Add workflow bpmn file preview support (#441)

2 years ago · 09a3fd2db8
parent eb12ced77f
commit 09a3fd2db8
26 changed files with 64911 additions and 41 deletions
--- a/README.cn.md
+++ b/README.cn.md
@ -8,6 +8,7 @@
 6. 支持 psd 等 Photoshop 软件模型文件
 7. 支持 pdf ,ofd, rtf 等文档
 8. 支持 xmind 软件模型文件
+9. 支持 bpmn 工作流文件
 9. 支持 eml 邮件文件
 10. 支持 epub 图书文档
 10. 支持 obj, 3ds, stl, ply, gltf, glb, off, 3dm, fbx, dae, wrl, 3mf, ifc, brep, step, iges, fcstd, bim 等 3D 模型文件
--- a/README.md
+++ b/README.md
@ -12,6 +12,7 @@ Document online preview project solution, built using the popular Spring Boot fr
 6. Supports Photoshop software model files such as `psd`.
 7. Supports document formats like `pdf`, `ofd`, and `rtf`.
 8. Supports software model files like `xmind`. 
+9. Support for `bpmn` workflow files.
 9. Support for `eml` mail files
 10. Support for `epub` book documents
 10. Supports 3D model files like `obj`, `3ds`, `stl`, `ply`, `gltf`, `glb`, `off`, `3dm`, `fbx`, `dae`, `wrl`, `3mf`, `ifc`, `brep`, `step`, `iges`, `fcstd`, `bim`, etc.
--- a/server/src/main/java/cn/keking/model/FileType.java
+++ b/server/src/main/java/cn/keking/model/FileType.java
@ -29,7 +29,8 @@ public enum FileType {
    Online3D("online3DFilePreviewImpl"),
    XMIND("xmindFilePreviewImpl"),
    SVG("svgFilePreviewImpl"),
-    Epub("epubFilePreviewImpl");
+    Epub("epubFilePreviewImpl"),
+    BPMN("bpmnFilePreviewImpl");

    private static final String[] OFFICE_TYPES = {"docx", "wps", "doc", "docm", "xls", "xlsx", "csv" ,"xlsm", "ppt", "pptx", "vsd", "rtf", "odt", "wmf", "emf", "dps", "et", "ods", "ots", "tsv", "odp", "otp", "sxi", "ott", "vsdx", "fodt", "fods", "xltx","tga","psd","dotm","ett","xlt","xltm","wpt","dot","xlam","xla"};
    private static final String[] PICTURE_TYPES = {"jpg", "jpeg", "png", "gif", "bmp", "ico", "jfif", "webp"};
@ -98,6 +99,7 @@ public enum FileType {
        FILE_TYPE_MAPPER.put("xml", FileType.XML);
        FILE_TYPE_MAPPER.put("pdf", FileType.PDF);
        FILE_TYPE_MAPPER.put("flv", FileType.FLV);
+        FILE_TYPE_MAPPER.put("bpmn", FileType.BPMN);
    }

    private static FileType to(String fileType) {
--- a/server/src/main/java/cn/keking/service/FilePreview.java
+++ b/server/src/main/java/cn/keking/service/FilePreview.java
@ -28,6 +28,7 @@ public interface FilePreview {
    String EXEL_FILE_PREVIEW_PAGE = "html";
    String XML_FILE_PREVIEW_PAGE = "xml";
    String MARKDOWN_FILE_PREVIEW_PAGE = "markdown";
+    String BPMN_FILE_PREVIEW_PAGE = "bpmn";
    String NOT_SUPPORTED_FILE_PAGE = "fileNotSupported";

    String filePreviewHandle(String url, Model model, FileAttribute fileAttribute);
--- a/server/src/main/java/cn/keking/service/impl/BpmnFilePreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/BpmnFilePreviewImpl.java
@ -0,0 +1,27 @@
+package cn.keking.service.impl;
+
+import cn.keking.model.FileAttribute;
+import cn.keking.service.FilePreview;
+import org.springframework.stereotype.Component;
+import org.springframework.ui.Model;
+
+/**
+ * @author kl (http://kailing.pub)
+ * @since 2023/3/9
+ */
+@Component
+public class BpmnFilePreviewImpl implements FilePreview {
+
+    private final CommonPreviewImpl commonPreview;
+
+    public BpmnFilePreviewImpl(CommonPreviewImpl commonPreview) {
+        this.commonPreview = commonPreview;
+    }
+
+    @Override
+    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
+        commonPreview.filePreviewHandle(url,model,fileAttribute);
+        model.addAttribute("fileName", fileAttribute.getName());
+        return FilePreview.BPMN_FILE_PREVIEW_PAGE;
+    }
+}
--- a/server/src/main/java/cn/keking/service/impl/CommonPreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/CommonPreviewImpl.java
@ -0,0 +1,48 @@
+package cn.keking.service.impl;
+
+import cn.keking.model.FileAttribute;
+import cn.keking.model.ReturnResponse;
+import cn.keking.service.FileHandlerService;
+import cn.keking.service.FilePreview;
+import cn.keking.utils.DownloadUtils;
+import cn.keking.utils.KkFileUtils;
+import org.springframework.stereotype.Component;
+import org.springframework.stereotype.Service;
+import org.springframework.ui.Model;
+import org.springframework.util.CollectionUtils;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Created by kl on 2018/1/17.
+ * Content :图片文件处理
+ */
+@Component("commonPreview")
+public class CommonPreviewImpl implements FilePreview {
+
+    private final FileHandlerService fileHandlerService;
+    private final OtherFilePreviewImpl otherFilePreview;
+
+    public CommonPreviewImpl(FileHandlerService fileHandlerService, OtherFilePreviewImpl otherFilePreview) {
+        this.fileHandlerService = fileHandlerService;
+        this.otherFilePreview = otherFilePreview;
+    }
+
+    @Override
+    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
+        // 不是http开头，浏览器不能直接访问，需下载到本地
+        if (url != null && !url.toLowerCase().startsWith("http")) {
+            ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, null);
+            if (response.isFailure()) {
+                return otherFilePreview.notSupportedFile(model, fileAttribute, response.getMsg());
+            } else {
+                String file = fileHandlerService.getRelativePath(response.getContent());
+                model.addAttribute("currentUrl", file);
+            }
+        } else {
+            model.addAttribute("currentUrl", url);
+        }
+        return null;
+    }
+}
--- a/server/src/main/java/cn/keking/service/impl/EmlFilePreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/EmlFilePreviewImpl.java
@ -11,15 +11,15 @@ import org.springframework.ui.Model;
@Service
 public class EmlFilePreviewImpl implements FilePreview {

-    private final PictureFilePreviewImpl pictureFilePreview;
+    private final CommonPreviewImpl commonPreview;

-    public EmlFilePreviewImpl(PictureFilePreviewImpl pictureFilePreview) {
-        this.pictureFilePreview = pictureFilePreview;
+    public EmlFilePreviewImpl(CommonPreviewImpl commonPreview) {
+        this.commonPreview = commonPreview;
    }

    @Override
    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
-        pictureFilePreview.filePreviewHandle(url,model,fileAttribute);
+        commonPreview.filePreviewHandle(url,model,fileAttribute);
        return EML_FILE_PREVIEW_PAGE;
    }
 }
--- a/server/src/main/java/cn/keking/service/impl/EpubFilePreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/EpubFilePreviewImpl.java
@ -13,15 +13,15 @@ import org.springframework.ui.Model;
@Service
 public class EpubFilePreviewImpl implements FilePreview {

-    private final PictureFilePreviewImpl pictureFilePreview;
+    private final CommonPreviewImpl commonPreview;

-    public EpubFilePreviewImpl(PictureFilePreviewImpl pictureFilePreview) {
-        this.pictureFilePreview = pictureFilePreview;
+    public EpubFilePreviewImpl(CommonPreviewImpl commonPreview) {
+        this.commonPreview = commonPreview;
    }

    @Override
    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
-        pictureFilePreview.filePreviewHandle(url,model,fileAttribute);
+        commonPreview.filePreviewHandle(url,model,fileAttribute);
        return EpubFilePreviewImpl;
    }
 }
--- a/server/src/main/java/cn/keking/service/impl/OfdFilePreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/OfdFilePreviewImpl.java
@ -13,15 +13,15 @@ import org.springframework.ui.Model;
@Service
 public class OfdFilePreviewImpl implements FilePreview {

-    private final PictureFilePreviewImpl pictureFilePreview;
+    private final CommonPreviewImpl commonPreview;

-    public OfdFilePreviewImpl(PictureFilePreviewImpl pictureFilePreview) {
-        this.pictureFilePreview = pictureFilePreview;
+    public OfdFilePreviewImpl(CommonPreviewImpl commonPreview) {
+        this.commonPreview = commonPreview;
    }

    @Override
    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
-        pictureFilePreview.filePreviewHandle(url,model,fileAttribute);
+        commonPreview.filePreviewHandle(url,model,fileAttribute);
        return OFD_FILE_PREVIEW_PAGE;
    }
 }
--- a/server/src/main/java/cn/keking/service/impl/Online3DFilePreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/Online3DFilePreviewImpl.java
@ -12,15 +12,15 @@ import org.springframework.ui.Model;
@Service
 public class Online3DFilePreviewImpl implements FilePreview {

-    private final PictureFilePreviewImpl pictureFilePreview;
+    private final CommonPreviewImpl commonPreview;

-    public Online3DFilePreviewImpl(PictureFilePreviewImpl pictureFilePreview) {
-        this.pictureFilePreview = pictureFilePreview;
+    public Online3DFilePreviewImpl(CommonPreviewImpl commonPreview) {
+        this.commonPreview = commonPreview;
    }

