graph-datalet.html
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<!--
@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 : undefined
},
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", "white")
.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('circle').attr("style", function(t){
return "fill :" + (t.image ? 'url(#image_' + t.id +')' : t.color)
});
d3.selectAll(".drag").call(force.drag), this.svg.selectAll("g.node").call(this.text);
},
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.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 - 50, t.x))
}).attr("cy", function (t) {
return t.y = Math.max(8, Math.min(600, 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();
},
/**
* 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");
if(this.graph.nodes.length > 0){
this.graph.nodes[0].x = this.width / 2;
this.graph.nodes[0].y = this.height / 8;
this.buildGraph();
}
}
});
</script>
</dom-module>