Update action icons

Use Jenkins design library icons.

pom.xml

@@ -74,6 +74,10 @@
       <artifactId>test-harness</artifactId>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>io.jenkins.plugins</groupId>
+      <artifactId>ionicons-api</artifactId>
+    </dependency>
   </dependencies>
 
   <!-- get every artifact through repo.jenkins-ci.org, which proxies all the artifacts that we need -->

src/main/java/org/jenkinsci/plugins/schedulebuild/ScheduleBuildAction.java

@@ -16,6 +16,7 @@
 import javax.servlet.ServletException;
 import jenkins.model.Jenkins;
 import net.sf.json.JSONObject;
+import org.jenkins.ui.icon.IconSpec;
 import org.kohsuke.stapler.AncestorInPath;
 import org.kohsuke.stapler.HttpResponse;
 import org.kohsuke.stapler.HttpResponses;
@@ -25,7 +26,7 @@
 import org.kohsuke.stapler.StaplerRequest;
 import org.kohsuke.stapler.interceptor.RequirePOST;
 
-public class ScheduleBuildAction implements Action, StaplerProxy {
+public class ScheduleBuildAction implements Action, StaplerProxy, IconSpec {
 
     private static final Logger LOGGER = Logger.getLogger(ScheduleBuildAction.class.getName());
 
@@ -45,8 +46,13 @@ public ScheduleBuildAction(final Job<?, ?> target) {
 
     @Override
     public String getIconFileName() {
+        return null;
+    }
+
+    @Override
+    public String getIconClassName() {
         return target.hasPermission(Job.BUILD) && this.target.isBuildable()
-                ? "/plugin/schedule-build/images/schedule.svg"
+                ? "symbol-calendar-outline plugin-ionicons-api"
                 : null;
     }
 

src/main/resources/org/jenkinsci/plugins/schedulebuild/ScheduleBuildAction/index.jelly

@@ -1,5 +1,5 @@
 <?jelly escape-by-default='true'?>
-<j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler" xmlns:d="jelly:define" xmlns:l="/lib/layout" xmlns:t="/lib/hudson" xmlns:f="/lib/form" xmlns:i="jelly:fmt" xmlns:local="local">
+<j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler" xmlns:l="/lib/layout" xmlns:f="/lib/form">
     <l:layout title="Test" norefresh="true">
         <st:include page="sidepanel.jelly" it="${it.owner}" />
         <l:main-panel>

src/main/resources/org/jenkinsci/plugins/schedulebuild/ScheduleBuildButtonColumn/column.jelly

@@ -1,11 +1,12 @@
 <?jelly escape-by-default='true'?>
-<!-- TODO add taglibs such as: xmlns:l="/lib/layout" xmlns:t="/lib/hudson" xmlns:f="/lib/form" -->
-<j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler" xmlns:d="jelly:define" xmlns:i="jelly:fmt">
-    <td>
-     <j:if test="${job.buildable and job.hasPermission(job.BUILD)}">
-      <a href="job/${job.name}/schedule" title="${%ScheduleBuildColumn.Title}">
-        <img alt="${%ScheduleBuildColumn.Title}" src="${rootURL}/plugin/schedule-build/images/schedule.svg" style="width: 24px; height: 24px; " title="${%ScheduleBuildColumn.Title}" />
-      </a>
-    </j:if>
+<j:jelly xmlns:j="jelly:core" xmlns:l="/lib/layout">
+    <td class="jenkins-table__cell--tight">
+        <j:if test="${job.buildable and job.hasPermission(job.BUILD)}">
+             <div class="jenkins-table__cell__button-wrapper">
+                 <a href="job/${job.name}/schedule" tooltip="${%ScheduleBuildColumn.Title}" class="jenkins-table__button">
+                     <l:icon src="symbol-calendar-outline plugin-ionicons-api" />
+                 </a>
+             </div>
+        </j:if>
     </td>
 </j:jelly>