mirror of https://github.com/koreader/koreader
Merge branch 'searcher'
Qingping Hou
12 years ago
commit
29a3b123c1
@ -0,0 +1,232 @@
|
||||
require "rendertext"
|
||||
require "keys"
|
||||
require "graphics"
|
||||
|
||||
FileSearcher = {
|
||||
-- font for displaying file/dir names
|
||||
face = freetype.newBuiltinFace("sans", 25),
|
||||
fhash = "s25",
|
||||
-- font for page title
|
||||
tface = freetype.newBuiltinFace("Helvetica-BoldOblique", 32),
|
||||
tfhash = "hbo32",
|
||||
-- font for paging display
|
||||
sface = freetype.newBuiltinFace("sans", 16),
|
||||
sfhash = "s16",
|
||||
-- title height
|
||||
title_H = 45,
|
||||
-- spacing between lines
|
||||
spacing = 40,
|
||||
-- foot height
|
||||
foot_H = 27,
|
||||
|
||||
-- state buffer
|
||||
dirs = {},
|
||||
files = {},
|
||||
result = {},
|
||||
items = 0,
|
||||
page = 0,
|
||||
current = 1,
|
||||
oldcurrent = 1,
|
||||
}
|
||||
|
||||
function FileSearcher:readdir()
|
||||
self.dirs = {self.path}
|
||||
self.files = {}
|
||||
while #self.dirs ~= 0 do
|
||||
new_dirs = {}
|
||||
-- handle each dir
|
||||
for __, d in pairs(self.dirs) do
|
||||
-- handle files in d
|
||||
for f in lfs.dir(d) do
|
||||
if lfs.attributes(self.path.."/"..f, "mode") == "directory"
|
||||
and f ~= "." and f~= ".." and not string.match(f, "^%.[^.]") then
|
||||
table.insert(new_dirs, d.."/"..f)
|
||||
elseif string.match(f, ".+%.[pP][dD][fF]$") then
|
||||
file_entry = {dir=d, name=f,}
|
||||
table.insert(self.files, file_entry)
|
||||
--print("file:"..d.."/"..f)
|
||||
end
|
||||
end
|
||||
end
|
||||
self.dirs = new_dirs
|
||||
end
|
||||
end
|
||||
|
||||
function FileSearcher:setPath(newPath)
|
||||
self.path = newPath
|
||||
self:readdir()
|
||||
self.items = #self.files
|
||||
--@TODO check none found 19.02 2012
|
||||
if self.items == 0 then
|
||||
return nil
|
||||
end
|
||||
self.page = 1
|
||||
self.current = 1
|
||||
return true
|
||||
end
|
||||
|
||||
function FileSearcher:setSearchResult(keywords)
|
||||
self.result = {}
|
||||
if keywords == " " then -- one space to show all files
|
||||
self.result = self.files
|
||||
else
|
||||
for __,f in pairs(self.files) do
|
||||
if string.find(string.lower(f.name), keywords) then
|
||||
table.insert(self.result, f)
|
||||
end
|
||||
end
|
||||
end
|
||||
self.items = #self.result
|
||||
self.page = 1
|
||||
self.current = 1
|
||||
end
|
||||
|
||||
function FileSearcher:init(search_path)
|
||||
if search_path then
|
||||
self:setPath(search_path)
|
||||
else
|
||||
self:setPath("/mnt/us/documents")
|
||||
end
|
||||
end
|
||||
|
||||
|
||||
function FileSearcher:choose(ypos, height, keywords)
|
||||
local perpage = math.floor(height / self.spacing) - 2
|
||||
local pagedirty = true
|
||||
local markerdirty = false
|
||||
|
||||
local prevItem = function ()
|
||||
if self.current == 1 then
|
||||
if self.page > 1 then
|
||||
self.current = perpage
|
||||
self.page = self.page - 1
|
||||
pagedirty = true
|
||||
end
|
||||
else
|
||||
self.current = self.current - 1
|
||||
markerdirty = true
|
||||
end
|
||||
end
|
||||
|
||||
local nextItem = function ()
|
||||
if self.current == perpage then
|
