metamaps--metamaps/app/assets/javascripts/Jit/graphsettings.js

727 lines
27 KiB
JavaScript

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: 15 //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: 2
},
//Native canvas text styling
Label: {
type: 'HTML', //Native or HTML
size: 20,
//style: 'bold'
},
//Add Tips
Tips: {
enable: false,
onShow: function (tip, node) {}
},
// Add node events
Events: {
enable: true,
enableForEdges: true,
type: 'HTML',
//Change cursor style when hovering a node
onMouseEnter: function () {
},
onMouseLeave: function () {
},
//Update node positions when dragged
onDragMove: function (node, eventInfo, e) {
clickDragOnTopic(node, eventInfo, e);
},
onDragEnd: function() {
if (tempInit && tempNode2 == null) {
$('#topic_addSynapse').val("true");
$('#new_topic').fadeIn('fast');
addMetacode();
$('#topic_name').focus();
}
else if (tempInit && tempNode2 != null) {
$('#topic_addSynapse').val("false");
$('#synapse_topic1id').val(tempNode.id);
$('#synapse_topic2id').val(tempNode2.id);
$('#new_synapse').fadeIn('fast');
$('#synapse_desc').focus();
tempNode = null;
tempNode2 = null;
tempInit = false;
}
else if (dragged != 0 && goRealtime) { saveLayout(dragged); }
},
onDragCancel: function() {
tempNode = null;
tempNode2 = null;
tempInit = false;
$('#topic_addSynapse').val("false");
$('#topic_topic1id').val(0);
$('#topic_topic2id').val(0);
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.nodeFrom) {
selectEdgeOnClickHandler(node);
}
else if (node && !node.nodeFrom) {
selectNodeOnClickHandler(node);
} else {
canvasDoubleClickHandler(eventInfo.getPos(), 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) {
onCreateLabelHandler(domElement, node);
},
// 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;
style.left = (left - w / 2) + 'px';
style.top = (top+25) + '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: 15 //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: 2
},
//Native canvas text styling
Label: {
type: 'HTML', //Native or HTML
size: 20,
//style: 'bold'
},
//Add Tips
Tips: {
enable: false,
onShow: function (tip, node) {}
},
// 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) {
clickDragOnTopic(node, eventInfo, e);
},
onDragEnd: function() {
if (tempInit && tempNode2 == null) {
$('#topic_addSynapse').val("true");
$('#new_topic').fadeIn('fast');
addMetacode();
$('#topic_name').focus();
}
else if (tempInit && tempNode2 != null) {
$('#topic_addSynapse').val("false");
$('#synapse_topic1id').val(tempNode.id);
$('#synapse_topic2id').val(tempNode2.id);
$('#new_synapse').fadeIn('fast');
$('#synapse_desc').focus();
tempNode = null;
tempNode2 = null;
tempInit = false;
}
},
onDragCancel: function() {
tempNode = null;
tempNode2 = null;
tempInit = false;
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 an edge, a node, or clicking on blank part of canvas?
if (eventInfo.getEdge() != false || node.nodeFrom) {
if (eventInfo.getEdge() != false) selectEdgeOnClickHandler(eventInfo.getEdge());
else if (node.nodeFrom) selectEdgeOnClickHandler(node);
}
else if (node && !node.nodeFrom) {
if (!Mconsole.busy) {
selectNodeOnClickHandler(node);
Mconsole.onClick(node.id, {
hideLabels: false
});
}
}
else {
canvasDoubleClickHandler(eventInfo.getPos(), 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) {
onCreateLabelHandler(domElement, node);
},
// 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;
style.left = (left - w / 2) + 'px';
style.top = (top+25) + 'px';
style.display = '';
}
};
}
return t;
}
// defining code to draw edges with arrows pointing in the middle of them
var renderMidArrow = function(from, to, dim, swap, canvas){
var ctx = canvas.getCtx();
// invert edge direction
if (swap) {
var tmp = from;
from = to;
to = tmp;
}
// vect represents a line from tip to tail of the arrow
var vect = new $jit.Complex(to.x - from.x, to.y - from.y);
// scale it
vect.$scale(dim / vect.norm());
// compute the midpoint of the edge line
var midPoint = new $jit.Complex((to.x + from.x) / 2, (to.y + from.y) / 2);
// move midpoint by half the "length" of the arrow so the arrow is centered on the midpoint
