+function getTextPath() {
+ var currpath = window.location.pathname
+ // Get rid of trailing slash
+ if( currpath.lastIndexOf('/') == currpath.length - 1 ) {
+ currpath = currpath.slice( 0, currpath.length - 1)
+ };
+ // Get rid of query parameters
+ if( currpath.lastIndexOf('?') != -1 ) {
+ currpath = currpath.slice( 0, currpath.lastIndexOf('?') );
+ };
+ var path_elements = currpath.split('/');
+ var textid = path_elements.pop();
+ var basepath = path_elements.join( '/' );
+ var path_parts = [ basepath, textid ];
+ return path_parts;
+}
+
+function getRelativePath() {
+ var path_parts = getTextPath();
+ return path_parts[0];
+}
+
+function getRelationshipURL() {
+ var path_parts = getTextPath();
+ return path_parts[0] + '/' + path_parts[1] + '/relationships';
+}
+
+function svgEnlargementLoaded() {
+ //Give some visual evidence that we are working
+ $('#loading_overlay').show();
+ lo_height = $("#enlargement_container").outerHeight();
+ lo_width = $("#enlargement_container").outerWidth();
+ $("#loading_overlay").height( lo_height );
+ $("#loading_overlay").width( lo_width );
+ $("#loading_overlay").offset( $("#enlargement_container").offset() );
+ $("#loading_message").offset(
+ { 'top': lo_height / 2 - $("#loading_message").height() / 2,
+ 'left': lo_width / 2 - $("#loading_message").width() / 2 });
+ //Set viewbox widht and height to widht and height of $('#svgenlargement svg').
+ //This is essential to make sure zooming and panning works properly.
+ $('#svgenlargement ellipse').attr( {stroke:'green', fill:'#b3f36d'} );
+ var graph_svg = $('#svgenlargement svg');
+ var svg_g = $('#svgenlargement svg g')[0];
+ svg_root = graph_svg.svg().svg('get').root();
+ svg_root.viewBox.baseVal.width = graph_svg.attr( 'width' );
+ svg_root.viewBox.baseVal.height = graph_svg.attr( 'height' );
+ //Now set scale and translate so svg height is about 150px and vertically centered in viewbox.
+ //This is just to create a nice starting enlargement.
+ var initial_svg_height = 250;
+ var scale = initial_svg_height/graph_svg.attr( 'height' );
+ var additional_translate = (graph_svg.attr( 'height' ) - initial_svg_height)/(2*scale);
+ var transform = svg_g.getAttribute('transform');
+ var translate = parseFloat( transform.match( /translate\([^\)]*\)/ )[0].split('(')[1].split(' ')[1].split(')')[0] );
+ translate += additional_translate;
+ var transform = 'rotate(0) scale(' + scale + ') translate(4 ' + translate + ')';
+ svg_g.setAttribute('transform', transform);
+ //used to calculate min and max zoom level:
+ start_element_height = $("#svgenlargement .node title:contains('START#')").siblings('ellipse')[0].getBBox().height;
+ add_relations( function() { $('#loading_overlay').hide(); });
+}
+
+function add_relations( callback_fn ) {
+ var basepath = getRelativePath();
+ var textrelpath = getRelationshipURL();
+ $.getJSON( basepath + '/definitions', function(data) {
+ var rel_types = data.types.sort();
+ $.getJSON( textrelpath,
+ function(data) {
+ $.each(data, function( index, rel_info ) {
+ var type_index = $.inArray(rel_info.type, rel_types);
+ var source_found = get_ellipse( rel_info.source );
+ var target_found = get_ellipse( rel_info.target );
+ if( type_index != -1 && source_found.size() && target_found.size() ) {
