From 01d3464725c583cac22dd33bbb6ee46980c29b75 Mon Sep 17 00:00:00 2001
From: Udo Walter
Date: Thu, 13 Aug 2020 20:35:46 +0200
Subject: Move custom logo to the bottom left

With the property 'slx-logo-primary: true' in the guacamole.properties file the custom logo will be displayed as the primary logo in the center. (In this case the bwlehrpool logo will displayed in the bottom left instead)
---
 .../java/de/bwlehrpool/bwlp_guac/BwlpREST.java     |  8 ++++----
 .../java/de/bwlehrpool/bwlp_guac/SlxConfig.java    | 23 +++++++++++++++++++---
 src/main/resources/bwlpModule.js                   | 10 ++++++----
 src/main/resources/guac-manifest.json              |  2 +-
 src/main/resources/secondary-logo.html             |  3 +++
 src/main/resources/styles/login.css                | 15 ++++++++++++--
 6 files changed, 47 insertions(+), 14 deletions(-)
 create mode 100644 src/main/resources/secondary-logo.html

diff --git a/src/main/java/de/bwlehrpool/bwlp_guac/BwlpREST.java b/src/main/java/de/bwlehrpool/bwlp_guac/BwlpREST.java
index 65258f7..4830d02 100644
--- a/src/main/java/de/bwlehrpool/bwlp_guac/BwlpREST.java
+++ b/src/main/java/de/bwlehrpool/bwlp_guac/BwlpREST.java
@@ -8,10 +8,10 @@ import javax.ws.rs.core.MediaType;
 public class BwlpREST {
 
     @GET
-    @Path("logoUrl")
-    @Produces(MediaType.TEXT_PLAIN)
-    public String getLogoUrl() {
-        return SlxConfig.logoUrl();
+    @Path("logoConfig")
+    @Produces(MediaType.APPLICATION_JSON)
+    public String getLogoConfig() {
+        return "{ \"url\": \"" + SlxConfig.logoUrl() + "\", \"primary\": " + SlxConfig.logoPrimary() + " }";
     }
 
 }
\ No newline at end of file
diff --git a/src/main/java/de/bwlehrpool/bwlp_guac/SlxConfig.java b/src/main/java/de/bwlehrpool/bwlp_guac/SlxConfig.java
index f93c965..1fadac0 100644
--- a/src/main/java/de/bwlehrpool/bwlp_guac/SlxConfig.java
+++ b/src/main/java/de/bwlehrpool/bwlp_guac/SlxConfig.java
@@ -27,6 +27,13 @@ public class SlxConfig {
 		}
 	};
 
+	private static final StringGuacamoleProperty LOGO_PRIMARY = new StringGuacamoleProperty() {
+		@Override
+		public String getName() {
+			return "slx-logo-primary";
+		}
+	};
+
 	static {
 		Environment e;
 		try {
@@ -49,10 +56,20 @@ public class SlxConfig {
 
 	public static String logoUrl() {
 		try {
-			return ENVIRONMENT.getProperty(LOGO_URL);
+			String url = ENVIRONMENT.getProperty(LOGO_URL);
+			if (url == null) return "";
+			return url;
 		} catch (GuacamoleException e) {
-			LOGGER.warn("Cannot get logo url from properties", e);
-			return null;
+			return "";
+		}
+	}
+
+	public static boolean logoPrimary() {
+		try {
+			String primary = ENVIRONMENT.getProperty(LOGO_PRIMARY);
+			return primary != null && primary.equals("true");
+		} catch (GuacamoleException e) {
+			return false;
 		}
 	}
 
diff --git a/src/main/resources/bwlpModule.js b/src/main/resources/bwlpModule.js
index f0605e3..8e45c74 100644
--- a/src/main/resources/bwlpModule.js
+++ b/src/main/resources/bwlpModule.js
@@ -5,8 +5,10 @@ angular.module('group', [
 angular.module('index').requires.push('group');
 
 // Set custom logo
-$http = angular.injector(["ng"]).get("$http");
-$http.get('api/ext/de.bwlehrpool.bwgpul/logoUrl').then(function (response) {
-    if (!response.data) return
-    document.documentElement.style.setProperty('--logo', "url('" + response.data + "')")
+$http = angular.injector(['ng']).get('$http');
+$http.get('api/ext/de.bwlehrpool.bwgpul/logoConfig').then(function (response) {
+    if (!response.data || !response.data.url) return;
+    let cssVar = response.data.primary ? '--primary-logo' : '--secondary-logo';
+    document.documentElement.style.setProperty(cssVar, "url('" + response.data.url + "')");
+    document.documentElement.style.setProperty('--secondary-logo-display', "block");
 })
diff --git a/src/main/resources/guac-manifest.json b/src/main/resources/guac-manifest.json
index de2a5cf..565984d 100644
--- a/src/main/resources/guac-manifest.json
+++ b/src/main/resources/guac-manifest.json
@@ -6,7 +6,7 @@
     "largeIcon" : "images/Logo_bwLehrpool_symbol.png",
     "authProviders": ["de.bwlehrpool.bwlp_guac.BwlpAuthenticationProvider"],
     "listeners" : ["de.bwlehrpool.bwlp_guac.TunnelListener"],
-    "html" : [ "login-logo.html", "selection-logo.html" ],
+    "html" : [ "login-logo.html", "selection-logo.html", "secondary-logo.html" ],
     "translations" : [
         "translations/en.json",
         "translations/de.json"
diff --git a/src/main/resources/secondary-logo.html b/src/main/resources/secondary-logo.html
new file mode 100644
index 0000000..9ab3aef
--- /dev/null
+++ b/src/main/resources/secondary-logo.html
@@ -0,0 +1,3 @@
+<meta name="after" content=".login-ui .login-dialog">
+
+<img class="secondary-logo">
diff --git a/src/main/resources/styles/login.css b/src/main/resources/styles/login.css
index 8fe590b..a85c6a8 100644
--- a/src/main/resources/styles/login.css
+++ b/src/main/resources/styles/login.css
@@ -1,5 +1,16 @@
 :root {
-    --logo: url('app/ext/de.bwlehrpool/images/Logo_bwLehrpool.svg');
+    --primary-logo: url('app/ext/de.bwlehrpool/images/Logo_bwLehrpool.svg');
+    --secondary-logo: url('app/ext/de.bwlehrpool/images/Logo_bwLehrpool.svg');
+    --secondary-logo-display: none;
+}
+
+.secondary-logo {
+    display: var(--secondary-logo-display);
+    position: absolute;
+    left: 20px;
+    bottom: 20px;
+    width: 215px;
+    content: var(--secondary-logo);
 }
 
 .login-ui .login-logo, .login-ui .selection-logo {
@@ -7,7 +18,7 @@
     display: block;
     margin-left: auto;
     margin-right: auto;
-    content: var(--logo);
+    content: var(--primary-logo);
 }
 
 .login-ui .selection-logo {
-- 
cgit v1.2.3-55-g7522