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authorUrban Müller2007-07-26 13:02:24 +0000
committerUrban Müller2007-07-26 13:02:24 +0000
commit806a5297e7e99d455b97a4f0acaba2f40f470584 (patch)
treeb9fc43ef227da87d873cf3676c08c49fa0dc1240 /db_table.class
parentc3cba034c8009b65c25dd4ef5f54b18d9c8ee7d4 (diff)
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renamed files for autoloader
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-<?php
-/*
-** $Id$
-**
-** ITools - the Internet Tools Library
-**
-** Copyright (C) 1995-2003 by the ITools Authors.
-** This program is free software; you can redistribute it and/or
-** modify it under the terms of either the GNU General Public License
-** or the GNU Lesser General Public License, as published by the Free
-** Software Foundation. See http://www.gnu.org/licenses/ for details.
-**
-** it_db_table.class - A database table based on it_db.class
-*/
-
-/**
- * Functions to handle SQL database tables
- * @see it_db, it_db_record
- */
-class it_db_table
-{
- var $db; /* Underlying Database */
- var $name; /* Tabellenname */
-
- var $numfields = 0; /* Number of fields in table or 0 if not known */
- var $fieldnames = array(); /* Array(0..$numfields) of field names */
- var $fieldtypes = array(); /* Array(0..$numfields) or (fieldnames) of field types */
- var $fieldlengths = array(); /* Array(0..$numfields) or (fieldnames) of field lengths */
- var $fieldflags = array(); /* Array(0..$numfields) or (fieldnames) of field flags */
-
-/**
- * Initialize object data
- * @param $db it_db object of the database to be used
- * @param $name name of the table to be used
- */
-function it_db_table(&$db, $name)
-{
- $this->db = &$db;
- $this->name = $name;
-}
-
-
-/**
- * Perform a safe SQL SELECT query on this table
- * @see it_db::safe_sql_query
- * @param $query additional query string, appended at the end of the generated query
- * @param $fields comma seperated list of the columns to be returned
- */
-function safe_sql_select($query, $fields="*")
-{
- return $this->db->safe_sql_query("SELECT $fields FROM " . $this->name . " $query");
-}
-
-
-/**
- * Create an SQL query (the stuff after 'WHERE').
- * @see it_dbi::_where() for more details.
- */
-function construct_sql_clause($params='', $sql='', $omit_where=false)
-{
- return it_dbi::_where($params, $sql, $omit_where);
-}
-
-
-/**
- * Return the count of rows on this table with optional WHERE clause
- * @param $where Optional WHERE clause to narrow the set of rows to count
- * @return Number of rows matching the WHERE clause
- */
-function count($where='')
-{
- $result = $this->safe_sql_select($where, 'COUNT(*)');
- $row = $this->db->fetch_assoc($result);
- return $row['COUNT(*)'];
-}
-
-
-/* Internal: get information about fields */
-function _get_field_info()
-{
- if ($this->numfields > 0) /* Already done! */
- return;
-
- if(($fields = mysql_list_fields($this->db->name, $this->name, $this->db->link)) >= 0)
- {
- $this->numfields = mysql_num_fields($fields);
- for ($i=0; $i < $this->numfields; ++$i)
- {
- $name = mysql_field_name($fields, $i);
- $this->fieldnames[$i] = $name;
- $this->fieldtypes[$i] = $this->fieldtypes[$name] = mysql_field_type($fields, $i);
- $this->fieldlengths[$i] = $this->fieldlengths[$name] = mysql_field_len($fields, $i);
- $this->fieldflags[$i] = $this->fieldflags[$name] = mysql_field_flags($fields, $i);
- /* debug("name='" . $this->fieldnames[$i] . "', len=" . $this->fieldlengths[$i] . ", type='" . $this->fieldtypes[$i] . "', flags='" . $this->fieldflags[$i] . "'\n", 6); */
- }
- }
- else it::fatal("mysql_list_fields($this->db->name, $this->name, $this->db->link) failed.");
-}
-
-
-/**
- * Return a comma separated list of all field names of this table
- */
-function field_names()
-{
- $result = '';
- $this->_get_field_info();
- for ($i=0; $i < $this->numfields; ++$i)
- {
- if ($i > 0) $result .= ",";
- $result .= $this->fieldnames[$i];
- }
- return $result;
-}
-
-
-/**
- * Return the length of a field
- * @param $fieldname Name of the field
- */
-function get_field_length($name)
-{
- $this->_get_field_info();
- return $this->fieldlengths[$name];
-}
-
-
-/**
- * Return number of fields of a record of this table
- */
-function num_fields()
-{
- $this->_get_field_info();
- return $this->numfields;
-}
-
-
-/**
- * Variable name used to propagate sort criteria
- */
-function get_sort_variable_name()
-{
- return "Sort" . md5($this->db->name . $this->name);
-}
-
-
-/**
- * Print an SQL table as an HTML table. Supports user-sorting by column,
- * limited WHERE clause, lists of fields to display and header texts, and
- * a list of links for each field.