+ var relation = relation_manager.create( rel_info.source, rel_info.target, type_index );
+ relation.data( 'type', rel_info.type );
+ relation.data( 'scope', rel_info.scope );
+ relation.data( 'note', rel_info.note );
+ var node_obj = get_node_obj(rel_info.source);
+ node_obj.set_draggable( false );
+ node_obj.ellipse.data( 'node_obj', null );
+ node_obj = get_node_obj(rel_info.target);
+ node_obj.set_draggable( false );
+ node_obj.ellipse.data( 'node_obj', null );
+ }
+ });
+ callback_fn.call();
+ });
+ });
+}
+
+function get_ellipse( node_id ) {
+ return $('#svgenlargement .node').children('title').filter( function(index) {
+ return $(this).text() == node_id;
+ }).siblings('ellipse');
+}
+
+function get_node_obj( node_id ) {
+ var node_ellipse = get_ellipse( node_id );
+ if( node_ellipse.data( 'node_obj' ) == null ) {
+ node_ellipse.data( 'node_obj', new node_obj(node_ellipse) );
+ };
+ return node_ellipse.data( 'node_obj' );
+}
+
+function get_edge( edge_id ) {
+ return $('#svgenlargement .edge').filter( function(index) {
+ return $(this).children( 'title' ).text() == $('<div/>').html(edge_id).text() ;
+ });
+}
+
+function node_obj(ellipse) {
+ this.ellipse = ellipse;
+ var self = this;
+
+ this.x = 0;
+ this.y = 0;
+ this.dx = 0;
+ this.dy = 0;
+ this.node_elements = node_elements_for(self.ellipse);
+
+ this.get_id = function() {
+ return self.ellipse.siblings('title').text()
+ }
+
+ this.set_draggable = function( draggable ) {
+ if( draggable ) {
+ $(self.ellipse).attr( {stroke:'black', fill:'#fff'} );
+ $(self.ellipse).parent().mousedown( this.mousedown_listener );
+ $(self.ellipse).parent().hover( this.enter_node, this.leave_node );
+ self.ellipse.siblings('text').attr('class', 'noselect draggable');
+ } else {
+ self.ellipse.siblings('text').attr('class', '');
+ $(self.ellipse).parent().unbind('mouseenter').unbind('mouseleave').unbind('mousedown');
+ $(self.ellipse).attr( {stroke:'green', fill:'#b3f36d'} );
+ }
+ }
+
+ this.mousedown_listener = function(evt) {
+ evt.stopPropagation();
+ self.x = evt.clientX;
+ self.y = evt.clientY;
+ $('body').mousemove( self.mousemove_listener );
+ $('body').mouseup( self.mouseup_listener );
+ $(self.ellipse).parent().unbind('mouseenter').unbind('mouseleave')
+ self.ellipse.attr( 'fill', '#ff66ff' );
+ first_node_g_element = $("#svgenlargement g .node" ).filter( ":first" );
+ if( first_node_g_element.attr('id') !== self.get_g().attr('id') ) { self.get_g().insertBefore( first_node_g_element ) };
+ }
+
+ this.mousemove_listener = function(evt) {
+ self.dx = (evt.clientX - self.x) / mouse_scale;
+ self.dy = (evt.clientY - self.y) / mouse_scale;
+ self.move_elements();
+ evt.returnValue = false;
+ evt.preventDefault();
+ return false;
+ }
+
+ this.mouseup_listener = function(evt) {
+ if( $('ellipse[fill="#ffccff"]').size() > 0 ) {
+ var source_node_id = self.ellipse.siblings('title').text();
+ var source_node_text = self.ellipse.siblings('text').text();
+ var target_node_id = $('ellipse[fill="#ffccff"]').siblings("title").text();
+ var target_node_text = $('ellipse[fill="#ffccff"]').siblings("text").text();
+ $('#source_node_id').val( source_node_id );
+ $('#source_node_text').val( source_node_text );
+ $('#target_node_id').val( target_node_id );