||||
if self.page < (self.items / perpage) then
|
||||
self.current = 1
|
||||
self.page = self.page + 1
|
||||
pagedirty = true
|
||||
end
|
||||
else
|
||||
if self.page ~= math.floor(self.items / perpage) + 1
|
||||
or self.current + (self.page-1)*perpage < self.items then
|
||||
self.current = self.current + 1
|
||||
markerdirty = true
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
self:setSearchResult(keywords)
|
||||
|
||||
while true do
|
||||
if pagedirty then
|
||||
markerdirty = true
|
||||
fb.bb:paintRect(0, ypos, fb.bb:getWidth(), height, 0)
|
||||
|
||||
-- draw menu title
|
||||
renderUtf8Text(fb.bb, 30, ypos + self.title_H, self.tface, self.tfhash,
|
||||
"Search Result for: "..keywords, true)
|
||||
|
||||
-- draw results
|
||||
local c
|
||||
if self.items == 0 then -- nothing found
|
||||
y = ypos + self.title_H + self.spacing * 2
|
||||
renderUtf8Text(fb.bb, 20, y, self.face, self.fhash,
|
||||
"Sorry, your keyword did not match any documents.", true)
|
||||
renderUtf8Text(fb.bb, 20, y + self.spacing, self.face, self.fhash,
|
||||
"Please try a different keyword.", true)
|
||||
markerdirty = false
|
||||
else -- found something, draw it
|
||||
for c = 1, perpage do
|
||||
local i = (self.page - 1) * perpage + c
|
||||
if i <= self.items then
|
||||
y = ypos + self.title_H + (self.spacing * c)
|
||||
renderUtf8Text(fb.bb, 50, y, self.face, self.fhash,
|
||||
self.result[i].name, true)
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
-- draw footer
|
||||
y = ypos + self.title_H + (self.spacing * perpage) + self.foot_H
|
||||
x = (fb.bb:getWidth() / 2) - 50
|
||||
all_page = (math.floor(self.items / perpage)+1)
|
||||
renderUtf8Text(fb.bb, x, y, self.sface, self.sfhash,
|
||||
"Page "..self.page.." of "..all_page, true)
|
||||
end
|
||||
|
||||
if markerdirty then
|
||||
if not pagedirty then
|
||||
if self.oldcurrent > 0 then
|
||||
y = ypos + self.title_H + (self.spacing * self.oldcurrent) + 10
|
||||
fb.bb:paintRect(30, y, fb.bb:getWidth() - 60, 3, 0)
|
||||
fb:refresh(1, 30, y, fb.bb:getWidth() - 60, 3)
|
||||
end
|
||||
end
|
||||
-- draw new marker line
|
||||
y = ypos + self.title_H + (self.spacing * self.current) + 10
|
||||
fb.bb:paintRect(30, y, fb.bb:getWidth() - 60, 3, 15)
|
||||
if not pagedirty then
|
||||
fb:refresh(1, 30, y, fb.bb:getWidth() - 60, 3)
|
||||
end
|
||||
self.oldcurrent = self.current
|
||||
markerdirty = false
|
||||
end
|
||||
|
||||
if pagedirty then
|
||||
fb:refresh(0, 0, ypos, fb.bb:getWidth(), height)
|
||||
pagedirty = false
|
||||
end
|
||||
|
||||
local ev = input.waitForEvent()
|
||||
if ev.type == EV_KEY and ev.value == EVENT_VALUE_KEY_PRESS then
|
||||
if ev.code == KEY_FW_UP then
|
||||
prevItem()
|
||||
elseif ev.code == KEY_FW_DOWN then
|
||||
nextItem()
|
||||
elseif ev.code == KEY_PGFWD then
|
||||
if self.page < (self.items / perpage) then
|
||||
if self.current + self.page*perpage > self.items then
|
||||
self.current = self.items - self.page*perpage
|
||||
end
|
||||
self.page = self.page + 1
|
||||
pagedirty = true
|
||||
else
|
||||
self.current = self.items - (self.page-1)*perpage
|
||||
markerdirty = true
|
||||
