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      * @see     $cfg['AjaxEnable']
  61      */
  62     $(".truncate_table_anchor").live('click', function(event) {
  63         event.preventDefault();
  64
  65         /**
  66          * @var $this_anchor Object  referring to the anchor clicked
  67          */
  68         var $this_anchor = $(this);
  69
  70         //extract current table name and build the question string
  71         /**
  72          * @var curr_table_name String containing the name of the table to be truncated
  73          */
  74         var curr_table_name = $this_anchor.parents('tr').children('th').children('a').text();
  75         /**
  76          * @var question    String containing the question to be asked for confirmation
  77          */
  78         var question = 'TRUNCATE ' + curr_table_name;
  79
  80         $this_anchor.PMA_confirm(question, $this_anchor.attr('href'), function(url) {
  81
  82             PMA_ajaxShowMessage(PMA_messages['strProcessingRequest']);
  83
  84             $.get(url, {'is_js_confirmed' : 1, 'ajax_request' : true}, function(data) {
  85                 if (data.success == true) {
  86                     PMA_ajaxShowMessage(data.message);
  87                     //Fetch inner span of this anchor
  88                     //and replace the icon with its disabled version
  89                     var span = $this_anchor.html().replace(/b_empty.png/, 'bd_empty.png');
  90                     PMA_adjustTotals($this_anchor);
  91
  92                     //To disable further attempts to truncate the table,
  93                     //replace the a element with its inner span (modified)
  94                     $this_anchor
  95                         .replaceWith(span)
  96                         .removeClass('truncate_table_anchor');
  97                 } else {
  98                     PMA_ajaxShowMessage(PMA_messages['strErrorProcessingRequest'] + " : " + data.error);
  99                 }
 100             }) // end $.get()
 101         }) //end $.PMA_confirm()
 102     }); //end of Truncate Table Ajax action
 103
 104     /**
 105      * Ajax Event handler for 'Drop Table'
 106      *
 107      * @uses    $.PMA_confirm()
 108      * @uses    PMA_ajaxShowMessage()
 109      * @see     $cfg['AjaxEnable']
 110      */
 111     $(".drop_table_anchor").live('click', function(event) {
 112         event.preventDefault();
 113
 114         var $this_anchor = $(this);
 115
 116         //extract current table name and build the question string
 117         /**
 118          * @var $curr_row    Object containing reference to the current row
 119          */
 120         var $curr_row = $this_anchor.parents('tr');
 121         /**
 122          * @var curr_table_name String containing the name of the table to be truncated
 123          */
 124         var curr_table_name = $curr_row.children('th').children('a').text();
 125         /**
 126          * @var question    String containing the question to be asked for confirmation
 127          */
 128         var question = 'DROP TABLE ' + curr_table_name;
 129
 130         $this_anchor.PMA_confirm(question, $this_anchor.attr('href'), function(url) {
 131
 132             PMA_ajaxShowMessage(PMA_messages['strProcessingRequest']);
 133
 134             $.get(url, {'is_js_confirmed' : 1, 'ajax_request' : true}, function(data) {
 135                 if (data.success == true) {
 136                     PMA_ajaxShowMessage(data.message);
 137                     PMA_adjustTotals($this_anchor);
 138                     $curr_row.hide("medium").remove();
 139
 140                     if (window.parent && window.parent.frame_navigation) {
 141                         window.parent.frame_navigation.location.reload();
 142                     }
 143                 } else {
 144                     PMA_ajaxShowMessage(PMA_messages['strErrorProcessingRequest'] + " : " + data.error);
 145                 }
 146             }); // end $.get()
 147         }); // end $.PMA_confirm()
 148     }); //end of Drop Table Ajax action
 149
 150     /**
 151      * Ajax Event handler for 'Drop Event'
 152      *
 153      * @uses    $.PMA_confirm()
 154      * @uses    PMA_ajaxShowMessage()
 155      * @see     $cfg['AjaxEnable']
 156      */
 157     $('.drop_event_anchor').live('click', function(event) {
 158         event.preventDefault();
 159
 160         /**
 161          * @var curr_event_row  Object reference to current event's row
 162          */
 163         var curr_event_row = $(this).parents('tr');
 164         /**
 165          * @var curr_event_name String containing the name of {@link curr_event_row}
 166          */
