360 lines
8.4 KiB
PHP
Executable file
360 lines
8.4 KiB
PHP
Executable file
<?php
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/*
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File: xajaxRequest.inc.php
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Contains the xajaxRequest class
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Title: xajaxRequest class
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Please see <copyright.inc.php> for a detailed description, copyright
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and license information.
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*/
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/*
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@package xajax
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@version $Id: xajaxRequest.inc.php 362 2007-05-29 15:32:24Z calltoconstruct $
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@copyright Copyright (c) 2005-2007 by Jared White & J. Max Wilson
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@copyright Copyright (c) 2008-2009 by Joseph Woolley, Steffen Konerow, Jared White & J. Max Wilson
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@license http://www.xajaxproject.org/bsd_license.txt BSD License
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*/
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/*
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Constant: XAJAX_FORM_VALUES
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Specifies that the parameter will consist of an array of form values.
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*/
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if (!defined ('XAJAX_FORM_VALUES')) define ('XAJAX_FORM_VALUES', 'get form values');
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/*
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Constant: XAJAX_INPUT_VALUE
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Specifies that the parameter will contain the value of an input control.
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*/
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if (!defined ('XAJAX_INPUT_VALUE')) define ('XAJAX_INPUT_VALUE', 'get input value');
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/*
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Constant: XAJAX_CHECKED_VALUE
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Specifies that the parameter will consist of a boolean value of a checkbox.
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*/
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if (!defined ('XAJAX_CHECKED_VALUE')) define ('XAJAX_CHECKED_VALUE', 'get checked value');
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/*
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Constant: XAJAX_ELEMENT_INNERHTML
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Specifies that the parameter value will be the innerHTML value of the element.
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*/
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if (!defined ('XAJAX_ELEMENT_INNERHTML')) define ('XAJAX_ELEMENT_INNERHTML', 'get element innerHTML');
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/*
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Constant: XAJAX_QUOTED_VALUE
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Specifies that the parameter will be a quoted value (string).
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*/
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if (!defined ('XAJAX_QUOTED_VALUE')) define ('XAJAX_QUOTED_VALUE', 'quoted value');
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/*
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Constant: XAJAX_JS_VALUE
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Specifies that the parameter will be a non-quoted value (evaluated by the
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browsers javascript engine at run time.
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*/
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if (!defined ('XAJAX_JS_VALUE')) define ('XAJAX_JS_VALUE', 'unquoted value');
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/*
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Class: xajaxRequest
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Used to store and generate the client script necessary to invoke
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a xajax request from the browser to the server script.
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This object is typically generated by the <xajax->register> method
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and can be used to quickly generate the javascript that is used
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to initiate a xajax request to the registered function, object, event
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or other xajax call.
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*/
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class xajaxRequest
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{
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/*
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String: sName
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The name of the function.
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*/
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var $sName;
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/*
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String: sQuoteCharacter
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A string containing either a single or a double quote character
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that will be used during the generation of the javascript for
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this function. This can be set prior to calling <xajaxRequest->printScript>
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*/
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var $sQuoteCharacter;
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/*
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Array: aParameters
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An array of parameters that will be used to populate the argument list
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for this function when the javascript is output in <xajaxRequest->printScript>
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*/
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var $aParameters;
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/*
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Function: xajaxRequest
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Construct and initialize this request.
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sName - (string): The name of this request.
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*/
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function xajaxRequest($sName)
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{
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$this->aParameters = array();
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$this->sQuoteCharacter = '"';
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$this->sName = $sName;
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}
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/*
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Function: useSingleQuote
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Call this to instruct the request to use single quotes when generating
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the javascript.
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*/
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function useSingleQuote()
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{
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$this->sQuoteCharacter = "'";
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}
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/*
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Function: useDoubleQuote
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Call this to instruct the request to use double quotes while generating
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the javascript.
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*/
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function useDoubleQuote()
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{
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$this->sQuoteCharacter = '"';
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}
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/*
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Function: clearParameters
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Clears the parameter list associated with this request.
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*/
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function clearParameters()
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{
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$this->aParameters = array();
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}
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/*
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Function: addParameter
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Adds a parameter value to the parameter list for this request.
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sType - (string): The type of the value to be used.
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sValue - (string: The value to be used.
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See Also:
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See <xajaxRequest->setParameter> for details.
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*/
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function addParameter()
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{
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$aArgs = func_get_args();
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if (1 < count($aArgs))
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$this->setParameter(
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count($this->aParameters),
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$aArgs[0],
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$aArgs[1]);
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}
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/*
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Function: setParameter
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Sets a specific parameter value.
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Parameters:
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nParameter - (number): The index of the parameter to set
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sType - (string): The type of value
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sValue - (string): The value as it relates to the specified type
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Note:
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Types should be one of the following <XAJAX_FORM_VALUES>, <XAJAX_QUOTED_VALUE>,
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<XAJAX_JS_VALUE>, <XAJAX_INPUT_VALUE>, <XAJAX_CHECKED_VALUE>.
