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105 lines
2.4 KiB
HTML
105 lines
2.4 KiB
HTML
7 years ago
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<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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<style>
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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: yellow;
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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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}
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.bg{
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fill: blue;
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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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console.log("hello");
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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([1/2, 4])
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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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.append("a")
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.call(d3.drag()
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.container(function(){return this.parentNode})
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.on("start", function(){})
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.on("drag", function(d){
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console.log("dragging", this, d3.event);
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d3.select(this).attr("transform", "translate("+d3.event.x+"," +d3.event.y+")" )
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})
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)
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.attr("xlink:href", function(d){return "/books/"+d.id})
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.append("rect")
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.attr("width", "40")
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.attr("height", "40");
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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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})
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</script>
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</body>
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</html>
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