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fdf_set_javascript_action
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fdf_set_javascript_action

Name

fdf_set_javascript_action — Sets the JavaScript action for a field.

Synopsis

bool fdf_set_javascript_action(fdfdoc, fieldname, whichtrigger, script); resource fdfdoc: FDF document identifier string fieldname: Field name int whichtrigger: Trigger type string script: Javascript

Returns

TRUE on success; FALSE on error

Description

Sets a JavaScript action for the given field fieldname .

whichtrigger can be one of:

`FDFEnter`	Moving the mouse into the field
`FDFExit`	Moving the mouse out of the field
`FDFDown`	Pressng the mouse button down
`FDFUp`	Releasing the mouse button
`FDFFormat`	Change the way the data appears
`FDFValidate`	Verify the entered value was correct
`FDFKeystroke`	Pressing a key or entering some data
`FDFCalculate`	Triggers a calculation script attached to the field

Version

Existing since versions 4.0.2

Example

Example 287. Assign JavaScript action

// create the FDF
$outfdf = fdf_create();

// set a field value
fdf_set_value($outfdf, "volume", $volume, 0);

// set the field action
// if a check box is unchecked, a radio button has one value
// if checked it is updated to a new value
fdf_set_javascript_action($fdf, "checkbox", FDFUp,
"var valMe = event.target.value;\r"
"var fRadio = this.getField(\"radio\");\r\r"
"if (valMe == \"Off\")\r"
"\tfRadio.value = \"left\"\r"
"else\r"
"\tfRadio.value = \"right\";\r");

// save file and output result to client
fdf_set_file($outfdf, "http://testserver/testfdf/results.pdf");
fdf_save($outfdf, "outtest.fdf");
fdf_close($outfdf);
Header("Content-type: application/vnd.fdf");
$fp = fopen("outtest.fdf", "r");
fpassthru($fp);
unlink("outtest.fdf");

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PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing (Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch). This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later (the latest version is presently available at http://www.opencontent.org/openpub/). The authors of this book have elected not to choose any options under the OPL. This online book was obtained from http://www.fooassociates.com/phpfer/ and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4 for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All persons and entities shall have neither liability nor responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book.