 167         var curr_event_name = $(curr_event_row).children('td:first').text();
 168         /**
 169          * @var question    String containing the question to be asked for confirmation
 170          */
 171         var question = 'DROP EVENT ' + curr_event_name;
 172
 173         $(this).PMA_confirm(question, $(this).attr('href') , function(url) {
 174
 175             PMA_ajaxShowMessage(PMA_messages['strDroppingEvent']);
 176
 177             $.get(url, {'is_js_confirmed': 1, 'ajax_request': true}, function(data) {
 178                 if(data.success == true) {
 179                     PMA_ajaxShowMessage(data.message);
 180                     $(curr_event_row).hide("medium").remove();
 181                 }
 182                 else {
 183                     PMA_ajaxShowMessage(PMA_messages['strErrorProcessingRequest'] + " : " + data.error);
 184                 }
 185             }) // end $.get()
 186         }) // end $.PMA_confirm()
 187     }) //end Drop Event
 188
 189     /**
 190      * Ajax Event handler for 'Drop Procedure'
 191      *
 192      * @uses    $.PMA_confirm()
 193      * @uses    PMA_ajaxShowMessage()
 194      * @see     $cfg['AjaxEnable']
 195      */
 196     $('.drop_procedure_anchor').live('click', function(event) {
 197         event.preventDefault();
 198
 199         /**
 200          * @var curr_proc_row   Object containing reference to the current procedure's row
 201          */
 202         var curr_proc_row = $(this).parents('tr');
 203         /**
 204          * @var question    String containing the question to be asked for confirmation
 205          */
 206         var question = $(curr_proc_row).children('td').children('.drop_procedure_sql').val();
 207
 208         $(this).PMA_confirm(question, $(this).attr('href'), function(url) {
 209
 210             PMA_ajaxShowMessage(PMA_messages['strDroppingProcedure']);
 211
 212             $.get(url, {'is_js_confirmed': 1, 'ajax_request': true}, function(data) {
 213                 if(data.success == true) {
 214                     PMA_ajaxShowMessage(data.message);
 215                     $(curr_event_row).hide("medium").remove();
 216                 }
 217                 else {
 218                     PMA_ajaxShowMessage(PMA_messages['strErrorProcessingRequest'] + " : " + data.error);
 219                 }
 220             }) // end $.get()
 221         }) // end $.PMA_confirm()
 222     }) //end Drop Procedure
 223
 224     /**
 225      * Ajax Event handler for 'Drop tracking'
 226      *
 227      * @uses    $.PMA_confirm()
 228      * @uses    PMA_ajaxShowMessage()
 229      * @see     $cfg['AjaxEnable']
 230      */
 231     $('.drop_tracking_anchor').live('click', function(event) {
 232         event.preventDefault();
 233
 234         var $anchor = $(this);
 235
 236         /**
 237          * @var curr_tracking_row   Object containing reference to the current tracked table's row
 238          */
 239         var curr_tracking_row = $anchor.parents('tr');
 240          /**
 241          * @var question    String containing the question to be asked for confirmation
 242          */
 243         var question = PMA_messages['strDeleteTrackingData'];
 244
 245         $anchor.PMA_confirm(question, $anchor.attr('href'), function(url) {
 246
 247             PMA_ajaxShowMessage(PMA_messages['strDeletingTrackingData']);
 248
 249             $.get(url, {'is_js_confirmed': 1, 'ajax_request': true}, function(data) {
 250                 if(data.success == true) {
 251                     PMA_ajaxShowMessage(data.message);
 252                     $(curr_tracking_row).hide("medium").remove();
 253                 }
 254                 else {
 255                     PMA_ajaxShowMessage(PMA_messages['strErrorProcessingRequest'] + " : " + data.error);
 256                 }
 257             }) // end $.get()
 258         }) // end $.PMA_confirm()
 259     }) //end Drop Tracking
 260
 261     //Calculate Real End for InnoDB
 262     /**
 263      * Ajax Event handler for calculatig the real end for a InnoDB table
 264      *
 265      * @uses    $.PMA_confirm
 266      */
 267     $('#real_end_input').live('click', function(event) {
 268         event.preventDefault();
 269
 270         /**
 271          * @var question    String containing the question to be asked for confirmation
 272          */
 273         var question = PMA_messages['strOperationTakesLongTime'];
 274
 275         $(this).PMA_confirm(question, '', function() {
 276             return true;
 277         })
 278         return false;
 279     }) //end Calculate Real End for InnoDB
 280
 281 }, 'top.frame_content'); // end $(document).ready()