1948 lines
77 KiB
JavaScript
1948 lines
77 KiB
JavaScript
Metamaps.JIT = {
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events: {
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topicDrag: 'Metamaps:JIT:events:topicDrag',
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newTopic: 'Metamaps:JIT:events:newTopic',
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deleteTopic: 'Metamaps:JIT:events:deleteTopic',
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removeTopic: 'Metamaps:JIT:events:removeTopic',
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newSynapse: 'Metamaps:JIT:events:newSynapse',
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deleteSynapse: 'Metamaps:JIT:events:deleteSynapse',
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removeSynapse: 'Metamaps:JIT:events:removeSynapse',
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pan: 'Metamaps:JIT:events:pan',
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zoom: 'Metamaps:JIT:events:zoom',
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animationDone: 'Metamaps:JIT:events:animationDone',
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},
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vizData: [], // contains the visualization-compatible graph
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/**
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* This method will bind the event handlers it is interested and initialize the class.
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*/
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init: function () {
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var self = Metamaps.JIT;
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$(".zoomIn").click(self.zoomIn);
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$(".zoomOut").click(self.zoomOut);
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var zoomExtents = function (event) {
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self.zoomExtents(event, Metamaps.Visualize.mGraph.canvas);
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};
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$(".zoomExtents").click(zoomExtents);
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$(".takeScreenshot").click(Metamaps.Map.exportImage);
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self.topicDescImage = new Image();
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self.topicDescImage.src = '/assets/topic_description_signifier.png';
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self.topicLinkImage = new Image();
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self.topicLinkImage.src = '/assets/topic_link_signifier.png';
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},
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/**
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* convert our topic JSON into something JIT can use
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*/
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convertModelsToJIT: function(topics, synapses) {
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var jitReady = [];
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var synapsesToRemove = [];
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var topic;
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var mapping;
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var node;
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var nodes = {};
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var existingEdge;
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var edge;
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var edges = [];
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topics.each(function (t) {
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node = t.createNode();
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nodes[node.id] = node;
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});
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synapses.each(function (s) {
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edge = s.createEdge();
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if (topics.get(s.get('node1_id')) === undefined || topics.get(s.get('node2_id')) === undefined) {
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// this means it's an invalid synapse
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synapsesToRemove.push(s);
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}
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else if (nodes[edge.nodeFrom] && nodes[edge.nodeTo]) {
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existingEdge = _.findWhere(edges, {
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nodeFrom: edge.nodeFrom,
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nodeTo: edge.nodeTo
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}) ||
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_.findWhere(edges, {
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nodeFrom: edge.nodeTo,
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nodeTo: edge.nodeFrom
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});
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if (existingEdge) {
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// for when you're dealing with multiple relationships between the same two topics
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if (Metamaps.Active.Map) {
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mapping = s.getMapping();
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existingEdge.data['$mappingIDs'].push(mapping.id);
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}
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existingEdge.data['$synapseIDs'].push(s.id);
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} else {
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// for when you're dealing with a topic that has relationships to many different nodes
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nodes[edge.nodeFrom].adjacencies.push(edge);
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edges.push(edge);
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}
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}
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});
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_.each(nodes, function (node) {
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jitReady.push(node);
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});
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return [jitReady, synapsesToRemove];
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},
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prepareVizData: function () {
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var self = Metamaps.JIT;
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var mapping;
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// reset/empty vizData
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self.vizData = [];
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Metamaps.Visualize.loadLater = false;
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var results = self.convertModelsToJIT(Metamaps.Topics, Metamaps.Synapses);
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self.vizData = results[0];
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// clean up the synapses array in case of any faulty data
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_.each(results[1], function (synapse) {
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mapping = synapse.getMapping();
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Metamaps.Synapses.remove(synapse);
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Metamaps.Mappings.remove(mapping);
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});
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if (self.vizData.length == 0) {
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Metamaps.Famous.viz.showInstructions();
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Metamaps.Visualize.loadLater = true;
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}
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else Metamaps.Famous.viz.hideInstructions();
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Metamaps.Visualize.render();
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}, // prepareVizData
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edgeRender: function (adj, canvas) {
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//get nodes cartesian coordinates
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var pos = adj.nodeFrom.pos.getc(true);
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var posChild = adj.nodeTo.pos.getc(true);
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var synapse;
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if(adj.getData("displayIndex")) {
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synapse = adj.getData("synapses")[adj.getData("displayIndex")];
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if (!synapse) {
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delete adj.data.$displayIndex;
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synapse = adj.getData("synapses")[0];
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}
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}
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else {
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synapse = adj.getData("synapses")[0];
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}
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if (!synapse) return; // this means there are no corresponding synapses for
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// this edge, don't render it
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var directionCat = synapse.get("category");
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//label placement on edges
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if (canvas.denySelected) {
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var color = Metamaps.Settings.colors.synapses.normal;
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canvas.getCtx().fillStyle = canvas.getCtx().strokeStyle = color;
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}
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Metamaps.JIT.renderEdgeArrows($jit.Graph.Plot.edgeHelper, adj, synapse, canvas);
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//check for edge label in data
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var desc = synapse.get("desc");
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var showDesc = adj.getData("showDesc");
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var drawSynapseCount = function (context, x, y, count) {
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/*
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circle size: 16x16px
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positioning: overlay and center on top right corner of synapse label - 8px left and 8px down
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color: #dab539
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border color: #424242
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border size: 1.5px
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font: DIN medium
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font-size: 14pt
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font-color: #424242
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*/
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context.beginPath();
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context.arc(x, y, 8, 0, 2 * Math.PI, false);
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context.fillStyle = '#DAB539';
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context.strokeStyle = '#424242';
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context.lineWidth = 1.5;
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context.closePath();
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context.fill();
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context.stroke();
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// add the synapse count
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context.fillStyle = '#424242';
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context.textAlign = 'center';
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context.font = '14px din-medium';
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context.fillText(count, x, y + 5);
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};
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if (!canvas.denySelected && desc != "" && showDesc) {
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// '&' to '&'
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desc = Metamaps.Util.decodeEntities(desc);
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//now adjust the label placement
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var ctx = canvas.getCtx();
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ctx.font = 'bold 14px arial';
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ctx.fillStyle = '#FFF';
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ctx.textBaseline = 'alphabetic';
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var arrayOfLabelLines = Metamaps.Util.splitLine(desc, 30).split('\n');
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var index, lineWidths = [];
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for (index = 0; index < arrayOfLabelLines.length; ++index) {
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lineWidths.push(ctx.measureText(arrayOfLabelLines[index]).width)
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}
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var width = Math.max.apply(null, lineWidths) + 16;
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var height = (16 * arrayOfLabelLines.length) + 8;
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var x = (pos.x + posChild.x - width) / 2;
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var y = ((pos.y + posChild.y) / 2) - height / 2;
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var radius = 5;
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//render background
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ctx.beginPath();
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ctx.moveTo(x + radius, y);
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ctx.lineTo(x + width - radius, y);
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ctx.quadraticCurveTo(x + width, y, x + width, y + radius);
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ctx.lineTo(x + width, y + height - radius);
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ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height);
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ctx.lineTo(x + radius, y + height);
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ctx.quadraticCurveTo(x, y + height, x, y + height - radius);
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ctx.lineTo(x, y + radius);
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ctx.quadraticCurveTo(x, y, x + radius, y);
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ctx.closePath();
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ctx.fill();
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// get number of synapses
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var synapseNum = adj.getData("synapses").length;
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//render text
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ctx.fillStyle = '#424242';
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ctx.textAlign = 'center';
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for (index = 0; index < arrayOfLabelLines.length; ++index) {
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ctx.fillText(arrayOfLabelLines[index], x + (width / 2), y + 18 + (16 * index));
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}
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if (synapseNum > 1) {
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drawSynapseCount(ctx, x + width, y, synapseNum);
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}
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}
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else if (!canvas.denySelected && showDesc) {
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// get number of synapses
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var synapseNum = adj.getData("synapses").length;
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if (synapseNum > 1) {
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var ctx = canvas.getCtx();
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var x = (pos.x + posChild.x) / 2;
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var y = (pos.y + posChild.y) / 2;
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drawSynapseCount(ctx, x, y, synapseNum);
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}
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}
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}, // edgeRender
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ForceDirected: {
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animateSavedLayout: {
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modes: ['linear'],
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transition: $jit.Trans.Quad.easeInOut,
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duration: 800,
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onComplete: function () {
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Metamaps.Visualize.mGraph.busy = false;
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$(document).trigger(Metamaps.JIT.events.animationDone);
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}
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},
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animateFDLayout: {
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modes: ['linear'],
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transition: $jit.Trans.Elastic.easeOut,
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duration: 800,
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onComplete: function () {
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Metamaps.Visualize.mGraph.busy = false;
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}
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},
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graphSettings: {
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//id of the visualization container
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injectInto: 'infovis',
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//Enable zooming and panning
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//by scrolling and DnD
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Navigation: {
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enable: true,
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//Enable panning events only if we're dragging the empty
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//canvas (and not a node).
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panning: 'avoid nodes',
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zooming: 28 //zoom speed. higher is more sensible
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},
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//background: {
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// type: 'Metamaps'
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//},
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//NodeStyles: {
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// enable: true,
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// type: 'Native',
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// stylesHover: {
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// dim: 30
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// },
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// duration: 300
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//},
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// Change node and edge styles such as
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// color and width.
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// These properties are also set per node
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// with dollar prefixed data-properties in the
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// JSON structure.
