/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
 * @package PhpMyAdmin-Designer
 */

/**
 * init
 */


var _change = 0; // variable to track any change in designer layout.
var _staying = 0; //  variable to check if the user stayed after seeing the confirmation prompt.
var show_relation_lines = true;
var always_show_text = false;

AJAX.registerTeardown('pmd/move.js', function () {
    if ($.FullScreen.supported) {
        $(document).unbind($.FullScreen.prefix + 'fullscreenchange');
    }

    $('#selflink').show();
});

AJAX.registerOnload('pmd/move.js', function () {
    $('#page_content').css({'margin-left': '3px'});
    if ($.FullScreen.supported) {
        $(document).fullScreenChange(function () {
            if (! $.FullScreen.isFullScreen()) {
                $('#page_content').removeClass('content_fullscreen')
                    .css({'width': 'auto', 'height': 'auto'});
                var $img = $('#toggleFullscreen').find('img');
                var $span = $img.siblings('span');
                $span.text($span.data('enter'));
                $img.attr('src', $img.data('enter'))
                    .attr('title', $span.data('enter'));
            }
        });
    } else {
        $('#toggleFullscreen').hide();
    }

    $('#selflink').hide();
});

// Below is the function to bind onbeforeunload events with the content_frame as well as the top window.

/*
FIXME: we can't register the beforeonload event because it will persist between pageloads

AJAX.registerOnload('pmd/move.js', function (){
    $(window).bind('beforeunload', function () {        // onbeforeunload for the frame window.
        if (_change == 1 && _staying === 0) {
            return PMA_messages.strLeavingDesigner;
        } else if (_change == 1 && _staying == 1) {
            _staying = 0;
        }
    });
    $(window).unload(function () {
        _change = 0;
    });
    window.top.onbeforeunload = function () {     // onbeforeunload for the browser main window.
        if (_change == 1 && _staying === 0) {
            _staying = 1;                                                   //  Helps if the user stays on the page  as there
            setTimeout('make_zero();', 100);                    //   is no other way of knowing whether the user stayed or not.
            return PMA_messages.strLeavingDesigner;
        }
    };
});*/

function make_zero() {   // Function called if the user stays after seeing the confirmation prompt.
    _staying = 0;
}

function MarkSaved()
{
    _change = 0;
    $('#saved_state').text('');
}

function MarkUnsaved()
{
    _change = 1;
    $('#saved_state').text('*');
}

var dx, dy, dy2;
var cur_click = null;
// update in Main()
var sm_x = 2, sm_y = 2;
var sm_s           = 0;
var sm_add         = 10;
var s_left         = 0;
var s_right        = 0;
var ON_relation    = 0;
var ON_grid        = 0;
var ON_display_field = 0;
// relation_style: 0 - angular 1 - direct
var ON_angular_direct = 1;
var click_field    = 0;
var link_relation  = "";
var id_hint;
var canvas_width   = 0;
var canvas_height  = 0;
var osn_tab_width  = 0;
var osn_tab_height = 0;
var height_field   = 7;
var Glob_X, Glob_Y;
var timeoutID;
var layer_menu_cur_click = 0;
var step = 10;
var old_class;
var from_array = [];
var downer;
var menu_moved = false;
var grid_size = 10;

//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------


//window.captureEvents(Event.MOUSEDOWN | Event.MOUSEUP);
//---CROSS
document.onmousedown = MouseDown;
document.onmouseup   = MouseUp;
document.onmousemove = MouseMove;

var isIE = document.all && !window.opera;
var isNN = !document.all && document.getElementById;
var isN4 = document.layers;

if (isIE) {
    window.onscroll = General_scroll;
    document.onselectstart = function () {
        return false;
    };
}

//document.onmouseup = function (){General_scroll_end();}
function MouseDown(e)
{
    Glob_X = dx = isIE ? e.clientX + document.body.scrollLeft : e.pageX;
    Glob_Y = dy = isIE ? e.clientY + document.body.scrollTop : e.pageY;
    if (cur_click !== null) {
        document.getElementById("canvas").style.display = 'none';
        cur_click.style.zIndex = 2;
    }
}

function MouseMove(e)
{
    if (e.preventDefault) {
        e.preventDefault();
    }

    var new_dx = isIE ? e.clientX + document.body.scrollLeft : e.pageX;
    var new_dy = isIE ? e.clientY + document.body.scrollTop : e.pageY;

    var delta_x = Glob_X - new_dx;
    var delta_y = Glob_Y - new_dy;

    Glob_X = new_dx;
    Glob_Y = new_dy;

    if (cur_click !== null) {
        MarkUnsaved();

        var $cur_click = $(cur_click);

        var cur_x = parseFloat($cur_click.attr('data-left') || $cur_click.css('left'));
        var cur_y = parseFloat($cur_click.attr('data-top') || $cur_click.css('top'));

        var new_x = cur_x - delta_x;
        var new_y = cur_y - delta_y;

        dx = new_dx;
        dy = new_dy;

        $cur_click.attr('data-left', new_x);
        $cur_click.attr('data-top', new_y);

        if (ON_grid) {
            new_x = parseInt(new_x / grid_size) * grid_size;
            new_y = parseInt(new_y / grid_size) * grid_size;
        }

        $cur_click.css('left', new_x + 'px');
        $cur_click.css('top', new_y + 'px');
    }

    else if (layer_menu_cur_click) {

        dx = new_dx;
        dy = new_dy;
        if (menu_moved) {
            delta_x = -delta_x;
        }
        var $layer_menu = $('#layer_menu');
        var new_width = $layer_menu.width() + delta_x;
        if (new_width < 150) {
            new_width = 150;
        }
        else {
            dx = e.pageX;
        }
        $layer_menu.width(new_width);
    }

    if (ON_relation || ON_display_field) {
        document.getElementById('pmd_hint').style.left = (Glob_X + 20) + 'px';
        document.getElementById('pmd_hint').style.top  = (Glob_Y + 20) + 'px';
    }
}

function MouseUp(e)
{
    if (cur_click !== null) {
        document.getElementById("canvas").style.display = 'inline-block';
        Re_load();
        cur_click.style.zIndex = 1;
        cur_click = null;
    }
    layer_menu_cur_click = 0;
    //window.releaseEvents(Event.MOUSEMOVE);
}
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------


//function ToInt(s)
//{
//    return s.substring(0,s.length-2)*1; //re = /(\d+)\w*/; newstr = str.replace(re, "$1");
//}

function Canvas_pos()
{
    canvas_width  = document.getElementById('canvas').width  = osn_tab_width  - 3;
    canvas_height = document.getElementById('canvas').height = osn_tab_height - 3;

    if (isIE) {
        document.getElementById('canvas').style.width  = ((osn_tab_width  - 3) ? (osn_tab_width  - 3) : 0) + 'px';
        document.getElementById('canvas').style.height = ((osn_tab_height - 3) ? (osn_tab_height - 3) : 0) + 'px';
    }
}

function Osn_tab_pos()
{
    osn_tab_width  = parseInt(document.getElementById('osn_tab').style.width, 10);
    osn_tab_height = parseInt(document.getElementById('osn_tab').style.height, 10);
}

function setDefaultValuesFromSavedState()
{
    if ($('#angular_direct_button').attr('class') === 'M_butt') {
        ON_angular_direct = 0;
    } else {
        ON_angular_direct = 1;
    }
    Angular_direct();

    if ($('#grid_button').attr('class') === 'M_butt') {
        ON_grid = 1;
    } else {
        ON_grid = 0;
    }
    Grid();

    var $relLineInvert = $('#relLineInvert');
    if ($relLineInvert.attr('class') === 'M_butt') {
        show_relation_lines = false;
        $relLineInvert.attr('class', 'M_butt');
    } else {
        show_relation_lines = true;
        $relLineInvert.attr('class', 'M_butt_Selected_down');
    }
    Relation_lines_invert();

    if ($('#pin_Text').attr('class') === 'M_butt_Selected_down') {
        always_show_text = true;
        Show_text();
    } else {
        always_show_text = false;
    }

    var $key_SB_all = $('#key_SB_all');
    if ($key_SB_all.attr('class') === 'M_butt_Selected_down') {
        $key_SB_all.click();
        $key_SB_all.toggleClass('M_butt_Selected_down');
        $key_SB_all.toggleClass('M_butt');
    }

    var $key_Left_Right = $('#key_Left_Right');
    if ($key_Left_Right.attr('class') === 'M_butt_Selected_down') {
        $key_Left_Right.click();
    }