midPoint.x += (vect.x / 0.7);
midPoint.y += (vect.y / 0.7);
// compute the tail intersection point with the edge line
var intermediatePoint = new $jit.Complex(midPoint.x - vect.x,
midPoint.y - vect.y);
// vector perpendicular to vect
var normal = new $jit.Complex(-vect.y / 2, vect.x / 2);
var v1 = intermediatePoint.add(normal);
var v2 = intermediatePoint.$add(normal.$scale(-1));
//ctx.strokeStyle = 'black';
ctx.beginPath();
ctx.moveTo(from.x, from.y);
ctx.lineTo(to.x, to.y);
ctx.stroke();
ctx.beginPath();
ctx.moveTo(v1.x, v1.y);
ctx.lineTo(midPoint.x, midPoint.y);
ctx.lineTo(v2.x, v2.y);
ctx.stroke();
};
// defining custom node type
var nodeSettings = {
'customNode': {
'render': function (node, canvas) {
var pos = node.pos.getc(true),
dim = node.getData('dim'),
cat = node.getData('metacode'),
inCommons = node.getData('inCommons'),
onCanvas = node.getData('onCanvas'),
ctx = canvas.getCtx();
// if the topic is from the Commons draw a green circle around it
if (inCommons) {
ctx.beginPath();
ctx.arc(pos.x, pos.y, dim+3, 0, 2 * Math.PI, false);
ctx.strokeStyle = '#67be5f'; // green
ctx.lineWidth = 2;
ctx.stroke();
}
// if the topic is on the Canvas draw a white circle around it
if (onCanvas) {
ctx.beginPath();
ctx.arc(pos.x, pos.y, dim+3, 0, 2 * Math.PI, false);
ctx.strokeStyle = 'white';
ctx.lineWidth = 2;
ctx.stroke();
}
ctx.drawImage(imgArray[cat], pos.x - dim, pos.y - dim, dim*2, dim*2);
},
'contains': function(node, pos) {
var npos = node.pos.getc(true),
dim = node.getData('dim');
return this.nodeHelper.circle.contains(npos, pos, dim);
}
}
}
// defining custom edges
var edgeSettings = {
'customEdge': {
'render': function(adj, canvas) {
//get nodes cartesian coordinates
var pos = adj.nodeFrom.pos.getc(true);
var posChild = adj.nodeTo.pos.getc(true);
var directionCat = adj.getData("category");
//label placement on edges
//plot arrow edge
if (directionCat == "none") {
this.edgeHelper.line.render({ x: pos.x, y: pos.y }, { x: posChild.x, y: posChild.y }, canvas);
}
else if (directionCat == "both") {
renderMidArrow({ x: pos.x, y: pos.y }, { x: posChild.x, y: posChild.y }, 13, true, canvas);
renderMidArrow({ x: pos.x, y: pos.y }, { x: posChild.x, y: posChild.y }, 13, false, canvas);
}
else if (directionCat == "from-to") {
var direction = adj.data.$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");
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 this.edgeHelper.line.contains(from, to, pos, adj.Edge.epsilon);
}
}
}
function selectEdgeOnClickHandler(adj) {
var showDesc = adj.getData("showDesc");
if (showDesc) {
adj.setData('showDesc', false, 'current');
Mconsole.plot();
} else if (!showDesc) {
adj.setData('showDesc', true, 'current');
Mconsole.plot();
}
}//selectEdgeOnClickHandler
function selectNodeOnClickHandler(node) {
$('.showcard').css('display','none');
$('.name').css('display','block');
$('.name.topic_' + node.id).css('display','none');
$('.showcard.topic_' + node.id).fadeIn('fast');
//set final styles
Mconsole.graph.eachNode(function (n) {
if (n.id != node.id) delete n.selected;
n.setData('dim', 25, 'current');
n.eachAdjacency(function (adj) {
adj.setDataset('end', {
lineWidth: 2,
color: '#222222'
});
adj.setData('showDesc', false, 'current');
});
});
if (!node.selected) {
node.selected = true;
node.setData('dim', 1, 'current');
node.eachAdjacency(function (adj) {
adj.setDataset('end', {
lineWidth: 4,
color: '#FFF'
});
adj.setData('showDesc', true, 'current');
});
} else {
node.setData('dim', 25, 'current');
delete node.selected;
}
//trigger animation to final styles
Mconsole.fx.animate({
modes: ['edge-property:lineWidth:color'],
duration: 500
});
}//selectNodeOnClickHandler
//for the canvasDoubleClickHandler function
var canvasDoubleClickHandlerObject = new Object();
canvasDoubleClickHandlerObject.storedTime = 0;
function canvasDoubleClickHandler(canvasLoc,e) {
var TOLERANCE = 300; //0.3 seconds
//grab the location and timestamp of the click
var storedTime = canvasDoubleClickHandlerObject.storedTime;
var now = Date.now(); //not compatible with IE8 FYI
if (now - storedTime < TOLERANCE) {
//pop up node creation :)
