├── .gitignore ├── LICENSE ├── README.md ├── examples ├── basic.html └── data │ ├── graph-1.json │ └── graph-2.json ├── package.json └── src └── iframe ├── images ├── favicon-16x16.png ├── favicon-dark-24x24.png ├── favicon.ico └── noise.png ├── pylinkurious.css ├── pylinkurious.html └── pylinkurious.js /.gitignore: -------------------------------------------------------------------------------- 1 | node_modules/* 2 | build/* 3 | *.tgz 4 | *.log 5 | *.swp 6 | .idea/ 7 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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Interpretation of Sections 15 and 16. 613 | 614 | If the disclaimer of warranty and limitation of liability provided 615 | above cannot be given local legal effect according to their terms, 616 | reviewing courts shall apply local law that most closely approximates 617 | an absolute waiver of all civil liability in connection with the 618 | Program, unless a warranty or assumption of liability accompanies a 619 | copy of the Program in return for a fee. 620 | 621 | END OF TERMS AND CONDITIONS 622 | 623 | How to Apply These Terms to Your New Programs 624 | 625 | If you develop a new program, and you want it to be of the greatest 626 | possible use to the public, the best way to achieve this is to make it 627 | free software which everyone can redistribute and change under these terms. 628 | 629 | To do so, attach the following notices to the program. It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | {one line to give the program's name and a brief idea of what it does.} 635 | Copyright (C) {year} {name of author} 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | {project} Copyright (C) {year} {fullname} 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | 676 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # PyLinkurious 2 | [Linkurious.js](https://github.com/Linkurious/linkurious.js) integration with the [Jupyter Notebook](https://jupyter.org/). 3 | 4 | ## Install 5 | 6 | - `git clone git@github.com:Linkurious/PyLinkurious.git` 7 | - Install [Node.js](http://nodejs.org/). 8 | - Use `npm install` to install dependencies. 9 | 10 | ## Demo 11 | 12 | Run `npm start` then open the basic example on your browser at http://localhost:8000/examples/basic.html. 13 | 14 | ### Integrating the Linkurious.js iframe 15 | 16 | Add the following code in the HTML: 17 | 18 | ```html 19 | 26 | ``` 27 | 28 | ### Display your first graph 29 | 30 | ```js 31 | // Function called once the iframe is initialized: 32 | function setUpFrame() { 33 | 34 | // Get Linkurious.js instance: 35 | var LK = window.frames['pylinkurious-iframe'].LK; 36 | 37 | // Update UI components 38 | LK.updateUI(); 39 | 40 | // Load a graph sample: 41 | LK.sigma.graph.read({ 42 | nodes: [ 43 | { id: 'n0', label: 'Node 0', x: 0, y: 0, size: 1 }, 44 | { id: 'n1', label: 'Node 1', x: 50, y: -10, size: 1 } 45 | ], 46 | edges: [ 47 | { 48 | id: 'e0', 49 | label: 'Edge 0', 50 | source: 'n0', 51 | target: 'n1', 52 | size: 1 53 | } 54 | ] 55 | }); 56 | 57 | // Display the graph: 58 | LK.sigma.refresh(); 59 | LK.plugins.locate.center(); 60 | } 61 | ``` 62 | 63 | ### Browser Support 64 | 65 | All modern web browsers are supported, including: 66 | * Internet Explorer 10+ 67 | * Chrome 23+ and Chromium 68 | * Firefox 15+ 69 | * Safari 6+ 70 | 71 | ## External Dependencies 72 | 73 | - [linkurious.js](https://github.com/Linkurious/linkurious.js) 74 | - [mustache.js](https://github.com/janl/mustache.js) 75 | 76 | Some optional linkurious.js plugins require extra libraries: 77 | 78 | - [js-xlsx](https://github.com/SheetJS/js-xlsx/) 79 | - [dagre](https://github.com/cpettitt/dagre) 80 | 81 | ## Status 82 | 83 | Under development. 84 | 85 | ## License 86 | 87 | PyLinkurious is released under the GNU General Public License v.3 ("GPL"). 88 | -------------------------------------------------------------------------------- /examples/basic.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | Basic example - PyLinkurious 6 | 7 | 8 | 9 | 10 | 11 |

Basic example

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-------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "author": "Linkurious SAS, Kyunghoon Kim", 3 | "name": "PyLinkurious", 4 | "version": "0.1.0", 5 | "private": false, 6 | "engine": "node 0.12.4", 7 | "homepage": "https://github.com/Linkurious/PyLinkurious", 8 | "licenses": { 9 | "type": "GPL-3.0+", 10 | "url": "https://raw.github.com/Linkurious/PyLinkurious/master/LICENSE" 11 | }, 12 | "bugs": "https://github.com/Linkurious/PyLinkurious/issues", 13 | "repository": { 14 | "type": "git", 15 | "url": "git@github.com:Linkurious/PyLinkurious.git" 16 | }, 17 | "dependencies": { 18 | "linkurious": "~1.1.0", 19 | "mustache": "~2.1.3", 20 | "xlsx": "~0.7.12", 21 | "dagre": "~0.7.4" 22 | }, 23 | "devDependencies": { 24 | "http-server": "~0.8.0" 25 | }, 26 | "scripts": { 27 | "start": "http-server -p 8000" 28 | } 29 | } 30 | -------------------------------------------------------------------------------- /src/iframe/images/favicon-16x16.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Linkurious/PyLinkurious/b9533991deed3b9cca60cc44c9847b86087a1669/src/iframe/images/favicon-16x16.png -------------------------------------------------------------------------------- /src/iframe/images/favicon-dark-24x24.