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Prettify filesizes in package visualization chart

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Add a general purpose formatter and mark up each value function with an
'is_size' attribute so we can add additional display formatting if asked
for.

Signed-off-by: Dan McGee <dan@archlinux.org>
This commit is contained in:
Dan McGee 2011-10-27 12:06:47 -05:00
parent 2c8b7ad07b
commit f5c7b419cd
2 changed files with 34 additions and 5 deletions
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17
media/archweb.js
View File

@ -232,3 +232,20 @@ function signoff_package() {
});
return false;
}
/* visualizations */
function format_filesize(size, decimals) {
/*var labels = ['B', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB'];*/
var labels = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
var label = 0;
while (size > 2048.0 && label < labels.length - 1) {
label++;
size /= 1024.0;
}
if (decimals === undefined) {
decimals = 2;
}
return size.toFixed(decimals) + ' ' + labels[label];
}

22
media/visualize.js
View File

@ -2,7 +2,14 @@ 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; };
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()])
@ -15,7 +22,12 @@ function packages_treemap(chart_id, orderings, default_order) {
if (d.children) {
return "";
}
return "<span>" + d.name + ": " + treemap.value()(d) + "</span>";
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));
@ -81,9 +93,9 @@ function packages_treemap(chart_id, orderings, default_order) {
/* each scale button tweaks our value, e.g. net size function */
make_scale_button("count", value_package_count);
make_scale_button("flagged", function(d) { return d.flagged; });
make_scale_button("csize", function(d) { return d.csize; });
make_scale_button("isize", function(d) { return d.isize; });
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;