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Viewing file:     history.js (25.27 KB)      -rw-rw-rw-

/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
 * @fileoverview    function used in this file builds history tab and generates query.
  *
  * @requires    jQuery
  * @requires    moves.js
  * @version $Id$
  */

var history_array = []; // Global array to store history objects
var select_field = [];  // Global array to store informaation for columns which are used in select clause
var g_index;

/**
 * function for panel, hides and shows toggle_container <div>,which is for history elements uses {@link JQuery}.
 *
 * @param index has value 1 or 0,decides wheter to hide toggle_container on load.
**/

function panel(index)
{
    if (!index) {
        $(".toggle_container").hide();
    }
    $("h2.tiger").click(function () {
        $(this).toggleClass("active").next().slideToggle("slow");
    });
}

/**
 * To display details of obects(where,rename,Having,aggregate,groupby,orderby,having)
 *
 * @param index index of history_array where change is to be made
 *
**/

function detail(index)
{
    var type = history_array[index].get_type();
    var str;
    if (type == "Where") {
        str = 'Where ' + history_array[index].get_column_name() + history_array[index].get_obj().getrelation_operator() + history_array[index].get_obj().getquery();
    }
    if (type == "Rename") {
        str = 'Rename ' + history_array[index].get_column_name() + ' To ' + history_array[index].get_obj().getrename_to();
    }
    if (type == "Aggregate") {
        str = 'Select ' + history_array[index].get_obj().get_operator() + '( ' + history_array[index].get_column_name() + ' )';
    }
    if (type == "GroupBy") {
        str = 'GroupBy ' + history_array[index].get_column_name();
    }
    if (type == "OrderBy") {
        str = 'OrderBy ' + history_array[index].get_column_name();
    }
    if (type == "Having") {
        str = 'Having ';
        if (history_array[index].get_obj().get_operator() != 'None') {
            str += history_array[index].get_obj().get_operator() + '( ' + history_array[index].get_column_name() + ' )';
            str += history_array[index].get_obj().getrelation_operator() + history_array[index].get_obj().getquery();
        } else {
            str = 'Having ' + history_array[index].get_column_name() + history_array[index].get_obj().getrelation_operator() + history_array[index].get_obj().getquery();
        }
    }
    return str;
}

/**
 * Sorts history_array[] first,using table name as the key and then generates the HTML code for history tab,
 * clubbing all objects of same tables together
 * This function is called whenever changes are made in history_array[]
 *
 *
 * @param {int}  init starting index of unsorted array
 * @param {int} finit   last index of unsorted array
 *
**/

