fields_functions.php

jsp程序开发系统

<?php
// +-------------------------------------------------------------+
// | DeskPRO v [2.0.1 Production]
// | Copyright (C) 2001 - 2004 Headstart Solutions Limited
// | Supplied by WTN-WDYL
// | Nullified by WTN-WDYL
// | Distribution via WebForum, ForumRU and associated file dumps
// +-------------------------------------------------------------+
// | DESKPRO IS NOT FREE SOFTWARE
// +-------------------------------------------------------------+
// | License ID : Full Enterprise License =) ...
// | License Owner : WTN-WDYL Team
// +-------------------------------------------------------------+
// | $RCSfile: fields_functions.php,v $
// | $Date: 2004/02/10 01:34:25 $
// | $Revision: 1.46 $
// +-------------------------------------------------------------+
// | File Details:
// | - Utility functions for custom fields.
// +-------------------------------------------------------------+

error_reporting(E_ALL ^ E_NOTICE);

#################################################################################################
#				CUSTOM FIELD FUNCTIONS 
#################################################################################################


/*****************************************************
	function field_def_val

-----DESCRIPTION: -----------------------------------

	- validates custom field form elements

-----ARGUMENTS: -------------------------------------

	fielddata		:	the data from the x_def table
	fieldvalue		:	the value submitted (value or an array)
	customvalue		:	extra data for when an extra optional input field is entered
	noerror			:	set if we only want validated results but not errors

-----RETURNS:----------------------------------------

	if valid result returns the result
	if empty result (but this is allowed) returns empty string
	if validation fails then returns null

*****************************************************/

function field_def_val($fielddata, $fieldvalue, $customvalue='', $noerror='') {

	// get what we need from the database
	$data = unserialize($fielddata[data]);
	
	if (is_array($data)) {
		// get allowed values
		foreach ($data AS $key => $val) {
			$data_array[] = $val[0];
		}
	}

	$reg_ex = stripslashes($fielddata[reg_ex]);

	//////////////////////// SELECT FIELDS ////////////////////////
	if ($fielddata[formtype] == "select") {

		/*
			1) Single select
				- require a selection
				- or extra input over rides
			2) Multi select
				- min options
				- max options
		*/

		// sort multiselect data
		if ($fielddata[multiselect] == "1") {

			// build array of selected options that match allowed ones
			if (is_array($fieldvalue)) {

				$value = '|||';
				foreach($fieldvalue AS $key => $var) {
					if (in_array($var, $data_array)) {
						$value .= $var . "|||";
						$regex_array[] = $var;
					}
				}

				// too many / too few
				$count = count($regex_array);
				if (($fielddata[minoptions] != "0") AND ($count < $fielddata[minoptions])) {
					$error = 1;
				}

				if (($fielddata[maxoptions] != "0") AND ($count > $fielddata[maxoptions])) {
					$error = 1;
				}
			
			// nothing selected for multiselect
			} else {
				if ($fielddata[minoptions]) {
					$error = 1;
				}
			}
	
		} else {
		
			// not multiselect
			if (@in_array($fieldvalue, $data_array)) {
				$value = "|||" . $fieldvalue . "|||";
			// check if required
			} elseif ($fielddata[required] == "1") {
				$error_temp = 1;
			}
		}
	}
	
	//////////////////////// TEXTAREA AND INPUT FIELDS ////////////////////////
	if ($fielddata[formtype] == "textarea" OR $fielddata[formtype] == "input") {

		/*
			1) minlength
			2) maxlength
			3) regex
		*/

		if ($fielddata[regex]) {
			if (!(preg_match($fielddata[regex], $fieldvalue))) {
				$error = 1;
			}
		}

		$length = strlen($fieldvalue);
		if (($fielddata[maxlength] != "0") AND ($length > $fielddata[maxlength])) {
			$error = 1;
		}
		if (($fielddata[minlength] != "0") AND ($length < $fielddata[minlength])) {
			$error = 1;
		}

