js/db_structure.js

   1 /* vim: set expandtab sw=4 ts=4 sts=4: */
   2 /**
   3  * @fileoverview    functions used on the database structure page
   4  * @name            Database Structure
   5  *
   6  * @requires    jQuery
   7  * @requires    jQueryUI
   8  * @required    js/functions.js
   9  */
  10
  11 /**
  12  * AJAX scripts for db_structure.php
  13  *
  14  * Actions ajaxified here:
  15  * Drop Database
  16  * Truncate Table
  17  * Drop Table
  18  *
  19  */
  20
  21 /**
  22  * Adjust number of rows and total size in the summary
  23  * when emptying or dropping a table
  24  *
  25  * @param jQuery object     $this_anchor
  26  */
  27 function PMA_adjustTotals($this_anchor) {
  28     var $parent_tr = $this_anchor.closest('tr');
  29     var $rows_td = $parent_tr.find('.tbl_rows');
  30     var $size_td = $parent_tr.find('.tbl_size');
  31     var num_rows = parseInt($rows_td.text());
  32     // set number of rows to 0
  33     // (not really needed in case we are dropping the table)
  34     $rows_td.text('0');
  35     // set size to unknown (not sure how to get the exact
  36     // value here, as an empty InnoDB table would have a size)
  37     $size_td.text('-');
  38
  39     // try to compute a new total row number
  40     if (! isNaN(num_rows)) {
  41         $total_rows_td = $('#tbl_summary_row').find('.tbl_rows');
  42         var total_rows = parseInt($total_rows_td.text());
  43         if (! isNaN(total_rows)) {
  44             $total_rows_td.text(total_rows - num_rows);
  45         }
  46     }
  47
  48     // prefix total size with "~"
  49     var $total_size_td = $('#tbl_summary_row').find('.tbl_size');
  50     $total_size_td.text($total_size_td.text().replace(/^/,'~'));
  51 }
  52
  53 $(document).ready(function() {
  54
  55     /**
  56      * Ajax Event handler for 'Truncate Table'
  57      *
  58      * @uses    $.PMA_confirm()
  59      * @uses    PMA_ajaxShowMessage()
  60      */
  61     $(".truncate_table_anchor").live('click', function(event) {
  62         event.preventDefault();
  63
  64         /**
  65          * @var $this_anchor Object  referring to the anchor clicked
  66          */
  67         var $this_anchor = $(this);
  68
  69         //extract current table name and build the question string
  70         /**
  71          * @var curr_table_name String containing the name of the table to be truncated
  72          */
  73         var curr_table_name = $this_anchor.parents('tr').children('th').children('a').text();
  74         /**
  75          * @var question    String containing the question to be asked for confirmation
  76          */
  77         var question = 'TRUNCATE ' + curr_table_name;
  78
  79         $this_anchor.PMA_confirm(question, $this_anchor.attr('href'), function(url) {
  80
  81             PMA_ajaxShowMessage(PMA_messages['strProcessingRequest']);
  82
  83             $.get(url, {'is_js_confirmed' : 1, 'ajax_request' : true}, function(data) {
  84                 if (data.success == true) {
  85                     PMA_ajaxShowMessage(data.message);
  86                     //Fetch inner span of this anchor
  87                     //and replace the icon with its disabled version
  88                     var span = $this_anchor.html().replace(/b_empty.png/, 'bd_empty.png');
  89                     PMA_adjustTotals($this_anchor);
  90
  91                     //To disable further attempts to truncate the table,
  92                     //replace the a element with its inner span (modified)
  93                     $this_anchor
  94                         .replaceWith(span)
  95                         .removeClass('truncate_table_anchor');
  96                 } else {
  97                     PMA_ajaxShowMessage(PMA_messages['strErrorProcessingRequest'] + " : " + data.error);
  98                 }
  99             }) // end $.get()
 100         }) //end $.PMA_confirm()
 101     }); //end of Truncate Table Ajax action
 102
 103     /**
 104      * Ajax Event handler for 'Drop Table'
 105      *
 106      * @uses    $.PMA_confirm()
 107      * @uses    PMA_ajaxShowMessage()
 108      */
 109     $(".drop_table_anchor").live('click', function(event) {
 110         event.preventDefault();
 111
 112         var $this_anchor = $(this);
 113
 114         //extract current table name and build the question string
 115         /**
 116          * @var $curr_row    Object containing reference to the current row
 117          */
 118         var $curr_row = $this_anchor.parents('tr');
 119         /**
 120          * @var curr_table_name String containing the name of the table to be truncated
 121          */
 122         var curr_table_name = $curr_row.children('th').children('a').text();
 123         /**
 124          * @var question    String containing the question to be asked for confirmation
 125          */
 126         var question = 'DROP TABLE ' + curr_table_name;
 127
 128         $this_anchor.PMA_confirm(question, $this_anchor.attr('href'), function(url) {
 129
 130             PMA_ajaxShowMessage(PMA_messages['strProcessingRequest']);
 131
 132             $.get(url, {'is_js_confirmed' : 1, 'ajax_request' : true}, function(data) {
 133                 if (data.success == true) {
 134                     PMA_ajaxShowMessage(data.message);
 135                     PMA_adjustTotals($this_anchor);
 136                     $curr_row.hide("medium").remove();