}

function Main()
{
    //alert( document.getElementById('osn_tab').offsetTop);
    //---CROSS

    document.getElementById("layer_menu").style.top = -1000 + 'px'; //fast scroll
    // sm_x += document.getElementById('osn_tab').offsetLeft;
    // sm_y += document.getElementById('osn_tab').offsetTop;
    Osn_tab_pos();
    Canvas_pos();
    Small_tab_refresh();
    Re_load();
    setDefaultValuesFromSavedState();
    id_hint = document.getElementById('pmd_hint');
    if (isIE) {
        General_scroll();
    }
}


//-------------------------------- new -----------------------------------------
function Rezize_osn_tab()
{
    var max_X = 0;
    var max_Y = 0;
    for (var key in j_tabs) {
        var k_x = parseInt(document.getElementById(key).style.left, 10) + document.getElementById(key).offsetWidth;
        var k_y = parseInt(document.getElementById(key).style.top, 10) + document.getElementById(key).offsetHeight;
        max_X = max_X < k_x ? k_x : max_X;
        max_Y = max_Y < k_y ? k_y : max_Y;
    }

    osn_tab_width  = max_X + 50;
    osn_tab_height = max_Y + 50;
    Canvas_pos();
    document.getElementById('osn_tab').style.width = osn_tab_width + 'px';
    document.getElementById('osn_tab').style.height = osn_tab_height + 'px';
}
//------------------------------------------------------------------------------

/**
 * refreshes display, must be called after state changes
 */
function Re_load()
{
    Rezize_osn_tab();
    var n;
    var x1;
    var x2;
    var a = [];
    var K;
    var key;
    var key2;
    var key3;
    Clear();
    for (K in contr) {
        for (key in contr[K]) {
            // contr name
            for (key2 in contr[K][key]) {
                // table name
                for (key3 in contr[K][key][key2]) {
                    // field name
                    if (!document.getElementById("check_vis_" + key2).checked ||
                        !document.getElementById("check_vis_" + contr[K][key][key2][key3][0]).checked) {
                        // if hide
                        continue;
                    }
                    var x1_left  = document.getElementById(key2).offsetLeft + 1;
                    var x1_right = x1_left + document.getElementById(key2).offsetWidth;
                    var x2_left  = document.getElementById(contr[K][key][key2][key3][0]).offsetLeft;
                    var x2_right = x2_left + document.getElementById(contr[K][key][key2][key3][0]).offsetWidth;
                    a[0] = Math.abs(x1_left - x2_left);
                    a[1] = Math.abs(x1_left - x2_right);
                    a[2] = Math.abs(x1_right - x2_left);
                    a[3] = Math.abs(x1_right - x2_right);
                    n = s_left = s_right = 0;
                    for (var i = 1; i < 4; i++) {
                        if (a[n] > a[i]) {
                            n = i;
                        }
                    }
                    if (n == 1) {
                        x1 = x1_left - sm_s;
                        x2 = x2_right + sm_s;
                        if (x1 < x2) {
                            n = 0;
                        }
                    }
                    if (n == 2) {
                        x1 = x1_right + sm_s;
                        x2 = x2_left - sm_s;
                        if (x1 > x2) {
                            n = 0;
                        }
                    }
                    if (n == 3) {
                        x1 = x1_right + sm_s;
                        x2 = x2_right + sm_s;
                        s_right = 1;
                    }
                    if (n === 0) {
                        x1 = x1_left - sm_s;
                        x2 = x2_left - sm_s;
                        s_left = 1;
                    }
                    //alert(key2 + "." + key3);

                    var row_offset_top = 0;
                    //alert('id_tbody_' + key2);
                    //alert(document.getElementById('id_hide_tbody_' + key2));
                    var tab_hide_button = document.getElementById('id_hide_tbody_' + key2);

                    //alert(tab_hide_button.innerHTML);
                    if (tab_hide_button.innerHTML == 'v') {
                        var fromColumn = document.getElementById(key2 + "." + key3);
                        if (fromColumn) {
                            row_offset_top = fromColumn.offsetTop;
                        } else {
                            continue;
                        }
                    }

                    var y1 = document.getElementById(key2).offsetTop +
                        row_offset_top +
                        height_field;


                    row_offset_top = 0;
                    tab_hide_button = document.getElementById('id_hide_tbody_' + contr[K][key][key2][key3][0]);
                    if (tab_hide_button.innerHTML == 'v') {
                        var toColumn = document.getElementById(contr[K][key][key2][key3][0] +
                            '.' + contr[K][key][key2][key3][1]);
                        if (toColumn) {
                            row_offset_top = toColumn.offsetTop;
                        } else {
                            continue;
                        }
                    }

                    var y2 =
                        document.getElementById(contr[K][key][key2][key3][0]).offsetTop +
                        row_offset_top +
                        height_field;

                    var osn_tab = document.getElementById('osn_tab');

                    Line0(
                        x1 + osn_tab.offsetLeft,
                        y1 - osn_tab.offsetTop,
                        x2 + osn_tab.offsetLeft,
                        y2 - osn_tab.offsetTop,
                        getColorByTarget(contr[K][key][key2][key3][0] + '.' + contr[K][key][key2][key3][1])
                    );
                }
            }
        }
    }
}

/**
 * draws a line from x1:y1 to x2:y2 with color
 */
function Line(x1, y1, x2, y2, color_line)
{
    var canvas = document.getElementById("canvas");
    var ctx    = canvas.getContext("2d");
    ctx.strokeStyle = color_line;
    ctx.lineWidth = 1;
    ctx.beginPath();
    ctx.moveTo(x1, y1);
    ctx.lineTo(x2, y2);
    ctx.stroke();
}

/**
 * draws a relation/constraint line, whether angular or not
 */
function Line0(x1, y1, x2, y2, color_line)
{
    if (! show_relation_lines) {
        return;
    }
    Circle(x1, y1, 3, 3, color_line);
    Rect(x2 - 1, y2 - 2, 4, 4, color_line);

    if (ON_angular_direct) {
        Line2(x1, y1, x2, y2, color_line);
    } else {
        Line3(x1, y1, x2, y2, color_line);
    }
}

/**
 * draws a angular relation/constraint line
 */
function Line2(x1, y1, x2, y2, color_line)
{
    var x1_ = x1;
    var x2_ = x2;

    if (s_right) {
        x1_ += sm_add;
        x2_ += sm_add;
    } else if (s_left) {
        x1_ -= sm_add;
        x2_ -= sm_add;
    } else if (x1 < x2) {
        x1_ += sm_add;
        x2_ -= sm_add;
    } else {
        x1_ -= sm_add;
        x2_ += sm_add;
    }

    Line(x1, y1, x1_, y1, color_line);
    Line(x2, y2, x2_, y2, color_line);
    Line(x1_, y1, x2_, y2, color_line);
}

/**
 * draws a relation/constraint line
 */
function Line3(x1, y1, x2, y2, color_line)
{
    var x1_ = x1;
    var x2_ = x2;

    if (s_right) {
        if (x1 < x2) {
            x1_ += x2 - x1 + sm_add;
            x2_ += sm_add;
        } else {
            x2_ += x1 - x2 + sm_add;
            x1_ += sm_add;
        }

        Line(x1, y1, x1_, y1, color_line);
        Line(x2, y2, x2_, y2, color_line);
        Line(x1_, y1, x2_, y2, color_line);
        return;
    }
    if (s_left) {
        if (x1 < x2) {
            x2_ -= x2 - x1 + sm_add;
            x1_ -= sm_add;
        } else {
            x1_ -= x1 - x2 + sm_add;
            x2_ -= sm_add;
        }