+ $('#target_node_text').val( target_node_text );
+ $('#dialog-form').dialog( 'open' );
+ };
+ $('body').unbind('mousemove');
+ $('body').unbind('mouseup');
+ self.ellipse.attr( 'fill', '#fff' );
+ $(self.ellipse).parent().hover( self.enter_node, self.leave_node );
+ self.reset_elements();
+ }
+
+ this.cpos = function() {
+ return { x: self.ellipse.attr('cx'), y: self.ellipse.attr('cy') };
+ }
+
+ this.get_g = function() {
+ return self.ellipse.parent('g');
+ }
+
+ this.enter_node = function(evt) {
+ self.ellipse.attr( 'fill', '#ffccff' );
+ }
+
+ this.leave_node = function(evt) {
+ self.ellipse.attr( 'fill', '#fff' );
+ }
+
+ this.greyout_edges = function() {
+ $.each( self.node_elements, function(index, value) {
+ value.grey_out('.edge');
+ });
+ }
+
+ this.ungreyout_edges = function() {
+ $.each( self.node_elements, function(index, value) {
+ value.un_grey_out('.edge');
+ });
+ }
+
+ this.move_elements = function() {
+ $.each( self.node_elements, function(index, value) {
+ value.move(self.dx,self.dy);
+ });
+ }
+
+ this.reset_elements = function() {
+ $.each( self.node_elements, function(index, value) {
+ value.reset();
+ });
+ }
+
+ this.update_elements = function() {
+ self.node_elements = node_elements_for(self.ellipse);
+ }
+
+ self.set_draggable( true );
+}
+
+function svgshape( shape_element ) {
+ this.shape = shape_element;
+ this.move = function(dx,dy) {
+ this.shape.attr( "transform", "translate(" + dx + " " + dy + ")" );
+ }
+ this.reset = function() {
+ this.shape.attr( "transform", "translate( 0, 0 )" );
+ }
+ this.grey_out = function(filter) {
+ if( this.shape.parent(filter).size() != 0 ) {
+ this.shape.attr({'stroke':'#e5e5e5', 'fill':'#e5e5e5'});
+ }
+ }
+ this.un_grey_out = function(filter) {
+ if( this.shape.parent(filter).size() != 0 ) {
+ this.shape.attr({'stroke':'#000000', 'fill':'#000000'});
+ }
+ }
+}
+
+function svgpath( path_element, svg_element ) {
+ this.svg_element = svg_element;
+ this.path = path_element;
+ this.x = this.path.x;
+ this.y = this.path.y;
+ this.move = function(dx,dy) {
+ this.path.x = this.x + dx;
+ this.path.y = this.y + dy;
+ }
+ this.reset = function() {
+ this.path.x = this.x;
+ this.path.y = this.y;
+ }
+ this.grey_out = function(filter) {
+ if( this.svg_element.parent(filter).size() != 0 ) {
+ this.svg_element.attr('stroke', '#e5e5e5');
+ this.svg_element.siblings('text').attr('fill', '#e5e5e5');
+ this.svg_element.siblings('text').attr('class', 'noselect');
+ }
+ }
+ this.un_grey_out = function(filter) {
+ if( this.svg_element.parent(filter).size() != 0 ) {
+ this.svg_element.attr('stroke', '#000000');
+ this.svg_element.siblings('text').attr('fill', '#000000');
+ this.svg_element.siblings('text').attr('class', '');
+ }
+ }
+}
+
+function node_elements_for( ellipse ) {
+ node_elements = get_edge_elements_for( ellipse );
+ node_elements.push( new svgshape( ellipse.siblings('text') ) );
+ node_elements.push( new svgshape( ellipse ) );
+ return node_elements;
+}
+
+function get_edge_elements_for( ellipse ) {
+ edge_elements = new Array();
+ node_id = ellipse.siblings('title').text();
+ edge_in_pattern = new RegExp( node_id + '$' );
+ edge_out_pattern = new RegExp( '^' + node_id );
+ $.each( $('#svgenlargement .edge,#svgenlargement .relation').children('title'), function(index) {
