_dir(EGW_SERVER_ROOT.'/'.$app) ||
-
+				!file_exists(EGW_SERVER_ROOT.'/'.$app.'/templates') && $app !== 'node_modules')
+			{
+				continue;
+			}
 			$app_map =& $map[$app];
 			if (true) $app_map = array();
 			$imagedirs = array();
-			if (Header\UserAgent::mobile())
+			if (Header\UserAgent::mobile() && $app !== 'node_modules')
 			{
 				$imagedirs[] = '/'.$app.'/templates/mobile/images';
 			}
@@ -149,12 +180,21 @@ class Image
 			{
 				$imagedirs[] = $GLOBALS['egw']->framework->template_dir.'/images';
 			}
+			elseif ($app === 'node_modules')
+			{
+				unset($map[$app]);
+				$app_map =& $map[$app='bootstrap'];
+				$imagedirs[] = '/node_modules/bootstrap-icons/icons';
+			}
 			else
 			{
 				$imagedirs[] = '/'.$app.'/templates/'.$template_set.'/images';
 			}
+			if ($app !== 'bootstrap')
+			{
 				if ($template_set != 'idots') $imagedirs[] = '/'.$app.'/templates/idots/images';
 				$imagedirs[] = '/'.$app.'/templates/default/images';
+			}
 
 			foreach($imagedirs as $imagedir)
 			{

icons-new.html

@@ -0,0 +1,55 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>New Bootstrap Icons</title>
+    <base href="https://boulder.egroupware.org/egroupware/">
+</head>
+<body>
+<table>
+  <h1>New <a href="https://icons.getbootstrap.com/" target="_blank">Bootstrap</a> Icons</h1>
+  <tr>
+    <th>Name</th>
+    <th>Old</th>
+    <th>New</th>
+    <th>Alternatives / Notes</th>
+  </tr>
+  <tr>
+    <td>save</td>
+    <td><img src="api/templates/default/images/save.svg"/></td>
+    <td><img src="node_modules/bootstrap-icons/icons/floppy.svg" title="floppy"/></td>
+    <td>braucht neues Icon, evtl. Kombi aus apply & cancel (im unteren rechten Viertel)</td>
+  </tr>
+  <tr>
+    <td>apply</td>
+    <td><img src="api/templates/default/images/apply.svg"/></td>
+    <td><img src="node_modules/bootstrap-icons/icons/floppy.svg" title="floppy"/></td>
+    <td></td>
+  </tr>
+  <tr>
+    <td>cancel</td>
+    <td><img src="api/templates/default/images/cancel.svg"/></td>
+    <td><img src="node_modules/bootstrap-icons/icons/x-square.svg" title="x-square"/></td>
+    <td></td>
+  </tr>
+  <tr>
+    <td>apply</td>
+    <td><img src="api/templates/default/images/delete.svg"/></td>
+    <td><img src="node_modules/bootstrap-icons/icons/trash.svg" title="trash"/></td>
+    <td></td>
+  </tr>
+</table>
+<style>
+  td > img {
+    text-align: center;
+    height: 40px;
+  }
+  th {
+    text-align: left;
+  }
+  td, th {
+    padding: 5px;
+  }
+</style>
+</body>
+</html>