forked from AlessandraSozzi's block: D3 drag and drop: manually reorder rows and columns of a matrix
forked from anonymous's block: D3 drag and drop: manually reorder rows and columns of a matrix
Created
January 26, 2018 17:11
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drag rows
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| license: gpl-3.0 |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <head> | |
| <style> | |
| .background { | |
| fill: #fff; | |
| } | |
| rect { | |
| stroke: #fff; | |
| stroke-width: 1; | |
| } | |
| text { | |
| text-shadow: 0 1px 0 #fff, 1px 0 0 #fff, 0 -1px 0 #fff, -1px 0 0 #fff; | |
| cursor: move; | |
| } | |
| </style> | |
| <title> MATRIX DRAG AND DROP </title> | |
| </head> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script> | |
| var margin = {top: 50, right: 30, bottom: 30, left: 50}, | |
| width = 800 - margin.left - margin.right, | |
| height = 800 - margin.top - margin.bottom; | |
| var y = d3.scale.ordinal().rangeBands([0, height],0,1), | |
| x = d3.scale.ordinal().rangeBands([0, width],0,1), | |
| c = d3.scale.category20().domain(d3.range(36)); | |
| var dragging = {}; | |
| var svg = d3.select("body") | |
| .append("svg") | |
| .attr("width", width + margin.left + margin.right) | |
| .attr("height", height + margin.top + margin.bottom) | |
| .style("margin-left", margin.left + "px") | |
| .append("g") | |
| .attr("id", "matrix") | |
| .attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
| var matrixA = [], | |
| nodes = [{"name": "A"}, | |
| {"name": "B"}, | |
| {"name": "C"}, | |
| {"name": "D"}, | |
| ], | |
| n = nodes.length; | |
| nodes.forEach(function(node,i) { | |
| node.index = i; | |
| node.count = 0; | |
| matrixA[i] = d3.range(1).map(function(j) { | |
| return {x: j, y: i, z: 1 + (n * i) + j}; }); | |
| }); | |
| // Default order | |
| var orders = { | |
| name: d3.range(n).sort(function(a, b) { return d3.ascending(nodes[a].name, nodes[b].name); }) | |
| }; | |
| // The default sort order. | |
| y.domain(orders.name); | |
| var row = svg.selectAll(".row") | |
| .data(matrixA) | |
| .enter().append("g") | |
| .attr("class", "row") | |
| .attr("transform", function(d, i) { | |
| return "translate(0," + y(i) + ")"; }) | |
| //.each(row1); | |
| ; | |
| var drag_behavior = d3.behavior.drag(); | |
| var trigger; | |
| d3.selectAll(".row").call(d3.behavior.drag() | |
| .origin(function(d) { | |
| return {y: y(d[0].y)}; | |
| }) | |
| .on("dragstart", function(d) { | |
| trigger = d3.event.sourceEvent.target.className.baseVal; | |
| if (trigger == "label") { | |
| d3.selectAll(".cellrow").attr("opacity", 1); | |
| dragging[d[0].y] = y(d[0].y); | |
| // Move the row that is moving on the front | |
| sel = d3.select(this); | |
| //sel.moveToFront(); | |
| } | |
| }) | |
| .on("drag", function(d) { | |
| // Hide what is in the back | |
| if (trigger == "label") { | |
| d3.selectAll(".cellcolumn").attr("opacity", 0); | |
| dragging[d[0].y] = Math.min(height, Math.max(0, d3.event.y)); | |
| orders.name.sort(function(a, b) { return position(a) - position(b); }); | |
| y.domain(orders.name); | |
| d3.selectAll(".row").attr("transform", function(d, i) { | |
| return "translate(0," + position(d[0].y) + ")"; | |
| }); | |
| } | |
| }) | |
| .on("dragend", function(d) { | |
| if (trigger == "label") { | |
| delete dragging[d[0].y]; | |
| transition(d3.select(this)).attr("transform", "translate(0," + y(d[0].y) + ")"); | |
| d3.selectAll(".column").each(function(d) { | |
| d3.select(this).selectAll(".cellcolumn").attr("x", function(d) { | |
| return -y(d.y)-90; }); | |
| }); | |
| } | |
| }) | |
| ); | |
| row.append("text") | |
| .attr("class", "label") | |
| .attr("x", 140) | |
| .attr("y", y.rangeBand() /10) | |
| .attr("dy", ".32em") | |
| .attr("text-anchor", "end") | |
| .text(function(d, i) { return nodes[i].name; }); | |
| row.append("circle") | |
| .attr("class", "cellrow") | |
| .attr("cx",10) | |
| .attr("r",20) | |
| function row1(row) { | |
| //var cell = d3.select(this).selectAll(".cellrow") | |
| //.data(row.filter(function(d) { | |
| // return d.z; | |
| //})) | |
| //.enter().append("rect") | |
| //.attr("class", "cellrow") | |
| //.attr("x", function(d) { | |
| // return y(d.x); | |
| //}) | |
| //.attr("width", 500) | |
| //.attr("height", y.rangeBand()) | |
| //.style("fill", function(d) { | |
| // return c(d.z); | |
| //}) | |
| ; | |
| } | |
| d3.selection.prototype.moveToFront = function() { | |
| return this.each(function(){ | |
| this.parentNode.appendChild(this); | |
| }); | |
| }; | |
| function position(d) { | |
| var v = dragging[d]; | |
| return v == null ? y(d) : v; | |
| } | |
| //function cPosition(d) { | |
| //var v = dragging[d]; | |
| //return v == null ? x(d) : v; | |
| //} | |
| function transition(g) { | |
| return g.transition().duration(500); | |
| } | |
| </script> | |
| </body> |
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