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Node: {
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overridable: true,
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color: '#2D6A5D',
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type: 'customNode',
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dim: 25
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},
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Edge: {
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overridable: true,
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color: Metamaps.Settings.colors.synapses.normal,
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type: 'customEdge',
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lineWidth: 2,
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alpha: 1
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},
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//Native canvas text styling
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Label: {
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type: 'Native', //Native or HTML
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size: 20,
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family: 'arial',
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textBaseline: 'alphabetic',
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color: Metamaps.Settings.colors.labels.text
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},
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//Add Tips
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Tips: {
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enable: false,
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onShow: function (tip, node) {}
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},
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// Add node events
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Events: {
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enable: true,
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enableForEdges: true,
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onMouseMove: function (node, eventInfo, e) {
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Metamaps.JIT.onMouseMoveHandler(node, eventInfo, e);
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//console.log('called mouse move handler');
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},
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//Update node positions when dragged
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onDragMove: function (node, eventInfo, e) {
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Metamaps.JIT.onDragMoveTopicHandler(node, eventInfo, e);
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//console.log('called drag move handler');
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},
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onDragEnd: function (node, eventInfo, e) {
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Metamaps.JIT.onDragEndTopicHandler(node, eventInfo, e, false);
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//console.log('called drag end handler');
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},
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onDragCancel: function (node, eventInfo, e) {
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Metamaps.JIT.onDragCancelHandler(node, eventInfo, e, false);
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},
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//Implement the same handler for touchscreens
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onTouchStart: function (node, eventInfo, e) {
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//$jit.util.event.stop(e); //stop default touchmove event
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//Metamaps.Visualize.mGraph.events.onMouseDown(e, null, eventInfo);
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Metamaps.Visualize.mGraph.events.touched = true;
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Metamaps.Touch.touchPos = eventInfo.getPos();
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var canvas = Metamaps.Visualize.mGraph.canvas,
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ox = canvas.translateOffsetX;
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oy = canvas.translateOffsetY,
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sx = canvas.scaleOffsetX,
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sy = canvas.scaleOffsetY;
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Metamaps.Touch.touchPos.x *= sx;
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Metamaps.Touch.touchPos.y *= sy;
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Metamaps.Touch.touchPos.x += ox;
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Metamaps.Touch.touchPos.y += oy;
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touchDragNode = node;
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},
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//Implement the same handler for touchscreens
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onTouchMove: function (node, eventInfo, e) {
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if (Metamaps.Touch.touchDragNode) Metamaps.JIT.onDragMoveTopicHandler(Metamaps.Touch.touchDragNode, eventInfo, e);
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else {
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Metamaps.JIT.touchPanZoomHandler(eventInfo, e);
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}
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},
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//Implement the same handler for touchscreens
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onTouchEnd: function (node, eventInfo, e) {
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},
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//Implement the same handler for touchscreens
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onTouchCancel: function (node, eventInfo, e) {
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},
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//Add also a click handler to nodes
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onClick: function (node, eventInfo, e) {
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// remove the rightclickmenu
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$('.rightclickmenu').remove();
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if (Metamaps.Mouse.boxStartCoordinates) {
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if(e.ctrlKey){
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Metamaps.Visualize.mGraph.busy = false;
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Metamaps.Mouse.boxEndCoordinates = eventInfo.getPos();
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var bS = Metamaps.Mouse.boxStartCoordinates;
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var bE = Metamaps.Mouse.boxEndCoordinates;
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if (Math.abs(bS.x - bE.x) > 20 && Math.abs(bS.y - bE.y) > 20) {
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Metamaps.JIT.zoomToBox(e);
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return;
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}
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else {
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Metamaps.Mouse.boxStartCoordinates = null;
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Metamaps.Mouse.boxEndCoordinates = null;
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}
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//console.log('called zoom to box');
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}
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if (e.shiftKey) {
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Metamaps.Visualize.mGraph.busy = false;
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Metamaps.Mouse.boxEndCoordinates = eventInfo.getPos();
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Metamaps.JIT.selectWithBox(e);
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//console.log('called select with box');
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return;
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};
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}
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if (e.target.id != "infovis-canvas") return false;
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//clicking on a edge, node, or clicking on blank part of canvas?
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if (node.nodeFrom) {
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Metamaps.JIT.selectEdgeOnClickHandler(node, e);
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//console.log('called selectEdgeOnClickHandler');
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} else if (node && !node.nodeFrom) {
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Metamaps.JIT.selectNodeOnClickHandler(node, e);
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//console.log('called selectNodeOnClickHandler');
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} else {
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Metamaps.JIT.canvasClickHandler(eventInfo.getPos(), e);
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//console.log('called canvasClickHandler');
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} //if
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},
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//Add also a click handler to nodes
