function graphSettings(type) {
var t;
if (type == "arranged" || type == "chaotic") {
t = {
//id of the visualization container
injectInto: 'infovis',
//Enable zooming and panning
//by scrolling and DnD
Navigation: {
enable: true,
type: 'HTML',
//Enable panning events only if we're dragging the empty
//canvas (and not a node).
panning: 'avoid nodes',
zooming: 10 //zoom speed. higher is more sensible
},
// Change node and edge styles such as
// color and width.
// These properties are also set per node
// with dollar prefixed data-properties in the
// JSON structure.
Node: {
overridable: true,
color: '#2D6A5D',
type: 'customNode',
dim: 25
},
Edge: {
overridable: true,
color: '#222222',
type: 'customEdge',
lineWidth: 1
},
//Native canvas text styling
Label: {
type: 'HTML', //Native or HTML
size: 20,
//style: 'bold'
},
//Add Tips
Tips: {
enable: false,
onShow: function (tip, node) {
//display node info in tooltip
var html =
'' + node.getData("itemcatname") + '
' +
'
' +
'' +
'' + node.getData('link') + '';
tip.innerHTML = '';
$jit.id('item_' + node.id).innerHTML = html;
$("#_tooltip .scroll").mCustomScrollbar();
}
},
// Add node events
Events: {
enable: true,
type: 'HTML',
//Change cursor style when hovering a node
onMouseEnter: function () {
},
onMouseLeave: function () {
},
//Update node positions when dragged
onDragMove: function (node, eventInfo, e) {
var pos = eventInfo.getPos();
node.pos.setc(pos.x, pos.y);
Mconsole.plot();
},
//Implement the same handler for touchscreens
onTouchMove: function (node, eventInfo, e) {
$jit.util.event.stop(e); //stop default touchmove event
this.onDragMove(node, eventInfo, e);
},
//Add also a click handler to nodes
onClick: function (node, eventInfo, e) {
//clicking on a node, or clicking on blank part of canvas?
if (node) {
selectNodeOnClickHandler(node);
} else {
canvasDoubleClickHandler(e);
}//if
}//onClick
},
//Number of iterations for the FD algorithm
iterations: 200,
//Edge length
levelDistance: 200,
// Add text to the labels. This method is only triggered
// on label creation and only for DOM labels (not native canvas ones).
onCreateLabel: function (domElement, node) {
var html =
'';
var showCard = document.createElement('div');
showCard.className = 'showcard item_' + node.id;
showCard.innerHTML = html;
showCard.style.display = "none";
domElement.appendChild(showCard);
// add some events to the label
showCard.onclick = function(){
$('.showcard.item_' + node.id).fadeOut('fast', function(){
$('.name').css('display','block');
Mconsole.plot();
});
}
// Create a 'name' button and add it
// to the main node label
var nameContainer = document.createElement('span'),
style = nameContainer.style;
nameContainer.className = 'name item_' + node.id;
nameContainer.innerHTML = '' + node.name + '
';
domElement.appendChild(nameContainer);
style.fontSize = "0.9em";
style.color = "#222222";
// add some events to the label
nameContainer.onmouseover = function(){
$('.showcard').css('display','none');
$('.name').css('display','block');
$('.name.item_' + node.id).css('display','none');
$('.showcard.item_' + node.id).fadeIn('fast');
Mconsole.plot();
}
},
// Change node styles when DOM labels are placed
// or moved.
onPlaceLabel: function (domElement, node) {
var style = domElement.style;
var left = parseInt(style.left);
var top = parseInt(style.top);
var w = domElement.offsetWidth;
var dim = node.getData('dim');
style.left = (left - w / 2) + 'px';
style.top = (top + dim) + 'px';
style.display = '';
}
};
} else if (type = "centered") {
t = {
//id of the visualization container
injectInto: 'infovis',
//Optional: create a background canvas that plots
//concentric circles.
background: {
CanvasStyles: {
strokeStyle: '#333',
lineWidth: 1.5
}
},
//Enable zooming and panning
//by scrolling and DnD
Navigation: {
enable: true,
type: 'HTML',
//Enable panning events only if we're dragging the empty
//canvas (and not a node).
panning: 'avoid nodes',
zooming: 10 //zoom speed. higher is more sensible
},
// Change node and edge styles such as
// color and width.