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Linkurious/PyLinkurious/b9533991deed3b9cca60cc44c9847b86087a1669/src/iframe/images/favicon-dark-24x24.png -------------------------------------------------------------------------------- /src/iframe/images/favicon.ico: -------------------------------------------------------------------------------- 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164 | 165 | 166 | 167 | 168 | 171 | 172 | 173 | 174 | 175 | 176 | 177 | 178 | 179 | -------------------------------------------------------------------------------- /src/iframe/pylinkurious.js: -------------------------------------------------------------------------------- 1 | /** 2 | * Copyright Linkurious SAS 2012 - 2015 3 | * Created by Sebastien Heymann on 12/08/2015. 4 | */ 5 | 'use strict'; 6 | 7 | var LK = Object.create(null); // namespace 8 | 9 | (function(undefined) { 10 | 11 | if (typeof sigma === 'undefined') 12 | throw 'sigma is not declared'; 13 | 14 | var sigmaInstance, 15 | activeStatePlugin, 16 | designPlugin, 17 | selectPlugin, 18 | tooltipsPlugin, 19 | locatePlugin, 20 | sigmaContainer, 21 | initialized = false, 22 | NB_SEARCH_RESULTS = 5; 23 | 24 | // Available query parameters: "ui", "forceui", "graph", "cb" 25 | // - ui: features, availables values are "search","share","fullscreen","zoom","layout" 26 | // - graph: URL to the graph in JSON file format 27 | // - cb: callback function from the parent window 28 | var queryString = getQueryString(location.search.substr(1)); // substr removes "?" 29 | 30 | var settings = { 31 | /** 32 | * POWEREDBY SETTINGS: 33 | * ******************* 34 | */ 35 | poweredByHTML: ' Powered by Linkurious', 36 | poweredByURL: 'https://linkurio.us', 37 | 38 | /** 39 | * RENDERERS SETTINGS: 40 | * ******************* 41 | */ 42 | defaultEdgeType: 'tapered', 43 | // Labels: 44 | font: 'Roboto', 45 | defaultLabelColor: '#000', 46 | defaultLabelSize: 11, 47 | labelThreshold: 5, 48 | labelAlignment: 'center', 49 | defaultEdgeLabelSize: 11, 50 | edgeLabelThreshold: 4, 51 | labelHoverShadow: '', 52 | edgeLabelHoverShadow: '', 53 | // Edges: 54 | edgeColor: 'default', 55 | defaultEdgeColor: '#a9a9a9', 56 | // Nodes: 57 | defaultNodeColor: '#999999', 58 | // Hovered nodes: 59 | hoverFontStyle: 'bold', 60 | borderSize: 2, 61 | outerBorderSize: 4, 62 | nodeBorderColor: 'default', 63 | defaultNodeBorderColor: '#ffffff', 64 | defaultNodeOuterBorderColor: '#f65565', 65 | nodeHoverLevel: 1, 66 | // Hovered edges: 67 | edgeHoverExtremities: true, 68 | edgeHoverLevel: 1, 69 | // Actve nodes and edges: 70 | activeFontStyle: 'bold', 71 | nodeActiveColor: 'node', 72 | defaultNodeActiveColor: '#999999', 73 | nodeActiveLevel: 3, 74 | edgeActiveColor: 'default', 75 | defaultEdgeActiveColor: '#f65565', 76 | edgeActiveLevel: 3, 77 | 78 | // Halo: 79 | nodeHaloSize: 25, 80 | edgeHaloSize: 20, 81 | nodeHaloColor: '#ffffff', 82 | edgeHaloColor: '#ffffff', 83 | nodeHaloStroke: true, 84 | nodeHaloStrokeColor: '#a9a9a9', 85 | nodeHaloStrokeWidth: 0.5, 86 | 87 | // Node images: 88 | imgCrossOrigin: 'anonymous', 89 | 90 | /** 91 | * RESCALE SETTINGS: 92 | * ***************** 93 | */ 94 | minNodeSize: 5, 95 | maxNodeSize: 5, 96 | minEdgeSize: 2, 97 | maxEdgeSize: 2, 98 | 99 | /** 100 | * CAPTORS SETTINGS: 101 | * ***************** 102 | */ 103 | zoomingRatio: 1.382, 104 | doubleClickZoomingRatio: 1.7, 105 | zoomMin: 0.1, 106 | zoomMax: 10, 107 | doubleClickZoomDuration: 200, 108 | 109 | /** 110 | * GLOBAL SETTINGS: 111 | * **************** 112 | */ 113 | autoRescale: ['nodeSize', 'edgeSize'], 114 | doubleClickEnabled: true, 115 | enableEdgeHovering: true, 116 | edgeHoverPrecision: 10, 117 | approximateLabelWidth: true, 118 | 119 | /** 120 | * CAMERA SETTINGS: 121 | * **************** 122 | */ 123 | nodesPowRatio: 0.8, 124 | edgesPowRatio: 0.8, 125 | 126 | /** 127 | * ANIMATIONS SETTINGS: 128 | * ******************** 129 | */ 130 | animationsTime: 1000 131 | }; 132 | 133 | var tooltipsSettings = { 134 | node: { 135 | show: 'clickNode', 136 | hide: 'clickStage', 137 | cssClass: 'sigma-tooltip', 138 | position: 'top', 139 | autoadjust: true 140 | }, 141 | edge: { 142 | show: 'clickEdge', 143 | hide: 'clickStage', 144 | cssClass: 'sigma-tooltip', 145 | position: 'top', 146 | autoadjust: true 147 | } 148 | }; 149 | 150 | LK.content = {}; 151 | 152 | 153 | /** 154 | * Initialize the widget. It should be called only once. 155 | */ 156 | LK.widget = function() { 157 | if(initialized) return; 158 | 159 | initialized = true; 160 | sigmaContainer = LK.dom.$('graph-canvas'); 161 | 162 | sigmaInstance = new sigma({ 163 | renderer: { 164 | container: sigmaContainer, 165 | type: 'canvas' 166 | }, 167 | settings: settings 168 | }); 169 | 170 | // ------------------------------------------------------------------------------------------ 171 | // LOAD GRAPH 172 | // ------------------------------------------------------------------------------------------ 173 | 174 | if (typeof widgetData !