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onRightClick: function (node, eventInfo, e) {
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// remove the rightclickmenu
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$('.rightclickmenu').remove();
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if (Metamaps.Mouse.boxStartCoordinates) {
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Metamaps.Visualize.mGraph.busy = false;
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Metamaps.Mouse.boxEndCoordinates = eventInfo.getPos();
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Metamaps.JIT.selectWithBox(e);
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return;
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}
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if (e.target.id != "infovis-canvas") return false;
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//clicking on a edge, node, or clicking on blank part of canvas?
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if (node.nodeFrom) {
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Metamaps.JIT.selectEdgeOnRightClickHandler(node, e);
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} else if (node && !node.nodeFrom) {
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Metamaps.JIT.selectNodeOnRightClickHandler(node, e);
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} else {
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//console.log('right clicked on open space');
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}
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}
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},
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//Number of iterations for the FD algorithm
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iterations: 200,
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//Edge length
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levelDistance: 200,
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},
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nodeSettings: {
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'customNode': {
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'render': function (node, canvas) {
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var pos = node.pos.getc(true),
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dim = node.getData('dim'),
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topic = node.getData('topic'),
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metacode = topic ? topic.getMetacode() : false,
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ctx = canvas.getCtx();
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// if the topic is selected draw a circle around it
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if (!canvas.denySelected && node.selected) {
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ctx.beginPath();
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ctx.arc(pos.x, pos.y, dim + 3, 0, 2 * Math.PI, false);
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ctx.strokeStyle = Metamaps.Settings.colors.topics.selected;
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ctx.lineWidth = 2;
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ctx.stroke();
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}
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if (!metacode ||
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!metacode.get('image') ||
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!metacode.get('image').complete ||
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(typeof metacode.get('image').naturalWidth !== "undefined" &&
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metacode.get('image').naturalWidth === 0)) {
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ctx.beginPath();
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ctx.arc(pos.x, pos.y, dim, 0, 2 * Math.PI, false);
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ctx.fillStyle = '#B6B2FD';
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ctx.fill();
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} else {
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ctx.drawImage(metacode.get('image'), pos.x - dim, pos.y - dim, dim * 2, dim * 2);
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}
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// if the topic has a link, draw a small image to indicate that
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var hasLink = topic && topic.get('link') !== "" && topic.get('link') !== null;
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var linkImage = Metamaps.JIT.topicLinkImage;
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var linkImageLoaded = linkImage.complete ||
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(typeof linkImage.naturalWidth !== "undefined" &&
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linkImage.naturalWidth !== 0)
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if (hasLink && linkImageLoaded) {
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ctx.drawImage(linkImage, pos.x - dim - 8, pos.y - dim - 8, 16, 16);
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}
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// if the topic has a desc, draw a small image to indicate that
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var hasDesc = topic && topic.get('desc') !== "" && topic.get('desc') !== null;
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var descImage = Metamaps.JIT.topicDescImage;
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var descImageLoaded = descImage.complete ||
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(typeof descImage.naturalWidth !== "undefined" &&
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descImage.naturalWidth !== 0)
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if (hasDesc && descImageLoaded) {
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ctx.drawImage(descImage, pos.x + dim - 8, pos.y - dim - 8, 16, 16);
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}
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},
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'contains': function (node, pos) {
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var npos = node.pos.getc(true),
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dim = node.getData('dim'),
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arrayOfLabelLines = Metamaps.Util.splitLine(node.name, 30).split('\n'),
|
|
ctx = Metamaps.Visualize.mGraph.canvas.getCtx();
|
|
|
|
var height = 25 * arrayOfLabelLines.length;
|
|
|
|
var index, lineWidths = [];
|
|
for (index = 0; index < arrayOfLabelLines.length; ++index) {
|
|
lineWidths.push(ctx.measureText(arrayOfLabelLines[index]).width)
|
|
}
|
|
var width = Math.max.apply(null, lineWidths) + 8;
|
|
var labely = npos.y + node.getData("height") + 5 + height / 2;
|
|
|
|
var overLabel = this.nodeHelper.rectangle.contains({
|
|
x: npos.x,
|
|
y: labely
|
|
}, pos, width, height);
|
|
|
|
return this.nodeHelper.circle.contains(npos, pos, dim) || overLabel;
|
|
}
|
|
}
|
|
},
|
|
edgeSettings: {
|
|
'customEdge': {
|
|
'render': function (adj, canvas) {
|
|
Metamaps.JIT.edgeRender(adj, canvas)
|
|
},
|
|
'contains': function (adj, pos) {
|
|
var from = adj.nodeFrom.pos.getc(),
|
|
to = adj.nodeTo.pos.getc();
|
|
|
|
// this fixes an issue where when edges are perfectly horizontal or perfectly vertical
|
|
// it becomes incredibly difficult to hover over them
|
|
if (-1 < pos.x && pos.x < 1) pos.x = 0;
|
|
if (-1 < pos.y && pos.y < 1) pos.y = 0;
|
|
|
|
return $jit.Graph.Plot.edgeHelper.line.contains(from, to, pos, adj.Edge.epsilon + 5);
|
|
}
|
|
}
|
|
}
|
|
}, // ForceDirected
|
|
ForceDirected3D: {
|
|
animate: {
|
|
modes: ['linear'],
|
|
transition: $jit.Trans.Elastic.easeOut,
|
|
duration: 2500,
|
|
onComplete: function () {
|
|
Metamaps.Visualize.mGraph.busy = false;
|
|
}
|
|
},
|
|
graphSettings: {
|
|
//id of the visualization container
|
|
injectInto: 'infovis',
|
|
type: '3D',
|
|
Scene: {
|
|
Lighting: {
|
|
enable: false,
|
|
ambient: [0.5, 0.5, 0.5],
|
|
directional: {
|
|
direction: {
|
|
x: 1,
|
|
y: 0,
|
|
z: -1
|
|
},
|
|
color: [0.9, 0.9, 0.9]
|
|
}
|
|
}
|
|
},
|
|
//Enable zooming and panning
|
|
//by scrolling and DnD
|
|
Navigation: {
|
|
enable: false,
|
|
//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,
|
|
type: 'sphere',
|
|
dim: 15,
|
|
color: '#ffffff'
|
|
},
|
|
Edge: {
|
|
overridable: false,
|
|
type: 'tube',
|
|
color: '#111',
|
|
lineWidth: 3
|
|
},
|
|
//Native canvas text styling
|
|
Label: {
|
|
type: 'HTML', //Native or HTML
|
|
size: 10,
|
|
style: 'bold'
|
|
},
|
|
// Add node events
|
|
Events: {
|
|
enable: true,
|
|
type: 'Native',
|
|
i: 0,
|
|
onMouseMove: function (node, eventInfo, e) {
|
|
//if(this.i++ % 3) return;
|
|
var pos = eventInfo.getPos();
|
|
Metamaps.Visualize.cameraPosition.x += (pos.x - Metamaps.Visualize.cameraPosition.x) * 0.5;
|
|
Metamaps.Visualize.cameraPosition.y += (-pos.y - Metamaps.Visualize.cameraPosition.y) * 0.5;
|
|
Metamaps.Visualize.mGraph.plot();
|
|
},
|
|
onMouseWheel: function (delta) {
|
|
Metamaps.Visualize.cameraPosition.z += -delta * 20;
|
|
Metamaps.Visualize.mGraph.plot();
|
|
},
|
|
onClick: function () {}
|
|
},
|
|
//Number of iterations for the FD algorithm
|
|
iterations: 200,
|
|
//Edge length
|
|
levelDistance: 100
|
|
},
|
|
nodeSettings: {
|
|
|
|
},
|
|
edgeSettings: {
|
|
|
|
}
|
|
}, // ForceDirected3D
|
|
RGraph: {
|
|
animate: {
|
|
modes: ['polar'],
|
|
duration: 800,
|
|
onComplete: function () {
|
|
Metamaps.Visualize.mGraph.busy = false;
|
|
}
|
|
},
|
|