end
|
||||
elseif ev.code == KEY_PGBCK then
|
||||
if self.page > 1 then
|
||||
self.page = self.page - 1
|
||||
pagedirty = true
|
||||
else
|
||||
self.current = 1
|
||||
markerdirty = true
|
||||
end
|
||||
elseif ev.code == KEY_S then
|
||||
old_keywords = keywords
|
||||
keywords = InputBox:input(height-100, 100, "Search:", old_keywords)
|
||||
if keywords then
|
||||
self:setSearchResult(keywords)
|
||||
else
|
||||
keywords = old_keywords
|
||||
end
|
||||
pagedirty = true
|
||||
elseif ev.code == KEY_ENTER or ev.code == KEY_FW_PRESS then
|
||||
-- return full file path
|
||||
file_entry = self.files[perpage*(self.page-1)+self.current]
|
||||
return file_entry.dir .. "/" .. file_entry.name
|
||||
elseif ev.code == KEY_BACK then
|
||||
return nil
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
@ -0,0 +1,172 @@
|
||||
require "rendertext"
|
||||
require "keys"
|
||||
require "graphics"
|
||||
|
||||
InputBox = {
|
||||
-- Class vars:
|
||||
input_start_x = 145,
|
||||
input_start_y = nil,
|
||||
input_cur_x = nil, -- points to the start of next input pos
|
||||
|
||||
input_bg = 1,
|
||||
|
||||
input_string = "",
|
||||
|
||||
-- font for displaying input content
|
||||
face = freetype.newBuiltinFace("mono", 25),
|
||||
fhash = "m25",
|
||||
fheight = 25,
|
||||
fwidth = 16,
|
||||
}
|
||||
|
||||
function InputBox:setDefaultInput(text)
|
||||
self.input_string = ""
|
||||
self:addString(text)
|
||||
--renderUtf8Text(fb.bb, self.input_start_x, self.input_start_y,
|
||||
--self.face, self.fhash, text, true)
|
||||
--self.input_cur_x = self.input_start_x + (string.len(text) * self.fwidth)
|
||||
--self.input_string = text
|
||||
end
|
||||
|
||||
function InputBox:addString(str)
|
||||
for i = 1, #str do
|
||||
self:addChar(str:sub(i,i))
|
||||
end
|
||||
end
|
||||
|
||||
function InputBox:addChar(char)
|
||||
renderUtf8Text(fb.bb, self.input_cur_x, self.input_start_y, self.face, self.fhash,
|
||||
char, true)
|
||||
fb:refresh(1, self.input_cur_x, self.input_start_y-19, self.fwidth, self.fheight)
|
||||
self.input_cur_x = self.input_cur_x + self.fwidth
|
||||
self.input_string = self.input_string .. char
|
||||
end
|
||||
|
||||
function InputBox:delChar()
|
||||
if self.input_start_x == self.input_cur_x then
|
||||
return
|
||||
end
|
||||
self.input_cur_x = self.input_cur_x - self.fwidth
|
||||
--fill last character with blank rectangle
|
||||
fb.bb:paintRect(self.input_cur_x, self.input_start_y-19,
|
||||
self.fwidth, self.fheight, self.input_bg)
|
||||
fb:refresh(1, self.input_cur_x, self.input_start_y-19, self.fwidth, self.fheight)
|
||||
self.input_string = self.input_string:sub(0,-2)
|
||||
end
|
||||
|
||||
function InputBox:drawBox(ypos, w, h, title)
|
||||
-- draw input border
|
||||
fb.bb:paintRect(20, ypos, w, h, 5)
|
||||
-- draw input slot
|
||||
fb.bb:paintRect(140, ypos + 10, w - 130, h - 20, self.input_bg)
|
||||
-- draw input title
|
||||
renderUtf8Text(fb.bb, 35, self.input_start_y, self.face, self.fhash,
|
||||
title, true)
|
||||
end
|
||||
|
||||
|
||||
--[[
|
||||
|| d_text default to nil (used to set default text in input slot)
|
||||
--]]
|
||||
