sudoku.scxml Example File

  <?xml version="1.0" ?>
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  <scxml xmlns="http://www.w3.org/2005/07/scxml" version="1.0"
         name="Sudoku" datamodel="ecmascript">
      <datamodel>
          <data id="initState"/>
          <data id="currentState" expr="[[]]"/>
          <data id="undoStack"/>
      </datamodel>
      <script src="sudoku.js"/>
      <state id="game">
          <onentry>
              <raise event="restart"/>
          </onentry>
          <state id="idle">
              <transition event="start" target="playing"/>
              <transition event="setup" target="unsolved">
                  <assign location="initState" expr="_event.data.initState"/>
                  <raise event="restart"/>
              </transition>
              <state id="unsolved"/>
              <state id="solved"/>
          </state>
          <state id="playing">
              <onentry>
                  <raise event="restart"/>
              </onentry>
              <transition event="tap">
                  <if cond="isValidPosition()">
                      <script>
                          calculateCurrentState();
                      </script>
                      <if cond="isSolved()">
                          <raise event="solved"/>
                      </if>
                      <raise event="update"/>
                  </if>
              </transition>
              <transition event="undo">
                  <script>
                      undo();
                  </script>
                  <raise event="update"/>
              </transition>
              <transition event="stop" target="idle"/>
              <transition event="solved" target="solved"/>
          </state>
          <transition event="restart">
              <script>
                  restart();
              </script>
              <raise event="update"/>
          </transition>
          <transition event="update">
              <send event="updateGUI">
                  <param name="currentState" expr="currentState"/>
                  <param name="initState" expr="initState"/>
              </send>
          </transition>
      </state>
  </scxml>