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Code Issues Releases Wiki Activity

Fixed up the D3 demo plugin

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This commit is contained in:
Jeremy Ruston 2013-10-24 20:45:53 +01:00
parent 3251aa191f
commit a5f5f1bd9c
3 changed files with 207 additions and 154 deletions
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8
nbld.sh
View File

@ -37,6 +37,14 @@ node ./tiddlywiki.js \
--new_rendertiddler $:/core/templates/tiddlywiki5.template.html $TW5_BUILD_OUTPUT/encrypted.html text/plain \
|| exit 1
# Fifth, d3demo.html: wiki to demo d3 plugin
node ./tiddlywiki.js \
./editions/d3demo \
--verbose \
--new_rendertiddler $:/core/templates/tiddlywiki5.template.html $TW5_BUILD_OUTPUT/d3demo.html text/plain \
|| exit 1
# Run tests
./test.sh

157
plugins/tiddlywiki/d3/barwidget.js vendored
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@ -1,7 +1,7 @@
/*\
title: $:/plugins/tiddlywiki/d3/barwidget.js
type: application/javascript
module-type: widget
module-type: new_widget
A widget for displaying stacked or grouped bar charts. Derived from http://bl.ocks.org/mbostock/3943967
@ -12,104 +12,94 @@ A widget for displaying stacked or grouped bar charts. Derived from http://bl.oc
/*global $tw: false */
"use strict";
var d3 = require("$:/plugins/tiddlywiki/d3/d3.js").d3;
var Widget = require("$:/core/modules/new_widgets/widget.js").widget,
d3 = require("$:/plugins/tiddlywiki/d3/d3.js").d3;
var BarWidget = function(renderer) {
// Save state
this.renderer = renderer;
// Generate child nodes
this.generate();
var BarWidget = function(parseTreeNode,options) {
this.initialise(parseTreeNode,options);
};
BarWidget.prototype.generate = function() {
// Get the parameters
this.data = this.renderer.getAttribute("data");
this.grouped = this.renderer.getAttribute("grouped","no");
// Set the return element
this.tag = "div";
this.attributes = {
"class": "tw-barwidget"
};
};
/*
Inherit from the base widget class
*/
BarWidget.prototype = new Widget();
BarWidget.prototype.postRenderInDom = function() {
this.updateChart = this.createChart();
};
BarWidget.prototype.refreshInDom = function(changedAttributes,changedTiddlers) {
// Reexecute the widget if the data reference attributes have changed
if(changedAttributes.data || changedTiddlers[this.data]) {
// Regenerate and rerender the widget and replace the existing DOM node
this.generate();
var oldDomNode = this.renderer.domNode,
newDomNode = this.renderer.renderInDom();
oldDomNode.parentNode.replaceChild(newDomNode,oldDomNode);
} else if(changedAttributes.grouped) {
// Update the chart if the grouping setting has changed
this.grouped = this.renderer.getAttribute("grouped","no");
/*
Render this widget into the DOM
*/
BarWidget.prototype.render = function(parent,nextSibling) {
// Save the parent dom node
this.parentDomNode = parent;
// Compute our attributes
this.computeAttributes();
// Execute our logic
this.execute();
// Create the chart
var chart = this.createChart(parent,nextSibling);
this.updateChart = chart.updateChart;
if(this.updateChart) {
this.updateChart();
}
}
// Insert the chart into the DOM and render any children
parent.insertBefore(chart.domNode,nextSibling);
this.domNodes.push(chart.domNode);
};
BarWidget.prototype.createChart = function() {
var n,m,stack,layers;
BarWidget.prototype.createChart = function(parent,nextSibling) {
// Get the data we're plotting
var data = this.renderer.renderTree.wiki.getTiddlerData(this.data);
var data = this.wiki.getTiddlerData(this.barData),
n,m,stack,layers;
if(data) {
n = data.layers;
m = data.samples;
layers = data.data;
} else {
} else { // Use randomly generated data if we don't have any
n = 4; // number of layers
m = 58; // number of samples per layer
stack = d3.layout.stack();
layers = stack(d3.range(n).map(function() { return bumpLayer(m, .1); }));
}
// Calculate the maximum data values
var yGroupMax = d3.max(layers, function(layer) { return d3.max(layer, function(d) { return d.y; }); }),