$('#topic_grabTopic').val("null");
$('#topic_addSynapse').val("false");
$('#new_topic').css('left',e.clientX + "px");
$('#new_topic').css('top',e.clientY + "px");
$('#topic_x').val(canvasLoc.x);
$('#topic_y').val(canvasLoc.y);
$('#new_topic').fadeIn('fast');
addMetacode();
$('#topic_name').focus();
} else {
canvasDoubleClickHandlerObject.storedTime = now;
$('#new_topic').fadeOut('fast');
$('#new_synapse').fadeOut('fast');
tempInit = false;
tempNode = null;
tempNode2 = null;
Mconsole.plot();
}
}//canvasDoubleClickHandler
// ForceDirected Mode: for the creation of new topics and synapses through clicking and draggin with right clicks off of topics
function clickDragOnTopic(node, eventInfo, e) {
if (node && !node.nodeFrom) {
$('#new_synapse').fadeOut('fast');
$('#new_topic').fadeOut('fast');
var pos = eventInfo.getPos();
// if it's a left click, move the node
if (e.button == 0 && !e.altKey && (e.buttons == 0 || e.buttons == 1 || e.buttons == undefined)) {
dragged = node.id;
node.pos.setc(pos.x, pos.y);
node.data.$xloc = pos.x;
node.data.$yloc = pos.y;
Mconsole.plot();
}
// if it's a right click or holding down alt, start synapse creation ->third option is for firefox
else if (e.button == 2 || (e.button == 0 && e.altKey) || e.buttons == 2) {
if (tempInit == false) {
tempNode = node;
tempInit = true;
}
//
temp = eventInfo.getNode();
if (temp != false && temp.id != node.id) { // this means a Node has been returned
tempNode2 = temp;
Mconsole.plot();
renderMidArrow({ x: tempNode.pos.getc().x, y: tempNode.pos.getc().y }, { x: temp.pos.getc().x, y: temp.pos.getc().y }, 13, false, Mconsole.canvas);
// before making the highlighted one bigger, make sure all the others are regular size
Mconsole.graph.eachNode(function (n) {
n.setData('dim', 25, 'current');
});
temp.setData('dim',35,'current');
Mconsole.fx.plotNode(tempNode, Mconsole.canvas);
Mconsole.fx.plotNode(temp, Mconsole.canvas);
} else if (!temp) {
tempNode2 = null;
Mconsole.graph.eachNode(function (n) {
n.setData('dim', 25, 'current');
});
//pop up node creation :)
$('#topic_grabTopic').val("null");
var myX = e.clientX - 110;
var myY = e.clientY - 30;
$('#new_topic').css('left',myX + "px");
$('#new_topic').css('top',myY + "px");
$('#new_synapse').css('left',myX + "px");
$('#new_synapse').css('top',myY + "px");
$('#topic_x').val(eventInfo.getPos().x);
$('#topic_y').val(eventInfo.getPos().y);
Mconsole.plot();
renderMidArrow({ x: tempNode.pos.getc().x, y: tempNode.pos.getc().y }, { x: pos.x, y: pos.y }, 13, false, Mconsole.canvas);
Mconsole.fx.plotNode(tempNode, Mconsole.canvas);
}
}
}
}
function onCreateLabelHandler(domElement, node) {
var html = ' \
<div class="CardOnGraph" \
id="topic_$_id_$"> \
<p class="type best_in_place best_in_place_metacode" \
data-url="/topics/$_id_$" \
data-object="topic" \
data-collection=$_metacode_choices_$ \
data-attribute="metacode" \
data-type="select">$_metacode_$</p> \
<img alt="$_metacode_$" \
class="icon" \
title="Click to hide card" \
height="50" \
width="50" \
src="$_imgsrc_$" /> \
<div class="scroll"> \
<span class="title"> \
<span class="best_in_place best_in_place_name" \
data-url="/topics/$_id_$" \
data-object="topic" \
data-attribute="name" \
data-type="input">$_name_$</span> \
<a href="/topics/$_id_$" class="topic-go-arrow" target="_blank"> \
<img class="topic-go-arrow" \
title="Explore Topic" \
src="/assets/go-arrow.png" /> \
</a> \
<div class="clearfloat"></div> \
</span> \
<div class="contributor"> \
Added by: <a href="/users/$_userid_$" target="_blank">$_username_$ \
</a> \
</div> \
<div class="desc"> \
<span class="best_in_place best_in_place_desc" \
data-url="/topics/$_id_$" \
data-object="topic" \
data-nil="$_desc_nil_$" \
data-attribute="desc" \
data-type="textarea">$_desc_$</span> \
</div> \
</div> \
<a href="$_link_$" class="link" target="_blank"> \
<span class="best_in_place best_in_place_link" \
data-url="/topics/$_id_$" \
data-object="topic" \
data-attribute="link" \
data-activator=".topic_$_id_$ .edit-link" \
data-type="input">$_link_$</span> \
</a> \
<span class="edit-link">(Edit)</span> \
</div>';
