dynamic-use-01.svg

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<!--

     Any copyright is dedicated to the Public Domain.

     http://creativecommons.org/publicdomain/zero/1.0/

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<svg xmlns="http://www.w3.org/2000/svg" version="1.1"

     xmlns:xlink="http://www.w3.org/1999/xlink">

  <title>Testing that dynamic changes to the element for a given ID are reflected in 'use'</title>

  <use id="u1" x="10%" xlink:href="#r1"/>

  <script>

    // force frame construction; test that parsing "r1" after frame construction

    // is still bound to "u1" eventually

    var rect = document.getElementById("u1").getBoundingClientRect();

  </script>

  <rect width="11%" height="100%" fill="lime" id="r1"/>

  <rect width="11%" height="100%" fill="lime" id="x"/>

  <use id="u2" x="20%" xlink:href="#r2"/>

  <script>

    var rect = document.getElementById("u2").getBoundingClientRect();

    // check that changing an id to "r2" lets u2 find it

    var r2 = document.getElementById("x");

    r2.setAttribute("id", "r2");

  </script>

  <rect width="10%" height="100%" fill="red" id="r3"/>

  <rect width="11%" height="100%" fill="lime" id="r3"/>

  <use id="u3" x="30%" xlink:href="#r3"/>

  <script>

    var rect = document.getElementById("u3").getBoundingClientRect();

    // check that removing the bad r3 lets u3 find the good one

    var r3 = document.getElementById("r3");

    r3.parentNode.removeChild(r3);

  </script>

  <rect width="10%" height="100%" fill="red" id="r4"/>

  <rect width="11%" height="100%" fill="lime" id="r4"/>

  <use id="u4" x="40%" xlink:href="#r4"/>

  <script>

    var rect = document.getElementById("u4").getBoundingClientRect();

    // check that renaming the bad r4 lets u4 find the good one

    var r4 = document.getElementById("r4");

    r4.removeAttribute("id");

  </script>

  <rect width="10%" height="100%" fill="red" id="r5"/>

  <use id="u5" x="50%" xlink:href="#r5"/>

  <script>

    var rect = document.getElementById("u5").getBoundingClientRect();

    // check that changing u5's reference works

    var u5 = document.getElementById("u5");

    u5.setAttributeNS("http://www.w3.org/1999/xlink", "href", "#r1");

  </script>

  <rect width="10%" height="100%" fill="red" id="r6"/>

  <rect width="11%" height="100%" fill="lime" id="r6-2"/>

  <use id="u6" x="60%" xlink:href="#r6"/>

  <script>

    var rect = document.getElementById("u6").getBoundingClientRect();

    // check that inserting a good element before the bad r6 works

    var r6 = document.getElementById("r6-2");

    r6.parentNode.removeChild(r6);

    r6.setAttribute("id", "r6");

    document.documentElement.insertBefore(r6, document.documentElement.firstChild);

  </script>

  <rect width="11%" height="100%" fill="lime" id="r7"/>

  <rect width="10%" height="100%" fill="red" id="r7-2"/>

  <use id="u7" x="70%" xlink:href="#r7"/>

  <script>

    var rect = document.getElementById("u7").getBoundingClientRect();

    // check that inserting a bad element after a good one doesn't break anything

    var r7 = document.getElementById("r7-2");

    r7.parentNode.removeChild(r7);

    r7.setAttribute("id", "r7");

    document.documentElement.appendChild(r7);

  </script>

  <rect width="11%" height="100%" fill="lime" id="r8-2"/>

  <rect width="10%" height="100%" fill="red" id="r8"/>

  <use id="u8" x="80%" xlink:href="#r8"/>

  <script>

    var rect = document.getElementById("u8").getBoundingClientRect();

    // check that renaming a good element to r8 works

    var r8 = document.getElementById("r8-2");

    r8.setAttribute("id", "r8");

  </script>

  <rect width="11%" height="100%" fill="lime"/>

  <rect x="90%" width="11%" height="100%" fill="lime"/>

</svg>