yStackMax = d3.max(layers, function(layer) { return d3.max(layer, function(d) { return d.y0 + d.y; }); });
// Calculate margins and width and height
var margin = {top: 40, right: 10, bottom: 20, left: 10},
width = 960 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
// x-scale
var x = d3.scale.ordinal()
.domain(d3.range(m))
.rangeRoundBands([0, width], .08);
// y-scale
var y = d3.scale.linear()
.domain([0, yStackMax])
.range([height, 0]);
// Array of colour values
var color = d3.scale.linear()
.domain([0, n - 1])
.range(["#aad", "#556"]);
// x-axis
var xAxis = d3.svg.axis()
.scale(x)
.tickSize(0)
.tickPadding(6)
.orient("bottom");
var svg = d3.select(this.renderer.domNode).append("svg")
// Create SVG element
var svgElement = d3.select(parent).insert("svg",nextSibling)
.attr("viewBox", "0 0 960 500")
.attr("preserveAspectRatio", "xMinYMin meet")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("height", height + margin.top + margin.bottom);
// Create main group
var mainGroup = svgElement.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
var layer = svg.selectAll(".layer")
// Create the layers
var layer = mainGroup.selectAll(".layer")
.data(layers)
.enter().append("g")
.attr("class", "layer")
.style("fill", function(d, i) { return color(i); });
// Create the rectangles in each layer
var rect = layer.selectAll("rect")
.data(function(d) { return d; })
.enter().append("rect")
@ -117,33 +107,31 @@ BarWidget.prototype.createChart = function() {
.attr("y", height)
.attr("width", x.rangeBand())
.attr("height", 0);
// Transition the rectangles to their final height
rect.transition()
.delay(function(d, i) { return i * 10; })
.attr("y", function(d) { return y(d.y0 + d.y); })
.attr("height", function(d) { return y(d.y0) - y(d.y0 + d.y); });
svg.append("g")
// Add to the DOM
mainGroup.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis);
var self = this,
updateChart = function() {
if (self.grouped !== "no") {
var self = this;
// Return the svg node
return {
domNode: svgElement[0][0],
updateChart: function() {
if (self.barGrouped !== "no") {
transitionGrouped();
} else {
transitionStacked();
}
}
};
// Update the chart according to the grouped setting
updateChart();
// Return the update function
return updateChart;
function transitionGrouped() {
y.domain([0, yGroupMax]);
rect.transition()
.duration(500)
.delay(function(d, i) { return i * 10; })
@ -156,7 +144,6 @@ BarWidget.prototype.createChart = function() {
function transitionStacked() {
y.domain([0, yStackMax]);
rect.transition()
.duration(500)
.delay(function(d, i) { return i * 10; })
@ -169,7 +156,6 @@ BarWidget.prototype.createChart = function() {
// Inspired by Lee Byron's test data generator.
function bumpLayer(n, o) {
function bump(a) {
var x = 1 / (.1 + Math.random()),
y = 2 * Math.random() - .5,
@ -179,13 +165,48 @@ BarWidget.prototype.createChart = function() {
a[i] += x * Math.exp(-w * w);
}
}
var a = [], i;
for (i = 0; i < n; ++i) a[i] = o + o * Math.random();
for (i = 0; i < 5; ++i) bump(a);
return a.map(function(d, i) { return {x: i, y: Math.max(0, d)}; });
}
};
/*
Compute the internal state of the widget
*/
BarWidget.prototype.execute = function() {
// Get the parameters from the attributes
this.barData = this.getAttribute("data");
this.barGrouped = this.getAttribute("grouped","no");
};
/*
Selectively refreshes the widget if needed. Returns true if the widget or any of its children needed re-rendering
*/
BarWidget.prototype.refresh = function(changedTiddlers) {
var changedAttributes = this.computeAttributes();
if(changedAttributes.data || changedTiddlers[this.barData]) {
this.refreshSelf();
return true;
} else if(changedAttributes.grouped) {
this.execute();
if(this.updateChart) {
this.updateChart();
}
return true;
}
return false;
};
/*
Remove any DOM nodes created by this widget or its children
*/
BarWidget.prototype.removeChildDomNodes = function() {
$tw.utils.each(this.domNodes,function(domNode) {
domNode.parentNode.removeChild(domNode);
});
this.domNodes = [];
};
exports.d3bar = BarWidget;