//create metacode_choices array from imgArray
var metacodes = new Array();
for (var key in imgArray) {
if (imgArray.hasOwnProperty(key)) {
if (key != node.getData("metacode")) {
metacodes.push(key);
}
}
}
//Arrange it how we want it
metacodes.sort();
metacodes.unshift(node.getData("metacode"));
var metacode_choices = "'[";
for (var i in metacodes) {
metacode_choices += '["' + metacodes[i] + '","' + metacodes[i] + '"],';
}
//remove trailing comma and add ]
metacode_choices = metacode_choices.slice(0, -1);
metacode_choices += "]'";
html = html.replace(/\$_id_\$/g, node.id);
html = html.replace(/\$_metacode_\$/g, node.getData("metacode"));
html = html.replace(/\$_imgsrc_\$/g, imgArray[node.getData("metacode")].src);
html = html.replace(/\$_name_\$/g, node.name);
html = html.replace(/\$_userid_\$/g, node.getData("userid"));
html = html.replace(/\$_username_\$/g, node.getData("username"));
var desc_nil = "<span class='gray'>Click to add description.</span>";
html = html.replace(/\$_desc_nil_\$/g, desc_nil);
if (node.getData("desc") == "" && userid != null) {
html = html.replace(/\$_desc_\$/g, desc_nil);
} else {
html = html.replace(/\$_desc_\$/g, node.getData("desc"));
}
html = html.replace(/\$_link_\$/g, node.getData("link"));
html = html.replace(/\$_metacode_choices_\$/g, metacode_choices);
var showCard = document.createElement('div');
showCard.className = 'showcard topic_' + node.id;
showCard.innerHTML = html;
showCard.style.display = "none";
domElement.appendChild(showCard);
// add some events to the label
$(showCard).find('img.icon').click(function(){
delete node.selected;
node.setData('dim', 25, 'current');
/*node.eachAdjacency(function (adj) {
adj.setDataset('end', {
lineWidth: 2,
color: '#222222'
});
adj.setData('showDesc', false, 'current');
});
Mconsole.fx.animate({
modes: ['edge-property:lineWidth:color'],
duration: 500
});*/
$('.showcard.topic_' + node.id).fadeOut('fast', function(){
$('.name').css('display','block');
Mconsole.plot();
});
});
//$(showCard).find('.scroll').mCustomScrollbar();
// Create a 'name' button and add it to the main node label
var nameContainer = document.createElement('span'),
style = nameContainer.style;
nameContainer.className = 'name topic_' + node.id;
var littleHTML = ' \
<div class="label">$_name_$</div> \
<div class="nodeOptions">';
if (mapid == null) {
littleHTML += ' \
<span class="removeFromCanvas" \
onclick="removeFromCanvas($_id_$)" \
title="Click to remove topic from canvas"> \
</span>';
}
else if (mapid != null && userid != null) {
littleHTML += ' \
<a href="/mappings/$_mapid_$/$_id_$/removefrommap" \
title="Click to remove topic from map" \
class="removeFromMap" \
data-method="get" \
data-remote="true" \
rel="nofollow"> \
</a>';
}
if (userid != null) {
littleHTML += ' \
<a href="/topics/$_id_$" \
title="Click to delete this topic" \
class="deleteTopic" \
data-confirm="Delete this topic and all synapses linking to it?" \
data-method="delete" \
data-remote="true" \
rel="nofollow"> \
</a>';
}
littleHTML += '</div>';
littleHTML = littleHTML.replace(/\$_id_\$/g, node.id);
littleHTML = littleHTML.replace(/\$_mapid_\$/g, mapid);
littleHTML = littleHTML.replace(/\$_name_\$/g, node.name);
nameContainer.innerHTML = littleHTML;
domElement.appendChild(nameContainer);
style.fontSize = "0.9em";
style.color = "#222222";
// add some events to the label
$(nameContainer).find('.label').click(function(){
selectNodeOnClickHandler(node)
});
nameContainer.onmouseover = function(){
$('.name.topic_' + node.id + ' .nodeOptions').css('display','block');
}
nameContainer.onmouseout = function(){
$('.name.topic_' + node.id + ' .nodeOptions').css('display','none');
}
//bind callbacks
$(showCard).find('.type.best_in_place').bind("ajax:success", function() {
var metacode = $(this).html();
$(showCard).find('img.icon').attr('alt', metacode);
$(showCard).find('img.icon').attr('src', imgArray[metacode].src);
node.setData("metacode", metacode);
Mconsole.plot();
});
$(showCard).find('.best_in_place_name').bind("ajax:success", function() {
var name = $(this).html();
$(nameContainer).find('.label').html(name);
});
}//onCreateLabelHandler