== 'string' && widgetData.content) { 175 | LK.content = widgetData.content; 176 | sigmaInstance.graph.read(LK.content.graph); 177 | sigmaInstance.refresh(); 178 | } 179 | else if (queryString.graph) { 180 | sigma.parsers.json( 181 | queryString.graph, 182 | sigmaInstance, 183 | function() { 184 | sigmaInstance.refresh(); 185 | } 186 | ); 187 | } 188 | 189 | // ------------------------------------------------------------------------------------------ 190 | // SIGMA PLUGINS 191 | // ------------------------------------------------------------------------------------------ 192 | 193 | // Instantiate the Keyboards plugin: 194 | sigma.plugins.keyboard(sigmaInstance, sigmaInstance.renderers[0], { 195 | zoomingRatio: 1.3 196 | }); 197 | 198 | designPlugin = sigma.plugins.design(sigmaInstance); 199 | 200 | if (LK.content && LK.content.styles && LK.content.palette) { 201 | LK.setDesign(LK.content.styles, LK.content.palette); 202 | } 203 | 204 | activeStatePlugin = sigma.plugins.activeState(sigmaInstance); 205 | selectPlugin = sigma.plugins.select(sigmaInstance, activeStatePlugin, sigmaInstance.renderers[0]); 206 | 207 | // Instantiate the Locate plugin: 208 | locatePlugin = sigma.plugins.locate(sigmaInstance, { 209 | animation: { 210 | node: { 211 | duration: 800 212 | }, 213 | edge: { 214 | duration: 800 215 | }, 216 | center: { 217 | duration: 800 218 | } 219 | }, 220 | padding: { 221 | top: 60, 222 | right: 20, 223 | bottom: 20, 224 | left: 20 225 | }, 226 | focusOut: false, 227 | zoomDef: 0.3 228 | }); 229 | 230 | if (sigmaInstance.graph.nodes().length) { 231 | locatePlugin.center(); 232 | } 233 | 234 | var renderHalo = function() { 235 | var nodes = []; 236 | activeStatePlugin.nodes().forEach(function(node) { 237 | nodes = nodes.concat(sigmaInstance.graph.adjacentNodes(node.id)); 238 | }); 239 | nodes.concat(activeStatePlugin.nodes()); 240 | 241 | activeStatePlugin.edges().forEach(function(edge) { 242 | nodes.push(sigmaInstance.graph.nodes(edge.source)); 243 | nodes.push(sigmaInstance.graph.nodes(edge.target)); 244 | }); 245 | 246 | // TODO remove duplicates from nodes 247 | 248 | sigmaInstance.renderers[0].halo({ 249 | nodes: nodes 250 | }); 251 | }; 252 | 253 | sigmaInstance.renderers[0].bind('render', function() { 254 | renderHalo(); 255 | }); 256 | 257 | //ACTIVE EVENTS 258 | activeStatePlugin.bind('activeNodes', function () { 259 | renderHalo(); 260 | }); 261 | activeStatePlugin.bind('activeEdges', function () { 262 | renderHalo(); 263 | }); 264 | 265 | // Instantiate the PoweredBy plugin: 266 | sigmaInstance.renderers[0].poweredBy(); 267 | 268 | // Instantiate the tooltips plugin with a Mustache renderer 269 | var tooltipsNodeTmpl = LK.dom.$('tooltip-node').innerHTML; 270 | Mustache.parse(tooltipsNodeTmpl); // optional, speeds up future uses 271 | tooltipsSettings.node.template = tooltipsNodeTmpl; 272 | tooltipsSettings.node.renderer = function(node, template) { 273 | node = mustachPrepare(node, 'node'); 274 | return Mustache.render(template, node); 275 | }; 276 | 277 | var tooltipsEdgeTmpl = LK.dom.$('tooltip-edge').innerHTML; 278 | Mustache.parse(tooltipsEdgeTmpl); // optional, speeds up future uses 279 | tooltipsSettings.edge.template = tooltipsEdgeTmpl; 280 | tooltipsSettings.edge.renderer = function(edge, template) { 281 | edge = mustachPrepare(edge, 'edge'); 282 | return Mustache.render(template, edge); 283 | }; 284 | 285 | tooltipsPlugin = sigma.plugins.tooltips(sigmaInstance, sigmaInstance.renderers[0], tooltipsSettings); 286 | 287 | 288 | sigmaInstance.bind('hovers', function (event) { 289 | if(event.data.enter.nodes.length) { 290 | // Add the 'hover' class to the DOM container: 291 | if (-1 == sigmaContainer.className.indexOf('hoverNodes')) { 292 | sigmaContainer.className += ' hoverNodes'; 293 | } 294 | } 295 | else if(event.data.enter.edges.length) { 296 | // Add the 'hover' class to the DOM container: 297 | if (-1 == sigmaContainer.className.indexOf('hoverEdges')) { 298 | sigmaContainer.className += ' hoverEdges'; 299 | } 300 | } 301 | else if(event.data.leave.nodes.length || event.data.leave.edges.length) { 302 | // Remove the 'hover' class from the DOM container: 303 | sigmaContainer.className = sigmaContainer.className.replace(' hoverNodes', ''); 304 | // Remove the 'hover' class from the DOM container: 305 | sigmaContainer.className = sigmaContainer.className.replace(' hoverEdges', ''); 306 | } 307 | }); 308 | 309 | // public access for iframe parent: 310 | LK.sigma = sigmaInstance; 311 | LK.plugins = { 312 | activeState: activeStatePlugin, 313 | design: designPlugin, 314 | locate: locatePlugin, 315 | select: selectPlugin, 316 | tooltips: tooltipsPlugin 317 | }; 318 | 319 | if (queryString.cb && typeof window.parent[queryString.cb] === 'function') { 320 | window.parent[queryString.cb](); 321 | } 322 | 323 | if (widgetData.title) { 324 | document.title = widgetData.title + ' - PyLinkurious'; 325 | } 326 | if (LK.content) { 327 | if (LK.content.description) { 328 | var elt = LK.dom.all('meta[name=description]')[0]; 329 | if (elt) { 330 | elt.parentNode.removeChild(elt); 331 | } 332 | elt = document.createElement('meta'); 333 | elt.name = 'description'; 334 | elt.content = LK.content.description; 335 | LK.dom.all('head')[0].appendChild(elt); 336 | } 337 | if (widgetData.url) { 338 | LK.dom.$('url').value = widgetData.url; 339 | } 340 | if (widgetData.url) { 341 | LK.dom.$('code').value = getWidgetCode( 342 | widgetData.url, 343 | widgetData.title, 344 | LK.content.description 345 | ); 346 | } 347 | } 348 | 349 | LK.updateUI(); 350 | 351 | // In case the WebGL renderer is used, we must wait for FontAwesome to be loaded. 352 | // http://www.w3.org/TR/css-font-loading/ 353 | if (document.fonts) { 354 | // document.fonts.ready() method is going to be replaced with 355 | // document.fonts.ready attribute in the future. 