Initial commit
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433
#pma/js/db_structure.js
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433
#pma/js/db_structure.js
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* @fileoverview functions used on the database structure page
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* @name Database Structure
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*
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* @requires jQuery
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* @requires jQueryUI
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* @required js/functions.js
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*/
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/**
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* AJAX scripts for db_structure.php
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*
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* Actions ajaxified here:
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* Drop Database
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* Truncate Table
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* Drop Table
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*
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*/
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/**
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* Unbind all event handlers before tearing down a page
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*/
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AJAX.registerTeardown('db_structure.js', function () {
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$(document).off('click', "a.truncate_table_anchor.ajax");
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$(document).off('click', "a.drop_table_anchor.ajax");
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$(document).off('click', '#real_end_input');
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$(document).off('click', "a.favorite_table_anchor.ajax");
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$(document).off('click', '#printView');
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$('a.real_row_count').off('click');
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$('a.row_count_sum').off('click');
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$('select[name=submit_mult]').unbind('change');
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});
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/**
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* Adjust number of rows and total size in the summary
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* when truncating, creating, dropping or inserting into a table
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*/
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function PMA_adjustTotals() {
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var byteUnits = [
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PMA_messages.strB,
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PMA_messages.strKiB,
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PMA_messages.strMiB,
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PMA_messages.strGiB,
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PMA_messages.strTiB,
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PMA_messages.strPiB,
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PMA_messages.strEiB
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];
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/**
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* @var $allTr jQuery object that references all the rows in the list of tables
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*/
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var $allTr = $("#tablesForm").find("table.data tbody:first tr");
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// New summary values for the table
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var tableSum = $allTr.size();
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var rowsSum = 0;
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var sizeSum = 0;
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var overheadSum = 0;
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var rowSumApproximated = false;
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$allTr.each(function () {
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var $this = $(this);
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var i, tmpVal;
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// Get the number of rows for this SQL table
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var strRows = $this.find('.tbl_rows').text();
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// If the value is approximated
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if (strRows.indexOf('~') === 0) {
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rowSumApproximated = true;
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// The approximated value contains a preceding ~ (Eg 100 --> ~100)
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strRows = strRows.substring(1, strRows.length);
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}
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strRows = strRows.replace(/[,.]/g, '');
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var intRow = parseInt(strRows, 10);
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if (! isNaN(intRow)) {
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rowsSum += intRow;
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}
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// Extract the size and overhead
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var valSize = 0;
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var valOverhead = 0;
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var strSize = $.trim($this.find('.tbl_size span:not(.unit)').text());
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var strSizeUnit = $.trim($this.find('.tbl_size span.unit').text());
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var strOverhead = $.trim($this.find('.tbl_overhead span:not(.unit)').text());
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var strOverheadUnit = $.trim($this.find('.tbl_overhead span.unit').text());
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// Given a value and a unit, such as 100 and KiB, for the table size
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// and overhead calculate their numeric values in bytes, such as 102400
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for (i = 0; i < byteUnits.length; i++) {
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if (strSizeUnit == byteUnits[i]) {
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tmpVal = parseFloat(strSize);
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valSize = tmpVal * Math.pow(1024, i);
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break;
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}
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}
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for (i = 0; i < byteUnits.length; i++) {
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if (strOverheadUnit == byteUnits[i]) {
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tmpVal = parseFloat(strOverhead);
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valOverhead = tmpVal * Math.pow(1024, i);
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break;
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}
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}
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sizeSum += valSize;
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overheadSum += valOverhead;
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});
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// Add some commas for readability:
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// 1000000 becomes 1,000,000
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var strRowSum = rowsSum + "";
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var regex = /(\d+)(\d{3})/;
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while (regex.test(strRowSum)) {
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strRowSum = strRowSum.replace(regex, '$1' + ',' + '$2');
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}
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// If approximated total value add ~ in front
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if (rowSumApproximated) {
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strRowSum = "~" + strRowSum;
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}
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// Calculate the magnitude for the size and overhead values
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var size_magnitude = 0, overhead_magnitude = 0;
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while (sizeSum >= 1024) {
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sizeSum /= 1024;
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size_magnitude++;
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}
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while (overheadSum >= 1024) {
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overheadSum /= 1024;
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overhead_magnitude++;
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}
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sizeSum = Math.round(sizeSum * 10) / 10;
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overheadSum = Math.round(overheadSum * 10) / 10;
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// Update summary with new data
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var $summary = $("#tbl_summary_row");
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$summary.find('.tbl_num').text(PMA_sprintf(PMA_messages.strNTables, tableSum));
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if (rowSumApproximated) {
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$summary.find('.row_count_sum').text(strRowSum);
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} else {
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$summary.find('.tbl_rows').text(strRowSum);
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}
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$summary.find('.tbl_size').text(sizeSum + " " + byteUnits[size_magnitude]);
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$summary.find('.tbl_overhead').text(overheadSum + " " + byteUnits[overhead_magnitude]);
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}
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/**
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* Gets the real row count for a table or DB.