// this will just be used to patch the ForceDirected graphsettings with the few things which actually differ
|
|
background: {
|
|
//type: 'Metamaps',
|
|
levelDistance: 200,
|
|
numberOfCircles: 4,
|
|
CanvasStyles: {
|
|
strokeStyle: '#333',
|
|
lineWidth: 1.5
|
|
}
|
|
},
|
|
levelDistance: 200
|
|
},
|
|
onMouseEnter: function (edge) {
|
|
var filtered = edge.getData('alpha') === 0;
|
|
|
|
// don't do anything if the edge is filtered
|
|
// or if the canvas is animating
|
|
if (filtered || Metamaps.Visualize.mGraph.busy) return;
|
|
|
|
$('canvas').css('cursor', 'pointer');
|
|
var edgeIsSelected = Metamaps.Selected.Edges.indexOf(edge);
|
|
//following if statement only executes if the edge being hovered over is not selected
|
|
if (edgeIsSelected == -1) {
|
|
edge.setData('showDesc', true, 'current');
|
|
}
|
|
|
|
edge.setDataset('end', {
|
|
lineWidth: 4
|
|
});
|
|
Metamaps.Visualize.mGraph.fx.animate({
|
|
modes: ['edge-property:lineWidth'],
|
|
duration: 100
|
|
});
|
|
Metamaps.Visualize.mGraph.plot();
|
|
}, // onMouseEnter
|
|
onMouseLeave: function (edge) {
|
|
if (edge.getData('alpha') === 0) return; // don't do anything if the edge is filtered
|
|
$('canvas').css('cursor', 'default');
|
|
var edgeIsSelected = Metamaps.Selected.Edges.indexOf(edge);
|
|
//following if statement only executes if the edge being hovered over is not selected
|
|
if (edgeIsSelected == -1) {
|
|
edge.setData('showDesc', false, 'current');
|
|
}
|
|
|
|
edge.setDataset('end', {
|
|
lineWidth: 2
|
|
});
|
|
Metamaps.Visualize.mGraph.fx.animate({
|
|
modes: ['edge-property:lineWidth'],
|
|
duration: 100
|
|
});
|
|
Metamaps.Visualize.mGraph.plot();
|
|
}, // onMouseLeave
|
|
onMouseMoveHandler: function (node, eventInfo, e) {
|
|
|
|
var self = Metamaps.JIT;
|
|
|
|
if (Metamaps.Visualize.mGraph.busy) return;
|
|
|
|
var node = eventInfo.getNode();
|
|
var edge = eventInfo.getEdge();
|
|
|
|
//if we're on top of a node object, act like there aren't edges under it
|
|
if (node != false) {
|
|
if (Metamaps.Mouse.edgeHoveringOver) {
|
|
self.onMouseLeave(Metamaps.Mouse.edgeHoveringOver);
|
|
}
|
|
$('canvas').css('cursor', 'pointer');
|
|
return;
|
|
}
|
|
|
|
if (edge == false && Metamaps.Mouse.edgeHoveringOver != false) {
|
|
//mouse not on an edge, but we were on an edge previously
|
|
self.onMouseLeave(Metamaps.Mouse.edgeHoveringOver);
|
|
} else if (edge != false && Metamaps.Mouse.edgeHoveringOver == false) {
|
|
//mouse is on an edge, but there isn't a stored edge
|
|
self.onMouseEnter(edge);
|
|
} else if (edge != false && Metamaps.Mouse.edgeHoveringOver != edge) {
|
|
//mouse is on an edge, but a different edge is stored
|
|
self.onMouseLeave(Metamaps.Mouse.edgeHoveringOver)
|
|
self.onMouseEnter(edge);
|
|
}
|
|
|
|
//could be false
|
|
Metamaps.Mouse.edgeHoveringOver = edge;
|
|
|
|
if (!node && !edge) {
|
|
$('canvas').css('cursor', 'default');
|
|
}
|
|
}, // onMouseMoveHandler
|
|
enterKeyHandler: function () {
|
|
var creatingMap = Metamaps.GlobalUI.lightbox;
|
|
if (creatingMap === "newmap" || creatingMap === "forkmap") {
|
|
Metamaps.GlobalUI.CreateMap.submit();
|
|
}
|
|
// this is to submit new topic creation
|
|
else if (Metamaps.Create.newTopic.beingCreated) {
|
|
Metamaps.Topic.createTopicLocally();
|
|
}
|
|
// to submit new synapse creation
|
|
else if (Metamaps.Create.newSynapse.beingCreated) {
|
|
Metamaps.Synapse.createSynapseLocally();
|
|
}
|
|
}, //enterKeyHandler
|
|
escKeyHandler: function () {
|
|
Metamaps.Control.deselectAllEdges();
|
|
Metamaps.Control.deselectAllNodes();
|
|
}, //escKeyHandler
|
|
touchPanZoomHandler: function (eventInfo, e) {
|
|
if (e.touches.length == 1) {
|
|
var thispos = Metamaps.Touch.touchPos,
|
|
currentPos = eventInfo.getPos(),
|
|
canvas = Metamaps.Visualize.mGraph.canvas,
|
|
ox = canvas.translateOffsetX,
|
|
oy = canvas.translateOffsetY,
|
|
sx = canvas.scaleOffsetX,
|
|
sy = canvas.scaleOffsetY;
|
|
currentPos.x *= sx;
|
|
currentPos.y *= sy;
|
|
currentPos.x += ox;
|
|
currentPos.y += oy;
|
|
//var x = currentPos.x - thispos.x,
|
|
// y = currentPos.y - thispos.y;
|
|
var x = currentPos.x - thispos.x,
|
|
y = currentPos.y - thispos.y;
|
|
Metamaps.Touch.touchPos = currentPos;
|
|
Metamaps.Visualize.mGraph.canvas.translate(x * 1 / sx, y * 1 / sy);
|
|
} else if (e.touches.length == 2) {
|
|
var touch1 = e.touches[0];
|
|
var touch2 = e.touches[1];
|
|
|
|
var dist = Metamaps.Util.getDistance({
|
|
x: touch1.clientX,
|
|
y: touch1.clientY
|
|
}, {
|
|
x: touch2.clientX,
|
|
y: touch2.clientY
|
|
});
|
|
|
|
if (!lastDist) {
|
|
lastDist = dist;
|
|
}
|
|
|
|
var scale = dist / lastDist;
|
|
|
|
if (8 >= Metamaps.Visualize.mGraph.canvas.scaleOffsetX * scale && Metamaps.Visualize.mGraph.canvas.scaleOffsetX * scale >= 1) {
|
|
Metamaps.Visualize.mGraph.canvas.scale(scale, scale);
|
|
}
|
|
if (Metamaps.Visualize.mGraph.canvas.scaleOffsetX < 0.5) {
|
|
Metamaps.Visualize.mGraph.canvas.viz.labels.hideLabels(true);
|
|
} else if (Metamaps.Visualize.mGraph.canvas.scaleOffsetX > 0.5) {
|
|
Metamaps.Visualize.mGraph.canvas.viz.labels.hideLabels(false);
|
|
}
|
|
lastDist = dist;
|
|
}
|
|
|
|
}, // touchPanZoomHandler
|
|
onDragMoveTopicHandler: function (node, eventInfo, e) {
|
|
|
|
var self = Metamaps.JIT;
|
|
|
|
// this is used to send nodes that are moving to
|
|
// other realtime collaborators on the same map
|
|
var positionsToSend = {};
|
|
var topic;
|
|
|
|
var authorized = Metamaps.Active.Map && Metamaps.Active.Map.authorizeToEdit(Metamaps.Active.Mapper);
|
|
|
|
if (node && !node.nodeFrom) {
|
|
var pos = eventInfo.getPos();
|
|
// if it's a left click, or a touch, move the node
|
|
if (e.touches || (e.button == 0 && !e.altKey && !e.ctrlKey && !e.shiftKey && (e.buttons == 0 || e.buttons == 1 || e.buttons == undefined))) {
|
|
//if the node dragged isn't already selected, select it
|
|
var whatToDo = self.handleSelectionBeforeDragging(node, e);
|
|
if (node.pos.rho || node.pos.rho === 0) {
|
|
// this means we're in topic view
|
|
var rho = Math.sqrt(pos.x * pos.x + pos.y * pos.y);
|
|
var theta = Math.atan2(pos.y, pos.x);
|
|
node.pos.setp(theta, rho);
|
|
} else if (whatToDo == 'only-drag-this-one') {
|
|
node.pos.setc(pos.x, pos.y);
|
|
|
|
if (Metamaps.Active.Map) {
|
|
topic = node.getData('topic');
|
|
// we use the topic ID not the node id
|
|
// because we can't depend on the node id
|
|
// to be the same as on other collaborators
|
|
// maps
|
|
positionsToSend[topic.id] = pos;
|
|
$(document).trigger(Metamaps.JIT.events.topicDrag, [positionsToSend]);
|
|
}
|
|
} else {
|
|
var len = Metamaps.Selected.Nodes.length;
|
|
|
|
//first define offset for each node
|
|
var xOffset = new Array();
|
|
var yOffset = new Array();
|
|
for (var i = 0; i < len; i += 1) {
|
|
var n = Metamaps.Selected.Nodes[i];
|
|
xOffset[i] = n.pos.x - node.pos.x;
|
|
yOffset[i] = n.pos.y - node.pos.y;
|
|
} //for
|
|
|
|
for (var i = 0; i < len; i += 1) {
|
|
var n = Metamaps.Selected.Nodes[i];
|
|
var x = pos.x + xOffset[i];
|
|
var y = pos.y + yOffset[i];
|
|
n.pos.setc(x, y);
|
|
|
|
if (Metamaps.Active.Map) {
|
|
topic = n.getData('topic');
|
|
// we use the topic ID not the node id
|
|
// because we can't depend on the node id
|
|
// to be the same as on other collaborators
|
|
// maps
|
|
positionsToSend[topic.id] = n.pos;
|
|
}
|
|
} //for
|
|
|
|
if (Metamaps.Active.Map) {
|
|
$(document).trigger(Metamaps.JIT.events.topicDrag, [positionsToSend]);
|
|
}
|
|
} //if
|
|
|
|
if (whatToDo == 'deselect') {
|
|
Metamaps.Control.deselectNode(node);
|
|
}
|
|
Metamaps.Visualize.mGraph.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) && authorized) {
|
|
if (tempInit == false) {
|
|
tempNode = node;
|
|
tempInit = true;
|
|
|
|
Metamaps.Create.newTopic.hide();
|
|
Metamaps.Create.newSynapse.hide();
|
|
// set the draw synapse start positions
|
|
var l = Metamaps.Selected.Nodes.length;
|
|
if (l > 0) {
|
|
for (var i = l - 1; i >= 0; i -= 1) {
|
|
var n = Metamaps.Selected.Nodes[i];
|
|
Metamaps.Mouse.synapseStartCoordinates.push({
|
|
x: n.pos.getc().x,
|
|
y: n.pos.getc().y
|
|
});
|
|
}
|
|
} else {
|
|
Metamaps.Mouse.synapseStartCoordinates = [{
|
|
x: tempNode.pos.getc().x,
|
|
y: tempNode.pos.getc().y
|
|
}];
|
|
}
|
|
Metamaps.Mouse.synapseEndCoordinates = {
|
|
x: pos.x,
|
|
y: pos.y
|
|
};
|
|
}
|
|
//
|
|
temp = eventInfo.getNode();
|
|
if (temp != false && temp.id != node.id && Metamaps.Selected.Nodes.indexOf(temp) == -1) { // this means a Node has been returned
|
|
tempNode2 = temp;
|
|
|
|
Metamaps.Mouse.synapseEndCoordinates = {
|
|
x: tempNode2.pos.getc().x,
|
|
y: tempNode2.pos.getc().y
|
|
};
|
|
|
|
// before making the highlighted one bigger, make sure all the others are regular size
|
|
Metamaps.Visualize.mGraph.graph.eachNode(function (n) {
|
|
n.setData('dim', 25, 'current');
|
|
});
|
|
temp.setData('dim', 35, 'current');
|
|
Metamaps.Visualize.mGraph.plot();
|
|
} else if (!temp) {
|
|
tempNode2 = null;
|
|
Metamaps.Visualize.mGraph.graph.eachNode(function (n) {
|
|
n.setData('dim', 25, 'current');
|
|
});
|
|
//pop up node creation :)
|
|
var myX = e.clientX - 110;
|
|
var myY = e.clientY - 30;
|
|
$('#new_topic').css('left', myX + "px");
|
|
$('#new_topic').css('top', myY + "px");
|
|
Metamaps.Create.newTopic.x = eventInfo.getPos().x;
|
|
Metamaps.Create.newTopic.y = eventInfo.getPos().y;
|
|
Metamaps.Visualize.mGraph.plot();
|
|
|
|
Metamaps.Mouse.synapseEndCoordinates = {
|
|
x: pos.x,
|
|
y: pos.y
|
|
};
|
|
}
|
|
}
|
|
else if ((e.button == 2 || (e.button == 0 && e.altKey) || e.buttons == 2) && Metamaps.Active.Topic) {
|
|
Metamaps.GlobalUI.notifyUser("Cannot create in Topic view.");
|
|
}
|
|
else if ((e.button == 2 || (e.button == 0 && e.altKey) || e.buttons == 2) && !authorized) {
|
|
Metamaps.GlobalUI.notifyUser("Cannot edit Public map.");
|
|
}
|
|
}
|
|
}, // onDragMoveTopicHandler
|
|