356 | var fontsReady = document.fonts.ready; 357 | if (typeof(fontsReady) == "function") { 358 | fontsReady = document.fonts.ready(); 359 | } 360 | fontsReady.then(function() { 361 | LK.sigma.refresh({ skipIndexation:true }); 362 | }); 363 | } 364 | else { // wait 365 | // TODO use a polyfill such as: 366 | // https://github.com/zachleat/fontfaceonload 367 | // https://github.com/smnh/FontLoader 368 | setTimeout(function() { 369 | LK.sigma.refresh({ skipIndexation:true }); 370 | }, 2000); 371 | } 372 | 373 | return true; 374 | }; 375 | 376 | /** 377 | * Manually open a tooltip on a node. 378 | * @param node 379 | */ 380 | LK.openNodeTooltip = function(node) { 381 | var prefix = 'renderer1:'; 382 | tooltipsPlugin.open(node, tooltipsSettings.node, node[prefix + 'x'], node[prefix + 'y']); 383 | }; 384 | 385 | /** 386 | * Manually open a tooltip on an edge. 387 | * @param edge 388 | */ 389 | LK.openEdgeTooltip = function(edge) { 390 | var prefix = 'renderer1:', 391 | source = sigmaInstance.graph.nodes(edge.source), 392 | target = sigmaInstance.graph.nodes(edge.target), 393 | x = (source[prefix + 'x'] + target[prefix + 'x']) * 0.5, 394 | y = (source[prefix + 'y'] + target[prefix + 'y']) * 0.5; 395 | tooltipsPlugin.open(edge, tooltipsSettings.edge, x, y); 396 | }; 397 | 398 | /** 399 | * Close the current tooltip. 400 | */ 401 | LK.closeTooltip = function() { 402 | tooltipsPlugin.close(); 403 | }; 404 | 405 | // ------------------------------------------------------------------------------------------ 406 | // SEARCH FUNCTIONS 407 | // ------------------------------------------------------------------------------------------ 408 | 409 | LK.searchType = 'nodes'; 410 | 411 | /** 412 | * Create the footer of the search results list. 413 | * @param {DOMElement} parentElt 414 | * @param {number} tabIndex 415 | */ 416 | function createFooterElt (parentElt, tabIndex) { 417 | var elt = document.createElement('p'); 418 | elt.className = 'autocomplete_dropdown_item btn'; 419 | elt.tabIndex = tabIndex; 420 | 421 | if (LK.searchType === 'nodes') { 422 | elt.appendChild( document.createTextNode('Show edges') ); 423 | elt.onclick = function() { 424 | LK.search('edges'); 425 | }; 426 | elt.addEventListener('keydown', function(event) { 427 | switch (event.which) { 428 | case 13: // select on Enter key pressed 429 | LK.search('edges'); 430 | LK.dom.$('result-list__dropdown').firstChild.focus(); 431 | break; 432 | case 38: // up arrow 433 | if (this.previousSibling) this.previousSibling.focus(); 434 | else this.parentNode.lastChild.focus(); 435 | break; 436 | case 40: // down arrow 437 | case 9: // TAB 438 | this.parentNode.firstChild.focus(); 439 | break; 440 | default: 441 | LK.dom.$('result-list__input').focus(); 442 | } 443 | event.preventDefault(); 444 | if (event.which != 9) { 445 | event.stopPropagation(); 446 | } 447 | }); 448 | } 449 | else { 450 | elt.appendChild( document.createTextNode('Show nodes') ); 451 | elt.onclick = function() { 452 | LK.search('nodes'); 453 | }; 454 | elt.addEventListener('keydown', function(event) { 455 | switch (event.which) { 456 | case 13: // select on Enter key pressed 457 | LK.search('nodes'); 458 | LK.dom.$('result-list__dropdown').firstChild.focus(); 459 | break; 460 | case 38: // up arrow 461 | if (this.previousSibling) this.previousSibling.focus(); 462 | else this.parentNode.lastChild.focus(); 463 | break; 464 | case 40: // down arrow 465 | case 9: // TAB 466 | this.parentNode.firstChild.focus(); 467 | break; 468 | default: 469 | LK.dom.$('result-list__input').focus(); 470 | } 471 | event.preventDefault(); 472 | if (event.which != 9) { 473 | event.stopPropagation(); 474 | } 475 | }); 476 | } 477 | 478 | parentElt.appendChild(elt); 479 | } 480 | 481 | /** 482 | * Search nodes or edges. 483 | * @param type 'nodes' | 'edges' 484 | */ 485 | LK.search = function(type) { 486 | LK.searchType = type || LK.searchType; 487 | var q = LK.dom.$('result-list__input').value; 488 | 489 | if (q.length) { 490 | var nodesMatches, 491 | edgesMatches, 492 | elt, 493 | e, 494 | resultList, 495 | tabindex = 100; 496 | 497 | // Empty the list of results 498 | resultList = LK.dom.$('result-list__dropdown'); 499 | while (resultList.lastChild) { 500 | resultList.removeChild(resultList.lastChild); 501 | } 502 | 503 | // Search nodes 504 | if (LK.searchType === 'nodes') { 505 | nodesMatches = graphSearch(q, sigmaInstance.graph.nodes()) 506 | .slice(0, NB_SEARCH_RESULTS) 507 | .map(function(match) { 508 | 509 | elt = document.createElement('p'); 510 | elt.dataset.id = match.item.id; 511 | elt.className = 'autocomplete_dropdown_item'; 512 | elt.tabIndex = tabindex++; 513 | elt.onclick = nodeResultHandler; 514 | elt.addEventListener('keydown', function(event) { 515 | switch (event.which) { 516 | case 13: // select on Enter key pressed 517 | nodeResultHandler.apply(this); 518 | break; 519 | case 38: // up arrow 520 | if (this.previousSibling) this.previousSibling.focus(); 521 | else this.parentNode.lastChild.focus(); 522 | break; 523 | case 40: // down arrow 524 | if (this.nextSibling) this.nextSibling.focus(); 525 | else this.parentNode.firstChild.focus(); 526 | break; 527 | case 9: // TAB 528 | break; 529 | default: 530 | LK.dom.$('result-list__input').focus(); 531 | } 532 | if (event.which != 9) { 533 | event.preventDefault(); 534 | event.stopPropagation(); 535 | } 536 | }); 537 | elt.appendChild( document.createTextNode(match.item.label) ); 538 | return elt; 539 | }); 540 | 541 | for ( e = 0; e < nodesMatches.length; e++ ) { 542 | resultList.appendChild(nodesMatches[e]); 543 | } 544 | 545 | if (!nodesMatches.length) { 546 | elt = document.createElement('p'); 547 | elt.className = 'autocomplete_dropdown_item'; 548 | elt.tabIndex = tabindex++; 549 | elt.appendChild( document.createTextNode('0 nodes found.') ); 550 | resultList.appendChild(elt); 551 | } 552 | } 553 | 554 | // Search edges 555 | if (LK.searchType === 'edges') { 556 | edgesMatches = graphSearch(q, sigmaInstance.graph.edges()) 557 | .slice(0, NB_SEARCH_RESULTS) 558 | .map(function(match) { 559 | 560 | elt = document.createElement('p'); 561 | elt.dataset.id = match.item.id; 562 | elt.className = 'autocomplete_dropdown_item'; 563 | elt.tabIndex = tabindex++; 564 | elt.onclick = edgeResultHandler; 565 | elt.addEventListener('keydown', function(event) { 566 | switch (event.which) { 567 | case 13: // select on Enter key pressed 568 | edgeResultHandler.apply(this); 569 | break; 570 | case 38: // up arrow 571 | if (this.previousSibling) this.previousSibling.focus(); 572 | else this.parentNode.lastChild.focus(); 573 | break; 574 | case 40: // down arrow 575 | if (this.nextSibling) this.nextSibling.focus(); 576 | else this.parentNode.firstChild.focus(); 577 | break; 578 | case 9: // TAB 579 | break; 580 | default: 581 | LK.dom.