Commit ce62b1a4747b5ad7e34aad8821d0223ca385074e
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Criado o diretório pacotes/classesphp para armazenar arquivos PHP de terceiros e…
… de uso geral. Incluída classe para manipulação de arquivos CSV.
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| 1 | +<?php | |
| 2 | +# This program is free software; you can redistribute it and/or modify | |
| 3 | +# it under the terms of the GNU Library General Public License as published by | |
| 4 | +# the Free Software Foundation either version 2 of the License, or | |
| 5 | + | |
| 6 | +//===================================================================================================================== | |
| 7 | +//classdef CSVHandler 0.91 :: CSV Handling Wrapper | |
| 8 | +//===================================================================================================================== | |
| 9 | +# | |
| 10 | +# | |
| 11 | +# Copyright (C) 2005 by Andreas Müller | |
| 12 | + | |
| 13 | +class CSVHandler { | |
| 14 | + var $Separator; // | |
| 15 | + var $DataFile; | |
| 16 | + var $DataKey; | |
| 17 | + var $HeaderData; // | |
| 18 | + var $ItemsList; // | |
| 19 | + var $Items_Count; | |
| 20 | + var $color; | |
| 21 | + var $RecordsList; | |
| 22 | + | |
| 23 | +// Standard User functions | |
| 24 | + function CSVHandler($Filename, $Separator, $KeyFieldName) { //Constructor | |
| 25 | + $this->DataFile=$Filename; | |
| 26 | + $this->DataKey=$KeyFieldName; | |
| 27 | + $this->Separator=$Separator; | |
| 28 | + $this->color="#FFFFFF"; | |
| 29 | + } | |
| 30 | + function ReadCSV() { //read data into this->ItemsList and return it in an array | |
| 31 | + $this->Items_Count=0; | |
| 32 | + $this->ItemsList=array(); | |
| 33 | + $Item=array(); | |
| 34 | + $fp = fopen ($this->DataFile,"r"); | |
| 35 | + $this->HeaderData = fgetcsv ($fp, 3000, $this->Separator); | |
| 36 | + while ($DataLine = fgetcsv ($fp, 3000, $this->Separator)) { | |
| 37 | + for($i=0;$i<count($this->HeaderData);$i++){ | |
| 38 | + $Item[$this->HeaderData[$i]]=$DataLine[$i]; | |
| 39 | + } | |
| 40 | + array_push($this->ItemsList,$Item); | |
| 41 | + $this->Items_Count++; | |
| 42 | + } | |
| 43 | + fclose($fp); | |
| 44 | + return ($this->ItemsList); | |
| 45 | + } | |
| 46 | + function Select($needle,$column="all") { //get items in a sort of SQL Select query and return them in an array | |
| 47 | + $this->ReadCSV(); | |
| 48 | + if($needle=="*") { | |
| 49 | + $result=$this->ItemsList; | |
| 50 | + } else { | |
| 51 | + $result=array(); | |
| 52 | + if($column=="all") { | |
| 53 | + while(list($key,$line)=each($this->ItemsList)) { | |
| 54 | + if (stristr(implode("",$line),$needle)) array_push($result,$line); | |
| 55 | + } | |
| 56 | + } else { | |
| 57 | + while(list($key,$line)=each($this->ItemsList)) { | |
| 58 | + if (stristr($line[$column],$needle)) array_push($result,$line); | |
| 59 | + } | |
| 60 | + } | |
| 61 | + } | |
| 62 | + return ($result); | |
| 63 | + } | |
| 64 | + function ListAll() { //prints a list of all Data | |
| 65 | + $Data=$this->ReadCSV(); | |
| 66 | + reset ($this->ItemsList); | |
| 67 | + reset ($this->HeaderData); | |
| 68 | + $HHeaders=""; | |
| 69 | + $HData=""; | |
| 70 | + while(list($HKey,$HVal)=each($this->HeaderData)) { //Create Headers Line | |
| 71 | + $HHeaders.=$this->HTTD($HVal); | |
| 72 | + } | |
| 73 | + $HHeaders=$this->HTTR($HHeaders); | |
| 74 | + while(list($LineKey,$LineVal)=each($this->ItemsList)) { //Read Data Lines | |
| 75 | + $HDataLine=""; | |
| 76 | + while(list($DataKey,$DataVal)=each($LineVal)) { //Dissect one Data Line | |
