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Copy pathui_terminal.go
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Copy pathui_terminal.go
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274 lines (242 loc) · 6.8 KB
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package main
import (
"fmt"
"os"
"path/filepath"
"strings"
"github.com/gdamore/tcell/v2"
"github.com/rivo/tview"
)
var UIactive = true
var AppStarted = false
var UIapp *tview.Application
var txtMatchs *tview.TextView
var txtStdout *tview.TextView
var txtStderr *tview.TextView
var UIselectedConfigPath string
var UItmpConfigPath string
var currentMainWindowSelector int = 0
var currentConfigWindowSelector int = 0
func InitUI() {
UIapp = tview.NewApplication()
txtMatchs = tview.NewTextView()
txtStdout = tview.NewTextView()
txtStderr = tview.NewTextView()
}
// MainWindow display application UI
func MainWindow() {
currentMainWindowSelector = 1
/*
* TEXTVIEW : Windows app name
*/
txtAppTitle := tview.NewTextView().
SetDynamicColors(true).
SetText(RenderFastfinderVersion()).
SetTextAlign(tview.AlignCenter)
/*
* TEXTVIEW : selection box helper
*/
txtInfoTitle := tview.NewTextView().
SetDynamicColors(true).
SetText("Press tab to navigate between log panels | Up and Down arrow to scroll text").
SetTextAlign(tview.AlignCenter)
/*
* TEXTVIEW : File matchs
*/
txtMatchs.
SetDynamicColors(true).
SetText("[yellow]File match:\n").
SetRegions(true).
SetChangedFunc(func() {
UIapp.Draw()
})
/*
* TEXTVIEW : Program execution Output
*/
txtStdout.
SetDynamicColors(true).
SetText("[grey]Init and execution informations:\n").
SetRegions(true).
SetChangedFunc(func() {
UIapp.Draw()
})
/*
* TEXTVIEW : execution errors
*/
txtStderr.
SetDynamicColors(true).
SetText("[red]Access and scan errors:\n").
SetRegions(true).
SetChangedFunc(func() {
UIapp.Draw()
})
/*
* Building window
*/
grid := tview.NewGrid().SetRows(1, -5, -2, 1).SetColumns(0, 0).SetBorders(true)
grid.AddItem(txtAppTitle, 0, 0, 1, 2, 0, 0, false)
grid.AddItem(txtMatchs, 1, 1, 1, 1, 0, 0, false)
grid.AddItem(txtStderr, 1, 0, 1, 1, 0, 0, false)
grid.AddItem(txtStdout, 2, 0, 1, 2, 0, 0, false)
grid.AddItem(txtInfoTitle, 3, 0, 1, 2, 0, 0, false)
grid.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
if event.Key() == tcell.KeyTab {
switch currentMainWindowSelector {
case 1:
currentMainWindowSelector++
UIapp.SetFocus(txtStdout)
txtInfoTitle.SetText("Selected box: Informations messages")
case 2:
currentMainWindowSelector++
UIapp.SetFocus(txtStderr)
txtInfoTitle.SetText("Selected box: Error messages")
case 3:
currentMainWindowSelector = 1
UIapp.SetFocus(txtMatchs)
txtInfoTitle.SetText("Selected box: Matchs messages")
}
return nil
}
return event
})
AppStarted = true
if err := UIapp.SetRoot(grid, true).SetFocus(txtMatchs).Run(); err != nil {
UIapp.Stop()
AppStarted = false
}
}
// OpenFileDialog show a navigable tree view of the current directory.
func OpenFileDialog() {
currentConfigWindowSelector = 1
/*
* TEXTVIEW : Dialog title
*/
lblDialog := tview.NewTextView().SetTextAlign(tview.AlignCenter).SetText("Fastfinder : Please select a yaml configuration file")
/*
* TEXTVIEW : selection box helper
*/
txtInfoTitle := tview.NewTextView().
SetDynamicColors(true).
SetText("Press tab to navigate between left and right pane | Up and Down arrow to scroll in file preview").
SetTextAlign(tview.AlignCenter)
/*
* TEXTVIEW : File preview
*/
textPreview := tview.NewTextView().