// These properties are also set per node
// with dollar prefixed data-properties in the
// JSON structure.
Node: {
overridable: true,
color: '#2D6A5D',
type: 'customNode',
dim: 25
},
Edge: {
overridable: true,
color: '#222222',
type: 'customEdge',
lineWidth: 1
},
//Native canvas text styling
Label: {
type: 'HTML', //Native or HTML
size: 20,
//style: 'bold'
},
//Add Tips
Tips: {
enable: true,
onShow: function (tip, node) {
//count connections
var count = 0;
node.eachAdjacency(function () {
count++;
});
//display node info in tooltip
tip.innerHTML = "" + node.name + "
" + "connections: " + count + "
";
}
},
// Add node events
Events: {
enable: true,
type: 'HTML',
//Change cursor style when hovering a node
onMouseEnter: function () {
//Mconsole.canvas.getElement().style.cursor = 'move';
},
onMouseLeave: function () {
//Mconsole.canvas.getElement().style.cursor = '';
},
//Update node positions when dragged
onDragMove: function (node, eventInfo, e) {
var pos = eventInfo.getPos();
node.pos.setc(pos.x, pos.y);
Mconsole.plot();
},
//Implement the same handler for touchscreens
onTouchMove: function (node, eventInfo, e) {
$jit.util.event.stop(e); //stop default touchmove event
this.onDragMove(node, eventInfo, e);
},
//Add also a click handler to nodes
onClick: function (node) {
if (!node) return;
//set final styles
Mconsole.graph.eachNode(function (n) {
if (n.id != node.id) delete n.selected;
n.setData('dim', 25, 'end');
n.eachAdjacency(function (adj) {
adj.setDataset('end', {
lineWidth: 1,
color: '#222222'
});
adj.setData('showDesc', false, 'current');
});
});
if (!node.selected) {
node.selected = true;
node.setData('dim', 35, 'end');
node.eachAdjacency(function (adj) {
adj.setDataset('end', {
lineWidth: 3,
color: '#FFF'
});
adj.setData('showDesc', true, 'current');
});
} else {
delete node.selected;
}
//trigger animation to final styles
Mconsole.fx.animate({
modes: ['node-property:dim',
'edge-property:lineWidth:color'],
duration: 500
});
// Build the right column relations list.
// This is done by traversing the clicked node connections.
var html =
'' + node.getData("itemcatname") + '
' +
'' +
'' +
'' + node.getData('link') + '';
//append connections information
$jit.id('showcard').innerHTML = '';
$jit.id('item_' + node.id).innerHTML = html;
$("#showcard .scroll").mCustomScrollbar();
}
},
//Number of iterations for the Mconsole algorithm
iterations: 200,
//Edge length
levelDistance: 200,
// Add text to the labels. This method is only triggered
// on label creation and only for DOM labels (not native canvas ones).
onCreateLabel: function (domElement, node) {
// Create a 'name' and 'close' buttons and add them
// to the main node label
domElement.innerHTML = '' + node.name + '
';
domElement.onclick = function () {
Mconsole.onClick(node.id, {
onComplete: function () {
var html =
'' + node.getData("itemcatname") + '
' +
'' +
'' +
'' + node.getData('link') + '';
//append connections information
$jit.id('showcard').innerHTML = '';
$jit.id('item_' + node.id).innerHTML = html;
$("#showcard .scroll").mCustomScrollbar();
}
});
}
},
// Change node styles when DOM labels are placed
// or moved.