function display(init, finit)
{
    var str, i, j, k, sto, temp;
    // this part sorts the history array based on table name,this is needed for clubbing all object of same name together.
    for (i = init; i < finit; i++) {
        sto = history_array[i];
        temp = history_array[i].get_tab();//+ '.' + history_array[i].get_obj_no(); for Self JOINS
        for (j = 0; j < i; j++) {
            if (temp > (history_array[j].get_tab())) {//+ '.' + history_array[j].get_obj_no())) { //for Self JOINS
                for (k = i; k > j; k--) {
                    history_array[k] = history_array[k - 1];
                }
                history_array[j] = sto;
                break;
            }
        }
    }
    // this part generates HTML code for history tab.adds delete,edit,and/or and detail features with objects.
    str = ''; // string to store Html code for history tab
    for (i = 0; i < history_array.length; i++) {
        temp = history_array[i].get_tab(); //+ '.' + history_array[i].get_obj_no(); for Self JOIN
        str += '<h2 class="tiger"><a href="#">' + temp + '</a></h2>';
        str += '<div class="toggle_container">\n';
        while ((history_array[i].get_tab()) == temp) { //+ '.' + history_array[i].get_obj_no()) == temp) {
            str += '<div class="block"> <table width ="250">';
            str += '<thead><tr><td>';
            if (history_array[i].get_and_or()) {
                str += '<img src="' + pmaThemeImage + 'pmd/or_icon.png" onclick="and_or(' + i + ')" title="OR"/></td>';
            } else {
                str += '<img src="' + pmaThemeImage + 'pmd/and_icon.png" onclick="and_or(' + i + ')" title="AND"/></td>';
            }
            str += '<td style="padding-left: 5px;" class="right">' + PMA_getImage('b_sbrowse.png', 'column name') + '</td><td width="175" style="padding-left: 5px">' + history_array[i].get_column_name();
            if (history_array[i].get_type() == "GroupBy" || history_array[i].get_type() == "OrderBy") {
                str += '</td><td class="center">' + PMA_getImage('s_info.png', detail(i)) + '<td title="' + detail(i) + '">' + history_array[i].get_type() + '</td></td><td onmouseover="this.className=\'history_table\';" onmouseout="this.className=\'history_table2\'" onclick=history_delete(' + i + ')>' + PMA_getImage('b_drop.png', 'Delete') + '</td></tr></thead>';
            } else {
                str += '</td><td class="center">' + PMA_getImage('s_info.png', detail(i)) + '</td><td title="' + detail(i) + '">' + history_array[i].get_type() + '</td><td <td onmouseover="this.className=\'history_table\';" onmouseout="this.className=\'history_table2\'" onclick=history_edit(' + i + ')>' + PMA_getImage('b_edit.png', PMA_messages.strEdit) + '</td><td onmouseover="this.className=\'history_table\';" onmouseout="this.className=\'history_table2\'"               onclick=history_delete(' + i + ')><img src="themes/original/img/b_drop.png" title="Delete"></td></tr></thead>';
            }
            i++;
            if (i >= history_array.length) {
                break;
            }
            str += '</table></div><br/>';
        }
        i--;
        str += '</div><br/>';
    }
    return str;
}

/**
 * To change And/Or relation in history tab
 *
 *
 * @param {int} index of history_array where change is to be made
 *
**/

function and_or(index)
{
    if (history_array[index].get_and_or()) {
        history_array[index].set_and_or(0);
    } else {
        history_array[index].set_and_or(1);
    }
    var existingDiv = document.getElementById('ab');
    existingDiv.innerHTML = display(0, 0);
    panel(1);
}

/**
 * Deletes entry in history_array
 *
 * @param index index of history_array[] which is to be deleted
 *
**/

function history_delete(index)
{
    for (var k = 0; k < from_array.length; k++) {
        if (from_array[k] == history_array[index].get_tab()) {
            from_array.splice(k, 1);
            break;
        }
    }
    history_array.splice(index, 1);
    var existingDiv = document.getElementById('ab');
    existingDiv.innerHTML = display(0, 0);
    panel(1);
}

/**
 * To show where,rename,aggregate,having forms to edit a object
 *
 * @param{int} index index of history_array where change is to be made
 *
**/

function history_edit(index)
{
    g_index = index;
    var type = history_array[index].get_type();
    if (type == "Where") {
        document.getElementById('eQuery').value = history_array[index].get_obj().getquery();
        document.getElementById('erel_opt').value = history_array[index].get_obj().getrelation_operator();
        document.getElementById('query_where').style.left =  '530px';
        document.getElementById('query_where').style.top  = '130px';
        document.getElementById('query_where').style.position  = 'absolute';
        document.getElementById('query_where').style.zIndex = '9';
        document.getElementById('query_where').style.visibility = 'visible';
    }
    if (type == "Having") {
        document.getElementById('hQuery').value = history_array[index].get_obj().getquery();
        document.getElementById('hrel_opt').value = history_array[index].get_obj().getrelation_operator();
        document.getElementById('hoperator').value = history_array[index].get_obj().get_operator();
        document.getElementById('query_having').style.left =  '530px';
        document.getElementById('query_having').style.top  = '130px';
        document.getElementById('query_having').style.position  = 'absolute';
        document.getElementById('query_having').style.zIndex = '9';
        document.getElementById('query_having').style.visibility = 'visible';
    }
    if (type == "Rename") {
        document.getElementById('query_rename_to').style.left =  '530px';
        document.getElementById('query_rename_to').style.top  = '130px';
        document.getElementById('query_rename_to').style.position  = 'absolute';
        document.getElementById('query_rename_to').style.zIndex = '9';
        document.getElementById('query_rename_to').style.visibility = 'visible';
    }
    if (type == "Aggregate") {
        document.getElementById('query_Aggregate').style.left = '530px';
        document.getElementById('query_Aggregate').style.top  = '130px';
        document.getElementById('query_Aggregate').style.position  = 'absolute';
        document.getElementById('query_Aggregate').style.zIndex = '9';
        document.getElementById('query_Aggregate').style.visibility = 'visible';
    }
}