    @Override
    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
-        pictureFilePreview.filePreviewHandle(url,model,fileAttribute);
+        commonPreview.filePreviewHandle(url,model,fileAttribute);
        return Online3D_FILE_PAGE;
    }
 }
--- a/server/src/main/java/cn/keking/service/impl/PictureFilePreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/PictureFilePreviewImpl.java
@ -18,12 +18,13 @@ import java.util.List;
 * Content :图片文件处理
 */
@Service
-public class PictureFilePreviewImpl implements FilePreview {
+public class PictureFilePreviewImpl extends CommonPreviewImpl {

    private final FileHandlerService fileHandlerService;
    private final OtherFilePreviewImpl otherFilePreview;

    public PictureFilePreviewImpl(FileHandlerService fileHandlerService, OtherFilePreviewImpl otherFilePreview) {
+        super(fileHandlerService, otherFilePreview);
        this.fileHandlerService = fileHandlerService;
        this.otherFilePreview = otherFilePreview;
    }
@ -39,21 +40,8 @@ public class PictureFilePreviewImpl implements FilePreview {
            imgUrls.addAll(zipImgUrls);
        }
        // 不是http开头，浏览器不能直接访问，需下载到本地
-        if (url != null && !url.toLowerCase().startsWith("http")) {
-            ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, null);
-            if (response.isFailure()) {
-                return otherFilePreview.notSupportedFile(model, fileAttribute, response.getMsg());
-            } else {
-                String file = fileHandlerService.getRelativePath(response.getContent());
-                imgUrls.clear();
-                imgUrls.add(file);
-                model.addAttribute("imgUrls", imgUrls);
-                model.addAttribute("currentUrl", file);
-            }
-        } else {
-            model.addAttribute("imgUrls", imgUrls);
-            model.addAttribute("currentUrl", url);
-        }
+        super.filePreviewHandle(url, model, fileAttribute);
+        model.addAttribute("imgUrls", imgUrls);
        return PICTURE_FILE_PREVIEW_PAGE;
    }
 }
--- a/server/src/main/java/cn/keking/service/impl/SvgFilePreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/SvgFilePreviewImpl.java
@ -13,15 +13,15 @@ import org.springframework.ui.Model;
@Service
 public class SvgFilePreviewImpl implements FilePreview {

-    private final PictureFilePreviewImpl pictureFilePreview;
+    private final CommonPreviewImpl commonPreview;

-    public SvgFilePreviewImpl(PictureFilePreviewImpl pictureFilePreview) {
-        this.pictureFilePreview = pictureFilePreview;
+    public SvgFilePreviewImpl(CommonPreviewImpl commonPreview) {
+        this.commonPreview = commonPreview;
    }

    @Override
    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
-        pictureFilePreview.filePreviewHandle(url,model,fileAttribute);
+        commonPreview.filePreviewHandle(url,model,fileAttribute);
        return SVG_FILE_PREVIEW_PAGE;
    }
 }
--- a/server/src/main/java/cn/keking/service/impl/XmindFilePreviewImpl.java
+++ b/server/src/main/java/cn/keking/service/impl/XmindFilePreviewImpl.java
@ -13,15 +13,15 @@ import org.springframework.ui.Model;
@Service
 public class XmindFilePreviewImpl implements FilePreview {

-    private final PictureFilePreviewImpl pictureFilePreview;
+    private final CommonPreviewImpl commonPreview;

-    public XmindFilePreviewImpl(PictureFilePreviewImpl pictureFilePreview) {
-        this.pictureFilePreview = pictureFilePreview;
+    public XmindFilePreviewImpl(CommonPreviewImpl commonPreview) {
+        this.commonPreview = commonPreview;
    }

