graph-datalet.html 17.2 KB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410
<!--
@license
    The MIT License (MIT)

    Copyright (c) 2015 Dipartimento di Informatica - Università di Salerno - Italy

    Permission is hereby granted, free of charge, to any person obtaining a copy
    of this software and associated documentation files (the "Software"), to deal
    in the Software without restriction, including without limitation the rights
    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    copies of the Software, and to permit persons to whom the Software is
    furnished to do so, subject to the following conditions:

    The above copyright notice and this permission notice shall be included in
    all copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    THE SOFTWARE.
-->

<!--
* Developed by :
* ROUTE-TO-PA Project - grant No 645860. - www.routetopa.eu
*
-->

<link rel="import" href="../base-datalet/base-datalet.html">
<link rel="import" href="../../bower_components/iron-flex-layout/iron-flex-layout.html">
<link rel="import" href="../../bower_components/paper-dialog/paper-dialog.html">
<link rel="import" href="../../bower_components/paper-fab/paper-fab.html">

<!--
`preview-datalet` is a datalet that allow user to preview the content of a web page. It creates a thumbnail of the site using the data-url attribute passed as input.

Example:

    <preview-datalet data-url="http://spod.routetopa.eu"
    </preview-datalet>


@element preview-datalet
@status beta
@homepage
@group datalets
-->

<dom-module id="graph-datalet">
    <template>

        <link rel="stylesheet" href="static/css/graphStyle.css">

        <style is="custom-style">

            #dialog{
                position: absolute;
                padding: 20px;
                top: 20px;
                right:5%;
            }

            #close{
                position: absolute;
                top: -20px;
                right: 3px;
                --iron-icon-height: 20px;
                --iron-icon-width: 20px;
                width: 24px;
                height: 24px;
                --paper-fab-background:#9e9e9e;
                z-index: 1001;
            }
            #dialog_content{
                padding : 10px;
            }

        </style>

        <div style="align-content: center;overflow: visible" id="graph_content">
            <svg id="sbiricuda"></svg>
        </div>

        <paper-dialog id="dialog">
            <paper-fab id="close" mini icon="close" on-click="_onCloseClick"></paper-fab>
            <h2 id="dialog_title"></h2>
            <div id="dialog_content">cos</div>
        </paper-dialog>

    </template>

    <script src="static/js/d3.v3.js"></script>

    <script>

        _this  = null;

        Polymer({
            is : 'graph-datalet',

            listeners: {
                'graph-datalet_on-node-hover' : '_onNodeHover',
                'graph-datalet_on-node-out' : '_onNodeOut'
            },

            properties: {
                /**
                 * It's the url for the preview
                 *
                 * @attribute url
                 * @type Strig
                 * @default ''
                 */
                graph : {
                    type : Object,
                    value : {}
                },

                gnodes : {
                    type : Array,
                    value : []
                },

                glinks : {
                    type : Array,
                    value : []
                },

                width: {
                    type: Number,
                    value: undefined
                },

                height : {
                    type : Number,
                    value: undefined
                },

                svg: {
                    type: Object,
                    value: undefined
                },
                feelings:{
                    type: Array,
                    values: ["Agree", "Neutral", "Not agree"]
                },

                prev_selected_node : {
                    type : Object,
                    value : null
                }
            },

            buildGraph: function (){

                this.svg = this.svg.append("g")
                                   .call(d3.behavior.zoom().scaleExtent([.25, 20]).on("zoom", this.zoom))
                                   .append("g");

                //set initial zoom
                var scale = (1.0);
                //translate = [(width-scale*width)/2, ((height-scale*height)/4)];
                var translate = [100, 100];
                this.svg.transition()
                        .duration(750)
                        .attr("transform", "translate(" + translate + ")scale(" + scale +    ")")
                        .each("end", function () {
                            d3.behavior.zoom()
                                    .scale(scale)
                                    .translate(translate);
                        });
                //end set initial zoom

                this.svg.append("rect")
                        .attr("fill", "transparent")
                        .attr("width", this.width)
                        .attr("height", this.height);


