2020-06-06 18:41:00 +02:00
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class Archive extends this.OS.application.BaseApplication
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constructor: ( args ) ->
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super "Archive", args
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@currfile = "Untitled".asFileHandle()
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if @args and @args.length > 0 and @args[0].path
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@currfile = args[0].path.asFileHandle()
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main: () ->
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@btadd = @find "btaradd"
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@btdel = @find "btardel"
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@btxtract = @find "btarxtract"
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@filetree = @find "filetree"
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@zip = undefined
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@bindKey "ALT-N", () => @fileMenuHandle "new"
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@bindKey "ALT-O", () => @fileMenuHandle "open"
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@bindKey "CTRL-S", () => @fileMenuHandle "save"
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@bindKey "ALT-S", () => @fileMenuHandle "saveas"
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@btxtract.onbtclick = (e) =>
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item = @filetree.selectedItem
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return @notify __("Please select file/folder to extract") unless item
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treedata = item.data
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@openDialog "FileDialog", { title: __("Select a folder"), mimes: ["dir"] }
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.then (d) =>
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@xtract(treedata, d.file.path)
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.then () => @notify __("extract successful: {0}", treedata.path)
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.catch (e) => @error e.toString(), e
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.catch (e) => @error e.toString(), e
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@btadd.onbtclick = (e) => @actionAdd()
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@btdel.onbtclick = (e) => @actionDel()
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@filetree.contextmenuHandle = (e, m) =>
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item = @filetree.selectedItem
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return unless item
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mdata = [
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{ text: "__(Delete)", onmenuselect: () => @actionDel()},
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{ text: "__(Info)", onmenuselect: () => @actionInfo()}
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]
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if item.data.type is "dir"
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mdata.unshift { text: "__(Add)", onmenuselect: () => @actionAdd() }
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m.items = mdata
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m.show(e)
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@openar(@currfile)
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actionAdd: () ->
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item = @filetree.selectedItem
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return @notify __("Please select a destination folder") unless item and item.data.type is "dir"
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treedata = item.data
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@openDialog "FileDialog", { title: __("Select a file/folder") }
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.then (d) =>
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@addToZip d.file, "#{treedata.path}/#{d.file.path.asFileHandle().basename}"
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.then () =>
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@currfile.dirty = true
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@refreshTreeFile()
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.catch (e) => @error e.toString(), e
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.catch (e) => @error e.toString(), e
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actionDel: () ->
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item = @filetree.selectedItem
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return @notify __("Please select a destination folder") unless item
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treedata = item.data
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return @notify __("You cannot delete the root node") if treedata.root
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@ask {title: "__(Delete)", text: __("Do you really want to delete: {0}?", treedata.text) }
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.then (d) =>
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return unless d
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@zip.remove(treedata.path.trimBy("/"))
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@currfile.dirty = true
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@refreshTreeFile()
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.catch (e) => @error e.toString(), e
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actionInfo: () ->
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item = @filetree.selectedItem
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return @notify __("Please select a file/folder") unless item
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key = item.data.path.trimBy("/")
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key = "#{key}/" if item.data.type is "dir"
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meta = @zip.files[key]
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return @notify __("Cannot get entry meta data") unless meta
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@openDialog "InfoDialog", {
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title: "About: #{meta.name}",
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name: meta.name,
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date: meta.date,
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dir: meta.dir,
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dataBinary: meta._dataBinary,
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size: meta._data.uncompressedSize
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}
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openar: (file) ->
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@zip = undefined
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if file.filename is "Untitled"
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@zip = new JSZip()
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@currfile = file
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@refreshTreeFile()
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else
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# open the file and refresh filetree
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file.read("binary")
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.then (data) =>
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JSZip.loadAsync(data)
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.then (zip) =>
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@zip = zip
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@currfile = file
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@refreshTreeFile()
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.catch (e) =>
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@error __("Wrong zip format: {0}", e.toString()), e
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.catch (e) =>
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@error __("Unable to read archive: {0}", file.path), e
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refreshTreeFile: () ->
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return unless @zip
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treedata = {
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2020-06-22 13:12:33 +02:00
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text: @currfile.filename.trimFromRight(".zip"),
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2020-06-06 18:41:00 +02:00
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type: "dir"
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path: "",
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open: true,
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root: true,
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nodes: []
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}
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for k,v of @zip.files
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leaf = @putFileInTree k.split("/"), treedata
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if not v.dir
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leaf.type = "file"
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delete leaf.nodes
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@filetree.data = treedata
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putFileInTree: (patharr, treedata) ->
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names = (v.text for v in treedata.nodes)
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rep = patharr.shift()
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return treedata unless rep