    @Override
    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
-        pictureFilePreview.filePreviewHandle(url,model,fileAttribute);
+        commonPreview.filePreviewHandle(url,model,fileAttribute);
        return XMIND_FILE_PREVIEW_PAGE;
    }
 }
--- a/server/src/main/resources/static/bpmn/bpmn-js.css
+++ b/server/src/main/resources/static/bpmn/bpmn-js.css
@ -0,0 +1,144 @@
+.bjs-container {
+    --bjs-font-family: Arial, sans-serif;
+
+    --color-grey-225-10-15: hsl(225, 10%, 15%);
+    --color-grey-225-10-35: hsl(225, 10%, 35%);
+    --color-grey-225-10-55: hsl(225, 10%, 55%);
+    --color-grey-225-10-75: hsl(225, 10%, 75%);
+    --color-grey-225-10-80: hsl(225, 10%, 80%);
+    --color-grey-225-10-85: hsl(225, 10%, 85%);
+    --color-grey-225-10-90: hsl(225, 10%, 90%);
+    --color-grey-225-10-95: hsl(225, 10%, 95%);
+    --color-grey-225-10-97: hsl(225, 10%, 97%);
+
+    --color-blue-205-100-45: hsl(205, 100%, 45%);
+    --color-blue-205-100-45-opacity-30: hsla(205, 100%, 45%, 30%);
+    --color-blue-205-100-50: hsl(205, 100%, 50%);
+    --color-blue-205-100-95: hsl(205, 100%, 95%);
+
+    --color-green-150-86-44: hsl(150, 86%, 44%);
+
+    --color-red-360-100-40: hsl(360, 100%, 40%);
+    --color-red-360-100-45: hsl(360, 100%, 45%);
+    --color-red-360-100-92: hsl(360, 100%, 92%);
+    --color-red-360-100-97: hsl(360, 100%, 97%);
+
+    --color-white: hsl(0, 0%, 100%);
+    --color-black: hsl(0, 0%, 0%);
+    --color-black-opacity-05: hsla(0, 0%, 0%, 5%);
+    --color-black-opacity-10: hsla(0, 0%, 0%, 10%);
+
+    --breadcrumbs-font-family: var(--bjs-font-family);
+    --breadcrumbs-item-color: var(--color-blue-205-100-50);
+    --breadcrumbs-arrow-color: var(--color-black);
+    --drilldown-fill-color: var(--color-white);
+    --drilldown-background-color: var(--color-blue-205-100-50);
+}
+
+.bjs-breadcrumbs {
+    position: absolute;
+    display: none;
+    flex-wrap: wrap;
+    align-items: center;
+    top: 30px;
+    left: 30px;
+    padding: 0px;
+    margin: 0px;
+    font-family: var(--breadcrumbs-font-family);
+    font-size: 16px;
+    line-height: normal;
+}
+
+.bjs-breadcrumbs-shown .bjs-breadcrumbs {
+    display: flex;
+}
+
+.djs-palette-shown .bjs-breadcrumbs {
+    left: 90px;
+}
+
+.djs-palette-shown.djs-palette-two-column .bjs-breadcrumbs {
+    left: 140px;
+}
+
+.bjs-breadcrumbs li {
+    display: inline-flex;
+    padding-bottom: 5px;
+}
+
+.bjs-breadcrumbs li a {
+    cursor: pointer;
+    color: var(--breadcrumbs-item-color);
+}
+
+.bjs-breadcrumbs li:last-of-type a {
+    color: inherit;
+    cursor: default;
+}
+
+.bjs-breadcrumbs li:not(:first-child)::before {
+    content: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="17" height="17" viewBox="0 0 24 24"><path d="M10 6L8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z" /><path d="M0 0h24v24H0z" fill="none" /></svg>');
+    padding: 0 8px;
+    color: var(--breadcrumbs-arrow-color);
+    height: 1em;
+}
+
+.bjs-breadcrumbs .bjs-crumb {
+    display: inline-block;
+    max-width: 200px;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+}
+
+.bjs-drilldown {
+    width: 20px;
+    height: 20px;
+
+    padding: 0px;
+    margin-left: -20px;
+
+    cursor: pointer;
+    border: none;
+    border-radius: 2px;
+    outline: none;
+
+    fill: var(--drilldown-fill-color);
+    background-color: var(--drilldown-background-color);
+}
+
+.bjs-drilldown-empty {
+    display: none;
+}
+
+.selected .bjs-drilldown-empty {
+    display: inherit;
+}
+
+[data-popup="align-elements"] .djs-popup-results {
+    display: flex;
+}
+
+[data-popup="align-elements"] .djs-popup-body [data-group] + [data-group] {
+    border-left: 1px solid var(--popup-border-color);
+}
+
+[data-popup="align-elements"] [data-group="align"] {
+    display: grid;
+    grid-template-columns: repeat(3, 1fr);
+}
+
+[data-popup="align-elements"] .djs-popup-body .entry {
+    padding: 6px 8px;
+}
+
+[data-popup="align-elements"] .djs-popup-body .entry:not(:first-child) {
+    margin-top: 0;
+}
+
+[data-popup="align-elements"] .djs-popup-entry-icon {
+    display: block;
+    margin: 0;
+    height: 20px;
+    width: 20px;
+}
--- a/server/src/main/resources/static/bpmn/bpmn-modeler.development.js
+++ b/server/src/main/resources/static/bpmn/bpmn-modeler.development.js
--- a/server/src/main/resources/static/bpmn/bpmn.css
+++ b/server/src/main/resources/static/bpmn/bpmn.css
@ -0,0 +1,163 @@
+@font-face {
+    font-family: 'bpmn';
+    src: url('../font/bpmn.eot?21877404');
+    src: url('../font/bpmn.eot?21877404#iefix') format('embedded-opentype'),
+    url('../font/bpmn.woff2?21877404') format('woff2'),
+    url('../font/bpmn.woff?21877404') format('woff'),
+    url('../font/bpmn.ttf?21877404') format('truetype'),
+    url('../font/bpmn.svg?21877404#bpmn') format('svg');
+    font-weight: normal;
+    font-style: normal;
+}
+/* Chrome hack: SVG is rendered more smooth in Windozze. 100% magic, uncomment if you need it. */
+/* Note, that will break hinting! In other OS-es font will be not as sharp as it could be */
+/*
+@media screen and (-webkit-min-device-pixel-ratio:0) {
+  @font-face {
+    font-family: 'bpmn';
+    src: url('../font/bpmn.svg?21877404#bpmn') format('svg');
+  }
+}
+*/
+[class^="bpmn-icon-"]:before, [class*=" bpmn-icon-"]:before {
+    font-family: "bpmn";
+    font-style: normal;
+    font-weight: normal;
+    speak: never;
+
+    display: inline-block;
+    text-decoration: inherit;
+    width: 1em;
+    /* margin-right: .2em; */
+    text-align: center;
+    /* opacity: .8; */
+
+    /* For safety - reset parent styles, that can break glyph codes*/
+    font-variant: normal;
+    text-transform: none;
+
+    /* fix buttons height, for twitter bootstrap */
+    line-height: 1em;
+
+    /* Animation center compensation - margins should be symmetric */
+    /* remove if not needed */
+    /* margin-left: .2em; */
+
+    /* you can be more comfortable with increased icons size */
+    /* font-size: 120%; */
+
+    /* Font smoothing. That was taken from TWBS */
+    -webkit-font-smoothing: antialiased;
+    -moz-osx-font-smoothing: grayscale;
+
+    /* Uncomment for 3D effect */
+    /* text-shadow: 1px 1px 1px rgba(127, 127, 127, 0.3); */
+}
+
+.bpmn-icon-trash:before { content: '\e801'; } /* '' */
+.bpmn-icon-gateway-parallel:before { content: '\e804'; } /* '' */
+.bpmn-icon-intermediate-event-catch-cancel:before { content: '\e805'; } /* '' */
+.bpmn-icon-intermediate-event-catch-non-interrupting-message:before { content: '\e806'; } /* '' */
+.bpmn-icon-start-event-compensation:before { content: '\e807'; } /* '' */
+.bpmn-icon-start-event-non-interrupting-parallel-multiple:before { content: '\e808'; } /* '' */
+.bpmn-icon-loop-marker:before { content: '\e809'; } /* '' */
+.bpmn-icon-parallel-mi-marker:before { content: '\e80a'; } /* '' */
+.bpmn-icon-start-event-non-interrupting-signal:before { content: '\e80b'; } /* '' */
+.bpmn-icon-intermediate-event-catch-non-interrupting-timer:before { content: '\e80c'; } /* '' */
+.bpmn-icon-intermediate-event-catch-parallel-multiple:before { content: '\e80d'; } /* '' */
+.bpmn-icon-intermediate-event-catch-compensation:before { content: '\e80e'; } /* '' */
+.bpmn-icon-gateway-xor:before { content: '\e80f'; } /* '' */
+.bpmn-icon-end-event-cancel:before { content: '\e811'; } /* '' */
+.bpmn-icon-intermediate-event-catch-condition:before { content: '\e812'; } /* '' */
+.bpmn-icon-intermediate-event-catch-non-interrupting-parallel-multiple:before { content: '\e813'; } /* '' */
+.bpmn-icon-start-event-condition:before { content: '\e814'; } /* '' */
+.bpmn-icon-start-event-non-interrupting-timer:before { content: '\e815'; } /* '' */
+.bpmn-icon-sequential-mi-marker:before { content: '\e816'; } /* '' */
+.bpmn-icon-user-task:before { content: '\e817'; } /* '' */
+.bpmn-icon-business-rule:before { content: '\e818'; } /* '' */
+.bpmn-icon-sub-process-marker:before { content: '\e819'; } /* '' */
+.bpmn-icon-start-event-parallel-multiple:before { content: '\e81a'; } /* '' */
+.bpmn-icon-start-event-error:before { content: '\e81b'; } /* '' */
+.bpmn-icon-intermediate-event-catch-signal:before { content: '\e81c'; } /* '' */
+.bpmn-icon-intermediate-event-catch-error:before { content: '\e81d'; } /* '' */
+.bpmn-icon-end-event-compensation:before { content: '\e81e'; } /* '' */
+.bpmn-icon-subprocess-collapsed:before { content: '\e81f'; } /* '' */
+.bpmn-icon-subprocess-expanded:before { content: '\e820'; } /* '' */
+.bpmn-icon-task:before { content: '\e821'; } /* '' */
+.bpmn-icon-end-event-error:before { content: '\e822'; } /* '' */
+.bpmn-icon-intermediate-event-catch-escalation:before { content: '\e823'; } /* '' */
+.bpmn-icon-intermediate-event-catch-timer:before { content: '\e824'; } /* '' */
+.bpmn-icon-start-event-escalation:before { content: '\e825'; } /* '' */
+.bpmn-icon-start-event-signal:before { content: '\e826'; } /* '' */
+.bpmn-icon-business-rule-task:before { content: '\e827'; } /* '' */
+.bpmn-icon-manual:before { content: '\e828'; } /* '' */
+.bpmn-icon-receive:before { content: '\e829'; } /* '' */
+.bpmn-icon-call-activity:before { content: '\e82a'; } /* '' */