               /* var graph = {};

                graph.nodes = t.nodes;
                graph.links = t.links;*/

                //pezzotto
                for(var i =0; i < this.graph.nodes.length; i++){
                    this.svg.append("defs")
                               .append("pattern")
                                  .attr("id","image_" + this.graph.nodes[i].id)
                                  .attr("patternUnits","objectBoundingBox")
                                  .attr("height","40")
                                  .attr("width","40")
                                  .append("image")
                                     .attr("x","0")
                                     .attr("y","0")
                                     .attr("height","30")
                                     .attr("width","30")
                                     .attr("xlink:href", this.graph.nodes[i].image);
                }
                //end pezzotto

                force = d3.layout.force().nodes(this.graph.nodes).links(this.graph.links).size([this.width, this.height]).charge(-1e3).friction(.7).linkDistance(function (t)
                {
                    return t.value ? t.value : 80
                }).on("tick", this.tick).start();

                this.glinks = this.svg.selectAll(".link").data(this.graph.links).enter().append("line").attr("class", "link");

                this.svg.selectAll(".link")
                        .attr("style", function(t){
                            return "stroke:" + t.color
                        })
                        .attr("style", function(t){
                            return "stroke-width:" + (t.size ? t.size : 1.0) + "px";
                        });

                this.gnodes = this.svg.selectAll(".node").data(this.graph.nodes).enter().append("g")
                                                                                            .attr("class", function (t) { return t.fixed ? "node fixed" : "node"})
                                                                                            .attr("id", function (t) { return "g" + t.id;})
                                                                                            .attr("name", function (t) { return t.name ? t.name.split(" ").join("_").toLowerCase() : ""})
                                                                                            .on("mouseover", this.mouseover)
                                                                                            .on("mouseout", this.mouseout)
                                                                                            .on("click", this.active)
                                                                                            .append("circle")
                                                                                                .attr("id", function(t){ return t.id;})
                                                                                                .attr("originalId", function (t) { return t.originalId;})
                                                                                                .attr("class", function (t) { return t.fixed ? "" : "drag"})
                                                                                                .attr("r", function (t) {return t.r ? t.r : 15})
                                                                                                .attr("style", function (t) {
                                                                                                    switch(parseInt(t.sentiment)){
                                                                                                        case 1 :
                                                                                                            t.color = "#1F77B4";
                                                                                                            break;
                                                                                                        case 2 :
                                                                                                            t.color = "#2CA02C";
                                                                                                            break;
                                                                                                        case 3:
                                                                                                            t.color = "#D62728";
                                                                                                            break;
                                                                                                        default:
                                                                                                            t.color = "#333";
                                                                                                    }
                                                                                                    return "fill:" + t.color + "; stroke:white"
                                                                                                });

                d3.selectAll(".drag").call(force.drag), this.svg.selectAll("g.node").call(this.text);

                d3.selectAll('circle').attr("style", function(t){
                    return  (t != undefined) ? "fill :" + (t.image ? 'url(#image_' + t.id +')' : t.color) : "";
                });

            },

            zoom: function() {
                _this.svg.attr("transform", "translate(" + d3.event.translate + ")scale(" + d3.event.scale + ")");
            },

            text: function (t)
            {
                var e = t.append("svg:foreignObject").attr("width", 120).attr("height", 30);
                e.attr("style", function (t) {
                    return "color:" + (t.color ? t.color : "#000")
                }).append("xhtml:div").html(function (t) {
                    //return t.fixed ? t.name : null
                    return t.name;
                })
            },

            tick : function () {
                if(_this.gnodes != undefined &&  _this.graph.nodes != undefined && _this.graph.nodes.length > 0)
                {
                    d3.selectAll("g foreignObject").attr("x", function (t) {
                        return t.x + (t.r ? 0.8 * t.r : 15)
                    }).attr("y", function (t) {
                        return t.y - 20
                    });

                    d3.selectAll("#logo text").attr("x", function (t) {
                        return t.x + .7 * (t.r ? t.r : 15)
                    }).attr("y", function (t) {
                        return t.y
                    });