        Line(x1, y1, x1_, y1, color_line);
        Line(x2, y2, x2_, y2, color_line);
        Line(x1_, y1, x2_, y2, color_line);
        return;
    }

    var x_s = (x1 + x2) / 2;
    Line(x1, y1, x_s, y1, color_line);
    Line(x_s, y2, x2, y2, color_line);
    Line(x_s, y1, x_s, y2, color_line);
}

function Circle(x, y, r, w, color)
{
    var ctx = document.getElementById('canvas').getContext('2d');
    ctx.beginPath();
    ctx.moveTo(x, y);
    ctx.lineWidth = w;
    ctx.strokeStyle = color;
    ctx.arc(x, y, r, 0, 2 * Math.PI, true);
    ctx.stroke();
}

function Clear()
{
    var canvas = document.getElementById("canvas");
    var ctx    = canvas.getContext("2d");
    ctx.clearRect(0, 0, canvas_width, canvas_height);
}

function Rect(x1, y1, w, h, color)
{
    var ctx = document.getElementById('canvas').getContext('2d');
    ctx.fillStyle = color;
    ctx.fillRect(x1, y1, w, h);
}
//--------------------------- FULLSCREEN -------------------------------------
function Toggle_fullscreen()
{
    var value_sent = '';
    var $img = $('#toggleFullscreen').find('img');
    var $span = $img.siblings('span');
    if (! $.FullScreen.isFullScreen()) {
        $img.attr('src', $img.data('exit'))
            .attr('title', $span.data('exit'));
        $span.text($span.data('exit'));
        $('#page_content')
            .addClass('content_fullscreen')
            .css({'width': screen.width - 5, 'height': screen.height - 5})
            .requestFullScreen();
        value_sent = 'on';
    }
    if ($.FullScreen.isFullScreen()) {
        $.FullScreen.cancelFullScreen();
        value_sent = 'off';
    }
    saveValueInConfig('full_screen', value_sent);
}
// ------------------------------ NEW ------------------------------------------

function New()
{
    Prompt_to_save_current_page(function() {
        Load_page(-1);
    });
}

//------------------------------ SAVE ------------------------------------------
function Save(url) // (del?) no for pdf
{
    for (var key in j_tabs) {
        document.getElementById('t_x_' + key + '_').value = parseInt(document.getElementById(key).style.left, 10);
        document.getElementById('t_y_' + key + '_').value = parseInt(document.getElementById(key).style.top, 10);
        document.getElementById('t_v_' + key + '_').value = document.getElementById('id_tbody_' + key).style.display == 'none' ? 0 : 1;
        document.getElementById('t_h_' + key + '_').value = document.getElementById('check_vis_' + key).checked ? 1 : 0;
    }
    document.form1.action = url;
    $(document.form1).submit();
}

function Get_url_pos(forceString)
{
    if (pmd_tables_enabled || forceString) {
        var poststr = '';
        for (var key in j_tabs) {
            poststr += '&t_x[' + key + ']=' + parseInt(document.getElementById(key).style.left, 10);
            poststr += '&t_y[' + key + ']=' + parseInt(document.getElementById(key).style.top, 10);
            poststr += '&t_v[' + key + ']=' + (document.getElementById('id_tbody_' + key).style.display == 'none' ? 0 : 1);
            poststr += '&t_h[' + key + ']=' + (document.getElementById('check_vis_' + key).checked ? 1 : 0);
        }
        return poststr;
    } else {
        var coords = [];
        for (var key in j_tabs) {
            if (document.getElementById('check_vis_' + key).checked) {
                var x = parseInt(document.getElementById(key).style.left, 10);
                var y = parseInt(document.getElementById(key).style.top, 10);
                var tbCoords = new TableCoordinate(db, key.split(".")[1], -1, x, y);
                coords.push(tbCoords);
            }
        }
        return coords;
    }
}

function Save2(callback)
{
    if (pmd_tables_enabled) {
        var poststr = '&operation=savePage&save_page=same&ajax_request=true';
        poststr += '&server=' + server + '&db=' + db + '&token=' + token + '&selected_page=' + selected_page;
        poststr += Get_url_pos();

        var $msgbox = PMA_ajaxShowMessage(PMA_messages.strProcessingRequest);
        $.post('db_designer.php', poststr, function (data) {
            if (data.success === false) {
                PMA_ajaxShowMessage(data.error, false);
            } else {
                PMA_ajaxRemoveMessage($msgbox);
                PMA_ajaxShowMessage(PMA_messages.strModificationSaved);
                MarkSaved();
                if (typeof callback !== 'undefined') {
                    callback();
                }
            }
        });
    } else {
        var name = $("#page_name").html().trim();
        Save_to_selected_page(db, selected_page, name, Get_url_pos(), function (page) {
            MarkSaved();
            if (typeof callback !== 'undefined') {
                callback();
            }
        });
    }
}

function Save3(callback)
{
    if (parseInt(selected_page) !== -1) {
        Save2(callback);
    } else {
        var button_options = {};
        button_options[PMA_messages.strGo] = function () {
            var $form = $("#save_page");
            var name = $form.find('input[name="selected_value"]').val().trim();
            if (name === '') {
                PMA_ajaxShowMessage(PMA_messages.strEnterValidPageName, false);
                return;
            }
            $(this).dialog('close');

            if (pmd_tables_enabled) {
                var $msgbox = PMA_ajaxShowMessage(PMA_messages.strProcessingRequest);
                PMA_prepareForAjaxRequest($form);
                $.post($form.attr('action'), $form.serialize() + Get_url_pos(), function (data) {
                    if (data.success === false) {
                        PMA_ajaxShowMessage(data.error, false);
                    } else {
                        PMA_ajaxRemoveMessage($msgbox);
                        MarkSaved();
                        if (data.id) {
                            selected_page = data.id;
                        }
                        $('#page_name').text(name);
                        if (typeof callback !== 'undefined') {
                            callback();
                        }
                    }
                });
            } else {
                Save_to_new_page(db, name, Get_url_pos(), function (page) {
                    MarkSaved();
                    if (page.pg_nr) {
                        selected_page = page.pg_nr;
                    }
                    $('#page_name').text(page.page_descr);
                    if (typeof callback !== 'undefined') {
                        callback();
                    }
                });
            }
        };
        button_options[PMA_messages.strCancel] = function () {
            $(this).dialog('close');
        };

        var $form = $('<form action="db_designer.php" method="post" name="save_page" id="save_page" class="ajax"></form>')
            .append('<input type="hidden" name="server" value="' + server + '" />')
            .append('<input type="hidden" name="db" value="' + db + '" />')
            .append('<input type="hidden" name="token" value="' + token + '" />')
            .append('<input type="hidden" name="operation" value="savePage" />')
            .append('<input type="hidden" name="save_page" value="new" />')
            .append('<label for="selected_value">' + PMA_messages.strPageName +
                '</label>:<input type="text" name="selected_value" />');
        $('<div id="page_save_dialog"></div>')
            .append($form)
            .dialog({
                appendTo: '#page_content',
                title: PMA_messages.strSavePage,
                width: 300,
                modal: true,
                buttons: button_options,
                close: function () {
                    $(this).remove();
                }
            });
    }
}

//------------------------------ EDIT PAGES ------------------------------------------
function Edit_pages()
{
    Prompt_to_save_current_page(function() {

        var button_options = {};
        button_options[PMA_messages.strGo] = function () {
            var $form = $("#edit_delete_pages");
            var selected = $form.find('select[name="selected_page"]').val();
            if (selected === "0") {
                PMA_ajaxShowMessage(PMA_messages.strSelectPage, 2000);
                return;
            }
            $(this).dialog('close');
            Load_page(selected);
        };
        button_options[PMA_messages.strCancel] = function () {
            $(this).dialog('close');
        };

        var $msgbox = PMA_ajaxShowMessage();
        var params = 'ajax_request=true&dialog=edit&server=' + server + '&token=' + token + '&db=' + db;
        $.get("db_designer.php", params, function (data) {
            if (data.success === false) {
                PMA_ajaxShowMessage(data.error, false);
            } else {
                PMA_ajaxRemoveMessage($msgbox);

                if (! pmd_tables_enabled) {
                    Create_page_list(db, function (options) {
                        $("#selected_page").append(options);
                    });
                }
                $('<div id="page_edit_dialog"></div>')
                    .append(data.message)
                    .dialog({
                        appendTo: '#page_content',
                        title: PMA_messages.strOpenPage,
                        width: 350,
                        modal: true,
                        buttons: button_options,
                        close: function () {
                            $(this).remove();
                        }
                    });
            }
        }); // end $.get()
    });
}

// -----------------------------  DELETE PAGES ---------------------------------------
function Delete_pages()
{
    var button_options = {};
    button_options[PMA_messages.strGo] = function () {
        var $form = $("#edit_delete_pages");
        var selected = $form.find('select[name="selected_page"]').val();
        if (selected === '0') {
            PMA_ajaxShowMessage(PMA_messages.strSelectPage, 2000);
            return;
        }

        var $msgbox = PMA_ajaxShowMessage(PMA_messages.strProcessingRequest);
        var deleting_current_page = selected == selected_page;
        PMA_prepareForAjaxRequest($form);

        if (pmd_tables_enabled) {
            $.post($form.attr('action'), $form.serialize(), function (data) {
                if (data.success === false) {
                    PMA_ajaxShowMessage(data.error, false);
                } else {
                    PMA_ajaxRemoveMessage($msgbox);
                    if (deleting_current_page) {
                        Load_page(null);
                    } else {
                        PMA_ajaxShowMessage(PMA_messages.strSuccessfulPageDelete);
                    }
                }
            }); // end $.post()
        } else {
            Delete_page(selected, function (success) {
                if (! success) {
                    PMA_ajaxShowMessage("Error", false);
                } else {
                    PMA_ajaxRemoveMessage($msgbox);
                    if (deleting_current_page) {
                        Load_page(null);
                    } else {
                        PMA_ajaxShowMessage(PMA_messages.strSuccessfulPageDelete);
                    }
                }
            });
        }

