1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
/* archweb.js
* Homepage: https://projects.archlinux.org/archweb.git/
* Copyright: 2011 Dan McGee
* License: GPLv2
*
* This file is part of Archweb.
*
* Archweb is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Archweb is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Archweb. If not, see <http://www.gnu.org/licenses/>.
*/
function packages_treemap(chart_id, orderings, default_order) {
var jq_div = $(chart_id),
color = d3.scale.category20();
var key_func = function(d) { return d.key; };
var value_package_count = function(d) { return d.count; },
value_flagged_count = function(d) { return d.flagged; },
value_compressed_size = function(d) { return d.csize; },
value_installed_size = function(d) { return d.isize; };
/* tag the function so when we display, we can format filesizes */
value_package_count.is_size = value_flagged_count.is_size = false;
value_compressed_size.is_size = value_installed_size.is_size = true;
var treemap = d3.layout.treemap()
.size([jq_div.width(), jq_div.height()])
/*.sticky(true)*/
.value(value_package_count)
.sort(function(a, b) { return a.key < b.key; })
.children(function(d) { return d.data; });
var cell_html = function(d) {
if (d.children) {
return "";
}
var valuefunc = treemap.value();
var value = valuefunc(d);
if (valuefunc.is_size && value !== undefined) {
value = format_filesize(value);
}
return "<span>" + d.name + ": " + value + "</span>";
};
var d3_div = d3.select(jq_div.get(0));
var prop_px = function(prop, offset) {
return function(d) {
var dist = d[prop] + offset;
if (dist > 0) {
return dist + "px";
}
else {
return "0px";
}
};
};
var cell = function() {
/* the -1 offset comes from the border width we use in the CSS */
this.style("left", prop_px("x", 0)).style("top", prop_px("y", 0))
.style("width", prop_px("dx", -1)).style("height", prop_px("dy", -1));
};
var fetch_for_ordering = function(order) {
d3.json(order.url, function(json) {
var nodes = d3_div.data([json]).selectAll("div")
.data(treemap.nodes, key_func);
/* start out new nodes in the center of the picture area */
var w_center = jq_div.width() / 2;
h_center = jq_div.height() / 2;
nodes.enter().append("div")
.attr("class", "treemap-cell")
.attr("title", function(d) { return d.name; })
.style("left", w_center + "px").style("top", h_center + "px")
.style("width", "0px").style("height", "0px")
.style("display", function(d) { return d.children ? "none" : null; })
.html(cell_html);
nodes.transition().duration(1500)
.style("background-color", function(d) { return d.children ? null : color(d[order.color_attr]); })
.call(cell);
nodes.exit().transition().duration(1500).remove();
});
};
/* start the callback for the default order */
fetch_for_ordering(orderings[default_order]);
var make_scale_button = function(name, valuefunc) {
var button_id = chart_id + "-" + name;
/* upon button click, attach new value function and redraw all boxes
* accordingly */
d3.select(button_id).on("click", function() {
d3_div.selectAll("div")
.data(treemap.value(valuefunc), key_func)
.html(cell_html)
.transition().duration(1500).call(cell);
/* drop off the '#' sign to convert id to a class prefix */
d3.selectAll("." + chart_id.substring(1) + "-scaleby")
.classed("active", false);
d3.select(button_id).classed("active", true);
});
};
/* each scale button tweaks our value, e.g. net size function */
make_scale_button("count", value_package_count);
make_scale_button("flagged", value_flagged_count);
make_scale_button("csize", value_compressed_size);
make_scale_button("isize", value_installed_size);
var make_group_button = function(name, order) {
var button_id = chart_id + "-" + name;
d3.select(button_id).on("click", function() {
fetch_for_ordering(order);
/* drop off the '#' sign to convert id to a class prefix */
d3.selectAll("." + chart_id.substring(1) + "-groupby")
.classed("active", false);
d3.select(button_id).classed("active", true);
});
};
$.each(orderings, function(k, v) {
make_group_button(k, v);
});
var resize_timeout = null;
var real_resize = function() {
resize_timeout = null;
d3_div.selectAll("div")
.data(treemap.size([jq_div.width(), jq_div.height()]), key_func)
.call(cell);
};
$(window).resize(function() {
if (resize_timeout) {
clearTimeout(resize_timeout);
}
resize_timeout = setTimeout(real_resize, 200);
});
}
|