SetDynamicColors(true).
SetRegions(true).
SetChangedFunc(func() {
UIapp.Draw()
})
/*
* TREEVIEW : File and directory navigation
*/
rootDir, _ := os.Getwd()
root := tview.NewTreeNode(rootDir).
SetColor(tcell.ColorRed)
treeView := tview.NewTreeView().
SetRoot(root).
SetCurrentNode(root)
// function definition for adding files and directories to the treeview
add := func(target *tview.TreeNode, p string) {
files, err := os.ReadDir(p)
if err != nil {
UIapp.Stop()
}
if filepath.Dir(p) != p {
parentNode := tview.NewTreeNode("../ (" + filepath.Dir(p) + ")").SetReference(filepath.Dir(p)).SetSelectable(true).SetColor(tcell.ColorRed)
target.AddChild(parentNode)
}
for _, file := range files {
node := tview.NewTreeNode(file.Name()).
SetReference(filepath.Join(p, file.Name())).
SetSelectable(file.IsDir() || !file.IsDir() && (strings.HasSuffix(strings.ToLower(file.Name()), ".yml") || strings.HasSuffix(strings.ToLower(file.Name()), ".yaml")))
if file.IsDir() {
node.SetColor(tcell.ColorWhite)
} else if !file.IsDir() && (strings.HasSuffix(strings.ToLower(file.Name()), ".yml") || strings.HasSuffix(strings.ToLower(file.Name()), ".yaml")) {
node.SetColor(tcell.ColorGreen)
} else {
node.SetColor(tcell.ColorGrey)
}
target.AddChild(node)
}
}
// Add the current directory as the root node
add(root, rootDir)
// If a file or directory was selected, open it.
treeView.SetSelectedFunc(func(node *tview.TreeNode) {
reference := node.GetReference()
p := reference.(string)
file, err := os.Open(p)
if err != nil {
return
}
fileInfo, err := file.Stat()
if err != nil {
return
}
if fileInfo.IsDir() {
// directory tree drawing
children := node.GetChildren()
if len(children) == 0 {
// Load and show files in this directory.
add(node, p)
} else {
// Collapse if visible, expand if collapsed.
node.SetExpanded(!node.IsExpanded())
}
} else {
// file preview & selection
if strings.HasSuffix(strings.ToLower(p), ".yml") || strings.HasSuffix(strings.ToLower(p), ".yaml") {
if UItmpConfigPath == p {
UIselectedConfigPath = p
UIapp.Stop()
}
UItmpConfigPath = p
d, err := os.ReadFile(p)
if err != nil {
return
}
textPreview.SetText("")
fmt.Fprintf(textPreview, "[yellow]== Press Enter again to select this configuration file ==[white]\n\n%s", d)
textPreview.ScrollTo(0, 0)
}
}
})
/*
* Building window
*/
grid := tview.NewGrid().SetRows(1, -1, 1).SetColumns(-3, -2).SetBorders(true)
grid.AddItem(lblDialog, 0, 0, 1, 2, 0, 0, false)
grid.AddItem(treeView, 1, 0, 1, 1, 0, 0, true)
grid.AddItem(textPreview, 1, 1, 1, 1, 0, 0, false)
grid.AddItem(txtInfoTitle, 2, 0, 1, 2, 0, 0, false)
grid.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
if event.Key() == tcell.KeyTab {
switch currentConfigWindowSelector {
case 1:
currentConfigWindowSelector++
UIapp.SetFocus(textPreview)
txtInfoTitle.SetText("Selected box: Config file preview")
case 2:
currentConfigWindowSelector = 1
UIapp.SetFocus(treeView)
txtInfoTitle.SetText("Selected box: File browser")
}
return nil
}
if event.Key() == tcell.KeyEnter {
if currentConfigWindowSelector == 2 {
currentConfigWindowSelector = 1
UIapp.SetFocus(treeView)
txtInfoTitle.SetText("Selected box: File browser")
}
}
return event
})
AppStarted = true
if err := UIapp.SetRoot(grid, true).SetFocus(treeView).Run(); err != nil {
UIapp.Stop()
AppStarted = false
}
}