+.bpmn-icon-start-event-timer:before { content: '\e82b'; } /* '' */
+.bpmn-icon-start-event-message:before { content: '\e82c'; } /* '' */
+.bpmn-icon-intermediate-event-none:before { content: '\e82d'; } /* '' */
+.bpmn-icon-intermediate-event-catch-link:before { content: '\e82e'; } /* '' */
+.bpmn-icon-end-event-escalation:before { content: '\e82f'; } /* '' */
+.bpmn-icon-bpmn-io:before { content: '\e831'; } /* '' */
+.bpmn-icon-gateway-complex:before { content: '\e832'; } /* '' */
+.bpmn-icon-gateway-eventbased:before { content: '\e833'; } /* '' */
+.bpmn-icon-gateway-none:before { content: '\e834'; } /* '' */
+.bpmn-icon-gateway-or:before { content: '\e835'; } /* '' */
+.bpmn-icon-end-event-terminate:before { content: '\e836'; } /* '' */
+.bpmn-icon-end-event-signal:before { content: '\e837'; } /* '' */
+.bpmn-icon-end-event-none:before { content: '\e838'; } /* '' */
+.bpmn-icon-end-event-multiple:before { content: '\e839'; } /* '' */
+.bpmn-icon-end-event-message:before { content: '\e83a'; } /* '' */
+.bpmn-icon-end-event-link:before { content: '\e83b'; } /* '' */
+.bpmn-icon-intermediate-event-catch-message:before { content: '\e83c'; } /* '' */
+.bpmn-icon-intermediate-event-throw-compensation:before { content: '\e83d'; } /* '' */
+.bpmn-icon-start-event-multiple:before { content: '\e83e'; } /* '' */
+.bpmn-icon-script:before { content: '\e83f'; } /* '' */
+.bpmn-icon-manual-task:before { content: '\e840'; } /* '' */
+.bpmn-icon-send:before { content: '\e841'; } /* '' */
+.bpmn-icon-service:before { content: '\e842'; } /* '' */
+.bpmn-icon-receive-task:before { content: '\e843'; } /* '' */
+.bpmn-icon-user:before { content: '\e844'; } /* '' */
+.bpmn-icon-start-event-none:before { content: '\e845'; } /* '' */
+.bpmn-icon-intermediate-event-throw-escalation:before { content: '\e846'; } /* '' */
+.bpmn-icon-intermediate-event-catch-multiple:before { content: '\e847'; } /* '' */
+.bpmn-icon-intermediate-event-catch-non-interrupting-escalation:before { content: '\e848'; } /* '' */
+.bpmn-icon-intermediate-event-throw-link:before { content: '\e849'; } /* '' */
+.bpmn-icon-start-event-non-interrupting-condition:before { content: '\e84a'; } /* '' */
+.bpmn-icon-data-object:before { content: '\e84b'; } /* '' */
+.bpmn-icon-script-task:before { content: '\e84c'; } /* '' */
+.bpmn-icon-send-task:before { content: '\e84d'; } /* '' */
+.bpmn-icon-data-store:before { content: '\e84e'; } /* '' */
+.bpmn-icon-start-event-non-interrupting-escalation:before { content: '\e84f'; } /* '' */
+.bpmn-icon-intermediate-event-throw-message:before { content: '\e850'; } /* '' */
+.bpmn-icon-intermediate-event-catch-non-interrupting-multiple:before { content: '\e851'; } /* '' */
+.bpmn-icon-intermediate-event-catch-non-interrupting-signal:before { content: '\e852'; } /* '' */
+.bpmn-icon-intermediate-event-throw-multiple:before { content: '\e853'; } /* '' */
+.bpmn-icon-start-event-non-interrupting-message:before { content: '\e854'; } /* '' */
+.bpmn-icon-ad-hoc-marker:before { content: '\e855'; } /* '' */
+.bpmn-icon-service-task:before { content: '\e856'; } /* '' */
+.bpmn-icon-task-none:before { content: '\e857'; } /* '' */
+.bpmn-icon-compensation-marker:before { content: '\e858'; } /* '' */
+.bpmn-icon-start-event-non-interrupting-multiple:before { content: '\e859'; } /* '' */
+.bpmn-icon-intermediate-event-throw-signal:before { content: '\e85a'; } /* '' */
+.bpmn-icon-intermediate-event-catch-non-interrupting-condition:before { content: '\e85b'; } /* '' */
+.bpmn-icon-participant:before { content: '\e85c'; } /* '' */
+.bpmn-icon-event-subprocess-expanded:before { content: '\e85d'; } /* '' */
+.bpmn-icon-lane-insert-below:before { content: '\e85e'; } /* '' */
+.bpmn-icon-space-tool:before { content: '\e85f'; } /* '' */
+.bpmn-icon-connection-multi:before { content: '\e860'; } /* '' */
+.bpmn-icon-lane:before { content: '\e861'; } /* '' */
+.bpmn-icon-lasso-tool:before { content: '\e862'; } /* '' */
+.bpmn-icon-lane-insert-above:before { content: '\e863'; } /* '' */
+.bpmn-icon-lane-divide-three:before { content: '\e864'; } /* '' */
+.bpmn-icon-lane-divide-two:before { content: '\e865'; } /* '' */
+.bpmn-icon-data-input:before { content: '\e866'; } /* '' */
+.bpmn-icon-data-output:before { content: '\e867'; } /* '' */
+.bpmn-icon-hand-tool:before { content: '\e868'; } /* '' */
+.bpmn-icon-group:before { content: '\e869'; } /* '' */
+.bpmn-icon-text-annotation:before { content: '\e86b'; } /* '' */
+.bpmn-icon-transaction:before { content: '\e8c4'; } /* '' */
+.bpmn-icon-screw-wrench:before { content: '\e8db'; } /* '' */
+.bpmn-icon-connection:before { content: '\e8dc'; } /* '' */
+.bpmn-icon-conditional-flow:before { content: '\e8e0'; } /* '' */
+.bpmn-icon-default-flow:before { content: '\e8e1'; } /* '' */
--- a/server/src/main/resources/static/bpmn/css/bpmn-codes.css
+++ b/server/src/main/resources/static/bpmn/css/bpmn-codes.css
@ -0,0 +1,108 @@
+
+.bpmn-icon-trash:before { content: '\e801'; } /* '' */
+.bpmn-icon-gateway-parallel:before { content: '\e804'; } /* '' */
+.bpmn-icon-intermediate-event-catch-cancel:before { content: '\e805'; } /* '' */
+.bpmn-icon-intermediate-event-catch-non-interrupting-message:before { content: '\e806'; } /* '' */
+.bpmn-icon-start-event-compensation:before { content: '\e807'; } /* '' */
+.bpmn-icon-start-event-non-interrupting-parallel-multiple:before { content: '\e808'; } /* '' */
+.bpmn-icon-loop-marker:before { content: '\e809'; } /* '' */
+.bpmn-icon-parallel-mi-marker:before { content: '\e80a'; } /* '' */
+.bpmn-icon-start-event-non-interrupting-signal:before { content: '\e80b'; } /* '' */
+.bpmn-icon-intermediate-event-catch-non-interrupting-timer:before { content: '\e80c'; } /* '' */
+.bpmn-icon-intermediate-event-catch-parallel-multiple:before { content: '\e80d'; } /* '' */
+.bpmn-icon-intermediate-event-catch-compensation:before { content: '\e80e'; } /* '' */
+.bpmn-icon-gateway-xor:before { content: '\e80f'; } /* '' */
+.bpmn-icon-end-event-cancel:before { content: '\e811'; } /* '' */
+.bpmn-icon-intermediate-event-catch-condition:before { content: '\e812'; } /* '' */
+.bpmn-icon-intermediate-event-catch-non-interrupting-parallel-multiple:before { content: '\e813'; } /* '' */
+.bpmn-icon-start-event-condition:before { content: '\e814'; } /* '' */
+.bpmn-icon-start-event-non-interrupting-timer:before { content: '\e815'; } /* '' */
+.bpmn-icon-sequential-mi-marker:before { content: '\e816'; } /* '' */
+.bpmn-icon-user-task:before { content: '\e817'; } /* '' */
+.bpmn-icon-business-rule:before { content: '\e818'; } /* '' */
+.bpmn-icon-sub-process-marker:before { content: '\e819'; } /* '' */
+.bpmn-icon-start-event-parallel-multiple:before { content: '\e81a'; } /* '' */
+.bpmn-icon-start-event-error:before { content: '\e81b'; } /* '' */
+.bpmn-icon-intermediate-event-catch-signal:before { content: '\e81c'; } /* '' */
+.bpmn-icon-intermediate-event-catch-error:before { content: '\e81d'; } /* '' */
+.bpmn-icon-end-event-compensation:before { content: '\e81e'; } /* '' */
+.bpmn-icon-subprocess-collapsed:before { content: '\e81f'; } /* '' */
+.bpmn-icon-subprocess-expanded:before { content: '\e820'; } /* '' */
+.bpmn-icon-task:before { content: '\e821'; } /* '' */
+.bpmn-icon-end-event-error:before { content: '\e822'; } /* '' */
+.bpmn-icon-intermediate-event-catch-escalation:before { content: '\e823'; } /* '' */
+.bpmn-icon-intermediate-event-catch-timer:before { content: '\e824'; } /* '' */
+.bpmn-icon-start-event-escalation:before { content: '\e825'; } /* '' */
+.bpmn-icon-start-event-signal:before { content: '\e826'; } /* '' */
+.bpmn-icon-business-rule-task:before { content: '\e827'; } /* '' */
+.bpmn-icon-manual:before { content: '\e828'; } /* '' */
+.bpmn-icon-receive:before { content: '\e829'; } /* '' */
+.bpmn-icon-call-activity:before { content: '\e82a'; } /* '' */
+.bpmn-icon-start-event-timer:before { content: '\e82b'; } /* '' */
+.bpmn-icon-start-event-message:before { content: '\e82c'; } /* '' */
+.bpmn-icon-intermediate-event-none:before { content: '\e82d'; } /* '' */
+.bpmn-icon-intermediate-event-catch-link:before { content: '\e82e'; } /* '' */
+.bpmn-icon-end-event-escalation:before { content: '\e82f'; } /* '' */
+.bpmn-icon-bpmn-io:before { content: '\e831'; } /* '' */
+.bpmn-icon-gateway-complex:before { content: '\e832'; } /* '' */
+.bpmn-icon-gateway-eventbased:before { content: '\e833'; } /* '' */
+.bpmn-icon-gateway-none:before { content: '\e834'; } /* '' */
+.bpmn-icon-gateway-or:before { content: '\e835'; } /* '' */
+.bpmn-icon-end-event-terminate:before { content: '\e836'; } /* '' */
+.bpmn-icon-end-event-signal:before { content: '\e837'; } /* '' */
+.bpmn-icon-end-event-none:before { content: '\e838'; } /* '' */
+.bpmn-icon-end-event-multiple:before { content: '\e839'; } /* '' */
+.bpmn-icon-end-event-message:before { content: '\e83a'; } /* '' */
+.bpmn-icon-end-event-link:before { content: '\e83b'; } /* '' */
+.bpmn-icon-intermediate-event-catch-message:before { content: '\e83c'; } /* '' */
+.bpmn-icon-intermediate-event-throw-compensation:before { content: '\e83d'; } /* '' */
+.bpmn-icon-start-event-multiple:before { content: '\e83e'; } /* '' */
