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browse.py
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browse.py
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#!/usr/bin/python
#
# browse.py - Browse instruments by category.
#
# PatchesDB
# Copyright (C) 2005-2007 Josh Green <jgreen@users.sourceforge.net>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; version 2
# of the License only.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA or point your web browser to http://www.gnu.org.
import string
import InstDB
# Image sizes, keep synchronized with actual image sizes
image_sizes = {
"Brass" : [180, 64],
"Chromatic Percussion" : [160, 70],
"Collection" : [80, 60],
"Effects" : [84, 49],
"Ensemble" : [140, 100],
"Ethnic" : [200, 160],
"Guitar" : [70, 180],
"Miscellaneous" : [140, 91],
"Organ" : [180, 150],
"Percussion" : [210, 140],
"Piano" : [160, 160],
"Strings" : [200, 91],
"Synth" : [156, 80],
"Unknown" : [80, 75],
"Wind" : [140, 90]
}
def action (req, fields):
req.write (InstDB.header ("Browse by Category"))
# Get count of active patch files for primary category
InstDB.Cur.execute ("SELECT CategoryId, COUNT(*) AS UseCount FROM PatchInfo"
+ " WHERE State='Active' GROUP BY CategoryId")
UseCounts = {}
for row in InstDB.Cur.fetchall ():
UseCounts[row["CategoryId"]] = row["UseCount"]
# Get count of active patch files for secondary category
InstDB.Cur.execute ("SELECT CategoryId2, COUNT(*) AS UseCount"
" FROM PatchInfo WHERE CategoryId2 != 0"
" && State='Active' GROUP BY CategoryId2")
for row in InstDB.Cur.fetchall ():
oldcount = UseCounts.get (row["CategoryId2"], 0)
UseCounts[row["CategoryId2"]] = oldcount + row["UseCount"]
# Get count of active patch files for 3rd category
InstDB.Cur.execute ("SELECT CategoryId3, COUNT(*) AS UseCount"
" FROM PatchInfo WHERE CategoryId3 != 0"
" && State='Active' GROUP BY CategoryId3")
for row in InstDB.Cur.fetchall ():
oldcount = UseCounts.get (row["CategoryId3"], 0)
UseCounts[row["CategoryId3"]] = oldcount + row["UseCount"]
# Select all categories (including sub categories)
InstDB.Cur.execute ("SELECT CategoryId, CategoryName FROM Category"
" ORDER BY CategoryName")
req.write ("<table border=0 cellpadding=4 cellspacing=0>\n")
# Loop over categories, displaying only master categories and summing
# sub category use counts
count = 0
dispcount = 0
rows = InstDB.Cur.fetchall ()
for i in range (0, len (rows)):
row = rows[i]
# Next row or None if last
if i + 1 < len (rows): nextRow = rows[i+1]
else: nextRow = None
# Store ID and name of master category
if string.find (row["CategoryName"], ':') == -1:
id = row["CategoryId"]
name = row["CategoryName"]
count += UseCounts.get (row["CategoryId"], 0)
# Next row is a sub category? - yes: still processing a master category
if nextRow and string.find (nextRow["CategoryName"], ':') != -1:
continue
if dispcount % 4 == 0:
if dispcount != 0: req.write ("</tr>\n")
req.write ("<tr>\n")
(width, height) = image_sizes.get (name, [100, 100])
req.write ("""\
<td align="center">
<a href="patches.py?Action=list&Category=%s">
<img src="images/category/%s.png" alt="Category Image" border=0 width=%d height=%d><br>
<b>%s</b> (%d)
</a>
</td>
""" % (id, name, width, height, name, count))
count = 0
dispcount += 1
if dispcount % 4 != 1: req.write ("</tr>\n")
req.write ("</table>")
req.write (InstDB.footer ())