2018-09-29 11:19:26 +02:00
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# Copyright 2017-2018 Xuan Sang LE <xsang.le AT gmail DOT com>
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# AnTOS Web desktop is is licensed under the GNU General Public
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# License v3.0, see the LICENCE file for more information
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# This program is free software: you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation, either version 3 of
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# the License, or (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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# You should have received a copy of the GNU General Public License
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#along with this program. If not, see https://www.gnu.org/licenses/.
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class GraphEditor extends this.OS.GUI.BaseApplication
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constructor: ( args ) ->
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super "GraphEditor", args
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main: () ->
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me = @
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#mermaid.initialize { startOnLoad: false }
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mermaid.initialize {
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theme: 'forest'
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}
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@currfile = if @args and @args.length > 0 then @args[0].asFileHandler() else "Untitled".asFileHandler()
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@currfile.dirty = false
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@datarea = @find "datarea"
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@preview = @find "preview"
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@btctn = @find "btn-container"
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@.editor = ace.edit @datarea
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@.editor.setOptions {
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enableBasicAutocompletion: true,
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enableLiveAutocompletion: true,
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fontSize: "10pt"
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}
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#@.editor.completers.push { getCompletions: ( editor, session, pos, prefix, callback ) -> }
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@editor.getSession().setUseWrapMode true
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@editor.session.setMode "ace/mode/text"
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@editor.setTheme "ace/theme/monokai"
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@editor.on "input", () ->
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if me.editormux
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me.editormux = false
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return false
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if not me.currfile.dirty
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me.currfile.dirty = true
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if not me.currfile.basename
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me.editormux = true
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me.editor.setValue GraphEditor.dummymermaid
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me.renderSVG false
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@editor.container.addEventListener "keydown", (e) ->
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me.renderSVG true if e.keyCode is 13
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, true
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@bindKey "CTRL-R", () -> me.renderSVG false
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@bindKey "ALT-G", () -> me.export "SVG"
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@bindKey "ALT-P", () -> me.export "PNG"
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@bindKey "ALT-N", () -> me.actionFile "#{me.name}-New"
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@bindKey "ALT-O", () -> me.actionFile "#{me.name}-Open"
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@bindKey "CTRL-S", () -> me.actionFile "#{me.name}-Save"
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@bindKey "ALT-W", () -> me.actionFile "#{me.name}-Saveas"
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@bindKey "CTRL-M", () -> me.svgToCanvas(()->)
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@on "hboxchange", () ->
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me.editor.resize()
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me.calibrate()
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@on "focus", () -> me.editor.focus()
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(@find "btn-zoomin").set "onbtclick", (e) ->
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me.pan.zoomIn() if me.pan
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(@find "btn-zoomout").set "onbtclick", (e) ->
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me.pan.zoomOut() if me.pan
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(@find "btn-reset").set "onbtclick", (e) ->
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me.pan.resetZoom() if me.pan
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@open @currfile
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menu: () ->
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me = @
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menu = [{
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text: "__(File)",
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child: [
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{ text: "__(New)", dataid: "#{@name}-New", shortcut: "A-N" },
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{ text: "__(Open)", dataid: "#{@name}-Open", shortcut: "A-O" },
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{ text: "__(Save)", dataid: "#{@name}-Save", shortcut: "C-S" },
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{ text: "__(Save as)",dataid: "#{@name}-Saveas" , shortcut: "A-W" },
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{ text: "__(Render)", dataid: "#{@name}-Render", shortcut: "C-R" },
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{
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text: "__(Export as)",
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child: [
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{ text: "SVG", shortcut: "A-G" },
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{ text: "PNG", shortcut: "A-P" }
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],
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onmenuselect: (e) -> me.export e.item.data.text
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},
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],
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onmenuselect: (e) -> me.actionFile e.item.data.dataid
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}]
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menu
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open: (file) ->
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return if file.path is "Untitled"
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me = @
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file.dirty = false
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file.read (d) ->
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me.currfile = file
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me.editormux = true
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me.currfile.dirty = false
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me.editor.setValue d
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me.scheme.set "apptitle", "#{me.currfile.basename}"
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me.renderSVG false
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save: (file) ->
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me = @
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file.write "text/plain", (d) ->
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return me.error __("Error saving file {0}", file.basename) if d.error
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file.dirty = false
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file.text = file.basename
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me.scheme.set "apptitle", "#{me.currfile.basename}"
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actionFile: (e) ->
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me = @
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saveas = () ->
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me.openDialog "FileDiaLog", (d, n) ->
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me.currfile.setPath "#{d}/#{n}"
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me.save me.currfile
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, __("Save as"), { file: me.currfile }
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switch e
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when "#{@name}-Open"
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@openDialog "FileDiaLog", ( d, f ) ->
