Initial Commit

Author: simpleittools

.gitignore

@@ -0,0 +1,17 @@
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+.idea

Makefile

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+BINARY_NAME=MarkDown.exe
+APP_NAME=MarkDown
+VERSION=1.0.0
+
+## build: build binary and package app
+build:
+	rm -rf ${BINARY_NAME}
+	rm -f fyne-md
+	fyne package -appVersion ${VERSION} -name ${APP_NAME} --appID MarkDown1.0 -release
+
+## run: builds and runs the application
+run:
+	go run .
+
+## clean: runs go clean and deletes binaries
+clean:
+	@echo "Cleaning..."
+	@go clean
+	@rm -rf ${BINARY_NAME}
+	@echo "Cleaned!"
+
+## test: runs all tests
+test:
+	go test -v ./...

go.mod

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+module fynemd
+
+go 1.19
+
+require fyne.io/fyne/v2 v2.3.0
+
+require (
+	fyne.io/systray v1.10.1-0.20221115204952-d16a6177e6f1 // indirect
+	github.com/benoitkugler/textlayout v0.3.0 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/fredbi/uri v0.1.0 // indirect
+	github.com/fsnotify/fsnotify v1.5.4 // indirect
+	github.com/fyne-io/gl-js v0.0.0-20220119005834-d2da28d9ccfe // indirect
+	github.com/fyne-io/glfw-js v0.0.0-20220120001248-ee7290d23504 // indirect
+	github.com/fyne-io/image v0.0.0-20220602074514-4956b0afb3d2 // indirect
+	github.com/go-gl/gl v0.0.0-20211210172815-726fda9656d6 // indirect
+	github.com/go-gl/glfw/v3.3/glfw v0.0.0-20221017161538-93cebf72946b // indirect
+	github.com/go-text/typesetting v0.0.0-20221212183139-1eb938670a1f // indirect
+	github.com/godbus/dbus/v5 v5.1.0 // indirect
+	github.com/goki/freetype v0.0.0-20220119013949-7a161fd3728c // indirect
+	github.com/gopherjs/gopherjs v1.17.2 // indirect
+	github.com/jsummers/gobmp v0.0.0-20151104160322-e2ba15ffa76e // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/srwiley/oksvg v0.0.0-20220731023508-a61f04f16b76 // indirect
+	github.com/srwiley/rasterx v0.0.0-20210519020934-456a8d69b780 // indirect
+	github.com/stretchr/testify v1.8.0 // indirect
+	github.com/tevino/abool v1.2.0 // indirect
+	github.com/yuin/goldmark v1.4.0 // indirect
+	golang.org/x/image v0.0.0-20220601225756-64ec528b34cd // indirect
+	golang.org/x/mobile v0.0.0-20211207041440-4e6c2922fdee // indirect
+	golang.org/x/net v0.0.0-20211118161319-6a13c67c3ce4 // indirect
+	golang.org/x/sys v0.0.0-20220412211240-33da011f77ad // indirect
+	golang.org/x/text v0.3.7 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+	honnef.co/go/js/dom v0.0.0-20210725211120-f030747120f2 // indirect
+)