+.bpmn-icon-script:before { content: '\e83f'; } /* '' */
+.bpmn-icon-manual-task:before { content: '\e840'; } /* '' */
+.bpmn-icon-send:before { content: '\e841'; } /* '' */
+.bpmn-icon-service:before { content: '\e842'; } /* '' */
+.bpmn-icon-receive-task:before { content: '\e843'; } /* '' */
+.bpmn-icon-user:before { content: '\e844'; } /* '' */
+.bpmn-icon-start-event-none:before { content: '\e845'; } /* '' */
+.bpmn-icon-intermediate-event-throw-escalation:before { content: '\e846'; } /* '' */
+.bpmn-icon-intermediate-event-catch-multiple:before { content: '\e847'; } /* '' */
+.bpmn-icon-intermediate-event-catch-non-interrupting-escalation:before { content: '\e848'; } /* '' */
+.bpmn-icon-intermediate-event-throw-link:before { content: '\e849'; } /* '' */
+.bpmn-icon-start-event-non-interrupting-condition:before { content: '\e84a'; } /* '' */
+.bpmn-icon-data-object:before { content: '\e84b'; } /* '' */
+.bpmn-icon-script-task:before { content: '\e84c'; } /* '' */
+.bpmn-icon-send-task:before { content: '\e84d'; } /* '' */
+.bpmn-icon-data-store:before { content: '\e84e'; } /* '' */
+.bpmn-icon-start-event-non-interrupting-escalation:before { content: '\e84f'; } /* '' */
+.bpmn-icon-intermediate-event-throw-message:before { content: '\e850'; } /* '' */
+.bpmn-icon-intermediate-event-catch-non-interrupting-multiple:before { content: '\e851'; } /* '' */
+.bpmn-icon-intermediate-event-catch-non-interrupting-signal:before { content: '\e852'; } /* '' */
+.bpmn-icon-intermediate-event-throw-multiple:before { content: '\e853'; } /* '' */
+.bpmn-icon-start-event-non-interrupting-message:before { content: '\e854'; } /* '' */
+.bpmn-icon-ad-hoc-marker:before { content: '\e855'; } /* '' */
+.bpmn-icon-service-task:before { content: '\e856'; } /* '' */
+.bpmn-icon-task-none:before { content: '\e857'; } /* '' */
+.bpmn-icon-compensation-marker:before { content: '\e858'; } /* '' */
+.bpmn-icon-start-event-non-interrupting-multiple:before { content: '\e859'; } /* '' */
+.bpmn-icon-intermediate-event-throw-signal:before { content: '\e85a'; } /* '' */
+.bpmn-icon-intermediate-event-catch-non-interrupting-condition:before { content: '\e85b'; } /* '' */
+.bpmn-icon-participant:before { content: '\e85c'; } /* '' */
+.bpmn-icon-event-subprocess-expanded:before { content: '\e85d'; } /* '' */
+.bpmn-icon-lane-insert-below:before { content: '\e85e'; } /* '' */
+.bpmn-icon-space-tool:before { content: '\e85f'; } /* '' */
+.bpmn-icon-connection-multi:before { content: '\e860'; } /* '' */
+.bpmn-icon-lane:before { content: '\e861'; } /* '' */
+.bpmn-icon-lasso-tool:before { content: '\e862'; } /* '' */
+.bpmn-icon-lane-insert-above:before { content: '\e863'; } /* '' */
+.bpmn-icon-lane-divide-three:before { content: '\e864'; } /* '' */
+.bpmn-icon-lane-divide-two:before { content: '\e865'; } /* '' */
+.bpmn-icon-data-input:before { content: '\e866'; } /* '' */
+.bpmn-icon-data-output:before { content: '\e867'; } /* '' */
+.bpmn-icon-hand-tool:before { content: '\e868'; } /* '' */
+.bpmn-icon-group:before { content: '\e869'; } /* '' */
+.bpmn-icon-text-annotation:before { content: '\e86b'; } /* '' */
+.bpmn-icon-transaction:before { content: '\e8c4'; } /* '' */
+.bpmn-icon-screw-wrench:before { content: '\e8db'; } /* '' */
+.bpmn-icon-connection:before { content: '\e8dc'; } /* '' */
+.bpmn-icon-conditional-flow:before { content: '\e8e0'; } /* '' */
+.bpmn-icon-default-flow:before { content: '\e8e1'; } /* '' */
--- a/server/src/main/resources/static/bpmn/css/bpmn-embedded.css
+++ b/server/src/main/resources/static/bpmn/css/bpmn-embedded.css
--- a/server/src/main/resources/static/bpmn/css/bpmn.css
+++ b/server/src/main/resources/static/bpmn/css/bpmn.css
@ -0,0 +1,163 @@
+@font-face {
+  font-family: 'bpmn';
+  src: url('../font/bpmn.eot?21877404');
+  src: url('../font/bpmn.eot?21877404#iefix') format('embedded-opentype'),
+       url('../font/bpmn.woff2?21877404') format('woff2'),
+       url('../font/bpmn.woff?21877404') format('woff'),
+       url('../font/bpmn.ttf?21877404') format('truetype'),
+       url('../font/bpmn.svg?21877404#bpmn') format('svg');
+  font-weight: normal;
+  font-style: normal;
+}
+/* Chrome hack: SVG is rendered more smooth in Windozze. 100% magic, uncomment if you need it. */
+/* Note, that will break hinting! In other OS-es font will be not as sharp as it could be */
+/*
+@media screen and (-webkit-min-device-pixel-ratio:0) {
+  @font-face {
+    font-family: 'bpmn';
+    src: url('../font/bpmn.svg?21877404#bpmn') format('svg');
+  }
+}
+*/
+[class^="bpmn-icon-"]:before, [class*=" bpmn-icon-"]:before {
+  font-family: "bpmn";
+  font-style: normal;
+  font-weight: normal;
+  speak: never;
+
+  display: inline-block;
+  text-decoration: inherit;
+  width: 1em;
+  /* margin-right: .2em; */
+  text-align: center;
+  /* opacity: .8; */
+
+  /* For safety - reset parent styles, that can break glyph codes*/
+  font-variant: normal;
+  text-transform: none;
+
+  /* fix buttons height, for twitter bootstrap */
+  line-height: 1em;
+
+  /* Animation center compensation - margins should be symmetric */
+  /* remove if not needed */
+  /* margin-left: .2em; */
+
+  /* you can be more comfortable with increased icons size */
+  /* font-size: 120%; */
+
+  /* Font smoothing. That was taken from TWBS */
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+
+  /* Uncomment for 3D effect */
+  /* text-shadow: 1px 1px 1px rgba(127, 127, 127, 0.3); */
+}
+
+.bpmn-icon-trash:before { content: '\e801'; } /* '' */
+.bpmn-icon-gateway-parallel:before { content: '\e804'; } /* '' */
+.bpmn-icon-intermediate-event-catch-cancel:before { content: '\e805'; } /* '' */
+.bpmn-icon-intermediate-event-catch-non-interrupting-message:before { content: '\e806'; } /* '' */
+.bpmn-icon-start-event-compensation:before { content: '\e807'; } /* '' */
+.bpmn-icon-start-event-non-interrupting-parallel-multiple:before { content: '\e808'; } /* '' */
+.bpmn-icon-loop-marker:before { content: '\e809'; } /* '' */
+.bpmn-icon-parallel-mi-marker:before { content: '\e80a'; } /* '' */
+.bpmn-icon-start-event-non-interrupting-signal:before { content: '\e80b'; } /* '' */
+.bpmn-icon-intermediate-event-catch-non-interrupting-timer:before { content: '\e80c'; } /* '' */
+.bpmn-icon-intermediate-event-catch-parallel-multiple:before { content: '\e80d'; } /* '' */
+.bpmn-icon-intermediate-event-catch-compensation:before { content: '\e80e'; } /* '' */
+.bpmn-icon-gateway-xor:before { content: '\e80f'; } /* '' */
+.bpmn-icon-end-event-cancel:before { content: '\e811'; } /* '' */
+.bpmn-icon-intermediate-event-catch-condition:before { content: '\e812'; } /* '' */
+.bpmn-icon-intermediate-event-catch-non-interrupting-parallel-multiple:before { content: '\e813'; } /* '' */
+.bpmn-icon-start-event-condition:before { content: '\e814'; } /* '' */
+.bpmn-icon-start-event-non-interrupting-timer:before { content: '\e815'; } /* '' */
+.bpmn-icon-sequential-mi-marker:before { content: '\e816'; } /* '' */
+.bpmn-icon-user-task:before { content: '\e817'; } /* '' */
+.bpmn-icon-business-rule:before { content: '\e818'; } /* '' */
+.bpmn-icon-sub-process-marker:before { content: '\e819'; } /* '' */
+.bpmn-icon-start-event-parallel-multiple:before { content: '\e81a'; } /* '' */
+.bpmn-icon-start-event-error:before { content: '\e81b'; } /* '' */
+.bpmn-icon-intermediate-event-catch-signal:before { content: '\e81c'; } /* '' */
+.bpmn-icon-intermediate-event-catch-error:before { content: '\e81d'; } /* '' */
+.bpmn-icon-end-event-compensation:before { content: '\e81e'; } /* '' */
+.bpmn-icon-subprocess-collapsed:before { content: '\e81f'; } /* '' */
+.bpmn-icon-subprocess-expanded:before { content: '\e820'; } /* '' */
+.bpmn-icon-task:before { content: '\e821'; } /* '' */
+.bpmn-icon-end-event-error:before { content: '\e822'; } /* '' */
+.bpmn-icon-intermediate-event-catch-escalation:before { content: '\e823'; } /* '' */
+.bpmn-icon-intermediate-event-catch-timer:before { content: '\e824'; } /* '' */
+.bpmn-icon-start-event-escalation:before { content: '\e825'; } /* '' */
+.bpmn-icon-start-event-signal:before { content: '\e826'; } /* '' */
+.bpmn-icon-business-rule-task:before { content: '\e827'; } /* '' */
+.bpmn-icon-manual:before { content: '\e828'; } /* '' */
+.bpmn-icon-receive:before { content: '\e829'; } /* '' */
+.bpmn-icon-call-activity:before { content: '\e82a'; } /* '' */
+.bpmn-icon-start-event-timer:before { content: '\e82b'; } /* '' */
+.bpmn-icon-start-event-message:before { content: '\e82c'; } /* '' */
+.bpmn-icon-intermediate-event-none:before { content: '\e82d'; } /* '' */
+.bpmn-icon-intermediate-event-catch-link:before { content: '\e82e'; } /* '' */
+.bpmn-icon-end-event-escalation:before { content: '\e82f'; } /* '' */
+.bpmn-icon-bpmn-io:before { content: '\e831'; } /* '' */
+.bpmn-icon-gateway-complex:before { content: '\e832'; } /* '' */
+.bpmn-icon-gateway-eventbased:before { content: '\e833'; } /* '' */
+.bpmn-icon-gateway-none:before { content: '\e834'; } /* '' */
+.bpmn-icon-gateway-or:before { content: '\e835'; } /* '' */
+.bpmn-icon-end-event-terminate:before { content: '\e836'; } /* '' */
+.bpmn-icon-end-event-signal:before { content: '\e837'; } /* '' */