$('result-list__input').focus(); 582 | } 583 | if (event.which != 9) { 584 | event.preventDefault(); 585 | event.stopPropagation(); 586 | } 587 | }); 588 | elt.appendChild( document.createTextNode(match.item.label) ); 589 | return elt; 590 | }); 591 | 592 | for ( e = 0; e < edgesMatches.length; e++ ) { 593 | resultList.appendChild( edgesMatches[e] ); 594 | } 595 | 596 | if (!edgesMatches.length) { 597 | elt = document.createElement('p'); 598 | elt.className = 'autocomplete_dropdown_item'; 599 | elt.tabIndex = tabindex++; 600 | elt.appendChild( document.createTextNode('0 edges found.') ); 601 | resultList.appendChild(elt); 602 | } 603 | } 604 | 605 | createFooterElt(resultList, tabindex++); 606 | 607 | LK.dom.show('#autocomplete__reset'); 608 | LK.dom.show('#result-list__dropdown'); 609 | } 610 | else LK.clearSearch(); 611 | }; 612 | 613 | /** 614 | * Clear search result. 615 | */ 616 | LK.clearSearch = function() { 617 | LK.dom.hide('#autocomplete__reset'); 618 | LK.dom.hide('#result-list__dropdown'); 619 | LK.dom.$('result-list__input').value = ''; 620 | LK.dom.$('result-list__input').focus(); 621 | //Clear results 622 | var resultList = LK.dom.$('result-list__dropdown'); 623 | while (resultList.lastChild) { 624 | resultList.removeChild(resultList.lastChild); 625 | } 626 | }; 627 | 628 | document.getElementById('result-list__input').addEventListener('keydown', function(event) { 629 | 630 | if (event.which == 13) { 631 | // Select the first result in the list on Enter key pressed: 632 | if (LK.dom.$('result-list__dropdown').children.length) { 633 | LK.dom.$('result-list__dropdown').firstChild.focus(); 634 | LK.dom.$('result-list__dropdown').firstChild.click(); 635 | } 636 | // Avoid submit when enter is pressed: 637 | event.preventDefault(); 638 | event.stopPropagation(); 639 | } 640 | 641 | if (!LK.dom.$('result-list__dropdown').children.length) return; 642 | 643 | // Focus on first result item: 644 | if (event.which == 9 || event.which == 40) { // TAB key or down arrow 645 | LK.dom.$('result-list__dropdown').firstChild.focus(); 646 | event.preventDefault(); // avoid double-tabbing on TAB key pressed 647 | } 648 | event.stopPropagation(); 649 | }, false); 650 | 651 | 652 | // ------------------------------------------------------------------------------------------ 653 | // LAYOUT FUNCTIONS 654 | // ------------------------------------------------------------------------------------------ 655 | 656 | /** 657 | * Start/stop the ForceLink layout. 658 | */ 659 | LK.toggleLayout = function() { 660 | var btnElt = LK.dom.$('viewController-layout').children[0]; 661 | if (sigma.layouts.isForceLinkRunning()) { 662 | sigma.layouts.stopForceLink(); 663 | btnElt.className = btnElt.className.replace('fa-pause', 'fa-play'); 664 | } 665 | else { 666 | var nodesCount = sigmaInstance.graph.nodes().length, 667 | scalingRatio = 2, 668 | gravity = (nodesCount > 250) ? (2 * nodesCount) / 100 : 2.5; 669 | 670 | // TODO replace by a more qualitative layout on graphs < 50 nodes 671 | if (nodesCount > 50) { 672 | scalingRatio = 2.5; 673 | } else if (nodesCount > 10) { 674 | scalingRatio = 5; 675 | } else if (nodesCount > 3) { 676 | scalingRatio = 10; 677 | } else if (nodesCount > 2) { 678 | scalingRatio = 30; 679 | } else { 680 | scalingRatio = 50; 681 | } 682 | 683 | if (!nodesCount) return; 684 | 685 | sigma.layouts.configForceLink(sigmaInstance, { 686 | autoStop: true, 687 | background: true, 688 | maxIterations: 1500, 689 | avgDistanceThreshold: 0.00001, 690 | linLogMode: true, 691 | barnesHutOptimize: (nodesCount > 1000), 692 | easing: 'cubicInOut', 693 | scalingRatio: scalingRatio, 694 | gravity: gravity, 695 | randomize: 'locally', 696 | randomizeFactor: 30, 697 | alignNodeSiblings: (nodesCount > 3), 698 | nodeSiblingsScale: 8, 699 | nodeSiblingsAngleMin: 0.3 700 | }) 701 | .bind('interpolate stop', function(){ 702 | btnElt.className = btnElt.className.replace('fa-pause', 'fa-play'); 703 | }); 704 | 705 | btnElt.className = btnElt.className.replace('fa-play', 'fa-pause'); 706 | sigma.layouts.startForceLink(); 707 | } 708 | }; 709 | 710 | 711 | // ------------------------------------------------------------------------------------------ 712 | // DESIGN FUNCTIONS 713 | // ------------------------------------------------------------------------------------------ 714 | 715 | /** 716 | * Clear current design, load new styles and palette, and apply. 