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170 lines
3.7 KiB
HTML
170 lines
3.7 KiB
HTML
<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<script src="{{ url_for("static", filename="js/d3.min.js") }}"></script>
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<script src="{{ url_for("static", filename="js/jquery-3.3.1.min.js") }}"></script>
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<style>
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body{
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width:100%;
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height:100%;
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padding: 0;
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margin:0;
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}
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rect{
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width: 40px;
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height: 40px;
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stroke: black;
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fill: none;
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}
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svg{
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width:100%;
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height:100%;
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padding: 0;
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margin:0;
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}
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.bg{
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fill: blue;
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width: 100%;
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height:100%;
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}
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.no_cover{
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fill: yellow;
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}
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</style>
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</head>
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<body>
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<script>
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// d3.json("/api/books").then(function(data){
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// console.log("loaded");
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// console.log(data)
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// var g = d3.select('body')
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// .append('div')
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// .append('div');
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// g.selectAll("div.item")
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// .data(data.books)
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// .enter()
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// .append("div")
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// .attr("class", "item")
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// .text(function(d){return d.title})
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// .style("position", "absolute")
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// .style("top", function (d) { return d.scapeY})
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// .style("left", function (d) { return d.scapeX})
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//
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// }) //.err(function(err) {console.log("error!", err)})
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d3.json("/api/books").then(function(data){
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console.log("loaded");
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console.log(data)
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var svg = d3.select('body')
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.append('svg');
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var bounds = svg.node().getBoundingClientRect(),
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width = bounds.width, height = bounds.height;
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var bg = svg.append("rect")
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.attr("class", "bg")
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.attr("width", width)
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.attr("height", height)
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.style("pointer-events", "all")
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.call(d3.zoom()
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.scaleExtent([0.1, 6])
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.on("zoom", zoomed));
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function zoomed(){
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g.attr("transform", d3.event.transform);
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}
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var g = svg.append('g');
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var join = g.selectAll("g.item")
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.data(data.books, function (d) { return d.id });
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// process new items (enter)
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join.enter()
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.append("g")
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.attr("class", "item")
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// .text(function(d){return d.title})
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.style("position", "absolute")
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.attr("transform", function (d) { return "translate("+d.scapeX+","+d.scapeY+")"})
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.call(d3.drag()
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.on("start", function(d) {
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svg.selectAll("g.item").sort(function (a, b) { // select the parent and sort the path's
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if (a.id != d.id) return -1; // a is not the hovered element, send "a" to the back
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else return 1; // a is the hovered element, bring "a" to the front
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});
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})
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.on("drag", function(d,i) {
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d.scapeX += d3.event.dx
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d.scapeY += d3.event.dy
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updateDB(d.id, d.scapeX, d.scapeY);
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d3.select(this).attr("transform", function(d,i){
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return "translate(" + [ d.scapeX,d.scapeY ] + ")"
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})})
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);
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var itemLink = g.selectAll("g.item")
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.append("a")
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.attr("xlink:href", function(d){return "/books/"+d.id});
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/*itemLink.append("rect")
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.attr("class", "no_cover")
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.attr('x', 0)
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.attr('y', 0)
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.attr('height', 60)
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.attr('width', 40);*/
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itemLink.append("svg:image")
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.attr("class", "no_cover")
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.attr('x', 0)
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.attr('y', 0)
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.attr('height', 60)
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.attr('width', 40)
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.attr("xlink:href", function(d){if(d.cover!=null) return "/cover/"+d.cover});
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itemLink.append("text")
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.text(function(d){return d.title})
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.attr("x", 0)
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.attr("y", 80)
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.style("font-size", "6px");
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/* .style("font-size", "10px")
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.attr("width", 80);*/
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// update existing elements
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join.transition(1000).attr("transform", function (d) { return "translate("+d.scapeX+","+d.scapeY+")"});
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join.exit().remove();
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function updateDB(id, xPos, yPos){
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var postForm = { //Fetch form data
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'id' : id,
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'x' : xPos, //Store name fields value,
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'y' : yPos
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};
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$.ajax({ //Process the form using $.ajax()
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type : 'POST', //Method type
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url : '/scape', //Your form processing file URL
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data : postForm, //Forms name
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dataType : 'json'
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});
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}
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})
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</script>
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</body>
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</html>
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