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* @param object $target Target for appending the real count value.
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*/
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function PMA_fetchRealRowCount($target)
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{
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var $throbber = $('#pma_navigation').find('.throbber')
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.first()
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.clone()
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.css({visibility: 'visible', display: 'inline-block'})
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.click(false);
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$target.html($throbber);
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$.ajax({
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type: 'GET',
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url: $target.attr('href'),
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cache: false,
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dataType: 'json',
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success: function (response) {
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if (response.success) {
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// If to update all row counts for a DB.
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if (response.real_row_count_all) {
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$.each(JSON.parse(response.real_row_count_all),
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function (index, table) {
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// Update each table row count.
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$('table.data td[data-table*="' + table.table + '"]')
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.text(table.row_count);
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}
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);
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}
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// If to update a particular table's row count.
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if (response.real_row_count) {
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// Append the parent cell with real row count.
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$target.parent().text(response.real_row_count);
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}
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// Adjust the 'Sum' displayed at the bottom.
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PMA_adjustTotals();
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} else {
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PMA_ajaxShowMessage(PMA_messages.strErrorRealRowCount);
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}
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},
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error: function () {
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PMA_ajaxShowMessage(PMA_messages.strErrorRealRowCount);
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}
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});
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}
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AJAX.registerOnload('db_structure.js', function () {
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/**
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* function to open the confirmation dialog for making table consistent with central list
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*
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* @param string msg message text to be displayed to user
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* @param function success function to be called on success
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*
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*/
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var jqConfirm = function(msg, success) {
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var dialogObj = $("<div style='display:none'>"+msg+"</div>");
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$('body').append(dialogObj);
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var buttonOptions = {};
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buttonOptions[PMA_messages.strContinue] = function () {
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success();
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$( this ).dialog( "close" );
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};
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buttonOptions[PMA_messages.strCancel] = function () {
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$( this ).dialog( "close" );
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$('#tablesForm')[0].reset();
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};
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$(dialogObj).dialog({
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resizable: false,
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modal: true,
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title: PMA_messages.confirmTitle,
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buttons: buttonOptions
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});
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};
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/**
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* Event handler on select of "Make consistent with central list"
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*/
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$('select[name=submit_mult]').change(function(event) {
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if ($(this).val() === 'make_consistent_with_central_list') {
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event.preventDefault();
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event.stopPropagation();
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jqConfirm(PMA_messages.makeConsistentMessage, function(){
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$('#tablesForm').submit();
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});
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return false;
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}
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else if ($(this).val() === 'copy_tbl' || $(this).val() === 'add_prefix_tbl' || $(this).val() === 'replace_prefix_tbl' || $(this).val() === 'copy_tbl_change_prefix') {
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event.preventDefault();
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event.stopPropagation();
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if ($('input[name="selected_tbl[]"]:checked').length === 0) {
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return false;
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}
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var formData = $('#tablesForm').serialize();
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var modalTitle = '';
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if ($(this).val() === 'copy_tbl') {
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modalTitle = PMA_messages.strCopyTablesTo;
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}
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else if ($(this).val() === 'add_prefix_tbl') {
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modalTitle = PMA_messages.strAddPrefix;
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}
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else if ($(this).val() === 'replace_prefix_tbl') {
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modalTitle = PMA_messages.strReplacePrefix;
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}
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else if ($(this).val() === 'copy_tbl_change_prefix') {
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modalTitle = PMA_messages.strCopyPrefix;
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}
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$.ajax({
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type: 'POST',
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url: 'db_structure.php',
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dataType: 'html',
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data: formData
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}).done(function(data) {
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var dialogObj = $("<div style='display:none'>"+data+"</div>");
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$('body').append(dialogObj);
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var buttonOptions = {};
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buttonOptions[PMA_messages.strContinue] = function () {
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$('#ajax_form').submit();
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$( this ).dialog( "close" );
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};
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buttonOptions[PMA_messages.strCancel] = function () {
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$( this ).dialog( "close" );
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$('#tablesForm')[0].reset();
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};
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$(dialogObj).dialog({
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minWidth: 500,
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resizable: false,
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modal: true,
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title: modalTitle,
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buttons: buttonOptions
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});
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});
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}
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else {
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$('#tablesForm').submit();
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}
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});
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/**
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* Ajax Event handler for 'Truncate Table'
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*/
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$(document).on('click', "a.truncate_table_anchor.ajax", function (event) {
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event.preventDefault();
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/**
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* @var $this_anchor Object referring to the anchor clicked
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*/
