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notify empty jump history in crereader with dialog

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This commit is contained in:
Qingping Hou
2012-04-17 14:39:17 +08:00
parent 0075580b09
commit 00343a887c
1 changed files with 15 additions and 10 deletions
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25
crereader.lua
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@@ -181,17 +181,22 @@ function CREReader:showJumpStack()
v.datetime.." -> page "..
(self.doc:getPageFromXPointer(v.page)).." "..v.notes)
end
jump_menu = SelectMenu:new{
menu_title = "Jump Keeper (current page: "..self.pageno..")",
item_array = menu_items,
no_item_msg = "No jump history.",
}
item_no = jump_menu:choose(0, fb.bb:getHeight())
if item_no then
local jump_item = self.jump_stack[item_no]
self:goto(jump_item.page, "xpointer")
if #menu_items == 0 then
showInfoMsgWithDelay(
"No jump history found.", 2000, 1)
else
self:redrawCurrentPage()
jump_menu = SelectMenu:new{
menu_title = "Jump Keeper (current page: "..self.pageno..")",
item_array = menu_items,
}
item_no = jump_menu:choose(0, fb.bb:getHeight())
if item_no then
local jump_item = self.jump_stack[item_no]
self:goto(jump_item.page, "xpointer")
else
self:redrawCurrentPage()
end
end
end