132
plugins/tiddlywiki/d3/cloudwidget.js vendored
View File

@ -1,7 +1,7 @@
/*\
title: $:/plugins/tiddlywiki/d3/cloudwidget.js
type: application/javascript
module-type: widget
module-type: new_widget
A widget for displaying word clouds. Derived from https://github.com/jasondavies/d3-cloud
@ -12,7 +12,8 @@ A widget for displaying word clouds. Derived from https://github.com/jasondavies
/*global $tw: false */
"use strict";
var d3 = require("$:/plugins/tiddlywiki/d3/d3.js").d3;
var Widget = require("$:/core/modules/new_widgets/widget.js").widget,
d3 = require("$:/plugins/tiddlywiki/d3/d3.js").d3;
if($tw.browser) {
// Frightful hack to give the cloud plugin the global d3 variable it needs
@ -20,69 +21,55 @@ if($tw.browser) {
d3.layout.cloud = require("$:/plugins/tiddlywiki/d3/d3.layout.cloud.js").cloud;
}
var CloudWidget = function(renderer) {
// Save state
this.renderer = renderer;
// Generate child nodes
this.generate();
var CloudWidget = function(parseTreeNode,options) {
this.initialise(parseTreeNode,options);
};
CloudWidget.prototype.generate = function() {
// Get the parameters
this.data = this.renderer.getAttribute("data");
this.spiral = this.renderer.getAttribute("spiral","archimedean");
// Set the return element
this.tag = "div";
this.attributes = {
"class": "tw-cloudwidget"
};
};
/*
Inherit from the base widget class
*/
CloudWidget.prototype = new Widget();
CloudWidget.prototype.postRenderInDom = function() {
this.updateChart = this.createChart();
};
CloudWidget.prototype.refreshInDom = function(changedAttributes,changedTiddlers) {
// Reexecute the widget if the data reference attributes have changed
if(changedAttributes.data || changedTiddlers[this.data]) {
// Regenerate and rerender the widget and replace the existing DOM node
this.generate();
var oldDomNode = this.renderer.domNode,
newDomNode = this.renderer.renderInDom();
oldDomNode.parentNode.replaceChild(newDomNode,oldDomNode);
} else if(changedAttributes.spiral) {
// Update the chart if the spiral setting has changed
this.spiral = this.renderer.getAttribute("spiral","archimedean");
/*
Render this widget into the DOM
*/
CloudWidget.prototype.render = function(parent,nextSibling) {
// Save the parent dom node
this.parentDomNode = parent;
// Compute our attributes
this.computeAttributes();
// Execute our logic
this.execute();
// Create the chart
var chart = this.createChart(parent,nextSibling);
this.updateChart = chart.updateChart;
if(this.updateChart) {
this.updateChart();
}
}
// Insert the chart into the DOM and render any children
parent.insertBefore(chart.domNode,nextSibling);
this.domNodes.push(chart.domNode);
};
CloudWidget.prototype.createChart = function() {
var self = this;
var domNode = this.renderer.domNode;
var fill = d3.scale.category20();
var data = this.renderer.renderTree.wiki.getTiddlerData(this.data);
if(!data) {
CloudWidget.prototype.createChart = function(parent,nextSibling) {
var self = this,
fill = d3.scale.category20(),
data = this.wiki.getTiddlerData(this.cloudData);
// Use dummy data if none provided
if(!data) {
data = "This word cloud does not have any data in it".split(" ").map(function(d) {
return {text: d, size: 10 + Math.random() * 90};
})
});
}
var svg = d3.select(domNode).append("svg")
// Create the svg element
var svgElement = d3.select(parent).insert("svg",nextSibling)
.attr("width", 600)
.attr("height", 400)
.attr("height", 400);
// Create the main group
var mainGroup = svgElement
.append("g")
.attr("transform", "translate(300,200)");
// Create the layout
var layout = d3.layout.cloud().size([600, 400])
.words(data)
.padding(5)
@ -91,9 +78,9 @@ CloudWidget.prototype.createChart = function() {
.fontSize(function(d) { return d.size*2; })
.on("end", draw)
.start();
// Function to draw all the words
function draw(words) {
svg.selectAll("text")
mainGroup.selectAll("text")
.data(words)
.enter().append("text")
.style("font-size", function(d) { return d.size + "px"; })
@ -105,13 +92,50 @@ CloudWidget.prototype.createChart = function() {
})
.text(function(d) { return d.text; });
}
function updateChart() {
layout.spiral(self.spiral);
}
return {
domNode: svgElement[0][0],
updateChart: updateChart
};
};
return updateChart;
/*
Compute the internal state of the widget
*/
CloudWidget.prototype.execute = function() {
// Get the parameters from the attributes
this.cloudData = this.getAttribute("data");
this.cloudSpiral = this.getAttribute("spiral","archimedean");
};
/*
Selectively refreshes the widget if needed. Returns true if the widget or any of its children needed re-rendering
*/
CloudWidget.prototype.refresh = function(changedTiddlers) {
var changedAttributes = this.computeAttributes();
if(changedAttributes.data || changedTiddlers[this.cloudData]) {
this.refreshSelf();
return true;
} else if(changedAttributes.spiral) {
this.execute();
if(this.updateChart) {
this.updateChart();
}
return true;
}
return false;
};
/*
Remove any DOM nodes created by this widget or its children
*/
CloudWidget.prototype.removeChildDomNodes = function() {
$tw.utils.each(this.domNodes,function(domNode) {
domNode.parentNode.removeChild(domNode);
});
this.domNodes = [];
};
exports.d3cloud = CloudWidget;