 137
 138                     if (window.parent && window.parent.frame_navigation) {
 139                         window.parent.frame_navigation.location.reload();
 140                     }
 141                 } else {
 142                     PMA_ajaxShowMessage(PMA_messages['strErrorProcessingRequest'] + " : " + data.error);
 143                 }
 144             }); // end $.get()
 145         }); // end $.PMA_confirm()
 146     }); //end of Drop Table Ajax action
 147
 148     /**
 149      * Ajax Event handler for 'Drop Event'
 150      *
 151      * @uses    $.PMA_confirm()
 152      * @uses    PMA_ajaxShowMessage()
 153      */
 154     $('.drop_event_anchor').live('click', function(event) {
 155         event.preventDefault();
 156
 157         /**
 158          * @var curr_event_row  Object reference to current event's row
 159          */
 160         var curr_event_row = $(this).parents('tr');
 161         /**
 162          * @var curr_event_name String containing the name of {@link curr_event_row}
 163          */
 164         var curr_event_name = $(curr_event_row).children('td:first').text();
 165         /**
 166          * @var question    String containing the question to be asked for confirmation
 167          */
 168         var question = 'DROP EVENT ' + curr_event_name;
 169
 170         $(this).PMA_confirm(question, $(this).attr('href') , function(url) {
 171
 172             PMA_ajaxShowMessage(PMA_messages['strDroppingEvent']);
 173
 174             $.get(url, {'is_js_confirmed': 1, 'ajax_request': true}, function(data) {
 175                 if(data.success == true) {
 176                     PMA_ajaxShowMessage(data.message);
 177                     $(curr_event_row).hide("medium").remove();
 178                 }
 179                 else {
 180                     PMA_ajaxShowMessage(PMA_messages['strErrorProcessingRequest'] + " : " + data.error);
 181                 }
 182             }) // end $.get()
 183         }) // end $.PMA_confirm()
 184     }) //end Drop Event
 185
 186     /**
 187      * Ajax Event handler for 'Drop Procedure'
 188      *
 189      * @uses    $.PMA_confirm()
 190      * @uses    PMA_ajaxShowMessage()
 191      */
 192     $('.drop_procedure_anchor').live('click', function(event) {
 193         event.preventDefault();
 194
 195         /**
 196          * @var curr_proc_row   Object containing reference to the current procedure's row
 197          */
 198         var curr_proc_row = $(this).parents('tr');
 199         /**
 200          * @var question    String containing the question to be asked for confirmation
 201          */
 202         var question = $(curr_proc_row).children('.drop_procedure_sql').val();
 203
 204         $(this).PMA_confirm(question, $(this).attr('href'), function(url) {
 205
 206             PMA_ajaxShowMessage(PMA_messages['strDroppingProcedure']);
 207
 208             $.get(url, {'is_js_confirmed': 1, 'ajax_request': true}, function(data) {
 209                 if(data.success == true) {
 210                     PMA_ajaxShowMessage(data.message);
 211                     $(curr_event_row).hide("medium").remove();
 212                 }
 213                 else {
 214                     PMA_ajaxShowMessage(PMA_messages['strErrorProcessingRequest'] + " : " + data.error);
 215                 }
 216             }) // end $.get()
 217         }) // end $.PMA_confirm()
 218     }) //end Drop Procedure
 219
 220     $('.drop_tracking_anchor').live('click', function(event) {
 221         event.preventDefault();
 222
 223         /**
 224          * @var curr_tracking_row   Object containing reference to the current tracked table's row
 225          */
 226         var curr_tracking_row = $(this).parents('tr');
 227          /**
 228          * @var question    String containing the question to be asked for confirmation
 229          */
 230         var question = PMA_messages['strDeleteTrackingData'];
 231
 232         $(this).PMA_confirm(question, $(this).attr('href'), function(url) {
 233
 234             PMA_ajaxShowMessage(PMA_messages['strDeletingTrackingData']);
 235
 236             $.get(url, {'is_js_confirmed': 1, 'ajax_request': true}, function(data) {
 237                 if(data.success == true) {
 238                     PMA_ajaxShowMessage(data.message);
 239                     $(curr_tracking_row).hide("medium").remove();
 240                 }
 241                 else {
 242                     PMA_ajaxShowMessage(PMA_messages['strErrorProcessingRequest'] + " : " + data.error);
 243                 }
 244             }) // end $.get()
 245         }) // end $.PMA_confirm()
 246     }) //end Drop Tracking
 247
 248     //Calculate Real End for InnoDB
 249     /**
 250      * Ajax Event handler for calculatig the real end for a InnoDB table
 251      *
 252      * @uses    $.PMA_confirm
 253      */
 254     $('#real_end_input').live('click', function(event) {
 255         event.preventDefault();
 256
 257         /**
 258          * @var question    String containing the question to be asked for confirmation
 259          */
 260         var question = PMA_messages['strOperationTakesLongTime'];
 261
 262         $(this).PMA_confirm(question, '', function() {
 263             return true;
 264         })
 265         return false;
 266     }) //end Calculate Real End for InnoDB
 267
 268 }, 'top.frame_content'); // end $(document).ready()