/**
 * Make changes in history_array when Edit button is clicked
 * checks for the type of object and then sets the new value
 *
 * @param index index of history_array where change is to be made
**/

function edit(type)
{
    if (type == "Rename") {
        if (document.getElementById('e_rename').value !== "") {
            history_array[g_index].get_obj().setrename_to(document.getElementById('e_rename').value);
            document.getElementById('e_rename').value = "";
        }
        document.getElementById('query_rename_to').style.visibility = 'hidden';
    }
    if (type == "Aggregate") {
        if (document.getElementById('e_operator').value != '---') {
            history_array[g_index].get_obj().set_operator(document.getElementById('e_operator').value);
            document.getElementById('e_operator').value = '---';
        }
        document.getElementById('query_Aggregate').style.visibility = 'hidden';
    }
    if (type == "Where") {
        if (document.getElementById('erel_opt').value != '--' && document.getElementById('eQuery').value !== "") {
            history_array[g_index].get_obj().setquery(document.getElementById('eQuery').value);
            history_array[g_index].get_obj().setrelation_operator(document.getElementById('erel_opt').value);
        }
        document.getElementById('query_where').style.visibility = 'hidden';
    }
    if (type == "Having") {
        if (document.getElementById('hrel_opt').value != '--' && document.getElementById('hQuery').value !== "") {
            history_array[g_index].get_obj().setquery(document.getElementById('hQuery').value);
            history_array[g_index].get_obj().setrelation_operator(document.getElementById('hrel_opt').value);
            history_array[g_index].get_obj().set_operator(document.getElementById('hoperator').value);
        }
        document.getElementById('query_having').style.visibility = 'hidden';
    }
    var existingDiv = document.getElementById('ab');
    existingDiv.innerHTML = display(0, 0);
    panel(1);
}

/**
 * history object closure
 *
 * @param ncolumn_name  name of the column on which conditions are put
 * @param nobj          object details(where,rename,orderby,groupby,aggregate)
 * @param ntab          table name of the column on which conditions are applied
 * @param nobj_no       object no used for inner join
 * @param ntype         type of object
 *
**/

function history(ncolumn_name, nobj, ntab, nobj_no, ntype)
{
    var and_or;
    var obj;
    var tab;
    var column_name;
    var obj_no;
    var type;
    this.set_column_name = function (ncolumn_name) {
        column_name = ncolumn_name;
    };
    this.get_column_name = function () {
        return column_name;
    };
    this.set_and_or = function (nand_or) {
        and_or = nand_or;
    };
    this.get_and_or = function () {
        return and_or;
    };
    this.get_relation = function () {
        return and_or;
    };
    this.set_obj = function (nobj) {
        obj = nobj;
    };
    this.get_obj = function () {
        return obj;
    };
    this.set_tab = function (ntab) {
        tab = ntab;
    };
    this.get_tab = function () {
        return tab;
    };
    this.set_obj_no = function (nobj_no) {
        obj_no = nobj_no;
    };
    this.get_obj_no = function () {
        return obj_no;
    };
    this.set_type = function (ntype) {
        type = ntype;
    };
    this.get_type = function () {
        return type;
    };
    this.set_obj_no(nobj_no);
    this.set_tab(ntab);
    this.set_and_or(0);
    this.set_obj(nobj);
    this.set_column_name(ncolumn_name);
    this.set_type(ntype);
}

