antosdk-apps/GraphEditor/coffees/main.coffee

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# Copyright 2017-2018 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/.
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class GraphEditor extends this.OS.application.BaseApplication
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constructor: ( args ) ->
super "GraphEditor", args
main: () ->
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#mermaid.initialize { startOnLoad: false }
mermaid.initialize {
theme: 'forest'
}
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@currfile = if @args and @args.length > 0 then @args[0].path.asFileHandle() else "Untitled".asFileHandle()
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@currfile.dirty = false
@datarea = @find "datarea"
@preview = @find "preview"
@btctn = @find "btn-container"
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ace.config.set("basePath", "#{window.location.pathname}/scripts/ace")
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@editor = ace.edit @datarea
@editor.setOptions {
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enableBasicAutocompletion: true,
enableLiveAutocompletion: true,
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fontSize: "11pt"
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}
@editor.getSession().setUseWrapMode true
@editor.session.setMode "ace/mode/text"
@editor.setTheme "ace/theme/monokai"
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@editor.on "input", () =>
if @editormux
@editormux = false
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return false
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if not @currfile.dirty
@currfile.dirty = true
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if not @currfile.basename
@editormux = true
@editor.setValue GraphEditor.dummymermaid
@renderSVG false
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@editor.container.addEventListener "keydown", (e) =>
@renderSVG true if e.keyCode is 13
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, true
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@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"
@bindKey "CTRL-M", () => @svgToCanvas(()->)
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@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
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@open @currfile
menu: () ->
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menu = [{
text: "__(File)",
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nodes: [
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{ 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)",
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nodes: [
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{ text: "SVG", shortcut: "A-G" },
{ text: "PNG", shortcut: "A-P" }
],
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onchildselect: (e) => @export e.data.item.data.text
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},
],
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onchildselect: (e) => @actionFile e.data.item.data.dataid
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}]
menu
open: (file) ->
return if file.path is "Untitled"
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file.dirty = false
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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
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save: (file) ->
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file.write "text/plain"
.then (d) =>
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file.dirty = false
file.text = file.basename
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@scheme.apptitle = "#{@currfile.basename}"
.catch (e) => @error e.toString(), e
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actionFile: (e) ->
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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
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switch e
when "#{@name}-Open"
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@openDialog "FileDialog", { title: __("Open file")}
.then ( d, f ) =>
@open d.file.path.asFileHandle()
.catch (e) => @error e.toString(), e
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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"
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@renderSVG false
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when "#{@name}-New"
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@currfile = "Untitled".asFileHandle()
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@currfile.cache = ""
@currfile.dirty = false
@editormux = true
@editor.setValue("")
export: (t) ->
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@openDialog "FileDialog", {title: __("Export as"), file: @currfile }
.then (d) =>
fp = "#{d.file.path}/#{d.name}".asFileHandle()
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try
switch t
when "SVG"
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fp.cache = @svgtext()
fp.write "text/plain"
.then (r) =>
@notify __("File exported")
.catch (e) => @error __("Cannot export to {0}: {1}", t, e.toString()), e
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when "PNG"
# toDataURL("image/png")
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@svgToCanvas (canvas) =>
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try
fp.cache = canvas.toDataURL "image/png"
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fp.write "base64"
.then (r) =>
@notify __("File exported")
.catch (e) => @error __("Cannot export to {0}: {1}", t, e.toString()), e
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catch e
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@error __("Cannot export to PNG in this browser: {0}", e.toString()), e
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catch e
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@error __("Cannot export: {0}", e.message), e
.catch (e) => @error e.toString(), e
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renderSVG: (silent) ->
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id = Math.floor(Math.random() * 100000) + 1
#if silent
# mermaid.parseError = (e, h) ->
#else
# mermaid.parseError = (e, h) ->
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# @error e
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text = @editor.getValue()
try
mermaid.parse text
catch e
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@error __("Syntax error: {0}", e.toString()), e if not silent
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return
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mermaid.render "c#{id}", text, (text, f) =>
@preview.innerHTML = text
$(@preview).append @btctn
@calibrate()
svg = $(@preview).children("svg")[0]
#$(svg).attr("style", "")
@pan = svgPanZoom svg, {
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zoomEnabled: true,
controlIconsEnabled: false,
fit: true,
center: true,
minZoom: 0.1
}
#rd $($.parseHTML text).
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, @preview
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svgtext: () ->
svg = $(@preview).children("svg")[0]
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$("g.label",svg).each (i) =>
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$(@)
.css("font-family","Ubuntu")
.css("font-size", "13px")
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$("text", svg).each (j) =>
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$(@)
.css("font-family","Ubuntu")
.css("font-size", "13px")
serializer = new XMLSerializer()
return serializer.serializeToString(svg)
svgToCanvas: (f) ->
img = new Image()
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img.crossOrigin="anonymous"
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svgStr = @svgtext()
DOMURL = window.URL || window.webkitURL || window
svgBlob = new Blob [svgStr], { type: 'image/svg+xml;charset=utf-8' }
url = DOMURL.createObjectURL svgBlob
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img.onload = () =>
canvas = @find "offscreen"
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canvas.width = img.width
canvas.height = img.height
canvas.getContext("2d").drawImage img, 0, 0, img.width, img.height
f(canvas)
img.src = url
calibrate: () ->
svg = ($ @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()
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@ask {title: __("Quit"), text: __("Quit without saving ?") }
.then (d) =>
if d
@currfile.dirty = false
@quit()
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GraphEditor.dummymermaid = """
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classDiagram
Class01 <|-- AveryLongClass : Cool
Class03 *-- Class04
Class05 o-- Class06
Class07 .. Class08
Class09 --> C2 : Where am i?
Class09 --* C3
Class09 --|> Class07
Class07 : equals()
Class07 : Object[] elementData
Class01 : size()
Class01 : int chimp
Class01 : int gorilla
Class08 <--> C2: Cool label
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"""
GraphEditor.dependencies = [
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"os://scripts/ace/ace.js"
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]
this.OS.register "GraphEditor", GraphEditor