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finished search feature!

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This commit is contained in:
Qingping Hou
2012-02-19 14:41:44 +08:00
parent f9804a1c92
commit 060ad5cb01
3 changed files with 111 additions and 74 deletions
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10
filechooser.lua
View File

@@ -190,8 +190,14 @@ function FileChooser:choose(ypos, height)
elseif ev.code == KEY_S then
-- invoke search input
keywords = InputBox:input(height-100, 100, "Search:")
if keywords then
-- display search result according to keywords
if keywords then -- display search result according to keywords
--[[
----------------------------------------------------------------
|| uncomment following line and set the correct path if you want
|| to test search feature in EMU mode
----------------------------------------------------------------
--]]
--FileSearcher:init("/home/dave/documents/kindle/backup/documents")
FileSearcher:init()
file = FileSearcher:choose(ypos, height, keywords)
if file then

67
filesearcher.lua
View File

@@ -19,18 +19,13 @@ FileSearcher = {
-- foot height
foot_H = 27,
x_input = 50,
-- state buffer
dirs = {},
files = {},
result = {},
fonts = {"sans", "cjk", "mono",
"Courier", "Courier-Bold", "Courier-Oblique", "Courier-BoldOblique",
"Helvetica", "Helvetica-Oblique", "Helvetica-BoldOblique",
"Times-Roman", "Times-Bold", "Times-Italic", "Times-BoldItalic",},
items = 14,
page = 1,
current = 2,
items = 0,
page = 0,
current = 1,
oldcurrent = 1,
}
@@ -71,16 +66,27 @@ function FileSearcher:setPath(newPath)
end
function FileSearcher:setSearchResult(keywords)
self.result = self.files
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(keywords)
self:setPath("/home/dave/documents/kindle/backup/documents")
self:setSearchResult(keywords)
--@TODO check this 17.02 2012
function FileSearcher:init(search_path)
if search_path then
self:setPath(search_path)
else
self:setPath("/mnt/us/documents")
end
end
@@ -118,23 +124,34 @@ function FileSearcher:choose(ypos, height, keywords)
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)
"Search Result for: "..keywords, true)
-- draw results
local c
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)
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
@@ -144,7 +161,6 @@ function FileSearcher:choose(ypos, height, keywords)
all_page = (math.floor(self.items / perpage)+1)
renderUtf8Text(fb.bb, x, y, self.sface, self.sfhash,
"Page "..self.page.." of "..all_page, true)
markerdirty = true
end
if markerdirty then
@@ -196,7 +212,14 @@ function FileSearcher:choose(ypos, height, keywords)
markerdirty = true
end
elseif ev.code == KEY_S then
input = InputBox:input(height-100, 100)
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]

108
inputbox.lua
View File

@@ -4,84 +4,92 @@ require "graphics"
InputBox = {
-- Class vars:
-- font for displaying input content
face = freetype.newBuiltinFace("mono", 25),
fhash = "m25",
fheight = 25,
-- font for input title display
tface = freetype.newBuiltinFace("sans", 28),
tfhash = "s28",
-- spacing between lines
spacing = 40,
input_start_x = 145,
input_start_y = nil,
input_cur_x = nil,
input_cur_x = nil, -- points to the start of next input pos
input_bg = 1,
input_string = "",
-- state buffer
dirs = nil,
files = nil,
items = 0,
path = "",
page = 1,
current = 1,
oldcurrent = 0,
-- font for displaying input content
face = freetype.newBuiltinFace("mono", 25),
fhash = "m25",
fheight = 25,
fwidth = 16,
}
function InputBox:setPath(newPath)
self.path = newPath
self:readdir()
self.items = #self.dirs + #self.files
if self.items == 0 then
return nil
end
self.page = 1
self.current = 1
return true
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:addChar(text)
renderUtf8Text(fb.bb, self.input_cur_x, self.input_start_y,
self.face, self.fhash, text, true)
fb:refresh(1, self.input_cur_x, self.input_start_y-19, 16, self.fheight)
self.input_cur_x = self.input_cur_x + 16
self.input_string = self.input_string .. text
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 - 16
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, 16, self.fheight, self.input_bg)
fb:refresh(1, self.input_cur_x, self.input_start_y-19, 16, self.fheight)
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:input(ypos, height, title)
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
-- 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)
renderUtf8Text(fb.bb, 35, self.input_start_y, self.face, self.fhash,
title, true)
markerdirty = true
end
if pagedirty then
self:drawBox(ypos, w, h, title)
fb:refresh(1, 20, ypos, w, h)
pagedirty = false
end