/**
 * where object closure, makes an object with all information of where
 *
 * @param nrelation_operator type of relation operator to be applied
 * @param nquery             stores value of value/sub-query
 *
**/


var where = function (nrelation_operator, nquery) {
    var relation_operator;
    var query;
    this.setrelation_operator = function (nrelation_operator) {
        relation_operator = nrelation_operator;
    };
    this.setquery = function (nquery) {
        query = nquery;
    };
    this.getquery = function () {
        return query;
    };
    this.getrelation_operator = function () {
        return relation_operator;
    };
    this.setquery(nquery);
    this.setrelation_operator(nrelation_operator);
};


/**
 * Having object closure, makes an object with all information of where
 *
 * @param nrelation_operator type of relation operator to be applied
 * @param nquery             stores value of value/sub-query
 *
**/

var having = function (nrelation_operator, nquery, noperator) {
    var relation_operator;
    var query;
    var operator;
    this.set_operator = function (noperator) {
        operator = noperator;
    };
    this.setrelation_operator = function (nrelation_operator) {
        relation_operator = nrelation_operator;
    };
    this.setquery = function (nquery) {
        query = nquery;
    };
    this.getquery = function () {
        return query;
    };
    this.getrelation_operator = function () {
        return relation_operator;
    };
    this.get_operator = function () {
        return operator;
    };
    this.setquery(nquery);
    this.setrelation_operator(nrelation_operator);
    this.set_operator(noperator);
};

/**
 * rename object closure,makes an object with all information of rename
 *
 * @param nrename_to new name information
 *
**/

var rename = function (nrename_to) {
    var rename_to;
    this.setrename_to = function (nrename_to) {
        rename_to = nrename_to;
    };
    this.getrename_to = function () {
        return rename_to;
    };
    this.setrename_to(nrename_to);
};

/**
 * aggregate object closure
 *
 * @param noperator aggregte operator
 *
**/

var aggregate = function (noperator) {
    var operator;
    this.set_operator = function (noperator) {
        operator = noperator;
    };
    this.get_operator = function () {
        return operator;
    };
    this.set_operator(noperator);
};

/**
 * This function returns unique element from an array
 *
 * @param arraName array from which duplicate elem are to be removed.
 * @return unique array
 */

function unique(arrayName)
{
    var newArray = [];
uniquetop:
    for (var i = 0; i < arrayName.length; i++) {
        for (var j = 0; j < newArray.length; j++) {
            if (newArray[j] == arrayName[i]) {
                continue uniquetop;
            }
        }
        newArray[newArray.length] = arrayName[i];
    }
    return newArray;
}

/**
 * This function takes in array and a value as input and returns 1 if values is present in array
 * else returns -1
 *
 * @param arrayName array
 * @param value  value which is to be searched in the array
 */

function found(arrayName, value)
{
    for (var i = 0; i < arrayName.length; i++) {
        if (arrayName[i] == value) {
            return 1;
        }
    }
    return -1;
}

/**
 * This function concatenates two array
 *
 * @params add array elements of which are pushed in
 * @params arr array in which elemnets are added
 */
function add_array(add, arr)
{
    for (var i = 0; i < add.length; i++) {
        arr.push(add[i]);
    }
    return arr;
}

/* This fucntion removes all elements present in one array from the other.
 *
 * @params rem array from which each element is removed from other array.
 * @params arr array from which elements are removed.
 *
 */
function remove_array(rem, arr)
{
    for (var i = 0; i < rem.length; i++) {
        for (var j = 0; j < arr.length; j++) {
            if (rem[i] == arr[j]) {
                arr.splice(j, 1);
            }
        }
    }
    return arr;
}

/**
 * This function builds the groupby clause from history object
 *
 */

function query_groupby()
{
    var i;
    var str = "";
    for (i = 0; i < history_array.length;i++) {
        if (history_array[i].get_type() == "GroupBy") {
            str += history_array[i].get_column_name() + ", ";
        }
    }
    str = str.substr(0, str.length - 1);
    return str;
}