| 77 | + $HDataLine.=$this->HTTD($DataVal); | |
| 78 | + } | |
| 79 | + $HData.=$this->HTTR($HDataLine); //and add HTML to Data | |
| 80 | + } | |
| 81 | + print ($this->HTPage($this->HTTable($HHeaders.$HData))); | |
| 82 | + } | |
| 83 | + function GetValues($field) { //Fetch all values of a specified field and return values in array | |
| 84 | + $Data=$this->ReadCSV(); | |
| 85 | + $values=array(); | |
| 86 | + while(list($key,$val)=each($this->ItemsList)) { | |
| 87 | + if(!in_array($val[$field],$values)) array_push($values,$val[$field]); | |
| 88 | + } | |
| 89 | + sort($values); | |
| 90 | + return $values; | |
| 91 | + } | |
| 92 | + function Edit() { //All edit function in one Table | |
| 93 | + $Data=$this->ReadCSV(); | |
| 94 | + if(isset($_POST['commit'])) { | |
| 95 | + $this->Update($_POST[$this->DataKey],$_POST); | |
| 96 | + $Data=$this->ReadCSV(); | |
| 97 | + } | |
| 98 | + if(isset($_POST['add'])) { | |
| 99 | + $this->Add($_POST[$this->DataKey],$_POST); | |
| 100 | + $Data=$this->ReadCSV(); | |
| 101 | + } | |
| 102 | + if(isset($_POST['delete'])) { | |
| 103 | + $this->Delete($_POST[$this->DataKey]); | |
| 104 | + $Data=$this->ReadCSV(); | |
| 105 | + } | |
| 106 | + $PAGE=$this->EditList(); | |
| 107 | + print $PAGE; | |
| 108 | + } | |
| 109 | + | |
| 110 | +// Administration Area | |
| 111 | + function Update($key,$data) { //Updating Item "key" with "data" named array | |
| 112 | + $this->ReadCSV(); | |
| 113 | + for($i=0;$i<count($this->ItemsList);$i++) { | |
| 114 | + If($this->ItemsList[$i][$this->DataKey]==$key){ | |
| 115 | + while(list($key,$val)=each($this->HeaderData)) { | |
| 116 | + if(isset($data[$val])) $this->ItemsList[$i][$val]=$data[$val]; | |
| 117 | + } | |
| 118 | + } | |
| 119 | + } | |
| 120 | + $this->WriteData(); | |
| 121 | + return($this->ItemsList); | |
| 122 | + } | |
| 123 | + function Add($key,$data) { //add an Item "key" with "data" named array | |
| 124 | + $this->ReadCSV(); | |
| 125 | + $NewLine=array(); | |
| 126 | + $NewItem=array($this->DataKey=>$key); | |
| 127 | + while(list($key,$val)=each($this->HeaderData)) { | |
| 128 | + if(isset($data[$val])) { | |
| 129 | + $NewItem[$val]=$data[$val]; | |
| 130 | + } else { | |
| 131 | + $NewItem[$val]=$data[$val]=""; | |
| 132 | + } | |
| 133 | + } | |
| 134 | + array_push($this->ItemsList,$NewItem); | |
| 135 | + $this->WriteData(); | |
| 136 | + return($this->ItemsList); | |
| 137 | + } | |
| 138 | + function EditList() { //returns Editor's List of Items | |
| 139 | + reset ($this->ItemsList); | |
| 140 | + reset ($this->HeaderData); | |
| 141 | + $HHeaders=$this->HTTD(" "); | |
| 142 | + $HData=""; | |
| 143 | + while(list($HKey,$HVal)=each($this->HeaderData)) { //Create Headers Line | |
| 144 | + $HHeaders.=$this->HTTD($HVal); | |
| 145 | + } | |
| 146 | + $HHeaders=$this->HTTR($HHeaders); | |
| 147 | + while(list($LineKey,$LineVal)=each($this->ItemsList)) { //Read Data Lines | |
| 148 | + $HDataLine=""; | |
| 149 | + while(list($DataKey,$DataVal)=each($LineVal)) { //Dissect one Data Line | |
| 150 | + $HDataLine.=$this->HTInput($DataKey,$DataVal); | |
| 151 | + } | |
| 152 | + $HData.=$this->HTForm($LineVal[$this->DataKey],$this->HTTR($this->HTButton("commit").$HDataLine.$this->HTButton("delete"))); //and add HTML to Data | |
| 153 | + } | |
| 154 | + $HDataLine=""; | |
| 155 | + reset($this->HeaderData); | |
| 156 | + while(list($DataKey,$DataVal)=each($this->HeaderData)) { // Add an extra Line for Adding a record | |
| 157 | + $HDataLine.=$this->HTInput($DataVal,""); | |
| 158 | + } | |