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if names.includes rep
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@putFileInTree patharr, treedata.nodes[names.indexOf rep]
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else
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subtree = {
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text: rep,
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path: "#{treedata.path}/#{rep}",
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type: "dir",
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nodes: []
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}
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treedata.nodes.push subtree
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return @putFileInTree patharr, subtree
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xtract: (treedata, to) ->
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new Promise (resolve, reject) =>
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if treedata.type is "file"
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@zip.file(treedata.path.trimBy("/"))
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.async("uint8array")
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.then (data) =>
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fp = "#{to}/#{treedata.text}".asFileHandle()
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fp.cache = new Blob([data], { type: "octet/stream" })
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fp.write()
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.then () -> resolve()
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.catch (e) -> reject __e e
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.catch (e) -> reject __e e
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else
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#make the dir before extract
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to.asFileHandle().mk treedata.text
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.then () =>
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nodes = (v for v in treedata.nodes)
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@xtractall nodes, "#{to}/#{treedata.text}"
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.then -> resolve()
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.catch (e) -> reject __e e
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.catch (e) -> reject __e e
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xtractall: (list, to) ->
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new Promise (resolve, reject) =>
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return resolve() if list.length is 0
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el = list.shift()
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@xtract el, to
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.then () =>
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@xtractall list, to
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.then () -> resolve()
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.catch (e) -> reject __e e
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.catch (e) -> reject __e e
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addToZip: (file, to) ->
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new Promise (resolve, reject) =>
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if file.type is "dir"
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file.path.asFileHandle().read().then (data) =>
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return reject __e @throwe data.error if data.error
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@addFilesTozip data.result, to
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.then () -> resolve()
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.catch (e) => reject __e e
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else
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file.path.asFileHandle()
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.read("binary")
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.then (data) =>
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@zip.file(to.trimBy("/"), data, { binary: true })
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resolve()
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.catch (e) -> resolve __e e
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addFilesTozip: (list, to) ->
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new Promise (resolve, reject) =>
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return resolve() if list.length is 0
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el = list.shift()
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@addToZip el, "#{to}/#{el.path.asFileHandle().basename}"
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.then () =>
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@addFilesTozip list, to
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.then () -> resolve()
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.catch (e) -> reject __e e
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.catch (e) -> reject __e e
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saveZipAs: () ->
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@openDialog("FileDialog", {
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title: __("Save as"),
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file: @currfile
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}).then (f) =>
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d = f.file.path.asFileHandle()
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d = d.parent() if f.file.type is "file"
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@currfile.setPath "#{d.path}/#{f.name}"
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@write()
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write: () ->
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return unless @zip and @currfile.path isnt "Untitled"
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@zip .generateAsync({ type: "base64" })
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.then (data) =>
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@currfile
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.setCache(
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"data:application/zip;base64," + data
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)
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.write("base64")
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.then () =>
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@currfile.dirty = false
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@refreshTreeFile()
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@notify __("zip file saved in {0}", @currfile.path)
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.catch (e) => @error __("Unable to save zip file: {0}", @currfile.path)
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fileMenuHandle:(id) ->
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switch id
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when "open"
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@openDialog "FileDialog", { title: __("Select a zip file"), mimes: ["application/zip"] }
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.then (d) =>
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@openar(d.file.path.asFileHandle())
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.catch (e) => @error e.toString(), e
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when "save"
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return @write() if @currfile.path isnt "Untitled"
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@saveZipAs()
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when "saveas"
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@saveZipAs()
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menu: () ->
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[
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{
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text: "__(File)",
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nodes: [
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{ text: "__(New)", id:"new", shortcut: "A-N" },
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{ text: "__(Open)", id:"open", shortcut: "A-O"},
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{ text: "__(Save)", id:"save", shortcut: "C-S"},
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{ text: "__(Save as)", id:"saveas", shortcut: "A-S"}
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],
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onchildselect: (e) => @fileMenuHandle e.data.item.data.id
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}
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]
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cleanup: (e) ->
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return unless @currfile.dirty
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e.preventDefault()
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@ask { title: "__(Quit)", text: "__(Zip file has been modified. Quit without saving?)" }
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.then (d) =>
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return unless d
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@currfile.dirty = false
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@quit()
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Archive.dependencies = [
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"os://scripts/jszip.min.js"
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]
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this.OS.register "Archive", Archive
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