+ title = $(this).text();
+ if( edge_in_pattern.test(title) ) {
+ polygon = $(this).siblings('polygon');
+ if( polygon.size() > 0 ) {
+ edge_elements.push( new svgshape( polygon ) );
+ }
+ path_segments = $(this).siblings('path')[0].pathSegList;
+ edge_elements.push( new svgpath( path_segments.getItem(path_segments.numberOfItems - 1), $(this).siblings('path') ) );
+ }
+ if( edge_out_pattern.test(title) ) {
+ path_segments = $(this).siblings('path')[0].pathSegList;
+ edge_elements.push( new svgpath( path_segments.getItem(0), $(this).siblings('path') ) );
+ }
+ });
+ return edge_elements;
+}
+
+function relation_factory() {
+ var self = this;
+ this.color_memo = null;
+ //TODO: colors hard coded for now
+ this.temp_color = '#FFA14F';
+ this.relation_colors = [ "#5CCCCC", "#67E667", "#F9FE72", "#6B90D4", "#FF7673", "#E467B3", "#AA67D5", "#8370D8", "#FFC173" ];
+
+ this.create_temporary = function( source_node_id, target_node_id ) {
+ var relation = $('#svgenlargement .relation').filter( function(index) {
+ var relation_id = $(this).children('title').text();
+ if( ( relation_id == ( source_node_id + '->' + target_node_id ) ) || ( relation_id == ( target_node_id + '->' + source_node_id ) ) ) {
+ return true;
+ }
+ } );
+ if( relation.size() == 0 ) {
+ draw_relation( source_node_id, target_node_id, self.temp_color );
+ } else {
+ self.color_memo = relation.children('path').attr( 'stroke' );
+ relation.children('path').attr( 'stroke', self.temp_color );
+ }
+ }
+ this.remove_temporary = function() {
+ var path_element = $('#svgenlargement .relation').children('path[stroke="' + self.temp_color + '"]');
+ if( self.color_memo != null ) {
+ path_element.attr( 'stroke', self.color_memo );
+ self.color_memo = null;
+ } else {
+ var temporary = path_element.parent('g').remove();
+ temporary.empty();
+ temporary = null;
+ }
+ }
+ this.create = function( source_node_id, target_node_id, color_index ) {
+ //TODO: Protect from (color_)index out of bound..
+ var relation_color = self.relation_colors[ color_index ];
+ var relation = draw_relation( source_node_id, target_node_id, relation_color );
+ get_node_obj( source_node_id ).update_elements();
+ get_node_obj( target_node_id ).update_elements();
+ return relation;
+ }
+ this.toggle_active = function( relation_id ) {
+ var relation = $("#svgenlargement .relation:has(title:contains('" + relation_id + "'))");
+ var relation_path = relation.children('path');
+ if( !relation.data( 'active' ) ) {
+ relation_path.css( {'cursor':'pointer'} );
+ relation_path.mouseenter( function(event) {
+ outerTimer = setTimeout( function() {
+ timer = setTimeout( function() {
+ var title = relation.children('title').text();
+ var source_node_id = title.substring( 0, title.indexOf( "->" ) );
+ var target_node_id = title.substring( (title.indexOf( "->" ) + 2) );
+ $('#delete_source_node_id').val( source_node_id );
+ $('#delete_target_node_id').val( target_node_id );
+ self.showinfo(relation);
+ }, 500 )
+ }, 1000 );
+ });
+ relation_path.mouseleave( function(event) {
+ clearTimeout(outerTimer);
+ if( timer != null ) { clearTimeout(timer); }
+ });
+ relation.data( 'active', true );
+ } else {
+ relation_path.unbind( 'mouseenter' );
+ relation_path.unbind( 'mouseleave' );
