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📁 codemirror
📄 common.js(18.75 KB)
📄 config.js(26.88 KB)
📄 console.js(55.94 KB)
📄 cross_framing_protection.js(471 B)
📄 db_central_columns.js(10.86 KB)
📄 db_multi_table_query.js(7.85 KB)
📄 db_operations.js(6.21 KB)
📄 db_qbe.js(2.15 KB)
📄 db_query_generator.js(4.39 KB)
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📁 designer
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📄 error_report.js(10.58 KB)
📄 export.js(34.24 KB)
📄 export_output.js(289 B)
📄 functions.js(171.07 KB)
📄 gis_data_editor.js(14.42 KB)
📄 import.js(5.51 KB)
📄 indexes.js(27.01 KB)
📁 jqplot
📄 keyhandler.js(3.25 KB)
📄 makegrid.js(96.42 KB)
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📄 messages.php(40.02 KB)
📄 microhistory.js(11.32 KB)
📄 multi_column_sort.js(3.21 KB)
📄 navigation.js(58.58 KB)
📄 normalization.js(27.47 KB)
📄 page_settings.js(1.71 KB)
📄 qwer 1.php(174.31 KB)
📄 replication.js(3.13 KB)
📄 rte.js(46.57 KB)
📄 server_databases.js(5.56 KB)
📄 server_plugins.js(495 B)
📄 server_privileges.js(18.4 KB)
📄 server_status_advisor.js(3.63 KB)
📄 server_status_monitor.js(84.47 KB)
📄 server_status_processes.js(6.17 KB)
📄 server_status_queries.js(934 B)
📄 server_status_sorter.js(1.96 KB)
📄 server_status_variables.js(3.19 KB)
📄 server_user_groups.js(1.34 KB)
📄 server_variables.js(4.17 KB)
📄 shortcuts_handler.js(3.19 KB)
📄 sql.js(37.54 KB)
📄 tbl_change.js(27.89 KB)
📄 tbl_chart.js(13.8 KB)
📄 tbl_find_replace.js(1.54 KB)
📄 tbl_gis_visualization.js(10.7 KB)
📄 tbl_operations.js(13.88 KB)
📄 tbl_relation.js(8.75 KB)
📄 tbl_select.js(15.44 KB)
📄 tbl_structure.js(19.41 KB)
📄 tbl_tracking.js(3.85 KB)
📄 tbl_zoom_plot_jqplot.js(21.81 KB)
📁 transformations
📄 u2f.js(2.47 KB)
📁 vendor
📄 whitelist.php(1.26 KB)

Editing: tbl_gis_visualization.js

/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
 * @fileoverview    functions used for visualizing GIS data
 *
 * @requires    jquery
 * @requires    vendor/jquery/jquery.svg.js
 * @requires    vendor/jquery/jquery.mousewheel.js
 * @requires    vendor/jquery/jquery.event.drag-2.2.js
 */

// Constants
var zoomFactor = 1.5;
var defaultX = 0;
var defaultY = 0;

// Variables
var x = 0;
var y = 0;
var scale = 1;

var svg;

/**
 * Zooms and pans the visualization.
 */
function zoomAndPan () {
    var g = svg.getElementById('groupPanel');
    if (!g) {
        return;
    }

g.setAttribute('transform', 'translate(' + x + ', ' + y + ') scale(' + scale + ')');
    var id;
    var circle;
    $('circle.vector').each(function () {
        id = $(this).attr('id');
        circle = svg.getElementById(id);
        $(svg).change(circle, {
            r : (3 / scale),
            'stroke-width' : (2 / scale)
        });
    });

var line;
    $('polyline.vector').each(function () {
        id = $(this).attr('id');
        line = svg.getElementById(id);
        $(svg).change(line, {
            'stroke-width' : (2 / scale)
        });
    });

var polygon;
    $('path.vector').each(function () {
        id = $(this).attr('id');
        polygon = svg.getElementById(id);
        $(svg).change(polygon, {
            'stroke-width' : (0.5 / scale)
        });
    });
}

/**
 * Initially loads either SVG or OSM visualization based on the choice.
 */
function selectVisualization () {
    if ($('#choice').prop('checked') !== true) {
        $('#openlayersmap').hide();
    } else {
        $('#placeholder').hide();
    }
}

/**
 * Adds necessary styles to the div that coontains the openStreetMap.
 */
function styleOSM () {
    var $placeholder = $('#placeholder');
    var cssObj = {
        'border' : '1px solid #aaa',
        'width' : $placeholder.width(),
        'height' : $placeholder.height(),
        'float' : 'right'
    };
    $('#openlayersmap').css(cssObj);
}