717 | * @param styles 718 | * @param palette 719 | */ 720 | LK.setDesign = function(styles, palette) { 721 | designPlugin.clear(); 722 | designPlugin.setPalette(palette); 723 | designPlugin.setStyles(styles); 724 | 725 | if (styles.nodes && styles.nodes.icon) { 726 | sigmaInstance.settings('labelAlignment', 'right'); 727 | } 728 | else { 729 | sigmaInstance.settings('labelAlignment', ''); 730 | } 731 | 732 | designPlugin.apply(); 733 | }; 734 | 735 | 736 | // ------------------------------------------------------------------------------------------ 737 | // CAMERA FUNCTIONS 738 | // ------------------------------------------------------------------------------------------ 739 | 740 | /** 741 | * Zoom on the specified node. 742 | * @param id The node id. 743 | * @param options 744 | */ 745 | LK.locateNode = function(id, options) { 746 | locatePlugin.nodes(id, options); 747 | }; 748 | 749 | /** 750 | * Zoom on the specified edge. 751 | * @param id The edge id. 752 | * @param options 753 | */ 754 | LK.locateEdge = function(id, options) { 755 | locatePlugin.edges(id, options); 756 | }; 757 | 758 | LK.zoomOut = function() { 759 | sigma.utils.zoomTo( 760 | sigmaInstance.camera, 761 | 0, 762 | 0, 763 | 1 / sigmaInstance.settings('zoomingRatio'), 764 | { duration: 300 } 765 | ); 766 | }; 767 | 768 | LK.zoomIn = function() { 769 | sigma.utils.zoomTo( 770 | sigmaInstance.camera, 771 | 0, 772 | 0, 773 | sigmaInstance.settings('zoomingRatio'), 774 | { duration: 300 } 775 | ); 776 | }; 777 | 778 | /** 779 | * Reset the camera zoom and position. 780 | */ 781 | LK.zoomCenter = function() { 782 | sigma.utils.zoomTo( 783 | sigmaInstance.camera, 784 | 0, 785 | 0, 786 | 1, 787 | { duration: 300 } 788 | ); 789 | }; 790 | 791 | /** 792 | * Display the graph in full screen mode. 793 | */ 794 | LK.fullscreen = function() { 795 | sigmaInstance.renderers[0].fullScreen(); 796 | }; 797 | 798 | 799 | // ------------------------------------------------------------------------------------------ 800 | // SHARE FUNCTIONS 801 | // ------------------------------------------------------------------------------------------ 802 | 803 | /** 804 | * Open the Share modal 805 | */ 806 | LK.share = function() { 807 | LK.dom.show('#share-overlay'); 808 | }; 809 | 810 | /** 811 | * Close the Share modal 812 | */ 813 | LK.closeShareOverlay = function() { 814 | LK.dom.hide('#share-overlay'); 815 | }; 816 | 817 | // ------------------------------------------------------------------------------------------ 818 | // DOM UTILITY FUNCTIONS 819 | // ------------------------------------------------------------------------------------------ 820 | 821 | LK.dom = { 822 | /** 823 | * Get the DOM element by id. 824 | * @param {string} id 825 | * @returns {Element} 826 | */ 827 | $: function (id) { 828 | return document.getElementById(id); 829 | }, 830 | 831 | /** 832 | * Get a set of DOM elements by CSS selectors. 833 | * @param {string} selectors The CSS selectors. 834 | * @returns {NodeList} 835 | */ 836 | all: function (selectors) { 837 | return document.querySelectorAll(selectors); 838 | }, 839 | 840 | /** 841 | * Remove the specified CSS class from the specified DOM elements. 842 | * @param {string} selectors The CSS selectors. 843 | * @param {string} cssClass 844 | */ 845 | removeClass: function(selectors, cssClass) { 846 | var nodes = document.querySelectorAll(selectors); 847 | var l = nodes.length; 848 | for (var i = 0 ; i < l; i++ ) { 849 | var el = nodes[i]; 850 | // Bootstrap compatibility 851 | el.className = el.className.replace(cssClass, ''); 852 | } 853 | }, 854 | 855 | /** 856 | * Add the specified CSS class to the specified DOM elements. 857 | * @param {string} selectors The CSS selectors. 858 | * @param {string} cssClass 859 | */ 860 | addClass: function (selectors, cssClass) { 861 | var nodes = document.querySelectorAll(selectors); 862 | var l = nodes.length; 863 | for (var i = 0 ; i < l; i++ ) { 864 | var el = nodes[i]; 865 | // Bootstrap compatibility 866 | if (-1 == el.className.indexOf(cssClass)) { 867 | el.className += ' ' + cssClass; 868 | } 869 | } 870 | }, 871 | 872 | /** 873 | * Remove the CSS class "hidden" from the specified DOM elements. 874 | * @param {string} selectors The CSS selectors. 875 | */ 876 | show: function (selectors) { 877 | this.removeClass(selectors, 'hidden'); 878 | }, 879 | 880 | /** 881 | * Add the CSS class "hidden" to the specified DOM elements. 882 | * @param {string} selectors The CSS selectors. 883 | */ 884 | hide: function (selectors) { 885 | this.addClass(selectors, 'hidden'); 886 | }, 887 | 888 | /** 889 | * Toggle the visibility of the specified DOM elements. 890 | * @param {string} selectors The CSS selectors. 891 | * @param {string} [cssClass] the optional CSS class. Default: "hidden" 892 | */ 893 | toggle: function (selectors, cssClass) { 894 | var cssClass = cssClass || "hidden"; 895 | var nodes = document.querySelectorAll(selectors); 896 | var l = nodes.length; 897 | for (var i = 0 ; i < l; i++ ) { 898 | var el = nodes[i]; 899 | //el.style.display = (el.style.display != 'none' ? 'none' : '' ); 900 | // Bootstrap compatibility 901 | if (-1 !