/**
 * This function builds the Having clause from the history object.
 *
 */

function query_having()
{
    var i;
    var and = "(";
    for (i = 0; i < history_array.length;i++) {
        if (history_array[i].get_type() == "Having") {
            if (history_array[i].get_obj().get_operator() != 'None') {
                and += history_array[i].get_obj().get_operator() + "(" + history_array[i].get_column_name() + " ) " + history_array[i].get_obj().getrelation_operator();
                and += " " + history_array[i].get_obj().getquery() + ", ";
            } else {
                and +=  history_array[i].get_column_name() + " " + history_array[i].get_obj().getrelation_operator() + " " + history_array[i].get_obj().getquery() + ", ";
            }
        }
    }
    if (and == "(") {
        and = "";
    } else {
        and = and.substr(0, and.length - 2) + ")";
    }
    return and;
}


/**
 * This function builds the orderby clause from the history object.
 *
 */

function query_orderby()
{
    var i;
    var str = "";
    for (i = 0; i < history_array.length;i++) {
        if (history_array[i].get_type() == "OrderBy") { str += history_array[i].get_column_name() + " , "; }
    }
    str = str.substr(0, str.length - 1);
    return str;
}


/**
 * This function builds the Where clause from the history object.
 *
 */

function query_where()
{
    var i;
    var and = "(";
    var or = "(";
    for (i = 0; i < history_array.length;i++) {
        if (history_array[i].get_type() == "Where") {
            if (history_array[i].get_and_or() === 0) {
                and += "( " + history_array[i].get_column_name() + " " + history_array[i].get_obj().getrelation_operator() + " " + history_array[i].get_obj().getquery() + ")";
                and += " AND ";
            } else {
                or += "( " + history_array[i].get_column_name() + " " + history_array[i].get_obj().getrelation_operator() + " " + history_array[i].get_obj().getquery() + ")";
                or += " OR ";
            }
        }
    }
    if (or != "(") {
        or = or.substring(0, (or.length - 4)) + ")";
    } else {
        or = "";
    }
    if (and != "(") {
        and = and.substring(0, (and.length - 5)) + ")";
    } else {
        and = "";
    }
    if (or !== "") {
        and = and + " OR " + or + " )";
    }
    return and;
}

function check_aggregate(id_this)
{
    var i;
    for (i = 0; i < history_array.length; i++) {
        var temp = '`' + history_array[i].get_tab() + '`.`' + history_array[i].get_column_name() + '`';
        if (temp == id_this && history_array[i].get_type() == "Aggregate") {
            return history_array[i].get_obj().get_operator() + '(' + id_this + ')';
        }
    }
    return "";
}

function check_rename(id_this)
{
    var i;
    for (i = 0; i < history_array.length; i++) {
        var temp = '`' + history_array[i].get_tab() + '`.`' + history_array[i].get_column_name() + '`';
        if (temp == id_this && history_array[i].get_type() == "Rename") {
            return " AS `" + history_array[i].get_obj().getrename_to() + "`";
        }
    }
    return "";
}

function gradient(id, level)
{
    var box = document.getElementById(id);
    box.style.opacity = level;
    box.style.MozOpacity = level;
    box.style.KhtmlOpacity = level;
    box.style.filter = "alpha(opacity=" + level * 100 + ")";
    box.style.display = "block";
    return;
}


function fadein(id)
{
    var level = 0;
    while (level <= 1) {
        setTimeout("gradient('" + id + "'," + level + ")", (level * 1000) + 10);
        level += 0.01;
    }
}