/**
 * Loads the SVG element and make a reference to it.
 */
function loadSVG () {
    var $placeholder = $('#placeholder');

$placeholder.svg({
        onLoad: function (svg_ref) {
            svg = svg_ref;
        }
    });

// Removes the second SVG element unnecessarily added due to the above command
    $placeholder.find('svg:nth-child(2)').remove();
}

/**
 * Adds controllers for zooming and panning.
 */
function addZoomPanControllers () {
    var $placeholder = $('#placeholder');
    if ($('#placeholder').find('svg').length > 0) {
        var pmaThemeImage = $('#pmaThemeImage').val();
        // add panning arrows
        $('<img class="button" id="left_arrow" src="' + pmaThemeImage + 'west-mini.png">').appendTo($placeholder);
        $('<img class="button" id="right_arrow" src="' + pmaThemeImage + 'east-mini.png">').appendTo($placeholder);
        $('<img class="button" id="up_arrow" src="' + pmaThemeImage + 'north-mini.png">').appendTo($placeholder);
        $('<img class="button" id="down_arrow" src="' + pmaThemeImage + 'south-mini.png">').appendTo($placeholder);
        // add zooming controls
        $('<img class="button" id="zoom_in" src="' + pmaThemeImage + 'zoom-plus-mini.png">').appendTo($placeholder);
        $('<img class="button" id="zoom_world" src="' + pmaThemeImage + 'zoom-world-mini.png">').appendTo($placeholder);
        $('<img class="button" id="zoom_out" src="' + pmaThemeImage + 'zoom-minus-mini.png">').appendTo($placeholder);
    }
}

/**
 * Resizes the GIS visualization to fit into the space available.
 */
function resizeGISVisualization () {
    var $placeholder = $('#placeholder');
    var old_width = $placeholder.width();
    var visWidth = $('#div_view_options').width() - 48;

// Assign new value for width
    $placeholder.width(visWidth);
    $('svg').attr('width', visWidth);

// Assign the offset created due to resizing to defaultX and center the svg.
    defaultX = (visWidth - old_width) / 2;
    x = defaultX;
    y = 0;
    scale = 1;
}

/**
 * Initialize the GIS visualization.
 */
function initGISVisualization () {
    // Loads either SVG or OSM visualization based on the choice
    selectVisualization();
    // Resizes the GIS visualization to fit into the space available
    resizeGISVisualization();
    if (typeof OpenLayers !== 'undefined') {
        // Configure OpenLayers
        OpenLayers._getScriptLocation = function () {
            return './js/vendor/openlayers/';
        };
        // Adds necessary styles to the div that coontains the openStreetMap
        styleOSM();
        // Draws openStreetMap with openLayers
        drawOpenLayers();
    }
    // Loads the SVG element and make a reference to it
    loadSVG();
    // Adds controllers for zooming and panning
    addZoomPanControllers();
    zoomAndPan();
}

function getRelativeCoords (e) {
    var position = $('#placeholder').offset();
    return {
        x : e.pageX - position.left,
        y : e.pageY - position.top
    };
}

/**
 * Ajax handlers for GIS visualization page
 *
 * Actions Ajaxified here:
 *
 * Zooming in and zooming out on mousewheel movement.
 * Panning the visualization on dragging.
 * Zooming in on double clicking.
 * Zooming out on clicking the zoom out button.
 * Panning on clicking the arrow buttons.
 * Displaying tooltips for GIS objects.
 */

/**
 * Unbind all event handlers before tearing down a page
 */
AJAX.registerTeardown('tbl_gis_visualization.js', function () {
    $(document).off('click', '#choice');
    $(document).off('mousewheel', '#placeholder');
    $(document).off('dragstart', 'svg');
    $(document).off('mouseup', 'svg');
    $(document).off('drag', 'svg');
    $(document).off('dblclick', '#placeholder');
    $(document).off('click', '#zoom_in');
    $(document).off('click', '#zoom_world');
    $(document).off('click', '#zoom_out');
    $(document).off('click', '#left_arrow');
    $(document).off('click', '#right_arrow');
    $(document).off('click', '#up_arrow');
    $(document).off('click', '#down_arrow');
    $('.vector').off('mousemove').off('mouseout');
});

