/**
* This function will output the XML text for one statement
*/
function xmlOutput()
{
$o = '';
$o .= ' <STATEMENT NAME="' . $this->name . '" TYPE="' . xmldb_statement::getXMLDBStatementName($this->type) . '" TABLE="' . $this->table . '"';
if ($this->comment) {
$o .= ' COMMENT="' . htmlspecialchars($this->comment) . '"';
}
if ($this->previous) {
$o .= ' PREVIOUS="' . $this->previous . '"';
}
if ($this->next) {
$o .= ' NEXT="' . $this->next . '"';
}
if ($this->sentences) {
$o .= '>' . "\n";
$o .= ' <SENTENCES>' . "\n";
foreach ($this->sentences as $sentence) {
$o .= ' <SENTENCE TEXT="' . htmlspecialchars($sentence) . '" />' . "\n";
}
$o .= ' </SENTENCES>' . "\n";
$o .= ' </STATEMENT>' . "\n";
} else {
$o .= '/>' . "\n";
}
return $o;
}
/**
* Invoke method, every class will have its own
* returns true/false on completion, setting both
* errormsg and output as necessary
*/
function invoke()
{
parent::invoke();
$result = true;
/// Set own core attributes
$this->does_generate = ACTION_GENERATE_HTML;
/// These are always here
global $CFG, $XMLDB;
/// Do the job, setting result as needed
/// Get the dir containing the file
$dirpath = required_param('dir', PARAM_PATH);
$dirpath = $CFG->dirroot . $dirpath;
/// Get the correct dirs
if (!empty($XMLDB->dbdirs)) {
$dbdir =& $XMLDB->dbdirs[$dirpath];
} else {
return false;
}
if (!empty($XMLDB->editeddirs)) {
$editeddir =& $XMLDB->editeddirs[$dirpath];
$structure =& $editeddir->xml_file->getStructure();
}
/// ADD YOUR CODE HERE
$statementparam = optional_param('statement', NULL, PARAM_CLEAN);
/// If no statement, then we are coming for a new one. Look for
/// type and table and build the correct statementparam
if (!$statementparam) {
$typeparam = optional_param('type', NULL, PARAM_CLEAN);
$tableparam = optional_param('table', NULL, PARAM_CLEAN);
$typename = xmldb_statement::getXMLDBStatementName($typeparam);
$statementparam = trim(strtolower($typename . ' ' . $tableparam));
}
if (!($statement =& $structure->getStatement($statementparam))) {
/// Arriving here from a name change, looking for the new statement name
$statementname = required_param('name', PARAM_CLEAN);
$statement =& $structure->getStatement($statementparam);
}
$dbdir =& $XMLDB->dbdirs[$dirpath];
$origstructure =& $dbdir->xml_file->getStructure();
/// Add the main form
$o = '<form id="form" action="index.php" method="post">';
$o .= '<div>';
$o .= ' <input type="hidden" name ="dir" value="' . str_replace($CFG->dirroot, '', $dirpath) . '" />';
$o .= ' <input type="hidden" name ="statement" value="' . $statementparam . '" />';
$o .= ' <input type="hidden" name ="action" value="edit_statement_save" />';
$o .= ' <input type="hidden" name ="postaction" value="edit_statement" />';
$o .= ' <table id="formelements" class="boxaligncenter">';
$o .= ' <tr valign="top"><td>Name:</td><td><input type="hidden" name ="name" value="' . s($statement->getName()) . '" />' . s($statement->getName()) . '</td></tr>';
$o .= ' <tr valign="top"><td><label for="comment" accesskey="c">Comment:</label></td><td><textarea name="comment" rows="3" cols="80" id="comment">' . s($statement->getComment()) . '</textarea></td></tr>';
$o .= ' <tr valign="top"><td> </td><td><input type="submit" value="' . $this->str['change'] . '" /></td></tr>';
$o .= ' </table>';
$o .= '</div></form>';
/// Calculate the buttons
$b = ' <p class="centerpara buttons">';
/// The view original XML button
if ($origstructure->getStatement($statementparam)) {
$b .= ' <a href="index.php?action=view_statement_xml&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '&select=original&statement=' . $statementparam . '">[' . $this->str['vieworiginal'] . ']</a>';
} else {
$b .= ' [' . $this->str['vieworiginal'] . ']';
}
/// The view edited XML button
if ($statement->hasChanged()) {
$b .= ' <a href="index.php?action=view_statement_xml&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '&select=edited&statement=' . $statementparam . '">[' . $this->str['viewedited'] . ']</a>';
} else {
$b .= ' [' . $this->str['viewedited'] . ']';
}
/// The new sentence button
$b .= ' <a href="index.php?action=new_sentence&postaction=edit_sentence&statement=' . $statementparam . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['newsentence'] . ']</a>';
/// The back to edit xml file button
$b .= ' <a href="index.php?action=edit_xml_file&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['back'] . ']</a>';
$b .= '</p>';
$o .= $b;
/// Delete any 'changeme' sentence
///$statement->deleteSentence('changeme');
/// Add the fields list
$sentences =& $statement->getSentences();
if (!empty($sentences)) {
$o .= '<h3 class="main">' . $this->str['sentences'] . '</h3>';
$o .= '<table id="listfields" border="0" cellpadding="5" cellspacing="1" class="boxaligncenter flexible">';
$row = 0;
foreach ($sentences as $key => $sentence) {
/// Prepend some SQL
if ($statement->getType() == XMLDB_STATEMENT_INSERT) {
$p = 'INSERT INTO ' . $statement->getTable() . ' ';
} else {
$p = 'UNSUPPORTED SENTENCE TYPE ';
}
/// Calculate buttons
$b = '</td><td class="button cell">';
/// The edit button
$b .= '<a href="index.php?action=edit_sentence&sentence=' . $key . '&statement=' . urlencode($statement->getName()) . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['edit'] . ']</a>';
$b .= '</td><td class="button cell">';
/// The duplicate button
$b .= '<a href="index.php?action=new_sentence&postaction=edit_sentence&basesentence=' . $key . '&statement=' . urlencode($statement->getName()) . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['duplicate'] . ']</a>';
$b .= '</td><td class="button cell">';
/// The delete button
$b .= '<a href="index.php?action=delete_sentence&sentence=' . $key . '&statement=' . urlencode($statement->getName()) . '&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['delete'] . ']</a>';
$b .= '</td>';
/// Print table row
$o .= '<tr class="r' . $row . '"><td class="table cell">' . $p . $sentence . $b . '</tr>';
$row = ($row + 1) % 2;
}
$o .= '</table>';
}
$this->output = $o;
/// Launch postaction if exists (leave this here!)