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The value should be as follows:
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<XAJAX_FORM_VALUES> - Use the ID of the form you want to process.
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<XAJAX_QUOTED_VALUE> - The string data to be passed.
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<XAJAX_JS_VALUE> - A string containing valid javascript (either a javascript
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variable name that will be in scope at the time of the call or a
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javascript function call whose return value will become the parameter.
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*/
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function setParameter()
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{
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$aArgs = func_get_args();
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if (2 < count($aArgs))
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{
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$nParameter = $aArgs[0];
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$sType = $aArgs[1];
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if (XAJAX_FORM_VALUES == $sType)
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{
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$sFormID = $aArgs[2];
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$this->aParameters[$nParameter] =
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"xajax.getFormValues("
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. $this->sQuoteCharacter
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. $sFormID
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. $this->sQuoteCharacter
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. ")";
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}
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else if (XAJAX_INPUT_VALUE == $sType)
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{
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$sInputID = $aArgs[2];
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$this->aParameters[$nParameter] =
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"xajax.$("
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. $this->sQuoteCharacter
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. $sInputID
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. $this->sQuoteCharacter
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. ").value";
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}
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else if (XAJAX_CHECKED_VALUE == $sType)
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{
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$sCheckedID = $aArgs[2];
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$this->aParameters[$nParameter] =
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"xajax.$("
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. $this->sQuoteCharacter
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. $sCheckedID
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. $this->sQuoteCharacter
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. ").checked";
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}
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else if (XAJAX_ELEMENT_INNERHTML == $sType)
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{
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$sElementID = $aArgs[2];
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$this->aParameters[$nParameter] =
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"xajax.$("
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. $this->sQuoteCharacter
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. $sElementID
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. $this->sQuoteCharacter
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. ").innerHTML";
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}
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else if (XAJAX_QUOTED_VALUE == $sType)
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{
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$sValue = $aArgs[2];
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$this->aParameters[$nParameter] =
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$this->sQuoteCharacter
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. $sValue
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. $this->sQuoteCharacter;
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}
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else if (XAJAX_JS_VALUE == $sType)
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{
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$sValue = $aArgs[2];
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$this->aParameters[$nParameter] = $sValue;
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}
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}
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}
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/*
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Function: getScript
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Returns a string representation of the script output (javascript) from
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this request object. See also: <xajaxRequest::printScript>
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*/
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function getScript()
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{
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ob_start();
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$this->printScript();
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return ob_get_clean();
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}
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/*
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Function: printScript
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Generates a block of javascript code that can be used to invoke
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the specified xajax request.
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*/
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function printScript()
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{
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echo $this->sName;
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echo '(';
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$sSeparator = '';
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foreach ($this->aParameters as $sParameter)
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{
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echo $sSeparator;
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echo $sParameter;
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$sSeparator = ', ';
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}
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echo ')';
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}
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}
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/*
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Class: xajaxCustomRequest
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This class extends the <xajaxRequest> class such that simple javascript
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can be put in place of a xajax request to the server. The primary purpose
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of this class is to provide simple scripting services to the <xajaxControl>
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based objects, like <clsInput>, <clsTable> and <clsButton>.
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*/
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class xajaxCustomRequest extends xajaxRequest
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{
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/*
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Array: aVariables;
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*/
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var $aVariables;
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/*
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String: sScript;
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*/
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var $sScript;
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/*
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Function: xajaxCustomRequest
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Constructs and initializes an instance of the object.
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Parameters:
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sScript - (string): The javascript (template) that will be printed
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upon request.
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aVariables - (associative array, optional): An array of variable name,
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value pairs that will be passed to <xajaxCustomRequest->setVariable>
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*/
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function xajaxCustomRequest($sScript)
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{
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$this->aVariables = array();
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$this->sScript = $sScript;
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}
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/*
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Function: clearVariables
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Clears the array of variables that will be used to modify the script before
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it is printed and sent to the client.
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*/
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function clearVariables()
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{
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$this->aVariables = array();
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}
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/*
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Function: setVariable
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Sets a value that will be used to modify the script before it is sent to
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the browser. The <xajaxCustomRequest> object will perform a string
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replace operation on each of the values set with this function.
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Parameters:
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$sName - (string): Variable name
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$sValue - (string): Value
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*/
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function setVariable($sName, $sValue)
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{
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$this->aVariables[$sName] = $sValue;
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}
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/*
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Function: printScript
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*/
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function printScript()
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{
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$sScript = $this->sScript;
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foreach ($this->aVariables as $sKey => $sValue)
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$sScript = str_replace($sKey, $sValue, $sScript);
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echo $sScript;
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}
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}
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