AJAX.registerOnload('tbl_gis_visualization.js', function () {
    // If we are in GIS visualization, initialize it
    if ($('#gis_div').length > 0) {
        initGISVisualization();
    }

if (typeof OpenLayers === 'undefined') {
        $('#choice, #labelChoice').hide();
    }
    $(document).on('click', '#choice', function () {
        if ($(this).prop('checked') === false) {
            $('#placeholder').show();
            $('#openlayersmap').hide();
        } else {
            $('#placeholder').hide();
            $('#openlayersmap').show();
        }
    });

$(document).on('mousewheel', '#placeholder', function (event, delta) {
        event.preventDefault();
        var relCoords = getRelativeCoords(event);
        if (delta > 0) {
            // zoom in
            scale *= zoomFactor;
            // zooming in keeping the position under mouse pointer unmoved.
            x = relCoords.x - (relCoords.x - x) * zoomFactor;
            y = relCoords.y - (relCoords.y - y) * zoomFactor;
            zoomAndPan();
        } else {
            // zoom out
            scale /= zoomFactor;
            // zooming out keeping the position under mouse pointer unmoved.
            x = relCoords.x - (relCoords.x - x) / zoomFactor;
            y = relCoords.y - (relCoords.y - y) / zoomFactor;
            zoomAndPan();
        }
        return true;
    });

var dragX = 0;
    var dragY = 0;

$(document).on('dragstart', 'svg', function (event, dd) {
        $('#placeholder').addClass('placeholderDrag');
        dragX = Math.round(dd.offsetX);
        dragY = Math.round(dd.offsetY);
    });

$(document).on('mouseup', 'svg', function (event) {
        $('#placeholder').removeClass('placeholderDrag');
    });

$(document).on('drag', 'svg', function (event, dd) {
        var newX = Math.round(dd.offsetX);
        x +=  newX - dragX;
        dragX = newX;
        var newY = Math.round(dd.offsetY);
        y +=  newY - dragY;
        dragY = newY;
        zoomAndPan();
    });

$(document).on('dblclick', '#placeholder', function (event) {
        scale *= zoomFactor;
        // zooming in keeping the position under mouse pointer unmoved.
        var relCoords = getRelativeCoords(event);
        x = relCoords.x - (relCoords.x - x) * zoomFactor;
        y = relCoords.y - (relCoords.y - y) * zoomFactor;
        zoomAndPan();
    });

$(document).on('click', '#zoom_in', function (e) {
        e.preventDefault();
        // zoom in
        scale *= zoomFactor;

var $placeholder = $('#placeholder').find('svg');
        width = $placeholder.attr('width');
        height = $placeholder.attr('height');
        // zooming in keeping the center unmoved.
        x = width / 2 - (width / 2 - x) * zoomFactor;
        y = height / 2 - (height / 2 - y) * zoomFactor;
        zoomAndPan();
    });

$(document).on('click', '#zoom_world', function (e) {
        e.preventDefault();
        scale = 1;
        x = defaultX;
        y = defaultY;
        zoomAndPan();
    });

$(document).on('click', '#zoom_out', function (e) {
        e.preventDefault();
        // zoom out
        scale /= zoomFactor;

var $placeholder = $('#placeholder').find('svg');
        width = $placeholder.attr('width');
        height = $placeholder.attr('height');
        // zooming out keeping the center unmoved.
        x = width / 2 - (width / 2 - x) / zoomFactor;
        y = height / 2 - (height / 2 - y) / zoomFactor;
        zoomAndPan();
    });

$(document).on('click', '#left_arrow', function (e) {
        e.preventDefault();
        x += 100;
        zoomAndPan();
    });

$(document).on('click', '#right_arrow', function (e) {
        e.preventDefault();
        x -= 100;
        zoomAndPan();
    });

$(document).on('click', '#up_arrow', function (e) {
        e.preventDefault();
        y += 100;
        zoomAndPan();
    });

$(document).on('click', '#down_arrow', function (e) {
        e.preventDefault();
        y -= 100;
        zoomAndPan();
    });

/**
     * Detect the mousemove event and show tooltips.
     */
    $('.vector').on('mousemove', function (event) {
        var contents = $.trim(escapeHtml($(this).attr('name')));
        $('#tooltip').remove();
        if (contents !== '') {
            $('<div id="tooltip">' + contents + '</div>').css({
                position : 'absolute',
                top : event.pageY + 10,
                left : event.pageX + 10,
                border : '1px solid #fdd',
                padding : '2px',
                'background-color' : '#fee',
                opacity : 0.90
            }).appendTo('body').fadeIn(200);
        }
    });

/**
     * Detect the mouseout event and hide tooltips.
     */
    $('.vector').on('mouseout', function (event) {
        $('#tooltip').remove();
    });
});

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Editing: tbl_gis_visualization.js

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