onDragCancelHandler: function (node, eventInfo, e) {
|
|
tempNode = null;
|
|
if (tempNode2) tempNode2.setData('dim', 25, 'current');
|
|
tempNode2 = null;
|
|
tempInit = false;
|
|
// reset the draw synapse positions to false
|
|
Metamaps.Mouse.synapseStartCoordinates = [];
|
|
Metamaps.Mouse.synapseEndCoordinates = null;
|
|
Metamaps.Visualize.mGraph.plot();
|
|
}, // onDragCancelHandler
|
|
onDragEndTopicHandler: function (node, eventInfo, e) {
|
|
var midpoint = {}, pixelPos, mapping;
|
|
|
|
if (tempInit && tempNode2 == null) {
|
|
// this means you want to add a new topic, and then a synapse
|
|
Metamaps.Create.newTopic.addSynapse = true;
|
|
Metamaps.Create.newTopic.open();
|
|
} else if (tempInit && tempNode2 != null) {
|
|
// this means you want to create a synapse between two existing topics
|
|
Metamaps.Create.newTopic.addSynapse = false;
|
|
Metamaps.Create.newSynapse.topic1id = tempNode.getData('topic').id;
|
|
Metamaps.Create.newSynapse.topic2id = tempNode2.getData('topic').id;
|
|
tempNode2.setData('dim', 25, 'current');
|
|
Metamaps.Visualize.mGraph.plot();
|
|
midpoint.x = tempNode.pos.getc().x + (tempNode2.pos.getc().x - tempNode.pos.getc().x) / 2;
|
|
midpoint.y = tempNode.pos.getc().y + (tempNode2.pos.getc().y - tempNode.pos.getc().y) / 2;
|
|
pixelPos = Metamaps.Util.coordsToPixels(midpoint);
|
|
$('#new_synapse').css('left', pixelPos.x + "px");
|
|
$('#new_synapse').css('top', pixelPos.y + "px");
|
|
Metamaps.Create.newSynapse.open();
|
|
tempNode = null;
|
|
tempNode2 = null;
|
|
tempInit = false;
|
|
} else if (!tempInit && node && !node.nodeFrom) {
|
|
// this means you dragged an existing node, autosave that to the database
|
|
|
|
// check whether to save mappings
|
|
var checkWhetherToSave = function() {
|
|
var map = Metamaps.Active.Map;
|
|
|
|
if (!map) return false;
|
|
|
|
var mapper = Metamaps.Active.Mapper;
|
|
// this case
|
|
// covers when it is a public map owned by you
|
|
// and also when it's a private map
|
|
var activeMappersMap = map.authorizePermissionChange(mapper);
|
|
var commonsMap = map.get('permission') === 'commons';
|
|
var realtimeOn = Metamaps.Realtime.status;
|
|
|
|
// don't save if commons map, and you have realtime off,
|
|
// even if you're map creator
|
|
return map && mapper && ((commonsMap && realtimeOn) || (activeMappersMap && !commonsMap));
|
|
}
|
|
|
|
if (checkWhetherToSave()) {
|
|
mapping = node.getData('mapping');
|
|
mapping.save({
|
|
xloc: node.getPos().x,
|
|
yloc: node.getPos().y
|
|
});
|
|
// also save any other selected nodes that also got dragged along
|
|
var l = Metamaps.Selected.Nodes.length;
|
|
for (var i = l - 1; i >= 0; i -= 1) {
|
|
var n = Metamaps.Selected.Nodes[i];
|
|
if (n !== node) {
|
|
mapping = n.getData('mapping');
|
|
mapping.save({
|
|
xloc: n.getPos().x,
|
|
yloc: n.getPos().y
|
|
});
|
|
}
|
|
};
|
|
}
|
|
}
|
|
}, //onDragEndTopicHandler
|
|
canvasClickHandler: function (canvasLoc, e) {
|
|
//grab the location and timestamp of the click
|
|
var storedTime = Metamaps.Mouse.lastCanvasClick;
|
|
var now = Date.now(); //not compatible with IE8 FYI
|
|
Metamaps.Mouse.lastCanvasClick = now;
|
|
|
|
var authorized = Metamaps.Active.Map && Metamaps.Active.Map.authorizeToEdit(Metamaps.Active.Mapper);
|
|
|
|
if (now - storedTime < Metamaps.Mouse.DOUBLE_CLICK_TOLERANCE && !Metamaps.Mouse.didPan) {
|
|
if (Metamaps.Active.Map && !authorized) {
|
|
Metamaps.GlobalUI.notifyUser("Cannot edit Public map.");
|
|
return;
|
|
}
|
|
else if (Metamaps.Active.Topic) {
|
|
Metamaps.GlobalUI.notifyUser("Cannot create in Topic view.");
|
|
return;
|
|
}
|
|
// DOUBLE CLICK
|
|
//pop up node creation :)
|
|
Metamaps.Create.newTopic.addSynapse = false;
|
|
Metamaps.Create.newTopic.x = canvasLoc.x;
|
|
Metamaps.Create.newTopic.y = canvasLoc.y;
|
|
$('#new_topic').css('left', e.clientX + "px");
|
|
$('#new_topic').css('top', e.clientY + "px");
|
|
Metamaps.Create.newTopic.open();
|
|
} else if (!Metamaps.Mouse.didPan) {
|
|
// SINGLE CLICK, no pan
|
|
Metamaps.Filter.close();
|
|
Metamaps.TopicCard.hideCard();
|
|
Metamaps.SynapseCard.hideCard();
|
|
Metamaps.Create.newTopic.hide();
|
|
Metamaps.Create.newSynapse.hide();
|
|
$('.rightclickmenu').remove();
|
|
// reset the draw synapse positions to false
|
|
Metamaps.Mouse.synapseStartCoordinates = [];
|
|
Metamaps.Mouse.synapseEndCoordinates = null;
|
|
tempInit = false;
|
|
tempNode = null;
|
|
tempNode2 = null;
|
|
if (!e.ctrlKey && !e.shiftKey) {
|
|
Metamaps.Control.deselectAllEdges();
|
|
Metamaps.Control.deselectAllNodes();
|
|
}
|
|
}
|
|
}, //canvasClickHandler
|
|
nodeDoubleClickHandler: function (node, e) {
|
|
|
|
Metamaps.TopicCard.showCard(node);
|
|
|
|
}, // nodeDoubleClickHandler
|
|
edgeDoubleClickHandler: function (adj, e) {
|
|
|
|
Metamaps.SynapseCard.showCard(adj, e);
|
|
|
|
}, // nodeDoubleClickHandler
|
|
nodeWasDoubleClicked: function () {
|
|
//grab the timestamp of the click
|
|
var storedTime = Metamaps.Mouse.lastNodeClick;
|
|
var now = Date.now(); //not compatible with IE8 FYI
|
|
Metamaps.Mouse.lastNodeClick = now;
|
|
|
|
if (now - storedTime < Metamaps.Mouse.DOUBLE_CLICK_TOLERANCE) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}, //nodeWasDoubleClicked;
|
|
handleSelectionBeforeDragging: function (node, e) {
|
|
// four cases:
|
|
// 1 nothing is selected, so pretend you aren't selecting
|
|
// 2 others are selected only and shift, so additionally select this one
|
|
// 3 others are selected only, no shift: drag only this one
|
|
// 4 this node and others were selected, so drag them (just return false)
|
|
//return value: deselect node again after?
|
|
if (Metamaps.Selected.Nodes.length == 0) {
|
|
return 'only-drag-this-one';
|
|
}
|
|
if (Metamaps.Selected.Nodes.indexOf(node) == -1) {
|
|
if (e.shiftKey) {
|
|
Metamaps.Control.selectNode(node,e);
|
|
return 'nothing';
|
|
} else {
|
|
return 'only-drag-this-one';
|
|
}
|
|
}
|
|
return 'nothing'; //case 4?
|
|
}, // handleSelectionBeforeDragging
|
|
selectWithBox: function (e) {
|
|
|
|
var sX = Metamaps.Mouse.boxStartCoordinates.x,
|
|
sY = Metamaps.Mouse.boxStartCoordinates.y,
|
|
eX = Metamaps.Mouse.boxEndCoordinates.x,
|
|
eY = Metamaps.Mouse.boxEndCoordinates.y;
|
|
|
|
if(!e.shiftKey){
|
|
Metamaps.Control.deselectAllNodes();
|
|
Metamaps.Control.deselectAllEdges();
|
|
}
|
|
|
|
//select all nodes that are within the box
|
|
Metamaps.Visualize.mGraph.graph.eachNode(function (n) {
|
|
var x = n.pos.x,
|
|
y = n.pos.y;
|
|
|
|
if ((sX < x && x < eX && sY < y && y < eY) || (sX > x && x > eX && sY > y && y > eY) || (sX > x && x > eX && sY < y && y < eY) || (sX < x && x < eX && sY > y && y > eY)) {
|
|
if(e.shiftKey){
|
|
if(n.selected){
|
|
Metamaps.Control.deselectNode(n);
|
|
}
|
|
else{
|
|
Metamaps.Control.selectNode(n,e);
|
|
}
|
|
}
|
|
else{
|
|
Metamaps.Control.selectNode(n,e);
|
|
}
|
|
}
|
|
});
|
|
|
|
//Convert selection box coordinates to traditional coordinates (+,+) in upper right
|
|
sY = -1 * sY;
|
|
eY = -1 * eY
|
|
|
|
var edgesToToggle = [];
|
|
Metamaps.Synapses.each(function(synapse) {
|
|
var e = synapse.get('edge');
|
|
if (edgesToToggle.indexOf(e) === -1) {
|
|
edgesToToggle.push(e);
|
|
}
|
|
});
|
|
edgesToToggle.forEach(function(edge) {
|
|
var fromNodeX = edge.nodeFrom.pos.x;
|
|
var fromNodeY = -1 * edge.nodeFrom.pos.y;
|
|
var toNodeX = edge.nodeTo.pos.x;
|
|
var toNodeY = -1 * edge.nodeTo.pos.y;
|
|
|
|
var maxX = fromNodeX;
|
|
var maxY = fromNodeY;
|
|
var minX = fromNodeX;
|
|
var minY = fromNodeY;
|
|
|
|
//Correct maxX, MaxY values
|
|
(toNodeX > maxX) ? (maxX = toNodeX):(minX = toNodeX);
|
|
(toNodeY > maxY) ? (maxY = toNodeY):(minY = toNodeY);
|
|
|
|
var maxBoxX = sX;
|
|
var maxBoxY = sY;
|
|
var minBoxX = sX;
|
|
var minBoxY = sY;
|
|
|
|
//Correct maxBoxX, maxBoxY values
|
|
(eX > maxBoxX) ? (maxBoxX = eX):(minBoxX = eX);
|
|
(eY > maxBoxY) ? (maxBoxY = eY):(minBoxY = eY);
|
|
|
|
//Find the slopes from the synapse fromNode to the 4 corners of the selection box
|
|
var slopes = [];
|
|
slopes.push( (sY - fromNodeY) / (sX - fromNodeX) );
|
|
slopes.push( (sY - fromNodeY) / (eX - fromNodeX) );
|
|
slopes.push( (eY - fromNodeY) / (eX - fromNodeX) );
|
|
slopes.push( (eY - fromNodeY) / (sX - fromNodeX) );
|
|
|
|
var minSlope = slopes[0];
|
|
var maxSlope = slopes[0];
|
|
slopes.forEach(function(entry){
|
|
if(entry > maxSlope) maxSlope = entry;
|
|
if(entry < minSlope) minSlope = entry;
|
|
});
|
|
|
|
//Find synapse-in-question's slope
|
|
var synSlope = (toNodeY - fromNodeY) / (toNodeX - fromNodeX);
|
|
var b = fromNodeY - synSlope * fromNodeX;
|
|
|
|
//Use the selection box edges as test cases for synapse intersection
|
|
var testX = sX;
|
|
var testY = synSlope * testX + b;
|
|
|
|
var selectTest;
|
|
|
|
if(testX >= minX && testX <= maxX && testY >= minY && testY <= maxY && testY >= minBoxY && testY <= maxBoxY){
|
|
selectTest = true;
|
|
}
|
|
|
|
testX = eX;
|
|
testY = synSlope * testX + b;
|
|
|
|
if(testX >= minX && testX <= maxX && testY >= minY && testY <= maxY && testY >= minBoxY && testY <= maxBoxY){
|
|
selectTest = true;
|
|
}
|
|
|
|
testY = sY;
|
|
testX = (testY - b)/synSlope;
|
|
|
|
if(testX >= minX && testX <= maxX && testY >= minY && testY <= maxY && testX >= minBoxX && testX <= maxBoxX){
|
|
selectTest = true;
|
|
}
|
|
|
|
testY = eY;
|
|
testX = (testY - b)/synSlope;
|
|
|
|
if(testX >= minX && testX <= maxX && testY >= minY && testY <= maxY && testX >= minBoxX && testX <= maxBoxX){
|
|
selectTest = true;
|
|
}
|
|
|
|
//Case where the synapse is wholly enclosed in the seldction box
|
|
if(fromNodeX >= minBoxX && fromNodeX <= maxBoxX && fromNodeY >= minBoxY && fromNodeY <= maxBoxY && toNodeX >= minBoxX && toNodeX <= maxBoxX && toNodeY >= minBoxY && toNodeY <= maxBoxY){
|
|
selectTest = true;
|
|
}
|
|
|
|
//The test synapse was selected!