+.bpmn-icon-end-event-none:before { content: '\e838'; } /* '' */
+.bpmn-icon-end-event-multiple:before { content: '\e839'; } /* '' */
+.bpmn-icon-end-event-message:before { content: '\e83a'; } /* '' */
+.bpmn-icon-end-event-link:before { content: '\e83b'; } /* '' */
+.bpmn-icon-intermediate-event-catch-message:before { content: '\e83c'; } /* '' */
+.bpmn-icon-intermediate-event-throw-compensation:before { content: '\e83d'; } /* '' */
+.bpmn-icon-start-event-multiple:before { content: '\e83e'; } /* '' */
+.bpmn-icon-script:before { content: '\e83f'; } /* '' */
+.bpmn-icon-manual-task:before { content: '\e840'; } /* '' */
+.bpmn-icon-send:before { content: '\e841'; } /* '' */
+.bpmn-icon-service:before { content: '\e842'; } /* '' */
+.bpmn-icon-receive-task:before { content: '\e843'; } /* '' */
+.bpmn-icon-user:before { content: '\e844'; } /* '' */
+.bpmn-icon-start-event-none:before { content: '\e845'; } /* '' */
+.bpmn-icon-intermediate-event-throw-escalation:before { content: '\e846'; } /* '' */
+.bpmn-icon-intermediate-event-catch-multiple:before { content: '\e847'; } /* '' */
+.bpmn-icon-intermediate-event-catch-non-interrupting-escalation:before { content: '\e848'; } /* '' */
+.bpmn-icon-intermediate-event-throw-link:before { content: '\e849'; } /* '' */
+.bpmn-icon-start-event-non-interrupting-condition:before { content: '\e84a'; } /* '' */
+.bpmn-icon-data-object:before { content: '\e84b'; } /* '' */
+.bpmn-icon-script-task:before { content: '\e84c'; } /* '' */
+.bpmn-icon-send-task:before { content: '\e84d'; } /* '' */
+.bpmn-icon-data-store:before { content: '\e84e'; } /* '' */
+.bpmn-icon-start-event-non-interrupting-escalation:before { content: '\e84f'; } /* '' */
+.bpmn-icon-intermediate-event-throw-message:before { content: '\e850'; } /* '' */
+.bpmn-icon-intermediate-event-catch-non-interrupting-multiple:before { content: '\e851'; } /* '' */
+.bpmn-icon-intermediate-event-catch-non-interrupting-signal:before { content: '\e852'; } /* '' */
+.bpmn-icon-intermediate-event-throw-multiple:before { content: '\e853'; } /* '' */
+.bpmn-icon-start-event-non-interrupting-message:before { content: '\e854'; } /* '' */
+.bpmn-icon-ad-hoc-marker:before { content: '\e855'; } /* '' */
+.bpmn-icon-service-task:before { content: '\e856'; } /* '' */
+.bpmn-icon-task-none:before { content: '\e857'; } /* '' */
+.bpmn-icon-compensation-marker:before { content: '\e858'; } /* '' */
+.bpmn-icon-start-event-non-interrupting-multiple:before { content: '\e859'; } /* '' */
+.bpmn-icon-intermediate-event-throw-signal:before { content: '\e85a'; } /* '' */
+.bpmn-icon-intermediate-event-catch-non-interrupting-condition:before { content: '\e85b'; } /* '' */
+.bpmn-icon-participant:before { content: '\e85c'; } /* '' */
+.bpmn-icon-event-subprocess-expanded:before { content: '\e85d'; } /* '' */
+.bpmn-icon-lane-insert-below:before { content: '\e85e'; } /* '' */
+.bpmn-icon-space-tool:before { content: '\e85f'; } /* '' */
+.bpmn-icon-connection-multi:before { content: '\e860'; } /* '' */
+.bpmn-icon-lane:before { content: '\e861'; } /* '' */
+.bpmn-icon-lasso-tool:before { content: '\e862'; } /* '' */
+.bpmn-icon-lane-insert-above:before { content: '\e863'; } /* '' */
+.bpmn-icon-lane-divide-three:before { content: '\e864'; } /* '' */
+.bpmn-icon-lane-divide-two:before { content: '\e865'; } /* '' */
+.bpmn-icon-data-input:before { content: '\e866'; } /* '' */
+.bpmn-icon-data-output:before { content: '\e867'; } /* '' */
+.bpmn-icon-hand-tool:before { content: '\e868'; } /* '' */
+.bpmn-icon-group:before { content: '\e869'; } /* '' */
+.bpmn-icon-text-annotation:before { content: '\e86b'; } /* '' */
+.bpmn-icon-transaction:before { content: '\e8c4'; } /* '' */
+.bpmn-icon-screw-wrench:before { content: '\e8db'; } /* '' */
+.bpmn-icon-connection:before { content: '\e8dc'; } /* '' */
+.bpmn-icon-conditional-flow:before { content: '\e8e0'; } /* '' */
+.bpmn-icon-default-flow:before { content: '\e8e1'; } /* '' */
--- a/server/src/main/resources/static/bpmn/diagram-js.css
+++ b/server/src/main/resources/static/bpmn/diagram-js.css
@ -0,0 +1,986 @@
+/**
+ * color definitions
+ */
+.djs-parent {
+    --color-grey-225-10-15: hsl(225, 10%, 15%);
+    --color-grey-225-10-35: hsl(225, 10%, 35%);
+    --color-grey-225-10-55: hsl(225, 10%, 55%);
+    --color-grey-225-10-75: hsl(225, 10%, 75%);
+    --color-grey-225-10-80: hsl(225, 10%, 80%);
+    --color-grey-225-10-85: hsl(225, 10%, 85%);
+    --color-grey-225-10-90: hsl(225, 10%, 90%);
+    --color-grey-225-10-95: hsl(225, 10%, 95%);
+    --color-grey-225-10-97: hsl(225, 10%, 97%);
+
+    --color-blue-205-100-45: hsl(205, 100%, 45%);
+    --color-blue-205-100-45-opacity-30: hsla(205, 100%, 45%, 30%);
+    --color-blue-205-100-50: hsl(205, 100%, 50%);
+    --color-blue-205-100-50-opacity-15: hsla(205, 100%, 50%, 15%);
+    --color-blue-205-100-70: hsl(205, 100%, 75%);
+    --color-blue-205-100-95: hsl(205, 100%, 95%);
+
+    --color-green-150-86-44: hsl(150, 86%, 44%);
+
+    --color-red-360-100-40: hsl(360, 100%, 40%);
+    --color-red-360-100-45: hsl(360, 100%, 45%);
+    --color-red-360-100-92: hsl(360, 100%, 92%);
+    --color-red-360-100-97: hsl(360, 100%, 97%);
+
+    --color-white: hsl(0, 0%, 100%);
+    --color-black: hsl(0, 0%, 0%);
+    --color-black-opacity-10: hsla(0, 0%, 0%, 10%);
+    --color-black-opacity-30: hsla(0, 0%, 0%, 30%);
+
+    --canvas-fill-color: var(--color-white);
+
+    --bendpoint-fill-color: var(--color-blue-205-100-45);
+    --bendpoint-stroke-color: var(--canvas-fill-color);
+
+    --context-pad-entry-background-color: var(--color-white);
+    --context-pad-entry-hover-background-color: var(--color-grey-225-10-95);
+
+    --element-dragger-color: var(--color-blue-205-100-50);
+    --element-hover-outline-fill-color: var(--color-blue-205-100-45);
+    --element-selected-outline-stroke-color: var(--color-blue-205-100-50);
+    --element-selected-outline-secondary-stroke-color: var(--color-blue-205-100-70);
+
+    --lasso-fill-color: var(--color-blue-205-100-50-opacity-15);
+    --lasso-stroke-color: var(--element-selected-outline-stroke-color);
+
+    --palette-entry-color: var(--color-grey-225-10-15);
+    --palette-entry-hover-color: var(--color-blue-205-100-45);
+    --palette-entry-selected-color: var(--color-blue-205-100-50);
+    --palette-separator-color: var(--color-grey-225-10-75);
+    --palette-toggle-hover-background-color: var(--color-grey-225-10-55);
+    --palette-background-color: var(--color-grey-225-10-97);
+    --palette-border-color: var(--color-grey-225-10-75);
+
+    --popup-font-size: 14px;
+    --popup-header-entry-selected-color: var(--color-blue-205-100-50);
+    --popup-header-font-weight: bolder;
+    --popup-background-color: var(--color-white);
+    --popup-border-color: transparent;
+    --popup-shadow-color: var(--color-black-opacity-30);
+    --popup-description-color: var(--color-grey-225-10-55);
+    --popup-no-results-color: var(--color-grey-225-10-55);
+    --popup-entry-title-color: var(--color-grey-225-10-55);
+    --popup-entry-hover-color:  var(--color-grey-225-10-95);
+    --popup-search-border-color: var(--color-grey-225-10-75);
+    --popup-search-focus-border-color: var(--color-blue-205-100-50);
+    --popup-search-focus-background-color: var(--color-blue-205-100-95);
+
+    --resizer-fill-color: var(--color-blue-205-100-45);
+    --resizer-stroke-color: var(--canvas-fill-color);
+
+    --search-container-background-color: var(--color-grey-225-10-97);
+    --search-container-border-color: var(--color-blue-205-100-50);
+    --search-container-box-shadow-color: var(--color-blue-205-100-95);
+    --search-container-box-shadow-inset-color: var(--color-grey-225-10-80);
+    --search-input-border-color: var(--color-grey-225-10-75);
+    --search-result-border-color: var(--color-grey-225-10-75);
+    --search-result-highlight-color: var(--color-black);
+    --search-result-selected-color: var(--color-blue-205-100-45-opacity-30);
+
+    --shape-attach-allowed-stroke-color: var(--color-blue-205-100-50);
+    --shape-connect-allowed-fill-color: var(--color-grey-225-10-97);
+    --shape-drop-allowed-fill-color: var(--color-grey-225-10-97);
+    --shape-drop-not-allowed-fill-color: var(--color-red-360-100-97);
+    --shape-resize-preview-stroke-color: var(--color-blue-205-100-50);
+
+    --snap-line-stroke-color: var(--color-blue-205-100-45-opacity-30);
+
+    --space-tool-crosshair-stroke-color: var(--color-black);
+
+    --tooltip-error-background-color: var(--color-red-360-100-97);
+    --tooltip-error-border-color: var(--color-red-360-100-45);
+    --tooltip-error-color: var(--color-red-360-100-45);
+}
+
+/**
+ * outline styles
+ */
+
+.djs-outline,
+.djs-selection-outline {
+    fill: none;
+    shape-rendering: geometricPrecision;
+    stroke-width: 2px;
+}
+
+.djs-outline {
+    visibility: hidden;
+}
+
+.djs-selection-outline {
+    stroke: var(--element-selected-outline-stroke-color);
+}
+
+.djs-element.selected .djs-outline {
+    visibility: visible;
+
+    stroke: var(--element-selected-outline-stroke-color);
+}
+
+.djs-multi-select .djs-element.selected .djs-outline {
+    stroke: var(--element-selected-outline-secondary-stroke-color);