if ($this->getPostAction() && $result) {
return $this->launch($this->getPostAction());
}
/// Return ok if arrived here
return $result;
}
/**
* Invoke method, every class will have its own
* returns true/false on completion, setting both
* errormsg and output as necessary
*/
function invoke()
{
parent::invoke();
$result = true;
/// Set own core attributes
$this->does_generate = ACTION_GENERATE_HTML;
/// These are always here
global $CFG, $XMLDB, $DB, $OUTPUT;
/// Do the job, setting result as needed
/// Get the dir containing the file
$dirpath = required_param('dir', PARAM_PATH);
$dirpath = $CFG->dirroot . $dirpath;
/// Get the correct dirs
if (!empty($XMLDB->dbdirs)) {
$dbdir =& $XMLDB->dbdirs[$dirpath];
} else {
return false;
}
if (!empty($XMLDB->editeddirs)) {
$editeddir =& $XMLDB->editeddirs[$dirpath];
$structure =& $editeddir->xml_file->getStructure();
}
/// ADD YOUR CODE HERE
$tableparam = optional_param('table', NULL, PARAM_CLEAN);
$typeparam = optional_param('type', NULL, PARAM_CLEAN);
/// If no table or type, show form
if (!$tableparam || !$typeparam) {
/// No postaction here
$this->postaction = NULL;
/// Get list of tables
$selecttables = $DB->get_tables();
/// Get list of statement types
$typeoptions = array(XMLDB_STATEMENT_INSERT => xmldb_statement::getXMLDBStatementName(XMLDB_STATEMENT_INSERT), XMLDB_STATEMENT_UPDATE => xmldb_statement::getXMLDBStatementName(XMLDB_STATEMENT_UPDATE), XMLDB_STATEMENT_DELETE => xmldb_statement::getXMLDBStatementName(XMLDB_STATEMENT_DELETE), XMLDB_STATEMENT_CUSTOM => xmldb_statement::getXMLDBStatementName(XMLDB_STATEMENT_CUSTOM));
if (!$selecttables) {
$this->errormsg = 'No tables available to create statements';
return false;
}
/// Now build the form
$o = '<form id="form" action="index.php" method="post">';
$o .= '<div>';
$o .= ' <input type="hidden" name ="dir" value="' . str_replace($CFG->dirroot, '', $dirpath) . '" />';
$o .= ' <input type="hidden" name ="action" value="new_statement" />';
$o .= ' <input type="hidden" name ="postaction" value="edit_statement" />';
$o .= ' <table id="formelements" class="boxaligncenter" cellpadding="5">';
$o .= ' <tr><td><label for="type" accesskey="t">' . $this->str['statementtype'] . ' </label>' . $OUTPUT->select(html_select::make($typeoptions, 'type')) . '<label for="table" accesskey="a">' . $this->str['statementtable'] . ' </label>' . $OUTPUT->select(html_select::make($selecttables, 'table')) . '</td></tr>';
$o .= ' <tr><td colspan="2" align="center"><input type="submit" value="' . $this->str['create'] . '" /></td></tr>';
$o .= ' <tr><td colspan="2" align="center"><a href="index.php?action=edit_xml_file&dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['back'] . ']</a></td></tr>';
$o .= ' </table>';
$o .= '</div></form>';
$this->output = $o;
/// If table, retrofit information and, if everything works,
/// go to the table edit action
} else {
/// Get some params (table is mandatory here)
$tableparam = required_param('table', PARAM_CLEAN);
$typeparam = required_param('type', PARAM_CLEAN);
/// Only insert is allowed :-/
if ($typeparam != XMLDB_STATEMENT_INSERT) {
$this->errormsg = 'Only insert of records is supported';
return false;
}
/// Calculate the name of the statement
$typename = xmldb_statement::getXMLDBStatementName($typeparam);
$name = trim(strtolower($typename . ' ' . $tableparam));
/// Check that this Statement hasn't been created before
if ($structure->getStatement($name)) {
$this->errormsg = 'The statement "' . $name . '" already exists, please use it to add more sentences';
return false;
}
/// Create one new xmldb_statement
$statement = new xmldb_statement($name);
$statement->setType($typeparam);
$statement->setTable($tableparam);
$statement->setComment('Initial ' . $typename . ' of records on table ' . $tableparam);
/// Finally, add the whole retroffited table to the structure
/// in the place specified
$structure->addStatement($statement);
}
/// Launch postaction if exists (leave this here!)
if ($this->getPostAction() && $result) {
return $this->launch($this->getPostAction());
}
/// Return ok if arrived here
return $result;
}