		$value = $fieldvalue;

	}

	//////////////////////// RADIO FIELDS ////////////////////////
	if ($fielddata[formtype] == "radio") {

		/*
			1) Require a selection
			2) Extrainput overrides
		*/

		if (in_array($fieldvalue, $data_array)) {
			$value = '|||' . $fieldvalue . '|||';
		
		} else {
				
			// if we need a selection
			if ($fielddata[required] == "1") {
				$error_temp = 1;
			}	
		}
	}

	//////////////////////// CHECKBOX FIELDS ////////////////////////
	if ($fielddata[formtype] == "checkbox") {

		/*
			1) Minimum options
			2) Maximum options
		*/

		// check not empty
		if (is_array($fieldvalue)) {
			$value = '|||';
			foreach($fieldvalue AS $key => $var) {
				// build data
				if (in_array($var, $data_array)) {
					$value .= $var . "|||";
					$regex_array[] = $var;
				}
			}
		}
		
		// too many / too few
		$count = count($regex_array);
		if (($fielddata[minoptions] != "0") AND ($count < $fielddata[minoptions])) {
			$error = 1;
		}
		if (($fielddata[maxoptions] != "0") AND ($count > $fielddata[maxoptions])) {
			$error = 1;
		}
	}

	//////////////////////// EXTRA INPUT ////////////////////////

	if ($fielddata[extrainput] == "1") {

		/*
			1) regex
			2) minlength
			3) maxlength
			
		*/
			
		if (trim($customvalue) != "") {

			$val_extrainput = 1;

			if ($fielddata[regex]) {
				if (!(preg_match($fielddata[regex], $customvalue))) {
					$error = 1;
				}
			}

			$length = strlen($customvalue);	
			if ($fielddata[maxlength] AND ($length > $fielddata[maxlength])) {
				$error = 1;
				unset($val_extrainput);
			}
			if ($fielddata[maxlength] AND ($length < $fielddata[minlength])) {
				$error = 1;
				unset($val_extrainput);
			}

			$value = $customvalue;
		}	
	}

	//////////////////////// RETURN VALUE ////////////////////////

	// check if error from lack of custom field
	if (($error_temp) AND (!$val_extrainput)) {
		$error = 1;
	}

	// empty options
	if ($value == '||||||') {
		unset($value);
	}

	// return error
	if ($error AND !$noerror) {
		return;
	} else {
		if ($value) {
			return $value;
		} else {
			// return empty string, different from error
			return '';
		}
	}
}

/*****************************************************
	function field_def

-----DESCRIPTION: -----------------------------------

	- generates custom field form elements

-----ARGUMENTS: -------------------------------------

	fielddata		:	the data from the x_def table
	type			:	can be default (using default value in table), edit (for editing fields) or redo (redoing a form if there where errors)
	fieldvalue		:	the value submitted (value or an array) this is used when we are redoing/editing the form
	customvalue		:	extra data for when an extra optional input field is entered this is used when we are redoing/editing the form
	editvalue		:	the value from the database
	name			:	the name of the form array when it is not custom_fields for example when two _defs on the same page
	bools			:	[optional] If true, show boolean search fields
	match			:	[optional] The user-submitted (or DB-stored) match selection
	not				:	[optional] The user-submitted (or DB-stored) not selection

-----RETURNS:----------------------------------------
	the html to generate the form element

*****************************************************/

function field_def($fielddata, $type='default', $fieldvalue='', $customvalue='', $editvalue='', $name='custom_fields', $bools=NULL, $match=NULL, $not=NULL) {
	global $user, $ticket;
	
	if (!$name) {
		$name = 'custom_fields';
	}

	// default value (failed regex/parsed default/default)
	if ($type == 'redo') {
		$default_value = $fieldvalue;
	} elseif ($type == 'edit') {
		$default_value = $editvalue;
	} elseif ($fielddata[parsed_default_value]) {
		eval ("\$default_value = $fielddata[parsed_default_value];");
	} elseif ($fielddata[default_value]) {
		$default_value = $fielddata[default_value];
	}