- * @param $tableargs format string for the table or "" for default
- * @param $sqlwhere SQL WHERE clause to restrict elements
- * @param $c_fields comma seperated list of the fields to print
- * @param $c_descriptions comma seperated list of the header labels to print
- * @param $c_links dito with links to the respective elements
- * @param $default_order default sort order: "fieldname" or "fieldname DESC"
- * @param $rows_limit limit and position: "10" or "20,5"
- */
-function dump_html($tableargs="", $sqlwhere="", $c_fields="", $c_descriptions="", $c_links="", $default_order="", $rows_limit="", $thispage="", $strip_tags=0)
-{
- /* Unique identifier of this table */
- $table_sort = $this->get_sort_variable_name();
-
- /* Default HTML table */
- if ($tableargs=="")
- $tableargs="border=1 cellspacing=0 cellpadding=5";
-
- /* Default field list: show them all */
- if ($c_fields == "")
- $c_fields = $this->field_names();
-
- /* Default list title: Field names */
- if ($c_descriptions == "")
- $c_descriptions = $c_fields;
-
- $fields = split(",", $c_fields);
- $descriptions = split(",", $c_descriptions);
- $links = split(",", $c_links);
- $numfields = count($fields);
-
- /* Default sort criterium: Ascending sort by first column */
- if ($default_order == "")
- $default_order = $fields[0];
-
- if (!in_array(it::replace(array(' DESC$' => ""), $_REQUEST[$table_sort]), $fields))
- $_REQUEST[$table_sort] = $default_order;
-
- $sql = "SELECT $c_fields FROM $this->name";
-
- if ($sqlwhere)
- $sql .= " WHERE $sqlwhere";
-
- $sql .= " ORDER BY $_REQUEST[$table_sort]";
-
- if ($rows_limit != "")
- $sql .= " LIMIT $rows_limit";
-
- $result = $this->db->safe_sql_query($sql);
-
- if ($this->db->num_rows($result) == 0)
- {
- if (is_object($GLOBALS['it_text']))
- echo T("db_NoObjectsFound"). "<br>\n";
- return;
- }
-
- echo "<table $tableargs>\n";
-
- /* Wenn man keine Titelzeile will, für c_descriptions einfach "," angeben */
- if ($descriptions[0])
- {
- echo '<tr>';
- for ($i=0; $i < $numfields; ++$i)
- {
- if ($_REQUEST[$table_sort] == $fields[$i])
- {
- $newsort = "$_REQUEST[$table_sort] DESC";
- $sortimg = '<img src="/icons/down.gif" border="0" width="10" height="11" alt="">';
- }
- else if ($_REQUEST[$table_sort] == "$fields[$i] DESC")
- {
- $newsort = $fields[$i];
- $sortimg = '<img src="/icons/up.gif" border="0" width="10" height="11" alt="">';
- }
- else
- {
- $newsort = $fields[$i];
- $sortimg = '';
- }
-
- echo "<th align=\"left\">\n";
- echo "<table border=\"0\">\n<tr valign=\"middle\">\n";
- echo '<td><a href="'. it_html::U($thispage, array($table_sort => $newsort) + $_GET) .'">'. $descriptions[$i] .'</a></td>';
- echo '<td><a href="'. it_html::U($thispage, array($table_sort => $newsort) + $_GET) .'">'. $sortimg .'</a></td>';
- echo "</tr>\n</table>\n";
- echo "</th>\n";
- }
- echo "</tr>\n";
- }
-
- while ($f = $this->db->fetch_array($result))
- {
- echo "<tr>";
- for ($i=0; $i<$numfields; ++$i)
- {
- $fieldspec = $f[$fields[$i]];
- if (!$fieldspec) $fieldspec = "&nbsp; ";
- if ($fieldspec == "0.00") $fieldspec = "-";
- /*if (strlen($fieldspec) > 80) $fieldspec = substr($fieldspec, 0, 80) . "..."; */
-
- if (isset($links[$i]))
- {
- if (strstr($links[$i], "?")) $ch = "&"; else $ch = "?";
- $anchor="<a href=\"" . $links[$i] . $ch . $fields[$i] . "=" . urlencode($f[$fields[$i]]) . "\">";
- $anchor2="</a>";
- }
- else
- $anchor = $anchor2 = "";
-
- if ($strip_tags)
- $fieldspec = strip_tags($fieldspec);
- echo "<td>$anchor" . $fieldspec . "$anchor2</td>";
- }
- echo "</tr>\n";
- }
- echo "</table>\n";
-}
-
-
-/**
- * Make a 'select form field' ("Select-Form-Feld") from a table and pre-select an entry
- * @param $name Name of FORM object to generate
- * @param $selected Selected record
- * @param $globaloption Option to add as first value, syntax: key,text
- * @param $optionfield Table field to use for option keys
- * @param $descriptionfield Table field to display
- * @param $query SQL Query after "FROM ...", defaults to "ORDER BY $descriptionfield"
- */
-function make_select($name, $selected, $globaloption, $optionfield, $descriptionfield, $query="")
-{
- $globalopt = split(",", $globaloption);
-
- if (empty($query))
- $query = "ORDER BY $descriptionfield";
- $query = "SELECT * FROM $this->name $query";
-
- echo "<select name=\"$name\">";
-
- if ($globaloption != "")
- echo "<option value=\"", $globalopt[0], "\">", $globalopt[1], "</option>";
-
- $result = $this->db->safe_sql_query($query);
-
- while ($row = $this->db->fetch_array($result))
- {
- $tag = ($row[$optionfield] == $selected) ? " selected" : "";
- echo "<option value=\"", $row[$optionfield], "\"$tag>", $row[$descriptionfield], "</option>";
- }
- echo "</select>\n";
-}
-
-
-/**
- * Drops the current table from the database
- * @return MySQL result (0 means failure)
- */
-function drop()
-{
- if ($this->name == '')
- it::fatal("it_db_table::drop(): no table\n");
-
- if ($result = $this->db->sql_query('DROP TABLE IF EXISTS '.$this->name))
- {
- $this->name = '';
- $numfields = 0;
- $fieldnames = array();
- $fieldtypes = array();
- $fieldlengths = array();
- $fieldflags = array();
- }
-
- return $result;
-}
-
-} /* End class it_db_table */
-?>