examples/filesystem.html

<h2>Tizen-WRT Text Editor</h2>

<body>

<input type="text" size=50 id="path">
<button id="save" onclick="load()">Load</button>
<button id="save" onclick="save()">Save</button>
<button id="save" onclick="del()">Delete</button>
<br>

<h1 id="filename">Untitled</h1>
<h2 id="lastmodified">Last modified: now</h2>
<h2 id="size">Size: unknown</h2>

<hr>

<textarea cols=50 rows=20 id="editor"></textarea>

<script>

var editor = document.getElementById('editor');

function updateStatusInfo(file) {
  document.title = document.getElementById("filename").innerText = file.fullPath;
  document.getElementById("lastmodified").innerText = 'Last modified: ' + file.modified;
  document.getElementById("size").innerText = 'Size: ' + file.fileSize + 'bytes';
}

function loadContents(file){
  file.readAsText(function(contents) {
    editor.value = contents;
    updateStatusInfo(this);
  }.bind(file),
  function(error) {
    console.log(error.name);
  });
}

function load() {
  var path = document.getElementById("path").value;
  if (path == '') {
    console.log('Type a file path and try again');
    return;
  }
  try {
    tizen.filesystem.resolve(path, loadContents, function(error) {
      console.log(error.name);
    });
  } catch (e) {
    console.log(e);
  }
}

function saveContents(file){
  file.openStream('w',
      function(stream) {
        stream.write(editor.value);
        stream.close();
        updateStatusInfo(this);
      }.bind(file),
      function(error) {
        if (this.readOnly) {
          console.log('File is read-only');
          return;
        }
        if (this.isDirectory) {
          console.log('Path is a directory');
          return;
        }
        if (!this.isFile) {
          console.log('Path is not a regular file');
          return;
        }
        console.log('Error while opening file for writing: ' + error.name);
      }.bind(file));
}

function save() {
  var path = document.getElementById("path").value;
  if (path == '') {
    console.log('Type a file path and try again');
    return;
  }
  try {
    tizen.filesystem.resolve(path, saveContents, function(error) {
      // file not found
      var seppos = path.lastIndexOf('/');
      var dirpath = path.substring(0, seppos);
      var filepath = path.substring(seppos + 1);
      tizen.filesystem.resolve(dirpath, function (dir) {
        try {
          file = dir.createFile(filepath);
          saveContents(file);
        } catch(e) {
          console.log(e.name);
        }
      }, function(error) {console.log(e.name);});
    });
   } catch (e) {
     console.log(e);
   }
}

function del() {
  var path = document.getElementById("path").value;
  if (path == '') {
    console.log('Type a file path and try again');
    return;
  }
  var dirpath = path.substring(0, path.lastIndexOf('/'));
  tizen.filesystem.resolve(dirpath, function(dir) {
    try {
      dir.deleteFile(path,
          function() {
            console.log('Deleted ' + this + ' with success');
          }.bind(this.filePath),
          function(error) {
            console.log('Error while deleting: ' + JSON.strinfigy(error));
          });
    } catch (e) {
      console.log(e);
    }
  }, function(error){console.log(e.name);});
}

</script>