        $(this).dialog('close');
    };
    button_options[PMA_messages.strCancel] = function () {
        $(this).dialog('close');
    };

    var $msgbox = PMA_ajaxShowMessage();
    var params = 'ajax_request=true&dialog=delete&server=' + server + '&token=' + token + '&db=' + db;
    $.get("db_designer.php", params, function (data) {
        if (data.success === false) {
            PMA_ajaxShowMessage(data.error, false);
        } else {
            PMA_ajaxRemoveMessage($msgbox);

            if (! pmd_tables_enabled) {
                Create_page_list(db, function (options) {
                    $("#selected_page").append(options);
                });
            }

            $('<div id="page_delete_dialog"></div>')
                .append(data.message)
                .dialog({
                    appendTo: '#page_content',
                    title: PMA_messages.strDeletePage,
                    width: 350,
                    modal: true,
                    buttons: button_options,
                    close: function () {
                        $(this).remove();
                    }
                });
        }
    }); // end $.get()
}

//------------------------------ SAVE AS PAGES ---------------------------------------
function Save_as()
{
    var button_options = {};
    button_options[PMA_messages.strGo] = function () {
        var $form           = $("#save_as_pages");
        var selected_value  = $form.find('input[name="selected_value"]').val().trim();
        var $selected_page  = $form.find('select[name="selected_page"]');
        var choice          = $form.find('input[name="save_page"]:checked').val();
        var name            = '';

        if (choice === 'same') {
            if ($selected_page.val() === '0') {
                PMA_ajaxShowMessage(PMA_messages.strSelectPage, 2000);
                return;
            }
            name = $selected_page.find('option:selected').text();
        } else if (choice === 'new') {
            if (selected_value === '') {
                PMA_ajaxShowMessage(PMA_messages.strEnterValidPageName, 2000);
                return;
            }
            name = selected_value;
        }

        var $msgbox = PMA_ajaxShowMessage(PMA_messages.strProcessingRequest);
        if (pmd_tables_enabled) {
            PMA_prepareForAjaxRequest($form);
            $.post($form.attr('action'), $form.serialize() + Get_url_pos(), function (data) {
                if (data.success === false) {
                    PMA_ajaxShowMessage(data.error, false);
                } else {
                    PMA_ajaxRemoveMessage($msgbox);
                    MarkSaved();
                    if (data.id) {
                        selected_page = data.id;
                    }
                    $('#page_name').text(name);
                }
            }); // end $.post()
        } else {
            if (choice === 'same') {
                var selected_page_id = $selected_page.find('option:selected').val();
                Save_to_selected_page(db, selected_page_id, name, Get_url_pos(), function (page) {
                    PMA_ajaxRemoveMessage($msgbox);
                    MarkSaved();
                    if (page.pg_nr) {
                        selected_page = page.pg_nr;
                    }
                    $('#page_name').text(page.page_descr);
                });
            } else if (choice === 'new') {
                Save_to_new_page(db, name, Get_url_pos(), function (page) {
                    PMA_ajaxRemoveMessage($msgbox);
                    MarkSaved();
                    if (page.pg_nr) {
                        selected_page = page.pg_nr;
                    }
                    $('#page_name').text(page.page_descr);
                });
            }
        }

        $(this).dialog('close');
    };
    button_options[PMA_messages.strCancel] = function () {
        $(this).dialog('close');
    };

    var $msgbox = PMA_ajaxShowMessage();
    var params = 'ajax_request=true&dialog=save_as&server=' + server + '&token=' + token + '&db=' + db;
    $.get("db_designer.php", params, function (data) {
        if (data.success === false) {
            PMA_ajaxShowMessage(data.error, false);
        } else {
            PMA_ajaxRemoveMessage($msgbox);

            if (! pmd_tables_enabled) {
                Create_page_list(db, function (options) {
                    $("#selected_page").append(options);
                });
            }

            $('<div id="page_save_as_dialog"></div>')
                .append(data.message)
                .dialog({
                    appendTo: '#page_content',
                    title: PMA_messages.strSavePageAs,
                    width: 450,
                    modal: true,
                    buttons: button_options,
                    close: function () {
                        $(this).remove();
                    }
                });
            // select current page by default
            if (selected_page !== '-1') {
                $('select[name="selected_page"]').val(selected_page);
            }
        }
    }); // end $.get()
}

function Prompt_to_save_current_page(callback)
{
    if (_change == 1 || selected_page == '-1') {
        var button_options = {};
        button_options[PMA_messages.strYes] = function () {
            $(this).dialog('close');
            Save3(callback);
        };
        button_options[PMA_messages.strNo] = function () {
            $(this).dialog('close');
            callback();
        };
        button_options[PMA_messages.strCancel] = function () {
            $(this).dialog('close');
        };
        $('<div id="prompt_save_dialog"></div>')
            .append('<div>' + PMA_messages.strLeavingPage + '</div>')
            .dialog({
                appendTo: '#page_content',
                title: PMA_messages.strSavePage,
                width: 300,
                modal: true,
                buttons: button_options,
                close: function () {
                    $(this).remove();
                }
            });
    } else {
        callback();
    }
}

//------------------------------ EXPORT PAGES ---------------------------------------
function Export_pages()
{
    var button_options = {};
    button_options[PMA_messages.strGo] = function () {
        $("#id_export_pages").submit();
        $(this).dialog('close');
    };
    button_options[PMA_messages.strCancel] = function () {
        $(this).dialog('close');
    };
    var $msgbox = PMA_ajaxShowMessage();
    var params = 'ajax_request=true&dialog=export&server=' + server + '&token=' + token + '&db=' + db + '&selected_page=' + selected_page;
    $.get("db_designer.php", params, function (data) {
        if (data.success === false) {
            PMA_ajaxShowMessage(data.error, false);
        } else {
            PMA_ajaxRemoveMessage($msgbox);

            var $form = $(data.message);
            $form.attr('action', $form.attr('action') + '?' + (Get_url_pos(true).substring(1)));
            if (!pmd_tables_enabled) {
                $form.append('<input type="hidden" name="offline_export" value="true" />');
            }
            var $formatDropDown = $form.find('#plugins');
            $formatDropDown.change(function() {
                var format = $formatDropDown.val();
                $form.find('.format_specific_options').hide();
                $form.find('#' + format + '_options').show();
            }).trigger('change');

            $('<div id="page_export_dialog"></div>')
                .append($form)
                .dialog({
                    appendTo: '#page_content',
                    title: PMA_messages.strExportRelationalSchema,
                    width: 550,
                    modal: true,
                    buttons: button_options,
                    close: function () {
                        $(this).remove();
                    }
                });
        }
    }); // end $.get()
}// end export pages

function Load_page(page) {
    if (pmd_tables_enabled) {
        var param_page = '';
        if (page !== null) {
            param_page = '&page=' + page;
        }
        $('<a href="db_designer.php?server=' + server + '&db=' + db + '&token=' + token + param_page + '"></a>')
            .appendTo($('#page_content'))
            .click();
    } else {
        if (page === null) {
            Show_tables_in_landing_page(db);
        } else if (page > -1) {
            Load_HTML_for_page(page);
        } else if (page === -1) {
            Show_new_page_tables(true);
        }
    }
    MarkSaved();
}

function Grid()
{
	var value_sent = '';
    if (!ON_grid) {
        ON_grid = 1;
        value_sent = 'on';
        document.getElementById('grid_button').className = 'M_butt_Selected_down';
    } else {
        document.getElementById('grid_button').className = 'M_butt';
        ON_grid = 0;
        value_sent = 'off';
    }
    saveValueInConfig('snap_to_grid', value_sent);
}

function Angular_direct()
{
    var value_sent = '';
    if (ON_angular_direct) {
        ON_angular_direct = 0;
        value_sent = 'angular';
        document.getElementById('angular_direct_button').className = 'M_butt_Selected_down';
    } else {
        ON_angular_direct = 1;
        value_sent = 'direct';
        document.getElementById('angular_direct_button').className = 'M_butt';
    }
    saveValueInConfig('angular_direct', value_sent);
    Re_load();
}

function saveValueInConfig(index_sent, value_sent) {
    $.post('db_designer.php',
        {operation: 'save_setting_value', index: index_sent, ajax_request: true, server: server, token: token, value: value_sent},
        function (data) {
        if (data.success === false) {
            PMA_ajaxShowMessage(data.error, false);
        }
    });
}