 /**
  * This function builds from clause of query
  * makes automatic joins.
  *
  *
  */
function query_from()
{
    var i;
    var tab_left = [];
    var tab_used = [];
    var t_tab_used = [];
    var t_tab_left = [];
    var temp;
    var query = "";
    var quer = "";
    var parts = [];
    var t_array = [];
    t_array = from_array;
    var K = 0;
    var k;
    var key;
    var key2;
    var key3;
    var parts1;
    for (i = 0; i < history_array.length; i++) {
        from_array.push(history_array[i].get_tab());
    }
    from_array = unique(from_array);
    tab_left = from_array;
    temp = tab_left.shift();
    quer = temp;
    tab_used.push(temp);
    // if master table (key2) matches with tab used get all keys and check if tab_left matches
    // after this check if master table (key2) matches with tab left then check if any foreign matches with master .
    for (i = 0; i < 2; i++) {
        for (K in contr) {
            for (key in contr[K]) {// contr name
                for (key2 in contr[K][key]) {// table name
                    parts = key2.split(".");
                    if (found(tab_used, parts[1]) > 0) {
                        for (key3 in contr[K][key][key2]) {
                            parts1 = contr[K][key][key2][key3][0].split(".");
                            if (found(tab_left, parts1[1]) > 0) {
                                query += "\n" + 'LEFT JOIN ';
                                query += '`' + parts1[0] + '`.`' + parts1[1] + '` ON ';
                                query += '`' + parts[1] + '`.`' + key3 + '` = ';
                                query += '`' + parts1[1] + '`.`' + contr[K][key][key2][key3][1] + '` ';
                                t_tab_left.push(parts1[1]);
                            }
                        }
                    }
                }
            }
        }
        K = 0;
        t_tab_left = unique(t_tab_left);
        tab_used = add_array(t_tab_left, tab_used);
        tab_left = remove_array(t_tab_left, tab_left);
        t_tab_left = [];
        for (K in contr) {
            for (key in contr[K]) {
                for (key2 in contr[K][key]) {// table name
                    parts = key2.split(".");
                    if (found(tab_left, parts[1]) > 0) {
                        for (key3 in contr[K][key][key2]) {
                            parts1 = contr[K][key][key2][key3][0].split(".");
                            if (found(tab_used, parts1[1]) > 0) {
                                query += "\n" + 'LEFT JOIN ';
                                query += '`' + parts[0] + '`.`' + parts[1] + '` ON ';
                                query += '`' + parts1[1] + '`.`' + contr[K][key][key2][key3][1] + '` = ';
                                query += '`' + parts[1] + '`.`' + key3 + '` ';
                                t_tab_left.push(parts[1]);
                            }
                        }
                    }
                }
            }
        }
        t_tab_left = unique(t_tab_left);
        tab_used = add_array(t_tab_left, tab_used);
        tab_left = remove_array(t_tab_left, tab_left);
        t_tab_left = [];
    }
    for (k in tab_left) {
        quer += " , `" + tab_left[k] + "`";
    }
    query = quer + query;
    from_array = t_array;
    return query;
}

/**
 * This function is the main function for query building.
 * uses history object details for this.
 *
 * @ uses query_where()
 * @ uses query_groupby()
 * @ uses query_having()
 * @ uses query_orderby()
 *
 * @param formtitle title for the form
 * @param fadin
 */

function build_query(formtitle, fadin)
{
    var q_select = "SELECT ";
    var temp;
    for (var i = 0;i < select_field.length; i++) {
        temp = check_aggregate(select_field[i]);
        if (temp !== "") {
            q_select += temp;
            temp = check_rename(select_field[i]);
            q_select += temp + ",";
        } else {
            temp = check_rename(select_field[i]);
            q_select += select_field[i] + temp + ",";
        }
    }
    q_select = q_select.substring(0, q_select.length - 1);
    q_select += " FROM " + query_from();
    if (query_where() !== "") {
        q_select += "\n WHERE";
        q_select += query_where();
    }
    if (query_groupby() !== "") { q_select += "\nGROUP BY " + query_groupby(); }
    if (query_having() !== "") { q_select += "\nHAVING " + query_having(); }
    if (query_orderby() !== "") { q_select += "\nORDER BY " + query_orderby(); }
    var box = document.getElementById('box');
    document.getElementById('filter').style.display = 'block';
    var btitle = document.getElementById('boxtitle');
    btitle.innerHTML = 'SELECT';//formtitle;
    if (fadin) {
        gradient("box", 0);
        fadein("box");
    } else {
        box.style.display = 'block';
    }
    document.getElementById('textSqlquery').innerHTML = q_select;
}

function closebox()
{
    document.getElementById('box').style.display = 'none';
    document.getElementById('filter').style.display = 'none';
}