handling headers issue in schema export

handle_relation_schema.php

@@ -0,0 +1,48 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ *
+ * @version $Id$
+ * @package phpMyAdmin
+ */
+
+/**
+ * Gets some core libraries
+ */
+require_once './libraries/common.inc.php';
+require './libraries/StorageEngine.class.php';
+
+/**
+ * Includ settings for relation stuff
+ * get all variables needed for exporting relational schema 
+ * in $cfgRelation
+ */
+require_once './libraries/relation.lib.php';
+$cfgRelation = PMA_getRelationsParam();
+
+/**
+ * Settings for relation stuff
+ */
+require_once './libraries/transformations.lib.php';
+require_once './libraries/Index.class.php';
+
+/** 
+ * This is to avoid "Command out of sync" errors. Before switching this to
+ * a value of 0 (for MYSQLI_USE_RESULT), please check the logic
+ * to free results wherever needed.
+ */
+$query_default_option = PMA_DBI_QUERY_STORE;
+
+    /**
+     * get all the export options and verify
+     * call and include the appropriate Schema Class depending on $export_type
+     *  
+        /**
+         * default is PDF
+         */ 
+        global  $db,$export_type;
+        $export_type            = isset($export_type) ? $export_type : 'pdf';
+        PMA_DBI_select_db($db);
+
+        include("./libraries/schema/".ucfirst($export_type)."_Relation_Schema.class.php");
+        $obj_schema = eval("new PMA_".ucfirst($export_type)."_Relation_Schema();");

libraries/schema/Eps_Relation_Schema.class.php

@@ -335,9 +335,9 @@ class PMA_EPS
      */
     function showOutput($fileName)
     {
-         if(ob_get_clean()){
+        // if(ob_get_clean()){
-            ob_end_clean();
+            //ob_end_clean();
-        }
+        //}
         //header('Content-type: text/xml');
         header('Content-Disposition: attachment; filename="'.$fileName.'.eps"');
         $output = $this->stringCommands;

libraries/schema/Svg_Relation_Schema.class.php

@@ -172,7 +172,7 @@ class PMA_SVG extends XMLWriter
      */
     function showOutput($fileName)
     {
-        ob_get_clean();
+        //ob_get_clean();
         header('Content-type: image/svg+xml');
         header('Content-Disposition: attachment; filename="'.$fileName.'.svg"');
         $output = $this->flush();
@@ -349,7 +349,7 @@ class Table_Stats
      * @global array     The relations settings
      * @global string    The current db name
      * @access private
-     * @see PMA_PDF, Table_Stats::Table_Stats_setWidth,
+     * @see PMA_SVG, Table_Stats::Table_Stats_setWidth,
             Table_Stats::Table_Stats_setHeight
      */
     function __construct($tableName, $font, $fontSize, $pageNumber, &$same_wide_width, $showKeys = false, $showInfo = false)

libraries/schema/User_Schema.class.php

@@ -65,7 +65,7 @@ class PMA_User_Schema
             case 'edcoord':
                 $this->choosenPage = $_POST['chpage'];
                 $this->c_table_rows = $_POST['c_table_rows'];
-                $this->_editCoordinates($db, $cfgRelation);
+                $this->_editCoordinates($db, $cfgRelation,$query_default_option);
                 break;
             case 'deleteCrap':
                 $this->_deleteTableRows($delrow,$cfgRelation,$db,$this->choosenPage);
@@ -341,7 +341,7 @@ class PMA_User_Schema
     {
         global $cfg,$pmaThemeImage,$db,$test_rs,$chpage;
         ?>
-        <form method="post" action="export_relation_schema.php">
+        <form method="post" action="handle_relation_schema.php">
             <fieldset>
             <legend>
             <?php
@@ -775,7 +775,7 @@ class PMA_User_Schema
      * @return void
      * @access private
      */
-    private function _editCoordinates($db, $cfgRelation)
+    private function _editCoordinates($db, $cfgRelation,$query_default_option)
     {
         for ($i = 0; $i < $this->c_table_rows; $i++) {
             $arrvalue = 'c_table_' . $i;

libraries/schema/Visio_Relation_Schema.class.php

@@ -157,9 +157,9 @@ class PMA_VISIO extends XMLWriter
      */
     function showOutput($fileName)
     {
-         if(ob_get_clean()){
+         //if(ob_get_clean()){
-            ob_end_clean();
+            //ob_end_clean();
-        }
+        //}
         //header('Content-type: text/xml');
         header('Content-Disposition: attachment; filename="'.$fileName.'.vdx"');
         $output = $this->flush();
@@ -535,7 +535,6 @@ class PMA_Visio_Relation_Schema extends PMA_Export_Relation_Schema
         if ($seen_a_relation) {
             $this->_drawRelations($this->showColor);
         }
-        
         $visio->endVisioDoc();
         $visio->showOutput($db.'-'.$this->pageNumber);
         exit();
@@ -543,7 +542,6 @@ class PMA_Visio_Relation_Schema extends PMA_Export_Relation_Schema
         print_r(get_object_vars($visio));
         print_r(get_object_vars($this));
         print '</pre>';
-        
     }
 
     /**

libraries/tcpdf/tcpdf.php

@@ -2977,11 +2977,11 @@ if(!class_exists('TCPDF', false)) {
 			switch($dest) {
 				case 'I': {
 					//Send to standard output
-					//if(ob_get_contents()) {
+					if(ob_get_contents()) {
-					//	$this->Error('Some data has already been output, can\'t send PDF file');
+						$this->Error('Some data has already been output, can\'t send PDF file');
-					//}
+					}
-					ob_end_clean();
+					//ob_end_clean();
-					ob_start();
+					//ob_start();
 					if(php_sapi_name()!='cli') {
 						//We send to a browser
 						header('Content-Type: application/pdf');
@@ -2996,11 +2996,11 @@ if(!class_exists('TCPDF', false)) {
 				}
 				case 'D': {
 					//Download file
-				//	if(ob_get_contents()) {
+					if(ob_get_contents()) {
-					//	$this->Error(ob_get_contents().'Some data has already been output, can\'t send PDF file');
+						$this->Error(ob_get_contents().'Some data has already been output, can\'t send PDF file');
-					//}
+					}
-					ob_end_clean();
+					//ob_end_clean();
-					ob_start();
+					//ob_start();
 					if(isset($_SERVER['HTTP_USER_AGENT']) && strpos($_SERVER['HTTP_USER_AGENT'],'MSIE')) {
 						header('Content-Type: application/force-download');
 					} else {