blob: 2aa8753bb2408021da201fd2fd7992f4adda3178 [file] [log] [blame]
<?xml version="1.0"?>
<!--
Copyright 2005 The Apache Software Foundation
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.
-->
<!DOCTYPE script PUBLIC
"-//Apache Software Foundation//Tapestry Script Specification 3.0//EN"
"http://jakarta.apache.org/tapestry/dtd/Script_3_0.dtd">
<script>
<!--
input symbols:
select: The PropertySelection component
field: The matching TextField component
Both are assumed to be in the same form.
-->
<input-symbol key="select" class="org.apache.tapestry.form.PropertySelection" required="yes"/>
<input-symbol key="field" class="org.apache.tapestry.form.IFormComponent" required="yes"/>
<let key="formObject">
document.${select.form.name}
</let>
<let key="selectObject">
${formObject}.${select.name}
</let>
<let key="fieldObject">
${formObject}.${field.name}
</let>
<let key="functionName" unique="yes">
onChange_${select.name}
</let>
<body>
function ${functionName}()
{
var select = ${selectObject};
var field = ${fieldObject};
// Index 0 is the null value option, meaning enable the text field
if (select.selectedIndex == 0)
{
field.disabled = false;
field.focus();
field.select();
}
else
{
// disabled only works with IE, not NN
field.disabled = true;
field.blur();
field.value = "";
}
}
</body>
<initialization>
<!-- Navigator is not documented to respond to the onChange event, but this works,
so my documentation must be wrong. -->
${selectObject}.onchange = ${functionName};
<!-- Disable the text field unless the select is set for index 0 (the null value). -->
if (${selectObject}.selectedIndex != 0)
${fieldObject}.disabled = true;
</initialization>
</script>