onPlaceLabel: function (domElement, node) {
var style = domElement.style;
var left = parseInt(style.left);
var top = parseInt(style.top);
var w = domElement.offsetWidth;
var dim = node.getData('dim');
style.left = (left - w / 2) + 'px';
style.top = (top + dim) + 'px';
style.display = '';
}
};
}
return t;
}
// defining custom node type
var nodeSettings = {
'customNode': {
'render': function (node, canvas) {
var pos = node.pos.getc(true),
dim = node.getData('dim'),
cat = node.getData('itemcatname'),
ctx = canvas.getCtx();
ctx.drawImage(imgArray[cat], pos.x - dim, pos.y - dim, dim*2, dim*2);
},
'contains': function(node, pos) {
var npos = node.pos.getc(true),
dim = node.getData('dim');
return this.nodeHelper.circle.contains(npos, pos, dim);
}
}
}
// defining custom edges
var edgeSettings = {
'customEdge': {
'render': function(adj, canvas) {
//get nodes cartesian coordinates
var pos = adj.nodeFrom.pos.getc(true);
var posChild = adj.nodeTo.pos.getc(true);
var directionCat = adj.getData("category");
//label placement on edges
//plot arrow edge
if (directionCat == "none") {
this.edgeHelper.line.render({ x: pos.x, y: pos.y }, { x: posChild.x, y: posChild.y }, canvas);
}
else if (directionCat == "both") {
renderMidArrow({ x: pos.x, y: pos.y }, { x: posChild.x, y: posChild.y }, 13, true, canvas);
renderMidArrow({ x: pos.x, y: pos.y }, { x: posChild.x, y: posChild.y }, 13, false, canvas);
}
else if (directionCat == "from-to") {
var direction = adj.data.$direction;
var inv = (direction && direction.length>1 && direction[0] != adj.nodeFrom.id);
renderMidArrow({ x: pos.x, y: pos.y }, { x: posChild.x, y: posChild.y }, 13, inv, canvas);
}
//check for edge label in data
var desc = adj.getData("desc") + ' (' + adj.getData("userid") + ',' + adj.getData("id") + ')';
var showDesc = adj.getData("showDesc");
if( desc != "" && showDesc ) {
//now adjust the label placement
var radius = canvas.getSize();
var x = parseInt((pos.x + posChild.x - (desc.length * 5)) /2);
var y = parseInt((pos.y + posChild.y) /2);
canvas.getCtx().fillStyle = '#000';
canvas.getCtx().font = 'bold 14px arial';
//canvas.getCtx().fillText(desc, x, y);
}
}, 'contains' : function(adj, pos) {
var from = adj.nodeFrom.pos.getc(true),
to = adj.nodeTo.pos.getc(true);
return containsMidArrow(from, to, pos, this.edge.epsilon);
}
}
}
function selectNodeOnClickHandler(node) {
//set final styles
Mconsole.graph.eachNode(function (n) {
if (n.id != node.id) delete n.selected;
n.setData('dim', 25, 'end');
n.eachAdjacency(function (adj) {
adj.setDataset('end', {
lineWidth: 0.5,
color: '#222222'
});
adj.setData('showDesc', false, 'current');
});
});
if (!node.selected) {
node.selected = true;
node.setData('dim', 35, 'end');
node.eachAdjacency(function (adj) {
adj.setDataset('end', {
lineWidth: 3,
color: '#FFF'
});
adj.setData('showDesc', true, 'current');
});
} else {
delete node.selected;
}
//trigger animation to final styles
Mconsole.fx.animate({
modes: ['node-property:dim',
'edge-property:lineWidth:color'],
duration: 500
});
}//selectNodeOnClickHandler
//for the canvasDoubleClickHandler function
var canvasDoubleClickHandlerObject = new Object();
canvasDoubleClickHandlerObject.stored_timestamp = 0;
function canvasDoubleClickHandler(e) {
var TOLERANCE = 1000; //1 second
//grab the location and timestamp of the click
var stored_timestamp = canvasDoubleClickHandlerObject.stored_timestamp;
var now = Date.now(); //not compatible with IE8 FYI
if (now - stored_timestamp < TOLERANCE) {
//pop up node creation :)
$('#new_item').fadeIn('fast');
//NOTE: we have e.x, e.y so use them!!
} else {
canvasDoubleClickHandlerObject.stored_timestamp = now;
}
}//canvasDoubleClickHandler