+}
+
+.djs-shape.connect-ok .djs-visual > :nth-child(1) {
+    fill: var(--shape-connect-allowed-fill-color) !important;
+}
+
+.djs-shape.connect-not-ok .djs-visual > :nth-child(1),
+.djs-shape.drop-not-ok .djs-visual > :nth-child(1) {
+    fill: var(--shape-drop-not-allowed-fill-color) !important;
+}
+
+.djs-shape.new-parent .djs-visual > :nth-child(1) {
+    fill: var(--shape-drop-allowed-fill-color) !important;
+}
+
+svg.drop-not-ok {
+    background: var(--shape-drop-not-allowed-fill-color) !important;
+}
+
+svg.new-parent {
+    background: var(--shape-drop-allowed-fill-color) !important;
+}
+
+
+/* Override move cursor during drop and connect */
+.drop-not-ok,
+.connect-not-ok,
+.drop-not-ok *,
+.connect-not-ok * {
+    cursor: not-allowed !important;
+}
+
+.drop-ok,
+.connect-ok,
+.drop-ok *,
+.connect-ok * {
+    cursor: default !important;
+}
+
+.djs-element.attach-ok .djs-visual > :nth-child(1) {
+    stroke-width: 5px !important;
+    stroke: var(--shape-attach-allowed-stroke-color) !important;
+}
+
+.djs-frame.connect-not-ok .djs-visual > :nth-child(1),
+.djs-frame.drop-not-ok .djs-visual > :nth-child(1) {
+    stroke-width: 3px !important;
+    stroke: var(--shape-drop-not-allowed-fill-color) !important;
+    fill: none !important;
+}
+
+/**
+* Selection box style
+*
+*/
+.djs-lasso-overlay {
+    fill: var(--lasso-fill-color);
+    stroke: var(--lasso-stroke-color);
+    stroke-width: 2px;
+    shape-rendering: geometricPrecision;
+    pointer-events: none;
+}
+
+/**
+ * Resize styles
+ */
+.djs-resize-overlay {
+    fill: none;
+
+    stroke-dasharray: 5 1 3 1;
+    stroke: var(--shape-resize-preview-stroke-color);
+
+    pointer-events: none;
+}
+
+.djs-resizer-hit {
+    fill: none;
+    pointer-events: all;
+}
+
+.djs-resizer-visual {
+    fill: var(--resizer-fill-color);
+    stroke-width: 1px;
+    stroke: var(--resizer-stroke-color);
+    shape-rendering: geometricPrecision;
+}
+
+.djs-resizer:hover .djs-resizer-visual {
+    stroke: var(--resizer-stroke-color);
+    stroke-opacity: 1;
+}
+
+.djs-cursor-resize-ns,
+.djs-resizer-n,
+.djs-resizer-s {
+    cursor: ns-resize;
+}
+
+.djs-cursor-resize-ew,
+.djs-resizer-e,
+.djs-resizer-w {
+    cursor: ew-resize;
+}
+
+.djs-cursor-resize-nwse,
+.djs-resizer-nw,
+.djs-resizer-se {
+    cursor: nwse-resize;
+}
+
+.djs-cursor-resize-nesw,
+.djs-resizer-ne,
+.djs-resizer-sw {
+    cursor: nesw-resize;
+}
+
+.djs-shape.djs-resizing > .djs-outline {
+    visibility: hidden !important;
+}
+
+.djs-shape.djs-resizing > .djs-resizer {
+    visibility: hidden;
+}
+
+.djs-dragger > .djs-resizer {
+    visibility: hidden;
+}
+
+/**
+ * drag styles
+ */
+.djs-dragger * {
+    fill: none !important;
+    stroke: var(--element-dragger-color) !important;
+}
+
+.djs-dragger tspan,
+.djs-dragger text {
+    fill: var(--element-dragger-color) !important;
+    stroke: none !important;
+}
+
+marker.djs-dragger circle,
+marker.djs-dragger path,
+marker.djs-dragger polygon,
+marker.djs-dragger polyline,
+marker.djs-dragger rect {
+    fill: var(--element-dragger-color) !important;
+    stroke: none !important;
+}
+
+marker.djs-dragger text,
+marker.djs-dragger tspan {
+    fill: none !important;
+    stroke: var(--element-dragger-color) !important;
+}
+
+.djs-dragging {
+    opacity: 0.3;
+}
+
+.djs-dragging,
+.djs-dragging > * {
+    pointer-events: none !important;
+}
+
+.djs-dragging .djs-context-pad,
+.djs-dragging .djs-outline {
+    display: none !important;
+}
+
+/**
+ * no pointer events for visual
+ */
+.djs-visual,
+.djs-outline {
+    pointer-events: none;
+}
+
+.djs-element.attach-ok .djs-hit {
+    stroke-width: 60px !important;
+}
+
+/**
+ * all pointer events for hit shape
+ */
+.djs-element > .djs-hit-all,
+.djs-element > .djs-hit-no-move {
+    pointer-events: all;
+}
+
+.djs-element > .djs-hit-stroke,
+.djs-element > .djs-hit-click-stroke {
+    pointer-events: stroke;
+}
+
+/**
+ * shape / connection basic styles
+ */
+.djs-connection .djs-visual {
+    stroke-width: 2px;
+    fill: none;
+}
+
+.djs-cursor-grab {
+    cursor: -webkit-grab;
+    cursor: -moz-grab;
+    cursor: grab;
+}
+
+.djs-cursor-grabbing {
+    cursor: -webkit-grabbing;
+    cursor: -moz-grabbing;
+    cursor: grabbing;
+}
+
+.djs-cursor-crosshair {
+    cursor: crosshair;
+}
+
+.djs-cursor-move {
+    cursor: move;
+}
+
+.djs-cursor-resize-ns {
+    cursor: ns-resize;
+}
+
+.djs-cursor-resize-ew {
+    cursor: ew-resize;
+}
+
+
+/**
+ * snapping
+ */
+.djs-snap-line {
+    stroke: var(--snap-line-stroke-color);
+    stroke-linecap: round;
+    stroke-width: 2px;
+    pointer-events: none;
+}
+
+/**
+ * snapping
+ */
+.djs-crosshair {
+    stroke: var(--space-tool-crosshair-stroke-color);
+    stroke-linecap: round;
+    stroke-width: 1px;
+    pointer-events: none;
+    shape-rendering: geometricPrecision;
+    stroke-dasharray: 5, 5;
+}
+
+/**
+ * palette
+ */
+
+.djs-palette {
+    position: absolute;
+    left: 20px;
+    top: 20px;
+
+    box-sizing: border-box;
+    width: 48px;
+}
+
+.djs-palette .separator {
+    margin: 5px;
+    padding-top: 5px;
+
+    border: none;
+    border-bottom: solid 1px var(--palette-separator-color);
+
+    clear: both;
+}
+
+.djs-palette .entry:before {
+    vertical-align: initial;
+}
+
+.djs-palette .djs-palette-toggle {
+    cursor: pointer;
+}
+
+.djs-palette .entry,
+.djs-palette .djs-palette-toggle {
+    color: var(--palette-entry-color);
+    font-size: 30px;
+
+    text-align: center;
+}
+
+.djs-palette .entry {
+    float: left;
+}
+
+.djs-palette .entry img {
+    max-width: 100%;
+}
+
+.djs-palette .djs-palette-entries:after {
+    content: '';
+    display: table;
+    clear: both;
+}
+
+.djs-palette .djs-palette-toggle:hover {
+    background: var(--palette-toggle-hover-background-color);
+}
+
+.djs-palette .entry:hover {
+    color: var(--palette-entry-hover-color);
+}
+
+.djs-palette .highlighted-entry {
+    color: var(--palette-entry-selected-color) !important;
+}
+
+.djs-palette .entry,
+.djs-palette .djs-palette-toggle {
+    width: 46px;
+    height: 46px;
+    line-height: 46px;
+    cursor: default;
+}
+
+/**
+ * Palette open / two-column layout is controlled via
+ * classes on the palette. Events to hook into palette
+ * changed life-cycle are available in addition.
+ */
+.djs-palette.two-column.open {
+    width: 94px;
+}
+
+.djs-palette:not(.open) .djs-palette-entries {
+    display: none;
+}
+
+.djs-palette:not(.open) {
+    overflow: hidden;
+}
+
+.djs-palette.open .djs-palette-toggle {
+    display: none;
+}
+
+/**
+ * context-pad
+ */
+.djs-overlay-context-pad {
+    width: 72px;
+    z-index: 100;
+}
+
+.djs-context-pad {
+    position: absolute;
+    display: none;
+    pointer-events: none;
+    line-height: 1;
+}
+
+.djs-context-pad .entry {
+    width: 22px;
+    height: 22px;
+    text-align: center;
+    display: inline-block;
+    font-size: 22px;
+    margin: 0 2px 2px 0;
+
+    border-radius: 3px;
+
+    cursor: default;
+
+    background-color: var(--context-pad-entry-background-color);
+    box-shadow: 0 0 2px 1px var(--context-pad-entry-background-color);
+    pointer-events: all;
+    vertical-align: middle;
+}
+
+.djs-context-pad .entry:hover {
+    background: var(--context-pad-entry-hover-background-color);
+}
+
+.djs-context-pad.open {
+    display: block;
+}
+
+/**
+ * popup styles
+ */
+.djs-popup-backdrop {
+    position: fixed;
+    width: 100vw;
+    height: 100vh;
+    top: 0;
+    left: 0;
+    z-index: 200;
+    line-height: 1;
+    font-family: "IBM Plex Sans", sans-serif;
+}
+
+.djs-popup {
+    box-sizing: border-box;
+    width: min-content;
+    background: var(--popup-background-color);
+    overflow: hidden;
+    position: absolute;
+
+    box-shadow: 0px 2px 6px var(--popup-shadow-color);
+    border: solid 1px var(--popup-border-color);
+    min-width: 120px;
+    outline: none;
+    font-size: var(--popup-font-size);
+}
+
+.djs-popup-search input {
+    width: 100%;
+    box-sizing: border-box;
+    font-size: var(--popup-font-size);
+    padding: 3px 6px;
+    border-radius: 2px;
+    border: solid 1px var(--popup-search-border-color);
+    line-height: 21px;
+}
+
+.djs-popup-search input:focus {
+    background-color: var(--popup-search-focus-background-color);
+    border: solid 1px var(--popup-search-focus-border-color);
+    outline: none;
+}
+
+.djs-popup-header {
+    display: flex;
+    align-items: stretch;
+    line-height: 20px;
+    margin: 10px 12px 10px 12px;
+}
+
+.djs-popup-header .entry {
+    border-radius: 2px;
+}
+
+.djs-popup-header .entry.active {
+    color: var(--popup-header-entry-selected-color);
+}
+
+.djs-popup-header .entry.disabled {
+    color: inherit;
+}
+
+.djs-popup-search {
+    margin: 10px 12px;
+}
+
+.djs-popup-title {
+    font-size: var(--popup-font-size);
+    font-weight: var(--popup-header-font-weight);
+    flex: 1;
+    margin: 0;
+}
+
+.djs-popup-search {
+    position: relative;
+    width: auto;
+}
+
+.djs-popup-search-icon {
+    position: absolute;
+    left: 8px;
+    top: 7px;
+}
+
+.djs-popup-search input {
+    padding-left: 25px;
+}
+
+.djs-popup-results {
+    margin: 7px 3px 7px 12px;