+ relation_path.css( {'cursor':'inherit'} );
+ relation.data( 'active', false );
+ }
+ }
+ this.showinfo = function(relation) {
+ var htmlstr = 'type: ' + relation.data( 'type' ) + '<br/>scope: ' + relation.data( 'scope' );
+ if( relation.data( 'note' ) ) {
+ htmlstr = htmlstr + '<br/>note: ' + relation.data( 'note' );
+ }
+ $('#delete-form-text').html( htmlstr );
+ var points = relation.children('path').attr('d').slice(1).replace('C',' ').split(' ');
+ var xs = parseFloat( points[0].split(',')[0] );
+ var xe = parseFloat( points[1].split(',')[0] );
+ var ys = parseFloat( points[0].split(',')[1] );
+ var ye = parseFloat( points[3].split(',')[1] );
+ var p = svg_root.createSVGPoint();
+ p.x = xs + ((xe-xs)*1.1);
+ p.y = ye - ((ye-ys)/2);
+ var ctm = svg_root.children[0].getScreenCTM();
+ var nx = p.matrixTransform(ctm).x;
+ var ny = p.matrixTransform(ctm).y;
+ var dialog_aria = $ ("div[aria-labelledby='ui-dialog-title-delete-form']");
+ $('#delete-form').dialog( 'open' );
+ dialog_aria.offset({ left: nx, top: ny });
+ }
+ this.remove = function( relation_id ) {
+ var relation = $("#svgenlargement .relation:has(title:contains('" + relation_id + "'))");
+ relation.remove();
+ }
+}
+
+function draw_relation( source_id, target_id, relation_color ) {
+ var source_ellipse = get_ellipse( source_id );
+ var target_ellipse = get_ellipse( target_id );
+ var svg = $('#svgenlargement').children('svg').svg().svg('get');
+ var path = svg.createPath();
+ var sx = parseInt( source_ellipse.attr('cx') );
+ var rx = parseInt( source_ellipse.attr('rx') );
+ var sy = parseInt( source_ellipse.attr('cy') );
+ var ex = parseInt( target_ellipse.attr('cx') );
+ var ey = parseInt( target_ellipse.attr('cy') );
+ var relation = svg.group( $("#svgenlargement svg g"), {'class':'relation'} );
+ svg.title( relation, source_id + '->' + target_id );
+ svg.path( relation, path.move( sx, sy ).curveC( sx + (2*rx), sy, ex + (2*rx), ey, ex, ey ), {fill: 'none', stroke: relation_color, strokeWidth: 4});
+ var relation_element = $('#svgenlargement .relation').filter( ':last' );
+ relation_element.insertBefore( $('#svgenlargement g g').filter(':first') );
+ return relation_element;
+}
+
+
+$(document).ready(function () {
+
+ timer = null;
+ relation_manager = new relation_factory();
+ $('#update_workspace_button').data('locked', false);
+
+ $('#enlargement').mousedown(function (event) {
+ $(this)
+ .data('down', true)
+ .data('x', event.clientX)
+ .data('y', event.clientY)
+ .data('scrollLeft', this.scrollLeft)
+ stateTf = svg_root.children[0].getCTM().inverse();
+ var p = svg_root.createSVGPoint();
+ p.x = event.clientX;
+ p.y = event.clientY;
+ stateOrigin = p.matrixTransform(stateTf);
+ return false;
+ }).mouseup(function (event) {
+ $(this).data('down', false);
+ }).mousemove(function (event) {
+ if( timer != null ) { clearTimeout(timer); }
+ if ( ($(this).data('down') == true) && ($('#update_workspace_button').data('locked') == false) ) {
+ var p = svg_root.createSVGPoint();
+ p.x = event.clientX;
+ p.y = event.clientY;
+ p = p.matrixTransform(stateTf);
+ var matrix = stateTf.inverse().translate(p.x - stateOrigin.x, p.y - stateOrigin.y);
+ var s = "matrix(" + matrix.a + "," + matrix.b + "," + matrix.c + "," + matrix.d + "," + matrix.e + "," + matrix.f + ")";
