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Grid edit: one query to save all edited cells at once

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This commit is contained in:
Aris Feryanto 2011-07-27 17:43:13 +08:00
parent b81acce4c9
commit 92385de0fe
1 changed files with 183 additions and 161 deletions
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344
js/makegrid.js
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@ -814,168 +814,190 @@
* Post the content of edited cell.
*/
postEditedCell: function() {
$('.to_be_saved').each(function() {
/**
* @var $this_field Object referring to the td that is being edited
*/
var $this_field = $(this);
// remove the to_be_saved class
$this_field.removeClass('to_be_saved');
var $test_element = ''; // to test the presence of a element
// Initialize variables
var where_clause = $this_field.parent('tr').find('.where_clause').val();
/**
* @var nonunique Boolean, whether this row is unique or not
*/
var nonunique = $this_field.is('.nonunique') ? 0 : 1;
/**
* @var relation_fields Array containing the name/value pairs of relational fields
*/
var relation_fields = {};
/**
* @var relational_display string 'K' if relational key, 'D' if relational display column
*/
var relational_display = $("#relational_display_K").attr('checked') ? 'K' : 'D';
/**
* @var transform_fields Array containing the name/value pairs for transformed fields
*/
var transform_fields = {};
/**
* @var transformation_fields Boolean, if there are any transformed fields in this row
*/
var transformation_fields = false;
/**
* @var sql_query String containing the SQL query to update this row
*/
var sql_query = 'UPDATE `' + window.parent.table + '` SET ';
var new_clause = '';
/**
* @var field_name String containing the name of this field.
* @see getFieldName()
*/
var field_name = getFieldName($this_field);
/**
* @var this_field_params Array temporary storage for the name/value of current field
*/
var this_field_params = {};
if($this_field.is('.transformed')) {
transformation_fields = true;
}
/**
* @var is_null String capturing whether 'checkbox_null_<field_name>_<row_index>' is checked.
*/
var is_null = $this_field.data('value') == null;
var value;
var addQuotes = true;
if (is_null) {
sql_query += ' `' + field_name + "`=NULL , ";
} else {
this_field_params[field_name] = $this_field.data('value');
if($this_field.is(":not(.relation, .enum, .set, .bit)")) {
if($this_field.is('.transformed')) {
$.extend(transform_fields, this_field_params);
}
} else if ($this_field.is('.bit')) {
addQuotes = false;
} else if($this_field.is('.relation')) {
$.extend(relation_fields, this_field_params);
}
if (where_clause.indexOf(field_name) > -1) {
new_clause += '`' + window.parent.table + '`.' + '`' + field_name + "` = '" + this_field_params[field_name].replace(/'/g,"''") + "'" + ' AND ';
}
if (addQuotes == true) {
sql_query += ' `' + field_name + "`='" + this_field_params[field_name].replace(/'/g, "''") + "', ";
} else {
sql_query += ' `' + field_name + "`=" + this_field_params[field_name].replace(/'/g, "''") + ", ";
}
}
/*
* update the where_clause, remove the last appended ' AND '
* */
//Remove the last ',' appended in the above loop
sql_query = sql_query.replace(/,\s$/, '');
//Fix non-escaped backslashes
sql_query = sql_query.replace(/\\/g, '\\\\');
new_clause = new_clause.substring(0, new_clause.length-5);
new_clause = PMA_urlencode(new_clause);
sql_query += ' WHERE ' + PMA_urldecode(where_clause);
// Avoid updating more than one row in case there is no primary key
// (happened only for duplicate rows)
sql_query += ' LIMIT 1';
/**
* @var rel_fields_list String, url encoded representation of {@link relations_fields}
*/
var rel_fields_list = $.param(relation_fields);
/**
* @var transform_fields_list String, url encoded representation of {@link transform_fields}
*/
var transform_fields_list = $.param(transform_fields);
// Make the Ajax post after setting all parameters
/**
* @var post_params Object containing parameters for the POST request
*/
var post_params = {'ajax_request' : true,
'sql_query' : sql_query,
'token' : window.parent.token,
'server' : window.parent.server,
'db' : window.parent.db,
'table' : window.parent.table,
'clause_is_unique' : nonunique,
'where_clause' : where_clause,
'rel_fields_list' : rel_fields_list,
'do_transformations' : transformation_fields,
'transform_fields_list' : transform_fields_list,
'relational_display' : relational_display,
'goto' : 'sql.php',
'submit_type' : 'save'
};
$(g.cEdit).find('*').attr('disabled', true);
var $editArea = $(g.cEdit).find('.edit_area');
$editArea.addClass('edit_area_posting');
$.ajax({
type: 'POST',
url: 'tbl_replace.php',
data: post_params,
context: $this_field[0],
success:
function(data) {
$editArea.removeClass('edit_area_posting');
if(data.success == true) {
PMA_ajaxShowMessage(data.message);
if (new_clause != '') {
$this_field.parent('tr').find('.where_clause').attr('value', new_clause);
}
// remove possible previous feedback message
$('#result_query').remove();
if (typeof data.sql_query != 'undefined') {
// display feedback
$('#sqlqueryresults').prepend(data.sql_query);
}
g.hideEditCell(true, data, this);
} else {
PMA_ajaxShowMessage(data.error);
}
}
}) // end $.post()
}); // end of $('to_be_saved').each()
/**
