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Added ability for synchronizing databases among servers.

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Manual merge from branches/gsoc/zahra.
This commit is contained in:
Michal Čihař
2009-08-24 14:39:38 +00:00
parent 2fbe820b3d
commit 215b8fa174
72 changed files with 4024 additions and 42 deletions
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302
js/functions.js
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@@ -279,7 +279,309 @@ function checkSqlQuery(theForm)
return true;
} // end of the 'checkSqlQuery()' function
// Global variable row_class is set to even
var row_class = 'even';
/**
* Generates a row dynamically in the differences table displaying
* the complete statistics of difference in table like number of
* rows to be updated, number of rows to be inserted, number of
* columns to be added, number of columns to be removed, etc.
*
* @param index index of matching table
* @param update_size number of rows/column to be updated
* @param insert_size number of rows/coulmns to be inserted
* @param remove_size number of columns to be removed
* @param insert_index number of indexes to be inserted
* @param remove_index number of indexes to be removed
* @param img_obj image object
* @param table_name name of the table
*/
function showDetails(i, update_size, insert_size, remove_size, insert_index, remove_index, img_obj, table_name)
{
// The path of the image is split to facilitate comparison
var relative_path = (img_obj.src).split("themes/");
// The image source is changed when the showDetails function is called.
if (relative_path[1] == 'original/img/new_data_hovered.jpg') {
img_obj.src = "./themes/original/img/new_data_selected_hovered.jpg";
img_obj.alt = "Click to Unselect"; //only for IE browser
} else if (relative_path[1] == 'original/img/new_struct_hovered.jpg') {
img_obj.src = "./themes/original/img/new_struct_selected_hovered.jpg";
img_obj.alt = "Click to Unselect";
} else if (relative_path[1] == 'original/img/new_struct_selected_hovered.jpg') {
img_obj.src = "./themes/original/img/new_struct_hovered.jpg";
img_obj.alt = "Click to Select";
} else if (relative_path[1] == 'original/img/new_data_selected_hovered.jpg') {
img_obj.src = "./themes/original/img/new_data_hovered.jpg";
img_obj.alt = "Click to Select";
}
var div = document.getElementById("list");
var table = div.getElementsByTagName("table")[0];
var table_body = table.getElementsByTagName("tbody")[0];
//Global variable row_class is being used
if (row_class == 'even') {
row_class = 'odd';
} else {
row_class = 'even';
}
// If the red or green button against a table name is pressed then append a new row to show the details of differences of this table.
if ((relative_path[1] != 'original/img/new_struct_selected_hovered.jpg') && (relative_path[1] != 'original/img/new_data_selected_hovered.jpg')) {
var newRow = document.createElement("tr");
newRow.setAttribute("class", row_class);
newRow.className = row_class;
// Id assigned to this row element is same as the index of this table name in the matching_tables/source_tables_uncommon array
newRow.setAttribute("id" , i);
var table_name_cell = document.createElement("td");
table_name_cell.align = "center";
table_name_cell.innerHTML = table_name ;
newRow.appendChild(table_name_cell);
var create_table = document.createElement("td");
create_table.align = "center";
var add_cols = document.createElement("td");
add_cols.align = "center";
var remove_cols = document.createElement("td");
remove_cols.align = "center";
var alter_cols = document.createElement("td");
alter_cols.align = "center";
var add_index = document.createElement("td");
add_index.align = "center";
var delete_index = document.createElement("td");
delete_index.align = "center";
var update_rows = document.createElement("td");
update_rows.align = "center";
var insert_rows = document.createElement("td");
insert_rows.align = "center";
var tick_image = document.createElement("img");
tick_image.src = "./themes/original/img/s_success.png";
if (update_size == '' && insert_size == '' && remove_size == '') {
/**
This is the case when the table needs to be created in target database.
*/
create_table.appendChild(tick_image);
add_cols.innerHTML = "--";
remove_cols.innerHTML = "--";
alter_cols.innerHTML = "--";
delete_index.innerHTML = "--";
add_index.innerHTML = "--";
update_rows.innerHTML = "--";
insert_rows.innerHTML = "--";
newRow.appendChild(create_table);
newRow.appendChild(add_cols);
newRow.appendChild(remove_cols);
newRow.appendChild(alter_cols);
newRow.appendChild(delete_index);
newRow.appendChild(add_index);
newRow.appendChild(update_rows);
newRow.appendChild(insert_rows);
} else if (update_size == '' && remove_size == '') {
/**
This is the case when data difference is displayed in the
table which is present in source but absent from target database
*/
create_table.innerHTML = "--";
add_cols.innerHTML = "--";
remove_cols.innerHTML = "--";
alter_cols.innerHTML = "--";
add_index.innerHTML = "--";
delete_index.innerHTML = "--";
update_rows.innerHTML = "--";
insert_rows.innerHTML = insert_size;
newRow.appendChild(create_table);
newRow.appendChild(add_cols);
newRow.appendChild(remove_cols);
newRow.appendChild(alter_cols);
newRow.appendChild(delete_index);
newRow.appendChild(add_index);
newRow.appendChild(update_rows);
newRow.appendChild(insert_rows);
} else if (remove_size == '') {
/**
This is the case when data difference between matching_tables is displayed.
