structogramview/index.html at main · nigjo/structogramview · GitHub

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<!DOCTYPE html>
<html>
<!--
Copyright 2021-2022 Jens Hofschröer <structogramview@nigjo.de>

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<head>
<meta charset="utf-8" />
<title>Struktogram Viewer</title>
<meta name="viewport" content="width=50em" />
<link rel="icon" href="logo16.png" sizes="16x16">
<link rel="stylesheet" href="structoview.css">
<script src="structoview.js"></script>
<link rel="stylesheet" href="structoedit.css">
<link rel="sample" id="samplesource" href="sample1.sc">
<script src="structoedit.js"></script>
<script src="structosvg.js"></script>
<script id="sampleinit">
(()=>{
  let filename=document.getElementById('samplesource')?.href;
  if(!filename){
    //fallback directly to "fallbacksample"
    document.addEventListener('DOMContentLoaded',()=>{
      let sourceid = document.querySelector('[data-structcode-id]')?.dataset.structcodeId;
      let fallback = document.getElementById('fallbacksample').content.querySelector("pre");
      document.getElementById(sourceid).textContent = fallback.textContent;
      var view=document.querySelector(".structview[data-structcode-id='"+sourceid+"']");
      updateView(view);
    });
    return;
  }
  Promise.all([
    fetch(filename).then(r=>{
      if(r.ok){
        return r.text();
      }
      throw r;
    }),
    new Promise(ok=>{
      document.addEventListener('readystatechange',()=>{
        if(document.readyState==='interactive'){
          //select the first view
          let sourceid = document.querySelector('.structview[data-structcode-id]')?.dataset.structcodeId;
          ok(sourceid);
        }
      });
    })
  ])
  .then(args=>{
    document.getElementById(args[1]).textContent = args[0];
    var view=document.querySelector(".structview[data-structcode-id='"+args[1]+"']");
    updateView(view);
  }).catch(e=>{
    //select the first view
    let sourceid = document.querySelector('.structview[data-structcode-id]')?.dataset.structcodeId;
    if(sourceid){
      if(e instanceof Response){
        document.getElementById(sourceid).textContent =
                e.status+': '+e.statusText;
      }else{
        let fallback = document.getElementById('fallbacksample').content.querySelector("pre");
        document.getElementById(sourceid).textContent = fallback.textContent;
      }
      var view=document.querySelector(".structview[data-structcode-id='"+sourceid+"']");
      updateView(view);
    }
  });
})();
</script><script id="theming">
document.addEventListener('readystatechange', (e)=>{
  if(document.readyState==='interactive'){
    let storedTheme = sessionStorage.getItem('structoedit.theme');
    if(storedTheme){
      setTheme(storedTheme);
    }
  }
});
function updateTheme(event){
  setTheme(event.target.value);
}
function setTheme(theme){
  let them = theme==='light'?'dark':'light';
  document.body.classList.remove("structoview-"+them);
  document.body.classList.remove("structoedit-"+them);
  if(document.body.classList.contains("structoview-"+theme)){
    document.body.classList.remove("structoview-"+theme);
    document.body.classList.remove("structoedit-"+theme);
    document.getElementById('theme_light').checked = false;
    document.getElementById('theme_dark').checked = false;
    sessionStorage.removeItem('structoedit.theme');
  }else{
    document.body.classList.add("structoview-"+theme);
    document.body.classList.add("structoedit-"+theme);
    document.getElementById('theme_'+theme).checked = true;
    sessionStorage.setItem('structoedit.theme', theme);
  }
}
</script>
<!--<style>.badge{display:block;transform:translate(-25%,0)rotate(45deg)translate(50%,0%);}</style>-->
</head>
<body>
<input type="radio" name="viewOption" tabindex="2" checked id="showHTML">
<header>
<h1>Structogram Editor</h1>
</header>
<nav>
  <ul title="View Options">
    <li><ul class="buttons">
      <li data-position="100"><label class="menuitem" for="showHTML">HTML</label></li>
      <li data-position="9000"><select class="menuitem" name="locale" onchange="generateViews()">
      <option>default
      <option value="en">english
      <option value="de">deutsch
      </select></li>
    </ul></li><li><ul class="options">
      <li><label><input id="usecompactselect" type="checkbox" onchange="updateContent('sample1', event)"> Vertical 'Select'</label></li>
      <li>Theme:
      <input type="radio" name="theme" onclick="updateTheme(event)" id="theme_light" value="light">
      <label title="Light Theme" for="theme_light">⬜</label>
      <input type="radio" name="theme" onclick="updateTheme(event)" id="theme_dark" value="dark">
      <label title="Dark Theme" for="theme_dark">⬛</label>
      </li>
    </ul></li>
  </ul>
  <ul title="Actions">
  <li><ul class="buttons">
    </ul></li>
  <li><ul class="options">
    </ul></li>
  </ul>
</nav>
<main>
<figure id="source"><div class="scroller">
<div id="sample1marks" class="structcodemarks"></div>
  <textarea tabindex="1" id="sample1" class="structcode" data-erroritem="source" data-marks="sample1marks" data-caption="Sample 1" onkeyup="checkCurrentContent(this,event)">
  </textarea><template id="fallbacksample"><pre>
IF: external sources exist?
open source file
select all
copy to clipboard
select the textarea
select all
paste your sources from clipboard
ELSE:
select the textarea
select all
delete all
write your code
ENDIF:
export as SVG
</pre></template>
</div>
  <figcaption>Sourcecode<span class="chars"> &#x2254; &#x1F850; &#x2260; &#x2264; &#x2265;</span></figcaption>
</figure>
<figure id="diagram">
<div class="structview" id="diagramView"
     data-structcode-id="sample1" data-structcode-xml="xmlview" data-structcode-svg="svgdiagram"></div>
<noscript><p>This Page does not work without JavaScript.</p></noscript>
<figcaption>Nassi–Shneiderman diagram</figcaption>
</figure>
</main>
<footer>
<div id="githublink">
  <a tabindex="0" href="https://github.com/nigjo/structogramview/">Fork me on GitHub</a>
</div>
</footer>
</body>
</html>