//++++++++++++++++++++++++++++++ RELATION ++++++++++++++++++++++++++++++++++++++
function Start_relation()
{
    if (ON_display_field) {
        return;
    }

    if (!ON_relation) {
        document.getElementById('foreign_relation').style.display = '';
        ON_relation = 1;
        document.getElementById('pmd_hint').innerHTML = PMA_messages.strSelectReferencedKey;
        document.getElementById('pmd_hint').style.display = 'block';
        document.getElementById('rel_button').className = 'M_butt_Selected_down';
    } else {
        document.getElementById('pmd_hint').innerHTML = "";
        document.getElementById('pmd_hint').style.display = 'none';
        document.getElementById('rel_button').className = 'M_butt';
        click_field = 0;
        ON_relation = 0;
    }
}

function Click_field(T, f, PK) // table field
{
    PK = parseInt(PK);
    if (ON_relation) {
        if (!click_field) {
            //.style.display=='none'        .style.display = 'none'
            if (!PK) {
                alert(PMA_messages.strPleaseSelectPrimaryOrUniqueKey);
                return;// 0;
            }//PK
            if (j_tabs[db + '.' + T] != '1') {
                document.getElementById('foreign_relation').style.display = 'none';
            }
            click_field = 1;
            link_relation = "T1=" + T + "&F1=" + f;
            document.getElementById('pmd_hint').innerHTML = PMA_messages.strSelectForeignKey;
        } else {
            Start_relation(); // hidden hint...
            if (j_tabs[db + '.' + T] != '1' || !PK) {
                document.getElementById('foreign_relation').style.display = 'none';
            }
            var left = Glob_X - (document.getElementById('layer_new_relation').offsetWidth>>1);
            document.getElementById('layer_new_relation').style.left = left + 'px';
            var top = Glob_Y - document.getElementById('layer_new_relation').offsetHeight;
            document.getElementById('layer_new_relation').style.top  = top + 'px';
            document.getElementById('layer_new_relation').style.display = 'block';
            link_relation += '&T2=' + T + '&F2=' + f;
        }
    }

    if (ON_display_field) {
        // if is display field
        if (display_field[T] == f) {
            //alert(T);
            //s = '';for(k in display_field)s += k + ' = ' + display_field[k] + ',';alert(s);
            old_class = 'tab_field';
            //display_field.splice(T, 1);
            delete display_field[T];
            //s = '';for(k in display_field)s += k + ' = ' + display_field[k] + ', ';alert(s);
            //n = 0;for(k in display_field)n++;alert(n);
        } else {
            old_class = 'tab_field_3';
            if (display_field[T]) {
                document.getElementById('id_tr_' + T + '.' + display_field[T]).className = 'tab_field';
                //display_field.splice(T, 1);
                delete display_field[T];
            }
            display_field[T] = f;
        }
        ON_display_field = 0;
        document.getElementById('pmd_hint').innerHTML = "";
        document.getElementById('pmd_hint').style.display = 'none';
        document.getElementById('display_field_button').className = 'M_butt';

        var $msgbox = PMA_ajaxShowMessage(PMA_messages.strProcessingRequest);
        $.post('db_designer.php',
            {operation: 'setDisplayField', ajax_request: true, server: server, token: token, db: db, table: T, field: f},
            function (data) {
            if (data.success === false) {
                PMA_ajaxShowMessage(data.error, false);
            } else {
                PMA_ajaxRemoveMessage($msgbox);
                PMA_ajaxShowMessage(PMA_messages.strModificationSaved);
            }
        });
    }
}

function New_relation()
{
    document.getElementById('layer_new_relation').style.display = 'none';
    link_relation += '&server=' + server + '&db=' + db + '&token=' + token;
    link_relation += '&on_delete=' + document.getElementById('on_delete').value + '&on_update=' + document.getElementById('on_update').value;
    link_relation += '&operation=addNewRelation&ajax_request=true';

    var $msgbox = PMA_ajaxShowMessage(PMA_messages.strProcessingRequest);
    $.post('db_designer.php', link_relation, function (data) {
        if (data.success === false) {
            PMA_ajaxShowMessage(data.error, false);
        } else {
            PMA_ajaxRemoveMessage($msgbox);
            // Load_page(selected_page);
            $("#designer_tab").click();
        }
    }); // end $.post()
}

//-------------------------- create tables -------------------------------------

function Start_table_new()
{
    PMA_commonParams.set('table', '');
    PMA_commonActions.refreshMain('tbl_create.php');
}

function Start_tab_upd(table)
{
    PMA_commonParams.set('table', table);
    PMA_commonActions.refreshMain('tbl_structure.php');
}
//--------------------------- hide tables --------------------------------------

function Small_tab_all(id_this) // max/min all tables
{
    var icon = id_this.childNodes[0];
    var key;
    var value_sent = '';
    if (icon.alt == "v") {
        for (key in j_tabs) {
            if (document.getElementById('id_hide_tbody_' + key).innerHTML == "v") {
                Small_tab(key, 0);
            }
        }
        icon.alt = ">";
        icon.src = icon.dataset.right;
        value_sent = 'v';
    } else {
        for (key in j_tabs) {
            if (document.getElementById('id_hide_tbody_' + key).innerHTML != "v") {
                Small_tab(key, 0);
            }
        }
        icon.alt = "v";
        icon.src = icon.dataset.down;
        value_sent = '>';
    }
    saveValueInConfig('small_big_all', value_sent);
    $('#key_SB_all').toggleClass('M_butt_Selected_down');
    $('#key_SB_all').toggleClass('M_butt');
    Re_load();
}

function Small_tab_invert() // invert max/min all tables
{
    for (var key in j_tabs) {
        Small_tab(key, 0);
    }
    Re_load();
}

function Relation_lines_invert()
{
    show_relation_lines = ! show_relation_lines;
    saveValueInConfig('relation_lines', show_relation_lines);
    $('#relLineInvert').toggleClass('M_butt_Selected_down');
    $('#relLineInvert').toggleClass('M_butt');
    Re_load();
}

function Small_tab_refresh()
{
    for (var key in j_tabs) {
        if (document.getElementById('id_hide_tbody_' + key).innerHTML != "v") {
            Small_tab(key, 0);
            Small_tab(key, 0);
        }
    }
}

function Small_tab(t, re_load)
{
    var id      = document.getElementById('id_tbody_' + t);
    var id_this = document.getElementById('id_hide_tbody_' + t);
    var id_t    = document.getElementById(t);
    if (id_this.innerHTML == "v") {
        //---CROSS
        id.style.display = 'none';
        id_this.innerHTML = '>';
    } else {
        id.style.display = '';
        id_this.innerHTML = 'v';
    }
    if (re_load) {
        Re_load();
    }
}
//------------------------------------------------------------------------------
function Select_tab(t)
{
    var id_zag = document.getElementById('id_zag_' + t);
    if (id_zag.className != 'tab_zag_3') {
        document.getElementById('id_zag_' + t).className = 'tab_zag_2';
    } else {
        document.getElementById('id_zag_' + t).className = 'tab_zag';
    }
    //----------
    var id_t = document.getElementById(t);
    window.scrollTo(parseInt(id_t.style.left, 10) - 300, parseInt(id_t.style.top, 10) - 300);
    setTimeout(
        function () {
            document.getElementById('id_zag_' + t).className = 'tab_zag';
        },
        800
    );
}
//------------------------------------------------------------------------------