*/
create_table.innerHTML = "--";
add_cols.innerHTML = "--";
remove_cols.innerHTML = "--";
alter_cols.innerHTML = "--";
add_index.innerHTML = "--";
delete_index.innerHTML = "--";
update_rows.innerHTML = update_size;
insert_rows.innerHTML = insert_size;
newRow.appendChild(create_table);
newRow.appendChild(add_cols);
newRow.appendChild(remove_cols);
newRow.appendChild(alter_cols);
newRow.appendChild(delete_index);
newRow.appendChild(add_index);
newRow.appendChild(update_rows);
newRow.appendChild(insert_rows);
} else {
/**
This is the case when structure difference between matching_tables id displayed
*/
create_table.innerHTML = "--";
add_cols.innerHTML = insert_size;
remove_cols.innerHTML = remove_size;
alter_cols.innerHTML = update_size;
delete_index.innerHTML = remove_index;
add_index.innerHTML = insert_index;
update_rows.innerHTML = "--";
insert_rows.innerHTML = "--";
newRow.appendChild(create_table);
newRow.appendChild(add_cols);
newRow.appendChild(remove_cols);
newRow.appendChild(alter_cols);
newRow.appendChild(delete_index);
newRow.appendChild(add_index);
newRow.appendChild(update_rows);
newRow.appendChild(insert_rows);
}
table_body.appendChild(newRow);
} else if ((relative_path[1] != 'original/img/new_struct_hovered.jpg') && (relative_path[1] != 'original/img/new_data_hovered.jpg')) {
//The case when the row showing the details need to be removed from the table i.e. the difference button is deselected now.
var table_rows = table_body.getElementsByTagName("tr");
var j;
var index;
for (j=0; j < table_rows.length; j++)
{
if (table_rows[j].id == i) {
index = j;
table_rows[j].parentNode.removeChild(table_rows[j]);
}
}
//The table row css is being adjusted. Class "odd" for odd rows and "even" for even rows should be maintained.
for(index; index < table_rows.length; index++)
{
row_class_element = table_rows[index].getAttribute('class');
if (row_class_element == "even") {
table_rows[index].setAttribute("class","odd"); // for Mozilla firefox
table_rows[index].className = "odd"; // for IE browser
} else {
table_rows[index].setAttribute("class","even"); // for Mozilla firefox
table_rows[index].className = "even"; // for IE browser
}
}
}
}
/**
* Changes the image on hover effects
*
* @param img_obj the image object whose source needs to be changed
*
*/
function change_Image(img_obj)
{
var relative_path = (img_obj.src).split("themes/");
if (relative_path[1] == 'original/img/new_data.jpg') {
img_obj.src = "./themes/original/img/new_data_hovered.jpg";
} else if (relative_path[1] == 'original/img/new_struct.jpg') {
img_obj.src = "./themes/original/img/new_struct_hovered.jpg";
} else if (relative_path[1] == 'original/img/new_struct_hovered.jpg') {
img_obj.src = "./themes/original/img/new_struct.jpg";
} else if (relative_path[1] == 'original/img/new_data_hovered.jpg') {
img_obj.src = "./themes/original/img/new_data.jpg";
} else if (relative_path[1] == 'original/img/new_data_selected.jpg') {
img_obj.src = "./themes/original/img/new_data_selected_hovered.jpg";
} else if(relative_path[1] == 'original/img/new_struct_selected.jpg') {
img_obj.src = "./themes/original/img/new_struct_selected_hovered.jpg";
} else if (relative_path[1] == 'original/img/new_struct_selected_hovered.jpg') {
img_obj.src = "./themes/original/img/new_struct_selected.jpg";
} else if (relative_path[1] == 'original/img/new_data_selected_hovered.jpg') {
img_obj.src = "./themes/original/img/new_data_selected.jpg";
}
}
/**
* Generates the URL containing the list of selected table ids for synchronization and
* a variable checked for confirmation of deleting previous rows from target tables
*
* @param token the token generated for each PMA form
*
*/
function ApplySelectedChanges(token)
{
var div = document.getElementById("list");
var table = div.getElementsByTagName('table')[0];
var table_body = table.getElementsByTagName('tbody')[0];
// Get all the rows from the details table
var table_rows = table_body.getElementsByTagName('tr');
var x = table_rows.length;
var i;
/**
Append the token at the beginning of the query string followed by
Table_ids that shows that "Apply Selected Changes" button is pressed
*/
var append_string = "?token="+token+"&Table_ids="+1;
for(i=0; i<x; i++){
append_string += "&";
append_string += i+"="+table_rows[i].id;
}
// Getting the value of checkbox delete_rows
var checkbox = document.getElementById("delete_rows");
if (checkbox.checked){
append_string += "&checked=true";
} else {
append_string += "&checked=false";
}
//Appending the token and list of table ids in the URL
location.href += token;
location.href += append_string;
}
/**
* Displays error message if any text field
* is left empty other than port field.
*
* @param string the form name
* @param object the form
*
* @return boolean whether the form field is empty or not
*/
function validateConnection(form_name, form_obj)
{
for (var i=1; i<form_name.elements.length; i++)
{
// All the text fields are checked excluding the port field because the default port can be used.
if ((form_name.elements[i].type == 'text') && (form_name.elements[i].name != 'src_port') && (form_name.elements[i].name != 'trg_port')) {
var check = emptyFormElements(form_obj, form_name.elements[i].name);
}
if (check === false) {
// alert('Password field can be empty.');
return false;
}
}
return true;
}
/**
* Check if a form's element is empty
* should be