== el.className.indexOf(cssClass)) { 902 | el.className = el.className.replace(cssClass, ''); 903 | } else { 904 | el.className += ' ' + cssClass; 905 | } 906 | } 907 | } 908 | }; 909 | 910 | // ------------------------------------------------------------------------------------------ 911 | // WIDGET PARAMETERS 912 | // ------------------------------------------------------------------------------------------ 913 | 914 | /** 915 | * All UI features are displayed if "ui" is missing, otherwise we display the listed features only. 916 | */ 917 | LK.updateUI = function() { 918 | if ('forceui' in queryString) { 919 | LK.dom.addClass('#searchbar', 'always-opaque'); 920 | LK.dom.addClass('#viewController', 'always-opaque'); 921 | } 922 | if ('ui' in queryString) { 923 | if (queryString.ui.indexOf('search') != -1) { 924 | LK.dom.show('#searchbar'); 925 | } 926 | if (queryString.ui.indexOf('share') != -1) { 927 | LK.dom.show('#viewController-share'); 928 | } 929 | if (queryString.ui.indexOf('layout') != -1) { 930 | LK.dom.show('#viewController-layout'); 931 | } 932 | if (queryString.ui.indexOf('fullscreen') != -1) { 933 | LK.dom.show('#viewController-fullscreen'); 934 | } 935 | if (queryString.ui.indexOf('zoom') != -1) { 936 | LK.dom.show('#viewController-zoomin'); 937 | LK.dom.show('#viewController-zoomout'); 938 | } 939 | } 940 | else if ('ui' in LK.content) { 941 | if (LK.content.ui.search) { 942 | LK.dom.show('#searchbar'); 943 | } 944 | if (LK.content.ui.share) { 945 | LK.dom.show('#viewController-share'); 946 | } 947 | if (LK.content.ui.layout) { 948 | LK.dom.show('#viewController-layout'); 949 | } 950 | if (LK.content.ui.fullscreen) { 951 | LK.dom.show('#viewController-fullscreen'); 952 | } 953 | if (LK.content.ui.zoom) { 954 | LK.dom.show('#viewController-zoomin'); 955 | LK.dom.show('#viewController-zoomout'); 956 | } 957 | } 958 | else { 959 | LK.dom.show('#searchbar'); 960 | LK.dom.show('#viewController-share'); 961 | LK.dom.show('#viewController-layout'); 962 | LK.dom.show('#viewController-fullscreen'); 963 | LK.dom.show('#viewController-zoomin'); 964 | LK.dom.show('#viewController-zoomout'); 965 | } 966 | }; 967 | 968 | 969 | // ------------------------------------------------------------------------------------------ 970 | // DRAG'N'DROP FILES 971 | // ------------------------------------------------------------------------------------------ 972 | 973 | // see http://www.html5rocks.com/en/tutorials/file/dndfiles/ 974 | 975 | /** 976 | * Close the Drag modal 977 | */ 978 | LK.closeDragOverlay = function() { 979 | LK.dom.hide('#drag-overlay'); 980 | }; 981 | 982 | 983 | document.ondragover = function (e) { 984 | e.dataTransfer.dropEffect = 'copy'; // Explicitly show this is a copy. 985 | LK.dom.show('#drag-overlay'); 986 | return false; 987 | }; 988 | 989 | document.ondrop = onDropHandler; 990 | 991 | document.getElementById('drop-zone-graph').ondragover = function (e) { 992 | LK.dom.addClass('#drop-zone-graph', 'dragover'); 993 | }; 994 | 995 | document.getElementById('drop-zone-graph').ondragleave = function (e) { 996 | LK.dom.removeClass('#drop-zone-graph', 'dragover'); 997 | }; 998 | 999 | document.getElementById('drop-zone-graph').ondrop = onDropHandler; 1000 | 1001 | document.getElementById('drop-zone-design').ondragover = function (e) { 1002 | LK.dom.addClass('#drop-zone-design', 'dragover'); 1003 | }; 1004 | 1005 | document.getElementById('drop-zone-design').ondragleave = function (e) { 1006 | LK.dom.removeClass('#drop-zone-design', 'dragover'); 1007 | }; 1008 | 1009 | document.getElementById('drop-zone-design').ondrop = onDropHandler; 1010 | 1011 | 1012 | // ------------------------------------------------------------------------------------------ 1013 | // RUN WIDGET 1014 | // ------------------------------------------------------------------------------------------ 1015 | 1016 | document.addEventListener("DOMContentLoaded", function() { 1017 | LK.widget(); 1018 | }); 1019 | 1020 | // ------------------------------------------------------------------------------------------ 1021 | // PRIVATE FUNCTIONS 1022 | // ------------------------------------------------------------------------------------------ 1023 | 1024 | /** 1025 | * Generate the widget iframe code. 1026 | * @param {string} url 1027 | * @param {string} title 1028 | * @param {string} description 1029 | * @returns {string} 1030 | */ 1031 | function getWidgetCode(url, title, description) { 1032 | var title = title || ''; 1033 | var description = description || ''; 1034 | 1035 | var iframe = '' + 1037 | '

' + title + ' on ' + 1038 | 'Linkurious.

'; 1039 | 1040 | if (description.length) { 1041 | iframe += '

' + description + '

'; 1042 | } 1043 | return iframe; 1044 | } 1045 | 1046 | /** 1047 | * Format the node or edge data for Mustache. 1048 | * @param item 1049 | * @param type 'node' or 'edge' 1050 | * @return The modified item. 1051 | */ 1052 | function mustachPrepare(item, type) { 1053 | // see http://stackoverflow.com/a/9058774/ 1054 | item.mustacheProperties = []; 1055 | item.mustacheCategories = []; 1056 | 1057 | if(item.data) { 1058 | for (var prop in item.data.properties){ 1059 | if (item.data.properties.hasOwnProperty(prop)){ 1060 | item.mustacheProperties.push({ 1061 | 'key' : prop, 1062 | 'value' : item.data.properties[prop] 1063 | }); 1064 | } 1065 | } 1066 | if (type === 'node') { 1067 | for (var prop in item.data.categories){ 1068 | if (item.data.categories.hasOwnProperty(prop)){ 1069 | item.mustacheCategories.push(item.data.categories[prop]); 1070 | } 1071 | } 1072 | } 1073 | else { 1074 | item.mustacheCategories = [item.data.type]; 1075 | } 1076 | } 1077 | 1078 | return item; 1079 | } 1080 | 1081 | /** 1082 | * Search on sigma nodes or sigma edges. 1083 | * @param {string} q The query string. 1084 | * @param {array} items Nodes or edges. 1085 | * @returns {array} 1086 | */ 1087 | function graphSearch(q, items) { 1088 | q = q.trim().toLowerCase(); 1089 | 1090 | return items.map(function(item) { 1091 | return { 1092 | item: item, 1093 | score: fuzzysearch(q, (item.label || '').trim().toLowerCase(), 3) 1094 | }; 1095 | }).filter(function(res) { 1096 | return res.score != Number.POSITIVE_INFINITY; 1097 | }).sort(function(a, b) { 1098 | return a.score - b.score; 1099 | }); 1100 | } 1101 | 1102 | 1103 | /** 1104 | * Fuzzy searching allows for flexibly matching a string with partial input, 1105 | * useful for filtering data very quickly based on lightweight user input. 