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- New version of the CSV import wizard. First implementation...

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SVN:trunk[347]
This commit is contained in:
Denis Flaven
2010-04-20 09:16:54 +00:00
parent 23ee727fc5
commit 3f9a9424e9
2 changed files with 1144 additions and 678 deletions
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230
pages/ajax.csvimport.php Normal file
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<?php
require_once('../application/application.inc.php');
require_once('../application/webpage.class.inc.php');
require_once('../application/ajaxwebpage.class.inc.php');
require_once('../application/wizardhelper.class.inc.php');
require_once('../application/ui.linkswidget.class.inc.php');
require_once('../application/csvpage.class.inc.php');
/**
* Helper function to build the mapping drop-down list for a field
*/
function GetMappingForField($sClassName, $sFieldName, $iFieldIndex)
{
$aChoices = array('' => '-- select one --');
$aChoices[':none:'] = '------ n/a ------';
$aChoices['id'] = 'id (Primary Key)';
foreach(MetaModel::ListAttributeDefs($sClassName) as $sAttCode => $oAttDef)
{
if ($oAttDef->IsExternalKey())
{
$aChoices[$sAttCode] = $oAttDef->GetLabel();
// Get fields of the external class that are considered as reconciliation keys
$sTargetClass = $oAttDef->GetTargetClass();
foreach(MetaModel::ListAttributeDefs($sTargetClass) as $sTargetAttCode => $oTargetAttDef)
{
if (MetaModel::IsReconcKey($sTargetClass, $sTargetAttCode))
{
$aChoices[$sAttCode.'->'.$sTargetAttCode] = $oAttDef->GetLabel().'->'.$oTargetAttDef->GetLabel();
}
}
}
else if ($oAttDef->IsWritable() && ($sAttCode != 'finalclass')) // finalclass should not be considered as 'writable' isn't it ?
{
$aChoices[$sAttCode] = $oAttDef->GetLabel();
}
}
asort($aChoices);
$sHtml = "<select id=\"mapping_{$iFieldIndex}\" name=\"field[$iFieldIndex]\">\n";
foreach($aChoices as $sAttCode => $sLabel)
{
$sSelected = '';
if ( ($sFieldName == $sAttCode) || ($sFieldName == $sLabel))
{
$sSelected = ' selected';
}
$sHtml .= "<option value=\"$sAttCode\"$sSelected>$sLabel</option>\n";
}
$sHtml .= "</select>\n";
return $sHtml;
}
require_once('../application/startup.inc.php');
session_start();
if (isset($_SESSION['auth_user']))
{
$sAuthUser = $_SESSION['auth_user'];
$sAuthPwd = $_SESSION['auth_pwd'];
// Attempt to login, fails silently
UserRights::Login($sAuthUser, $sAuthPwd);
}
else
{
// No session information
echo "<p>No session information</p>\n";
}
$oContext = new UserContext();
$sOperation = utils::ReadParam('operation', '');
switch($sOperation)
{
case 'parser_preview':
$oPage = new ajax_page("");
$oPage->no_cache();
$sSeparator = utils::ReadParam('separator', ',');
if ($sSeparator == 'tab') $sSeparator = "\t";
$sTextQualifier = utils::ReadParam('qualifier', '"');
$iLinesToSkip = utils::ReadParam('nb_lines_skipped', 0);
$bFirstLineAsHeader = utils::ReadParam('header_line', true);
$sData = stripslashes(utils::ReadParam('csvdata', true));
$oCSVParser = new CSVParser($sData, $sSeparator, $sTextQualifier);
$aData = $oCSVParser->ToArray($iLinesToSkip);
$iTarget = count($aData);
if ($iTarget == 0)
{
$oPage->p("Empty data set..., please provide some data!");
}
else
{
$sMaxLen = (strlen(''.$iTarget) < 3) ? 3 : strlen(''.$iTarget); // Pad line numbers to the appropriate number of chars, but at least 3
$sFormat = '%0'.$sMaxLen.'d';
$oPage->p("<h3>Data Preview</h3>\n");
$oPage->p("<div style=\"overflow-y:auto\">\n");
$oPage->add("<table cellspacing=\"0\" style=\"overflow-y:auto\">");
$iMaxIndex= 10; // Display maximum 10 lines for the preview
$index = 1;
foreach($aData as $aRow)
{
$sCSSClass = 'csv_row'.($index % 2);
if ( ($bFirstLineAsHeader) && ($index == 1))
{
$oPage->add("<tr class=\"$sCSSClass\"><td style=\"border-left:#999 3px solid;padding-right:10px;padding-left:10px;\">".sprintf($sFormat, $index)."</td><th>");