| 159 | + $HData.=$this->HTForm($LineVal[$this->DataKey],$this->HTTR($this->HTButton("add").$HDataLine)); //and add HTML to Data | |
| 160 | + return($this->HTPage($this->HTTable($HHeaders.$HData))); | |
| 161 | + } | |
| 162 | + function Delete($DeleteKey) { //Remove Item "Key" from the file | |
| 163 | + $inter=array(); | |
| 164 | + while(list($key,$val)=each($this->ItemsList)) { | |
| 165 | + If($val[$this->DataKey]!=$DeleteKey) array_push($inter,$val); | |
| 166 | + } | |
| 167 | + $this->ItemsList=$inter; | |
| 168 | + $this->WriteData(); | |
| 169 | + return($this->ItemsList); | |
| 170 | + } | |
| 171 | + function WriteData() { //writing contents of ItemList to Datafile | |
| 172 | + reset($this->ItemsList); | |
| 173 | + $Output=implode($this->Separator, $this->HeaderData)."\n"; | |
| 174 | + while(list($key,$val)=each($this->ItemsList)) { | |
| 175 | + for($i=0;$i<count($this->HeaderData);$i++){ | |
| 176 | + $writekey=$this->HeaderData[$i]; | |
| 177 | + $writeitem[$writekey]=$val[$writekey]; | |
| 178 | + } | |
| 179 | + $Output.=implode($this->Separator, $writeitem)."\n"; | |
| 180 | + } | |
| 181 | + $fp = fopen ($this->DataFile,"w"); | |
| 182 | + flock($fp,2); | |
| 183 | + fputs($fp,$Output); | |
| 184 | + flock($fp,3); | |
| 185 | + fclose($fp); | |
| 186 | + } | |
| 187 | + | |
| 188 | +// Accessory HTML output functions | |
| 189 | + function HTPage($value) { // Places $value into BODY of HTML Page | |
| 190 | + $result = "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">\n"; | |
| 191 | + $result.="<html><head><title>".$this->DataFile." Editor</title>\n"; | |
| 192 | + $result.="<meta http-equiv=\"Content-Type\" content=\"text/html; charset=iso-8859-1\">\n"; | |
| 193 | + $result.="<style type=\"text/css\">"; | |
| 194 | + $result.="<!-- td { margin: 0px; padding: 0px; border: 1px solid #003399; } --></style></head>\n"; | |
| 195 | + $result.="<body>\n".$value."</body>\n</html>"; | |
| 196 | + return $result; | |
| 197 | + } | |
| 198 | + function HTForm($item,$data) { //places $data into form $item | |
| 199 | + return "<form name=\"".$item."\" method=\"post\">\n".$data."</form>\n"; | |
| 200 | + } | |
| 201 | + function HTTable($value) { //places $value into TABLE | |
| 202 | + return "<table width=\"96%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n".$value."</table>\n"; | |
| 203 | + } | |
| 204 | + function HTTR($value) { //places $value into TR | |
| 205 | + $this->SRotate(); | |
| 206 | + return "<tr>\n".$value."</tr>\n"; | |
| 207 | + } | |
| 208 | + function HTTD($value) { // places $value into TD | |
| 209 | + return "<td bgcolor=\"".$this->color."\">".$value."</td>\n"; | |
| 210 | + } | |
| 211 | + function HTInput($field,$value) { //returns TD input field | |
| 212 | + $Olen=strlen($value); | |
| 213 | + if($Olen<3) { | |
| 214 | + $Ilen=12; | |
| 215 | + } else { | |
| 216 | + $Ilen=$Olen; | |
| 217 | + } | |
| 218 | + return "<td bgcolor=\"".$this->color."\"><input name=\"".$field."\" type=\"text\" id=\"".$field."\" value=\"".$value."\" size=\"".$Ilen."\"></td>\n"; | |
| 219 | + } | |
| 220 | + function HTButton($value) { // returns "$value" button | |
| 221 | + return "<td><input name=\"".$value."\" type=\"submit\" id=\"".$value."\" value=\"".$value."\"></td>\n"; | |
| 222 | + } | |
| 223 | + function SRotate() { //rotating colors for more readability of tables | |
| 224 | + if($this->color=="#FFFFFF") { | |
| 225 | + $this->color="#CCEEFF"; | |
| 226 | + } else { | |
| 227 | + $this->color="#FFFFFF"; | |
| 228 | + } | |
| 229 | + } | |
| 230 | +} | |
| 231 | +?> | ... | ... |