1106 | * Returns score lower than Infinity if needle matches haystack using a fuzzy-searching algorithm. 1107 | * Note that this program doesn't implement levenshtein distance, but rather 1108 | * a simplified version where there's no approximation. The method will return a score lower 1109 | * than Infinity only if each character in the needle can be found in the haystack and 1110 | * occurs after the preceding matches. To sum up: 1111 | * - score = +Inf: not a match. 1112 | * - score > 0: number of characters read before finding the last character of needle 1113 | * (doesn't count the characters of needle). 1114 | * - score = 0: the needle is a substring of haystack. 1115 | * - score < 0: perfect match. 1116 | * 1117 | * @see https://github.com/bevacqua/fuzzysearch (modified) 1118 | * @param {string} needle 1119 | * @param {string} haystack 1120 | * @param {number} cutoff The maximum score before Infinity. 1121 | * @returns {number} score 1122 | */ 1123 | function fuzzysearch (needle, haystack, cutoff) { 1124 | var 1125 | hlen = haystack.length, 1126 | nlen = needle.length, 1127 | hops = - needle.length + 1, 1128 | hops_limit = cutoff || 10, 1129 | incr = 0, 1130 | nch, i, j; 1131 | 1132 | if (nlen > hlen) { 1133 | return Number.POSITIVE_INFINITY; 1134 | } 1135 | if (nlen === hlen) { 1136 | return (needle === haystack) ? -1 : Number.POSITIVE_INFINITY; 1137 | } 1138 | if (nlen == 1) { 1139 | hops = haystack.indexOf(needle); 1140 | return (hops < 0) ? Number.POSITIVE_INFINITY : hops; 1141 | } 1142 | outer: for (i = 0, j = 0; i < nlen; i++) { 1143 | nch = needle.charCodeAt(i); 1144 | while (j < hlen) { 1145 | hops += incr; 1146 | if (incr && hops > hops_limit) { 1147 | return Number.POSITIVE_INFINITY; 1148 | } 1149 | if (haystack.charCodeAt(j++) === nch) { 1150 | incr = 1; 1151 | continue outer; 1152 | } 1153 | } 1154 | return Number.POSITIVE_INFINITY; 1155 | } 1156 | 1157 | return hops; 1158 | } 1159 | 1160 | /** 1161 | * Select a node from the list of search results. It should be called by an event on the item. 1162 | * @returns {boolean} 1163 | */ 1164 | function nodeResultHandler() { 1165 | var id = this.dataset.id; 1166 | activeStatePlugin.dropNodes(); 1167 | activeStatePlugin.dropEdges(); 1168 | activeStatePlugin.addNodes(id); 1169 | LK.closeTooltip(); 1170 | LK.clearSearch(); 1171 | LK.locateNode(id, { onComplete: function() { 1172 | LK.openNodeTooltip(sigmaInstance.graph.nodes(id)); 1173 | }}); 1174 | return false; 1175 | } 1176 | 1177 | /** 1178 | * Select an edge from the list of search results. It should be called by an event on the item. 1179 | * @returns {boolean} 1180 | */ 1181 | function edgeResultHandler() { 1182 | var id = this.dataset.id; 1183 | activeStatePlugin.dropNodes(); 1184 | activeStatePlugin.dropEdges(); 1185 | activeStatePlugin.addEdges(id); 1186 | LK.closeTooltip(); 1187 | LK.clearSearch(); 1188 | LK.locateEdge(id, { onComplete: function() { 1189 | LK.openEdgeTooltip(sigmaInstance.graph.edges(id)); 1190 | }}); 1191 | return false; 1192 | } 1193 | 1194 | /** 1195 | * Parse the query string and returns an object of parameter<>value. 1196 | * @see http://jsperf.com/querystring-with-javascript 1197 | * @param q 1198 | * @returns {{}} 1199 | */ 1200 | function getQueryString (q) { 1201 | return (function(a) { 1202 | if (a == "") return {}; 1203 | var b = {}; 1204 | for (var i = 0; i < a.length; ++i) { 1205 | var p = a[i].split('='); 1206 | if (p.length != 2) continue; 1207 | b[p[0]] = decodeURIComponent(p[1].replace(/\+/g, " ")); 1208 | } 1209 | return b; 1210 | })(q.split("&")); 1211 | } 1212 | 1213 | /** 1214 | * Handle the onDrop event to either load a graph of a design. 1215 | * @param e 1216 | */ 1217 | function onDropHandler(e) { 1218 | e.preventDefault(); 1219 | e.stopPropagation(); // stop browser from redirecting 1220 | 1221 | for (var i = 0; i < e.dataTransfer.files.length; i++) { 1222 | var file = e.dataTransfer.files[i]; 1223 | var reader = new FileReader(file); 1224 | 1225 | if (file.name.slice(-4) === 'gexf') { 1226 | reader.onload = function(e) { 1227 | designPlugin.reset(); 1228 | var parser = new DOMParser(); 1229 | var domElement = parser.parseFromString(e.target.result, "text/xml"); 1230 | sigma.parsers.gexf( 1231 | domElement, 1232 | sigmaInstance, 1233 | function() { 1234 | // Fix data: 1235 | sigmaInstance.graph.nodes().forEach(function(node) { 1236 | node.size = node.size || 1; 1237 | node.color = node.color || '#ddd'; 1238 | }); 1239 | sigmaInstance.refresh(); 1240 | locatePlugin.center(); 1241 | } 1242 | ); 1243 | LK.dom.hide('#drag-overlay'); 1244 | }; 1245 | reader.readAsText(file); 1246 | } 1247 | else if (file.name.slice(-4) === 'json') { 1248 | reader.onload = function(e) { 1249 | var data = JSON.parse(e.target.result); 1250 | if (data.nodes) { 1251 | // Load graph 1252 | sigmaInstance.graph.clear(); 1253 | designPlugin.reset(); 1254 | sigmaInstance.graph.read(data); 1255 | sigmaInstance.refresh(); 1256 | locatePlugin.center(); 1257 | } 1258 | else { 1259 | LK.setDesign(data.styles, data.palette); 1260 | } 1261 | LK.dom.hide('#drag-overlay'); 1262 | }; 1263 | reader.readAsText(file); 1264 | } 1265 | else { 1266 | console.error('Wrong file type.'); 1267 | } 1268 | } 1269 | } 1270 | 1271 | }).call(this); 1272 | --------------------------------------------------------------------------------