go.sum

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+package main
+
+import (
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/app"
+	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/dialog"
+	"fyne.io/fyne/v2/storage"
+	"fyne.io/fyne/v2/widget"
+	"io/ioutil"
+	"strings"
+)
+
+type config struct {
+	EditWidget    *widget.Entry
+	PreviewWidget *widget.RichText
+	CurrentFile   fyne.URI
+	SaveMenuItem  *fyne.MenuItem
+}
+
+var cfg config
+
+func main() {
+	// create a fyne app
+	a := app.New()
+
+	// use custom theme
+	a.Settings().SetTheme(&myTheme{})
+
+	// create a window for the app
+	win := a.NewWindow("Markdown")
+
+	// get the user interface
+	edit, preview := cfg.makeUI()
+	cfg.createMenuItems(win)
+
+	// set the content of the window
+	win.SetContent(container.NewHSplit(edit, preview))
+
+	// show window and run app
+	win.Resize(fyne.Size{Width: 800, Height: 500})
+	win.CenterOnScreen()
+	win.ShowAndRun()
+}
+
+// makeUI will create the user interface with the entry and rich text widgets
+func (app *config) makeUI() (*widget.Entry, *widget.RichText) {
+	// add a new multi line input widget
+	edit := widget.NewMultiLineEntry()
+
+	// create a preview pane that allows for Rich Text generated by Markdown
+	preview := widget.NewRichTextFromMarkdown("")
+
+	app.EditWidget = edit
+	app.PreviewWidget = preview
+
+	// when editing with Markdown in the Edit window, automatically show the output in the Preview pane as Rich Text
+	edit.OnChanged = preview.ParseMarkdown
+
+	return edit, preview
+}
+
+// createMenuItems will create the dropdown menus
+func (app *config) createMenuItems(win fyne.Window) {
+	openMenuItem := fyne.NewMenuItem("Open...", app.openFunc(win))
+
+	saveMenuItem := fyne.NewMenuItem("Save", app.saveFunc(win))
+	app.SaveMenuItem = saveMenuItem
+	app.SaveMenuItem.Disabled = true
+
+	saveAsMenuItem := fyne.NewMenuItem("Save As...", app.saveAsFunc(win))
+
+	fileMenu := fyne.NewMenu("File", openMenuItem, saveMenuItem, saveAsMenuItem)
+
+	menu := fyne.NewMainMenu(fileMenu)
+
+	win.SetMainMenu(menu)
+
+}
+
+var filter = storage.NewExtensionFileFilter([]string{".md", ".MD"})
+
+func (app *config) saveFunc(win fyne.Window) func() {
+	return func() {
+		if app.CurrentFile != nil {
+			write, err := storage.Writer(app.CurrentFile)
+			if err != nil {
+				dialog.ShowError(err, win)
+				return
+			}
+			write.Write([]byte(app.EditWidget.Text))
+			defer write.Close()
+		}
+	}
+}
+
+func (app *config) saveAsFunc(win fyne.Window) func() {
+	return func() {
+		saveDialog := dialog.NewFileSave(func(write fyne.URIWriteCloser, err error) {
+			if err != nil {
+				dialog.ShowError(err, win)
+				return
+			}
+
+			if write == nil {
+				// user cancelled
+				return
+			}
+
+			if !strings.HasSuffix(strings.ToLower(write.URI().String()), ".md") {
+				dialog.ShowInformation("Error", "Please name your file with a .md extension!", win)
+				return
+			}
+
+			// save the file
+			write.Write([]byte(app.EditWidget.Text))
+			app.CurrentFile = write.URI()
+
+			defer write.Close()
+
+			// update window title
+			win.SetTitle(win.Title() + " - " + write.URI().Name())
+			app.SaveMenuItem.Disabled = false
+		}, win)
+		saveDialog.SetFileName("untitled.md")
+		saveDialog.SetFilter(filter)
+		saveDialog.Show()
+	}
+}
+
+func (app *config) openFunc(win fyne.Window) func() {
+	return func() {
+		openDialog := dialog.NewFileOpen(func(read fyne.URIReadCloser, err error) {
+			if err != nil {
+				dialog.ShowError(err, win)
+				return
+			}
+
+			if read == nil {
+				return
+			}
+
+			defer read.Close()
+
+			data, err := ioutil.ReadAll(read)
+
+			if err != nil {
+				dialog.ShowError(err, win)
+				return
+			}
+
+			app.EditWidget.SetText(string(data))
+
+			app.CurrentFile = read.URI()
+			win.SetTitle(win.Title() + " - " + read.URI().Name())
+			app.SaveMenuItem.Disabled = false
+
+		}, win)
+
+		openDialog.SetFilter(filter)
+		openDialog.Show()
+	}
+}

icon.png

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+package main
+
+import (
+	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/test"
+	"testing"
+)
+
+func Test_makeUI(t *testing.T) {
+	var testCfg config
+
+	edit, preview := testCfg.makeUI()
+
+	test.Type(edit, "Hello")
+
+	if preview.String() != "Hello" {
+		t.Errorf("Failed -- did not find expected value in preview")
+	}
+}
+
+func Test_RunApp(t *testing.T) {
+	var testCfg config
+
+	testApp := test.NewApp()
+
+	testWin := testApp.NewWindow("Test MarkDown")
+
+	edit, preview := testCfg.makeUI()
+
+	testCfg.createMenuItems(testWin)
+
+	testWin.SetContent(container.NewHSplit(edit, preview))
+
+	testApp.Run()
+
+	test.Type(edit, "Some Text")
+
+	if preview.String() != "Some Text" {
+		t.Errorf("Test Failed")
+	}
+
+}

main.go

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+package main
+
+import (
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/theme"
+	"image/color"
+)
+
+type myTheme struct{}
+
+func (m *myTheme) Color(n fyne.ThemeColorName, v fyne.ThemeVariant) color.Color {
+	switch n {
+	case theme.ColorNameBackground:
+		if v == theme.VariantLight {
+			return &color.NRGBA{R: 0xF0, G: 0xE9, B: 0x9B, A: 0xFF}
+		}
+		return &color.NRGBA{R: 0x37, G: 0x2B, B: 0x09, A: 0xFF}
+	case theme.ColorNameForeground:
+		if v == theme.VariantLight {
+			return &color.NRGBA{R: 0x46, G: 0x3A, B: 0x11, A: 0xFF}
+		}
+		return &color.NRGBA{R: 0xF0, G: 0xE9, B: 0x9B, A: 0xFF}
+	case theme.ColorNamePrimary:
+		return &color.NRGBA{R: 0xff, G: 0xff, B: 0xff, A: 0xAA}
+	case theme.ColorNameFocus:
+		return &color.NRGBA{R: 0xff, G: 0xff, B: 0xff, A: 0x66}
+	case theme.ColorNameInputBackground:
+		// removes background from entry
+		return color.Transparent
+		//return &color.RGBA{R: 198, G: 210, B: 16, A: 75}
+	}
+
+	return theme.DefaultTheme().Color(n, v)
+}
+
+func (m *myTheme) Font(s fyne.TextStyle) fyne.Resource {
+	return theme.DefaultTheme().Font(s)
+}
+
+func (m *myTheme) Icon(n fyne.ThemeIconName) fyne.Resource {
+	return theme.DefaultTheme().Icon(n)
+}
+
+func (m *myTheme) Size(n fyne.ThemeSizeName) float32 {
+	if n == theme.SizeNameText {
+		return theme.DefaultTheme().Size(n) + 2
+	}
+
+	return theme.DefaultTheme().Size(n)
+}