* @var relation_fields Array containing the name/value pairs of relational fields
*/
var relation_fields = {};
/**
* @var relational_display string 'K' if relational key, 'D' if relational display column
*/
var relational_display = $("#relational_display_K").attr('checked') ? 'K' : 'D';
/**
* @var transform_fields Array containing the name/value pairs for transformed fields
*/
var transform_fields = {};
/**
* @var transformation_fields Boolean, if there are any transformed fields in the edited cells
*/
var transformation_fields = false;
/**
* @var full_sql_query String containing the complete SQL query to update this table
*/
var full_sql_query = '';
/**
* @var rel_fields_list String, url encoded representation of {@link relations_fields}
*/
var rel_fields_list = '';
/**
* @var transform_fields_list String, url encoded representation of {@link transform_fields}
*/
var transform_fields_list = '';
/**
* @var where_clause Array containing where clause for updated fields
*/
var full_where_clause = Array();
/**
* @var nonunique Boolean, whether the rows in this table is unique or not
*/
var nonunique = $('.to_be_saved').is('.nonunique') ? 0 : 1;
/**
* multi edit variables
*/
var me_fields_name = Array();
var me_fields = Array();
$('.save_edited').hide();
// loop each edited row
$('.to_be_saved').parents('tr').each(function() {
var where_clause = $(this).find('.where_clause').val();
full_where_clause.push(unescape(where_clause.replace(/[+]/g, ' ')));
var new_clause = '';
/**
* multi edit variables, for current row
* @TODO array indices are still not correct, they should be md5 of field's name
*/
var fields_name = Array();
var fields = Array();
// loop each edited cell in a row
$(this).find('.to_be_saved').each(function() {
/**
* @var $this_field Object referring to the td that is being edited
*/
var $this_field = $(this);
var $test_element = ''; // to test the presence of a element
/**
* @var field_name String containing the name of this field.
* @see getFieldName()
*/
var field_name = getFieldName($this_field);
/**
* @var this_field_params Array temporary storage for the name/value of current field
*/
var this_field_params = {};
if($this_field.is('.transformed')) {
transformation_fields = true;
}
/**
* @var is_null String capturing whether 'checkbox_null_<field_name>_<row_index>' is checked.
*/
var is_null = $this_field.data('value') == null;
var value;
var addQuotes = true;
fields_name.push(field_name);
fields.push($this_field.data('value'));
if (!is_null) {
this_field_params[field_name] = $this_field.data('value');
if($this_field.is(":not(.relation, .enum, .set, .bit)")) {
if($this_field.is('.transformed')) {
$.extend(transform_fields, this_field_params);
}
} else if ($this_field.is('.bit')) {
addQuotes = false;
} else if($this_field.is('.relation')) {
$.extend(relation_fields, this_field_params);
}
if (where_clause.indexOf(field_name) > -1) {
new_clause += '`' + window.parent.table + '`.' + '`' + field_name + "` = '" + this_field_params[field_name].replace(/'/g,"''") + "'" + ' AND ';
}
}
/*
* update the where_clause, remove the last appended ' AND '
* */
// prepare and save new_clause
new_clause = new_clause.substring(0, new_clause.length-5);
new_clause = PMA_urlencode(new_clause);
$this_field.parent('tr').data('new_clause', new_clause);
rel_fields_list += $.param(relation_fields) + '&';
transform_fields_list += $.param(transform_fields) + '&';
}); // end of loop for every edited cells in a row
me_fields_name.push(fields_name);
me_fields.push(fields);
}); // end of loop for every edited rows
// Make the Ajax post after setting all parameters
/**
* @var post_params Object containing parameters for the POST request
*/
var post_params = {'ajax_request' : true,
'sql_query' : full_sql_query,
'token' : window.parent.token,
'server' : window.parent.server,
'db' : window.parent.db,
'table' : window.parent.table,
'clause_is_unique' : nonunique,
'where_clause' : full_where_clause,
'fields[multi_edit]' : me_fields,
'fields_name[multi_edit]' : me_fields_name,
'rel_fields_list' : rel_fields_list,
'do_transformations' : transformation_fields,
'transform_fields_list' : transform_fields_list,
'relational_display' : relational_display,
'goto' : 'sql.php',
'submit_type' : 'save'
};
$(g.cEdit).find('*').attr('disabled', true);
var $editArea = $(g.cEdit).find('.edit_area');
$editArea.addClass('edit_area_posting');
$.ajax({
type: 'POST',
url: 'tbl_replace.php',
data: post_params,
context: $this_field[0],
success:
function(data) {
$editArea.removeClass('edit_area_posting');
if(data.success == true) {
PMA_ajaxShowMessage(data.message);
$('.to_be_saved').each(function() {
var new_clause = $(this).parent('tr').data('new_clause');
if (new_clause != '') {
$(this).parent('tr').find('.where_clause').attr('value', new_clause);
}
});
// remove possible previous feedback message
$('#result_query').remove();
if (typeof data.sql_query != 'undefined') {
// display feedback
$('#sqlqueryresults').prepend(data.sql_query);
}
g.hideEditCell(true, data, this);
// remove the "Save edited cells" button
$('.save_edited').hide();
// remove the to_be_saved class
$('.to_be_saved').removeClass('to_be_saved');
g.isCellEdited = false;
} else {
PMA_ajaxShowMessage(data.error);
}
}
}) // end $.ajax()
},
// save edited cell, so it can be posted later