                    _this.gnodes.attr("cx", function (t) {
                        return t.x = Math.max(25, Math.min(_this.width, t.x))
                    }).attr("cy", function (t) {
                        return t.y = Math.max(8, Math.min(_this.height, t.y))
                    });

                    _this.glinks.attr("x1", function (t) {
                        return t.source.x
                    }).attr("y1", function (t) {
                        return t.source.y
                    }).attr("x2", function (t) {
                        return t.target.x
                    }).attr("y2", function (t) {
                        return t.target.y
                    });
                }
            },
            mouseover : function (t) {
                d3.select(this).selectAll("circle").transition().duration(600).ease("elastic")
                   .attr("r", function (t) {
                      return (!t.image) ? 1 == t.fixed ? 1.4 * t.r : t.r + 10 : t.r;
                   });

                _this.$.dialog.close();
                _this.$.dialog_title.innerHTML   = t.name;
                _this.$.dialog_content.innerHTML = t.content;

                _this.$.dialog.open();
            },

            mouseout : function () {
                d3.select(this).selectAll("text").style("visibility", "hidden"), d3.select(this).selectAll("circle").transition().duration(400)
                   .attr("r", function (t) {
                        return t.r ? t.r : 15
                    });

                _this.$.dialog.close();
            },

            active : function (t) {
                if(t.image) return;

                _this.fire('graph-datalet_node-clicked', {node : t});

                if(_this.prev_selected_node != null){
                    _this.prev_selected_node.style.fill = _this.prev_selected_node.style.stroke;
                    _this.prev_selected_node.style.stroke = "#FFFFFF";
                }

                _this.prev_selected_node = document.getElementById("" + t.id);
                _this. prev_selected_node.style.fill   = "#FFFFFF"
                _this.prev_selected_node.style.stroke = t.color;

               /* _this.$.dialog.close();
                _this.$.dialog_title.innerHTML   = t.name;
                _this.$.dialog_content.innerHTML = t.content;

               _this.$.dialog.open();*/
            },

            _onCloseClick : function(){
                //_this.$.dialog.close();
            },

            _onNodeHover : function(e){
                try {
                    var nodeId = $("[originalId=" + e.detail.id + "]")[0].id;
                    var gNode = $("#g" + nodeId)[0];
                    var node = this.graph.nodes[nodeId];

                    d3.select(gNode).selectAll("circle").transition().duration(600).ease("elastic")
                            .attr("r", function (t) {
                                return (!t.image) ? 1 == t.fixed ? 1.4 * t.r : t.r + 10 : t.r;
                            });

                    _this.$.dialog.close();
                    _this.$.dialog_title.innerHTML = node.name;
                    _this.$.dialog_content.innerHTML = node.content;

                    _this.$.dialog.open();
                }catch(e){}

            },

            _onNodeOut : function(e){
                    this.mouseout();
            },

            init : function(){

                if(this.graph.nodes.length > 0){
                    this.graph.nodes[0].x = this.width / 2;
                    this.graph.nodes[0].y = this.height / 8;
                    this.buildGraph();
                }
            },

            /**
             * It is called after the element’s template has been stamped and all elements inside the element’s local
             * DOM have been configured (with values bound from parents, deserialized attributes, or else default values)
             * and had their ready method called.
             *
             * Extract the dataset domain from the entire URL and set the text content of the datalet footer.
             *
             * @method ready
             *
             */
            ready: function(){

                _this = this;


                this.svg = d3.select("svg#sbiricuda").attr("class", "svg").attr({
                    width: "100%",
                    height: "100%"
                }).attr("viewBox", "0 0 " + this.width + " " + this.height)
                        .attr("pointer-events", "all")
                        .attr("style", "transform:translate(0px)")
                        .style("position", "absolute");
            }
        });
    </script>
</dom-module>