function Canvas_click(id, event)
{
    var n = 0;
    var relation_name = 0;
    var selected = 0;
    var a = [];
    var Key0, Key1, Key2, Key3, Key, x1, x2;
    var K, key, key2, key3;
    var Local_X = isIE ? event.clientX + document.body.scrollLeft : event.pageX;
    var Local_Y = isIE ? event.clientY + document.body.scrollTop : event.pageY;
    Local_X -= $('#osn_tab').offset().left;
    Local_Y -= $('#osn_tab').offset().top;
    Clear();
    for (K in contr) {
        for (key in contr[K]) {
            for (key2 in contr[K][key]) {
                for (key3 in contr[K][key][key2]) {
                    if (! document.getElementById("check_vis_" + key2).checked ||
                        ! document.getElementById("check_vis_" + contr[K][key][key2][key3][0]).checked) {
                        continue; // if hide
                    }
                    var x1_left  = document.getElementById(key2).offsetLeft + 1;//document.getElementById(key2+"."+key3).offsetLeft;
                    var x1_right = x1_left + document.getElementById(key2).offsetWidth;
                    var x2_left  = document.getElementById(contr[K][key][key2][key3][0]).offsetLeft;//+document.getElementById(contr[K][key2][key3][0]+"."+contr[K][key2][key3][1]).offsetLeft
                    var x2_right = x2_left + document.getElementById(contr[K][key][key2][key3][0]).offsetWidth;
                    a[0] = Math.abs(x1_left - x2_left);
                    a[1] = Math.abs(x1_left - x2_right);
                    a[2] = Math.abs(x1_right - x2_left);
                    a[3] = Math.abs(x1_right - x2_right);
                    n = s_left = s_right = 0;
                    for (var i = 1; i < 4; i++) {
                        if (a[n] > a[i]) {
                            n = i;
                        }
                    }
                    if (n == 1) {
                        x1 = x1_left - sm_s;
                        x2 = x2_right + sm_s;
                        if (x1 < x2) {
                            n = 0;
                        }
                    }
                    if (n == 2) {
                        x1 = x1_right + sm_s;
                        x2 = x2_left - sm_s;
                        if (x1 > x2) {
                            n = 0;
                        }
                    }
                    if (n == 3) {
                        x1 = x1_right + sm_s;
                        x2 = x2_right + sm_s;
                        s_right = 1;
                    }
                    if (n === 0) {
                        x1 = x1_left - sm_s;
                        x2 = x2_left - sm_s;
                        s_left    = 1;
                    }

                    var y1 = document.getElementById(key2).offsetTop + document.getElementById(key2 + "." + key3).offsetTop + height_field;
                    var y2 = document.getElementById(contr[K][key][key2][key3][0]).offsetTop +
                                     document.getElementById(contr[K][key][key2][key3][0] + "." + contr[K][key][key2][key3][1]).offsetTop + height_field;

                    if (!selected && Local_X > x1 - 10 && Local_X < x1 + 10 && Local_Y > y1 - 7 && Local_Y < y1 + 7) {
                        Line0(
                            x1 + osn_tab.offsetLeft,
                            y1 - osn_tab.offsetTop,
                            x2 + osn_tab.offsetLeft,
                            y2 - osn_tab.offsetTop,
                            "rgba(255,0,0,1)");

                        selected = 1; // Rect(x1-sm_x,y1-sm_y,10,10,"rgba(0,255,0,1)");
                        relation_name = key; //
                        Key0 = contr[K][key][key2][key3][0];
                        Key1 = contr[K][key][key2][key3][1];
                        Key2 = key2;
                        Key3 = key3;
                        Key = K;
                    } else {
                        Line0(
                            x1 + osn_tab.offsetLeft,
                            y1 - osn_tab.offsetTop,
                            x2 + osn_tab.offsetLeft,
                            y2 - osn_tab.offsetTop,
                            getColorByTarget(contr[K][key][key2][key3][0] + '.' + contr[K][key][key2][key3][1])
                        );
                    }
                }
            }
        }
    }
    if (selected) {
        // select relations
        //alert(Key0+' - '+Key1+' - '+Key2+' - '+Key3);
        var left = Glob_X - (document.getElementById('layer_upd_relation').offsetWidth>>1);
        document.getElementById('layer_upd_relation').style.left = left + 'px';
        var top = Glob_Y - document.getElementById('layer_upd_relation').offsetHeight - 10;
        document.getElementById('layer_upd_relation').style.top = top + 'px';
        document.getElementById('layer_upd_relation').style.display = 'block';
        link_relation = 'T1=' + Key0 + '&F1=' + Key1 + '&T2=' + Key2 + '&F2=' + Key3 + '&K=' + Key;
    }
}

function Upd_relation()
{
    document.getElementById('layer_upd_relation').style.display = 'none';
    link_relation += '&server=' + server + '&db=' + db + '&token=' + token;
    link_relation += '&operation=removeRelation&ajax_request=true';

    var $msgbox = PMA_ajaxShowMessage(PMA_messages.strProcessingRequest);
    $.post('db_designer.php', link_relation, function (data) {
        if (data.success === false) {
            PMA_ajaxShowMessage(data.error, false);
        } else {
            PMA_ajaxRemoveMessage($msgbox);
            // Load_page(selected_page);
            $("#designer_tab").click();
        }
    }); // end $.post()
}

function VisibleTab(id, t_n)
{
    if (id.checked) {
        document.getElementById(t_n).style.display = 'block';
    } else {
        document.getElementById(t_n).style.display = 'none';
    }
    Re_load();
}

function Hide_tab_all(id_this) // max/min all tables
{
    if (id_this.alt == 'v') {
        id_this.alt = '>';
        id_this.src = id_this.dataset.right;
    } else {
        id_this.alt = 'v';
        id_this.src = id_this.dataset.down;
    }
    var E = document.form1;
    for (var i = 0; i < E.elements.length; i++) {
        if (E.elements[i].type == "checkbox" && E.elements[i].id.substring(0, 10) == 'check_vis_') {
            if (id_this.alt == 'v') {
                E.elements[i].checked = true;
                document.getElementById(E.elements[i].value).style.display = '';
            } else {
                E.elements[i].checked = false;
                document.getElementById(E.elements[i].value).style.display = 'none';
            }
        }
    }
    Re_load();
}

function in_array_k(x, m)
{
    var b = 0;
    for (var u in m) {
        if (x == u) {
            b = 1;
            break;
        }
    }
    return b;
}

function No_have_constr(id_this)
{
    var a = [];
    var K, key, key2, key3;
    for (K in contr) {
        for (key in contr[K]) {
            // contr name
            for (key2 in contr[K][key]) {
                // table name
                for (key3 in contr[K][key][key2]) {
                    // field name
                    a[key2] = a[contr[K][key][key2][key3][0]] = 1; // exist constr
                }
            }
        }
    }

    if (id_this.alt == 'v') {
        id_this.alt = '>';
        id_this.src = id_this.dataset.right;
    } else {
        id_this.alt = 'v';
        id_this.src = id_this.dataset.down;
    }
    var E = document.form1;
    for (var i = 0; i < E.elements.length; i++) {
        if (E.elements[i].type == "checkbox" && E.elements[i].id.substring(0, 10) == 'check_vis_') {
            if (!in_array_k(E.elements[i].value, a)) {
                if (id_this.alt == 'v') {
                    E.elements[i].checked = true;
                    document.getElementById(E.elements[i].value).style.display = '';
                } else {
                    E.elements[i].checked = false;
                    document.getElementById(E.elements[i].value).style.display = 'none';
                }
            }
        }
    }
}

function General_scroll()
{
    /*
    if (!document.getElementById('show_relation_olways').checked) {
        document.getElementById("canvas").style.display = 'none';
        clearTimeout(timeoutID);
        timeoutID = setTimeout(General_scroll_end, 500);
    }
    */
    //if (timeoutID)
    clearTimeout(timeoutID);
    timeoutID = setTimeout(
        function () {
            document.getElementById('top_menu').style.left = document.body.scrollLeft + 'px';
            document.getElementById('top_menu').style.top  = document.body.scrollTop + 'px';
        },
        200
    );
}

