antosdk-apps/VizApp/coffees/main.coffee

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2020-11-29 23:10:42 +01:00
# Copyright 2020 Xuan Sang LE <xsang.le AT gmail DOT com>
# AnTOS Web desktop is is licensed under the GNU General Public
# License v3.0, see the LICENCE file for more information
# 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, either version 3 of
# the License, or (at your option) any later version.
# 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, see https://www.gnu.org/licenses/.
class VizApp extends this.OS.application.BaseApplication
constructor: ( args ) ->
super "VizApp", args
main: () ->
@currfile = if @args and @args.length > 0 then @args[0].path.asFileHandle() else "Untitled".asFileHandle()
@currfile.dirty = false
@datarea = @find "datarea"
@preview = @find "preview"
@btctn = @find "btn-container"
@previewSVG = undefined
$(@preview).append @btctn
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ace.config.set("basePath", "scripts/ace")
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@editor = ace.edit @datarea
@editor.setOptions {
enableBasicAutocompletion: true,
enableLiveAutocompletion: true,
fontSize: "11pt"
}
@editor.getSession().setUseWrapMode true
@editor.session.setMode "ace/mode/dot"
@editor.setTheme "ace/theme/monokai"
@editor.on "input", () =>
if @editormux
@editormux = false
return false
if not @currfile.dirty
@currfile.dirty = true
if not @currfile.basename
@editormux = true
@editor.setValue VizApp.dummydot
@renderSVG false
@editor.container.addEventListener "keydown", (e) =>
@renderSVG true if e.keyCode is 13
, true
@bindKey "CTRL-R", () => @renderSVG false
@bindKey "ALT-G", () => @export "SVG"
@bindKey "ALT-P", () => @export "PNG"
@bindKey "ALT-N", () => @actionFile "#{@name}-New"
@bindKey "ALT-O", () => @actionFile "#{@name}-Open"
@bindKey "CTRL-S", () => @actionFile "#{@name}-Save"
@bindKey "ALT-W", () => @actionFile "#{@name}-Saveas"
@on "hboxchange", () =>
@editor.resize()
@calibrate()
@on "focus", () => @editor.focus()
(@find "btn-zoomin").onbtclick = (e) =>
@pan.zoomIn() if @pan
(@find "btn-zoomout").onbtclick = (e) =>
@pan.zoomOut() if @pan
(@find "btn-reset").onbtclick = (e) =>
@pan.resetZoom() if @pan
@open @currfile
menu: () ->
menu = [{
text: "__(File)",
nodes: [
{ text: "__(New)", dataid: "#{@name}-New", shortcut: "A-N" },
{ text: "__(Open)", dataid: "#{@name}-Open", shortcut: "A-O" },
{ text: "__(Save)", dataid: "#{@name}-Save", shortcut: "C-S" },
{ text: "__(Save as)",dataid: "#{@name}-Saveas" , shortcut: "A-W" },
{ text: "__(Render)", dataid: "#{@name}-Render", shortcut: "C-R" },
{
text: "__(Export as)",
nodes: [
{ text: "SVG", shortcut: "A-G" },
{ text: "PNG", shortcut: "A-P" }
],
onchildselect: (e) => @export e.data.item.data.text
},
],
onchildselect: (e) => @actionFile e.data.item.data.dataid
}]
menu
open: (file) ->
return if file.path is "Untitled"
file.dirty = false
file.read().then (d) =>
@currfile = file
@editormux = true
@currfile.dirty = false
@editor.setValue d
@scheme.apptitle = "#{@currfile.basename}"
@renderSVG false
.catch (e) => @error e.toString(), e
save: (file) ->
file.write "text/plain"
.then (d) =>
file.dirty = false
file.text = file.basename
@scheme.apptitle = "#{@currfile.basename}"
.catch (e) => @error e.toString(), e
actionFile: (e) ->
saveas = () =>
@openDialog "FileDialog",{title: __("Save as"), file: @currfile }
.then (d) =>
@currfile.setPath "#{d.file.path}/#{d.name}"
@save @currfile
.catch (e) => @error e.toString(), e
switch e
when "#{@name}-Open"
@openDialog "FileDialog", { title: __("Open file")}
.then ( d, f ) =>
@open d.file.path.asFileHandle()
.catch (e) => @error e.toString(), e
when "#{@name}-Save"
@currfile.cache = @editor.getValue()
return @save @currfile if @currfile.basename
saveas()
when "#{@name}-Saveas"
@currfile.cache = @editor.getValue()
saveas()
when "#{@name}-Render"
@renderSVG false
when "#{@name}-New"
@currfile = "Untitled".asFileHandle()
@currfile.cache = ""
@currfile.dirty = false
@editormux = true
@editor.setValue("")
export: (t) ->
@openDialog "FileDialog", {title: __("Export as"), file: @currfile }
.then (d) =>
fp = "#{d.file.path}/#{d.name}".asFileHandle()
viz = new Viz()
text = @editor.getValue()
switch t
when "SVG"
viz.renderSVGElement(text)
.then (svg) =>
serializer = new XMLSerializer()
fp.cache = serializer.serializeToString(svg)
fp.write "text/plain"
.then (r) =>
@notify __("File exported to SVG")
.catch (e) => @error __("Cannot export to {0}: {1}", t, e.toString()), e
.catch (error) =>
@error error.toString(), error
when "PNG"
# toDataURL("image/png")
viz.renderImageElement(text)
.then (img) =>
xhr = new XMLHttpRequest()
xhr.responseType = 'blob'
xhr.onload = () =>
blob = xhr.response
reader = new FileReader()
reader.onload = () =>
base64data = reader.result
fp.cache = base64data
fp.write "base64"
.then (r) =>
@notify __("File exported to PNG")
.catch (e) => @error __("Cannot export to {0}: {1}", t, e.toString()), e
reader.readAsDataURL(blob)
xhr.open('GET', img.src)
xhr.send()
.catch (error) =>
@error error.toString(), error
.catch (e) => @error e.toString(), e
renderSVG: (silent) ->
id = Math.floor(Math.random() * 100000) + 1
text = @editor.getValue()
viz = new Viz()
viz.renderSVGElement(text)
.then (element) =>
return if $(element).prop("tagName").toUpperCase() is "HTML"
$(@previewSVG).remove() if @previewSVG
@previewSVG = element
$(@preview).append element
@calibrate()
@pan = svgPanZoom element, {
zoomEnabled: true,
controlIconsEnabled: false,
fit: true,
center: true,
minZoom: 0.1
}
.catch (error) =>
@error error.toString(), error
calibrate: () ->
svg = ($ @preview).children("svg")[0]
if svg
prs = [$(@preview).width(), $(@preview).height()]
$(svg).attr "width", prs[0] + "px"
$(svg).attr "height", prs[1] + "px"
cleanup: (evt) ->
return unless @currfile
return unless @currfile.dirty
evt.preventDefault()
@ask {title: __("Quit"), text: __("Quit without saving ?") }
.then (d) =>
if d
@currfile.dirty = false
@quit()
VizApp.dummydot = """
digraph D {
A [shape=diamond]
B [shape=box]
C [shape=circle]
A -> B [style=dashed, color=grey]
A -> C [color="black:invis:black"]
A -> D [penwidth=5, arrowhead=none]
}
"""
VizApp.dependencies = [
"os://scripts/ace/ace.js"
]
this.OS.register "VizApp", VizApp