function InputBox:input(ypos, height, title, d_text)
|
||||
local pagedirty = true
|
||||
-- do some initilization
|
||||
self.input_start_y = ypos + 35
|
||||
self.input_cur_x = self.input_start_x
|
||||
|
||||
if d_text then -- if specified default text, draw it
|
||||
w = fb.bb:getWidth() - 40
|
||||
h = height - 45
|
||||
self:drawBox(ypos, w, h, title)
|
||||
self:setDefaultInput(d_text)
|
||||
fb:refresh(1, 20, ypos, w, h)
|
||||
pagedirty = false
|
||||
else -- otherwise, leave the draw task to the main loop
|
||||
self.input_string = ""
|
||||
end
|
||||
|
||||
while true do
|
||||
if pagedirty then
|
||||
w = fb.bb:getWidth() - 40
|
||||
h = height - 45
|
||||
self:drawBox(ypos, w, h, title)
|
||||
fb:refresh(1, 20, ypos, w, h)
|
||||
pagedirty = false
|
||||
end
|
||||
|
||||
local ev = input.waitForEvent()
|
||||
if ev.type == EV_KEY and ev.value == EVENT_VALUE_KEY_PRESS then
|
||||
print("key code:"..ev.code)
|
||||
--ev.code = adjustFWKey(ev.code)
|
||||
if ev.code == KEY_FW_UP then
|
||||
elseif ev.code == KEY_FW_DOWN then
|
||||
elseif ev.code == KEY_A then
|
||||
self:addChar("a")
|
||||
elseif ev.code == KEY_B then
|
||||
self:addChar("b")
|
||||
elseif ev.code == KEY_C then
|
||||
self:addChar("c")
|
||||
elseif ev.code == KEY_D then
|
||||
self:addChar("d")
|
||||
elseif ev.code == KEY_E then
|
||||
self:addChar("e")
|
||||
elseif ev.code == KEY_F then
|
||||
self:addChar("f")
|
||||
elseif ev.code == KEY_G then
|
||||
self:addChar("g")
|
||||
elseif ev.code == KEY_H then
|
||||
self:addChar("h")
|
||||
elseif ev.code == KEY_I then
|
||||
self:addChar("i")
|
||||
elseif ev.code == KEY_J then
|
||||
self:addChar("j")
|
||||
elseif ev.code == KEY_K then
|
||||
self:addChar("k")
|
||||
elseif ev.code == KEY_L then
|
||||
self:addChar("l")
|
||||
elseif ev.code == KEY_M then
|
||||
self:addChar("m")
|
||||
elseif ev.code == KEY_N then
|
||||
self:addChar("n")
|
||||
elseif ev.code == KEY_O then
|
||||
self:addChar("o")
|
||||
elseif ev.code == KEY_P then
|
||||
self:addChar("p")
|
||||
elseif ev.code == KEY_Q then
|
||||
self:addChar("q")
|
||||
elseif ev.code == KEY_R then
|
||||
self:addChar("r")
|
||||
elseif ev.code == KEY_S then
|
||||
self:addChar("s")
|
||||
elseif ev.code == KEY_T then
|
||||
self:addChar("t")
|
||||
elseif ev.code == KEY_U then
|
||||
self:addChar("u")
|
||||
elseif ev.code == KEY_V then
|
||||
self:addChar("v")
|
||||
elseif ev.code == KEY_W then
|
||||
self:addChar("w")
|
||||
elseif ev.code == KEY_X then
|
||||
self:addChar("x")
|
||||
elseif ev.code == KEY_Y then
|
||||
self:addChar("y")
|
||||
elseif ev.code == KEY_Z then
|
||||
self:addChar("z")
|
||||
elseif ev.code == KEY_SPACE then
|
||||
self:addChar(" ")
|
||||
elseif ev.code == KEY_PGFWD then
|
||||
elseif ev.code == KEY_PGBCK then
|
||||
elseif ev.code == KEY_ENTER or ev.code == KEY_FW_PRESS then
|
||||
if self.input_string == "" then
|
||||
return nil
|
||||
else
|
||||
return self.input_string
|
||||
end
|
||||
elseif ev.code == KEY_DEL then
|
||||
self:delChar()
|
||||
elseif ev.code == KEY_BACK then
|
||||
return nil
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
Loading…
Reference in New Issue