|
|
|
|
if(selectTest){
|
|
// shiftKey = toggleSelect, otherwise
|
|
if(e.shiftKey){
|
|
if(Metamaps.Selected.Edges.indexOf(edge) != -1 ){
|
|
Metamaps.Control.deselectEdge(edge);
|
|
}
|
|
else{
|
|
Metamaps.Control.selectEdge(edge);
|
|
}
|
|
}
|
|
else{
|
|
Metamaps.Control.selectEdge(edge);
|
|
}
|
|
}
|
|
});
|
|
Metamaps.Mouse.boxStartCoordinates = false;
|
|
Metamaps.Mouse.boxEndCoordinates = false;
|
|
Metamaps.Visualize.mGraph.plot();
|
|
}, // selectWithBox
|
|
drawSelectBox: function (eventInfo, e) {
|
|
var ctx = Metamaps.Visualize.mGraph.canvas.getCtx();
|
|
|
|
var startX = Metamaps.Mouse.boxStartCoordinates.x,
|
|
startY = Metamaps.Mouse.boxStartCoordinates.y,
|
|
currX = eventInfo.getPos().x,
|
|
currY = eventInfo.getPos().y;
|
|
|
|
Metamaps.Visualize.mGraph.canvas.clear();
|
|
Metamaps.Visualize.mGraph.plot();
|
|
|
|
ctx.beginPath();
|
|
ctx.moveTo(startX, startY);
|
|
ctx.lineTo(startX, currY);
|
|
ctx.lineTo(currX, currY);
|
|
ctx.lineTo(currX, startY);
|
|
ctx.lineTo(startX, startY);
|
|
ctx.strokeStyle = "black";
|
|
ctx.stroke();
|
|
}, // drawSelectBox
|
|
selectNodeOnClickHandler: function (node, e) {
|
|
if (Metamaps.Visualize.mGraph.busy) return;
|
|
|
|
var self = Metamaps.JIT;
|
|
|
|
// catch right click on mac, which is often like ctrl+click
|
|
if (navigator.platform.indexOf("Mac") != -1 && e.ctrlKey) {
|
|
self.selectNodeOnRightClickHandler(node, e)
|
|
return;
|
|
}
|
|
|
|
// if on a topic page, let alt+click center you on a new topic
|
|
if (Metamaps.Active.Topic && e.altKey) {
|
|
Metamaps.RGraph.centerOn(node.id);
|
|
return;
|
|
}
|
|
|
|
var check = self.nodeWasDoubleClicked();
|
|
if (check) {
|
|
self.nodeDoubleClickHandler(node, e);
|
|
return;
|
|
} else {
|
|
// wait a certain length of time, then check again, then run this code
|
|
setTimeout(function () {
|
|
if (!Metamaps.JIT.nodeWasDoubleClicked()) {
|
|
|
|
var nodeAlreadySelected = node.selected;
|
|
|
|
if (!e.shiftKey) {
|
|
Metamaps.Control.deselectAllNodes();
|
|
Metamaps.Control.deselectAllEdges();
|
|
}
|
|
|
|
if (nodeAlreadySelected) {
|
|
Metamaps.Control.deselectNode(node);
|
|
} else {
|
|
Metamaps.Control.selectNode(node,e);
|
|
}
|
|
|
|
//trigger animation to final styles
|
|
Metamaps.Visualize.mGraph.fx.animate({
|
|
modes: ['edge-property:lineWidth:color:alpha'],
|
|
duration: 500
|
|
});
|
|
Metamaps.Visualize.mGraph.plot();
|
|
}
|
|
}, Metamaps.Mouse.DOUBLE_CLICK_TOLERANCE);
|
|
}
|
|
}, //selectNodeOnClickHandler
|
|
selectNodeOnRightClickHandler: function (node, e) {
|
|
// the 'node' variable is a JIT node, the one that was clicked on
|
|
// the 'e' variable is the click event
|
|
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
|
|
if (Metamaps.Visualize.mGraph.busy) return;
|
|
|
|
// select the node
|
|
Metamaps.Control.selectNode(node, e);
|
|
|
|
// delete old right click menu
|
|
$('.rightclickmenu').remove();
|
|
// create new menu for clicked on node
|
|
var rightclickmenu = document.createElement("div");
|
|
rightclickmenu.className = "rightclickmenu";
|
|
// add the proper options to the menu
|
|
var menustring = '<ul>';
|
|
|
|
var authorized = Metamaps.Active.Map && Metamaps.Active.Map.authorizeToEdit(Metamaps.Active.Mapper);
|
|
|
|
var disabled = authorized ? "" : "disabled";
|
|
|
|
if (Metamaps.Active.Map) menustring += '<li class="rc-hide"><div class="rc-icon"></div>Hide until refresh<div class="rc-keyboard">Ctrl+H</div></li>';
|
|
if (Metamaps.Active.Map && Metamaps.Active.Mapper) menustring += '<li class="rc-remove ' + disabled + '"><div class="rc-icon"></div>Remove from map<div class="rc-keyboard">Ctrl+M</div></li>';
|
|
if (Metamaps.Active.Map && Metamaps.Active.Mapper) menustring += '<li class="rc-delete ' + disabled + '"><div class="rc-icon"></div>Delete<div class="rc-keyboard">Ctrl+D</div></li>';
|
|
|
|
|
|
if (Metamaps.Active.Topic) {
|
|
menustring += '<li class="rc-center"><div class="rc-icon"></div>Center this topic</li>';
|
|
}
|
|
menustring += '<li class="rc-popout"><div class="rc-icon"></div>Open in new tab</li>';
|
|
if (Metamaps.Active.Mapper) {
|
|
var options = '<ul><li class="changeP toCommons"><div class="rc-perm-icon"></div>commons</li> \
|
|
<li class="changeP toPublic"><div class="rc-perm-icon"></div>public</li> \
|
|
<li class="changeP toPrivate"><div class="rc-perm-icon"></div>private</li> \
|
|
</ul>';
|
|
|
|
menustring += '<li class="rc-spacer"></li>';
|
|
|
|
menustring += '<li class="rc-permission"><div class="rc-icon"></div>Change permissions' + options + '<div class="expandLi"></div></li>';
|
|
|
|
var metacodeOptions = $('#metacodeOptions').html();
|
|
|
|
menustring += '<li class="rc-metacode"><div class="rc-icon"></div>Change metacode' + metacodeOptions + '<div class="expandLi"></div></li>';
|
|
}
|
|
if (Metamaps.Active.Topic) {
|
|
|
|
if (!Metamaps.Active.Mapper) {
|
|
menustring += '<li class="rc-spacer"></li>';
|
|
}
|
|
|
|
// set up the get sibling menu as a "lazy load"
|
|
// only fill in the submenu when they hover over the get siblings list item
|
|
var siblingMenu = '<ul id="fetchSiblingList"> \
|
|
<li class="fetchAll">All</li> \
|
|
<li id="loadingSiblings"></li> \
|
|
</ul>';
|
|
menustring += '<li class="rc-siblings"><div class="rc-icon"></div>Get siblings' + siblingMenu + '<div class="expandLi"></div></li>';
|
|
}
|
|
|
|
menustring += '</ul>';
|
|
rightclickmenu.innerHTML = menustring;
|
|
|
|
// position the menu where the click happened
|
|
var position = {};
|
|
var RIGHTCLICK_WIDTH = 300;
|
|
var RIGHTCLICK_HEIGHT = 144; // this does vary somewhat, but we can use static
|
|
var SUBMENUS_WIDTH = 256;
|
|
var MAX_SUBMENU_HEIGHT = 270;
|
|
var windowWidth = $(window).width();
|
|
var windowHeight = $(window).height();
|
|
|
|
if (windowWidth - e.clientX < SUBMENUS_WIDTH) {
|
|
position.right = windowWidth - e.clientX;
|
|
$(rightclickmenu).addClass('moveMenusToLeft');
|
|
}
|
|
else if (windowWidth - e.clientX < RIGHTCLICK_WIDTH) {
|
|
position.right = windowWidth - e.clientX;
|
|
}
|
|
else if (windowWidth - e.clientX < RIGHTCLICK_WIDTH + SUBMENUS_WIDTH) {
|
|
position.left = e.clientX;
|
|
$(rightclickmenu).addClass('moveMenusToLeft');
|
|
}
|
|
else position.left = e.clientX;
|
|
|
|
if (windowHeight - e.clientY < MAX_SUBMENU_HEIGHT) {
|
|
position.bottom = windowHeight - e.clientY;
|
|
$(rightclickmenu).addClass('moveMenusUp');
|
|
}
|
|
else if (windowHeight - e.clientY < RIGHTCLICK_HEIGHT + MAX_SUBMENU_HEIGHT) {
|
|
position.top = e.clientY;
|
|
$(rightclickmenu).addClass('moveMenusUp');
|
|
}
|
|
else position.top = e.clientY;
|
|
|
|
$(rightclickmenu).css(position);
|
|
//add the menu to the page
|
|
$('#wrapper').append(rightclickmenu);
|
|
|
|
// attach events to clicks on the list items
|
|
|
|
// delete the selected things from the database
|
|
if (authorized) {
|
|
$('.rc-delete').click(function () {
|
|
$('.rightclickmenu').remove();
|
|
Metamaps.Control.deleteSelected();
|
|
});
|
|
}
|
|
|
|
// remove the selected things from the map
|
|
if (authorized) {
|
|
$('.rc-remove').click(function () {
|
|
$('.rightclickmenu').remove();
|
|
Metamaps.Control.removeSelectedEdges();
|
|
Metamaps.Control.removeSelectedNodes();
|
|
});
|
|
}
|
|
|
|
// hide selected nodes and synapses until refresh
|
|
$('.rc-hide').click(function () {
|
|
$('.rightclickmenu').remove();
|
|
Metamaps.Control.hideSelectedEdges();
|
|
Metamaps.Control.hideSelectedNodes();
|
|
});
|
|
|
|
// when in radial, center on the topic you picked
|
|
$('.rc-center').click(function () {
|
|
$('.rightclickmenu').remove();
|
|
Metamaps.Topic.centerOn(node.id);
|
|
});
|
|
|
|
// open the entity in a new tab