	// data manipulation
	$data = unserialize($fielddata[data]);

	$fielddata[name] = htmlspecialchars($fielddata[name]);

	//////////////////////// SELECT FIELDS //////////////////////// 
	if ($fielddata[formtype] == "select") {

		// size
		if ($fielddata[height] > 0) {
			$size .= " size=\"$fielddata[height]\"";
		}

		// allow multiple selections
		if ($fielddata[multiselect]) {
			unset($fielddata[extrainput]);
			$html = "<select name=\"" . $name . "[" . $fielddata[name] . "][]\" multiple$size>";
		} else {
			$html = "<select name=\"" . $name . "[$fielddata[name]]\"$size>";
			// empty element for single selects
			$html .= "<option>[None]</option>\n";
		}

		// run through data
		if (is_array($data)) {

			if ($type == 'edit' AND $default_value) {
				// if edit sort out fields
				$default_value = explode('|||', $default_value);
				if (!is_array($fieldvalue)) {
					$fieldvalue = array();
				}
				foreach ($default_value AS $key => $var) {
					if (strlen($var)) {
						$fieldvalue[] = $var;
					}
				}
			}

			foreach ($data AS $key => $val) {

				if (!(is_array($val))) {
					$val = array('0' => '', '2' => '', '3' => '');
				} else {
					$val[0] = htmlspecialchars($val[0]);
					$val[2] = htmlspecialchars($val[2]);
				}

				// submitted data
				if ($type == "redo" OR $type == 'edit') {

					if (is_array($fieldvalue)) {
						if (in_array($val[0], $fieldvalue) AND ((!$customvalue) OR in_array($val[2], $customvalue))) {
							$html .= "<option selected=\"selected\" value=\"$val[0]\">$val[2]</option>\n";
							if (is_array($customvalue)) {
								if (in_array($val[0], $customvalue)) {
									$customvalue = NULL;
								}
							} else {
								if ($val[0] == $customvalue) {
									$customvalue = NULL;
								}
							}
						} else {
							$html .= "<option value=\"$val[0]\">$val[2]</option>\n";
						}
					} else {
						if ($fieldvalue == $val[0] AND ((!$customvalue) OR $customvalue == $val[2])) {
							$html .= "<option selected=\"selected\" value=\"$val[0]\">$val[2]</option>\n";
							if ($customvalue == $val[0]) {
								$customvalue = NULL;
							}
						} else {
							$html .= "<option value=\"$val[0]\">$val[2]</option>\n";
						}
					}

				// default data
				} else {
					if ($val[3] == "1" AND (!$customvalue)) {
						$html .= "<option selected=\"selected\" value=\"$val[0]\">$val[2]</option>\n";
					} else {
						$html .= "<option value=\"$val[0]\">$val[2]</option>\n";
					}	
				}
			}
		}

		$html .= "</select>\n";

	}

	//////////////////////// TEXTAREA FIELDS ////////////////////////
	
	if ($fielddata[formtype] == "textarea") {
		
		$html = form_textarea($fielddata[name], $fielddata[length], $fielddata[height], $default_value, $name);

	}

	//////////////////////// INPUT FIELDS ////////////////////////

	 if ($fielddata[formtype] == "input")  {

		$html = form_input($fielddata[name], $default_value, $fielddata[length], $name);

	}
	
	//////////////////////// RADIO FIELDS ////////////////////////
	
	if ($fielddata[formtype] == "radio") {

		// run through data
		if (is_array($data)) {
			foreach ($data AS $key => $val) {

				$val[0] = htmlspecialchars($val[0]);

				if ($fielddata[perline] == $count) {
					$count = 0;
					$html .= "<br />";
				}

				// submitted data
				if ($type == "redo") {
					if ($val[0] == $fieldvalue AND (!$customvalue))  {
						$checked = "checked=\"checked\"";
					} else {
						unset($checked);
					}