+    list-style: none;
+    max-height: 280px;
+    overflow: auto;
+    padding-right: 9px;
+}
+
+.djs-popup-group {
+    margin: 0;
+    padding: 0;
+    width: 100%;
+}
+
+.djs-popup-body .entry,
+.djs-popup-body .entry-header {
+    padding: 5px 7px;
+    cursor: default;
+    border-radius: 4px;
+}
+
+.djs-popup-body .entry-header {
+    font-weight: var(--popup-header-font-weight);
+    color: var(--popup-entry-title-color);
+    padding-left: 0;
+}
+
+.djs-popup [class*="icon"] .djs-popup-label,
+.djs-popup-label:not(:first-child) {
+    margin-left: .5em;
+}
+
+.djs-popup [class*="icon"]:before,
+.djs-popup-entry-icon {
+    width: 1em;
+    height: 1em;
+    display: inline-block;
+    font-size: 1.4em;
+    vertical-align: middle;
+}
+
+.djs-popup-body .entry-header:not(:first-child) {
+    margin-top: 8px;
+    margin-bottom: 2px;
+}
+
+.djs-popup-body .entry {
+    display: flex;
+    flex-direction: row;
+    align-items: stretch;
+    height: min-content;
+}
+
+.djs-popup .entry.selected {
+    background-color: var(--popup-entry-hover-color);
+}
+
+.djs-popup-body .entry:not(:first-child) {
+    margin-top: 2px;
+}
+
+.djs-popup-entry-content {
+    display: flex;
+    flex-direction: column;
+    flex: 1;
+    overflow: hidden;
+}
+
+.djs-popup-entry-description {
+    color: var(--popup-description-color);
+}
+
+.djs-popup-label,
+.djs-popup-entry-description {
+    line-height: 1.4em;
+}
+
+.djs-popup-title,
+.djs-popup-label,
+.djs-popup-entry-description,
+.djs-popup .entry-header {
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+}
+
+.djs-popup-entry-name {
+    display: flex;
+}
+
+.entry-content {
+    display: flex;
+    flex-direction: column;
+    flex: 1;
+    overflow: hidden;
+}
+
+.djs-popup-body {
+    flex-direction: column;
+    width: auto;
+}
+
+.djs-popup *::-webkit-scrollbar {
+    width: 6px;
+}
+
+.djs-popup *::-webkit-scrollbar-thumb {
+    border-radius: 3px;
+    background-color: rgba(0, 0, 0, 0.2);
+}
+
+.djs-popup *::-webkit-scrollbar-track {
+    box-shadow: none;
+    background: transparent;
+    margin: 0;
+    padding: 5px;
+}
+
+.djs-popup-no-results {
+    padding: 0 12px 12px 12px;
+    color: var(--popup-no-results-color);
+}
+
+.djs-popup-entry-docs {
+    flex: 0;
+    flex-direction: row;
+    align-items: center;
+    padding-left: 5px;
+    display: none;
+}
+
+.djs-popup-body .entry:hover .djs-popup-entry-docs {
+    display: flex;
+}
+
+.djs-popup-entry-docs svg {
+    vertical-align: middle;
+    margin: auto 2px auto 5px;
+}
+
+/**
+ *  palette styles
+ */
+.djs-palette {
+    background: var(--palette-background-color);
+    border: solid 1px var(--palette-border-color);
+    border-radius: 2px;
+}
+
+/**
+ * touch
+ */
+
+.djs-shape,
+.djs-connection {
+    touch-action: none;
+}
+
+.djs-segment-dragger,
+.djs-bendpoint {
+    display: none;
+}
+
+/**
+ * bendpoints
+ */
+.djs-segment-dragger .djs-visual {
+    display: none;
+
+    fill: var(--bendpoint-fill-color);
+    stroke: var(--bendpoint-stroke-color);
+    stroke-width: 1px;
+    stroke-opacity: 1;
+}
+
+.djs-segment-dragger:hover .djs-visual {
+    display: block;
+}
+
+.djs-bendpoint .djs-visual {
+    fill: var(--bendpoint-fill-color);
+    stroke: var(--bendpoint-stroke-color);
+    stroke-width: 1px;
+}
+
+.djs-segment-dragger:hover,
+.djs-bendpoints.hover .djs-segment-dragger,
+.djs-bendpoints.selected .djs-segment-dragger,
+.djs-bendpoint:hover,
+.djs-bendpoints.hover .djs-bendpoint,
+.djs-bendpoints.selected .djs-bendpoint {
+    display: block;
+}
+
+.djs-drag-active .djs-bendpoints * {
+    display: none;
+}
+
+.djs-bendpoints:not(.hover) .floating {
+    display: none;
+}
+
+.djs-segment-dragger:hover .djs-visual,
+.djs-segment-dragger.djs-dragging .djs-visual,
+.djs-bendpoint:hover .djs-visual,
+.djs-bendpoint.floating .djs-visual {
+    fill: var(--bendpoint-fill-color);
+    stroke: var(--bendpoint-stroke-color);
+    stroke-opacity: 1;
+}
+
+.djs-bendpoint.floating .djs-hit {
+    pointer-events: none;
+}
+
+.djs-segment-dragger .djs-hit,
+.djs-bendpoint .djs-hit {
+    fill: none;
+    pointer-events: all;
+}
+
+.djs-segment-dragger.horizontal .djs-hit {
+    cursor: ns-resize;
+}
+
+.djs-segment-dragger.vertical .djs-hit {
+    cursor: ew-resize;
+}
+
+.djs-segment-dragger.djs-dragging .djs-hit {
+    pointer-events: none;
+}
+
+.djs-updating,
+.djs-updating > * {
+    pointer-events: none !important;
+}
+
+.djs-updating .djs-context-pad,
+.djs-updating .djs-outline,
+.djs-updating .djs-bendpoint,
+.djs-multi-select .djs-bendpoint,
+.djs-multi-select .djs-segment-dragger,
+.connect-ok .djs-bendpoint,
+.connect-not-ok .djs-bendpoint,
+.drop-ok .djs-bendpoint,
+.drop-not-ok .djs-bendpoint {
+    display: none !important;
+}
+
+.djs-segment-dragger.djs-dragging,
+.djs-bendpoint.djs-dragging {
+    display: block;
+    opacity: 1.0;
+}
+
+
+/**
+ * tooltips
+ */
+.djs-tooltip-error {
+    width: 160px;
+    padding: 6px;
+
+    background: var(--tooltip-error-background-color);
+    border: solid 1px var(--tooltip-error-border-color);
+    border-radius: 2px;
+    color: var(--tooltip-error-color);
+    font-size: 12px;
+    line-height: 16px;
+
+    opacity: 0.75;
+}
+
+.djs-tooltip-error:hover {
+    opacity: 1;
+}
+
+
+/**
+ * search pad
+ */
+.djs-search-container {
+    position: absolute;
+    top: 20px;
+    left: 0;
+    right: 0;
+    margin-left: auto;
+    margin-right: auto;
+
+    width: 25%;
+    min-width: 300px;
+    max-width: 400px;
+    z-index: 10;
+
+    font-size: 1.05em;
+    opacity: 0.9;
+    background: var(--search-container-background-color);
+    border: solid 1px var(--search-container-border-color);
+    border-radius: 2px;
+    box-shadow: 0 0 0 2px var(--search-container-box-shadow-color), 0 0 0 1px var(--search-container-box-shadow-inset-color) inset;
+}
+
+.djs-search-container:not(.open) {
+    display: none;
+}
+
+.djs-search-input input {
+    font-size: 1.05em;
+    width: 100%;
+    padding: 6px 10px;
+    border: 1px solid var(--search-input-border-color);
+    box-sizing: border-box;
+}
+
+.djs-search-input input:focus {
+    outline: none;
+    border-color: var(--search-input-border-color);
+}
+
+.djs-search-results {
+    position: relative;
+    overflow-y: auto;
+    max-height: 200px;
+}
+
+.djs-search-results:hover {
+    cursor: pointer;
+}
+
+.djs-search-result {
+    width: 100%;
+    padding: 6px 10px;
+    background: white;
+    border-bottom: solid 1px var(--search-result-border-color);
+    border-radius: 1px;
+}
+
+.djs-search-highlight {
+    color: var(--search-result-highlight-color);
+}
+
+.djs-search-result-primary {
+    margin: 0 0 10px;
+}
+
+.djs-search-result-secondary {
+    font-family: monospace;
+    margin: 0;
+}
+
+.djs-search-result:hover {
+    background: var(--search-result-selected-color);
+}
+
+.djs-search-result-selected {
+    background: var(--search-result-selected-color);
+}
+
+.djs-search-result-selected:hover {
+    background: var(--search-result-selected-color);
+}
+
+.djs-search-overlay {
+    background: var(--search-result-selected-color);
+}
+
+/**
+ * hidden styles
+ */
+.djs-element-hidden,
+.djs-element-hidden .djs-hit,
+.djs-element-hidden .djs-outline,
+.djs-label-hidden .djs-label {
+    display: none !important;
+}
+
+.djs-element .djs-hit-stroke,
+.djs-element .djs-hit-click-stroke,
+.djs-element .djs-hit-all {
+    cursor: move;
+}
--- a/server/src/main/resources/static/bpmn/font/bpmn.eot
+++ b/server/src/main/resources/static/bpmn/font/bpmn.eot
--- a/server/src/main/resources/static/bpmn/font/bpmn.svg
+++ b/server/src/main/resources/static/bpmn/font/bpmn.svg
--- a/server/src/main/resources/static/bpmn/font/bpmn.ttf
+++ b/server/src/main/resources/static/bpmn/font/bpmn.ttf
--- a/server/src/main/resources/static/bpmn/font/bpmn.woff
+++ b/server/src/main/resources/static/bpmn/font/bpmn.woff
--- a/server/src/main/resources/static/bpmn/font/bpmn.woff2
+++ b/server/src/main/resources/static/bpmn/font/bpmn.woff2
--- a/server/src/main/resources/web/bpmn.ftl
+++ b/server/src/main/resources/web/bpmn.ftl
@ -0,0 +1,44 @@
+<!doctype html>
+<html lang="en">
+<head>
+    <meta charset="utf-8">
+    <meta http-equiv="content-type" content="text/html; charset=utf-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
+    <#include "*/commonHeader.ftl">
+    <style>
+        html, body, #diagram {
+            height: 100%
+        }
+    </style>
+    <title>kkFileView Bpmn</title>
+</head>
+<body>
+
+<h2>kkFileView Bpmn : ${fileName}</h2>
+
+<div id="diagram"></div>
+
+<!-- required modeler styles -->
+<link rel="stylesheet" href="bpmn/diagram-js.css">
+<link rel="stylesheet" href="bpmn/bpmn-js.css">
+<link rel="stylesheet" href="bpmn/css/bpmn.css">
+
+<!-- modeler distro -->
+<script src="bpmn/bpmn-modeler.development.js"></script>
+<script src="js/jquery-3.6.1.min.js"></script>
+
+<!-- app -->
+<script>
+
+    const viewer = new BpmnJS({
+        container: '#diagram'
+    });
+
+    async function showDiagram(diagramXML) {
+        await viewer.importXML(diagramXML);
+    }
+    // load + show diagram
+    $.get('${currentUrl}', showDiagram, 'text');
+</script>
+</body>
+</html>