|
|
$('.rc-popout').click(function () {
|
|
$('.rightclickmenu').remove();
|
|
var win = window.open('/topics/' + node.id, '_blank');
|
|
win.focus();
|
|
});
|
|
|
|
// change the permission of all the selected nodes and synapses that you were the originator of
|
|
$('.rc-permission li').click(function () {
|
|
$('.rightclickmenu').remove();
|
|
// $(this).text() will be 'commons' 'public' or 'private'
|
|
Metamaps.Control.updateSelectedPermissions($(this).text());
|
|
});
|
|
|
|
// change the metacode of all the selected nodes that you have edit permission for
|
|
$('.rc-metacode li li').click(function () {
|
|
$('.rightclickmenu').remove();
|
|
//
|
|
Metamaps.Control.updateSelectedMetacodes($(this).attr('data-id'));
|
|
});
|
|
|
|
|
|
// fetch relatives
|
|
var fetched = false;
|
|
$('.rc-siblings').hover(function () {
|
|
if (!fetched) {
|
|
Metamaps.JIT.populateRightClickSiblings(node);
|
|
fetched = true;
|
|
}
|
|
});
|
|
$('.rc-siblings .fetchAll').click(function () {
|
|
$('.rightclickmenu').remove();
|
|
// data-id is a metacode id
|
|
Metamaps.Topic.fetchRelatives(node);
|
|
});
|
|
}, //selectNodeOnRightClickHandler,
|
|
populateRightClickSiblings: function(node) {
|
|
var self = Metamaps.JIT;
|
|
|
|
// depending on how many topics are selected, do different things
|
|
/*if (Metamaps.Selected.Nodes.length > 1) {
|
|
// we don't bother filling the submenu with
|
|
// specific numbers, because there are too many topics
|
|
// selected to find those numbers
|
|
$('#loadingSiblings').remove();
|
|
return;
|
|
}*/
|
|
|
|
var topic = node.getData('topic');
|
|
|
|
// add a loading icon for now
|
|
var loader = new CanvasLoader('loadingSiblings');
|
|
loader.setColor('#4FC059'); // default is '#000000'
|
|
loader.setDiameter(15); // default is 40
|
|
loader.setDensity(41); // default is 40
|
|
loader.setRange(0.9); // default is 1.3
|
|
loader.show(); // Hidden by default
|
|
|
|
var topics = Metamaps.Topics.map(function(t){ return t.id });
|
|
var topics_string = topics.join();
|
|
|
|
var successCallback = function(data) {
|
|
$('#loadingSiblings').remove();
|
|
|
|
for (var key in data) {
|
|
var string = Metamaps.Metacodes.get(key).get('name') + ' (' + data[key] + ')';
|
|
$('#fetchSiblingList').append('<li class="getSiblings" data-id="' + key + '">' + string + '</li>');
|
|
}
|
|
|
|
$('.rc-siblings .getSiblings').click(function () {
|
|
$('.rightclickmenu').remove();
|
|
// data-id is a metacode id
|
|
Metamaps.Topic.fetchRelatives(node, $(this).attr('data-id'));
|
|
});
|
|
};
|
|
|
|
$.ajax({
|
|
type: "Get",
|
|
url: "/topics/" + topic.id + "/relative_numbers.json?network=" + topics_string,
|
|
success: successCallback,
|
|
error: function () {
|
|
|
|
}
|
|
});
|
|
},
|
|
selectEdgeOnClickHandler: function (adj, e) {
|
|
if (Metamaps.Visualize.mGraph.busy) return;
|
|
|
|
var self = Metamaps.JIT;
|
|
|
|
// catch right click on mac, which is often like ctrl+click
|
|
if (navigator.platform.indexOf("Mac") != -1 && e.ctrlKey) {
|
|
self.selectEdgeOnRightClickHandler(adj, e)
|
|
return;
|
|
}
|
|
|
|
var check = self.nodeWasDoubleClicked();
|
|
if (check) {
|
|
self.edgeDoubleClickHandler(adj, e);
|
|
return;
|
|
} else {
|
|
// wait a certain length of time, then check again, then run this code
|
|
setTimeout(function () {
|
|
if (!Metamaps.JIT.nodeWasDoubleClicked()) {
|
|
|
|
var edgeAlreadySelected = Metamaps.Selected.Edges.indexOf(adj) !== -1;
|
|
|
|
if (!e.shiftKey) {
|
|
Metamaps.Control.deselectAllNodes();
|
|
Metamaps.Control.deselectAllEdges();
|
|
}
|
|
|
|
if (edgeAlreadySelected) {
|
|
Metamaps.Control.deselectEdge(adj);
|
|
} else {
|
|
Metamaps.Control.selectEdge(adj);
|
|
}
|
|
|
|
Metamaps.Visualize.mGraph.plot();
|
|
}
|
|
}, Metamaps.Mouse.DOUBLE_CLICK_TOLERANCE);
|
|
}
|
|
}, //selectEdgeOnClickHandler
|
|
selectEdgeOnRightClickHandler: function (adj, e) {
|
|
// the 'node' variable is a JIT node, the one that was clicked on
|
|
// the 'e' variable is the click event
|
|
|
|
if (adj.getData('alpha') === 0) return; // don't do anything if the edge is filtered
|
|
|
|
var authorized;
|
|
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
|
|
if (Metamaps.Visualize.mGraph.busy) return;
|
|
|
|
Metamaps.Control.selectEdge(adj);
|
|
|
|
// delete old right click menu
|
|
$('.rightclickmenu').remove();
|
|
// create new menu for clicked on node
|
|
var rightclickmenu = document.createElement("div");
|
|
rightclickmenu.className = "rightclickmenu";
|
|
|
|
// add the proper options to the menu
|
|
var menustring = '<ul>';
|
|
|
|
var authorized = Metamaps.Active.Map && Metamaps.Active.Map.authorizeToEdit(Metamaps.Active.Mapper);
|
|
|
|
var disabled = authorized ? "" : "disabled";
|
|
|
|
if (Metamaps.Active.Map) menustring += '<li class="rc-hide"><div class="rc-icon"></div>Hide until refresh<div class="rc-keyboard">Ctrl+H</div></li>';
|
|
if (Metamaps.Active.Map && Metamaps.Active.Mapper) menustring += '<li class="rc-remove ' + disabled + '"><div class="rc-icon"></div>Remove from map<div class="rc-keyboard">Ctrl+M</div></li>';
|
|
if (Metamaps.Active.Map && Metamaps.Active.Mapper) menustring += '<li class="rc-delete ' + disabled + '"><div class="rc-icon"></div>Delete<div class="rc-keyboard">Ctrl+D</div></li>';
|
|
|
|
if (Metamaps.Active.Map && Metamaps.Active.Mapper) menustring += '<li class="rc-spacer"></li>';
|
|
|
|
if (Metamaps.Active.Mapper) {
|
|
var permOptions = '<ul><li class="changeP toCommons"><div class="rc-perm-icon"></div>commons</li> \
|
|
<li class="changeP toPublic"><div class="rc-perm-icon"></div>public</li> \
|
|
<li class="changeP toPrivate"><div class="rc-perm-icon"></div>private</li> \
|
|
</ul>';
|
|
|
|
menustring += '<li class="rc-permission"><div class="rc-icon"></div>Change permissions' + permOptions + '<div class="expandLi"></div></li>';
|
|
}
|
|
|
|
menustring += '</ul>';
|
|
rightclickmenu.innerHTML = menustring;
|
|
|
|
// position the menu where the click happened
|
|
var position = {};
|
|
var RIGHTCLICK_WIDTH = 300;
|
|
var RIGHTCLICK_HEIGHT = 144; // this does vary somewhat, but we can use static
|
|
var SUBMENUS_WIDTH = 256;
|
|
var MAX_SUBMENU_HEIGHT = 270;
|
|
var windowWidth = $(window).width();
|
|
var windowHeight = $(window).height();
|
|
|
|
if (windowWidth - e.clientX < SUBMENUS_WIDTH) {
|
|
position.right = windowWidth - e.clientX;
|
|
$(rightclickmenu).addClass('moveMenusToLeft');
|
|
}
|
|
else if (windowWidth - e.clientX < RIGHTCLICK_WIDTH) {
|
|
position.right = windowWidth - e.clientX;
|
|
}
|
|
else position.left = e.clientX;
|
|
|
|
if (windowHeight - e.clientY < MAX_SUBMENU_HEIGHT) {
|
|
position.bottom = windowHeight - e.clientY;
|
|
$(rightclickmenu).addClass('moveMenusUp');
|
|
}
|
|
else if (windowHeight - e.clientY < RIGHTCLICK_HEIGHT + MAX_SUBMENU_HEIGHT) {
|
|
position.top = e.clientY;
|
|
$(rightclickmenu).addClass('moveMenusUp');
|
|
}
|
|
else position.top = e.clientY;
|
|
|
|
$(rightclickmenu).css(position);
|
|
|
|
//add the menu to the page
|
|
$('#wrapper').append(rightclickmenu);
|
|
|
|
|
|
// attach events to clicks on the list items
|
|
|
|
// delete the selected things from the database
|
|
if (authorized) {
|
|
$('.rc-delete').click(function () {
|
|
$('.rightclickmenu').remove();
|
|
Metamaps.Control.deleteSelected();
|
|
});
|
|
}
|
|
|
|
// remove the selected things from the map
|
|
if (authorized) {
|
|
$('.rc-remove').click(function () {
|
|
$('.rightclickmenu').remove();
|
|
Metamaps.Control.removeSelectedEdges();
|
|
Metamaps.Control.removeSelectedNodes();
|
|
});
|
|
}
|
|
|
|
// hide selected nodes and synapses until refresh
|
|