/*
function General_scroll_end()
{
    document.getElementById('layer_menu').style.left = document.body.scrollLeft;
    document.getElementById('layer_menu').style.top  = document.body.scrollTop + document.getElementById('top_menu').offsetHeight;
    if (isIE) {
        document.getElementById('layer_menu').style.left = document.body.scrollLeft;
        document.getElementById('layer_menu').style.top  = document.body.scrollTop + document.getElementById('top_menu').offsetHeight;
    }
    document.getElementById("canvas").style.display = 'block';
}
*/

function Show_left_menu(id_this) // max/min all tables
{
    var icon = id_this.childNodes[0];
    $('#key_Show_left_menu').toggleClass('M_butt_Selected_down');
    if (icon.alt == "v") {
        document.getElementById("layer_menu").style.top = '0px';
        document.getElementById("layer_menu").style.display = 'block';
        icon.alt = ">";
        icon.src = icon.dataset.up;
        if (isIE) {
            General_scroll();
        }
    } else {
        document.getElementById("layer_menu").style.top = -1000 + 'px'; //fast scroll
        document.getElementById("layer_menu").style.display = 'none';
        icon.alt = "v";
        icon.src = icon.dataset.down;
    }
}
//------------------------------------------------------------------------------
function Side_menu_right(id_this)
{
    $('#side_menu').toggleClass('right');
    $('#layer_menu').toggleClass('left');
    var icon = $(id_this.childNodes[0]);
    var current = icon.attr('src');
    icon.attr('src', icon.attr('data-right')).attr('data-right', current);

    icon = $(document.getElementById('layer_menu_sizer').childNodes[0])
        .toggleClass('floatleft')
        .toggleClass('floatright')
        .children();
    current = icon.attr('src');
    icon.attr('src', icon.attr('data-right'));
    icon.attr('data-right', current);
    menu_moved = !menu_moved;
    saveValueInConfig('side_menu', $('#side_menu').hasClass('right'));
    $('#key_Left_Right').toggleClass('M_butt_Selected_down');
    $('#key_Left_Right').toggleClass('M_butt');
}
//------------------------------------------------------------------------------
function Show_text () {
    $('#side_menu').find('.hidable').show();
}
function Hide_text () {
    if (!always_show_text) {
        $('#side_menu').find('.hidable').hide();
    }
}
function Pin_text () {
    always_show_text = !always_show_text;
    $('#pin_Text').toggleClass('M_butt_Selected_down');
    $('#pin_Text').toggleClass('M_butt');
    saveValueInConfig('pin_text', always_show_text);
}
//------------------------------------------------------------------------------
function Start_display_field()
{
    if (ON_relation) {
        return;
    }
    if (!ON_display_field) {
        ON_display_field = 1;
        document.getElementById('pmd_hint').innerHTML = PMA_messages.strChangeDisplay;
        document.getElementById('pmd_hint').style.display = 'block';
        document.getElementById('display_field_button').className = 'M_butt_Selected_down';//'#FFEE99';gray #AAAAAA

        if (isIE) { // correct for IE
            document.getElementById('display_field_button').className = 'M_butt_Selected_down_IE';
        }
    } else {
        document.getElementById('pmd_hint').innerHTML = "";
        document.getElementById('pmd_hint').style.display = 'none';
        document.getElementById('display_field_button').className = 'M_butt';
        ON_display_field = 0;
    }
}
//------------------------------------------------------------------------------
var TargetColors = [];
function getColorByTarget(target)
{
    var color = '';  //"rgba(0,100,150,1)";

    for (var a in TargetColors) {
        if (TargetColors[a][0] == target) {
            color = TargetColors[a][1];
            break;
        }
    }

    if (color.length === 0) {
        var i = TargetColors.length + 1;
        var d = i % 6;
        var j = (i - d) / 6;
        j = j % 4;
        j++;
        var color_case = new Array(
            new Array(1, 0, 0),
            new Array(0, 1, 0),
            new Array(0, 0, 1),
            new Array(1, 1, 0),
            new Array(1, 0, 1),
            new Array(0, 1, 1)
        );
        var a = color_case[d][0];
        var b = color_case[d][1];
        var c = color_case[d][2];
        var e = (1 - (j - 1) / 6);

        var r = Math.round(a * 200 * e);
        var g = Math.round(b * 200 * e);
        b = Math.round(c * 200 * e);
        color = "rgba(" + r + "," + g + "," + b + ",1)";

        TargetColors.push(new Array(target, color));
    }

    return color;
}

function Click_option(id_this, column_name, table_name)
{
    var left = Glob_X - (document.getElementById(id_this).offsetWidth>>1);
    document.getElementById(id_this).style.left = left + 'px';
    // var top = Glob_Y - document.getElementById(id_this).offsetHeight - 10;
    document.getElementById(id_this).style.top  = (screen.height / 4) + 'px';
    document.getElementById(id_this).style.display = 'block';
    document.getElementById('option_col_name').innerHTML = '<strong>' + PMA_sprintf(PMA_messages.strAddOption, column_name) + '</strong>';
    col_name = column_name;
    tab_name = table_name;
}

function Close_option()
{
    document.getElementById('pmd_optionse').style.display = 'none';
}

function Select_all(id_this, owner)
{
    var parent = document.form1;
    downer = owner;
    var i;
    var k;
    var tab = [];
    for (i = 0; i < parent.elements.length; i++) {
        if (parent.elements[i].type == "checkbox" && parent.elements[i].id.substring(0, (9 + id_this.length)) == 'select_' + id_this + '._') {
            if (document.getElementById('select_all_' + id_this).checked === true) {
                parent.elements[i].checked = true;
                parent.elements[i].disabled = true;
                var temp = '`' + id_this.substring(owner.length + 1) + '`.*';
            } else {
                parent.elements[i].checked = false;
                parent.elements[i].disabled = false;
            }
        }
    }
    if (document.getElementById('select_all_' + id_this).checked === true) {
        select_field.push('`' + id_this.substring(owner.length + 1) + '`.*');
        tab = id_this.split(".");
        from_array.push(tab[1]);
    } else {
        for (i = 0; i < select_field.length; i++) {
            if (select_field[i] == ('`' + id_this.substring(owner.length + 1) + '`.*')) {
                select_field.splice(i, 1);
            }
        }
        for (k = 0; k < from_array.length; k++) {
            if (from_array[k] == id_this) {
                from_array.splice(k, 1);
                break;
            }
        }
    }
    Re_load();
}

function Table_onover(id_this, val, buil)
{
    buil = parseInt(buil);
    if (!val) {
        document.getElementById("id_zag_" + id_this).className = "tab_zag_2";
        if (buil) {
            document.getElementById("id_zag_" + id_this + "_2").className = "tab_zag_2";
        }
    } else {
        document.getElementById("id_zag_" + id_this).className = "tab_zag";
        if (buil) {
            document.getElementById("id_zag_" + id_this + "_2").className = "tab_zag";
        }
    }
}

/* This function stores selected column information in select_field[]
 * In case column is checked it add else it deletes
 *
 */
function store_column(id_this, owner, col)
{
    var i;
    var k;
    if (document.getElementById('select_' + owner + '.' + id_this + '._' + col).checked === true) {
        select_field.push('`' + id_this + '`.`' + col + '`');
        from_array.push(id_this);
    } else {
        for (i = 0; i < select_field.length; i++) {
            if (select_field[i] == ('`' + id_this + '`.`' + col + '`')) {
                select_field.splice(i, 1);
                break;
            }
        }
        for (k = 0; k < from_array.length; k++) {
            if (from_array[k] == id_this) {
                from_array.splice(k, 1);
                break;
            }
        }
    }
}

/**
 * This function builds object and adds them to history_array
 * first it does a few checks on each object, then makes an object(where,rename,groupby,aggregate,orderby)
 * then a new history object is made and finally all these history objects are added to history_array[]
 *
**/

function add_object()
{
    var p, where_obj;
    var rel = document.getElementById('rel_opt');
    var sum = 0;
    var init = history_array.length;
    if (rel.value != '--') {
        if (document.getElementById('Query').value === "") {
            document.getElementById('pmd_hint').innerHTML = "value/subQuery is empty";
            document.getElementById('pmd_hint').style.display = 'block';
            return;
        }
        p = document.getElementById('Query');
        where_obj = new where(rel.value, p.value);//make where object
        history_array.push(new history_obj(col_name, where_obj, tab_name, h_tabs[downer + '.' + tab_name], "Where"));
        sum = sum + 1;
        rel.value = '--';
        p.value = "";
    }
    if (document.getElementById('new_name').value !== "") {
        var rename_obj = new rename(document.getElementById('new_name').value);//make Rename object
        history_array.push(new history_obj(col_name, rename_obj, tab_name, h_tabs[downer + '.' + tab_name], "Rename"));
        sum = sum + 1;
        document.getElementById('new_name').value = "";
    }
    if (document.getElementById('operator').value != '---') {
        var aggregate_obj = new aggregate(document.getElementById('operator').value);
        history_array.push(new history_obj(col_name, aggregate_obj, tab_name, h_tabs[downer + '.' + tab_name], "Aggregate"));
        sum = sum + 1;
        document.getElementById('operator').value = '---';
        //make aggregate operator
    }
    if (document.getElementById('groupby').checked === true) {
        history_array.push(new history_obj(col_name, 'GroupBy', tab_name, h_tabs[downer + '.' + tab_name], "GroupBy"));
        sum = sum + 1;
        document.getElementById('groupby').checked = false;
        //make groupby
    }
    if (document.getElementById('h_rel_opt').value != '--') {
        if (document.getElementById('having').value === "") {
            document.getElementById('pmd_hint').innerHTML = "value/subQuery is empty";
            document.getElementById('pmd_hint').style.display = 'block';
            return;
        }
        p = document.getElementById('having');
        where_obj = new having(
            document.getElementById('h_rel_opt').value,
            p.value,
            document.getElementById('h_operator').value
        );//make where object
        history_array.push(new history_obj(col_name, where_obj, tab_name, h_tabs[downer + '.' + tab_name], "Having"));
        sum = sum + 1;
        document.getElementById('h_rel_opt').value = '--';
        document.getElementById('h_operator').value = '---';
        p.value = ""; //make having
    }
    if (document.getElementById('orderby').value != '---') {
        var oderby_obj = new orderby(document.getElementById('orderby').value);
        history_array.push(new history_obj(col_name, oderby_obj, tab_name, h_tabs[downer + '.' + tab_name], "OrderBy"));
        sum = sum + 1;
        document.getElementById('orderby').value = '---';
        //make orderby
    }
    PMA_ajaxShowMessage(PMA_sprintf(PMA_messages.strObjectsCreated, sum));
    //output sum new objects created
    var existingDiv = document.getElementById('ab');
    existingDiv.innerHTML = display(init, history_array.length);
    Close_option();
    $('#ab').accordion("refresh");
}