+ svg_root.children[0].setAttribute("transform", s);
+ }
+ }).mousewheel(function (event, delta) {
+ event.returnValue = false;
+ event.preventDefault();
+ if ( $('#update_workspace_button').data('locked') == false ) {
+ if( delta < -9 ) { delta = -9 };
+ var z = 1 + delta/10;
+ var g = svg_root.children[0];
+ if( (z<1 && (g.getScreenCTM().a * start_element_height) > 4.0) || (z>1 && (g.getScreenCTM().a * start_element_height) < 100) ) {
+ var root = svg_root;
+ var p = root.createSVGPoint();
+ p.x = event.clientX;
+ p.y = event.clientY;
+ p = p.matrixTransform(g.getCTM().inverse());
+ var k = root.createSVGMatrix().translate(p.x, p.y).scale(z).translate(-p.x, -p.y);
+ var matrix = g.getCTM().multiply(k);
+ var s = "matrix(" + matrix.a + "," + matrix.b + "," + matrix.c + "," + matrix.d + "," + matrix.e + "," + matrix.f + ")";
+ g.setAttribute("transform", s);
+ }
+ }
+ }).css({
+ 'overflow' : 'hidden',
+ 'cursor' : '-moz-grab'
+ });
+
+
+ $( "#dialog-form" ).dialog({
+ autoOpen: false,
+ height: 270,
+ width: 290,
+ modal: true,
+ buttons: {
+ "Ok": function() {
+ $('#status').empty();
+ form_values = $('#collapse_node_form').serialize()
+ ncpath = getRelationshipURL();
+ $(':button :contains("Ok")').attr("disabled", true);
+ var jqjson = $.post( ncpath, form_values, function(data) {
+ $.each( data, function(item, source_target) {
+ var relation = relation_manager.create( source_target[0], source_target[1], $('#rel_type').attr('selectedIndex') );
+ relation.data( 'type', $('#rel_type :selected').text() );
+ relation.data( 'scope', $('#scope :selected').text() );
+ relation.data( 'note', $('#note').val() );
+ relation_manager.toggle_active( relation.children('title').text() );
+ });
+ $( "#dialog-form" ).dialog( "close" );
+ }, 'json' );
+ },
+ Cancel: function() {
+ $( this ).dialog( "close" );
+ }
+ },
+ create: function(event, ui) {
+ $(this).data( 'relation_drawn', false );
+ //TODO? Err handling?
+ var basepath = getRelativePath();
+ var jqjson = $.getJSON( basepath + '/definitions', function(data) {
+ var types = data.types.sort();
+ $.each( types, function(index, value) {
+ $('#rel_type').append( $('<option>').attr( "value", value ).text(value) );
+ $('#keymaplist').append( $('<li>').css( "border-color", relation_manager.relation_colors[index] ).text(value) );
+ });
+ var scopes = data.scopes;
+ $.each( scopes, function(index, value) {
+ $('#scope').append( $('<option>').attr( "value", value ).text(value) );
+ });
+ });
+ },
+ open: function() {
+ relation_manager.create_temporary( $('#source_node_id').val(), $('#target_node_id').val() );
+ $(".ui-widget-overlay").css("background", "none");
+ $("#dialog_overlay").show();
+ $("#dialog_overlay").height( $("#enlargement_container").height() );
+ $("#dialog_overlay").width( $("#enlargement_container").innerWidth() );
+ $("#dialog_overlay").offset( $("#enlargement_container").offset() );
+ },
+ close: function() {
+ relation_manager.remove_temporary();
+ $( '#status' ).empty();
+ $("#dialog_overlay").hide();
+ }
+ }).ajaxError( function(event, jqXHR, ajaxSettings, thrownError) {
+ if( ( ajaxSettings.type == 'POST' ) && jqXHR.status == 403 ) {
+ var errobj = jQuery.parseJSON( jqXHR.responseText );