$('.rc-hide').click(function () {
|
|
$('.rightclickmenu').remove();
|
|
Metamaps.Control.hideSelectedEdges();
|
|
Metamaps.Control.hideSelectedNodes();
|
|
});
|
|
|
|
// change the permission of all the selected nodes and synapses that you were the originator of
|
|
$('.rc-permission li').click(function () {
|
|
$('.rightclickmenu').remove();
|
|
// $(this).text() will be 'commons' 'public' or 'private'
|
|
Metamaps.Control.updateSelectedPermissions($(this).text());
|
|
});
|
|
|
|
}, //selectEdgeOnRightClickHandler
|
|
SmoothPanning: function () {
|
|
|
|
var sx = Metamaps.Visualize.mGraph.canvas.scaleOffsetX,
|
|
sy = Metamaps.Visualize.mGraph.canvas.scaleOffsetY,
|
|
y_velocity = Metamaps.Mouse.changeInY, // initial y velocity
|
|
x_velocity = Metamaps.Mouse.changeInX, // initial x velocity
|
|
easing = 1; // frictional value
|
|
|
|
easing = 1;
|
|
window.clearInterval(panningInt)
|
|
panningInt = setInterval(function () {
|
|
myTimer()
|
|
}, 1);
|
|
|
|
function myTimer() {
|
|
Metamaps.Visualize.mGraph.canvas.translate(x_velocity * easing * 1 / sx, y_velocity * easing * 1 / sy);
|
|
$(document).trigger(Metamaps.JIT.events.pan);
|
|
easing = easing * 0.75;
|
|
|
|
if (easing < 0.1) window.clearInterval(panningInt);
|
|
}
|
|
}, // SmoothPanning
|
|
renderMidArrow: function (from, to, dim, swap, canvas, placement, newSynapse) {
|
|
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 newX = (to.x - from.x) * placement + from.x;
|
|
var newY = (to.y - from.y) * placement + from.y;
|
|
var midPoint = new $jit.Complex(newX, newY);
|
|
|
|
// move midpoint by half the "length" of the arrow so the arrow is centered on the midpoint
|
|
var arrowPoint = new $jit.Complex((vect.x / 0.7) + midPoint.x, (vect.y / 0.7) + midPoint.y);
|
|
// compute the tail intersection point with the edge line
|
|
var intermediatePoint = new $jit.Complex(arrowPoint.x - vect.x, arrowPoint.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));
|
|
|
|
if (newSynapse) {
|
|
ctx.strokeStyle = "#4fc059";
|
|
ctx.lineWidth = 2;
|
|
ctx.globalAlpha = 1;
|
|
}
|
|
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(arrowPoint.x, arrowPoint.y);
|
|
ctx.lineTo(v2.x, v2.y);
|
|
ctx.stroke();
|
|
}, // renderMidArrow
|
|
renderEdgeArrows: function (edgeHelper, adj, synapse, canvas) {
|
|
|
|
var self = Metamaps.JIT;
|
|
|
|
var directionCat = synapse.get('category');
|
|
var direction = synapse.getDirection();
|
|
|
|
var pos = adj.nodeFrom.pos.getc(true);
|
|
var posChild = adj.nodeTo.pos.getc(true);
|
|
|
|
//plot arrow edge
|
|
if (directionCat == "none") {
|
|
edgeHelper.line.render({
|
|
x: pos.x,
|
|
y: pos.y
|
|
}, {
|
|
x: posChild.x,
|
|
y: posChild.y
|
|
}, canvas);
|
|
} else if (directionCat == "both") {
|
|
self.renderMidArrow({
|
|
x: pos.x,
|
|
y: pos.y
|
|
}, {
|
|
x: posChild.x,
|
|
y: posChild.y
|
|
}, 13, true, canvas, 0.7);
|
|
self.renderMidArrow({
|
|
x: pos.x,
|
|
y: pos.y
|
|
}, {
|
|
x: posChild.x,
|
|
y: posChild.y
|
|
}, 13, false, canvas, 0.7);
|
|
} else if (directionCat == "from-to") {
|
|
var inv = (direction[0] != adj.nodeFrom.id);
|
|
self.renderMidArrow({
|
|
x: pos.x,
|
|
y: pos.y
|
|
}, {
|
|
x: posChild.x,
|
|
y: posChild.y
|
|
}, 13, inv, canvas, 0.7);
|
|
self.renderMidArrow({
|
|
x: pos.x,
|
|
y: pos.y
|
|
}, {
|
|
x: posChild.x,
|
|
y: posChild.y
|
|
}, 13, inv, canvas, 0.3);
|
|
}
|
|
}, //renderEdgeArrows
|
|
zoomIn: function (event) {
|
|
Metamaps.Visualize.mGraph.canvas.scale(1.25,1.25);
|
|
$(document).trigger(Metamaps.JIT.events.zoom, [event]);
|
|
},
|
|
zoomOut: function (event) {
|
|
Metamaps.Visualize.mGraph.canvas.scale(0.8,0.8);
|
|
$(document).trigger(Metamaps.JIT.events.zoom, [event]);
|
|
},
|
|
centerMap: function (canvas) {
|
|
var offsetScale = canvas.scaleOffsetX;
|
|
|
|
canvas.scale(1/offsetScale,1/offsetScale);
|
|
|
|
var offsetX = canvas.translateOffsetX;
|
|
var offsetY = canvas.translateOffsetY;
|
|
|
|
canvas.translate(-1*offsetX,-1*offsetY);
|
|
},
|
|
zoomToBox: function (event) {
|
|
var sX = Metamaps.Mouse.boxStartCoordinates.x,
|
|
sY = Metamaps.Mouse.boxStartCoordinates.y,
|
|
eX = Metamaps.Mouse.boxEndCoordinates.x,
|
|
eY = Metamaps.Mouse.boxEndCoordinates.y;
|
|
|
|
var canvas = Metamaps.Visualize.mGraph.canvas;
|
|
Metamaps.JIT.centerMap(canvas);
|
|
|
|
var height = $(document).height(),
|
|
width = $(document).width();
|
|
|
|
var spanX = Math.abs(sX - eX);
|
|
var spanY = Math.abs(sY - eY);
|
|
var ratioX = width / spanX;
|
|
var ratioY = height / spanY;
|
|
|
|
var newRatio = Math.min(ratioX,ratioY);
|
|
|
|
if(canvas.scaleOffsetX *newRatio<= 5 && canvas.scaleOffsetX*newRatio >= 0.2){
|
|
canvas.scale(newRatio,newRatio);
|
|
}
|
|
else if(canvas.scaleOffsetX * newRatio > 5){
|
|
newRatio = 5/ canvas.scaleOffsetX;
|
|
canvas.scale(newRatio,newRatio);
|
|
}
|
|
else{
|
|
newRatio = 0.2/ canvas.scaleOffsetX;
|
|
canvas.scale(newRatio,newRatio);
|
|
}
|
|
|
|
var cogX = (sX + eX)/2;
|
|
var cogY = (sY + eY)/2;
|
|
|
|
canvas.translate(-1* cogX, -1* cogY);
|
|
$(document).trigger(Metamaps.JIT.events.zoom, [event]);
|
|
|
|
Metamaps.Mouse.boxStartCoordinates = false;
|
|
Metamaps.Mouse.boxEndCoordinates = false;
|
|
Metamaps.Visualize.mGraph.plot();
|
|
|
|
},
|
|
zoomExtents: function (event, canvas, denySelected) {
|
|
Metamaps.JIT.centerMap(canvas);
|
|
var height = canvas.getSize().height,
|
|
width = canvas.getSize().width,
|
|
maxX, minX, maxY, minY, counter = 0;
|
|
|
|
|
|
if (!denySelected && Metamaps.Selected.Nodes.length > 0) {
|
|
var nodes = Metamaps.Selected.Nodes;
|
|
}
|
|
else {
|
|
var nodes = _.values(Metamaps.Visualize.mGraph.graph.nodes);
|
|
}
|
|
|
|
if(nodes.length > 1){
|
|
nodes.forEach(function (n) {
|
|
var x = n.pos.x,
|
|
y = n.pos.y;
|
|
|
|
if (counter == 0 && n.getData('alpha') == 1){
|
|
maxX = x;
|
|
minX = x;
|
|
maxY = y;
|
|
minY = y;
|
|
}
|
|
|
|
var arrayOfLabelLines = Metamaps.Util.splitLine(n.name, 30).split('\n'),
|
|
dim = n.getData('dim'),
|
|
ctx = canvas.getCtx();
|
|
|
|
var height = 25 * arrayOfLabelLines.length;
|
|
|
|
var index, lineWidths = [];
|
|
for (index = 0; index < arrayOfLabelLines.length; ++index) {
|
|
lineWidths.push(ctx.measureText(arrayOfLabelLines[index]).width)
|
|
}
|
|
var width = Math.max.apply(null, lineWidths) + 8;
|
|
|
|
// only adjust these values if the node is not filtered
|
|
if (n.getData('alpha') == 1) {
|
|
maxX = Math.max(x + width /2,maxX);
|
|
maxY = Math.max(y + n.getData("height") + 5 + height,maxY);
|
|
minX = Math.min(x - width /2,minX);
|
|
minY = Math.min(y - dim,minY);
|
|
|
|
counter++;
|
|
}
|
|
});
|
|
|
|
var spanX = maxX - minX;
|
|
var spanY = maxY - minY;
|
|
var ratioX = spanX / width;
|
|
var ratioY = spanY / height;
|
|
|
|
var cogX = (maxX + minX)/2;
|
|
var cogY = (maxY + minY)/2;
|
|
|
|
canvas.translate(-1* cogX, -1* cogY);
|
|
|
|
var newRatio = Math.max(ratioX,ratioY);
|
|
var scaleMultiplier = 1/newRatio*0.9;
|
|
|
|
if(canvas.scaleOffsetX *scaleMultiplier<= 3 && canvas.scaleOffsetX*scaleMultiplier >= 0.2){
|
|
canvas.scale(scaleMultiplier,scaleMultiplier);
|
|
}
|
|
else if(canvas.scaleOffsetX * scaleMultiplier > 3){
|
|
scaleMultiplier = 3/ canvas.scaleOffsetX;
|
|
canvas.scale(scaleMultiplier,scaleMultiplier);
|
|
}
|
|
else{
|
|
scaleMultiplier = 0.2/ canvas.scaleOffsetX;
|
|
canvas.scale(scaleMultiplier,scaleMultiplier);
|
|
}
|
|
|
|
$(document).trigger(Metamaps.JIT.events.zoom, [event]);
|
|
}
|
|
else if(nodes.length == 1){
|
|
nodes.forEach(function (n) {
|
|
var x = n.pos.x,
|
|
y = n.pos.y;
|
|
|
|
canvas.translate(-1* x, -1* y);
|
|
$(document).trigger(Metamaps.JIT.events.zoom, [event]);
|
|
});
|
|
}
|
|
}
|
|
};
|