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

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JavaScript
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function selectEdgeOnClickHandler(adj, e) {
if (Mconsole.busy) return;
//editing overrides everything else
if (e.altKey) {
//in select-edit-delete-nodes-and-edges.js
editEdge(adj, e);
return;
}
var showDesc = adj.getData("showDesc");
if (showDesc && e.shiftKey) {
//deselecting an edge with shift
deselectEdge(adj);
} else if (!showDesc && e.shiftKey) {
//selecting an edge with shift
selectEdge(adj);
} else if (showDesc && !e.shiftKey) {
//deselecting an edge without shift - unselect all
deselectAllEdges();
} else if (!showDesc && !e.shiftKey) {
//selecting an edge without shift - unselect all but new one
deselectAllEdges();
selectEdge(adj);
}
Mconsole.plot();
}//selectEdgeOnClickHandler
function selectNodeOnClickHandler(node, e) {
if (Mconsole.busy) return;
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if (gType != "centered") {
//set final styles
if (!e.shiftKey) {
Mconsole.graph.eachNode(function (n) {
if (n.id != node.id) {
delete n.selected;
n.setData('onCanvas',false);
}
n.setData('dim', 25, 'current');
n.eachAdjacency(function (adj) {
deselectEdge(adj);
});
});
}
if (!node.selected) {
node.selected = true;
node.setData('dim', 30, 'current');
node.setData('onCanvas',true);
node.eachAdjacency(function (adj) {
selectEdge(adj);
});
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Mconsole.plot();
} else {
node.setData('dim', 25, 'current');
delete node.selected;
node.setData('onCanvas',false);
}
//trigger animation to final styles
Mconsole.fx.animate({
modes: ['edge-property:lineWidth:color:alpha'],
duration: 500
});
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Mconsole.plot();
}
}//selectNodeOnClickHandler
function canvasDoubleClickHandler(canvasLoc,e) {
var DOUBLE_CLICK_TOLERANCE = 300; //0.3 seconds
//grab the location and timestamp of the click
var storedTime = MetamapsModel.lastCanvasClick;
var now = Date.now(); //not compatible with IE8 FYI
if (now - storedTime < DOUBLE_CLICK_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 {
MetamapsModel.lastCanvasClick = now;
$('#new_topic').fadeOut('fast');
$('#new_synapse').fadeOut('fast');
tempInit = false;
tempNode = null;
tempNode2 = null;
Mconsole.plot();
}
}//canvasDoubleClickHandler
function onDragMoveTopicHandler(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) && userid != null) {
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);
}
}
}
}