+ $('#status').append( '<p class="error">Error: ' + errobj.error + '</br>The relationship cannot be made.</p>' );
+ }
+ } );
+
+ $( "#delete-form" ).dialog({
+ autoOpen: false,
+ height: 135,
+ width: 160,
+ modal: false,
+ buttons: {
+ Cancel: function() {
+ $( this ).dialog( "close" );
+ },
+ Delete: function() {
+ form_values = $('#delete_relation_form').serialize()
+ ncpath = getRelationshipURL()
+ var jqjson = $.ajax({ url: ncpath, data: form_values, success: function(data) {
+ $.each( data, function(item, source_target) {
+ relation_manager.remove( source_target[0] + '->' + source_target[1] );
+ });
+ $( "#delete-form" ).dialog( "close" );
+ }, dataType: 'json', type: 'DELETE' });
+ }
+ },
+ create: function(event, ui) {
+ var buttonset = $(this).parent().find( '.ui-dialog-buttonset' ).css( 'width', '100%' );
+ buttonset.find( "button:contains('Cancel')" ).css( 'float', 'right' );
+ var dialog_aria = $("div[aria-labelledby='ui-dialog-title-delete-form']");
+ dialog_aria.mouseenter( function() {
+ if( mouseWait != null ) { clearTimeout(mouseWait) };
+ })
+ dialog_aria.mouseleave( function() {
+ mouseWait = setTimeout( function() { $("#delete-form").dialog( "close" ) }, 2000 );
+ })
+ },
+ open: function() {
+ mouseWait = setTimeout( function() { $("#delete-form").dialog( "close" ) }, 2000 );
+ },
+ close: function() {
+ }
+ });
+
+ $('#update_workspace_button').click( function() {
+ var svg_enlargement = $('#svgenlargement').svg().svg('get').root();
+ mouse_scale = svg_root.children[0].getScreenCTM().a;
+ if( $(this).data('locked') == true ) {
+ $('#svgenlargement ellipse' ).each( function( index ) {
+ if( $(this).data( 'node_obj' ) != null ) {
+ $(this).data( 'node_obj' ).ungreyout_edges();
+ $(this).data( 'node_obj' ).set_draggable( false );
+ var node_id = $(this).data( 'node_obj' ).get_id();
+ toggle_relation_active( node_id );
+ $(this).data( 'node_obj', null );
+ }
+ })
+ $(this).data('locked', false);
+ $(this).css('background-position', '0px 44px');
+ } else {
+ var left = $('#enlargement').offset().left;
+ var right = left + $('#enlargement').width();
+ var tf = svg_root.children[0].getScreenCTM().inverse();
+ var p = svg_root.createSVGPoint();
+ p.x=left;
+ p.y=100;
+ var cx_min = p.matrixTransform(tf).x;
+ p.x=right;
+ var cx_max = p.matrixTransform(tf).x;
+ $('#svgenlargement ellipse').each( function( index ) {
+ var cx = parseInt( $(this).attr('cx') );
+ if( cx > cx_min && cx < cx_max) {
+ if( $(this).data( 'node_obj' ) == null ) {
+ $(this).data( 'node_obj', new node_obj( $(this) ) );
+ } else {
+ $(this).data( 'node_obj' ).set_draggable( true );
+ }
+ $(this).data( 'node_obj' ).greyout_edges();
+ var node_id = $(this).data( 'node_obj' ).get_id();
+ toggle_relation_active( node_id );
+ }
+ });
+ $(this).css('background-position', '0px 0px');
+ $(this).data('locked', true );
+ }
+ });
+
+ $('.helptag').popupWindow({
+ height:500,
+ width:800,
+ top:50,
+ left:50,
+ scrollbars:1
+ });
+
+
+ function toggle_relation_active( node_id ) {
+ $('#svgenlargement .relation').find( "title:contains('" + node_id + "')" ).each( function(index) {
+ matchid = new RegExp( "^" + node_id );
+ if( $(this).text().match( matchid ) != null ) {
+ relation_manager.toggle_active( $(this).text() );
+ };
+ });
+ }
+
+});
+
+