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var $this_anchor = $(this);
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//extract current table name and build the question string
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/**
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* @var curr_table_name String containing the name of the table to be truncated
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*/
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var curr_table_name = $this_anchor.parents('tr').children('th').children('a').text();
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/**
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* @var question String containing the question to be asked for confirmation
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*/
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var question = PMA_messages.strTruncateTableStrongWarning + ' ' +
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PMA_sprintf(PMA_messages.strDoYouReally, 'TRUNCATE ' + escapeHtml(curr_table_name)) +
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getForeignKeyCheckboxLoader();
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$this_anchor.PMA_confirm(question, $this_anchor.attr('href'), function (url) {
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PMA_ajaxShowMessage(PMA_messages.strProcessingRequest);
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var params = getJSConfirmCommonParam(this);
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$.post(url, params, function (data) {
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if (typeof data !== 'undefined' && data.success === true) {
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PMA_ajaxShowMessage(data.message);
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// Adjust table statistics
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var $tr = $this_anchor.closest('tr');
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$tr.find('.tbl_rows').text('0');
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$tr.find('.tbl_size, .tbl_overhead').text('-');
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//Fetch inner span of this anchor
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//and replace the icon with its disabled version
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var span = $this_anchor.html().replace(/b_empty/, 'bd_empty');
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//To disable further attempts to truncate the table,
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//replace the a element with its inner span (modified)
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$this_anchor
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.replaceWith(span)
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.removeClass('truncate_table_anchor');
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PMA_adjustTotals();
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} else {
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PMA_ajaxShowMessage(PMA_messages.strErrorProcessingRequest + " : " + data.error, false);
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}
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}); // end $.post()
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}, loadForeignKeyCheckbox); //end $.PMA_confirm()
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}); //end of Truncate Table Ajax action
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/**
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* Ajax Event handler for 'Drop Table' or 'Drop View'
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*/
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$(document).on('click', "a.drop_table_anchor.ajax", function (event) {
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event.preventDefault();
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var $this_anchor = $(this);
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//extract current table name and build the question string
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/**
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* @var $curr_row Object containing reference to the current row
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*/
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var $curr_row = $this_anchor.parents('tr');
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/**
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* @var curr_table_name String containing the name of the table to be truncated
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*/
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var curr_table_name = $curr_row.children('th').children('a').text();
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/**
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* @var is_view Boolean telling if we have a view
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*/
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var is_view = $curr_row.hasClass('is_view') || $this_anchor.hasClass('view');
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/**
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* @var question String containing the question to be asked for confirmation
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*/
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var question;
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if (! is_view) {
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question = PMA_messages.strDropTableStrongWarning + ' ' +
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PMA_sprintf(PMA_messages.strDoYouReally, 'DROP TABLE ' + escapeHtml(curr_table_name));
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} else {
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question =
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PMA_sprintf(PMA_messages.strDoYouReally, 'DROP VIEW ' + escapeHtml(curr_table_name));
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}
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question += getForeignKeyCheckboxLoader();
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$this_anchor.PMA_confirm(question, $this_anchor.attr('href'), function (url) {
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var $msg = PMA_ajaxShowMessage(PMA_messages.strProcessingRequest);
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var params = getJSConfirmCommonParam(this);
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$.post(url, params, function (data) {
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if (typeof data !== 'undefined' && data.success === true) {
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PMA_ajaxShowMessage(data.message);
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toggleRowColors($curr_row.next());
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$curr_row.hide("medium").remove();
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PMA_adjustTotals();
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PMA_reloadNavigation();
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PMA_ajaxRemoveMessage($msg);
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} else {
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PMA_ajaxShowMessage(PMA_messages.strErrorProcessingRequest + " : " + data.error, false);
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}
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}); // end $.post()
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}, loadForeignKeyCheckbox); // end $.PMA_confirm()
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}); //end of Drop Table Ajax action
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/**
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* Attach Event Handler for 'Print' link
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*/
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$(document).on('click', "#printView", function (event) {
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event.preventDefault();
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// Take to preview mode
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printPreview();
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}); //end of Print View action
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//Calculate Real End for InnoDB
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/**
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* Ajax Event handler for calculating the real end for a InnoDB table
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*
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*/
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$(document).on('click', '#real_end_input', function (event) {
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event.preventDefault();
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/**
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* @var question String containing the question to be asked for confirmation
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*/
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var question = PMA_messages.strOperationTakesLongTime;
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$(this).PMA_confirm(question, '', function () {
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return true;
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});
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return false;
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}); //end Calculate Real End for InnoDB
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// Add tooltip to favorite icons.
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$(".favorite_table_anchor").each(function () {
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PMA_tooltip(
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$(this),
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'a',
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$(this).attr("title")
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);
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});
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// Get real row count via Ajax.
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$('a.real_row_count').on('click', function (event) {
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event.preventDefault();
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PMA_fetchRealRowCount($(this));
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});
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// Get all real row count.
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$('a.row_count_sum').on('click', function (event) {
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event.preventDefault();
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PMA_fetchRealRowCount($(this));
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});
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}); // end $()
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Reference in New Issue
Block a user