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me.open "#{d}/#{f}".asFileHandler()
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, __("Open file")
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when "#{@name}-Save"
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@currfile.cache = @editor.getValue()
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return @save @currfile if @currfile.basename
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saveas()
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when "#{@name}-Saveas"
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@currfile.cache = @editor.getValue()
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saveas()
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when "#{@name}-Render"
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me.renderSVG false
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when "#{@name}-New"
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@currfile = "Untitled".asFileHandler()
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@currfile.cache = ""
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@currfile.dirty = false
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@editormux = true
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@editor.setValue("")
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export: (t) ->
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me = @
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me.openDialog "FileDiaLog", (d, n) ->
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fp = "#{d}/#{n}".asFileHandler()
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try
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switch t
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when "SVG"
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fp.cache = me.svgtext()
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fp.write "text/plain", (r) ->
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return me.error __("Cannot export to {0}: {1}", t, r.error) if r.error
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me.notify __("File exported")
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when "PNG"
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# toDataURL("image/png")
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me.svgToCanvas (canvas) ->
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try
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fp.cache = canvas.toDataURL "image/png"
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fp.write "base64", (r) ->
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return me.error __("Cannot export to {0}: {1}", t, r.error) if r.error
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me.notify __("File exported")
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catch e
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me.error __("Cannot export to PNG in this browser: {0}", e.message)
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catch e
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me.error __("Cannot export: {0}", e.message)
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, __("Export as"), { file: me.currfile }
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renderSVG: (silent) ->
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me = @
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id = Math.floor(Math.random() * 100000) + 1
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#if silent
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# mermaid.parseError = (e, h) ->
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#else
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# mermaid.parseError = (e, h) ->
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# me.error e
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text = @editor.getValue()
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try
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mermaid.parse text
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catch e
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me.error __("Syntax error: {0}", e.str) if not silent
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return
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mermaid.render "c#{id}", text, (text, f) ->
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me.preview.innerHTML = text
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$(me.preview).append me.btctn
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me.calibrate()
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svg = $(me.preview).children("svg")[0]
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$(svg).attr("style", "")
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me.pan = svgPanZoom svg, {
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zoomEnabled: true,
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controlIconsEnabled: false,
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fit: true,
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center: true,
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minZoom: 0.1
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}
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#rd $($.parseHTML text).
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, me.preview
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svgtext: () ->
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svg = $(@preview).children("svg")[0]
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$("g.label",svg).each (i) ->
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$(@)
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.css("font-family","Ubuntu")
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.css("font-size", "13px")
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$("text", svg).each (j) ->
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$(@)
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.css("font-family","Ubuntu")
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.css("font-size", "13px")
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serializer = new XMLSerializer()
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return serializer.serializeToString(svg)
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svgToCanvas: (f) ->
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me = @
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img = new Image()
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svgStr = @svgtext()
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DOMURL = window.URL || window.webkitURL || window
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svgBlob = new Blob [svgStr], { type: 'image/svg+xml;charset=utf-8' }
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url = DOMURL.createObjectURL svgBlob
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img.onload = () ->
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canvas = me.find "offscreen"
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canvas.width = img.width
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canvas.height = img.height
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canvas.getContext("2d").drawImage img, 0, 0, img.width, img.height
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f(canvas)
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img.src = url
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calibrate: () ->
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svg = ($ @preview).children("svg")[0]
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if svg
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prs = [$(@preview).width(), $(@preview).height()]
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$(svg).attr "width", prs[0] + "px"
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$(svg).attr "height", prs[1] + "px"
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cleanup: (evt) ->
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return unless @currfile
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return unless @currfile.dirty
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me = @
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evt.preventDefault()
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@.openDialog "YesNoDialog", (d) ->
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if d
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me.currfile.dirty = false
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me.quit()
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, __("Quit"), { text: __("Quit without saving ?") }
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GraphEditor.dummymermaid = """
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graph TD;
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A-->B;
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A-->C;
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B-->D;
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C-->D;
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"""
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GraphEditor.dependencies = [
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2020-05-23 20:09:01 +02:00
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"os://scripts/ace/ace.js"
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2018-09-29 11:19:26 +02:00
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]
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this.OS.register "GraphEditor", GraphEditor
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