$oPage->add(implode('</th><th>', $aRow));
$oPage->add("</th></tr>\n");
$iNbCols = count($aRow);
}
else
{
if ($index == 1) $iNbCols = count($aRow);
$oPage->add("<tr class=\"$sCSSClass\"><td style=\"border-left:#999 3px solid;padding-right:10px;padding-left:10px;\">".sprintf($sFormat, $index)."</td><td>");
$oPage->add(implode('</td><td>', $aRow));
$oPage->add("</td></tr>\n");
}
$index++;
if ($index > $iMaxIndex) break;
}
$oPage->add("</table>\n");
$oPage->add("</div>\n");
if($iNbCols == 1)
{
$oPage->p('<img src="../images/error.png">&nbsp;Error: The data contains only one column. Did you select the appropriate separator character ?');
}
else
{
$oPage->p('&nbsp;');
}
}
break;
case 'display_mapping_form':
$oPage = new ajax_page("");
$oPage->no_cache();
$sSeparator = utils::ReadParam('separator', ',');
$sTextQualifier = utils::ReadParam('qualifier', '"');
$iLinesToSkip = utils::ReadParam('nb_lines_skipped', 0);
$bFirstLineAsHeader = utils::ReadParam('header_line', true);
$sData = stripslashes(utils::ReadParam('csvdata', true));
$sClassName = utils::ReadParam('class_name', '');
$oCSVParser = new CSVParser($sData, $sSeparator, $sTextQualifier);
$aData = $oCSVParser->ToArray($iLinesToSkip);
$iTarget = count($aData);
if ($iTarget == 0)
{
$oPage->p("Empty data set..., please provide some data!");
}
else
{
$oPage->add("<table>");
$index = 1;
$aFirstLine = $aData[0]; // Use the first row to determine the number of columns
$iStartLine = 0;
$iNbColumns = count($aFirstLine);
if ($bFirstLineAsHeader)
{ $iStartLine = 1;
foreach($aFirstLine as $sField)
{
$aHeader[] = $sField;
}
}
else
{
// Build some conventional name for the fields: field1...fieldn
$index= 1;
foreach($aFirstLine as $sField)
{
$aHeader[] = 'Field'+$index;
$index++;
}
}
$oPage->add("<table>\n");
$oPage->add('<tr>');
$oPage->add("<th>Fields</th><th>Mapping</th><th>&nbsp;</th><th>Search ?</th><th>Data line 1</th><th>Data line 2</th>");
$oPage->add('</tr>');
foreach($aHeader as $sField)
{
$oPage->add('<tr>');
$oPage->add("<th>$sField</th>");
$oPage->add('<td>'.GetMappingForField($sClassName, $sField, $index).'</td>');
$oPage->add('<td>&nbsp;</td>');
$oPage->add('<td><input id="search_'.$index.'" type="checkbox" name="search_field['.$index.']" value="1" /></td>');
$oPage->add('<td>'.(isset($aData[$iStartLine][$index]) ? htmlentities($aData[$iStartLine][$index-1]) : '&nbsp;').'</td>');
$oPage->add('<td>'.(isset($aData[$iStartLine+1][$index]) ? htmlentities($aData[$iStartLine+1][$index-1]) : '&nbsp;').'</td>');
$oPage->add('</tr>');
$index++;
}
$oPage->add("</table>\n");
}
break;
case 'get_csv_template':
$sClassName = utils::ReadParam('class_name');
$oSearch = new DBObjectSearch($sClassName);
$oSearch->AddCondition('id', 0); // Make sure we create an empty set
$oSet = new CMDBObjectSet($oSearch);
$sCSV = cmdbAbstractObject::GetSetAsCSV($oSet);
$aCSV = explode("\n", $sCSV);
// If there are more than one line, let's assume that the first line is a comment and skip it.
if (count($aCSV) > 1)
{
$sResult = $aCSV[1];
}
else
{
$sResult = $sCSV;
}
$sClassDisplayName = MetaModel::GetName($sClassName);
$sDisposition = utils::ReadParam('disposition', 'inline');
if ($sDisposition == 'attachment')
{
$oPage = new CSVPage("");
$oPage->add_header("Content-disposition: attachment; filename=\"{$sClassDisplayName}.csv\"");
$oPage->no_cache();
$oPage->add($sResult);
}
else
{
$oPage = new ajax_page("");
$oPage->no_cache();
$oPage->add('<p style="text-align:center"><a style="text-decoration:none" href="../pages/ajax.csvimport?operation=get_csv_template&disposition=attachment&class_name='.$sClassName.'"><img border="0" src="../images/csv.png"><br/>'.$sClassDisplayName.'.csv</a></p>');
$oPage->add('<p><textarea rows="5" cols="100">'.$sResult.'</textarea></p>');
}
break;
}
$oPage->output();
?>