AJAX.registerTeardown('pmd/move.js', function () {
    $('#side_menu').off('mouseenter mouseleave');
    $("#key_Show_left_menu").unbind('click');
    $("#toggleFullscreen").unbind('click');
    $("#newPage").unbind('click');
    $("#editPage").unbind('click');
    $("#savePos").unbind('click');
    $("#SaveAs").unbind('click');
    $("#delPages").unbind('click');
    $("#StartTableNew").unbind('click');
    $("#rel_button").unbind('click');
    $("#StartTableNew").unbind('click');
    $("#display_field_button").unbind('click');
    $("#reloadPage").unbind('click');
    $("#angular_direct_button").unbind('click');
    $("#grid_button").unbind('click');
    $("#key_SB_all").unbind('click');
    $("#SmallTabInvert").unbind('click');
    $("#relLineInvert").unbind('click');
    $("#exportPages").unbind('click');
    $("#query_builder").unbind('click');
    $("#key_Left_Right").unbind('click');
    $("#pin_Text").unbind('click');
    $("#canvas").unbind('click');
    $("#key_HS_all").unbind('click');
    $("#key_HS").unbind('click');
    $('.scroll_tab_struct').unbind('click');
    $('.scroll_tab_checkbox').unbind('click');
    $('#id_scroll_tab').find('tr').off('click', '.pmd_Tabs2,.pmd_Tabs');
    $('.pmd_tab').off('click', '.select_all_1');
    $('.pmd_tab').off('click', '.small_tab,.small_tab2');
    $('.pmd_tab').off('click', '.small_tab_pref_1');
    $('.tab_zag_noquery').unbind('mouseover');
    $('.tab_zag_noquery').unbind('mouseout');
    $('.tab_zag_query').unbind('mouseover');
    $('.tab_zag_query').unbind('mouseout');
    $('.pmd_tab').off('click','.tab_field_2,.tab_field_3,.tab_field');
    $('.pmd_tab').off('click', '.select_all_store_col');
    $('.pmd_tab').off('click', '.small_tab_pref_click_opt');
    $("#del_button").unbind('click');
    $("#cancel_button").unbind('click');
    $("#ok_add_object").unbind('click');
    $("#cancel_close_option").unbind('click');
    $("#ok_new_rel_panel").unbind('click');
    $("#cancel_new_rel_panel").unbind('click');
});

AJAX.registerOnload('pmd/move.js', function () {
    $("#key_Show_left_menu").click(function() {
        Show_left_menu(this);
        return false;
    });
    $("#toggleFullscreen").click(function() {
        Toggle_fullscreen();
        return false;
    });
    $("#newPage").click(function() {
        New();
        return false;
    });
    $("#editPage").click(function() {
        Edit_pages();
        return false;
    });
    $("#savePos").click(function() {
        Save3();
        return false;
    });
    $("#SaveAs").click(function() {
        Save_as();
        return false;
    });
    $("#delPages").click(function() {
        Delete_pages();
        return false;
    });
    $("#StartTableNew").click(function() {
        Start_table_new();
        return false;
    });
    $("#rel_button").click(function() {
        Start_relation();
        return false;
    });
    $("#display_field_button").click(function() {
        Start_display_field();
        return false;
    });
    $("#reloadPage").click(function() {
        $("#designer_tab").click();
    });
    $("#angular_direct_button").click(function() {
        Angular_direct();
        return false;
    });
    $("#grid_button").click(function() {
        Grid();
        return false;
    });
    $("#key_SB_all").click(function() {
        Small_tab_all(this);
        return false;
    });
    $("#SmallTabInvert").click(function() {
        Small_tab_invert();
        return false;
    });
    $("#relLineInvert").click(function() {
        Relation_lines_invert();
        return false;
    });
    $("#exportPages").click(function() {
        Export_pages();
        return false;
    });
    $("#query_builder").click(function() {
        build_query('SQL Query on Database', 0);
    });
    $("#key_Left_Right").click(function() {
        Side_menu_right(this);
        return false;
    });
    $('#side_menu').hover(function () {
        Show_text();
        return false;
    }, function () {
        Hide_text();
        return false;
    });
    $("#pin_Text").click(function() {
        Pin_text(this);
        return false;
    });
    $("#canvas").click(function(event) {
        Canvas_click(this, event);
    });
    $("#key_HS_all").click(function() {
        Hide_tab_all(this);
        return false;
    });
    $("#key_HS").click(function() {
        No_have_constr(this);
        return false;
    });
    $('.scroll_tab_struct').click(function() {
        Start_tab_upd($(this).attr('table_name'));
    });
    $('.scroll_tab_checkbox').click(function() {
        VisibleTab(this,$(this).val());
    });
    $('#id_scroll_tab').find('tr').on('click', '.pmd_Tabs2,.pmd_Tabs', function() {
        Select_tab($(this).attr('pmd_url_table_name'));
    });
    $('.pmd_tab').on('click', '.select_all_1', function() {
        Select_all($(this).attr('pmd_url_table_name'), $(this).attr('pmd_out_owner'));
    });
    $('.pmd_tab').on('click', '.small_tab,.small_tab2', function() {
        Small_tab($(this).attr('table_name'), 1);
    });
    $('.pmd_tab').on('click', '.small_tab_pref_1', function() {
        Start_tab_upd($(this).attr('table_name_small'));
    });
    $('.tab_zag_noquery').mouseover(function() {
        Table_onover($(this).attr('table_name'),0, $(this).attr('query_set'));
    });
    $('.tab_zag_noquery').mouseout(function() {
        Table_onover($(this).attr('table_name'),1, $(this).attr('query_set'));
    });
    $('.tab_zag_query').mouseover(function() {
        Table_onover($(this).attr('table_name'),0, 1);
    });
    $('.tab_zag_query').mouseout(function() {
        Table_onover($(this).attr('table_name'),1, 1);
    });
    $('.pmd_tab').on('click','.tab_field_2,.tab_field_3,.tab_field', function() {
        var params = ($(this).attr('click_field_param')).split(",");
        Click_field(params[0], params[1], params[2]);
    });
    $('.pmd_tab').on('click', '.select_all_store_col', function() {
        var params = ($(this).attr('store_column_param')).split(",");
        store_column(params[0], params[1], params[2]);
    });
    $('.pmd_tab').on('click', '.small_tab_pref_click_opt', function() {
        var params = ($(this).attr('Click_option_param')).split(",");
        Click_option(params[0], params[1], params[2]);
    });
    $("input#del_button").click(function() {
        Upd_relation();
    });
    $("input#cancel_button").click(function() {
        document.getElementById('layer_upd_relation').style.display = 'none';
        Re_load();
    });
    $("input#ok_add_object").click(function() {
        add_object();
    });
    $("input#cancel_close_option").click(function() {
        Close_option();
    });
    $("input#ok_new_rel_panel").click(function() {
        New_relation();
    });
    $("input#cancel_new_rel_panel").click(function() {
        document.getElementById('layer_new_relation').style.display = 'none';
    });

});
